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Arturo Corro 2022-06-18 15:10:35 -05:00
parent 5580b6fda8
commit 2eeedbe232
182 changed files with 39598 additions and 904 deletions
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1833
Dosificador_LCD2004_4buttons/Dosificador_LCD2004_4buttons.ino
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// ---------------------------------------------------------------------------
// Created by Florian Fida on 20/01/12
// Copyright 2012 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
// http://creativecommons.org/licenses/by-sa/3.0/
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
// ---------------------------------------------------------------------------
// fio_shiftOut1 functions are based on Shif1 protocol developed by Roman Black
// (http://www.romanblack.com/shift1.htm)
//
// Thread Safe: No
// Extendable: Yes
//
// @file FastIO.h
// This file implements basic fast IO routines.
//
// @brief
//
// @version API 1.0.0
//
// @author Florian Fida -
//
// 2012-03-16 bperrybap updated fio_shiftout() to be smaller & faster
//
// @todo:
// support chipkit:
// (https://github.com/chipKIT32/chipKIT32-MAX/blob/master/hardware/pic32/
// cores/pic32/wiring_digital.c)
// ---------------------------------------------------------------------------
#include "FastIO.h"
fio_register fio_pinToOutputRegister(uint8_t pin, uint8_t initial_state)
{
pinMode(pin, OUTPUT);
if(initial_state != SKIP)
{
digitalWrite(pin, initial_state); // also turns off pwm timer
}
#ifdef FIO_FALLBACK
// just wasting memory if not using fast io...
return 0;
#else
return portOutputRegister(digitalPinToPort(pin));
#endif
}
fio_register fio_pinToInputRegister(uint8_t pin)
{
pinMode(pin, INPUT);
digitalWrite(pin, LOW); // also turns off pwm timer and pullup
#ifdef FIO_FALLBACK
// just wasting memory if not using fast io...
return 0;
#else
return portInputRegister(digitalPinToPort(pin));
#endif
}
fio_bit fio_pinToBit(uint8_t pin)
{
#ifdef FIO_FALLBACK
// (ab)use the bit variable to store the pin
return pin;
#else
return digitalPinToBitMask(pin);
#endif
}
void fio_digitalWrite(fio_register pinRegister, fio_bit pinBit, uint8_t value)
{
#ifdef FIO_FALLBACK
digitalWrite(pinBit, value);
#else
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
if(value == LOW)
{
fio_digitalWrite_LOW(pinRegister,pinBit);
}
else
{
fio_digitalWrite_HIGH(pinRegister,pinBit);
}
}
#endif
}
int fio_digitalRead(fio_register pinRegister, uint8_t pinBit)
{
#ifdef FIO_FALLBACK
return digitalRead (pinBit);
#else
if (*pinRegister & pinBit)
{
return HIGH;
}
return LOW;
#endif
}
void fio_shiftOut (fio_register dataRegister, fio_bit dataBit,
fio_register clockRegister, fio_bit clockBit,
uint8_t value, uint8_t bitOrder)
{
// # disable interrupts
int8_t i;
if(bitOrder == LSBFIRST)
{
for(i = 0; i < 8; i++)
{
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
if(value & 1)
{
fio_digitalWrite_HIGH(dataRegister, dataBit);
}
else
{
fio_digitalWrite_LOW(dataRegister, dataBit);
}
value >>= 1;
fio_digitalWrite_HIGH (clockRegister, clockBit);
fio_digitalWrite_LOW (clockRegister,clockBit);
}
}
}
else
{
for(i = 0; i < 8; i++)
{
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
if(value & 0x80)
{
fio_digitalWrite_HIGH(dataRegister, dataBit);
}
else
{
fio_digitalWrite_LOW(dataRegister, dataBit);
}
value <<= 1;
fio_digitalWrite_HIGH (clockRegister, clockBit);
fio_digitalWrite_LOW (clockRegister,clockBit);
}
}
}
}
void fio_shiftOut(fio_register dataRegister, fio_bit dataBit,
fio_register clockRegister, fio_bit clockBit)
{
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
// shift out 0x0 (B00000000) fast, byte order is irrelevant
fio_digitalWrite_LOW (dataRegister, dataBit);
for(uint8_t i = 0; i<8; ++i)
{
fio_digitalWrite_HIGH (clockRegister, clockBit);
fio_digitalWrite_SWITCH (clockRegister, clockBit);
}
}
}
void fio_shiftOut1_init(uint8_t pin)
{
fio_shiftOut1_init(fio_pinToOutputRegister(pin,HIGH),fio_pinToBit(pin));
}
void fio_shiftOut1_init(fio_register shift1Register, fio_bit shift1Bit)
{
// Make sure that capacitors are charged
// 300us is an educated guess...
fio_digitalWrite(shift1Register,shift1Bit,HIGH);
delayMicroseconds(300);
}
void fio_shiftOut1(fio_register shift1Register, fio_bit shift1Bit, uint8_t value,
boolean noLatch)
{
/*
* this function are based on Shif1 protocol developed by Roman Black
* (http://www.romanblack.com/shift1.htm)
*
* test sketches:
* http://pastebin.com/raw.php?i=2hnC9v2Z
* http://pastebin.com/raw.php?i=bGg4DhXQ
* http://pastebin.com/raw.php?i=tg1ZFiM5
* http://pastebin.com/raw.php?i=93ExPDD3 - cascading
* tested with:
* TPIC6595N - seems to work fine (circuit: http://www.3guys1laser.com/
* arduino-one-wire-shift-register-prototype)
* 7HC595N
*/
// iterate but ignore last bit (is it correct now?)
for(int8_t i = 7; i>=0; --i)
{
// assume that pin is HIGH (smokin' pot all day... :) - requires
// initialization
if(value & _BV(i))
{
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
// HIGH = 1 Bit
fio_digitalWrite_SWITCHTO(shift1Register,shift1Bit,LOW);
//hold pin LOW for 1us - done! :)
fio_digitalWrite_SWITCHTO(shift1Register,shift1Bit,HIGH);
} // end critical section
//hold pin HIGH for 15us
delayMicroseconds(15);
}
else
{
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
// LOW = 0 Bit
fio_digitalWrite_SWITCHTO(shift1Register,shift1Bit,LOW);
// hold pin LOW for 15us
delayMicroseconds(15);
fio_digitalWrite_SWITCHTO(shift1Register,shift1Bit,HIGH);
} // end critical section
// hold pin HIGH for 30us
delayMicroseconds(30);
}
if(!noLatch && i==1)
{
break;
}
}
if(!noLatch)
{
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
// send last bit (=LOW) and Latch command
fio_digitalWrite_SWITCHTO(shift1Register,shift1Bit,LOW);
} // end critical section
delayMicroseconds(199); // Hold pin low for 200us
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
fio_digitalWrite_HIGH(shift1Register,shift1Bit);
} // end critical section
delayMicroseconds(299); // Hold pin high for 300us and leave it that
// way - using explicit HIGH here, just in case.
}
}
void fio_shiftOut1(uint8_t pin, uint8_t value, boolean noLatch)
{
fio_shiftOut1(fio_pinToOutputRegister(pin, SKIP),fio_pinToBit(pin),value, noLatch);
}

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// ---------------------------------------------------------------------------
// Created by Florian Fida on 20/01/12
// Copyright 2012 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
// http://creativecommons.org/licenses/by-sa/3.0/
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
// ---------------------------------------------------------------------------
// fio_shiftOut1 functions are based on Shif1 protocol developed by Roman Black
// (http://www.romanblack.com/shift1.htm)
//
// Thread Safe: No
// Extendable: Yes
//
// @file FastIO.h
// This file implements basic fast IO routines.
//
// @brief
//
// @version API 1.0.0
//
// @author Florian Fida -
// 2012-03-16 bperrybap mods for chipkit32 (pic32) Arduino
// support chipkit:
// (https://github.com/chipKIT32/chipKIT32-MAX/blob/master/hardware/pic32/
// cores/pic32/wiring_digital.c)
// ---------------------------------------------------------------------------
#ifndef _FAST_IO_H_
#define _FAST_IO_H_
#if (ARDUINO < 100)
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include <pins_arduino.h> // pleasing sanguino core
#include <inttypes.h>
#define SKIP 0x23
#if defined (__AVR__)
#include <util/atomic.h> // for critical section management
typedef uint8_t fio_bit;
typedef volatile uint8_t *fio_register;
#elif defined(__PIC32MX__)
typedef uint32_t fio_bit;
typedef volatile uint32_t *fio_register;
#else
// fallback to Arduino standard digital i/o routines
#define FIO_FALLBACK
#define ATOMIC_BLOCK(dummy) if(true)
#define ATOMIC_RESTORESTATE
typedef uint8_t fio_bit;
typedef uint8_t fio_register;
#endif
#if !defined(FIO_FALLBACK) && !defined(ATOMIC_BLOCK)
/*
* Define an ATOMIC_BLOCK that implements ATOMIC_FORCEON type
* Using the portable Arduino interrupts() and noInterrupts()
*/
#define ATOMIC_RESTORESTATE ATOMIC_FORCEON // sorry, no support for save/restore yet.
#define ATOMIC_FORCEON uint8_t sreg_save \
__attribute__((__cleanup__(__iSeiParam))) = 0
static __inline__ uint8_t __iCliRetVal(void)
{
noInterrupts();
return(1);
}
static __inline__ void __iSeiParam(const uint8_t *__s)
{
interrupts();
}
#define ATOMIC_BLOCK(type) for(type, __Todo = __iCliRetVal(); __Todo; __Todo = 0)
#endif // end of block to create compatible ATOMIC_BLOCK()
/*!
@function
@abstract Get the output register for specified pin.
@discussion if fast digital IO is disabled this function returns NULL
@param pin[in] Number of a digital pin
@result Register
*/
fio_register fio_pinToOutputRegister(uint8_t pin, uint8_t initial_state = LOW);
/*!
@function
@abstract Get the input register for specified pin.
@discussion if fast digital IO is disabled this function returns NULL
@param pin[in] Number of a digital pin
@result Register
*/
fio_register fio_pinToInputRegister(uint8_t pin);
/*!
@function
@abstract Find the bit which belongs to specified pin
@discussion if fast digitalWrite is disabled this function returns the pin
@param pin[in] Number of a digital pin
@result Bit
*/
fio_bit fio_pinToBit(uint8_t pin);
/*!
@method
@abstract direct digital write
@discussion without any checks
@discussion falls back to normal digitalWrite if fast io is disabled
@param pinRegister[in] Register - ignored if fast digital write is disabled
@param pinBit[in] Bit - Pin if fast digital write is disabled
@param value[in] desired output
*/
// __attribute__ ((always_inline)) /* let the optimizer decide that for now */
void fio_digitalWrite ( fio_register pinRegister, fio_bit pinBit, uint8_t value );
/**
* This is where the magic happens that makes things fast.
* Implemented as preprocessor directives to force inlining
* SWITCH is fast for FIO but probably slow for FIO_FALLBACK so SWITCHTO is recommended if the value is known.
*/
#ifndef FIO_FALLBACK
#define fio_digitalWrite_LOW(reg,bit) *reg &= ~bit
#define fio_digitalWrite_HIGH(reg,bit) *reg |= bit
#define fio_digitalWrite_SWITCH(reg,bit) *reg ^= bit
#define fio_digitalWrite_SWITCHTO(reg,bit,val) fio_digitalWrite_SWITCH(reg,bit)
#else
// reg -> dummy NULL, bit -> pin
#define fio_digitalWrite_HIGH(reg,bit) digitalWrite(bit,HIGH)
#define fio_digitalWrite_LOW(reg,bit) digitalWrite(bit,LOW)
#define fio_digitalWrite_SWITCH(reg,bit) digitalWrite(bit, !digitalRead(bit))
#define fio_digitalWrite_SWITCHTO(reg,bit,val) digitalWrite(bit,val);
#endif
/*!
@function
@abstract direct digital read
@discussion without any checks
@discussion falls back to normal digitalRead if fast io is disabled
@param pinRegister[in] Register - ignored if fast io is disabled
@param pinBit[in] Bit - Pin if fast io is disabled
@result Value read from pin
*/
int fio_digitalRead ( fio_register pinRegister, fio_bit pinBit );
/*!
@method
@abstract faster shift out
@discussion using fast digital write
@discussion falls back to normal digitalWrite if fastio is disabled
@param dataRegister[in] Register of data pin - ignored if fast digital write is disabled
@param dataBit[in] Bit of data pin - Pin if fast digital write is disabled
@param clockRegister[in] Register of data pin - ignored if fast digital write is disabled
@param clockBit[in] Bit of data pin - Pin if fast digital write is disabled
@param bitOrder[in] bit order
*/
void fio_shiftOut( fio_register dataRegister, fio_bit dataBit, fio_register clockRegister,
fio_bit clockBit, uint8_t value, uint8_t bitOrder );
/*!
@method
@abstract faster shift out clear
@discussion using fast digital write
@discussion falls back to normal digitalWrite if fastio is disabled
@param dataRegister[in] Register of data pin - ignored if fast digital write is disabled
@param dataBit[in] Bit of data pin - Pin if fast digital write is disabled
@param clockRegister[in] Register of data pin - ignored if fast digital write is disabled
@param clockBit[in] Bit of data pin - Pin if fast digital write is disabled
*/
void fio_shiftOut(fio_register dataRegister, fio_bit dataBit, fio_register clockRegister, fio_bit clockBit);
/*!
* @method
* @abstract one wire shift out
* @discussion protocol needs initialisation (fio_shiftOut1_init)
* @param shift1Register[in] pins register
* @param shift1Bit[in] pins bit
* @param value[in] value to shift out, last byte is ignored and always shifted out LOW
*/
void fio_shiftOut1(fio_register shift1Register, fio_bit shift1Bit, uint8_t value, boolean noLatch = false);
/*!
* @method
* @abstract one wire shift out
* @discussion protocol needs initialisation (fio_shiftOut1_init)
* @param pin[in] digital pin
* @param value[in] value to shift out, last byte is ignored and always shifted out LOW
*/
void fio_shiftOut1(uint8_t pin, uint8_t value, boolean noLatch = false);
/*!
* @method
* @abstract initializes one wire shift out protocol
* @discussion Puts pin to HIGH state and delays until Capacitors are charged.
* @param shift1Register[in] pins register
* @param shift1Bit[in] pins bit
*/
void fio_shiftOut1_init(fio_register shift1Register, fio_bit shift1Bit);
/*!
* @method
* @abstract initializes one wire shift out protocol
* @discussion Puts pin to HIGH state and delays until Capacitors are charged.
* @param pin[in] digital pin
*/
void fio_shiftOut1_init(uint8_t pin);
#endif // FAST_IO_H

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file I2CIO.h
// This file implements a basic IO library using the PCF8574 I2C IO Expander
// chip.
//
// @brief
// Implement a basic IO library to drive the PCF8574* I2C IO Expander ASIC.
// The library implements basic IO general methods to configure IO pin direction
// read and write uint8_t operations and basic pin level routines to set or read
// a particular IO port.
//
//
// @version API 1.0.0
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#if (ARDUINO < 100)
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include <inttypes.h>
#include <Wire.h>
#include "I2CIO.h"
// CLASS VARIABLES
// ---------------------------------------------------------------------------
// CONSTRUCTOR
// ---------------------------------------------------------------------------
I2CIO::I2CIO ( )
{
_i2cAddr = 0x0;
_dirMask = 0xFF; // mark all as INPUTs
_shadow = 0x0; // no values set
_initialised = false;
}
// PUBLIC METHODS
// ---------------------------------------------------------------------------
//
// begin
int I2CIO::begin ( uint8_t i2cAddr )
{
_i2cAddr = i2cAddr;
Wire.begin ( );
_initialised = Wire.requestFrom ( _i2cAddr, (uint8_t)1 );
#if (ARDUINO < 100)
_shadow = Wire.receive ();
#else
_shadow = Wire.read (); // Remove the byte read don't need it.
#endif
return ( _initialised );
}
//
// pinMode
void I2CIO::pinMode ( uint8_t pin, uint8_t dir )
{
if ( _initialised )
{
if ( OUTPUT == dir )
{
_dirMask &= ~( 1 << pin );
}
else
{
_dirMask |= ( 1 << pin );
}
}
}
//
// portMode
void I2CIO::portMode ( uint8_t dir )
{
if ( _initialised )
{
if ( dir == INPUT )
{
_dirMask = 0xFF;
}
else
{
_dirMask = 0x00;
}
}
}
//
// read
uint8_t I2CIO::read ( void )
{
uint8_t retVal = 0;
if ( _initialised )
{
Wire.requestFrom ( _i2cAddr, (uint8_t)1 );
#if (ARDUINO < 100)
retVal = ( _dirMask & Wire.receive ( ) );
#else
retVal = ( _dirMask & Wire.read ( ) );
#endif
}
return ( retVal );
}
//
// write
int I2CIO::write ( uint8_t value )
{
int status = 0;
if ( _initialised )
{
// Only write HIGH the values of the ports that have been initialised as
// outputs updating the output shadow of the device
_shadow = ( value & ~(_dirMask) );
Wire.beginTransmission ( _i2cAddr );
#if (ARDUINO < 100)
Wire.send ( _shadow );
#else
Wire.write ( _shadow );
#endif
status = Wire.endTransmission ();
}
return ( (status == 0) );
}
//
// digitalRead
uint8_t I2CIO::digitalRead ( uint8_t pin )
{
uint8_t pinVal = 0;
// Check if initialised and that the pin is within range of the device
// -------------------------------------------------------------------
if ( ( _initialised ) && ( pin <= 7 ) )
{
// Remove the values which are not inputs and get the value of the pin
pinVal = this->read() & _dirMask;
pinVal = ( pinVal >> pin ) & 0x01; // Get the pin value
}
return (pinVal);
}
//
// digitalWrite
int I2CIO::digitalWrite ( uint8_t pin, uint8_t level )
{
uint8_t writeVal;
int status = 0;
// Check if initialised and that the pin is within range of the device
// -------------------------------------------------------------------
if ( ( _initialised ) && ( pin <= 7 ) )
{
// Only write to HIGH the port if the port has been configured as
// an OUTPUT pin. Add the new state of the pin to the shadow
writeVal = ( 1 << pin ) & ~_dirMask;
if ( level == HIGH )
{
_shadow |= writeVal;
}
else
{
_shadow &= ~writeVal;
}
status = this->write ( _shadow );
}
return ( status );
}
//
// PRIVATE METHODS
// ---------------------------------------------------------------------------

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file I2CIO.h
// This file implements a basic IO library using the PCF8574 I2C IO Expander
// chip.
//
// @brief
// Implement a basic IO library to drive the PCF8574* I2C IO Expander ASIC.
// The library implements basic IO general methods to configure IO pin direction
// read and write uint8_t operations and basic pin level routines to set or read
// a particular IO port.
//
// @version API 1.0.0
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#ifndef _I2CIO_H_
#define _I2CIO_H_
#include <inttypes.h>
#define _I2CIO_VERSION "1.0.0"
/*!
@class
@abstract I2CIO
@discussion Library driver to control PCF8574 based ASICs. Implementing
library calls to set/get port through I2C bus.
*/
class I2CIO
{
public:
/*!
@method
@abstract Constructor method
@discussion Class constructor constructor.
*/
I2CIO ( );
/*!
@method
@abstract Initializes the device.
@discussion This method initializes the device allocating an I2C address.
This method is the first method that should be call prior to calling any
other method form this class. On initialization all pins are configured
as INPUT on the device.
@param i2cAddr: I2C Address where the device is located.
@result 1 if the device was initialized correctly, 0 otherwise
*/
int begin ( uint8_t i2cAddr );
/*!
@method
@abstract Sets the mode of a particular pin.
@discussion Sets the mode of a particular pin to INPUT, OUTPUT. digitalWrite
has no effect on pins which are not declared as output.
@param pin[in] Pin from the I2C IO expander to be configured. Range 0..7
@param dir[in] Pin direction (INPUT, OUTPUT).
*/
void pinMode ( uint8_t pin, uint8_t dir );
/*!
@method
@abstract Sets all the pins of the device in a particular direction.
@discussion This method sets all the pins of the device in a particular
direction. This method is useful to set all the pins of the device to be
either inputs or outputs.
@param dir[in] Direction of all the pins of the device (INPUT, OUTPUT).
*/
void portMode ( uint8_t dir );
/*!
@method
@abstract Reads all the pins of the device that are configured as INPUT.
@discussion Reads from the device the status of the pins that are configured
as INPUT. During initialization all pins are configured as INPUTs by default.
Please refer to pinMode or portMode.
@param none
*/
uint8_t read ( void );
/*!
@method
@abstract Read a pin from the device.
@discussion Reads a particular pin from the device. To read a particular
pin it has to be configured as INPUT. During initialization all pins are
configured as INPUTs by default. Please refer to pinMode or portMode.
@param pin[in] Pin from the port to read its status. Range (0..7)
@result Returns the pin status (HIGH, LOW) if the pin is configured
as an output, reading its value will always return LOW regardless of its
real state.
*/
uint8_t digitalRead ( uint8_t pin );
/*!
@method
@abstract Write a value to the device.
@discussion Writes to a set of pins in the device. The value is the binary
representation of all the pins in device. The value written is masked with
the configuration of the direction of the pins; to change the state of
a particular pin with this method, such pin has to be configured as OUTPUT
using the portMode or pinMode methods. If no pins have been configured as
OUTPUTs this method will have no effect.
@param value[in] value to be written to the device.
@result 1 on success, 0 otherwise
*/
int write ( uint8_t value );
/*!
@method
@abstract Writes a digital level to a particular pin.
@discussion Write a level to the indicated pin of the device. For this
method to have effect, the pin has to be configured as OUTPUT using the
pinMode or portMode methods.
@param pin[in] device pin to change level. Range (0..7).
@para level[in] logic level to set the pin at (HIGH, LOW).
@result 1 on success, 0 otherwise.
*/
int digitalWrite ( uint8_t pin, uint8_t level );
private:
uint8_t _shadow; // Shadow output
uint8_t _dirMask; // Direction mask
uint8_t _i2cAddr; // I2C address
bool _initialised; // Initialised object
};
#endif

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LCD.cpp
// This file implements a basic liquid crystal library that comes as standard
// in the Arduino SDK.
//
// @brief
// This is a basic implementation of the HD44780 library of the
// Arduino SDK. This library is a refactored version of the one supplied
// in the Arduino SDK in such a way that it simplifies its extension
// to support other mechanism to communicate to LCDs such as I2C, Serial, SR, ...
// The original library has been reworked in such a way that this will be
// the base class implementing all generic methods to command an LCD based
// on the Hitachi HD44780 and compatible chipsets.
//
// This base class is a pure abstract class and needs to be extended. As reference,
// it has been extended to drive 4 and 8 bit mode control, LCDs and I2C extension
// backpacks such as the I2CLCDextraIO using the PCF8574* I2C IO Expander ASIC.
//
//
// @version API 1.1.0
//
// 2012.03.29 bperrybap - changed comparision to use LCD_5x8DOTS rather than 0
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#if (ARDUINO < 100)
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include "LCD.h"
// CLASS CONSTRUCTORS
// ---------------------------------------------------------------------------
// Constructor
LCD::LCD ()
{
}
// PUBLIC METHODS
// ---------------------------------------------------------------------------
// When the display powers up, it is configured as follows:
//
// 1. Display clear
// 2. Function set:
// DL = 1; 8-bit interface data
// N = 0; 1-line display
// F = 0; 5x8 dot character font
// 3. Display on/off control:
// D = 0; Display off
// C = 0; Cursor off
// B = 0; Blinking off
// 4. Entry mode set:
// I/D = 1; Increment by 1
// S = 0; No shift
//
// Note, however, that resetting the Arduino doesn't reset the LCD, so we
// can't assume that its in that state when a sketch starts (and the
// LiquidCrystal constructor is called).
// A call to begin() will reinitialize the LCD.
//
void LCD::begin(uint8_t cols, uint8_t lines, uint8_t dotsize)
{
if (lines > 1)
{
_displayfunction |= LCD_2LINE;
}
_numlines = lines;
_cols = cols;
// for some 1 line displays you can select a 10 pixel high font
// ------------------------------------------------------------
if ((dotsize != LCD_5x8DOTS) && (lines == 1))
{
_displayfunction |= LCD_5x10DOTS;
}
// SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
// according to datasheet, we need at least 40ms after power rises above 2.7V
// before sending commands. Arduino can turn on way before 4.5V so we'll wait
// 50
// ---------------------------------------------------------------------------
delay (100); // 100ms delay
//put the LCD into 4 bit or 8 bit mode
// -------------------------------------
if (! (_displayfunction & LCD_8BITMODE))
{
// this is according to the hitachi HD44780 datasheet
// figure 24, pg 46
// we start in 8bit mode, try to set 4 bit mode
send(0x03, FOUR_BITS);
delayMicroseconds(4500); // wait min 4.1ms
// second try
send ( 0x03, FOUR_BITS );
delayMicroseconds(4500); // wait min 4.1ms
// third go!
send( 0x03, FOUR_BITS );
delayMicroseconds(150);
// finally, set to 4-bit interface
send ( 0x02, FOUR_BITS );
}
else
{
// this is according to the hitachi HD44780 datasheet
// page 45 figure 23
// Send function set command sequence
command(LCD_FUNCTIONSET | _displayfunction);
delayMicroseconds(4500); // wait more than 4.1ms
// second try
command(LCD_FUNCTIONSET | _displayfunction);
delayMicroseconds(150);
// third go
command(LCD_FUNCTIONSET | _displayfunction);
}
// finally, set # lines, font size, etc.
command(LCD_FUNCTIONSET | _displayfunction);
// turn the display on with no cursor or blinking default
_displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF;
display();
// clear the LCD
clear();
// Initialize to default text direction (for romance languages)
_displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT;
// set the entry mode
command(LCD_ENTRYMODESET | _displaymode);
backlight();
}
// Common LCD Commands
// ---------------------------------------------------------------------------
void LCD::clear()
{
command(LCD_CLEARDISPLAY); // clear display, set cursor position to zero
delayMicroseconds(HOME_CLEAR_EXEC); // this command is time consuming
}
void LCD::home()
{
command(LCD_RETURNHOME); // set cursor position to zero
delayMicroseconds(HOME_CLEAR_EXEC); // This command is time consuming
}
void LCD::setCursor(uint8_t col, uint8_t row)
{
const byte row_offsetsDef[] = { 0x00, 0x40, 0x14, 0x54 }; // For regular LCDs
const byte row_offsetsLarge[] = { 0x00, 0x40, 0x10, 0x50 }; // For 16x4 LCDs
if ( row >= _numlines )
{
row = _numlines-1; // rows start at 0
}
// 16x4 LCDs have special memory map layout
// ----------------------------------------
if ( _cols == 16 && _numlines == 4 )
{
command(LCD_SETDDRAMADDR | (col + row_offsetsLarge[row]));
}
else
{
command(LCD_SETDDRAMADDR | (col + row_offsetsDef[row]));
}
}
// Turn the display on/off
void LCD::noDisplay()
{
_displaycontrol &= ~LCD_DISPLAYON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LCD::display()
{
_displaycontrol |= LCD_DISPLAYON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
// Turns the underline cursor on/off
void LCD::noCursor()
{
_displaycontrol &= ~LCD_CURSORON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LCD::cursor()
{
_displaycontrol |= LCD_CURSORON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
// Turns on/off the blinking cursor
void LCD::noBlink()
{
_displaycontrol &= ~LCD_BLINKON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LCD::blink()
{
_displaycontrol |= LCD_BLINKON;
command(LCD_DISPLAYCONTROL | _displaycontrol);
}
// These commands scroll the display without changing the RAM
void LCD::scrollDisplayLeft(void)
{
command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT);
}
void LCD::scrollDisplayRight(void)
{
command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT);
}
// This is for text that flows Left to Right
void LCD::leftToRight(void)
{
_displaymode |= LCD_ENTRYLEFT;
command(LCD_ENTRYMODESET | _displaymode);
}
// This is for text that flows Right to Left
void LCD::rightToLeft(void)
{
_displaymode &= ~LCD_ENTRYLEFT;
command(LCD_ENTRYMODESET | _displaymode);
}
// This method moves the cursor one space to the right
void LCD::moveCursorRight(void)
{
command(LCD_CURSORSHIFT | LCD_CURSORMOVE | LCD_MOVERIGHT);
}
// This method moves the cursor one space to the left
void LCD::moveCursorLeft(void)
{
command(LCD_CURSORSHIFT | LCD_CURSORMOVE | LCD_MOVELEFT);
}
// This will 'right justify' text from the cursor
void LCD::autoscroll(void)
{
_displaymode |= LCD_ENTRYSHIFTINCREMENT;
command(LCD_ENTRYMODESET | _displaymode);
}
// This will 'left justify' text from the cursor
void LCD::noAutoscroll(void)
{
_displaymode &= ~LCD_ENTRYSHIFTINCREMENT;
command(LCD_ENTRYMODESET | _displaymode);
}
// Write to CGRAM of new characters
void LCD::createChar(uint8_t location, uint8_t charmap[])
{
location &= 0x7; // we only have 8 locations 0-7
command(LCD_SETCGRAMADDR | (location << 3));
delayMicroseconds(30);
for (int i=0; i<8; i++)
{
write(charmap[i]); // call the virtual write method
delayMicroseconds(40);
}
}
//
// Switch on the backlight
void LCD::backlight ( void )
{
setBacklight(255);
}
//
// Switch off the backlight
void LCD::noBacklight ( void )
{
setBacklight(0);
}
//
// Switch fully on the LCD (backlight and LCD)
void LCD::on ( void )
{
display();
backlight();
}
//
// Switch fully off the LCD (backlight and LCD)
void LCD::off ( void )
{
noBacklight();
noDisplay();
}
// General LCD commands - generic methods used by the rest of the commands
// ---------------------------------------------------------------------------
void LCD::command(uint8_t value)
{
send(value, COMMAND);
}
#if (ARDUINO < 100)
void LCD::write(uint8_t value)
{
send(value, DATA);
}
#else
size_t LCD::write(uint8_t value)
{
send(value, DATA);
return 1; // assume OK
}
#endif

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LCD.h
// This file implements a basic liquid crystal library that comes as standard
// in the Arduino SDK.
//
// @brief
// This is a basic implementation of the LiquidCrystal library of the
// Arduino SDK. This library is a refactored version of the one supplied
// in the Arduino SDK in such a way that it simplifies its extension
// to support other mechanism to communicate to LCDs such as I2C, Serial, SR,
// The original library has been reworked in such a way that this will be
// the base class implementing all generic methods to command an LCD based
// on the Hitachi HD44780 and compatible chipsets.
//
// This base class is a pure abstract class and needs to be extended. As reference,
// it has been extended to drive 4 and 8 bit mode control, LCDs and I2C extension
// backpacks such as the I2CLCDextraIO using the PCF8574* I2C IO Expander ASIC.
//
// The functionality provided by this class and its base class is identical
// to the original functionality of the Arduino LiquidCrystal library.
//
// @version API 1.1.0
//
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#ifndef _LCD_H_
#define _LCD_H_
#if (ARDUINO < 100)
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include <inttypes.h>
#include <Print.h>
/*!
@defined
@abstract Enables disables fast waits for write operations for LCD
@discussion If defined, the library will avoid doing un-necessary waits.
this can be done, because the time taken by Arduino's slow digitalWrite
operations. If fast digitalIO operations, comment this line out or undefine
the mode.
*/
#ifdef __AVR__
#define FAST_MODE
#endif
/*!
@function
@abstract waits for a given time in microseconds (compilation dependent).
@discussion Waits for a given time defined in microseconds depending on
the FAST_MODE define. If the FAST_MODE is defined the call will return
inmediatelly.
@param uSec[in] time in microseconds.
@result None
*/
inline static void waitUsec ( uint16_t uSec )
{
#ifndef FAST_MODE
delayMicroseconds ( uSec );
#endif // FAST_MODE
}
/*!
@defined
@abstract All these definitions shouldn't be used unless you are writing
a driver.
@discussion All these definitions are for driver implementation only and
shouldn't be used by applications.
*/
// LCD Commands
// ---------------------------------------------------------------------------
#define LCD_CLEARDISPLAY 0x01
#define LCD_RETURNHOME 0x02
#define LCD_ENTRYMODESET 0x04
#define LCD_DISPLAYCONTROL 0x08
#define LCD_CURSORSHIFT 0x10
#define LCD_FUNCTIONSET 0x20
#define LCD_SETCGRAMADDR 0x40
#define LCD_SETDDRAMADDR 0x80
// flags for display entry mode
// ---------------------------------------------------------------------------
#define LCD_ENTRYRIGHT 0x00
#define LCD_ENTRYLEFT 0x02
#define LCD_ENTRYSHIFTINCREMENT 0x01
#define LCD_ENTRYSHIFTDECREMENT 0x00
// flags for display on/off and cursor control
// ---------------------------------------------------------------------------
#define LCD_DISPLAYON 0x04
#define LCD_DISPLAYOFF 0x00
#define LCD_CURSORON 0x02
#define LCD_CURSOROFF 0x00
#define LCD_BLINKON 0x01
#define LCD_BLINKOFF 0x00
// flags for display/cursor shift
// ---------------------------------------------------------------------------
#define LCD_DISPLAYMOVE 0x08
#define LCD_CURSORMOVE 0x00
#define LCD_MOVERIGHT 0x04
#define LCD_MOVELEFT 0x00
// flags for function set
// ---------------------------------------------------------------------------
#define LCD_8BITMODE 0x10
#define LCD_4BITMODE 0x00
#define LCD_2LINE 0x08
#define LCD_1LINE 0x00
#define LCD_5x10DOTS 0x04
#define LCD_5x8DOTS 0x00
// Define COMMAND and DATA LCD Rs (used by send method).
// ---------------------------------------------------------------------------
#define COMMAND 0
#define DATA 1
#define FOUR_BITS 2
/*!
@defined
@abstract Defines the duration of the home and clear commands
@discussion This constant defines the time it takes for the home and clear
commands in the LCD - Time in microseconds.
*/
#define HOME_CLEAR_EXEC 2000
/*!
@defined
@abstract Backlight off constant declaration
@discussion Used in combination with the setBacklight to swith off the
LCD backlight. @set setBacklight
*/
#define BACKLIGHT_OFF 0
/*!
@defined
@abstract Backlight on constant declaration
@discussion Used in combination with the setBacklight to swith on the
LCD backlight. @set setBacklight
*/
#define BACKLIGHT_ON 255
/*!
@typedef
@abstract Define backlight control polarity
@discussion Backlight control polarity. @see setBacklightPin.
*/
typedef enum { POSITIVE, NEGATIVE } t_backlighPol;
class LCD : public Print
{
public:
/*!
@method
@abstract LiquidCrystal abstract constructor.
@discussion LiquidCrystal class abstract constructor needed to create
the base abstract class.
*/
LCD ( );
/*!
@function
@abstract LCD initialization.
@discussion Initializes the LCD to a given size (col, row). This methods
initializes the LCD, therefore, it MUST be called prior to using any other
method from this class.
This method is abstract, a base implementation is available common to all LCD
drivers. Should it not be compatible with some other LCD driver, a derived
implementation should be done on the driver specif class.
@param cols[in] the number of columns that the display has
@param rows[in] the number of rows that the display has
@param charsize[in] character size, default==LCD_5x8DOTS
*/
virtual void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);
/*!
@function
@abstract Clears the LCD.
@discussion Clears the LCD screen and positions the cursor in the upper-left
corner.
This operation is time consuming for the LCD.
@param none
*/
void clear();
/*!
@function
@abstract Sets the cursor to the upper-left corner.
@discussion Positions the cursor in the upper-left of the LCD.
That is, use that location in outputting subsequent text to the display.
To also clear the display, use the clear() function instead.
This operation is time consuming for the LCD.
@param none
*/
void home();
/*!
@function
@abstract Turns off the LCD display.
@discussion Turns off the LCD display, without losing the text currently
being displayed on it.
@param none
*/
void noDisplay();
/*!
@function
@abstract Turns on the LCD display.
@discussion Turns on the LCD display, after it's been turned off with
noDisplay(). This will restore the text (and cursor location) that was on
the display prior to calling noDisplay().
@param none
*/
void display();
/*!
@function
@abstract Turns off the blinking of the LCD cursor.
@param none
*/
void noBlink();
/*!
@function
@abstract Display the cursor of the LCD.
@discussion Display the blinking LCD cursor. If used in combination with
the cursor() function, the result will depend on the particular display.
@param none
*/
void blink();
/*!
@function
@abstract Hides the LCD cursor.
@param none
*/
void noCursor();
/*!
@function
@abstract Display the LCD cursor.
@discussion Display the LCD cursor: an underscore (line) at the location
where the next character will be written.
@param none
*/
void cursor();
/*!
@function
@abstract Scrolls the contents of the display (text and cursor) one space
to the left.
@param none
*/
void scrollDisplayLeft();
/*!
@function
@abstract Scrolls the contents of the display (text and cursor) one space
to the right.
@param none
*/
void scrollDisplayRight();
/*!
@function
@abstract Set the direction for text written to the LCD to left-to-right.
@discussion Set the direction for text written to the LCD to left-to-right.
All subsequent characters written to the display will go from left to right,
but does not affect previously-output text.
This is the default configuration.
@param none
*/
void leftToRight();
/*!
@function
@abstract Set the direction for text written to the LCD to right-to-left.
@discussion Set the direction for text written to the LCD to right-to-left.
All subsequent characters written to the display will go from right to left,
but does not affect previously-output text.
left-to-right is the default configuration.
@param none
*/
void rightToLeft();
/*!
@function
@abstract Moves the cursor one space to the left.
@discussion
@param none
*/
void moveCursorLeft();
/*!
@function
@abstract Moves the cursor one space to the right.
@param none
*/
void moveCursorRight();
/*!
@function
@abstract Turns on automatic scrolling of the LCD.
@discussion Turns on automatic scrolling of the LCD. This causes each
character output to the display to push previous characters over by one
space. If the current text direction is left-to-right (the default),
the display scrolls to the left; if the current direction is right-to-left,
the display scrolls to the right.
This has the effect of outputting each new character to the same location on
the LCD.
@param none
*/
void autoscroll();
/*!
@function
@abstract Turns off automatic scrolling of the LCD.
@discussion Turns off automatic scrolling of the LCD, this is the default
configuration of the LCD.
@param none
*/
void noAutoscroll();
/*!
@function
@abstract Creates a custom character for use on the LCD.
@discussion Create a custom character (glyph) for use on the LCD.
Most chipsets only support up to eight characters of 5x8 pixels. Therefore,
this methods has been limited to locations (numbered 0 to 7).
The appearance of each custom character is specified by an array of eight
bytes, one for each row. The five least significant bits of each byte
determine the pixels in that row. To display a custom character on screen,
write()/print() its number, i.e. lcd.print (char(x)); // Where x is 0..7.
@param location[in] LCD memory location of the character to create
(0 to 7)
@param charmap[in] the bitmap array representing each row of the character.
*/
void createChar(uint8_t location, uint8_t charmap[]);
/*!
@function
@abstract Position the LCD cursor.
@discussion Sets the position of the LCD cursor. Set the location at which
subsequent text written to the LCD will be displayed.
@param col[in] LCD column
@param row[in] LCD row - line.
*/
void setCursor(uint8_t col, uint8_t row);
/*!
@function
@abstract Switch-on the LCD backlight.
@discussion Switch-on the LCD backlight.
The setBacklightPin has to be called before setting the backlight for
this method to work. @see setBacklightPin.
*/
void backlight ( void );
/*!
@function
@abstract Switch-off the LCD backlight.
@discussion Switch-off the LCD backlight.
The setBacklightPin has to be called before setting the backlight for
this method to work. @see setBacklightPin.
*/
void noBacklight ( void );
/*!
@function
@abstract Switch on the LCD module.
@discussion Switch on the LCD module, it will switch on the LCD controller
and the backlight. This method has the same effect of calling display and
backlight. @see display, @see backlight
*/
void on ( void );
/*!
@function
@abstract Switch off the LCD module.
@discussion Switch off the LCD module, it will switch off the LCD controller
and the backlight. This method has the same effect of calling noDisplay and
noBacklight. @see display, @see backlight
*/
void off ( void );
//
// virtual class methods
// --------------------------------------------------------------------------
/*!
@function
@abstract Sets the pin to control the backlight.
@discussion Sets the pin in the device to control the backlight.
This method is device dependent and can be programmed on each subclass. An
empty function call is provided that does nothing.
@param value: pin associated to backlight control.
@param pol: backlight polarity control (POSITIVE, NEGATIVE)
*/
virtual void setBacklightPin ( uint8_t value, t_backlighPol pol ) { };
/*!
@function
@abstract Sets the pin to control the backlight.
@discussion Sets the pin in the device to control the backlight. The behaviour
of this method is very dependent on the device. Some controllers support
dimming some don't. Please read the actual header file for each individual
device. The setBacklightPin method has to be called before setting the backlight
or the adequate backlight control constructor.
@see setBacklightPin.
NOTE: The prefered methods to control the backlight are "backlight" and
"noBacklight".
@param 0..255 - the value is very dependent on the LCD. However,
BACKLIGHT_OFF will be interpreted as off and BACKLIGHT_ON will drive the
backlight on.
*/
virtual void setBacklight ( uint8_t value ) { };
/*!
@function
@abstract Writes to the LCD.
@discussion This method writes character to the LCD in the current cursor
position.
This is the virtual write method, implemented in the Print class, therefore
all Print class methods will end up calling this method.
@param value[in] Value to write to the LCD.
*/
#if (ARDUINO < 100)
virtual void write(uint8_t value);
#else
virtual size_t write(uint8_t value);
#endif
#if (ARDUINO < 100)
using Print::write;
#else
using Print::write;
#endif
protected:
// Internal LCD variables to control the LCD shared between all derived
// classes.
uint8_t _displayfunction; // LCD_5x10DOTS or LCD_5x8DOTS, LCD_4BITMODE or
// LCD_8BITMODE, LCD_1LINE or LCD_2LINE
uint8_t _displaycontrol; // LCD base control command LCD on/off, blink, cursor
// all commands are "ored" to its contents.
uint8_t _displaymode; // Text entry mode to the LCD
uint8_t _numlines; // Number of lines of the LCD, initialized with begin()
uint8_t _cols; // Number of columns in the LCD
t_backlighPol _polarity; // Backlight polarity
private:
/*!
@function
@abstract Send a command to the LCD.
@discussion This method sends a command to the LCD by setting the Register
select line of the LCD.
This command shouldn't be used to drive the LCD, only to implement any other
feature that is not available on this library.
@param value[in] Command value to send to the LCD (COMMAND, DATA or
FOUR_BITS).
*/
void command(uint8_t value);
/*!
@function
@abstract Send a particular value to the LCD.
@discussion Sends a particular value to the LCD. This is a pure abstract
method, therefore, it is implementation dependent of each derived class how
to physically write to the LCD.
Users should never call this method.
@param value[in] Value to send to the LCD.
@result mode LOW - write to the LCD CGRAM, HIGH - write a command to
the LCD.
*/
#if (ARDUINO < 100)
virtual void send(uint8_t value, uint8_t mode) { };
#else
virtual void send(uint8_t value, uint8_t mode) = 0;
#endif
};
#endif

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal.cpp
// This file implements a basic liquid crystal library that comes as standard
// in the Arduino SDK.
//
// @brief
// This is a basic implementation of the LiquidCrystal library of the
// Arduino SDK. The original library has been reworked in such a way that
// this class implements the all methods to command an LCD based
// on the Hitachi HD44780 and compatible chipsets using the parallel port of
// the LCD (4 bit and 8 bit).
//
// The functionality provided by this class and its base class is identical
// to the original functionality of the Arduino LiquidCrystal library.
//
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#if (ARDUINO < 100)
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include "LiquidCrystal.h"
// CONSTANT definitions
// ---------------------------------------------------------------------------
#define LCD_NOBACKLIGHT 0xFF
// LCD driver configuration (4bit or 8bit driver control)
#define LCD_4BIT 1
#define LCD_8BIT 0
// STATIC helper functions
// ---------------------------------------------------------------------------
// CONSTRUCTORS
// ---------------------------------------------------------------------------
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
{
init(LCD_8BIT, rs, 255, enable, d0, d1, d2, d3, d4, d5, d6, d7);
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
{
init(LCD_8BIT, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
{
init(LCD_4BIT, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
{
init(LCD_4BIT, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
}
// Contructors with backlight control
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
uint8_t backlightPin, t_backlighPol pol)
{
init(LCD_8BIT, rs, 255, enable, d0, d1, d2, d3, d4, d5, d6, d7);
setBacklightPin ( backlightPin, pol );
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
uint8_t backlightPin, t_backlighPol pol)
{
init(LCD_8BIT, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
setBacklightPin ( backlightPin, pol );
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t backlightPin, t_backlighPol pol)
{
init(LCD_4BIT, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
setBacklightPin ( backlightPin, pol );
}
LiquidCrystal::LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t backlightPin, t_backlighPol pol)
{
init(LCD_4BIT, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
setBacklightPin ( backlightPin, pol );
}
// PUBLIC METHODS
// ---------------------------------------------------------------------------
/************ low level data pushing commands **********/
//
// send
void LiquidCrystal::send(uint8_t value, uint8_t mode)
{
// Only interested in COMMAND or DATA
digitalWrite( _rs_pin, ( mode == DATA ) );
// if there is a RW pin indicated, set it low to Write
// ---------------------------------------------------
if (_rw_pin != 255)
{
digitalWrite(_rw_pin, LOW);
}
if ( mode != FOUR_BITS )
{
if ( (_displayfunction & LCD_8BITMODE ) )
{
writeNbits(value, 8);
}
else
{
writeNbits ( value >> 4, 4 );
writeNbits ( value, 4 );
}
}
else
{
writeNbits ( value, 4 );
}
waitUsec ( EXEC_TIME ); // wait for the command to execute by the LCD
}
//
// setBacklightPin
void LiquidCrystal::setBacklightPin ( uint8_t pin, t_backlighPol pol )
{
pinMode ( pin, OUTPUT ); // Difine the backlight pin as output
_backlightPin = pin;
_polarity = pol;
setBacklight(BACKLIGHT_OFF); // Set the backlight low by default
}
//
// setBackligh
void LiquidCrystal::setBacklight ( uint8_t value )
{
// Check if there is a pin assigned to the backlight
// ---------------------------------------------------
if ( _backlightPin != LCD_NOBACKLIGHT )
{
// Check if the pin is associated to a timer, i.e. PWM
// ---------------------------------------------------
if(digitalPinToTimer(_backlightPin) != NOT_ON_TIMER)
{
// Check for control polarity inversion
// ---------------------------------------------------
if ( _polarity == POSITIVE )
{
analogWrite ( _backlightPin, value );
}
else
{
analogWrite ( _backlightPin, 255 - value );
}
}
// Not a PWM pin, set the backlight pin for POSI or NEG
// polarity
// --------------------------------------------------------
else if (((value > 0) && (_polarity == POSITIVE)) ||
((value == 0) && (_polarity == NEGATIVE)))
{
digitalWrite( _backlightPin, HIGH);
}
else
{
digitalWrite( _backlightPin, LOW);
}
}
}
// PRIVATE METHODS
// ---------------------------------------------------------------------------
// init
void LiquidCrystal::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
{
uint8_t i;
// Initialize the IO pins
// -----------------------
_rs_pin = rs;
_rw_pin = rw;
_enable_pin = enable;
_data_pins[0] = d0;
_data_pins[1] = d1;
_data_pins[2] = d2;
_data_pins[3] = d3;
_data_pins[4] = d4;
_data_pins[5] = d5;
_data_pins[6] = d6;
_data_pins[7] = d7;
// Initialize the IO port direction to OUTPUT
// ------------------------------------------
for ( i = 0; i < 4; i++ )
{
pinMode ( _data_pins[i], OUTPUT );
}
// Initialize the rest of the ports if it is an 8bit controlled LCD
// ----------------------------------------------------------------
if ( !fourbitmode )
{
for ( i = 4; i < 8; i++ )
{
pinMode ( _data_pins[i], OUTPUT );
}
}
pinMode(_rs_pin, OUTPUT);
// we can save 1 pin by not using RW. Indicate by passing 255 instead of pin#
if (_rw_pin != 255)
{
pinMode(_rw_pin, OUTPUT);
}
pinMode(_enable_pin, OUTPUT);
// Initialise displaymode functions to defaults: LCD_1LINE and LCD_5x8DOTS
// -------------------------------------------------------------------------
if (fourbitmode)
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
else
_displayfunction = LCD_8BITMODE | LCD_1LINE | LCD_5x8DOTS;
// Now we pull both RS and R/W low to begin commands
digitalWrite(_rs_pin, LOW);
digitalWrite(_enable_pin, LOW);
if (_rw_pin != 255)
{
digitalWrite(_rw_pin, LOW);
}
// Initialise the backlight pin no nothing
_backlightPin = LCD_NOBACKLIGHT;
_polarity = POSITIVE;
}
//
// pulseEnable
void LiquidCrystal::pulseEnable(void)
{
// There is no need for the delays, since the digitalWrite operation
// takes longer.
digitalWrite(_enable_pin, HIGH);
waitUsec(1); // enable pulse must be > 450ns
digitalWrite(_enable_pin, LOW);
}
//
// write4bits
void LiquidCrystal::writeNbits(uint8_t value, uint8_t numBits)
{
for (uint8_t i = 0; i < numBits; i++)
{
digitalWrite(_data_pins[i], (value >> i) & 0x01);
}
pulseEnable();
}

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal.h
// This file implements a basic liquid crystal library that comes as standard
// in the Arduino SDK.
//
// @brief
// This is a basic implementation of the LiquidCrystal library of the
// Arduino SDK. The original library has been reworked in such a way that
// this class implements the all methods to command an LCD based
// on the Hitachi HD44780 and compatible chipsets using the parallel port of
// the LCD (4 bit and 8 bit).
//
//
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#ifndef LiquidCrystal_4bit_h
#define LiquidCrystal_4bit_h
#include <inttypes.h>
#include "LCD.h"
#include "FastIO.h"
/*!
@defined
@abstract Command execution time on the LCD.
@discussion This defines how long a command takes to execute by the LCD.
The time is expressed in micro-seconds.
*/
#define EXEC_TIME 37
class LiquidCrystal : public LCD
{
public:
/*!
@method
@abstract 8 bit LCD constructors.
@discussion Defines the pin assignment that the LCD will have.
The constructor does not initialize the LCD.
*/
LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
// Constructors with backlight control
LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
uint8_t backlightPin, t_backlighPol pol);
LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
uint8_t backlightPin, t_backlighPol pol);
/*!
@method
@abstract 4 bit LCD constructors.
@discussion Defines the pin assignment that the LCD will have.
The constructor does not initialize the LCD.
*/
LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
// Constructors with backlight control
LiquidCrystal(uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t backlightPin, t_backlighPol pol);
LiquidCrystal(uint8_t rs, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t backlightPin, t_backlighPol pol);
/*!
@function
@abstract Send a particular value to the LCD.
@discussion Sends a particular value to the LCD for writing to the LCD or
as an LCD command.
Users should never call this method.
@param value Value to send to the LCD.
@result mode LOW - write to the LCD CGRAM, HIGH - write a command to
the LCD.
*/
virtual void send(uint8_t value, uint8_t mode);
/*!
@function
@abstract Sets the pin to control the backlight.
@discussion Sets the pin in the device to control the backlight.
@param pin: pin assigned to the backlight
@param pol: backlight pin control polarity (POSITIVE, NEGATIVE).
*/
void setBacklightPin ( uint8_t pin, t_backlighPol pol );
/*!
@function
@abstract Switch-on/off the LCD backlight.
@discussion Switch-on/off the LCD backlight.
The setBacklightPin has to be called before setting the backlight for
this method to work. @see setBacklightPin. For dimming control of the
backlight, the configuration pin must be a PWM output pin. Dim control
is achieved by passing a value from 1 to 255 as a parameter. If the
pin configured when calling the setBacklightPin does not support PWM,
then: (0) backlight off, (1..255) backlight on.
@param value: backlight value. 0: off, 1..255: dim control of the
backlight. For negative logic 255: off, 254..0: dim control.
*/
void setBacklight ( uint8_t value );
private:
/*!
@method
@abstract Initializes the LCD pin allocation and associated HW
@discussion Initializes the LCD pin allocation and configuration.
*/
void init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
/*!
@method
@abstract Writes numBits bits from value value to the LCD.
@discussion Writes numBists bits (the least significant) to the LCD control
data lines.
*/
void writeNbits(uint8_t value, uint8_t numBits);
/*!
@method
@abstract Pulse the LCD enable line (En).
@discussion Sends a pulse of 1 uS to the Enable pin to execute an command
or write operation.
*/
void pulseEnable();
uint8_t _rs_pin; // LOW: command. HIGH: character.
uint8_t _rw_pin; // LOW: write to LCD. HIGH: read from LCD.
uint8_t _enable_pin; // activated by a HIGH pulse.
uint8_t _data_pins[8]; // Data pins.
uint8_t _backlightPin; // Pin associated to control the LCD backlight
};
#endif

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal_I2C.c
// This file implements a basic liquid crystal library that comes as standard
// in the Arduino SDK but using an I2C IO extension board.
//
// @brief
// This is a basic implementation of the LiquidCrystal library of the
// Arduino SDK. The original library has been reworked in such a way that
// this class implements the all methods to command an LCD based
// on the Hitachi HD44780 and compatible chipsets using I2C extension
// backpacks such as the I2CLCDextraIO with the PCF8574* I2C IO Expander ASIC.
//
// The functionality provided by this class and its base class is identical
// to the original functionality of the Arduino LiquidCrystal library.
//
//
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#if (ARDUINO < 100)
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include <inttypes.h>
#include "I2CIO.h"
#include "LiquidCrystal_I2C.h"
// CONSTANT definitions
// ---------------------------------------------------------------------------
// flags for backlight control
/*!
@defined
@abstract LCD_NOBACKLIGHT
@discussion NO BACKLIGHT MASK
*/
#define LCD_NOBACKLIGHT 0x00
/*!
@defined
@abstract LCD_BACKLIGHT
@discussion BACKLIGHT MASK used when backlight is on
*/
#define LCD_BACKLIGHT 0xFF
// Default library configuration parameters used by class constructor with
// only the I2C address field.
// ---------------------------------------------------------------------------
/*!
@defined
@abstract Enable bit of the LCD
@discussion Defines the IO of the expander connected to the LCD Enable
*/
#define EN 6 // Enable bit
/*!
@defined
@abstract Read/Write bit of the LCD
@discussion Defines the IO of the expander connected to the LCD Rw pin
*/
#define RW 5 // Read/Write bit
/*!
@defined
@abstract Register bit of the LCD
@discussion Defines the IO of the expander connected to the LCD Register select pin
*/
#define RS 4 // Register select bit
/*!
@defined
@abstract LCD dataline allocation this library only supports 4 bit LCD control
mode.
@discussion D4, D5, D6, D7 LCD data lines pin mapping of the extender module
*/
#define D4 0
#define D5 1
#define D6 2
#define D7 3
// CONSTRUCTORS
// ---------------------------------------------------------------------------
LiquidCrystal_I2C::LiquidCrystal_I2C( uint8_t lcd_Addr )
{
config(lcd_Addr, EN, RW, RS, D4, D5, D6, D7);
}
LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t backlighPin,
t_backlighPol pol = POSITIVE)
{
config(lcd_Addr, EN, RW, RS, D4, D5, D6, D7);
setBacklightPin(backlighPin, pol);
}
LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t En, uint8_t Rw,
uint8_t Rs)
{
config(lcd_Addr, En, Rw, Rs, D4, D5, D6, D7);
}
LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t En, uint8_t Rw,
uint8_t Rs, uint8_t backlighPin,
t_backlighPol pol = POSITIVE)
{
config(lcd_Addr, En, Rw, Rs, D4, D5, D6, D7);
setBacklightPin(backlighPin, pol);
}
LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t En, uint8_t Rw,
uint8_t Rs, uint8_t d4, uint8_t d5,
uint8_t d6, uint8_t d7 )
{
config(lcd_Addr, En, Rw, Rs, d4, d5, d6, d7);
}
LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t En, uint8_t Rw,
uint8_t Rs, uint8_t d4, uint8_t d5,
uint8_t d6, uint8_t d7, uint8_t backlighPin,
t_backlighPol pol = POSITIVE )
{
config(lcd_Addr, En, Rw, Rs, d4, d5, d6, d7);
setBacklightPin(backlighPin, pol);
}
// PUBLIC METHODS
// ---------------------------------------------------------------------------
//
// begin
void LiquidCrystal_I2C::begin(uint8_t cols, uint8_t lines, uint8_t dotsize)
{
init(); // Initialise the I2C expander interface
LCD::begin ( cols, lines, dotsize );
}
// User commands - users can expand this section
//----------------------------------------------------------------------------
// Turn the (optional) backlight off/on
//
// setBacklightPin
void LiquidCrystal_I2C::setBacklightPin ( uint8_t value, t_backlighPol pol = POSITIVE )
{
_backlightPinMask = ( 1 << value );
_polarity = pol;
setBacklight(BACKLIGHT_OFF);
}
//
// setBacklight
void LiquidCrystal_I2C::setBacklight( uint8_t value )
{
// Check if backlight is available
// ----------------------------------------------------
if ( _backlightPinMask != 0x0 )
{
// Check for polarity to configure mask accordingly
// ----------------------------------------------------------
if (((_polarity == POSITIVE) && (value > 0)) ||
((_polarity == NEGATIVE ) && ( value == 0 )))
{
_backlightStsMask = _backlightPinMask & LCD_BACKLIGHT;
}
else
{
_backlightStsMask = _backlightPinMask & LCD_NOBACKLIGHT;
}
_i2cio.write( _backlightStsMask );
}
}
// PRIVATE METHODS
// ---------------------------------------------------------------------------
//
// init
int LiquidCrystal_I2C::init()
{
int status = 0;
// initialize the backpack IO expander
// and display functions.
// ------------------------------------------------------------------------
if ( _i2cio.begin ( _Addr ) == 1 )
{
_i2cio.portMode ( OUTPUT ); // Set the entire IO extender to OUTPUT
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
status = 1;
_i2cio.write(0); // Set the entire port to LOW
}
return ( status );
}
//
// config
void LiquidCrystal_I2C::config (uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 )
{
_Addr = lcd_Addr;
_backlightPinMask = 0;
_backlightStsMask = LCD_NOBACKLIGHT;
_polarity = POSITIVE;
_En = ( 1 << En );
_Rw = ( 1 << Rw );
_Rs = ( 1 << Rs );
// Initialise pin mapping
_data_pins[0] = ( 1 << d4 );
_data_pins[1] = ( 1 << d5 );
_data_pins[2] = ( 1 << d6 );
_data_pins[3] = ( 1 << d7 );
}
// low level data pushing commands
//----------------------------------------------------------------------------
//
// send - write either command or data
void LiquidCrystal_I2C::send(uint8_t value, uint8_t mode)
{
// No need to use the delay routines since the time taken to write takes
// longer that what is needed both for toggling and enable pin an to execute
// the command.
if ( mode == FOUR_BITS )
{
write4bits( (value & 0x0F), COMMAND );
}
else
{
write4bits( (value >> 4), mode );
write4bits( (value & 0x0F), mode);
}
}
//
// write4bits
void LiquidCrystal_I2C::write4bits ( uint8_t value, uint8_t mode )
{
uint8_t pinMapValue = 0;
// Map the value to LCD pin mapping
// --------------------------------
for ( uint8_t i = 0; i < 4; i++ )
{
if ( ( value & 0x1 ) == 1 )
{
pinMapValue |= _data_pins[i];
}
value = ( value >> 1 );
}
// Is it a command or data
// -----------------------
if ( mode == DATA )
{
mode = _Rs;
}
pinMapValue |= mode | _backlightStsMask;
pulseEnable ( pinMapValue );
}
//
// pulseEnable
void LiquidCrystal_I2C::pulseEnable (uint8_t data)
{
_i2cio.write (data | _En); // En HIGH
_i2cio.write (data & ~_En); // En LOW
}

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal_I2C.h
// This file implements a basic liquid crystal library that comes as standard
// in the Arduino SDK but using an I2C IO extension board.
//
// @brief
// This is a basic implementation of the LiquidCrystal library of the
// Arduino SDK. The original library has been reworked in such a way that
// this class implements the all methods to command an LCD based
// on the Hitachi HD44780 and compatible chipsets using I2C extension
// backpacks such as the I2CLCDextraIO with the PCF8574* I2C IO Expander ASIC.
//
// The functionality provided by this class and its base class is identical
// to the original functionality of the Arduino LiquidCrystal library.
//
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#ifndef LiquidCrystal_I2C_h
#define LiquidCrystal_I2C_h
#include <inttypes.h>
#include <Print.h>
#include "I2CIO.h"
#include "LCD.h"
class LiquidCrystal_I2C : public LCD
{
public:
/*!
@method
@abstract Class constructor.
@discussion Initializes class variables and defines the I2C address of the
LCD. The constructor does not initialize the LCD.
@param lcd_Addr[in] I2C address of the IO expansion module. For I2CLCDextraIO,
the address can be configured using the on board jumpers.
*/
LiquidCrystal_I2C (uint8_t lcd_Addr);
// Constructor with backlight control
LiquidCrystal_I2C (uint8_t lcd_Addr, uint8_t backlighPin, t_backlighPol pol);
/*!
@method
@abstract Class constructor.
@discussion Initializes class variables and defines the I2C address of the
LCD. The constructor does not initialize the LCD.
@param lcd_Addr[in] I2C address of the IO expansion module. For I2CLCDextraIO,
the address can be configured using the on board jumpers.
@param En[in] LCD En (Enable) pin connected to the IO extender module
@param Rw[in] LCD Rw (Read/write) pin connected to the IO extender module
@param Rs[in] LCD Rs (Reset) pin connected to the IO extender module
*/
LiquidCrystal_I2C( uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs);
// Constructor with backlight control
LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t backlighPin, t_backlighPol pol);
/*!
@method
@abstract Class constructor.
@discussion Initializes class variables and defines the I2C address of the
LCD. The constructor does not initialize the LCD.
@param lcd_Addr[in] I2C address of the IO expansion module. For I2CLCDextraIO,
the address can be configured using the on board jumpers.
@param En[in] LCD En (Enable) pin connected to the IO extender module
@param Rw[in] LCD Rw (Read/write) pin connected to the IO extender module
@param Rs[in] LCD Rs (Reset) pin connected to the IO extender module
@param d4[in] LCD data 0 pin map on IO extender module
@param d5[in] LCD data 1 pin map on IO extender module
@param d6[in] LCD data 2 pin map on IO extender module
@param d7[in] LCD data 3 pin map on IO extender module
*/
LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 );
// Constructor with backlight control
LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
uint8_t backlighPin, t_backlighPol pol);
/*!
@function
@abstract LCD initialization and associated HW.
@discussion Initializes the LCD to a given size (col, row). This methods
initializes the LCD, therefore, it MUST be called prior to using any other
method from this class or parent class.
The begin method can be overloaded if necessary to initialize any HW that
is implemented by a library and can't be done during construction, here
we use the Wire class.
@param cols[in] the number of columns that the display has
@param rows[in] the number of rows that the display has
@param charsize[in] size of the characters of the LCD: LCD_5x8DOTS or
LCD_5x10DOTS.
*/
virtual void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS);
/*!
@function
@abstract Send a particular value to the LCD.
@discussion Sends a particular value to the LCD for writing to the LCD or
as an LCD command.
Users should never call this method.
@param value[in] Value to send to the LCD.
@param mode[in] DATA - write to the LCD CGRAM, COMMAND - write a
command to the LCD.
*/
virtual void send(uint8_t value, uint8_t mode);
/*!
@function
@abstract Sets the pin to control the backlight.
@discussion Sets the pin in the device to control the backlight. This device
doesn't support dimming backlight capability.
@param 0: backlight off, 1..255: backlight on.
*/
void setBacklightPin ( uint8_t value, t_backlighPol pol );
/*!
@function
@abstract Switch-on/off the LCD backlight.
@discussion Switch-on/off the LCD backlight.
The setBacklightPin has to be called before setting the backlight for
this method to work. @see setBacklightPin.
@param value: backlight mode (HIGH|LOW)
*/
void setBacklight ( uint8_t value );
private:
/*!
@method
@abstract Initializes the LCD class
@discussion Initializes the LCD class and IO expansion module.
*/
int init();
/*!
@function
@abstract Initialises class private variables
@discussion This is the class single point for initialising private variables.
@param lcd_Addr[in] I2C address of the IO expansion module. For I2CLCDextraIO,
the address can be configured using the on board jumpers.
@param En[in] LCD En (Enable) pin connected to the IO extender module
@param Rw[in] LCD Rw (Read/write) pin connected to the IO extender module
@param Rs[in] LCD Rs (Reset) pin connected to the IO extender module
@param d4[in] LCD data 0 pin map on IO extender module
@param d5[in] LCD data 1 pin map on IO extender module
@param d6[in] LCD data 2 pin map on IO extender module
@param d7[in] LCD data 3 pin map on IO extender module
*/
void config (uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 );
/*!
@method
@abstract Writes an 4 bit value to the LCD.
@discussion Writes 4 bits (the least significant) to the LCD control data lines.
@param value[in] Value to write to the LCD
@param more[in] Value to distinguish between command and data.
COMMAND == command, DATA == data.
*/
void write4bits(uint8_t value, uint8_t mode);
/*!
@method
@abstract Pulse the LCD enable line (En).
@discussion Sends a pulse of 1 uS to the Enable pin to execute an command
or write operation.
*/
void pulseEnable(uint8_t);
uint8_t _Addr; // I2C Address of the IO expander
uint8_t _backlightPinMask; // Backlight IO pin mask
uint8_t _backlightStsMask; // Backlight status mask
I2CIO _i2cio; // I2CIO PCF8574* expansion module driver I2CLCDextraIO
uint8_t _En; // LCD expander word for enable pin
uint8_t _Rw; // LCD expander word for R/W pin
uint8_t _Rs; // LCD expander word for Register Select pin
uint8_t _data_pins[4]; // LCD data lines
};
#endif

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal_SR.h
// Connects an LCD using 2 or 3 pins from the Arduino, via an 8-bit
// ShiftRegister (SR from now on).
//
// @brief
// This is a port of the ShiftRegLCD library from raron and ported to the
// LCD library.
//
// The functionality provided by this class and its base class is identical
// to the original functionality of the Arduino LiquidCrystal library and can
// be used as such.
//
// Modified to work serially with the shiftOut() function, an 8-bit
// unlatched, no-tristate, unidirectional SIPO (Serial-In-Parallel-Out)
// shift register (IE a very simple SR), and an LCD in 4-bit mode.
// Any such shift register should do (pref. 74LS family IC's for 2-wire).
// I used 74LS164, for the reason that's what I had at hand.
//
// Connection description:
//
// SR output:
// Bit #0 - N/C - not connected, used to hold a zero
// Bit #1 - N/C
// Bit #2 - connects to RS (Register Select) on the LCD
// Bits #3-6 - connects to LCD data inputs D4 - D7.
// Bit #7 - enables the LCD enable-puls (via the diode-resistor AND "gate")
//
// 2 or 3 Pins required from the Arduino for Data, Clock and (optional) Enable
// If not using Enable, the Data pin is used for the enable signal by defining
// the same pin for Enable as for Data. Data and Clock outputs/pins goes to
// the shiftregister.
// LCD RW-pin hardwired to LOW (only writing to LCD).
// Busy Flag (BF, data bit D7) is not read.
//
// Original project homepage: http://code.google.com/p/arduinoshiftreglcd/
//
//
// History
// 2012.03.29 bperrybap - Added delays for faster fio shiftout (it got too fast)
// AVR needed delay. cmd/write delays are based on CPU speed so it works on pic32.
// Added code to support indicating two wire mode by using enable=data pin
// (documentation indicated this as working)
// Fixed incorrect use of 5x10 for default font - now matches original LQ library.
// can now eliminate enable pin in constructor for two wire mode.
// 2012.01.16 Florian Fida - faster digitalWrite/shiftOut
// 2011.10.29 fmalpartida - adaption of the library to the LCD class hierarchy.
// 2011.07.02 Fixed a minor flaw in setCursor function. No functional change,
// just a bit more memory efficient.
// Thanks to CapnBry (from google code and github) who noticed it.
// URL to his version of shiftregLCD:
// https://github.com/CapnBry/HeaterMeter/commit/c6beba1b46b092ab0b33bcbd0a30a201fd1f28c1
// 2009.07.30 raron - minor corrections to the comments.
// Fixed timing to datasheet safe. Fixed keyword highlights.
// 2009.07.28 Mircho / raron - a new modification to the schematics, and a
// more streamlined interface
// 2009.07.27 Thanks to an excellent suggestion from mircho at the Arduino
// playgrond forum, the number of wires now required is only two!
// 2009.07.25 raron - Fixed comments. I really messed up the comments before
// posting this, so I had to fix it.
// Renamed a function, but no improvements or functional changes.
// 2009.07.23 Incorporated some proper initialization routines
// inspired (lets say copy-paste-tweaked) from LiquidCrystal
// library improvements from LadyAda.
// 2009.05.23 raron - first version, but based mostly (as in almost verbatim)
// on the "official" LiquidCrystal library.
//
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#if (ARDUINO < 100)
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include "LiquidCrystal_SR.h"
#include "FastIO.h"
// CONSTRUCTORS
// ---------------------------------------------------------------------------
// Assuming 1 line 8 pixel high font
LiquidCrystal_SR::LiquidCrystal_SR (uint8_t srdata, uint8_t srclock,
uint8_t enable )
{
init ( srdata, srclock, enable, 1, 0 );
}
// PRIVATE METHODS
// ---------------------------------------------------------------------------
//
// init
void LiquidCrystal_SR::init(uint8_t srdata, uint8_t srclock, uint8_t enable,
uint8_t lines, uint8_t font)
{
// Initialise private variables
_two_wire = 0;
_srDataRegister = fio_pinToOutputRegister(srdata);
_srDataBit = fio_pinToBit(srdata);
_srClockRegister = fio_pinToOutputRegister(srclock);
_srClockBit = fio_pinToBit(srclock);
if ((enable == TWO_WIRE) || (enable == srdata))
{
_two_wire = 1;
_srEnableRegister = _srDataRegister;
_srEnableBit = _srDataBit;
}
else
{
_srEnableRegister = fio_pinToOutputRegister(enable);
_srEnableBit = fio_pinToBit(enable);
}
// Configure control pins as outputs
// ------------------------------------------------------------------------
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
}
//
// shiftIt
void LiquidCrystal_SR::shiftIt(uint8_t val)
{
if (_two_wire)
{
// Clear to get Enable LOW
fio_shiftOut(_srDataRegister, _srDataBit, _srClockRegister, _srClockBit);
}
fio_shiftOut(_srDataRegister, _srDataBit, _srClockRegister, _srClockBit, val, MSBFIRST);
// LCD ENABLE PULSE
//
// While this library is written with a shift register without an output
// latch in mind, it can work in 3-wire mode with a shiftregister with a
// latch. The shiftregister latch pin (STR, RCL or similar) is then
// connected to the LCD enable pin. The LCD is (very likely) slower
// to read the Enable pulse, and then reads the new contents of the SR.
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
fio_digitalWrite_HIGH(_srEnableRegister, _srEnableBit);
waitUsec (1); // enable pulse must be >450ns
fio_digitalWrite_SWITCHTO(_srEnableRegister, _srEnableBit, LOW);
} // end critical section
}
// PUBLIC METHODS
// ---------------------------------------------------------------------------
/************ low level data pushing commands **********/
//
// send
void LiquidCrystal_SR::send(uint8_t value, uint8_t mode)
{
// Divide byte in two nibbles include the RS signal
// and format it for shiftregister output wiring to the LCD
// We are only interested in my COMMAND or DATA for myMode
uint8_t myMode = ( mode == DATA ) ? SR_RS_BIT : 0; // RS bit; LOW: command. HIGH: character.
if ( mode != FOUR_BITS )
{
shiftIt(myMode | SR_EN_BIT | ((value >> 1) & 0x78)); // upper nibble
}
shiftIt(myMode | SR_EN_BIT | ((value << 3) & 0x78)); // lower nibble
/*
* Add some delay since this code is so fast it needs some added delay
* even on AVRs because the shiftout is shorter than the LCD command execution time.
*/
#if (F_CPU <= 16000000)
if(_two_wire)
delayMicroseconds ( 10 );
else
delayMicroseconds ( 17 ); // 3 wire mode is faster so it must delay longer
#else
delayMicroseconds ( 37 ); // commands & data writes need > 37us to complete
#endif
}
//
// setBacklightPin
void LiquidCrystal_SR::setBacklightPin ( uint8_t pin, t_backlighPol pol )
{ }
//
// setBacklight
void LiquidCrystal_SR::setBacklight ( uint8_t mode )
{ }

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 20/08/11.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal_SR.h
// Connects an LCD using 2 or 3 pins from the Arduino, via an 8-bit
// ShiftRegister (SR from now on).
//
// @brief
// This is a port of the ShiftRegLCD library from raron and ported to the
// LCD library.
//
// The functionality provided by this class and its base class is identical
// to the original functionality of the Arduino LiquidCrystal library and can
// be used as such.
//
// Modified to work serially with the shiftOut() function, an 8-bit
// unlatched, no-tristate, unidirectional SIPO (Serial-In-Parallel-Out)
// shift register (IE a very simple SR), and an LCD in 4-bit mode.
// Any such shift register should do (pref. 74LS family IC's for 2-wire).
// I used 74LS164, for the reason that's what I had at hand.
//
// Connection description:
//
// SR output:
// Bit #0 - N/C - not connected, used to hold a zero
// Bit #1 - N/C
// Bit #2 - connects to RS (Register Select) on the LCD
// Bits #3-6 - connects to LCD data inputs D4 - D7.
// Bit #7 - enables the LCD enable-puls (via the diode-resistor AND "gate")
//
// 2 or 3 Pins required from the Arduino for Data, Clock and (optional) Enable
// If not using Enable, the Data pin will be used for the enable signal.
// 2 wire mode can be indicated by:
// - ommitting the enable pin in constructor
// - defining the same pin for Enable as for Data in constructor
// - by using the token TWO_WIRE for the enable pin.
//
// Data and Clock outputs/pins goes to the shiftregister.
// LCD RW-pin hardwired to LOW (only writing to LCD).
// Busy Flag (BF, data bit D7) is not read.
//
// Original project homepage: http://code.google.com/p/arduinoshiftreglcd/
//
//
// History
// 2012.03.29 bperrybap - can now eliminate enable pin in constructor for two wire mode.
// 2011.10.29 fmalpartida - adaption of the library to the LCD class hierarchy.
// 2011.07.02 Fixed a minor flaw in setCursor function. No functional change,
// just a bit more memory efficient.
// Thanks to CapnBry (from google code and github) who noticed it.
// URL to his version of shiftregLCD:
// https://github.com/CapnBry/HeaterMeter/commit/c6beba1b46b092ab0b33bcbd0a30a201fd1f28c1
// 2009.07.30 raron - minor corrections to the comments.
// Fixed timing to datasheet safe. Fixed keyword highlights.
// 2009.07.28 Mircho / raron - a new modification to the schematics, and a
// more streamlined interface
// 2009.07.27 Thanks to an excellent suggestion from mircho at the Arduiono
// playgrond forum, the number of wires now required is only two!
// 2009.07.25 raron - Fixed comments. I really messed up the comments before
// posting this, so I had to fix it.
// Renamed a function, but no improvements or functional changes.
// 2009.07.23 Incorporated some proper initialization routines
// inspired (lets say copy-paste-tweaked) from LiquidCrystal
// library improvements from LadyAda.
// 2009.05.23 raron - first version, but based mostly (as in almost verbatim)
// on the "official" LiquidCrystal library.
//
//
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#ifndef _LIQUIDCRYSTAL_SR_
#define _LIQUIDCRYSTAL_SR_
#include <inttypes.h>
#include "LCD.h"
#include "FastIO.h"
// two-wire indicator constant
// ---------------------------------------------------------------------------
#define TWO_WIRE 204
#define SR_RS_BIT 0x04
#define SR_EN_BIT 0x80
class LiquidCrystal_SR : public LCD
{
public:
/*!
@method
@abstract LCD SHIFT REGISTER constructors.
@discussion Defines the pin assignment that the LCD will have.
The constructor does not initialize the LCD. Assuming 1 line 8 pixel high
font.
@param srdata[in] pin for shiftregister data line.
@param srclock[in] pin for shiftregister clock line.
@param enable[in] optional direct enable pin for the LCD
*/
LiquidCrystal_SR ( uint8_t srdata, uint8_t srclock, uint8_t enable=TWO_WIRE );
/*!
@function
@abstract Send a particular value to the LCD.
@discussion Sends a particular value to the LCD for writing to the LCD or
as an LCD command using the shift register.
Users should never call this method.
@param value[in] Value to send to the LCD.
@result mode LOW - write to the LCD CGRAM, HIGH - write a command to
the LCD.
*/
virtual void send(uint8_t value, uint8_t mode);
/*!
@function
@abstract Sets the pin to control the backlight.
@discussion Sets the pin in the device to control the backlight.
@warning Currently not supported
@param mode: backlight mode (HIGH|LOW)
@param pol: backlight polarity
*/
void setBacklightPin ( uint8_t pin, t_backlighPol pol );
/*!
@function
@abstract Switch-on/off the LCD backlight.
@discussion Switch-on/off the LCD backlight.
The setBacklightPin has to be called before setting the backlight for
this method to work. @see setBacklightPin.
@param mode: backlight mode (HIGH|LOW)
*/
void setBacklight ( uint8_t mode );
private:
/*!
@method
@abstract Initializes the LCD pin allocation
@discussion Initializes the LCD pin allocation and configuration.
*/
void init ( uint8_t srdata, uint8_t srclock, uint8_t enable, uint8_t lines,
uint8_t font );
/*!
* @method
* @abstract takes care of shifting and the enable pulse
*/
void shiftIt (uint8_t val);
uint8_t _enable_pin; // Enable Pin
uint8_t _two_wire; // two wire mode
fio_register _srDataRegister; // Serial Data pin
fio_bit _srDataBit;
fio_register _srClockRegister; // Clock Pin
fio_bit _srClockBit;
fio_register _srEnableRegister; // Enable Pin
fio_bit _srEnableBit;
};
#endif

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// ---------------------------------------------------------------------------
// Created/Adapted by Bill Perry 2012-03-16
// Copyright 2012 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal_SR2W.cpp
// Connects a hd44780 LCD using 2 pins from the Arduino, via an 8-bit
// ShiftRegister (SR2W from now on).
//
// @brief
// This is a port of the ShiftRegLCD library from raron and ported to the
// LCD library.
//
//
// See the corresponding SR2W header file for full details.
//
// History
// 2012.03.29 bperrybap - Fixed incorrect use of 5x10 for default font
// (now matches original LQ library)
// Fixed typo in SR2W mask define names
// changed default backlight state to on
// 2012.03.16 bperrybap - created/modified from SR sources to create SR2W
// @author B. Perry - bperrybap@opensource.billsworld.billandterrie.com
// ---------------------------------------------------------------------------
#include "LiquidCrystal_SR2W.h"
// CONSTRUCTORS
// ---------------------------------------------------------------------------
// Assuming 1 line 8 pixel high font
LiquidCrystal_SR2W::LiquidCrystal_SR2W (uint8_t srdata, uint8_t srclock, t_backlighPol blpol)
{
init ( srdata, srclock, blpol, 1, 0 );
}
// PRIVATE METHODS
// ---------------------------------------------------------------------------
//
// init
void LiquidCrystal_SR2W::init(uint8_t srdata, uint8_t srclock, t_backlighPol blpol, uint8_t lines, uint8_t font)
{
_srDataRegister = fio_pinToOutputRegister(srdata);
_srDataMask = fio_pinToBit(srdata);
_srClockRegister = fio_pinToOutputRegister(srclock);
_srClockMask = fio_pinToBit(srclock);
_blPolarity = blpol;
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
backlight(); // set default backlight state to on
}
//
// loadSR
void LiquidCrystal_SR2W::loadSR(uint8_t val)
{
// Clear to keep Enable LOW while clocking in new bits
fio_shiftOut(_srDataRegister, _srDataMask, _srClockRegister, _srClockMask);
// clock out SR data byte
fio_shiftOut(_srDataRegister, _srDataMask, _srClockRegister, _srClockMask, val, MSBFIRST);
// strobe LCD enable which can now be toggled by the data line
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
fio_digitalWrite_HIGH(_srDataRegister, _srDataMask);
waitUsec (1); // enable pulse must be >450ns
fio_digitalWrite_SWITCHTO(_srDataRegister, _srDataMask, LOW);
} // end critical section
}
// PUBLIC METHODS
// ---------------------------------------------------------------------------
/************ low level data pushing commands **********/
//
// send
void LiquidCrystal_SR2W::send(uint8_t value, uint8_t mode)
{
uint8_t myMode = ( mode == DATA ) ? SR2W_RS_MASK : 0;
myMode = myMode | SR2W_EN_MASK | _blMask;
if ( mode != FOUR_BITS )
{
loadSR(myMode | ((value >> 1) & SR2W_DATA_MASK)); // upper nibble
}
loadSR(myMode | ((value << 3) & SR2W_DATA_MASK)); // lower nibble
/*
* Don't call waitUsec()
* do our own delay optmization since this code is so fast it needs some added delay
* even on slower AVRs.
*/
#if (F_CPU <= 16000000)
delayMicroseconds ( 10 ); // commands & data writes need > 37us to complete
#else
delayMicroseconds ( 37 ); // commands & data writes need > 37us to complete
#endif
}
//
// setBacklight
void LiquidCrystal_SR2W::setBacklight ( uint8_t value )
{
// Check for polarity to configure mask accordingly
// ----------------------------------------------------------
if ( ((_blPolarity == POSITIVE) && (value > 0)) ||
((_blPolarity == NEGATIVE ) && ( value == 0 )) )
{
_blMask = SR2W_BL_MASK;
}
else
{
_blMask = 0;
}
// send dummy data of blMask to set BL pin
// Note: loadSR() will strobe the data line trying to pulse EN
// but E will not strobe because the EN output bit is not set.
loadSR(_blMask);
}

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// ---------------------------------------------------------------------------
// Created/Adapted by Bill Perry 2012-03-16
// Copyright 2012 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// @file LiquidCrystal_SR2W.h
// Connects a hd44780 LCD using 2 pins from the Arduino, via an 8-bit
// ShiftRegister (SR2W from now on).
//
// @brief
// This is the 2 wire shift register interface class for the LCD library
//
// The functionality provided by this class and its base class is a superset of
// the original functionality of the Arduino LiquidCrystal library and can
// be used as such.
// See the LCD class for a full description of the API functions available.
//
// It works with a 8-bit unlatched, no-tristate, unidirectional SIPO (Serial-In-Parallel-Out)
// shift register (IE a very simple SR), and an hd44780 LCD in 4-bit mode.
// Any such shift register should do (pref. 74LS family IC's for 2-wire).
// 74LS164 and 74HC595 have been exstensively tested.
//
//
// 2 Pins required from the Arduino:
// - Data/Enable
// - Clock
// The Data pin is also used to control the enable signal
// LCD RW-pin hardwired to LOW (only writing to LCD).
// Busy Flag (BF, data bit D7) is not read.
//
// Original project homepage: http://code.google.com/p/arduinoshiftreglcd/
//
// Shift register bits
// Bit #0 - (cannot be used on 74HC595)
// Bit #1 - optional backlight control
// Bit #2 - connects to RS (Register Select) on the LCD
// Bit #3 - connects to LCD data inputs D4
// Bit #4 - connects to LCD data inputs D5
// Bit #5 - connects to LCD data inputs D6
// Bit #6 - connects to LCD data inputs D7
// Bit #7 - enables the LCD enable-puls (via the diode-resistor AND "gate")
//
// Wiring for a 74LS164
// ---------------------
// 1k/4.7k
// +--------[ Resistor ]--------+---(LCD Enable)
// | |
// | 74LS164 (VCC) |
// | +----u----+ | _V_ diode
// (data pin)---+---+--1-|A VCC|-14-+ |
// | | | |
// +--2-|B Q7|-13------+
// 3-|Q0 Q6|-12--(LCD D7)
// (BL Circuit)--------4-|Q1 Q5|-11--(LCD D6)
// (LCD RS)------------5-|Q2 Q4|-10--(LCD D5)
// (LCD D4)------------6-|Q3 /MR|--9--(VCC)
// +-7-|GND CP|--8--(clock pin)
// | +---------+
// | 0.1uf
// (gnd)-----||----(vcc)
//
// Wiring for a 74HC595
// --------------------
// NOTE: the 74HC595 is a latching shift register. In order to get it to operate
// in a "non latching" mode, RCLK and SCLK are tied together. The side effect of this
// is that the latched output is one clock behind behind the internal shift register bits.
// To compensate for this the wiring is offset by one bit position lower.
// For example, while the backlight is hooked to Q0 it is still using bit 1 of
// of the shift register because the outputs are 1 clock behind the real internal shift
// register.
//
// 74HC595 (VCC)
// +----u----+ | +-----------------------(BL circuit)
// (LCD RS)------------1-|Q1 VCC|-16-+ | +--------------------(data pin)
// (LCD D4)------------2-|Q2 Q0|-15----+ | 1k/4.7k
// (LCD D5)------------3-|Q3 SER|-14-------+---[ Resistor ]--+--(LCD Enable)
// (LCD D6)------------4-|Q4 /OE|-13--(gnd) |
// (LCD D7)------------5-|Q5 RCLK|-12-------+ |
// | | | |
// +------6-|Q6 SCLK|-11-------+--(clock pin) |
// | 7-|Q7 /MR|-10--(VCC) |
// | +-8-|GND Q6'|--9 |
// | | +---------+ diode _V_
// | | 0.1uf |
// | (gnd)-----||----(vcc) |
// +-----------------------------------------------+
//
//
// Backlight Control circuit
// -------------------------
// Because the shift resiter is not latching the outputs, the backlight circuitry
// will "see" the output bits as they are shifted into the shift register which
// can cause the backlight to flicker rather than remain constantly on/off.
// The circuit below slows down the transitions to the transistor to remove
// the visible flicker. When the BL input is HIGH the LCD backlight will turn on.
//
// (value depends on LCD, 100ohm is usually safe)
// (LCD BL anode)---[ resistor ]---(vcc)
//
// (LCD BL cathode)-------------------------------+
// |
// D
// |
// (BL input)----[ 4.7k Resistor ]----+-------G-|-< (2N7000 FET)
// | |
// (0.1uf) = S
// | |
// (gnd) (gnd)
//
//
//
//
// History
// 2012.03.16 bperrybap - creation/adaption from SR header to create SR2W header.
// Fixed typo in SR2W mask define names
// @author B. Perry - bperrybap@opensource.billsworld.billandterrie.com
// --------------------------------------------------------------------------------
#ifndef _LIQUIDCRYSTAL_SR2W_
#define _LIQUIDCRYSTAL_SR2W_
#include <inttypes.h>
#include "LCD.h"
#include "FastIO.h"
// two-wire SR output bit constants
// ---------------------------------------------------------------------------
#define SR2W_BL_MASK 0x02
#define SR2W_RS_MASK 0x04
#define SR2W_DATA_MASK 0x78 // data bits are hard coded to be SR bits 6,5,4,3
#define SR2W_EN_MASK 0x80 // cannot ever be changed
class LiquidCrystal_SR2W : public LCD
{
public:
/*!
@method
@abstract LCD 2 wire SHIFT REGISTER constructor.
@discussion Defines the pin assignments that connect to the shift register.
The constructor does not initialize the LCD. Assuming 1 line 8 pixel high
font.
@param srdata[in] Arduino pin for shift register data line.
@param srclock[in] Arduino pin for shift register clock line.
@param blpol[in] optional backlight polarity (default = POSITIVE)
*/
LiquidCrystal_SR2W (uint8_t srdata, uint8_t srclock, t_backlighPol blpol = POSITIVE);
/*!
@function
@abstract Send a particular value to the LCD.
@discussion Sends a particular value to the LCD for writing to the LCD or
as an LCD command using the shift register.
Users should never call this method.
@param value[in] Value to send to the LCD.
@param mode[in] DATA=8bit data, COMMAND=8bit cmd, FOUR_BITS=4bit cmd
the LCD.
*/
virtual void send(uint8_t value, uint8_t mode);
/*!
@function
@abstract Switch-on/off the LCD backlight.
@discussion Switch-on/off the LCD backlight.
The setBacklightPin has to be called before setting the backlight for
this method to work. @see setBacklightPin.
@param mode[in] backlight mode (0 off, non-zero on)
*/
void setBacklight ( uint8_t mode );
private:
/*!
@method
@abstract Initializes the LCD pin allocation
@discussion Initializes the LCD pin allocation and configuration.
*/
void init ( uint8_t srdata, uint8_t srclock, t_backlighPol blpol, uint8_t lines, uint8_t font );
/*!
* @method
* @abstract takes care of shifting and the enable pulse
*/
void loadSR (uint8_t val);
fio_register _srDataRegister; // Serial Data pin
fio_bit _srDataMask;
fio_register _srClockRegister; // Clock Pin
fio_bit _srClockMask;
uint8_t _blPolarity;
uint8_t _blMask;
};
#endif

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 7.3.2012.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal_SRG.h
// This file implements a basic liquid crystal library that comes as standard
// in the Arduino SDK but using a generic SHIFT REGISTER extension board.
//
// @brief
// This is a basic implementation of the LiquidCrystal library of the
// Arduino SDK. The original library has been reworked in such a way that
// this class implements the all methods to command an LCD based
// on the Hitachi HD44780 and compatible chipsets using a 3 wire latching
// shift register. While it has been tested with a 74HC595N shift register
// it should also work with other latching shift registers such as the MC14094
// and the HEF4094
//
// This particular driver has been created as generic as possible to enable
// users to configure and connect their LCDs using just 3 digital IOs from the
// AVR or Arduino, and connect the LCD to the outputs of the shiftregister
// in any configuration. The library is configured by passing the IO pins
// that control the strobe, data and clock of the shift register and a map
// of how the shiftregister is connected to the LCD.
//
//
// +--------------------------------------------+
// | MCU |
// | IO1 IO2 IO3 |
// +----+-------------+-------------+-----------+
// | | |
// | | |
// +----+-------------+-------------+-----------+
// | Strobe Data Clock |
// | 8-bit shift/latch register | 74HC595N
// | Qa0 Qb1 Qc2 Qd3 Qe4 Qf5 Qg6 Qh7 |
// +----+----+----+----+----+----+----+----+----+
// | | | | | | |
// |11 |12 |13 |14 |6 |5 |4 (LCD pins)
// +----+----+----+----+----+----+----+----+----+
// | DB4 DB5 DB6 DB7 E Rw RS |
// | LCD Module |
//
// NOTE: Rw is not used by the driver so it can be connected to GND.
//
// The functionality provided by this class and its base class is identical
// to the original functionality of the Arduino LiquidCrystal library.
//
//
// History
// 2012.03.29 bperrybap - fixed constructors not properly using Rs
// Fixed incorrect use of 5x10 for default font
// - now matches original LQ library.
// moved delay to send() so it is per cmd/write vs shiftout()
// NOTE: delay is on hairy edge of working when FAST_MODE is on.
// because of waitUsec().
// There is margin at 16Mhz AVR but might fail on 20Mhz AVRs.
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
// flags for backlight control
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#if (ARDUINO < 100)
#include <WProgram.h>
#else
#include <Arduino.h>
#endif
#include "LiquidCrystal_SR3W.h"
#include "FastIO.h"
/*!
@defined
@abstract LCD_NOBACKLIGHT
@discussion No BACKLIGHT MASK
*/
#define LCD_NOBACKLIGHT 0x00
/*!
@defined
@abstract LCD_BACKLIGHT
@discussion BACKLIGHT MASK used when backlight is on
*/
#define LCD_BACKLIGHT 0xFF
// Default library configuration parameters used by class constructor with
// only the I2C address field.
// ---------------------------------------------------------------------------
/*!
@defined
@abstract Enable bit of the LCD
@discussion Defines the IO of the expander connected to the LCD's Enable
*/
#define EN 4 // Enable bit
/*!
@defined
@abstract Read/Write bit of the LCD
@discussion Defines the IO of the expander connected to the LCD's Rw pin
*/
#define RW 5 // Read/Write bit
/*!
@defined
@abstract Register bit of the LCD
@discussion Defines the IO of the expander connected to the LCD's Register select pin
*/
#define RS 6 // Register select bit
/*!
@defined
@abstract LCD dataline allocation this library only supports 4 bit LCD control
mode.
@discussion D4, D5, D6, D7 LCD data lines pin mapping of the extender module
*/
#define D4 0
#define D5 1
#define D6 2
#define D7 3
LiquidCrystal_SR3W::LiquidCrystal_SR3W(uint8_t data, uint8_t clk, uint8_t strobe)
{
init( data, clk, strobe, RS, RW, EN, D4, D5, D6, D7 );
}
LiquidCrystal_SR3W::LiquidCrystal_SR3W(uint8_t data, uint8_t clk, uint8_t strobe,
uint8_t backlighPin, t_backlighPol pol)
{
init( data, clk, strobe, RS, RW, EN, D4, D5, D6, D7 );
setBacklightPin(backlighPin, pol);
}
LiquidCrystal_SR3W::LiquidCrystal_SR3W(uint8_t data, uint8_t clk, uint8_t strobe,
uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 )
{
init( data, clk, strobe, Rs, Rw, En, d4, d5, d6, d7 );
}
LiquidCrystal_SR3W::LiquidCrystal_SR3W(uint8_t data, uint8_t clk, uint8_t strobe,
uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
uint8_t backlighPin, t_backlighPol pol)
{
init( data, clk, strobe, Rs, Rw, En, d4, d5, d6, d7 );
setBacklightPin(backlighPin, pol);
}
void LiquidCrystal_SR3W::send(uint8_t value, uint8_t mode)
{
if ( mode != FOUR_BITS )
{
write4bits( (value >> 4), mode ); // upper nibble
}
write4bits( (value & 0x0F), mode); // lower nibble
#if (F_CPU <= 16000000)
// No need to use the delay routines on AVR since the time taken to write
// on AVR with SR pin mapping even with fio is longer than LCD command execution.
waitUsec(37); //goes away on AVRs
#else
delayMicroseconds ( 37 ); // commands & data writes need > 37us to complete
#endif
}
void LiquidCrystal_SR3W::setBacklightPin ( uint8_t value, t_backlighPol pol = POSITIVE )
{
_backlightPinMask = ( 1 << value );
_backlightStsMask = LCD_NOBACKLIGHT;
_polarity = pol;
setBacklight (BACKLIGHT_OFF); // Set backlight to off as initial setup
}
void LiquidCrystal_SR3W::setBacklight ( uint8_t value )
{
// Check if backlight is available
// ----------------------------------------------------
if ( _backlightPinMask != 0x0 )
{
// Check for polarity to configure mask accordingly
// ----------------------------------------------------------
if (((_polarity == POSITIVE) && (value > 0)) ||
((_polarity == NEGATIVE ) && ( value == 0 )))
{
_backlightStsMask = _backlightPinMask & LCD_BACKLIGHT;
}
else
{
_backlightStsMask = _backlightPinMask & LCD_NOBACKLIGHT;
}
loadSR( _backlightStsMask );
}
}
// PRIVATE METHODS
// -----------------------------------------------------------------------------
int LiquidCrystal_SR3W::init(uint8_t data, uint8_t clk, uint8_t strobe,
uint8_t Rs, uint8_t Rw, uint8_t En,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
{
_data = fio_pinToBit(data);
_clk = fio_pinToBit(clk);
_strobe = fio_pinToBit(strobe);
_data_reg = fio_pinToOutputRegister(data);
_clk_reg = fio_pinToOutputRegister(clk);
_strobe_reg = fio_pinToOutputRegister(strobe);
// LCD pin mapping
_backlightPinMask = 0;
_backlightStsMask = LCD_NOBACKLIGHT;
_polarity = POSITIVE;
_En = ( 1 << En );
_Rw = ( 1 << Rw );
_Rs = ( 1 << Rs );
// Initialise pin mapping
_data_pins[0] = ( 1 << d4 );
_data_pins[1] = ( 1 << d5 );
_data_pins[2] = ( 1 << d6 );
_data_pins[3] = ( 1 << d7 );
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
return (1);
}
void LiquidCrystal_SR3W::write4bits(uint8_t value, uint8_t mode)
{
uint8_t pinMapValue = 0;
// Map the value to LCD pin mapping
// --------------------------------
for ( uint8_t i = 0; i < 4; i++ )
{
if ( ( value & 0x1 ) == 1 )
{
pinMapValue |= _data_pins[i];
}
value = ( value >> 1 );
}
// Is it a command or data
// -----------------------
mode = ( mode == DATA ) ? _Rs : 0;
pinMapValue |= mode | _backlightStsMask;
loadSR ( pinMapValue | _En ); // Send with enable high
loadSR ( pinMapValue); // Send with enable low
}
void LiquidCrystal_SR3W::loadSR(uint8_t value)
{
// Load the shift register with information
fio_shiftOut(_data_reg, _data, _clk_reg, _clk, value, MSBFIRST);
// Strobe the data into the latch
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
fio_digitalWrite_HIGH(_strobe_reg, _strobe);
fio_digitalWrite_SWITCHTO(_strobe_reg, _strobe, LOW);
}
}

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// ---------------------------------------------------------------------------
// Created by Francisco Malpartida on 7.3.2012.
// Copyright 2011 - Under creative commons license 3.0:
// Attribution-ShareAlike CC BY-SA
//
// This software is furnished "as is", without technical support, and with no
// warranty, express or implied, as to its usefulness for any purpose.
//
// Thread Safe: No
// Extendable: Yes
//
// @file LiquidCrystal_SR3W.h
// This file implements a basic liquid crystal library that comes as standard
// in the Arduino SDK but using a generic SHIFT REGISTER extension board.
//
// @brief
// This is a basic implementation of the LiquidCrystal library of the
// Arduino SDK. The original library has been reworked in such a way that
// this class implements the all methods to command an LCD based
// on the Hitachi HD44780 and compatible chipsets using a 3 wire latching
// shift register. While it has been tested with a 74HC595N shift register
// it should also work with other latching shift registers such as the MC14094
// and the HEF4094
//
// This particular driver has been created as generic as possible to enable
// users to configure and connect their LCDs using just 3 digital IOs from the
// AVR or Arduino, and connect the LCD to the outputs of the shiftregister
// in any configuration. The library is configured by passing the IO pins
// that control the strobe, data and clock of the shift register and a map
// of how the shiftregister is connected to the LCD.
//
//
// +--------------------------------------------+
// | MCU |
// | IO1 IO2 IO3 |
// +----+-------------+-------------+-----------+
// | | |
// | | |
// +----+-------------+-------------+-----------+
// | Strobe Data Clock |
// | 8-bit shift/latch register | 74HC595N
// | Qa0 Qb1 Qc2 Qd3 Qe4 Qf5 Qg6 Qh7 |
// +----+----+----+----+----+----+----+----+----+
// | | | | | | |
// |11 |12 |13 |14 |6 |5 |4 (LCD pins)
// +----+----+----+----+----+----+----+----+----+
// | DB4 DB5 DB6 DB7 E Rw RS |
// | LCD Module |
//
// NOTE: Rw is not used by the driver so it can be connected to GND.
//
// The functionality provided by this class and its base class is identical
// to the original functionality of the Arduino LiquidCrystal library.
//
//
// @author F. Malpartida - fmalpartida@gmail.com
// ---------------------------------------------------------------------------
#ifndef _LIQUIDCRYSTAL_SR3W_H_
#define _LIQUIDCRYSTAL_SR3W_H_
#include <inttypes.h>
#include "LCD.h"
#include "FastIO.h"
class LiquidCrystal_SR3W : public LCD
{
public:
/*!
@method
@abstract Class constructor.
@discussion Initializes class variables and defines the IO driving the
shift register. The constructor does not initialize the LCD.
Default configuration:
Shift register LCD
QA - 0 DB4
QB - 1 DB5
QC - 2 DB6
QD - 3 DB7
QE - 4 E
QF - 5
QG - 6 Rs
GND Rw
@param strobe[in] digital IO connected to shiftregister strobe pin.
@param data[in] digital IO connected to the shiftregister data pin.
@param clk[in] digital IO connected to the shiftregister clock pin.
*/
LiquidCrystal_SR3W(uint8_t data, uint8_t clk, uint8_t strobe);
// Constructor with backlight control
LiquidCrystal_SR3W(uint8_t data, uint8_t clk, uint8_t strobe,
uint8_t backlighPin, t_backlighPol pol);
/*!
@method
@abstract Class constructor.
@discussion Initializes class variables and defines the control lines of
the LCD and the shiftregister. The constructor does not initialize the LCD.
@param strobe[in] digital IO connected to shiftregister strobe pin.
@param data[in] digital IO connected to shiftregister data pin.
@param clk[in] digital IO connected to shiftregister clock pin.
@param En[in] LCD En (Enable) pin connected to SR output pin.
@param Rw[in] LCD Rw (Read/write) pin connected to SR output pin.
@param Rs[in] LCD Rs (Reg Select) pin connected to SR output pin.
@param d4[in] LCD data 4 pin map to the SR output pin.
@param d5[in] LCD data 5 pin map to the SR output pin.
@param d6[in] LCD data 6 pin map to the SR output pin.
@param d7[in] LCD data 7 pin map to the SR output pin.
*/
LiquidCrystal_SR3W(uint8_t data, uint8_t clk, uint8_t strobe,
uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 );
// Constructor with backlight control
LiquidCrystal_SR3W( uint8_t data, uint8_t clk, uint8_t strobe,
uint8_t En, uint8_t Rw, uint8_t Rs,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
uint8_t backlighPin, t_backlighPol pol);
/*!
@function
@abstract Send a particular value to the LCD.
@discussion Sends a particular value to the LCD for writing to the LCD or
as an LCD command.
Users should never call this method.
@param value[in] Value to send to the LCD.
@param mode[in] DATA - write to the LCD CGRAM, COMMAND - write a
command to the LCD.
*/
virtual void send(uint8_t value, uint8_t mode);
/*!
@function
@abstract Sets the pin to control the backlight.
@discussion Sets the pin in the device to control the backlight. This device
doesn't support dimming backlight capability.
@param 0: backlight off, 1..255: backlight on.
*/
void setBacklightPin ( uint8_t value, t_backlighPol pol );
/*!
@function
@abstract Switch-on/off the LCD backlight.
@discussion Switch-on/off the LCD backlight.
The setBacklightPin has to be called before setting the backlight for
this method to work. @see setBacklightPin.
@param value: backlight mode (HIGH|LOW)
*/
void setBacklight ( uint8_t value );
private:
/*!
@method
@abstract Initializes the LCD class
@discussion Initializes the LCD class and IO expansion module.
*/
int init(uint8_t data, uint8_t clk, uint8_t strobe,
uint8_t Rs, uint8_t Rw, uint8_t En,
uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
/*!
@method
@abstract Writes an 4 bit value to the LCD.
@discussion Writes 4 bits (the least significant) to the LCD control data lines.
@param value[in] Value to write to the LCD
@param more[in] Value to distinguish between command and data.
COMMAND == command, DATA == data.
*/
void write4bits(uint8_t value, uint8_t mode);
/*!
@function
@abstract load into the shift register a byte
@discussion loads into the shift register a byte
@param value[in]: value to be loaded into the shiftregister.
*/
void loadSR(uint8_t value);
fio_bit _strobe; // shift register strobe pin
fio_register _strobe_reg; // SR strobe pin MCU register
fio_bit _data; // shift register data pin
fio_register _data_reg; // SR data pin MCU register
fio_bit _clk; // shift register clock pin
fio_register _clk_reg; // SR clock pin MCU register
uint8_t _En; // LCD expander word for enable pin
uint8_t _Rw; // LCD expander word for R/W pin
uint8_t _Rs; // LCD expander word for Register Select pin
uint8_t _data_pins[4]; // LCD data lines
uint8_t _backlightPinMask; // Backlight IO pin mask
uint8_t _backlightStsMask; // Backlight status mask
};
#endif

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<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#afb934fc0ded94cbb5ed8ed14e2a123ed">fio_pinToInputRegister</a> (uint8_t pin)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a> (uint8_t pin, uint8_t initial_state)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#a5d8d5977294d614d15bda19f75d6b787">fio_shiftOut</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> dataBit, <a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> dataBit, <a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit, uint8_t value, uint8_t bitOrder)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#a7ac8b242e7e3cacf175e481889e047dd">fio_shiftOut1</a> (uint8_t pin, uint8_t value, boolean noLatch)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#a5b4d1684030dc620938b7c2fbdf5ced8">fio_shiftOut1</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> shift1Register, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> shift1Bit, uint8_t value, boolean noLatch)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#a2d0e4495eb12504255bbd3f82405b17b">fio_shiftOut1_init</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> shift1Register, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> shift1Bit)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">fio_shiftOut1_init</a> (uint8_t pin)</td></tr>
</table>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a83fc2fdc19ab3f9aade9e1a2f39e81a6"></a><!-- doxytag: member="FastIO.cpp::fio_digitalRead" ref="a83fc2fdc19ab3f9aade9e1a2f39e81a6" args="(fio_register pinRegister, uint8_t pinBit)" -->
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<td class="memname">int fio_digitalRead </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>pinRegister</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>pinBit</em>&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>direct digital read without any checks falls back to normal digitalRead if fast io is disabled </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pinRegister[in]</td><td>Register - ignored if fast io is disabled </td></tr>
<tr><td class="paramname">pinBit[in]</td><td>Bit - Pin if fast io is disabled </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Value read from pin </dd></dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00095">95</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="ae91bbe682b02a5842c291055c0e998b5"></a><!-- doxytag: member="FastIO.cpp::fio_digitalWrite" ref="ae91bbe682b02a5842c291055c0e998b5" args="(fio_register pinRegister, fio_bit pinBit, uint8_t value)" -->
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<td class="memname">void fio_digitalWrite </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>pinRegister</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>pinBit</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>direct digital write without any checks falls back to normal digitalWrite if fast io is disabled </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pinRegister[in]</td><td>Register - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">pinBit[in]</td><td>Bit - Pin if fast digital write is disabled </td></tr>
<tr><td class="paramname">value[in]</td><td>desired output </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00076">76</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a07a19dfbdca1afaca5d666bdaa3be7d5"></a><!-- doxytag: member="FastIO.cpp::fio_pinToBit" ref="a07a19dfbdca1afaca5d666bdaa3be7d5" args="(uint8_t pin)" -->
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<td class="memname"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> fio_pinToBit </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em></td><td>)</td>
<td></td>
</tr>
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<div class="memdoc">
<p>Find the bit which belongs to specified pin if fast digitalWrite is disabled this function returns the pin </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Bit </dd></dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00065">65</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="afb934fc0ded94cbb5ed8ed14e2a123ed"></a><!-- doxytag: member="FastIO.cpp::fio_pinToInputRegister" ref="afb934fc0ded94cbb5ed8ed14e2a123ed" args="(uint8_t pin)" -->
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<td class="memname"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> fio_pinToInputRegister </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em></td><td>)</td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>Get the input register for specified pin. if fast digital IO is disabled this function returns NULL </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Register </dd></dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00052">52</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a04210cc785c3b4a11c86f794949c327f"></a><!-- doxytag: member="FastIO.cpp::fio_pinToOutputRegister" ref="a04210cc785c3b4a11c86f794949c327f" args="(uint8_t pin, uint8_t initial_state)" -->
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<td class="memname"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> fio_pinToOutputRegister </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>initial_state</em> = <code>LOW</code>&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</table>
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<div class="memdoc">
<p>Get the output register for specified pin. if fast digital IO is disabled this function returns NULL </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Register </dd></dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00035">35</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a5d8d5977294d614d15bda19f75d6b787"></a><!-- doxytag: member="FastIO.cpp::fio_shiftOut" ref="a5d8d5977294d614d15bda19f75d6b787" args="(fio_register dataRegister, fio_bit dataBit, fio_register clockRegister, fio_bit clockBit)" -->
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<td class="memname">void fio_shiftOut </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>dataRegister</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>dataBit</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>clockRegister</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>clockBit</em>&#160;</td>
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<td>)</td>
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<p>faster shift out clear using fast digital write falls back to normal digitalWrite if fastio is disabled </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dataRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">dataBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
<tr><td class="paramname">clockRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">clockBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00159">159</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a56c72b9f00680662229895ab22aaa743"></a><!-- doxytag: member="FastIO.cpp::fio_shiftOut" ref="a56c72b9f00680662229895ab22aaa743" args="(fio_register dataRegister, fio_bit dataBit, fio_register clockRegister, fio_bit clockBit, uint8_t value, uint8_t bitOrder)" -->
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<td class="memname">void fio_shiftOut </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>dataRegister</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>dataBit</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>clockRegister</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>clockBit</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>bitOrder</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>faster shift out using fast digital write falls back to normal digitalWrite if fastio is disabled </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dataRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">dataBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
<tr><td class="paramname">clockRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">clockBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
<tr><td class="paramname">bitOrder[in]</td><td>bit order </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00108">108</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a7ac8b242e7e3cacf175e481889e047dd"></a><!-- doxytag: member="FastIO.cpp::fio_shiftOut1" ref="a7ac8b242e7e3cacf175e481889e047dd" args="(uint8_t pin, uint8_t value, boolean noLatch)" -->
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<td class="memname">void fio_shiftOut1 </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">boolean&#160;</td>
<td class="paramname"><em>noLatch</em> = <code>false</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>one wire shift out protocol needs initialisation (fio_shiftOut1_init) </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>digital pin </td></tr>
<tr><td class="paramname">value[in]</td><td>value to shift out, last byte is ignored and always shifted out LOW </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00264">264</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a5b4d1684030dc620938b7c2fbdf5ced8"></a><!-- doxytag: member="FastIO.cpp::fio_shiftOut1" ref="a5b4d1684030dc620938b7c2fbdf5ced8" args="(fio_register shift1Register, fio_bit shift1Bit, uint8_t value, boolean noLatch)" -->
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<td class="memname">void fio_shiftOut1 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>shift1Register</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>shift1Bit</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">boolean&#160;</td>
<td class="paramname"><em>noLatch</em> = <code>false</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<div class="memdoc">
<p>one wire shift out protocol needs initialisation (fio_shiftOut1_init) </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">shift1Register[in]</td><td>pins register </td></tr>
<tr><td class="paramname">shift1Bit[in]</td><td>pins bit </td></tr>
<tr><td class="paramname">value[in]</td><td>value to shift out, last byte is ignored and always shifted out LOW </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00190">190</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a2d0e4495eb12504255bbd3f82405b17b"></a><!-- doxytag: member="FastIO.cpp::fio_shiftOut1_init" ref="a2d0e4495eb12504255bbd3f82405b17b" args="(fio_register shift1Register, fio_bit shift1Bit)" -->
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<td class="memname">void fio_shiftOut1_init </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>shift1Register</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>shift1Bit</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>initializes one wire shift out protocol Puts pin to HIGH state and delays until Capacitors are charged. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">shift1Register[in]</td><td>pins register </td></tr>
<tr><td class="paramname">shift1Bit[in]</td><td>pins bit </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00181">181</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="ae4b2e099f8ade9ee674d1565669e870a"></a><!-- doxytag: member="FastIO.cpp::fio_shiftOut1_init" ref="ae4b2e099f8ade9ee674d1565669e870a" args="(uint8_t pin)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void fio_shiftOut1_init </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>initializes one wire shift out protocol Puts pin to HIGH state and delays until Capacitors are charged. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>digital pin </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00176">176</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/FastIO.cpp</div> </div>
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<div class="contents">
<a href="_fast_i_o_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Florian Fida on 20/01/12</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2012 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">// http://creativecommons.org/licenses/by-sa/3.0/</span>
<a name="l00006"></a>00006 <span class="comment">//</span>
<a name="l00007"></a>00007 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no</span>
<a name="l00008"></a>00008 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00009"></a>00009 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00010"></a>00010 <span class="comment">// fio_shiftOut1 functions are based on Shif1 protocol developed by Roman Black </span>
<a name="l00011"></a>00011 <span class="comment">// (http://www.romanblack.com/shift1.htm)</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Thread Safe: No</span>
<a name="l00014"></a>00014 <span class="comment">// Extendable: Yes</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// @file FastIO.h</span>
<a name="l00017"></a>00017 <span class="comment">// This file implements basic fast IO routines.</span>
<a name="l00018"></a>00018 <span class="comment">// </span>
<a name="l00019"></a>00019 <span class="comment">// @brief </span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// @version API 1.0.0</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// @author Florian Fida -</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// 2012-03-16 bperrybap updated fio_shiftout() to be smaller &amp; faster</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 <span class="comment">// @todo:</span>
<a name="l00028"></a>00028 <span class="comment">// support chipkit:</span>
<a name="l00029"></a>00029 <span class="comment">// (https://github.com/chipKIT32/chipKIT32-MAX/blob/master/hardware/pic32/</span>
<a name="l00030"></a>00030 <span class="comment">// cores/pic32/wiring_digital.c)</span>
<a name="l00031"></a>00031 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034
<a name="l00035"></a><a class="code" href="_fast_i_o_8h.html#a385ae40d960c1a57e86818332476a802">00035</a> <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(uint8_t pin, uint8_t initial_state)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 pinMode(pin, OUTPUT);
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keywordflow">if</span>(initial_state != <a class="code" href="_fast_i_o_8h.html#a688a4adbb87520a2b68681bd6bfb199e">SKIP</a>)
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 digitalWrite(pin, initial_state); <span class="comment">// also turns off pwm timer</span>
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span> <span class="comment">// just wasting memory if not using fast io...</span>
<a name="l00045"></a>00045 <span class="keywordflow">return</span> 0;
<a name="l00046"></a>00046 <span class="preprocessor">#else</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span> <span class="keywordflow">return</span> portOutputRegister(digitalPinToPort(pin));
<a name="l00048"></a>00048 <span class="preprocessor">#endif</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>}
<a name="l00050"></a>00050
<a name="l00051"></a>00051
<a name="l00052"></a><a class="code" href="_fast_i_o_8h.html#afb934fc0ded94cbb5ed8ed14e2a123ed">00052</a> <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> <a class="code" href="_fast_i_o_8cpp.html#afb934fc0ded94cbb5ed8ed14e2a123ed">fio_pinToInputRegister</a>(uint8_t pin)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 pinMode(pin, INPUT);
<a name="l00055"></a>00055 digitalWrite(pin, LOW); <span class="comment">// also turns off pwm timer and pullup</span>
<a name="l00056"></a>00056 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span> <span class="comment">// just wasting memory if not using fast io...</span>
<a name="l00058"></a>00058 <span class="keywordflow">return</span> 0;
<a name="l00059"></a>00059 <span class="preprocessor">#else</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span> <span class="keywordflow">return</span> portInputRegister(digitalPinToPort(pin));
<a name="l00061"></a>00061 <span class="preprocessor">#endif</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>}
<a name="l00063"></a>00063
<a name="l00064"></a>00064
<a name="l00065"></a><a class="code" href="_fast_i_o_8h.html#a07a19dfbdca1afaca5d666bdaa3be7d5">00065</a> <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(uint8_t pin)
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span> <span class="comment">// (ab)use the bit variable to store the pin</span>
<a name="l00069"></a>00069 <span class="keywordflow">return</span> pin;
<a name="l00070"></a>00070 <span class="preprocessor">#else</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span> <span class="keywordflow">return</span> digitalPinToBitMask(pin);
<a name="l00072"></a>00072 <span class="preprocessor">#endif</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span>}
<a name="l00074"></a>00074
<a name="l00075"></a>00075
<a name="l00076"></a><a class="code" href="_fast_i_o_8h.html#ae91bbe682b02a5842c291055c0e998b5">00076</a> <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#ae91bbe682b02a5842c291055c0e998b5">fio_digitalWrite</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> pinBit, uint8_t value)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
<a name="l00079"></a>00079 <span class="preprocessor"></span> digitalWrite(pinBit, value);
<a name="l00080"></a>00080 <span class="preprocessor">#else</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span> <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <span class="keywordflow">if</span>(value == LOW)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a>(pinRegister,pinBit);
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 <span class="keywordflow">else</span>
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(pinRegister,pinBit);
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092 <span class="preprocessor">#endif</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span>}
<a name="l00094"></a>00094
<a name="l00095"></a><a class="code" href="_fast_i_o_8h.html#a197336e47e1c3f929056ce3abbbc7e8d">00095</a> <span class="keywordtype">int</span> <a class="code" href="_fast_i_o_8cpp.html#a83fc2fdc19ab3f9aade9e1a2f39e81a6">fio_digitalRead</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, uint8_t pinBit)
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
<a name="l00098"></a>00098 <span class="preprocessor"></span> <span class="keywordflow">return</span> digitalRead (pinBit);
<a name="l00099"></a>00099 <span class="preprocessor">#else</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span> <span class="keywordflow">if</span> (*pinRegister &amp; pinBit)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 <span class="keywordflow">return</span> HIGH;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 <span class="keywordflow">return</span> LOW;
<a name="l00105"></a>00105 <span class="preprocessor">#endif</span>
<a name="l00106"></a>00106 <span class="preprocessor"></span>}
<a name="l00107"></a>00107
<a name="l00108"></a><a class="code" href="_fast_i_o_8h.html#a56c72b9f00680662229895ab22aaa743">00108</a> <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a> (<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> dataBit,
<a name="l00109"></a>00109 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit,
<a name="l00110"></a>00110 uint8_t value, uint8_t bitOrder)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 <span class="comment">// # disable interrupts</span>
<a name="l00113"></a>00113 int8_t i;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordflow">if</span>(bitOrder == LSBFIRST)
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 <span class="keywordflow">for</span>(i = 0; i &lt; 8; i++)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="keywordflow">if</span>(value &amp; 1)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(dataRegister, dataBit);
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 <span class="keywordflow">else</span>
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 <a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a>(dataRegister, dataBit);
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129 value &gt;&gt;= 1;
<a name="l00130"></a>00130 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a> (clockRegister, clockBit);
<a name="l00131"></a>00131 <a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a> (clockRegister,clockBit);
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136 <span class="keywordflow">else</span>
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="keywordflow">for</span>(i = 0; i &lt; 8; i++)
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142 <span class="keywordflow">if</span>(value &amp; 0x80)
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(dataRegister, dataBit);
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146 <span class="keywordflow">else</span>
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 <a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a>(dataRegister, dataBit);
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 value &lt;&lt;= 1;
<a name="l00151"></a>00151 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a> (clockRegister, clockBit);
<a name="l00152"></a>00152 <a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a> (clockRegister,clockBit);
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a>00158
<a name="l00159"></a><a class="code" href="_fast_i_o_8h.html#a5d8d5977294d614d15bda19f75d6b787">00159</a> <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> dataBit,
<a name="l00160"></a>00160 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit)
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164 <span class="comment">// shift out 0x0 (B00000000) fast, byte order is irrelevant</span>
<a name="l00165"></a>00165 <a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a> (dataRegister, dataBit);
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="keywordflow">for</span>(uint8_t i = 0; i&lt;8; ++i)
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a> (clockRegister, clockBit);
<a name="l00170"></a>00170 <a class="code" href="_fast_i_o_8h.html#a6d1dffed7f0c8f28f6c88146315f7832">fio_digitalWrite_SWITCH</a> (clockRegister, clockBit);
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174
<a name="l00175"></a>00175
<a name="l00176"></a><a class="code" href="_fast_i_o_8h.html#ae4b2e099f8ade9ee674d1565669e870a">00176</a> <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">fio_shiftOut1_init</a>(uint8_t pin)
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 <a class="code" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">fio_shiftOut1_init</a>(<a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(pin,HIGH),<a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(pin));
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a><a class="code" href="_fast_i_o_8h.html#a2d0e4495eb12504255bbd3f82405b17b">00181</a> <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">fio_shiftOut1_init</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> shift1Register, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> shift1Bit)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="comment">// Make sure that capacitors are charged</span>
<a name="l00184"></a>00184 <span class="comment">// 300us is an educated guess...</span>
<a name="l00185"></a>00185 <a class="code" href="_fast_i_o_8cpp.html#ae91bbe682b02a5842c291055c0e998b5">fio_digitalWrite</a>(shift1Register,shift1Bit,HIGH);
<a name="l00186"></a>00186 delayMicroseconds(300);
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00189"></a>00189
<a name="l00190"></a><a class="code" href="_fast_i_o_8h.html#a33ce251dcd6b448185cda415a99001cf">00190</a> <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a5b4d1684030dc620938b7c2fbdf5ced8">fio_shiftOut1</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> shift1Register, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> shift1Bit, uint8_t value,
<a name="l00191"></a>00191 <span class="keywordtype">boolean</span> noLatch)
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 <span class="comment">/*</span>
<a name="l00194"></a>00194 <span class="comment"> * this function are based on Shif1 protocol developed by Roman Black </span>
<a name="l00195"></a>00195 <span class="comment"> * (http://www.romanblack.com/shift1.htm)</span>
<a name="l00196"></a>00196 <span class="comment"> *</span>
<a name="l00197"></a>00197 <span class="comment"> * test sketches:</span>
<a name="l00198"></a>00198 <span class="comment"> * http://pastebin.com/raw.php?i=2hnC9v2Z</span>
<a name="l00199"></a>00199 <span class="comment"> * http://pastebin.com/raw.php?i=bGg4DhXQ</span>
<a name="l00200"></a>00200 <span class="comment"> * http://pastebin.com/raw.php?i=tg1ZFiM5</span>
<a name="l00201"></a>00201 <span class="comment"> * http://pastebin.com/raw.php?i=93ExPDD3 - cascading</span>
<a name="l00202"></a>00202 <span class="comment"> * tested with:</span>
<a name="l00203"></a>00203 <span class="comment"> * TPIC6595N - seems to work fine (circuit: http://www.3guys1laser.com/</span>
<a name="l00204"></a>00204 <span class="comment"> * arduino-one-wire-shift-register-prototype)</span>
<a name="l00205"></a>00205 <span class="comment"> * 7HC595N</span>
<a name="l00206"></a>00206 <span class="comment"> */</span>
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="comment">// iterate but ignore last bit (is it correct now?)</span>
<a name="l00209"></a>00209 <span class="keywordflow">for</span>(int8_t i = 7; i&gt;=0; --i)
<a name="l00210"></a>00210 {
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="comment">// assume that pin is HIGH (smokin&#39; pot all day... :) - requires </span>
<a name="l00213"></a>00213 <span class="comment">// initialization</span>
<a name="l00214"></a>00214 <span class="keywordflow">if</span>(value &amp; _BV(i))
<a name="l00215"></a>00215 {
<a name="l00216"></a>00216 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00217"></a>00217 {
<a name="l00218"></a>00218 <span class="comment">// HIGH = 1 Bit</span>
<a name="l00219"></a>00219 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,LOW);
<a name="l00220"></a>00220 <span class="comment">//hold pin LOW for 1us - done! :)</span>
<a name="l00221"></a>00221 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,HIGH);
<a name="l00222"></a>00222 } <span class="comment">// end critical section</span>
<a name="l00223"></a>00223 <span class="comment">//hold pin HIGH for 15us</span>
<a name="l00224"></a>00224 delayMicroseconds(15);
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 <span class="keywordflow">else</span>
<a name="l00227"></a>00227 {
<a name="l00228"></a>00228 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00229"></a>00229 {
<a name="l00230"></a>00230 <span class="comment">// LOW = 0 Bit</span>
<a name="l00231"></a>00231 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,LOW);
<a name="l00232"></a>00232 <span class="comment">// hold pin LOW for 15us</span>
<a name="l00233"></a>00233 delayMicroseconds(15);
<a name="l00234"></a>00234 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,HIGH);
<a name="l00235"></a>00235 } <span class="comment">// end critical section</span>
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="comment">// hold pin HIGH for 30us</span>
<a name="l00238"></a>00238 delayMicroseconds(30);
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240 <span class="keywordflow">if</span>(!noLatch &amp;&amp; i==1)
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="keywordflow">break</span>;
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <span class="keywordflow">if</span>(!noLatch)
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250 <span class="comment">// send last bit (=LOW) and Latch command</span>
<a name="l00251"></a>00251 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,LOW);
<a name="l00252"></a>00252 } <span class="comment">// end critical section</span>
<a name="l00253"></a>00253 delayMicroseconds(199); <span class="comment">// Hold pin low for 200us</span>
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(shift1Register,shift1Bit);
<a name="l00258"></a>00258 } <span class="comment">// end critical section</span>
<a name="l00259"></a>00259 delayMicroseconds(299); <span class="comment">// Hold pin high for 300us and leave it that </span>
<a name="l00260"></a>00260 <span class="comment">// way - using explicit HIGH here, just in case.</span>
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a><a class="code" href="_fast_i_o_8h.html#af2aac35d9a8ab7a2c87672f2c7cbbafb">00264</a> <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a5b4d1684030dc620938b7c2fbdf5ced8">fio_shiftOut1</a>(uint8_t pin, uint8_t value, <span class="keywordtype">boolean</span> noLatch)
<a name="l00265"></a>00265 {
<a name="l00266"></a>00266 <a class="code" href="_fast_i_o_8cpp.html#a5b4d1684030dc620938b7c2fbdf5ced8">fio_shiftOut1</a>(<a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(pin, <a class="code" href="_fast_i_o_8h.html#a688a4adbb87520a2b68681bd6bfb199e">SKIP</a>),<a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(pin),value, noLatch);
<a name="l00267"></a>00267 }
</pre></div></div>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="textblock"><code>#include &lt;WProgram.h&gt;</code><br/>
<code>#include &lt;pins_arduino.h&gt;</code><br/>
<code>#include &lt;inttypes.h&gt;</code><br/>
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Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(dummy)&#160;&#160;&#160;if(true)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a>(reg, bit)&#160;&#160;&#160;digitalWrite(bit,LOW)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a6d1dffed7f0c8f28f6c88146315f7832">fio_digitalWrite_SWITCH</a>(reg, bit)&#160;&#160;&#160;digitalWrite(bit, !digitalRead(bit))</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(reg, bit, val)&#160;&#160;&#160;digitalWrite(bit,val);</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a688a4adbb87520a2b68681bd6bfb199e">SKIP</a>&#160;&#160;&#160;0x23</td></tr>
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Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a197336e47e1c3f929056ce3abbbc7e8d">fio_digitalRead</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> pinBit)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#ae91bbe682b02a5842c291055c0e998b5">fio_digitalWrite</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> pinBit, uint8_t value)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a> (uint8_t pin)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#afb934fc0ded94cbb5ed8ed14e2a123ed">fio_pinToInputRegister</a> (uint8_t pin)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a385ae40d960c1a57e86818332476a802">fio_pinToOutputRegister</a> (uint8_t pin, uint8_t initial_state=LOW)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a5d8d5977294d614d15bda19f75d6b787">fio_shiftOut</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> dataBit, <a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> dataBit, <a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit, uint8_t value, uint8_t bitOrder)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a33ce251dcd6b448185cda415a99001cf">fio_shiftOut1</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> shift1Register, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> shift1Bit, uint8_t value, boolean noLatch=false)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#af2aac35d9a8ab7a2c87672f2c7cbbafb">fio_shiftOut1</a> (uint8_t pin, uint8_t value, boolean noLatch=false)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#a2d0e4495eb12504255bbd3f82405b17b">fio_shiftOut1_init</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> shift1Register, <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> shift1Bit)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8h.html#ae4b2e099f8ade9ee674d1565669e870a">fio_shiftOut1_init</a> (uint8_t pin)</td></tr>
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<hr/><h2>Define Documentation</h2>
<a class="anchor" id="a04971fe5fabe4129736708c494e08e6d"></a><!-- doxytag: member="FastIO.h::ATOMIC_BLOCK" ref="a04971fe5fabe4129736708c494e08e6d" args="(dummy)" -->
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<td class="memname">#define ATOMIC_BLOCK</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">dummy</td><td>)</td>
<td>&#160;&#160;&#160;if(true)</td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00058">58</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<a class="anchor" id="a362c18b15a09703e42e1c246c47420ef"></a><!-- doxytag: member="FastIO.h::ATOMIC_RESTORESTATE" ref="a362c18b15a09703e42e1c246c47420ef" args="" -->
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<td class="memname">#define ATOMIC_RESTORESTATE</td>
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<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00059">59</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<a class="anchor" id="a89e1c62276052100c62b6c82a2e95622"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite_HIGH" ref="a89e1c62276052100c62b6c82a2e95622" args="(reg, bit)" -->
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<td class="memname">#define fio_digitalWrite_HIGH</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">reg, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">bit&#160;</td>
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<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;digitalWrite(bit,HIGH)</td>
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<div class="memdoc">
<p>This is where the magic happens that makes things fast. Implemented as preprocessor directives to force inlining SWITCH is fast for FIO but probably slow for FIO_FALLBACK so SWITCHTO is recommended if the value is known. </p>
<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00143">143</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<a class="anchor" id="ac8f00a1bccb98109531b88fbb6e91478"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite_LOW" ref="ac8f00a1bccb98109531b88fbb6e91478" args="(reg, bit)" -->
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<td class="memname">#define fio_digitalWrite_LOW</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">reg, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">bit&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;digitalWrite(bit,LOW)</td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00144">144</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<a class="anchor" id="a6d1dffed7f0c8f28f6c88146315f7832"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite_SWITCH" ref="a6d1dffed7f0c8f28f6c88146315f7832" args="(reg, bit)" -->
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<td class="memname">#define fio_digitalWrite_SWITCH</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">reg, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">bit&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;digitalWrite(bit, !digitalRead(bit))</td>
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<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00145">145</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<a class="anchor" id="accae9687fdfc5f3492fb6344d62eb190"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite_SWITCHTO" ref="accae9687fdfc5f3492fb6344d62eb190" args="(reg, bit, val)" -->
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<td class="memname">#define fio_digitalWrite_SWITCHTO</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">reg, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">bit, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">val&#160;</td>
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<td></td>
<td>)</td>
<td></td><td>&#160;&#160;&#160;digitalWrite(bit,val);</td>
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<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00146">146</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<a class="anchor" id="a32f90d0ad5c1295c97cc1e79936aadd6"></a><!-- doxytag: member="FastIO.h::FIO_FALLBACK" ref="a32f90d0ad5c1295c97cc1e79936aadd6" args="" -->
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<td class="memname">#define FIO_FALLBACK</td>
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<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00057">57</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<a class="anchor" id="a688a4adbb87520a2b68681bd6bfb199e"></a><!-- doxytag: member="FastIO.h::SKIP" ref="a688a4adbb87520a2b68681bd6bfb199e" args="" -->
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<td class="memname">#define SKIP&#160;&#160;&#160;0x23</td>
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<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00042">42</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<hr/><h2>Typedef Documentation</h2>
<a class="anchor" id="a0a595a88b29bcfd1540b6fac75787937"></a><!-- doxytag: member="FastIO.h::fio_bit" ref="a0a595a88b29bcfd1540b6fac75787937" args="" -->
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<td class="memname">typedef uint8_t <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a></td>
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<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00060">60</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<a class="anchor" id="ae44ea3af54ef26db03f1ae2ea62f9c1f"></a><!-- doxytag: member="FastIO.h::fio_register" ref="ae44ea3af54ef26db03f1ae2ea62f9c1f" args="" -->
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<td class="memname">typedef uint8_t <a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a></td>
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<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00061">61</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a197336e47e1c3f929056ce3abbbc7e8d"></a><!-- doxytag: member="FastIO.h::fio_digitalRead" ref="a197336e47e1c3f929056ce3abbbc7e8d" args="(fio_register pinRegister, fio_bit pinBit)" -->
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<td class="memname">int fio_digitalRead </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>pinRegister</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>pinBit</em>&#160;</td>
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<td>)</td>
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<p>direct digital read without any checks falls back to normal digitalRead if fast io is disabled </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pinRegister[in]</td><td>Register - ignored if fast io is disabled </td></tr>
<tr><td class="paramname">pinBit[in]</td><td>Bit - Pin if fast io is disabled </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Value read from pin </dd></dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00095">95</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="ae91bbe682b02a5842c291055c0e998b5"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite" ref="ae91bbe682b02a5842c291055c0e998b5" args="(fio_register pinRegister, fio_bit pinBit, uint8_t value)" -->
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<td class="memname">void fio_digitalWrite </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>pinRegister</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>pinBit</em>, </td>
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<td class="paramname"><em>value</em>&#160;</td>
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<td>)</td>
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<p>direct digital write without any checks falls back to normal digitalWrite if fast io is disabled </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pinRegister[in]</td><td>Register - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">pinBit[in]</td><td>Bit - Pin if fast digital write is disabled </td></tr>
<tr><td class="paramname">value[in]</td><td>desired output </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00076">76</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a07a19dfbdca1afaca5d666bdaa3be7d5"></a><!-- doxytag: member="FastIO.h::fio_pinToBit" ref="a07a19dfbdca1afaca5d666bdaa3be7d5" args="(uint8_t pin)" -->
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<td class="memname"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> fio_pinToBit </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em></td><td>)</td>
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<p>Find the bit which belongs to specified pin if fast digitalWrite is disabled this function returns the pin </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Bit </dd></dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00065">65</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<td class="memname"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> fio_pinToInputRegister </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em></td><td>)</td>
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<p>Get the input register for specified pin. if fast digital IO is disabled this function returns NULL </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Register </dd></dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00052">52</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<td class="memname"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> fio_pinToOutputRegister </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
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<td class="paramname"><em>initial_state</em> = <code>LOW</code>&#160;</td>
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<td>)</td>
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<p>Get the output register for specified pin. if fast digital IO is disabled this function returns NULL </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Register </dd></dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00035">35</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a5d8d5977294d614d15bda19f75d6b787"></a><!-- doxytag: member="FastIO.h::fio_shiftOut" ref="a5d8d5977294d614d15bda19f75d6b787" args="(fio_register dataRegister, fio_bit dataBit, fio_register clockRegister, fio_bit clockBit)" -->
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<td class="memname">void fio_shiftOut </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>dataRegister</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>dataBit</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>clockRegister</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>clockBit</em>&#160;</td>
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<tr>
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<div class="memdoc">
<p>faster shift out clear using fast digital write falls back to normal digitalWrite if fastio is disabled </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dataRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">dataBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
<tr><td class="paramname">clockRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">clockBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00159">159</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a56c72b9f00680662229895ab22aaa743"></a><!-- doxytag: member="FastIO.h::fio_shiftOut" ref="a56c72b9f00680662229895ab22aaa743" args="(fio_register dataRegister, fio_bit dataBit, fio_register clockRegister, fio_bit clockBit, uint8_t value, uint8_t bitOrder)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void fio_shiftOut </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>dataRegister</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>dataBit</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>clockRegister</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>clockBit</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>bitOrder</em>&#160;</td>
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<tr>
<td></td>
<td>)</td>
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<div class="memdoc">
<p>faster shift out using fast digital write falls back to normal digitalWrite if fastio is disabled </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dataRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">dataBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
<tr><td class="paramname">clockRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
<tr><td class="paramname">clockBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
<tr><td class="paramname">bitOrder[in]</td><td>bit order </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00108">108</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<a class="anchor" id="a33ce251dcd6b448185cda415a99001cf"></a><!-- doxytag: member="FastIO.h::fio_shiftOut1" ref="a33ce251dcd6b448185cda415a99001cf" args="(fio_register shift1Register, fio_bit shift1Bit, uint8_t value, boolean noLatch=false)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">void fio_shiftOut1 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>shift1Register</em>, </td>
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<td class="paramname"><em>shift1Bit</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">boolean&#160;</td>
<td class="paramname"><em>noLatch</em> = <code>false</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<div class="memdoc">
<p>one wire shift out protocol needs initialisation (fio_shiftOut1_init) </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">shift1Register[in]</td><td>pins register </td></tr>
<tr><td class="paramname">shift1Bit[in]</td><td>pins bit </td></tr>
<tr><td class="paramname">value[in]</td><td>value to shift out, last byte is ignored and always shifted out LOW </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00190">190</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
</div>
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<a class="anchor" id="af2aac35d9a8ab7a2c87672f2c7cbbafb"></a><!-- doxytag: member="FastIO.h::fio_shiftOut1" ref="af2aac35d9a8ab7a2c87672f2c7cbbafb" args="(uint8_t pin, uint8_t value, boolean noLatch=false)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">void fio_shiftOut1 </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">boolean&#160;</td>
<td class="paramname"><em>noLatch</em> = <code>false</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>one wire shift out protocol needs initialisation (fio_shiftOut1_init) </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>digital pin </td></tr>
<tr><td class="paramname">value[in]</td><td>value to shift out, last byte is ignored and always shifted out LOW </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00264">264</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a2d0e4495eb12504255bbd3f82405b17b"></a><!-- doxytag: member="FastIO.h::fio_shiftOut1_init" ref="a2d0e4495eb12504255bbd3f82405b17b" args="(fio_register shift1Register, fio_bit shift1Bit)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void fio_shiftOut1_init </td>
<td>(</td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>&#160;</td>
<td class="paramname"><em>shift1Register</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>&#160;</td>
<td class="paramname"><em>shift1Bit</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>initializes one wire shift out protocol Puts pin to HIGH state and delays until Capacitors are charged. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">shift1Register[in]</td><td>pins register </td></tr>
<tr><td class="paramname">shift1Bit[in]</td><td>pins bit </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00181">181</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="ae4b2e099f8ade9ee674d1565669e870a"></a><!-- doxytag: member="FastIO.h::fio_shiftOut1_init" ref="ae4b2e099f8ade9ee674d1565669e870a" args="(uint8_t pin)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void fio_shiftOut1_init </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>initializes one wire shift out protocol Puts pin to HIGH state and delays until Capacitors are charged. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>digital pin </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_fast_i_o_8cpp_source.html#l00176">176</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
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<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/FastIO.h</div> </div>
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<div class="contents">
<a href="_fast_i_o_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Florian Fida on 20/01/12</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2012 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">// http://creativecommons.org/licenses/by-sa/3.0/</span>
<a name="l00006"></a>00006 <span class="comment">//</span>
<a name="l00007"></a>00007 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no</span>
<a name="l00008"></a>00008 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00009"></a>00009 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00010"></a>00010 <span class="comment">// fio_shiftOut1 functions are based on Shif1 protocol developed by Roman Black </span>
<a name="l00011"></a>00011 <span class="comment">// (http://www.romanblack.com/shift1.htm)</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Thread Safe: No</span>
<a name="l00014"></a>00014 <span class="comment">// Extendable: Yes</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// @file FastIO.h</span>
<a name="l00017"></a>00017 <span class="comment">// This file implements basic fast IO routines.</span>
<a name="l00018"></a>00018 <span class="comment">// </span>
<a name="l00019"></a>00019 <span class="comment">// @brief </span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// @version API 1.0.0</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// @author Florian Fida -</span>
<a name="l00024"></a>00024 <span class="comment">// 2012-03-16 bperrybap mods for chipkit32 (pic32) Arduino</span>
<a name="l00025"></a>00025 <span class="comment">// support chipkit:</span>
<a name="l00026"></a>00026 <span class="comment">// (https://github.com/chipKIT32/chipKIT32-MAX/blob/master/hardware/pic32/</span>
<a name="l00027"></a>00027 <span class="comment">// cores/pic32/wiring_digital.c)</span>
<a name="l00028"></a>00028 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00029"></a>00029 <span class="preprocessor">#ifndef _FAST_IO_H_</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define _FAST_IO_H_</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span>
<a name="l00032"></a>00032 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00034"></a>00034 <span class="preprocessor">#else</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#endif</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;pins_arduino.h&gt;</span> <span class="comment">// pleasing sanguino core</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a><a class="code" href="_fast_i_o_8h.html#a688a4adbb87520a2b68681bd6bfb199e">00042</a> <span class="preprocessor">#define SKIP 0x23</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="preprocessor">#if defined (__AVR__)</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#include &lt;util/atomic.h&gt;</span> <span class="comment">// for critical section management</span>
<a name="l00046"></a>00046 <span class="keyword">typedef</span> uint8_t <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>;
<a name="l00047"></a>00047 <span class="keyword">typedef</span> <span class="keyword">volatile</span> uint8_t *<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>;
<a name="l00048"></a>00048
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="preprocessor">#elif defined(__PIC32MX__)</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="keyword">typedef</span> uint32_t <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>;
<a name="l00052"></a>00052 <span class="keyword">typedef</span> <span class="keyword">volatile</span> uint32_t *<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>;
<a name="l00053"></a>00053
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="preprocessor">#else</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="comment">// fallback to Arduino standard digital i/o routines</span>
<a name="l00057"></a><a class="code" href="_fast_i_o_8h.html#a32f90d0ad5c1295c97cc1e79936aadd6">00057</a> <span class="preprocessor">#define FIO_FALLBACK</span>
<a name="l00058"></a><a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">00058</a> <span class="preprocessor"></span><span class="preprocessor">#define ATOMIC_BLOCK(dummy) if(true)</span>
<a name="l00059"></a><a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">00059</a> <span class="preprocessor"></span><span class="preprocessor">#define ATOMIC_RESTORESTATE</span>
<a name="l00060"></a><a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">00060</a> <span class="preprocessor"></span><span class="keyword">typedef</span> uint8_t <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>;
<a name="l00061"></a><a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">00061</a> <span class="keyword">typedef</span> uint8_t <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>;
<a name="l00062"></a>00062 <span class="preprocessor">#endif</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span>
<a name="l00064"></a>00064
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="preprocessor">#if !defined(FIO_FALLBACK) &amp;&amp; !defined(ATOMIC_BLOCK)</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span><span class="comment">/*</span>
<a name="l00068"></a>00068 <span class="comment"> * Define an ATOMIC_BLOCK that implements ATOMIC_FORCEON type</span>
<a name="l00069"></a>00069 <span class="comment"> * Using the portable Arduino interrupts() and noInterrupts()</span>
<a name="l00070"></a>00070 <span class="comment"> */</span>
<a name="l00071"></a>00071 <span class="preprocessor">#define ATOMIC_RESTORESTATE ATOMIC_FORCEON // sorry, no support for save/restore yet.</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span><span class="preprocessor">#define ATOMIC_FORCEON uint8_t sreg_save \</span>
<a name="l00073"></a>00073 <span class="preprocessor"> __attribute__((__cleanup__(__iSeiParam))) = 0</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span>
<a name="l00075"></a>00075 <span class="keyword">static</span> __inline__ uint8_t __iCliRetVal(<span class="keywordtype">void</span>)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 noInterrupts();
<a name="l00078"></a>00078 <span class="keywordflow">return</span>(1);
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 <span class="keyword">static</span> __inline__ <span class="keywordtype">void</span> __iSeiParam(<span class="keyword">const</span> uint8_t *__s)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 interrupts();
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="preprocessor">#define ATOMIC_BLOCK(type) for(type, __Todo = __iCliRetVal(); __Todo; __Todo = 0)</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span>
<a name="l00086"></a>00086 <span class="preprocessor">#endif // end of block to create compatible ATOMIC_BLOCK()</span>
<a name="l00087"></a>00087 <span class="preprocessor"></span>
<a name="l00088"></a>00088
<a name="l00089"></a>00089
<a name="l00097"></a>00097 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(uint8_t pin, uint8_t initial_state = LOW);
<a name="l00098"></a>00098
<a name="l00106"></a>00106 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> <a class="code" href="_fast_i_o_8cpp.html#afb934fc0ded94cbb5ed8ed14e2a123ed">fio_pinToInputRegister</a>(uint8_t pin);
<a name="l00107"></a>00107
<a name="l00115"></a>00115 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(uint8_t pin);
<a name="l00116"></a>00116
<a name="l00117"></a>00117
<a name="l00127"></a>00127 <span class="comment">// __attribute__ ((always_inline)) /* let the optimizer decide that for now */</span>
<a name="l00128"></a>00128 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#ae91bbe682b02a5842c291055c0e998b5">fio_digitalWrite</a> ( <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> pinBit, uint8_t value );
<a name="l00129"></a>00129
<a name="l00136"></a>00136 <span class="preprocessor">#ifndef FIO_FALLBACK</span>
<a name="l00137"></a>00137 <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_LOW(reg,bit) *reg &amp;= ~bit</span>
<a name="l00138"></a>00138 <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_HIGH(reg,bit) *reg |= bit</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_SWITCH(reg,bit) *reg ^= bit</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_SWITCHTO(reg,bit,val) fio_digitalWrite_SWITCH(reg,bit)</span>
<a name="l00141"></a>00141 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00142"></a>00142 <span class="preprocessor"></span><span class="comment">// reg -&gt; dummy NULL, bit -&gt; pin</span>
<a name="l00143"></a><a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">00143</a> <span class="preprocessor">#define fio_digitalWrite_HIGH(reg,bit) digitalWrite(bit,HIGH)</span>
<a name="l00144"></a><a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">00144</a> <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_LOW(reg,bit) digitalWrite(bit,LOW)</span>
<a name="l00145"></a><a class="code" href="_fast_i_o_8h.html#a6d1dffed7f0c8f28f6c88146315f7832">00145</a> <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_SWITCH(reg,bit) digitalWrite(bit, !digitalRead(bit))</span>
<a name="l00146"></a><a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">00146</a> <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_SWITCHTO(reg,bit,val) digitalWrite(bit,val);</span>
<a name="l00147"></a>00147 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00148"></a>00148 <span class="preprocessor"></span>
<a name="l00158"></a>00158 <span class="keywordtype">int</span> <a class="code" href="_fast_i_o_8cpp.html#a83fc2fdc19ab3f9aade9e1a2f39e81a6">fio_digitalRead</a> ( <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> pinBit );
<a name="l00159"></a>00159
<a name="l00171"></a>00171 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>( <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> dataBit, <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister,
<a name="l00172"></a>00172 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit, uint8_t value, uint8_t bitOrder );
<a name="l00173"></a>00173
<a name="l00184"></a>00184 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> dataBit, <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit);
<a name="l00185"></a>00185
<a name="l00194"></a>00194 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a5b4d1684030dc620938b7c2fbdf5ced8">fio_shiftOut1</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> shift1Register, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> shift1Bit, uint8_t value, <span class="keywordtype">boolean</span> noLatch = <span class="keyword">false</span>);
<a name="l00202"></a>00202 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a5b4d1684030dc620938b7c2fbdf5ced8">fio_shiftOut1</a>(uint8_t pin, uint8_t value, <span class="keywordtype">boolean</span> noLatch = <span class="keyword">false</span>);
<a name="l00210"></a>00210 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">fio_shiftOut1_init</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> shift1Register, <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> shift1Bit);
<a name="l00217"></a>00217 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">fio_shiftOut1_init</a>(uint8_t pin);
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="preprocessor">#endif // FAST_IO_H</span>
</pre></div></div>
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<div class="textblock"><code>#include &lt;WProgram.h&gt;</code><br/>
<code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &lt;../Wire/Wire.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_i2_c_i_o_8h_source.html">I2CIO.h</a>&quot;</code><br/>
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<a href="_i2_c_i_o_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file I2CIO.h</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic IO library using the PCF8574 I2C IO Expander</span>
<a name="l00014"></a>00014 <span class="comment">// chip.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// Implement a basic IO library to drive the PCF8574* I2C IO Expander ASIC.</span>
<a name="l00018"></a>00018 <span class="comment">// The library implements basic IO general methods to configure IO pin direction</span>
<a name="l00019"></a>00019 <span class="comment">// read and write uint8_t operations and basic pin level routines to set or read</span>
<a name="l00020"></a>00020 <span class="comment">// a particular IO port.</span>
<a name="l00021"></a>00021 <span class="comment">//</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// @version API 1.0.0</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00026"></a>00026 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00027"></a>00027 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#else</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#endif</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;../Wire/Wire.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &quot;<a class="code" href="_i2_c_i_o_8h.html">I2CIO.h</a>&quot;</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">// CLASS VARIABLES</span>
<a name="l00039"></a>00039 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// CONSTRUCTOR</span>
<a name="l00043"></a>00043 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00044"></a><a class="code" href="class_i2_c_i_o.html#a32eb7832075ad6011d67874405a0d0a6">00044</a> <a class="code" href="class_i2_c_i_o.html#a32eb7832075ad6011d67874405a0d0a6">I2CIO::I2CIO</a> ( )
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 _i2cAddr = 0x0;
<a name="l00047"></a>00047 _dirMask = 0xFF; <span class="comment">// mark all as INPUTs</span>
<a name="l00048"></a>00048 _shadow = 0x0; <span class="comment">// no values set</span>
<a name="l00049"></a>00049 _initialised = <span class="keyword">false</span>;
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="comment">// PUBLIC METHODS</span>
<a name="l00053"></a>00053 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">//</span>
<a name="l00056"></a>00056 <span class="comment">// begin</span>
<a name="l00057"></a><a class="code" href="class_i2_c_i_o.html#a6f814653d903dc2ff6e8420eeb7954ae">00057</a> <span class="keywordtype">int</span> <a class="code" href="class_i2_c_i_o.html#a6f814653d903dc2ff6e8420eeb7954ae">I2CIO::begin</a> ( uint8_t i2cAddr )
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 _i2cAddr = i2cAddr;
<a name="l00060"></a>00060
<a name="l00061"></a>00061 Wire.begin ( );
<a name="l00062"></a>00062
<a name="l00063"></a>00063 _initialised = Wire.requestFrom ( _i2cAddr, (uint8_t)1 );
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span> _shadow = Wire.receive ();
<a name="l00067"></a>00067 <span class="preprocessor">#else</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span> _shadow = Wire.read (); <span class="comment">// Remove the byte read don&#39;t need it.</span>
<a name="l00069"></a>00069 <span class="preprocessor">#endif</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span>
<a name="l00071"></a>00071 <span class="keywordflow">return</span> ( _initialised );
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="comment">//</span>
<a name="l00075"></a>00075 <span class="comment">// pinMode</span>
<a name="l00076"></a><a class="code" href="class_i2_c_i_o.html#a53b94274eb6bb68564cf5243323db887">00076</a> <span class="keywordtype">void</span> <a class="code" href="class_i2_c_i_o.html#a53b94274eb6bb68564cf5243323db887">I2CIO::pinMode</a> ( uint8_t pin, uint8_t dir )
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">if</span> ( _initialised )
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordflow">if</span> ( OUTPUT == dir )
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 _dirMask &amp;= ~( 1 &lt;&lt; pin );
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="keywordflow">else</span>
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 _dirMask |= ( 1 &lt;&lt; pin );
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="comment">//</span>
<a name="l00092"></a>00092 <span class="comment">// portMode</span>
<a name="l00093"></a><a class="code" href="class_i2_c_i_o.html#a0341888753bc54c4384f5593a870fb34">00093</a> <span class="keywordtype">void</span> <a class="code" href="class_i2_c_i_o.html#a0341888753bc54c4384f5593a870fb34">I2CIO::portMode</a> ( uint8_t dir )
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordflow">if</span> ( _initialised )
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="keywordflow">if</span> ( dir == INPUT )
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 _dirMask = 0xFF;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 <span class="keywordflow">else</span>
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 _dirMask = 0x00;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">//</span>
<a name="l00110"></a>00110 <span class="comment">// read</span>
<a name="l00111"></a><a class="code" href="class_i2_c_i_o.html#a7a3db7bfc15ede0ae9e8c8bd44290ef7">00111</a> uint8_t <a class="code" href="class_i2_c_i_o.html#a7a3db7bfc15ede0ae9e8c8bd44290ef7">I2CIO::read</a> ( <span class="keywordtype">void</span> )
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 uint8_t retVal = 0;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordflow">if</span> ( _initialised )
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 Wire.requestFrom ( _i2cAddr, (uint8_t)1 );
<a name="l00118"></a>00118 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span> retVal = ( _dirMask &amp; Wire.receive ( ) );
<a name="l00120"></a>00120 <span class="preprocessor">#else</span>
<a name="l00121"></a>00121 <span class="preprocessor"></span> retVal = ( _dirMask &amp; Wire.read ( ) );
<a name="l00122"></a>00122 <span class="preprocessor">#endif </span>
<a name="l00123"></a>00123 <span class="preprocessor"></span>
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 <span class="keywordflow">return</span> ( retVal );
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="comment">//</span>
<a name="l00129"></a>00129 <span class="comment">// write</span>
<a name="l00130"></a><a class="code" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">00130</a> <span class="keywordtype">int</span> <a class="code" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">I2CIO::write</a> ( uint8_t value )
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <span class="keywordtype">int</span> status = 0;
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keywordflow">if</span> ( _initialised )
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 <span class="comment">// Only write HIGH the values of the ports that have been initialised as</span>
<a name="l00137"></a>00137 <span class="comment">// outputs updating the output shadow of the device</span>
<a name="l00138"></a>00138 _shadow = ( value &amp; ~(_dirMask) );
<a name="l00139"></a>00139
<a name="l00140"></a>00140 Wire.beginTransmission ( _i2cAddr );
<a name="l00141"></a>00141 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00142"></a>00142 <span class="preprocessor"></span> Wire.send ( _shadow );
<a name="l00143"></a>00143 <span class="preprocessor">#else</span>
<a name="l00144"></a>00144 <span class="preprocessor"></span> Wire.write ( _shadow );
<a name="l00145"></a>00145 <span class="preprocessor">#endif </span>
<a name="l00146"></a>00146 <span class="preprocessor"></span> status = Wire.endTransmission ();
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 <span class="keywordflow">return</span> ( (status == 0) );
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="comment">//</span>
<a name="l00152"></a>00152 <span class="comment">// digitalRead</span>
<a name="l00153"></a><a class="code" href="class_i2_c_i_o.html#ac26221011a8b49bcea9ef62712ea88a7">00153</a> uint8_t <a class="code" href="class_i2_c_i_o.html#ac26221011a8b49bcea9ef62712ea88a7">I2CIO::digitalRead</a> ( uint8_t pin )
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 uint8_t pinVal = 0;
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="comment">// Check if initialised and that the pin is within range of the device</span>
<a name="l00158"></a>00158 <span class="comment">// -------------------------------------------------------------------</span>
<a name="l00159"></a>00159 <span class="keywordflow">if</span> ( ( _initialised ) &amp;&amp; ( pin &lt;= 7 ) )
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <span class="comment">// Remove the values which are not inputs and get the value of the pin</span>
<a name="l00162"></a>00162 pinVal = this-&gt;<a class="code" href="class_i2_c_i_o.html#a7a3db7bfc15ede0ae9e8c8bd44290ef7">read</a>() &amp; _dirMask;
<a name="l00163"></a>00163 pinVal = ( pinVal &gt;&gt; pin ) &amp; 0x01; <span class="comment">// Get the pin value</span>
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 <span class="keywordflow">return</span> (pinVal);
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="comment">//</span>
<a name="l00169"></a>00169 <span class="comment">// digitalWrite</span>
<a name="l00170"></a><a class="code" href="class_i2_c_i_o.html#a473206162522b847546777d16a7c6dcd">00170</a> <span class="keywordtype">int</span> <a class="code" href="class_i2_c_i_o.html#a473206162522b847546777d16a7c6dcd">I2CIO::digitalWrite</a> ( uint8_t pin, uint8_t level )
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172 uint8_t writeVal;
<a name="l00173"></a>00173 <span class="keywordtype">int</span> status = 0;
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="comment">// Check if initialised and that the pin is within range of the device</span>
<a name="l00176"></a>00176 <span class="comment">// -------------------------------------------------------------------</span>
<a name="l00177"></a>00177 <span class="keywordflow">if</span> ( ( _initialised ) &amp;&amp; ( pin &lt;= 7 ) )
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179 <span class="comment">// Only write to HIGH the port if the port has been configured as</span>
<a name="l00180"></a>00180 <span class="comment">// an OUTPUT pin. Add the new state of the pin to the shadow</span>
<a name="l00181"></a>00181 writeVal = ( 1 &lt;&lt; pin ) &amp; ~_dirMask;
<a name="l00182"></a>00182 <span class="keywordflow">if</span> ( level == HIGH )
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 _shadow |= writeVal;
<a name="l00185"></a>00185
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187 <span class="keywordflow">else</span>
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 _shadow &amp;= ~writeVal;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 status = this-&gt;<a class="code" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">write</a> ( _shadow );
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193 <span class="keywordflow">return</span> ( status );
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a>00196 <span class="comment">//</span>
<a name="l00197"></a>00197 <span class="comment">// PRIVATE METHODS</span>
<a name="l00198"></a>00198 <span class="comment">// ---------------------------------------------------------------------------</span>
</pre></div></div>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="textblock"><code>#include &lt;inttypes.h&gt;</code><br/>
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<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_i2_c_i_o_8h.html#a218dbde2f6fda8c5825e25da10864c71">_I2CIO_VERSION</a>&#160;&#160;&#160;&quot;1.0.0&quot;</td></tr>
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<p>Definition at line <a class="el" href="_i2_c_i_o_8h_source.html#l00032">32</a> of file <a class="el" href="_i2_c_i_o_8h_source.html">I2CIO.h</a>.</p>
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<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/I2CIO.h</div> </div>
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<a href="_i2_c_i_o_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file I2CIO.h</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic IO library using the PCF8574 I2C IO Expander</span>
<a name="l00014"></a>00014 <span class="comment">// chip.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// Implement a basic IO library to drive the PCF8574* I2C IO Expander ASIC.</span>
<a name="l00018"></a>00018 <span class="comment">// The library implements basic IO general methods to configure IO pin direction</span>
<a name="l00019"></a>00019 <span class="comment">// read and write uint8_t operations and basic pin level routines to set or read</span>
<a name="l00020"></a>00020 <span class="comment">// a particular IO port.</span>
<a name="l00021"></a>00021 <span class="comment">//</span>
<a name="l00022"></a>00022 <span class="comment">// @version API 1.0.0</span>
<a name="l00023"></a>00023 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00025"></a>00025 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#ifndef _I2CIO_H_</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#define _I2CIO_H_</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00031"></a>00031
<a name="l00032"></a><a class="code" href="_i2_c_i_o_8h.html#a218dbde2f6fda8c5825e25da10864c71">00032</a> <span class="preprocessor">#define _I2CIO_VERSION &quot;1.0.0&quot;</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00041"></a><a class="code" href="class_i2_c_i_o.html">00041</a> <span class="keyword">class </span><a class="code" href="class_i2_c_i_o.html">I2CIO</a>
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="keyword">public</span>:
<a name="l00049"></a>00049 <a class="code" href="class_i2_c_i_o.html#a32eb7832075ad6011d67874405a0d0a6">I2CIO</a> ( );
<a name="l00050"></a>00050
<a name="l00062"></a>00062 <span class="keywordtype">int</span> <a class="code" href="class_i2_c_i_o.html#a6f814653d903dc2ff6e8420eeb7954ae">begin</a> ( uint8_t i2cAddr );
<a name="l00063"></a>00063
<a name="l00073"></a>00073 <span class="keywordtype">void</span> <a class="code" href="class_i2_c_i_o.html#a53b94274eb6bb68564cf5243323db887">pinMode</a> ( uint8_t pin, uint8_t dir );
<a name="l00074"></a>00074
<a name="l00083"></a>00083 <span class="keywordtype">void</span> <a class="code" href="class_i2_c_i_o.html#a0341888753bc54c4384f5593a870fb34">portMode</a> ( uint8_t dir );
<a name="l00084"></a>00084
<a name="l00094"></a>00094 uint8_t <a class="code" href="class_i2_c_i_o.html#a7a3db7bfc15ede0ae9e8c8bd44290ef7">read</a> ( <span class="keywordtype">void</span> );
<a name="l00095"></a>00095
<a name="l00108"></a>00108 uint8_t <a class="code" href="class_i2_c_i_o.html#ac26221011a8b49bcea9ef62712ea88a7">digitalRead</a> ( uint8_t pin );
<a name="l00109"></a>00109
<a name="l00123"></a>00123 <span class="keywordtype">int</span> <a class="code" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">write</a> ( uint8_t value );
<a name="l00124"></a>00124
<a name="l00136"></a>00136 <span class="keywordtype">int</span> <a class="code" href="class_i2_c_i_o.html#a473206162522b847546777d16a7c6dcd">digitalWrite</a> ( uint8_t pin, uint8_t level );
<a name="l00137"></a>00137
<a name="l00138"></a>00138
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keyword">private</span>:
<a name="l00141"></a>00141 uint8_t _shadow; <span class="comment">// Shadow output</span>
<a name="l00142"></a>00142 uint8_t _dirMask; <span class="comment">// Direction mask</span>
<a name="l00143"></a>00143 uint8_t _i2cAddr; <span class="comment">// I2C address</span>
<a name="l00144"></a>00144 <span class="keywordtype">bool</span> _initialised; <span class="comment">// Initialised object</span>
<a name="l00145"></a>00145
<a name="l00146"></a>00146 };
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="preprocessor">#endif</span>
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<div class="textblock"><code>#include &lt;stdio.h&gt;</code><br/>
<code>#include &lt;string.h&gt;</code><br/>
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<code>#include &lt;WProgram.h&gt;</code><br/>
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<a href="_l_c_d_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LCD.cpp</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic liquid crystal library that comes as standard</span>
<a name="l00014"></a>00014 <span class="comment">// in the Arduino SDK.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a basic implementation of the HD44780 library of the</span>
<a name="l00018"></a>00018 <span class="comment">// Arduino SDK. This library is a refactored version of the one supplied</span>
<a name="l00019"></a>00019 <span class="comment">// in the Arduino SDK in such a way that it simplifies its extension</span>
<a name="l00020"></a>00020 <span class="comment">// to support other mechanism to communicate to LCDs such as I2C, Serial, SR, ...</span>
<a name="l00021"></a>00021 <span class="comment">// The original library has been reworked in such a way that this will be</span>
<a name="l00022"></a>00022 <span class="comment">// the base class implementing all generic methods to command an LCD based</span>
<a name="l00023"></a>00023 <span class="comment">// on the Hitachi HD44780 and compatible chipsets.</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// This base class is a pure abstract class and needs to be extended. As reference,</span>
<a name="l00026"></a>00026 <span class="comment">// it has been extended to drive 4 and 8 bit mode control, LCDs and I2C extension</span>
<a name="l00027"></a>00027 <span class="comment">// backpacks such as the I2CLCDextraIO using the PCF8574* I2C IO Expander ASIC.</span>
<a name="l00028"></a>00028 <span class="comment">//</span>
<a name="l00029"></a>00029 <span class="comment">//</span>
<a name="l00030"></a>00030 <span class="comment">// @version API 1.1.0</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00032"></a>00032 <span class="comment">// 2012.03.29 bperrybap - changed comparision to use LCD_5x8DOTS rather than 0</span>
<a name="l00033"></a>00033 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00034"></a>00034 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#else</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00043"></a>00043 <span class="preprocessor">#endif</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="_l_c_d_8h.html">LCD.h</a>&quot;</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="comment">// CLASS CONSTRUCTORS</span>
<a name="l00047"></a>00047 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00048"></a>00048 <span class="comment">// Constructor</span>
<a name="l00049"></a><a class="code" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">00049</a> <a class="code" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD::LCD</a> ()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">// PUBLIC METHODS</span>
<a name="l00055"></a>00055 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00056"></a>00056 <span class="comment">// When the display powers up, it is configured as follows:</span>
<a name="l00057"></a>00057 <span class="comment">//</span>
<a name="l00058"></a>00058 <span class="comment">// 1. Display clear</span>
<a name="l00059"></a>00059 <span class="comment">// 2. Function set: </span>
<a name="l00060"></a>00060 <span class="comment">// DL = 1; 8-bit interface data </span>
<a name="l00061"></a>00061 <span class="comment">// N = 0; 1-line display </span>
<a name="l00062"></a>00062 <span class="comment">// F = 0; 5x8 dot character font </span>
<a name="l00063"></a>00063 <span class="comment">// 3. Display on/off control: </span>
<a name="l00064"></a>00064 <span class="comment">// D = 0; Display off </span>
<a name="l00065"></a>00065 <span class="comment">// C = 0; Cursor off </span>
<a name="l00066"></a>00066 <span class="comment">// B = 0; Blinking off </span>
<a name="l00067"></a>00067 <span class="comment">// 4. Entry mode set: </span>
<a name="l00068"></a>00068 <span class="comment">// I/D = 1; Increment by 1 </span>
<a name="l00069"></a>00069 <span class="comment">// S = 0; No shift </span>
<a name="l00070"></a>00070 <span class="comment">//</span>
<a name="l00071"></a>00071 <span class="comment">// Note, however, that resetting the Arduino doesn&#39;t reset the LCD, so we</span>
<a name="l00072"></a>00072 <span class="comment">// can&#39;t assume that its in that state when a sketch starts (and the</span>
<a name="l00073"></a>00073 <span class="comment">// LiquidCrystal constructor is called).</span>
<a name="l00074"></a>00074 <span class="comment">// A call to begin() will reinitialize the LCD.</span>
<a name="l00075"></a>00075 <span class="comment">//</span>
<a name="l00076"></a><a class="code" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">00076</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">LCD::begin</a>(uint8_t cols, uint8_t lines, uint8_t dotsize)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">if</span> (lines &gt; 1)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> |= <a class="code" href="_l_c_d_8h.html#a7987e93538df2819583ba43b81ddbb25">LCD_2LINE</a>;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 <a class="code" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a> = lines;
<a name="l00083"></a>00083 <a class="code" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a> = cols;
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="comment">// for some 1 line displays you can select a 10 pixel high font</span>
<a name="l00086"></a>00086 <span class="comment">// ------------------------------------------------------------</span>
<a name="l00087"></a>00087 <span class="keywordflow">if</span> ((dotsize != <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>) &amp;&amp; (lines == 1))
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> |= <a class="code" href="_l_c_d_8h.html#abb3210156d88d3fe18c9352eb161fe42">LCD_5x10DOTS</a>;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">// SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!</span>
<a name="l00093"></a>00093 <span class="comment">// according to datasheet, we need at least 40ms after power rises above 2.7V</span>
<a name="l00094"></a>00094 <span class="comment">// before sending commands. Arduino can turn on way before 4.5V so we&#39;ll wait </span>
<a name="l00095"></a>00095 <span class="comment">// 50</span>
<a name="l00096"></a>00096 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00097"></a>00097 delay (100); <span class="comment">// 100ms delay</span>
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment">//put the LCD into 4 bit or 8 bit mode</span>
<a name="l00100"></a>00100 <span class="comment">// -------------------------------------</span>
<a name="l00101"></a>00101 <span class="keywordflow">if</span> (! (<a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> &amp; <a class="code" href="_l_c_d_8h.html#a59a57ca857dae5d89eb5f2a38c4ac6f0">LCD_8BITMODE</a>))
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="comment">// this is according to the hitachi HD44780 datasheet</span>
<a name="l00104"></a>00104 <span class="comment">// figure 24, pg 46</span>
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="comment">// we start in 8bit mode, try to set 4 bit mode</span>
<a name="l00107"></a>00107 send(0x03, <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a>);
<a name="l00108"></a>00108 delayMicroseconds(4500); <span class="comment">// wait min 4.1ms</span>
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="comment">// second try</span>
<a name="l00111"></a>00111 send ( 0x03, <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a> );
<a name="l00112"></a>00112 delayMicroseconds(4500); <span class="comment">// wait min 4.1ms</span>
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="comment">// third go!</span>
<a name="l00115"></a>00115 send( 0x03, <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a> );
<a name="l00116"></a>00116 delayMicroseconds(150);
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">// finally, set to 4-bit interface</span>
<a name="l00119"></a>00119 send ( 0x02, <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a> );
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 <span class="keywordflow">else</span>
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <span class="comment">// this is according to the hitachi HD44780 datasheet</span>
<a name="l00124"></a>00124 <span class="comment">// page 45 figure 23</span>
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">// Send function set command sequence</span>
<a name="l00127"></a>00127 command(<a class="code" href="_l_c_d_8h.html#aaef882ae70d1f485cd132815d9716111">LCD_FUNCTIONSET</a> | <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a>);
<a name="l00128"></a>00128 delayMicroseconds(4500); <span class="comment">// wait more than 4.1ms</span>
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="comment">// second try</span>
<a name="l00131"></a>00131 command(<a class="code" href="_l_c_d_8h.html#aaef882ae70d1f485cd132815d9716111">LCD_FUNCTIONSET</a> | <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a>);
<a name="l00132"></a>00132 delayMicroseconds(150);
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="comment">// third go</span>
<a name="l00135"></a>00135 command(<a class="code" href="_l_c_d_8h.html#aaef882ae70d1f485cd132815d9716111">LCD_FUNCTIONSET</a> | <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a>);
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="comment">// finally, set # lines, font size, etc.</span>
<a name="l00139"></a>00139 command(<a class="code" href="_l_c_d_8h.html#aaef882ae70d1f485cd132815d9716111">LCD_FUNCTIONSET</a> | <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a>);
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="comment">// turn the display on with no cursor or blinking default</span>
<a name="l00142"></a>00142 <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a> = <a class="code" href="_l_c_d_8h.html#a76236ae8317b34bbc98ea56bc0a2639c">LCD_DISPLAYON</a> | <a class="code" href="_l_c_d_8h.html#a32b194a3adaa0a0bb69acee2e6a754fa">LCD_CURSOROFF</a> | <a class="code" href="_l_c_d_8h.html#a4b28243034cec656b0ed490ba6979752">LCD_BLINKOFF</a>;
<a name="l00143"></a>00143 <a class="code" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>();
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="comment">// clear the LCD</span>
<a name="l00146"></a>00146 <a class="code" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>();
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="comment">// Initialize to default text direction (for romance languages)</span>
<a name="l00149"></a>00149 <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a> = <a class="code" href="_l_c_d_8h.html#ae7c6309fce6200bd7526d090a4a84dd0">LCD_ENTRYLEFT</a> | <a class="code" href="_l_c_d_8h.html#a049ee97e98d04788c1da9a55590fbe42">LCD_ENTRYSHIFTDECREMENT</a>;
<a name="l00150"></a>00150 <span class="comment">// set the entry mode</span>
<a name="l00151"></a>00151 command(<a class="code" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">LCD_ENTRYMODESET</a> | <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a>);
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <a class="code" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>();
<a name="l00154"></a>00154
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="comment">// Common LCD Commands</span>
<a name="l00158"></a>00158 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00159"></a><a class="code" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">00159</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">LCD::clear</a>()
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 command(<a class="code" href="_l_c_d_8h.html#acc3509bc0442b41e2b816555de473ed2">LCD_CLEARDISPLAY</a>); <span class="comment">// clear display, set cursor position to zero</span>
<a name="l00162"></a>00162 delayMicroseconds(<a class="code" href="_l_c_d_8h.html#ad25b138788d83e67f840588754e2df2f">HOME_CLEAR_EXEC</a>); <span class="comment">// this command is time consuming</span>
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a><a class="code" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">00165</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">LCD::home</a>()
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 command(<a class="code" href="_l_c_d_8h.html#a154c86a887633d0f6d9988e4dbb1f419">LCD_RETURNHOME</a>); <span class="comment">// set cursor position to zero</span>
<a name="l00168"></a>00168 delayMicroseconds(<a class="code" href="_l_c_d_8h.html#ad25b138788d83e67f840588754e2df2f">HOME_CLEAR_EXEC</a>); <span class="comment">// This command is time consuming</span>
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170
<a name="l00171"></a><a class="code" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">00171</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">LCD::setCursor</a>(uint8_t col, uint8_t row)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 <span class="keyword">const</span> byte row_offsetsDef[] = { 0x00, 0x40, 0x14, 0x54 }; <span class="comment">// For regular LCDs</span>
<a name="l00174"></a>00174 <span class="keyword">const</span> byte row_offsetsLarge[] = { 0x00, 0x40, 0x10, 0x50 }; <span class="comment">// For 16x4 LCDs</span>
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keywordflow">if</span> ( row &gt;= <a class="code" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a> )
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 row = <a class="code" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a>-1; <span class="comment">// rows start at 0</span>
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="comment">// 16x4 LCDs have special memory map layout</span>
<a name="l00182"></a>00182 <span class="comment">// ----------------------------------------</span>
<a name="l00183"></a>00183 <span class="keywordflow">if</span> ( <a class="code" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a> == 16 &amp;&amp; <a class="code" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a> == 4 )
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 command(<a class="code" href="_l_c_d_8h.html#a15008b832807a208d9d88c74e6751ebf">LCD_SETDDRAMADDR</a> | (col + row_offsetsLarge[row]));
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187 <span class="keywordflow">else</span>
<a name="l00188"></a>00188 {
<a name="l00189"></a>00189 command(<a class="code" href="_l_c_d_8h.html#a15008b832807a208d9d88c74e6751ebf">LCD_SETDDRAMADDR</a> | (col + row_offsetsDef[row]));
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="comment">// Turn the display on/off</span>
<a name="l00195"></a><a class="code" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">00195</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">LCD::noDisplay</a>()
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a> &amp;= ~<a class="code" href="_l_c_d_8h.html#a76236ae8317b34bbc98ea56bc0a2639c">LCD_DISPLAYON</a>;
<a name="l00198"></a>00198 command(<a class="code" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD_DISPLAYCONTROL</a> | <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a>);
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200
<a name="l00201"></a><a class="code" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">00201</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">LCD::display</a>()
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a> |= <a class="code" href="_l_c_d_8h.html#a76236ae8317b34bbc98ea56bc0a2639c">LCD_DISPLAYON</a>;
<a name="l00204"></a>00204 command(<a class="code" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD_DISPLAYCONTROL</a> | <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a>);
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="comment">// Turns the underline cursor on/off</span>
<a name="l00208"></a><a class="code" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">00208</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">LCD::noCursor</a>()
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a> &amp;= ~<a class="code" href="_l_c_d_8h.html#ab67f0adccde68de88eee0513fdfc4574">LCD_CURSORON</a>;
<a name="l00211"></a>00211 command(<a class="code" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD_DISPLAYCONTROL</a> | <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a>);
<a name="l00212"></a>00212 }
<a name="l00213"></a><a class="code" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">00213</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">LCD::cursor</a>()
<a name="l00214"></a>00214 {
<a name="l00215"></a>00215 <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a> |= <a class="code" href="_l_c_d_8h.html#ab67f0adccde68de88eee0513fdfc4574">LCD_CURSORON</a>;
<a name="l00216"></a>00216 command(<a class="code" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD_DISPLAYCONTROL</a> | <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a>);
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="comment">// Turns on/off the blinking cursor</span>
<a name="l00220"></a><a class="code" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">00220</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">LCD::noBlink</a>()
<a name="l00221"></a>00221 {
<a name="l00222"></a>00222 <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a> &amp;= ~<a class="code" href="_l_c_d_8h.html#ac3b19d4e6553b9bbf18a23387e439206">LCD_BLINKON</a>;
<a name="l00223"></a>00223 command(<a class="code" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD_DISPLAYCONTROL</a> | <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a>);
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225
<a name="l00226"></a><a class="code" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">00226</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">LCD::blink</a>()
<a name="l00227"></a>00227 {
<a name="l00228"></a>00228 <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a> |= <a class="code" href="_l_c_d_8h.html#ac3b19d4e6553b9bbf18a23387e439206">LCD_BLINKON</a>;
<a name="l00229"></a>00229 command(<a class="code" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD_DISPLAYCONTROL</a> | <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a>);
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="comment">// These commands scroll the display without changing the RAM</span>
<a name="l00233"></a><a class="code" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">00233</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">LCD::scrollDisplayLeft</a>(<span class="keywordtype">void</span>)
<a name="l00234"></a>00234 {
<a name="l00235"></a>00235 command(<a class="code" href="_l_c_d_8h.html#a61f16a2b7550e4700f7898a7587c5594">LCD_CURSORSHIFT</a> | <a class="code" href="_l_c_d_8h.html#ab2f7b67abfac33f610acfd5d7a971f40">LCD_DISPLAYMOVE</a> | <a class="code" href="_l_c_d_8h.html#aafb86adb0dfca1e65d65b2cd1946a009">LCD_MOVELEFT</a>);
<a name="l00236"></a>00236 }
<a name="l00237"></a>00237
<a name="l00238"></a><a class="code" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">00238</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">LCD::scrollDisplayRight</a>(<span class="keywordtype">void</span>)
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 command(<a class="code" href="_l_c_d_8h.html#a61f16a2b7550e4700f7898a7587c5594">LCD_CURSORSHIFT</a> | <a class="code" href="_l_c_d_8h.html#ab2f7b67abfac33f610acfd5d7a971f40">LCD_DISPLAYMOVE</a> | <a class="code" href="_l_c_d_8h.html#acf5999180233790bb2c9902efde58f7f">LCD_MOVERIGHT</a>);
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="comment">// This is for text that flows Left to Right</span>
<a name="l00244"></a><a class="code" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">00244</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">LCD::leftToRight</a>(<span class="keywordtype">void</span>)
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246 <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a> |= <a class="code" href="_l_c_d_8h.html#ae7c6309fce6200bd7526d090a4a84dd0">LCD_ENTRYLEFT</a>;
<a name="l00247"></a>00247 command(<a class="code" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">LCD_ENTRYMODESET</a> | <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a>);
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="comment">// This is for text that flows Right to Left</span>
<a name="l00251"></a><a class="code" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">00251</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">LCD::rightToLeft</a>(<span class="keywordtype">void</span>)
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253 <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a> &amp;= ~<a class="code" href="_l_c_d_8h.html#ae7c6309fce6200bd7526d090a4a84dd0">LCD_ENTRYLEFT</a>;
<a name="l00254"></a>00254 command(<a class="code" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">LCD_ENTRYMODESET</a> | <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a>);
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="comment">// This method moves the cursor one space to the right</span>
<a name="l00258"></a><a class="code" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">00258</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">LCD::moveCursorRight</a>(<span class="keywordtype">void</span>)
<a name="l00259"></a>00259 {
<a name="l00260"></a>00260 command(<a class="code" href="_l_c_d_8h.html#a61f16a2b7550e4700f7898a7587c5594">LCD_CURSORSHIFT</a> | <a class="code" href="_l_c_d_8h.html#ac21f0302ac4136775877d5f4759e4f74">LCD_CURSORMOVE</a> | <a class="code" href="_l_c_d_8h.html#acf5999180233790bb2c9902efde58f7f">LCD_MOVERIGHT</a>);
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="comment">// This method moves the cursor one space to the left</span>
<a name="l00264"></a><a class="code" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">00264</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">LCD::moveCursorLeft</a>(<span class="keywordtype">void</span>)
<a name="l00265"></a>00265 {
<a name="l00266"></a>00266 command(<a class="code" href="_l_c_d_8h.html#a61f16a2b7550e4700f7898a7587c5594">LCD_CURSORSHIFT</a> | <a class="code" href="_l_c_d_8h.html#ac21f0302ac4136775877d5f4759e4f74">LCD_CURSORMOVE</a> | <a class="code" href="_l_c_d_8h.html#aafb86adb0dfca1e65d65b2cd1946a009">LCD_MOVELEFT</a>);
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <span class="comment">// This will &#39;right justify&#39; text from the cursor</span>
<a name="l00271"></a><a class="code" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">00271</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">LCD::autoscroll</a>(<span class="keywordtype">void</span>)
<a name="l00272"></a>00272 {
<a name="l00273"></a>00273 <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a> |= <a class="code" href="_l_c_d_8h.html#aa2cf1d0f4a319e53c009cffe1184466c">LCD_ENTRYSHIFTINCREMENT</a>;
<a name="l00274"></a>00274 command(<a class="code" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">LCD_ENTRYMODESET</a> | <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a>);
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="comment">// This will &#39;left justify&#39; text from the cursor</span>
<a name="l00278"></a><a class="code" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">00278</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">LCD::noAutoscroll</a>(<span class="keywordtype">void</span>)
<a name="l00279"></a>00279 {
<a name="l00280"></a>00280 <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a> &amp;= ~<a class="code" href="_l_c_d_8h.html#aa2cf1d0f4a319e53c009cffe1184466c">LCD_ENTRYSHIFTINCREMENT</a>;
<a name="l00281"></a>00281 command(<a class="code" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">LCD_ENTRYMODESET</a> | <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a>);
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="comment">// Write to CGRAM of new characters</span>
<a name="l00285"></a><a class="code" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">00285</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">LCD::createChar</a>(uint8_t location, uint8_t charmap[])
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 location &amp;= 0x7; <span class="comment">// we only have 8 locations 0-7</span>
<a name="l00288"></a>00288
<a name="l00289"></a>00289 command(<a class="code" href="_l_c_d_8h.html#aae6ea856879c11dee58493184582a52f">LCD_SETCGRAMADDR</a> | (location &lt;&lt; 3));
<a name="l00290"></a>00290 delayMicroseconds(30);
<a name="l00291"></a>00291
<a name="l00292"></a>00292 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i&lt;8; i++)
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 <a class="code" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(charmap[i]); <span class="comment">// call the virtual write method</span>
<a name="l00295"></a>00295 delayMicroseconds(40);
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="comment">//</span>
<a name="l00300"></a>00300 <span class="comment">// Switch on the backlight</span>
<a name="l00301"></a><a class="code" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">00301</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">LCD::backlight</a> ( <span class="keywordtype">void</span> )
<a name="l00302"></a>00302 {
<a name="l00303"></a>00303 <a class="code" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">setBacklight</a>(255);
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305
<a name="l00306"></a>00306 <span class="comment">//</span>
<a name="l00307"></a>00307 <span class="comment">// Switch off the backlight</span>
<a name="l00308"></a><a class="code" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">00308</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">LCD::noBacklight</a> ( <span class="keywordtype">void</span> )
<a name="l00309"></a>00309 {
<a name="l00310"></a>00310 <a class="code" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">setBacklight</a>(0);
<a name="l00311"></a>00311 }
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="comment">//</span>
<a name="l00314"></a>00314 <span class="comment">// Switch fully on the LCD (backlight and LCD)</span>
<a name="l00315"></a><a class="code" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">00315</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">LCD::on</a> ( <span class="keywordtype">void</span> )
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 <a class="code" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>();
<a name="l00318"></a>00318 <a class="code" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>();
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320
<a name="l00321"></a>00321 <span class="comment">//</span>
<a name="l00322"></a>00322 <span class="comment">// Switch fully off the LCD (backlight and LCD) </span>
<a name="l00323"></a><a class="code" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">00323</a> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">LCD::off</a> ( <span class="keywordtype">void</span> )
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <a class="code" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a>();
<a name="l00326"></a>00326 <a class="code" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>();
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="comment">// General LCD commands - generic methods used by the rest of the commands</span>
<a name="l00330"></a>00330 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00331"></a>00331 <span class="keywordtype">void</span> LCD::command(uint8_t value)
<a name="l00332"></a>00332 {
<a name="l00333"></a>00333 send(value, <a class="code" href="_l_c_d_8h.html#ab0d87e07831e7e4943caef187872123e">COMMAND</a>);
<a name="l00334"></a>00334 }
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00337"></a><a class="code" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">00337</a> <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">LCD::write</a>(uint8_t value)
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339 send(value, <a class="code" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">DATA</a>);
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341 <span class="preprocessor">#else</span>
<a name="l00342"></a>00342 <span class="preprocessor"></span><span class="keywordtype">size_t</span> <a class="code" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">LCD::write</a>(uint8_t value)
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 send(value, <a class="code" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">DATA</a>);
<a name="l00345"></a>00345 <span class="keywordflow">return</span> 1; <span class="comment">// assume OK</span>
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347 <span class="preprocessor">#endif</span>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/LCD.h File Reference</div> </div>
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<div class="contents">
<div class="textblock"><code>#include &lt;WProgram.h&gt;</code><br/>
<code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &lt;Print.h&gt;</code><br/>
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<p><a href="_l_c_d_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html">LCD</a></td></tr>
<tr><td colspan="2"><h2><a name="define-members"></a>
Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a0f50ae3b4bdb42dd5ad74b2c604a7515">BACKLIGHT_OFF</a>&#160;&#160;&#160;0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#aa5bad1c51f5fac029f3deacfef48c54b">BACKLIGHT_ON</a>&#160;&#160;&#160;255</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#ab0d87e07831e7e4943caef187872123e">COMMAND</a>&#160;&#160;&#160;0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">DATA</a>&#160;&#160;&#160;1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a>&#160;&#160;&#160;2</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#ad25b138788d83e67f840588754e2df2f">HOME_CLEAR_EXEC</a>&#160;&#160;&#160;2000</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD_1LINE</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a7987e93538df2819583ba43b81ddbb25">LCD_2LINE</a>&#160;&#160;&#160;0x08</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD_4BITMODE</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#abb3210156d88d3fe18c9352eb161fe42">LCD_5x10DOTS</a>&#160;&#160;&#160;0x04</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a59a57ca857dae5d89eb5f2a38c4ac6f0">LCD_8BITMODE</a>&#160;&#160;&#160;0x10</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a4b28243034cec656b0ed490ba6979752">LCD_BLINKOFF</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#ac3b19d4e6553b9bbf18a23387e439206">LCD_BLINKON</a>&#160;&#160;&#160;0x01</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#acc3509bc0442b41e2b816555de473ed2">LCD_CLEARDISPLAY</a>&#160;&#160;&#160;0x01</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#ac21f0302ac4136775877d5f4759e4f74">LCD_CURSORMOVE</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a32b194a3adaa0a0bb69acee2e6a754fa">LCD_CURSOROFF</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#ab67f0adccde68de88eee0513fdfc4574">LCD_CURSORON</a>&#160;&#160;&#160;0x02</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a61f16a2b7550e4700f7898a7587c5594">LCD_CURSORSHIFT</a>&#160;&#160;&#160;0x10</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD_DISPLAYCONTROL</a>&#160;&#160;&#160;0x08</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#ab2f7b67abfac33f610acfd5d7a971f40">LCD_DISPLAYMOVE</a>&#160;&#160;&#160;0x08</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a257ebe775cac7140cf82aa40d8ce545a">LCD_DISPLAYOFF</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a76236ae8317b34bbc98ea56bc0a2639c">LCD_DISPLAYON</a>&#160;&#160;&#160;0x04</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#ae7c6309fce6200bd7526d090a4a84dd0">LCD_ENTRYLEFT</a>&#160;&#160;&#160;0x02</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">LCD_ENTRYMODESET</a>&#160;&#160;&#160;0x04</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a43c26ba2e66880fac95ef640b56873ad">LCD_ENTRYRIGHT</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a049ee97e98d04788c1da9a55590fbe42">LCD_ENTRYSHIFTDECREMENT</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#aa2cf1d0f4a319e53c009cffe1184466c">LCD_ENTRYSHIFTINCREMENT</a>&#160;&#160;&#160;0x01</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#aaef882ae70d1f485cd132815d9716111">LCD_FUNCTIONSET</a>&#160;&#160;&#160;0x20</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#aafb86adb0dfca1e65d65b2cd1946a009">LCD_MOVELEFT</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#acf5999180233790bb2c9902efde58f7f">LCD_MOVERIGHT</a>&#160;&#160;&#160;0x04</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a154c86a887633d0f6d9988e4dbb1f419">LCD_RETURNHOME</a>&#160;&#160;&#160;0x02</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#aae6ea856879c11dee58493184582a52f">LCD_SETCGRAMADDR</a>&#160;&#160;&#160;0x40</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a15008b832807a208d9d88c74e6751ebf">LCD_SETDDRAMADDR</a>&#160;&#160;&#160;0x80</td></tr>
<tr><td colspan="2"><h2><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> { <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>,
<a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865">NEGATIVE</a>
}</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a> (uint16_t uSec)</td></tr>
</table>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="a0f50ae3b4bdb42dd5ad74b2c604a7515"></a><!-- doxytag: member="LCD.h::BACKLIGHT_OFF" ref="a0f50ae3b4bdb42dd5ad74b2c604a7515" args="" -->
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<td class="memname">#define BACKLIGHT_OFF&#160;&#160;&#160;0</td>
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<p>Backlight off constant declaration Used in combination with the setBacklight to swith off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. setBacklight </p>
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00151">151</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="aa5bad1c51f5fac029f3deacfef48c54b"></a><!-- doxytag: member="LCD.h::BACKLIGHT_ON" ref="aa5bad1c51f5fac029f3deacfef48c54b" args="" -->
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<td class="memname">#define BACKLIGHT_ON&#160;&#160;&#160;255</td>
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<p>Backlight on constant declaration Used in combination with the setBacklight to swith on the <a class="el" href="class_l_c_d.html">LCD</a> backlight. setBacklight </p>
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00159">159</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="ab0d87e07831e7e4943caef187872123e"></a><!-- doxytag: member="LCD.h::COMMAND" ref="ab0d87e07831e7e4943caef187872123e" args="" -->
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<td class="memname">#define COMMAND&#160;&#160;&#160;0</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00132">132</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="aad9ae913bdfab20dd94ad04ee2d5b045"></a><!-- doxytag: member="LCD.h::DATA" ref="aad9ae913bdfab20dd94ad04ee2d5b045" args="" -->
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<td class="memname">#define DATA&#160;&#160;&#160;1</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00133">133</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="aa1e30e32b6c2cf8d90a9281328472dbe"></a><!-- doxytag: member="LCD.h::FOUR_BITS" ref="aa1e30e32b6c2cf8d90a9281328472dbe" args="" -->
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<td class="memname">#define FOUR_BITS&#160;&#160;&#160;2</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00134">134</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="ad25b138788d83e67f840588754e2df2f"></a><!-- doxytag: member="LCD.h::HOME_CLEAR_EXEC" ref="ad25b138788d83e67f840588754e2df2f" args="" -->
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<td class="memname">#define HOME_CLEAR_EXEC&#160;&#160;&#160;2000</td>
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<p>Defines the duration of the home and clear commands This constant defines the time it takes for the home and clear commands in the <a class="el" href="class_l_c_d.html">LCD</a> - Time in microseconds. </p>
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00143">143</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a8c85cf88d8af66a47c42249d81c94641"></a><!-- doxytag: member="LCD.h::LCD_1LINE" ref="a8c85cf88d8af66a47c42249d81c94641" args="" -->
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<td class="memname">#define LCD_1LINE&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00125">125</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a7987e93538df2819583ba43b81ddbb25"></a><!-- doxytag: member="LCD.h::LCD_2LINE" ref="a7987e93538df2819583ba43b81ddbb25" args="" -->
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<td class="memname">#define LCD_2LINE&#160;&#160;&#160;0x08</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00124">124</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="ab8c35d355d2372090c7a347e961c9224"></a><!-- doxytag: member="LCD.h::LCD_4BITMODE" ref="ab8c35d355d2372090c7a347e961c9224" args="" -->
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<td class="memname">#define LCD_4BITMODE&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00123">123</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="abb3210156d88d3fe18c9352eb161fe42"></a><!-- doxytag: member="LCD.h::LCD_5x10DOTS" ref="abb3210156d88d3fe18c9352eb161fe42" args="" -->
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<td class="memname">#define LCD_5x10DOTS&#160;&#160;&#160;0x04</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00126">126</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a9ef57e724c1b846dae0f531aff6fb464"></a><!-- doxytag: member="LCD.h::LCD_5x8DOTS" ref="a9ef57e724c1b846dae0f531aff6fb464" args="" -->
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<td class="memname">#define LCD_5x8DOTS&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00127">127</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a59a57ca857dae5d89eb5f2a38c4ac6f0"></a><!-- doxytag: member="LCD.h::LCD_8BITMODE" ref="a59a57ca857dae5d89eb5f2a38c4ac6f0" args="" -->
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<td class="memname">#define LCD_8BITMODE&#160;&#160;&#160;0x10</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00122">122</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a4b28243034cec656b0ed490ba6979752"></a><!-- doxytag: member="LCD.h::LCD_BLINKOFF" ref="a4b28243034cec656b0ed490ba6979752" args="" -->
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<td class="memname">#define LCD_BLINKOFF&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00111">111</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="ac3b19d4e6553b9bbf18a23387e439206"></a><!-- doxytag: member="LCD.h::LCD_BLINKON" ref="ac3b19d4e6553b9bbf18a23387e439206" args="" -->
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<td class="memname">#define LCD_BLINKON&#160;&#160;&#160;0x01</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00110">110</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="acc3509bc0442b41e2b816555de473ed2"></a><!-- doxytag: member="LCD.h::LCD_CLEARDISPLAY" ref="acc3509bc0442b41e2b816555de473ed2" args="" -->
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<td class="memname">#define LCD_CLEARDISPLAY&#160;&#160;&#160;0x01</td>
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<p>All these definitions shouldn't be used unless you are writing a driver. All these definitions are for driver implementation only and shouldn't be used by applications. </p>
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00088">88</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="ac21f0302ac4136775877d5f4759e4f74"></a><!-- doxytag: member="LCD.h::LCD_CURSORMOVE" ref="ac21f0302ac4136775877d5f4759e4f74" args="" -->
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00116">116</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a32b194a3adaa0a0bb69acee2e6a754fa"></a><!-- doxytag: member="LCD.h::LCD_CURSOROFF" ref="a32b194a3adaa0a0bb69acee2e6a754fa" args="" -->
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<td class="memname">#define LCD_CURSOROFF&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00109">109</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="ab67f0adccde68de88eee0513fdfc4574"></a><!-- doxytag: member="LCD.h::LCD_CURSORON" ref="ab67f0adccde68de88eee0513fdfc4574" args="" -->
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<td class="memname">#define LCD_CURSORON&#160;&#160;&#160;0x02</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00108">108</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a61f16a2b7550e4700f7898a7587c5594"></a><!-- doxytag: member="LCD.h::LCD_CURSORSHIFT" ref="a61f16a2b7550e4700f7898a7587c5594" args="" -->
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<td class="memname">#define LCD_CURSORSHIFT&#160;&#160;&#160;0x10</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00092">92</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="adfb8b2b8b8a08d7313504d7a4f89d99f"></a><!-- doxytag: member="LCD.h::LCD_DISPLAYCONTROL" ref="adfb8b2b8b8a08d7313504d7a4f89d99f" args="" -->
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<td class="memname">#define LCD_DISPLAYCONTROL&#160;&#160;&#160;0x08</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00091">91</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="ab2f7b67abfac33f610acfd5d7a971f40"></a><!-- doxytag: member="LCD.h::LCD_DISPLAYMOVE" ref="ab2f7b67abfac33f610acfd5d7a971f40" args="" -->
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<td class="memname">#define LCD_DISPLAYMOVE&#160;&#160;&#160;0x08</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00115">115</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a257ebe775cac7140cf82aa40d8ce545a"></a><!-- doxytag: member="LCD.h::LCD_DISPLAYOFF" ref="a257ebe775cac7140cf82aa40d8ce545a" args="" -->
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<td class="memname">#define LCD_DISPLAYOFF&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00107">107</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a76236ae8317b34bbc98ea56bc0a2639c"></a><!-- doxytag: member="LCD.h::LCD_DISPLAYON" ref="a76236ae8317b34bbc98ea56bc0a2639c" args="" -->
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<td class="memname">#define LCD_DISPLAYON&#160;&#160;&#160;0x04</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00106">106</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="ae7c6309fce6200bd7526d090a4a84dd0"></a><!-- doxytag: member="LCD.h::LCD_ENTRYLEFT" ref="ae7c6309fce6200bd7526d090a4a84dd0" args="" -->
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<td class="memname">#define LCD_ENTRYLEFT&#160;&#160;&#160;0x02</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00100">100</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a5597e1d5819ea2f0734ad4313abf6703"></a><!-- doxytag: member="LCD.h::LCD_ENTRYMODESET" ref="a5597e1d5819ea2f0734ad4313abf6703" args="" -->
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<td class="memname">#define LCD_ENTRYMODESET&#160;&#160;&#160;0x04</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00090">90</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a43c26ba2e66880fac95ef640b56873ad"></a><!-- doxytag: member="LCD.h::LCD_ENTRYRIGHT" ref="a43c26ba2e66880fac95ef640b56873ad" args="" -->
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<td class="memname">#define LCD_ENTRYRIGHT&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00099">99</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a049ee97e98d04788c1da9a55590fbe42"></a><!-- doxytag: member="LCD.h::LCD_ENTRYSHIFTDECREMENT" ref="a049ee97e98d04788c1da9a55590fbe42" args="" -->
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<td class="memname">#define LCD_ENTRYSHIFTDECREMENT&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00102">102</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="aa2cf1d0f4a319e53c009cffe1184466c"></a><!-- doxytag: member="LCD.h::LCD_ENTRYSHIFTINCREMENT" ref="aa2cf1d0f4a319e53c009cffe1184466c" args="" -->
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<td class="memname">#define LCD_ENTRYSHIFTINCREMENT&#160;&#160;&#160;0x01</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00101">101</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="aaef882ae70d1f485cd132815d9716111"></a><!-- doxytag: member="LCD.h::LCD_FUNCTIONSET" ref="aaef882ae70d1f485cd132815d9716111" args="" -->
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<td class="memname">#define LCD_FUNCTIONSET&#160;&#160;&#160;0x20</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00093">93</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="aafb86adb0dfca1e65d65b2cd1946a009"></a><!-- doxytag: member="LCD.h::LCD_MOVELEFT" ref="aafb86adb0dfca1e65d65b2cd1946a009" args="" -->
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<td class="memname">#define LCD_MOVELEFT&#160;&#160;&#160;0x00</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00118">118</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="acf5999180233790bb2c9902efde58f7f"></a><!-- doxytag: member="LCD.h::LCD_MOVERIGHT" ref="acf5999180233790bb2c9902efde58f7f" args="" -->
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<td class="memname">#define LCD_MOVERIGHT&#160;&#160;&#160;0x04</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00117">117</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a154c86a887633d0f6d9988e4dbb1f419"></a><!-- doxytag: member="LCD.h::LCD_RETURNHOME" ref="a154c86a887633d0f6d9988e4dbb1f419" args="" -->
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<td class="memname">#define LCD_RETURNHOME&#160;&#160;&#160;0x02</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00089">89</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="aae6ea856879c11dee58493184582a52f"></a><!-- doxytag: member="LCD.h::LCD_SETCGRAMADDR" ref="aae6ea856879c11dee58493184582a52f" args="" -->
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<td class="memname">#define LCD_SETCGRAMADDR&#160;&#160;&#160;0x40</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00094">94</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a15008b832807a208d9d88c74e6751ebf"></a><!-- doxytag: member="LCD.h::LCD_SETDDRAMADDR" ref="a15008b832807a208d9d88c74e6751ebf" args="" -->
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<td class="memname">#define LCD_SETDDRAMADDR&#160;&#160;&#160;0x80</td>
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<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00095">95</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<hr/><h2>Enumeration Type Documentation</h2>
<a class="anchor" id="aeeef728bf4726268aa5e99391a1502bc"></a><!-- doxytag: member="LCD.h::t_backlighPol" ref="aeeef728bf4726268aa5e99391a1502bc" args="" -->
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<td class="memname">enum <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a></td>
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<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5"></a><!-- doxytag: member="POSITIVE" ref="aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5" args="" -->POSITIVE</em>&nbsp;</td><td>
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<tr><td valign="top"><em><a class="anchor" id="aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865"></a><!-- doxytag: member="NEGATIVE" ref="aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865" args="" -->NEGATIVE</em>&nbsp;</td><td>
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</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00167">167</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a6eac41e4be58d7736ac0c19de225c0dc"></a><!-- doxytag: member="LCD.h::waitUsec" ref="a6eac41e4be58d7736ac0c19de225c0dc" args="(uint16_t uSec)" -->
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<td class="memname">static void waitUsec </td>
<td>(</td>
<td class="paramtype">uint16_t&#160;</td>
<td class="paramname"><em>uSec</em></td><td>)</td>
<td><code> [inline, static]</code></td>
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<p>Enables disables fast waits for write operations for <a class="el" href="class_l_c_d.html">LCD</a> If defined, the library will avoid doing un-necessary waits. this can be done, because the time taken by Arduino's slow digitalWrite operations. If fast digitalIO operations, comment this line out or undefine the mode.</p>
<p>waits for a given time in microseconds (compilation dependent). Waits for a given time defined in microseconds depending on the FAST_MODE define. If the FAST_MODE is defined the call will return inmediatelly. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">uSec[in]</td><td>time in microseconds. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>None </dd></dl>
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00071">71</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a href="_l_c_d_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LCD.h</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic liquid crystal library that comes as standard</span>
<a name="l00014"></a>00014 <span class="comment">// in the Arduino SDK.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a basic implementation of the LiquidCrystal library of the</span>
<a name="l00018"></a>00018 <span class="comment">// Arduino SDK. This library is a refactored version of the one supplied</span>
<a name="l00019"></a>00019 <span class="comment">// in the Arduino SDK in such a way that it simplifies its extension</span>
<a name="l00020"></a>00020 <span class="comment">// to support other mechanism to communicate to LCDs such as I2C, Serial, SR, </span>
<a name="l00021"></a>00021 <span class="comment">// The original library has been reworked in such a way that this will be</span>
<a name="l00022"></a>00022 <span class="comment">// the base class implementing all generic methods to command an LCD based</span>
<a name="l00023"></a>00023 <span class="comment">// on the Hitachi HD44780 and compatible chipsets.</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// This base class is a pure abstract class and needs to be extended. As reference,</span>
<a name="l00026"></a>00026 <span class="comment">// it has been extended to drive 4 and 8 bit mode control, LCDs and I2C extension</span>
<a name="l00027"></a>00027 <span class="comment">// backpacks such as the I2CLCDextraIO using the PCF8574* I2C IO Expander ASIC.</span>
<a name="l00028"></a>00028 <span class="comment">//</span>
<a name="l00029"></a>00029 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00030"></a>00030 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library.</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00032"></a>00032 <span class="comment">// @version API 1.1.0</span>
<a name="l00033"></a>00033 <span class="comment">//</span>
<a name="l00034"></a>00034 <span class="comment">//</span>
<a name="l00035"></a>00035 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00036"></a>00036 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00037"></a>00037 <span class="preprocessor">#ifndef _LCD_H_</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#define _LCD_H_</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#else</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00044"></a>00044 <span class="preprocessor">#endif</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00047"></a>00047 <span class="preprocessor">#include &lt;Print.h&gt;</span>
<a name="l00048"></a>00048
<a name="l00049"></a>00049
<a name="l00058"></a>00058 <span class="preprocessor">#ifdef __AVR__</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define FAST_MODE</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span>
<a name="l00071"></a><a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">00071</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a> ( uint16_t uSec )
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="preprocessor">#ifndef FAST_MODE</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span> delayMicroseconds ( uSec );
<a name="l00075"></a>00075 <span class="preprocessor">#endif // FAST_MODE</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span>}
<a name="l00077"></a>00077
<a name="l00078"></a>00078
<a name="l00086"></a>00086 <span class="comment">// LCD Commands</span>
<a name="l00087"></a>00087 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00088"></a><a class="code" href="_l_c_d_8h.html#acc3509bc0442b41e2b816555de473ed2">00088</a> <span class="preprocessor">#define LCD_CLEARDISPLAY 0x01</span>
<a name="l00089"></a><a class="code" href="_l_c_d_8h.html#a154c86a887633d0f6d9988e4dbb1f419">00089</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_RETURNHOME 0x02</span>
<a name="l00090"></a><a class="code" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">00090</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_ENTRYMODESET 0x04</span>
<a name="l00091"></a><a class="code" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">00091</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_DISPLAYCONTROL 0x08</span>
<a name="l00092"></a><a class="code" href="_l_c_d_8h.html#a61f16a2b7550e4700f7898a7587c5594">00092</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_CURSORSHIFT 0x10</span>
<a name="l00093"></a><a class="code" href="_l_c_d_8h.html#aaef882ae70d1f485cd132815d9716111">00093</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_FUNCTIONSET 0x20</span>
<a name="l00094"></a><a class="code" href="_l_c_d_8h.html#aae6ea856879c11dee58493184582a52f">00094</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_SETCGRAMADDR 0x40</span>
<a name="l00095"></a><a class="code" href="_l_c_d_8h.html#a15008b832807a208d9d88c74e6751ebf">00095</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_SETDDRAMADDR 0x80</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span>
<a name="l00097"></a>00097 <span class="comment">// flags for display entry mode</span>
<a name="l00098"></a>00098 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00099"></a><a class="code" href="_l_c_d_8h.html#a43c26ba2e66880fac95ef640b56873ad">00099</a> <span class="preprocessor">#define LCD_ENTRYRIGHT 0x00</span>
<a name="l00100"></a><a class="code" href="_l_c_d_8h.html#ae7c6309fce6200bd7526d090a4a84dd0">00100</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_ENTRYLEFT 0x02</span>
<a name="l00101"></a><a class="code" href="_l_c_d_8h.html#aa2cf1d0f4a319e53c009cffe1184466c">00101</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_ENTRYSHIFTINCREMENT 0x01</span>
<a name="l00102"></a><a class="code" href="_l_c_d_8h.html#a049ee97e98d04788c1da9a55590fbe42">00102</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_ENTRYSHIFTDECREMENT 0x00</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span>
<a name="l00104"></a>00104 <span class="comment">// flags for display on/off and cursor control</span>
<a name="l00105"></a>00105 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00106"></a><a class="code" href="_l_c_d_8h.html#a76236ae8317b34bbc98ea56bc0a2639c">00106</a> <span class="preprocessor">#define LCD_DISPLAYON 0x04</span>
<a name="l00107"></a><a class="code" href="_l_c_d_8h.html#a257ebe775cac7140cf82aa40d8ce545a">00107</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_DISPLAYOFF 0x00</span>
<a name="l00108"></a><a class="code" href="_l_c_d_8h.html#ab67f0adccde68de88eee0513fdfc4574">00108</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_CURSORON 0x02</span>
<a name="l00109"></a><a class="code" href="_l_c_d_8h.html#a32b194a3adaa0a0bb69acee2e6a754fa">00109</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_CURSOROFF 0x00</span>
<a name="l00110"></a><a class="code" href="_l_c_d_8h.html#ac3b19d4e6553b9bbf18a23387e439206">00110</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_BLINKON 0x01</span>
<a name="l00111"></a><a class="code" href="_l_c_d_8h.html#a4b28243034cec656b0ed490ba6979752">00111</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_BLINKOFF 0x00</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span>
<a name="l00113"></a>00113 <span class="comment">// flags for display/cursor shift</span>
<a name="l00114"></a>00114 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00115"></a><a class="code" href="_l_c_d_8h.html#ab2f7b67abfac33f610acfd5d7a971f40">00115</a> <span class="preprocessor">#define LCD_DISPLAYMOVE 0x08</span>
<a name="l00116"></a><a class="code" href="_l_c_d_8h.html#ac21f0302ac4136775877d5f4759e4f74">00116</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_CURSORMOVE 0x00</span>
<a name="l00117"></a><a class="code" href="_l_c_d_8h.html#acf5999180233790bb2c9902efde58f7f">00117</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_MOVERIGHT 0x04</span>
<a name="l00118"></a><a class="code" href="_l_c_d_8h.html#aafb86adb0dfca1e65d65b2cd1946a009">00118</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_MOVELEFT 0x00</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span>
<a name="l00120"></a>00120 <span class="comment">// flags for function set</span>
<a name="l00121"></a>00121 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00122"></a><a class="code" href="_l_c_d_8h.html#a59a57ca857dae5d89eb5f2a38c4ac6f0">00122</a> <span class="preprocessor">#define LCD_8BITMODE 0x10</span>
<a name="l00123"></a><a class="code" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">00123</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_4BITMODE 0x00</span>
<a name="l00124"></a><a class="code" href="_l_c_d_8h.html#a7987e93538df2819583ba43b81ddbb25">00124</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_2LINE 0x08</span>
<a name="l00125"></a><a class="code" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">00125</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_1LINE 0x00</span>
<a name="l00126"></a><a class="code" href="_l_c_d_8h.html#abb3210156d88d3fe18c9352eb161fe42">00126</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_5x10DOTS 0x04</span>
<a name="l00127"></a><a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">00127</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_5x8DOTS 0x00</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span>
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="comment">// Define COMMAND and DATA LCD Rs (used by send method).</span>
<a name="l00131"></a>00131 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00132"></a><a class="code" href="_l_c_d_8h.html#ab0d87e07831e7e4943caef187872123e">00132</a> <span class="preprocessor">#define COMMAND 0</span>
<a name="l00133"></a><a class="code" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">00133</a> <span class="preprocessor"></span><span class="preprocessor">#define DATA 1</span>
<a name="l00134"></a><a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">00134</a> <span class="preprocessor"></span><span class="preprocessor">#define FOUR_BITS 2</span>
<a name="l00135"></a>00135 <span class="preprocessor"></span>
<a name="l00136"></a>00136
<a name="l00143"></a><a class="code" href="_l_c_d_8h.html#ad25b138788d83e67f840588754e2df2f">00143</a> <span class="preprocessor">#define HOME_CLEAR_EXEC 2000</span>
<a name="l00144"></a>00144 <span class="preprocessor"></span>
<a name="l00151"></a><a class="code" href="_l_c_d_8h.html#a0f50ae3b4bdb42dd5ad74b2c604a7515">00151</a> <span class="preprocessor">#define BACKLIGHT_OFF 0</span>
<a name="l00152"></a>00152 <span class="preprocessor"></span>
<a name="l00159"></a><a class="code" href="_l_c_d_8h.html#aa5bad1c51f5fac029f3deacfef48c54b">00159</a> <span class="preprocessor">#define BACKLIGHT_ON 255</span>
<a name="l00160"></a>00160 <span class="preprocessor"></span>
<a name="l00161"></a>00161
<a name="l00167"></a><a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">00167</a> <span class="keyword">typedef</span> <span class="keyword">enum</span> { <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865">NEGATIVE</a> } <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>;
<a name="l00168"></a>00168
<a name="l00169"></a><a class="code" href="class_l_c_d.html">00169</a> <span class="keyword">class </span><a class="code" href="class_l_c_d.html">LCD</a> : <span class="keyword">public</span> Print
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 <span class="keyword">public</span>:
<a name="l00172"></a>00172
<a name="l00179"></a>00179 <a class="code" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a> ( );
<a name="l00180"></a>00180
<a name="l00196"></a>00196 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize = <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>);
<a name="l00197"></a>00197
<a name="l00208"></a>00208 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>();
<a name="l00209"></a>00209
<a name="l00221"></a>00221 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a>();
<a name="l00222"></a>00222
<a name="l00231"></a>00231 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>();
<a name="l00232"></a>00232
<a name="l00242"></a>00242 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>();
<a name="l00243"></a>00243
<a name="l00250"></a>00250 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a>();
<a name="l00251"></a>00251
<a name="l00260"></a>00260 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a>();
<a name="l00261"></a>00261
<a name="l00268"></a>00268 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a>();
<a name="l00269"></a>00269
<a name="l00278"></a>00278 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a>();
<a name="l00279"></a>00279
<a name="l00287"></a>00287 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a>();
<a name="l00288"></a>00288
<a name="l00296"></a>00296 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a>();
<a name="l00297"></a>00297
<a name="l00309"></a>00309 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a>();
<a name="l00310"></a>00310
<a name="l00322"></a>00322 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a>();
<a name="l00323"></a>00323
<a name="l00330"></a>00330 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a>();
<a name="l00331"></a>00331
<a name="l00332"></a>00332
<a name="l00339"></a>00339 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a>();
<a name="l00340"></a>00340
<a name="l00354"></a>00354 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a>();
<a name="l00355"></a>00355
<a name="l00364"></a>00364 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">noAutoscroll</a>();
<a name="l00365"></a>00365
<a name="l00382"></a>00382 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, uint8_t charmap[]);
<a name="l00383"></a>00383
<a name="l00393"></a>00393 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row);
<a name="l00394"></a>00394
<a name="l00402"></a>00402 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a> ( <span class="keywordtype">void</span> );
<a name="l00403"></a>00403
<a name="l00411"></a>00411 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a> ( <span class="keywordtype">void</span> );
<a name="l00412"></a>00412
<a name="l00420"></a>00420 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a> ( <span class="keywordtype">void</span> );
<a name="l00421"></a>00421
<a name="l00429"></a>00429 <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a> ( <span class="keywordtype">void</span> );
<a name="l00430"></a>00430
<a name="l00431"></a>00431 <span class="comment">//</span>
<a name="l00432"></a>00432 <span class="comment">// virtual class methods</span>
<a name="l00433"></a>00433 <span class="comment">// --------------------------------------------------------------------------</span>
<a name="l00444"></a><a class="code" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">00444</a> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">setBacklightPin</a> ( uint8_t value, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol ) { };
<a name="l00445"></a>00445
<a name="l00463"></a><a class="code" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">00463</a> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">setBacklight</a> ( uint8_t value ) { };
<a name="l00464"></a>00464
<a name="l00476"></a>00476 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00477"></a>00477 <span class="preprocessor"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value);
<a name="l00478"></a>00478 <span class="preprocessor">#else</span>
<a name="l00479"></a>00479 <span class="preprocessor"></span> <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value);
<a name="l00480"></a>00480 <span class="preprocessor">#endif</span>
<a name="l00481"></a>00481 <span class="preprocessor"></span>
<a name="l00482"></a>00482 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00483"></a>00483 <span class="preprocessor"></span> <span class="keyword">using</span> <a class="code" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">Print::write</a>;
<a name="l00484"></a>00484 <span class="preprocessor">#else</span>
<a name="l00485"></a>00485 <span class="preprocessor"></span> <span class="keyword">using</span> <a class="code" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">Print::write</a>;
<a name="l00486"></a>00486 <span class="preprocessor">#endif </span>
<a name="l00487"></a>00487 <span class="preprocessor"></span>
<a name="l00488"></a>00488 <span class="keyword">protected</span>:
<a name="l00489"></a>00489 <span class="comment">// Internal LCD variables to control the LCD shared between all derived</span>
<a name="l00490"></a>00490 <span class="comment">// classes.</span>
<a name="l00491"></a><a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">00491</a> uint8_t <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a>; <span class="comment">// LCD_5x10DOTS or LCD_5x8DOTS, LCD_4BITMODE or </span>
<a name="l00492"></a>00492 <span class="comment">// LCD_8BITMODE, LCD_1LINE or LCD_2LINE</span>
<a name="l00493"></a><a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">00493</a> uint8_t <a class="code" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a>; <span class="comment">// LCD base control command LCD on/off, blink, cursor</span>
<a name="l00494"></a>00494 <span class="comment">// all commands are &quot;ored&quot; to its contents.</span>
<a name="l00495"></a><a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">00495</a> uint8_t <a class="code" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a>; <span class="comment">// Text entry mode to the LCD</span>
<a name="l00496"></a><a class="code" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">00496</a> uint8_t <a class="code" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a>; <span class="comment">// Number of lines of the LCD, initialized with begin()</span>
<a name="l00497"></a><a class="code" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">00497</a> uint8_t <a class="code" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a>; <span class="comment">// Number of columns in the LCD</span>
<a name="l00498"></a><a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">00498</a> <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> <a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a>; <span class="comment">// Backlight polarity</span>
<a name="l00499"></a>00499
<a name="l00500"></a>00500 <span class="keyword">private</span>:
<a name="l00513"></a>00513 <span class="keywordtype">void</span> command(uint8_t value);
<a name="l00514"></a>00514
<a name="l00528"></a>00528 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00529"></a>00529 <span class="preprocessor"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> send(uint8_t value, uint8_t mode) { };
<a name="l00530"></a>00530 <span class="preprocessor">#else</span>
<a name="l00531"></a>00531 <span class="preprocessor"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> send(uint8_t value, uint8_t mode) = 0;
<a name="l00532"></a>00532 <span class="preprocessor">#endif</span>
<a name="l00533"></a>00533 <span class="preprocessor"></span>
<a name="l00534"></a>00534 };
<a name="l00535"></a>00535
<a name="l00536"></a>00536 <span class="preprocessor">#endif</span>
</pre></div></div>
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<div class="textblock"><code>#include &lt;stdio.h&gt;</code><br/>
<code>#include &lt;string.h&gt;</code><br/>
<code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &lt;WProgram.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_liquid_crystal_8h_source.html">LiquidCrystal.h</a>&quot;</code><br/>
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Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal_8cpp.html#a31e1c14e8c2845dec3301f0ebd36b43c">LCD_4BIT</a>&#160;&#160;&#160;1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal_8cpp.html#a57d84af8cf61ceee4eb91db77889f071">LCD_8BIT</a>&#160;&#160;&#160;0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a>&#160;&#160;&#160;0xFF</td></tr>
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<hr/><h2>Define Documentation</h2>
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<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00045">45</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
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<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00046">46</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
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<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00042">42</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
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<a href="_liquid_crystal_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal.cpp</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic liquid crystal library that comes as standard</span>
<a name="l00014"></a>00014 <span class="comment">// in the Arduino SDK.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a basic implementation of the LiquidCrystal library of the</span>
<a name="l00018"></a>00018 <span class="comment">// Arduino SDK. The original library has been reworked in such a way that </span>
<a name="l00019"></a>00019 <span class="comment">// this class implements the all methods to command an LCD based</span>
<a name="l00020"></a>00020 <span class="comment">// on the Hitachi HD44780 and compatible chipsets using the parallel port of</span>
<a name="l00021"></a>00021 <span class="comment">// the LCD (4 bit and 8 bit).</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00024"></a>00024 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library.</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00028"></a>00028 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00035"></a>00035 <span class="preprocessor">#else</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#endif</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="_liquid_crystal_8h.html">LiquidCrystal.h</a>&quot;</span>
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="comment">// CONSTANT definitions</span>
<a name="l00041"></a>00041 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00042"></a><a class="code" href="_liquid_crystal_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">00042</a> <span class="preprocessor">#define LCD_NOBACKLIGHT 0xFF</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="comment">// LCD driver configuration (4bit or 8bit driver control)</span>
<a name="l00045"></a><a class="code" href="_liquid_crystal_8cpp.html#a31e1c14e8c2845dec3301f0ebd36b43c">00045</a> <span class="preprocessor">#define LCD_4BIT 1</span>
<a name="l00046"></a><a class="code" href="_liquid_crystal_8cpp.html#a57d84af8cf61ceee4eb91db77889f071">00046</a> <span class="preprocessor"></span><span class="preprocessor">#define LCD_8BIT 0</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span>
<a name="l00048"></a>00048 <span class="comment">// STATIC helper functions</span>
<a name="l00049"></a>00049 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00050"></a>00050
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="comment">// CONSTRUCTORS</span>
<a name="l00053"></a>00053 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00054"></a>00054
<a name="l00055"></a><a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">00055</a> <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal::LiquidCrystal</a>(uint8_t rs, uint8_t enable,
<a name="l00056"></a>00056 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00057"></a>00057 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 init(<a class="code" href="_liquid_crystal_8cpp.html#a57d84af8cf61ceee4eb91db77889f071">LCD_8BIT</a>, rs, 255, enable, d0, d1, d2, d3, d4, d5, d6, d7);
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a><a class="code" href="class_liquid_crystal.html#a30e3d865c4b4a003a36cb45903f93644">00062</a> <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal::LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00063"></a>00063 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00064"></a>00064 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 init(<a class="code" href="_liquid_crystal_8cpp.html#a57d84af8cf61ceee4eb91db77889f071">LCD_8BIT</a>, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a><a class="code" href="class_liquid_crystal.html#a0a0a8dfa7a2e775a031fd65f5c6366ec">00069</a> <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal::LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00070"></a>00070 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 init(<a class="code" href="_liquid_crystal_8cpp.html#a31e1c14e8c2845dec3301f0ebd36b43c">LCD_4BIT</a>, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074
<a name="l00075"></a><a class="code" href="class_liquid_crystal.html#a23124e6dd5ac4a9b6147629b96e91953">00075</a> <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal::LiquidCrystal</a>(uint8_t rs, uint8_t enable,
<a name="l00076"></a>00076 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 init(<a class="code" href="_liquid_crystal_8cpp.html#a31e1c14e8c2845dec3301f0ebd36b43c">LCD_4BIT</a>, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="comment">// Contructors with backlight control</span>
<a name="l00082"></a><a class="code" href="class_liquid_crystal.html#aff2330186495fde93370d46c0ca2cbf0">00082</a> <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal::LiquidCrystal</a>(uint8_t rs, uint8_t enable,
<a name="l00083"></a>00083 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00084"></a>00084 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
<a name="l00085"></a>00085 uint8_t backlightPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)
<a name="l00086"></a>00086 {
<a name="l00087"></a>00087 init(<a class="code" href="_liquid_crystal_8cpp.html#a57d84af8cf61ceee4eb91db77889f071">LCD_8BIT</a>, rs, 255, enable, d0, d1, d2, d3, d4, d5, d6, d7);
<a name="l00088"></a>00088 <a class="code" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a> ( backlightPin, pol );
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a><a class="code" href="class_liquid_crystal.html#ae0c3c8f7661634b1400f00a1c9c02c26">00091</a> <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal::LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00092"></a>00092 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00093"></a>00093 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
<a name="l00094"></a>00094 uint8_t backlightPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 init(<a class="code" href="_liquid_crystal_8cpp.html#a57d84af8cf61ceee4eb91db77889f071">LCD_8BIT</a>, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7);
<a name="l00097"></a>00097 <a class="code" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a> ( backlightPin, pol );
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a><a class="code" href="class_liquid_crystal.html#a8b90122c67a6d14b967c8a11ba490670">00100</a> <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal::LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00101"></a>00101 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00102"></a>00102 uint8_t backlightPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 init(<a class="code" href="_liquid_crystal_8cpp.html#a31e1c14e8c2845dec3301f0ebd36b43c">LCD_4BIT</a>, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0);
<a name="l00105"></a>00105 <a class="code" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a> ( backlightPin, pol );
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a><a class="code" href="class_liquid_crystal.html#a52a4de3d866e347208a32dfc9d797729">00108</a> <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal::LiquidCrystal</a>(uint8_t rs, uint8_t enable,
<a name="l00109"></a>00109 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00110"></a>00110 uint8_t backlightPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 init(<a class="code" href="_liquid_crystal_8cpp.html#a31e1c14e8c2845dec3301f0ebd36b43c">LCD_4BIT</a>, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0);
<a name="l00113"></a>00113 <a class="code" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a> ( backlightPin, pol );
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="comment">// PUBLIC METHODS</span>
<a name="l00117"></a>00117 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="comment">/************ low level data pushing commands **********/</span>
<a name="l00120"></a>00120 <span class="comment">//</span>
<a name="l00121"></a>00121 <span class="comment">// send</span>
<a name="l00122"></a><a class="code" href="class_liquid_crystal.html#a56142f8b3753bedd133e4139e5eb5089">00122</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal.html#a56142f8b3753bedd133e4139e5eb5089">LiquidCrystal::send</a>(uint8_t value, uint8_t mode)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <span class="comment">// Only interested in COMMAND or DATA</span>
<a name="l00125"></a>00125 digitalWrite( _rs_pin, ( mode == <a class="code" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">DATA</a> ) );
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="comment">// if there is a RW pin indicated, set it low to Write</span>
<a name="l00128"></a>00128 <span class="comment">// ---------------------------------------------------</span>
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (_rw_pin != 255)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 digitalWrite(_rw_pin, LOW);
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keywordflow">if</span> ( mode != <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a> )
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 <span class="keywordflow">if</span> ( (<a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> &amp; <a class="code" href="_l_c_d_8h.html#a59a57ca857dae5d89eb5f2a38c4ac6f0">LCD_8BITMODE</a> ) )
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 writeNbits(value, 8);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 <span class="keywordflow">else</span>
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142 writeNbits ( value &gt;&gt; 4, 4 );
<a name="l00143"></a>00143 writeNbits ( value, 4 );
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146 <span class="keywordflow">else</span>
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 writeNbits ( value, 4 );
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150 <a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a> ( <a class="code" href="_liquid_crystal_8h.html#adebff0f00a59c9f9863bc196938d5726">EXEC_TIME</a> ); <span class="comment">// wait for the command to execute by the LCD</span>
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="comment">//</span>
<a name="l00154"></a>00154 <span class="comment">// setBacklightPin</span>
<a name="l00155"></a><a class="code" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">00155</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">LiquidCrystal::setBacklightPin</a> ( uint8_t pin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol )
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 pinMode ( pin, OUTPUT ); <span class="comment">// Difine the backlight pin as output</span>
<a name="l00158"></a>00158 _backlightPin = pin;
<a name="l00159"></a>00159 <a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> = pol;
<a name="l00160"></a>00160 <a class="code" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">setBacklight</a>(<a class="code" href="_l_c_d_8h.html#a0f50ae3b4bdb42dd5ad74b2c604a7515">BACKLIGHT_OFF</a>); <span class="comment">// Set the backlight low by default</span>
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="comment">//</span>
<a name="l00164"></a>00164 <span class="comment">// setBackligh</span>
<a name="l00165"></a><a class="code" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">00165</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">LiquidCrystal::setBacklight</a> ( uint8_t value )
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 <span class="comment">// Check if there is a pin assigned to the backlight</span>
<a name="l00168"></a>00168 <span class="comment">// ---------------------------------------------------</span>
<a name="l00169"></a>00169 <span class="keywordflow">if</span> ( _backlightPin != <a class="code" href="_liquid_crystal_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a> )
<a name="l00170"></a>00170 {
<a name="l00171"></a>00171 <span class="comment">// Check if the pin is associated to a timer, i.e. PWM</span>
<a name="l00172"></a>00172 <span class="comment">// ---------------------------------------------------</span>
<a name="l00173"></a>00173 <span class="keywordflow">if</span>(digitalPinToTimer(_backlightPin) != NOT_ON_TIMER)
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 <span class="comment">// Check for control polarity inversion</span>
<a name="l00176"></a>00176 <span class="comment">// ---------------------------------------------------</span>
<a name="l00177"></a>00177 <span class="keywordflow">if</span> ( <a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a> )
<a name="l00178"></a>00178 {
<a name="l00179"></a>00179 analogWrite ( _backlightPin, value );
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181 <span class="keywordflow">else</span>
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 analogWrite ( _backlightPin, 255 - value );
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 <span class="comment">// Not a PWM pin, set the backlight pin for POSI or NEG</span>
<a name="l00187"></a>00187 <span class="comment">// polarity</span>
<a name="l00188"></a>00188 <span class="comment">// --------------------------------------------------------</span>
<a name="l00189"></a>00189 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (((value &gt; 0) &amp;&amp; (<a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>)) ||
<a name="l00190"></a>00190 ((value == 0) &amp;&amp; (<a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865">NEGATIVE</a>)))
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 digitalWrite( _backlightPin, HIGH);
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 <span class="keywordflow">else</span>
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 digitalWrite( _backlightPin, LOW);
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="comment">// PRIVATE METHODS</span>
<a name="l00202"></a>00202 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00203"></a>00203
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">// init</span>
<a name="l00206"></a>00206 <span class="keywordtype">void</span> LiquidCrystal::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00207"></a>00207 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00208"></a>00208 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 uint8_t i;
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="comment">// Initialize the IO pins</span>
<a name="l00213"></a>00213 <span class="comment">// -----------------------</span>
<a name="l00214"></a>00214
<a name="l00215"></a>00215 _rs_pin = rs;
<a name="l00216"></a>00216 _rw_pin = rw;
<a name="l00217"></a>00217 _enable_pin = enable;
<a name="l00218"></a>00218
<a name="l00219"></a>00219 _data_pins[0] = d0;
<a name="l00220"></a>00220 _data_pins[1] = d1;
<a name="l00221"></a>00221 _data_pins[2] = d2;
<a name="l00222"></a>00222 _data_pins[3] = d3;
<a name="l00223"></a>00223 _data_pins[4] = d4;
<a name="l00224"></a>00224 _data_pins[5] = d5;
<a name="l00225"></a>00225 _data_pins[6] = d6;
<a name="l00226"></a>00226 _data_pins[7] = d7;
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="comment">// Initialize the IO port direction to OUTPUT</span>
<a name="l00229"></a>00229 <span class="comment">// ------------------------------------------</span>
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="keywordflow">for</span> ( i = 0; i &lt; 4; i++ )
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 pinMode ( _data_pins[i], OUTPUT );
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="comment">// Initialize the rest of the ports if it is an 8bit controlled LCD</span>
<a name="l00237"></a>00237 <span class="comment">// ----------------------------------------------------------------</span>
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="keywordflow">if</span> ( !fourbitmode )
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241 <span class="keywordflow">for</span> ( i = 4; i &lt; 8; i++ )
<a name="l00242"></a>00242 {
<a name="l00243"></a>00243 pinMode ( _data_pins[i], OUTPUT );
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246 pinMode(_rs_pin, OUTPUT);
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="comment">// we can save 1 pin by not using RW. Indicate by passing 255 instead of pin#</span>
<a name="l00249"></a>00249 <span class="keywordflow">if</span> (_rw_pin != 255)
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251 pinMode(_rw_pin, OUTPUT);
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254 pinMode(_enable_pin, OUTPUT);
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="comment">// Initialise displaymode functions to defaults: LCD_1LINE and LCD_5x8DOTS</span>
<a name="l00257"></a>00257 <span class="comment">// -------------------------------------------------------------------------</span>
<a name="l00258"></a>00258 <span class="keywordflow">if</span> (fourbitmode)
<a name="l00259"></a>00259 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> = <a class="code" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD_4BITMODE</a> | <a class="code" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD_1LINE</a> | <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>;
<a name="l00260"></a>00260 <span class="keywordflow">else</span>
<a name="l00261"></a>00261 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> = <a class="code" href="_l_c_d_8h.html#a59a57ca857dae5d89eb5f2a38c4ac6f0">LCD_8BITMODE</a> | <a class="code" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD_1LINE</a> | <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="comment">// Now we pull both RS and R/W low to begin commands</span>
<a name="l00264"></a>00264 digitalWrite(_rs_pin, LOW);
<a name="l00265"></a>00265 digitalWrite(_enable_pin, LOW);
<a name="l00266"></a>00266
<a name="l00267"></a>00267 <span class="keywordflow">if</span> (_rw_pin != 255)
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 digitalWrite(_rw_pin, LOW);
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="comment">// Initialise the backlight pin no nothing</span>
<a name="l00273"></a>00273 _backlightPin = <a class="code" href="_liquid_crystal_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a>;
<a name="l00274"></a>00274 <a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>;
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="comment">//</span>
<a name="l00278"></a>00278 <span class="comment">// pulseEnable</span>
<a name="l00279"></a>00279 <span class="keywordtype">void</span> LiquidCrystal::pulseEnable(<span class="keywordtype">void</span>)
<a name="l00280"></a>00280 {
<a name="l00281"></a>00281 <span class="comment">// There is no need for the delays, since the digitalWrite operation</span>
<a name="l00282"></a>00282 <span class="comment">// takes longer.</span>
<a name="l00283"></a>00283 digitalWrite(_enable_pin, HIGH);
<a name="l00284"></a>00284 <a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a>(1); <span class="comment">// enable pulse must be &gt; 450ns </span>
<a name="l00285"></a>00285 digitalWrite(_enable_pin, LOW);
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="comment">//</span>
<a name="l00289"></a>00289 <span class="comment">// write4bits</span>
<a name="l00290"></a>00290 <span class="keywordtype">void</span> LiquidCrystal::writeNbits(uint8_t value, uint8_t numBits)
<a name="l00291"></a>00291 {
<a name="l00292"></a>00292 <span class="keywordflow">for</span> (uint8_t i = 0; i &lt; numBits; i++)
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 digitalWrite(_data_pins[i], (value &gt;&gt; i) &amp; 0x01);
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296 pulseEnable();
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298
<a name="l00299"></a>00299
</pre></div></div>
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<div class="textblock"><code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_l_c_d_8h_source.html">LCD.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>&quot;</code><br/>
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<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal_8h.html#adebff0f00a59c9f9863bc196938d5726">EXEC_TIME</a>&#160;&#160;&#160;37</td></tr>
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<p>Command execution time on the <a class="el" href="class_l_c_d.html">LCD</a>. This defines how long a command takes to execute by the <a class="el" href="class_l_c_d.html">LCD</a>. The time is expressed in micro-seconds. </p>
<p>Definition at line <a class="el" href="_liquid_crystal_8h_source.html#l00042">42</a> of file <a class="el" href="_liquid_crystal_8h_source.html">LiquidCrystal.h</a>.</p>
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<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/LiquidCrystal.h</div> </div>
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<a href="_liquid_crystal_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal.h</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic liquid crystal library that comes as standard</span>
<a name="l00014"></a>00014 <span class="comment">// in the Arduino SDK.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a basic implementation of the LiquidCrystal library of the</span>
<a name="l00018"></a>00018 <span class="comment">// Arduino SDK. The original library has been reworked in such a way that </span>
<a name="l00019"></a>00019 <span class="comment">// this class implements the all methods to command an LCD based</span>
<a name="l00020"></a>00020 <span class="comment">// on the Hitachi HD44780 and compatible chipsets using the parallel port of</span>
<a name="l00021"></a>00021 <span class="comment">// the LCD (4 bit and 8 bit).</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00026"></a>00026 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00027"></a>00027 <span class="preprocessor">#ifndef LiquidCrystal_4bit_h</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#define LiquidCrystal_4bit_h</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include &quot;<a class="code" href="_l_c_d_8h.html">LCD.h</a>&quot;</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035
<a name="l00042"></a><a class="code" href="_liquid_crystal_8h.html#adebff0f00a59c9f9863bc196938d5726">00042</a> <span class="preprocessor">#define EXEC_TIME 37</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a><a class="code" href="class_liquid_crystal.html">00044</a> <span class="keyword">class </span><a class="code" href="class_liquid_crystal.html">LiquidCrystal</a> : <span class="keyword">public</span> <a class="code" href="class_l_c_d.html">LCD</a>
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="keyword">public</span>:
<a name="l00053"></a>00053 <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t enable,
<a name="l00054"></a>00054 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00055"></a>00055 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
<a name="l00056"></a>00056 <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00057"></a>00057 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00058"></a>00058 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">// Constructors with backlight control</span>
<a name="l00061"></a>00061 <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t enable,
<a name="l00062"></a>00062 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00063"></a>00063 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
<a name="l00064"></a>00064 uint8_t backlightPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00065"></a>00065 <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00066"></a>00066 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00067"></a>00067 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
<a name="l00068"></a>00068 uint8_t backlightPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00075"></a>00075 <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00076"></a>00076 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
<a name="l00077"></a>00077 <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t enable,
<a name="l00078"></a>00078 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3);
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="comment">// Constructors with backlight control</span>
<a name="l00081"></a>00081 <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00082"></a>00082 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00083"></a>00083 uint8_t backlightPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00084"></a>00084 <a class="code" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t enable,
<a name="l00085"></a>00085 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00086"></a>00086 uint8_t backlightPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00099"></a>00099 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal.html#a56142f8b3753bedd133e4139e5eb5089">send</a>(uint8_t value, uint8_t mode);
<a name="l00100"></a>00100
<a name="l00109"></a>00109 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a> ( uint8_t pin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol );
<a name="l00110"></a>00110
<a name="l00125"></a>00125 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">setBacklight</a> ( uint8_t value );
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keyword">private</span>:
<a name="l00128"></a>00128
<a name="l00134"></a>00134 <span class="keywordtype">void</span> init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable,
<a name="l00135"></a>00135 uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3,
<a name="l00136"></a>00136 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
<a name="l00137"></a>00137
<a name="l00144"></a>00144 <span class="keywordtype">void</span> writeNbits(uint8_t value, uint8_t numBits);
<a name="l00145"></a>00145
<a name="l00152"></a>00152 <span class="keywordtype">void</span> pulseEnable();
<a name="l00153"></a>00153
<a name="l00154"></a>00154 uint8_t _rs_pin; <span class="comment">// LOW: command. HIGH: character.</span>
<a name="l00155"></a>00155 uint8_t _rw_pin; <span class="comment">// LOW: write to LCD. HIGH: read from LCD.</span>
<a name="l00156"></a>00156 uint8_t _enable_pin; <span class="comment">// activated by a HIGH pulse.</span>
<a name="l00157"></a>00157 uint8_t _data_pins[8]; <span class="comment">// Data pins.</span>
<a name="l00158"></a>00158 uint8_t _backlightPin; <span class="comment">// Pin associated to control the LCD backlight</span>
<a name="l00159"></a>00159 };
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="preprocessor">#endif</span>
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<div class="textblock"><code>#include &lt;WProgram.h&gt;</code><br/>
<code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_i2_c_i_o_8h_source.html">I2CIO.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="_liquid_crystal___i2_c_8h_source.html">LiquidCrystal_I2C.h</a>&quot;</code><br/>
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<hr/><h2>Define Documentation</h2>
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<p><a class="el" href="class_l_c_d.html">LCD</a> dataline allocation this library only supports 4 bit <a class="el" href="class_l_c_d.html">LCD</a> control mode. D4, D5, D6, D7 <a class="el" href="class_l_c_d.html">LCD</a> data lines pin mapping of the extender module </p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00088">88</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00089">89</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00090">90</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00091">91</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<p>Enable bit of the <a class="el" href="class_l_c_d.html">LCD</a> Defines the IO of the expander connected to the <a class="el" href="class_l_c_d.html">LCD</a> Enable </p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00066">66</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<p>LCD_BACKLIGHT BACKLIGHT MASK used when backlight is on </p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00055">55</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<p>LCD_NOBACKLIGHT NO BACKLIGHT MASK </p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00048">48</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<p>Register bit of the <a class="el" href="class_l_c_d.html">LCD</a> Defines the IO of the expander connected to the <a class="el" href="class_l_c_d.html">LCD</a> Register select pin </p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00080">80</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<p>Read/Write bit of the <a class="el" href="class_l_c_d.html">LCD</a> Defines the IO of the expander connected to the <a class="el" href="class_l_c_d.html">LCD</a> Rw pin </p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00073">73</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<a href="_liquid_crystal___i2_c_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal_I2C.c</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic liquid crystal library that comes as standard</span>
<a name="l00014"></a>00014 <span class="comment">// in the Arduino SDK but using an I2C IO extension board.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a basic implementation of the LiquidCrystal library of the</span>
<a name="l00018"></a>00018 <span class="comment">// Arduino SDK. The original library has been reworked in such a way that </span>
<a name="l00019"></a>00019 <span class="comment">// this class implements the all methods to command an LCD based</span>
<a name="l00020"></a>00020 <span class="comment">// on the Hitachi HD44780 and compatible chipsets using I2C extension</span>
<a name="l00021"></a>00021 <span class="comment">// backpacks such as the I2CLCDextraIO with the PCF8574* I2C IO Expander ASIC.</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00024"></a>00024 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library.</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 <span class="comment">//</span>
<a name="l00028"></a>00028 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00029"></a>00029 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00030"></a>00030 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#else</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00034"></a>00034 <span class="preprocessor">#endif</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &quot;<a class="code" href="_i2_c_i_o_8h.html">I2CIO.h</a>&quot;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include &quot;<a class="code" href="_liquid_crystal___i2_c_8h.html">LiquidCrystal_I2C.h</a>&quot;</span>
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="comment">// CONSTANT definitions</span>
<a name="l00040"></a>00040 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// flags for backlight control</span>
<a name="l00048"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">00048</a> <span class="comment"></span><span class="preprocessor">#define LCD_NOBACKLIGHT 0x00</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00055"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">00055</a> <span class="preprocessor">#define LCD_BACKLIGHT 0xFF</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span>
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// Default library configuration parameters used by class constructor with</span>
<a name="l00059"></a>00059 <span class="comment">// only the I2C address field.</span>
<a name="l00060"></a>00060 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00066"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">00066</a> <span class="comment"></span><span class="preprocessor">#define EN 6 // Enable bit</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span>
<a name="l00073"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#afc4ded33ac0ca43defcce639e965748a">00073</a> <span class="preprocessor">#define RW 5 // Read/Write bit</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span>
<a name="l00080"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#af8903d8eea3868940c60af887473b152">00080</a> <span class="preprocessor">#define RS 4 // Register select bit</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span>
<a name="l00088"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">00088</a> <span class="preprocessor">#define D4 0</span>
<a name="l00089"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">00089</a> <span class="preprocessor"></span><span class="preprocessor">#define D5 1</span>
<a name="l00090"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">00090</a> <span class="preprocessor"></span><span class="preprocessor">#define D6 2</span>
<a name="l00091"></a><a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">00091</a> <span class="preprocessor"></span><span class="preprocessor">#define D7 3</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span>
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">// CONSTRUCTORS</span>
<a name="l00095"></a>00095 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00096"></a><a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">00096</a> <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C::LiquidCrystal_I2C</a>( uint8_t lcd_Addr )
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 config(lcd_Addr, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">EN</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#afc4ded33ac0ca43defcce639e965748a">RW</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#af8903d8eea3868940c60af887473b152">RS</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">D4</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">D5</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">D6</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">D7</a>);
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101
<a name="l00102"></a><a class="code" href="class_liquid_crystal___i2_c.html#a9fc9bc519ebbf7503dadc11622e02ed6">00102</a> <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C::LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t backlighPin,
<a name="l00103"></a>00103 <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>)
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 config(lcd_Addr, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">EN</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#afc4ded33ac0ca43defcce639e965748a">RW</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#af8903d8eea3868940c60af887473b152">RS</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">D4</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">D5</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">D6</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">D7</a>);
<a name="l00106"></a>00106 <a class="code" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">setBacklightPin</a>(backlighPin, pol);
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a><a class="code" href="class_liquid_crystal___i2_c.html#a517f8847ebf09f0eacfb9c7232975fce">00109</a> <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C::LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw,
<a name="l00110"></a>00110 uint8_t Rs)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 config(lcd_Addr, En, Rw, Rs, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">D4</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">D5</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">D6</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">D7</a>);
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a><a class="code" href="class_liquid_crystal___i2_c.html#add1f2da7de4ec9b9cd5c9b5fab712464">00115</a> <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C::LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw,
<a name="l00116"></a>00116 uint8_t Rs, uint8_t backlighPin,
<a name="l00117"></a>00117 <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>)
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 config(lcd_Addr, En, Rw, Rs, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">D4</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">D5</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">D6</a>, <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">D7</a>);
<a name="l00120"></a>00120 <a class="code" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">setBacklightPin</a>(backlighPin, pol);
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a><a class="code" href="class_liquid_crystal___i2_c.html#a7d9b54d3a91fa0e0e50db27cda6b4654">00123</a> <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C::LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw,
<a name="l00124"></a>00124 uint8_t Rs, uint8_t d4, uint8_t d5,
<a name="l00125"></a>00125 uint8_t d6, uint8_t d7 )
<a name="l00126"></a>00126 {
<a name="l00127"></a>00127 config(lcd_Addr, En, Rw, Rs, d4, d5, d6, d7);
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a><a class="code" href="class_liquid_crystal___i2_c.html#ab15622287533de7a47f3e2012ebf18be">00130</a> <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C::LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw,
<a name="l00131"></a>00131 uint8_t Rs, uint8_t d4, uint8_t d5,
<a name="l00132"></a>00132 uint8_t d6, uint8_t d7, uint8_t backlighPin,
<a name="l00133"></a>00133 <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a> )
<a name="l00134"></a>00134 {
<a name="l00135"></a>00135 config(lcd_Addr, En, Rw, Rs, d4, d5, d6, d7);
<a name="l00136"></a>00136 <a class="code" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">setBacklightPin</a>(backlighPin, pol);
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="comment">// PUBLIC METHODS</span>
<a name="l00140"></a>00140 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="comment">//</span>
<a name="l00143"></a>00143 <span class="comment">// begin</span>
<a name="l00144"></a><a class="code" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">00144</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">LiquidCrystal_I2C::begin</a>(uint8_t cols, uint8_t lines, uint8_t dotsize)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146
<a name="l00147"></a>00147 init(); <span class="comment">// Initialise the I2C expander interface</span>
<a name="l00148"></a>00148 <a class="code" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">LCD::begin</a> ( cols, lines, dotsize );
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="comment">// User commands - users can expand this section</span>
<a name="l00153"></a>00153 <span class="comment">//----------------------------------------------------------------------------</span>
<a name="l00154"></a>00154 <span class="comment">// Turn the (optional) backlight off/on</span>
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="comment">//</span>
<a name="l00157"></a>00157 <span class="comment">// setBacklightPin</span>
<a name="l00158"></a><a class="code" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">00158</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">LiquidCrystal_I2C::setBacklightPin</a> ( uint8_t value, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a> )
<a name="l00159"></a>00159 {
<a name="l00160"></a>00160 _backlightPinMask = ( 1 &lt;&lt; value );
<a name="l00161"></a>00161 <a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> = pol;
<a name="l00162"></a>00162 <a class="code" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">setBacklight</a>(<a class="code" href="_l_c_d_8h.html#a0f50ae3b4bdb42dd5ad74b2c604a7515">BACKLIGHT_OFF</a>);
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="comment">//</span>
<a name="l00166"></a>00166 <span class="comment">// setBacklight</span>
<a name="l00167"></a><a class="code" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">00167</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">LiquidCrystal_I2C::setBacklight</a>( uint8_t value )
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="comment">// Check if backlight is available</span>
<a name="l00170"></a>00170 <span class="comment">// ----------------------------------------------------</span>
<a name="l00171"></a>00171 <span class="keywordflow">if</span> ( _backlightPinMask != 0x0 )
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 <span class="comment">// Check for polarity to configure mask accordingly</span>
<a name="l00174"></a>00174 <span class="comment">// ----------------------------------------------------------</span>
<a name="l00175"></a>00175 <span class="keywordflow">if</span> (((<a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>) &amp;&amp; (value &gt; 0)) ||
<a name="l00176"></a>00176 ((<a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865">NEGATIVE</a> ) &amp;&amp; ( value == 0 )))
<a name="l00177"></a>00177 {
<a name="l00178"></a>00178 _backlightStsMask = _backlightPinMask &amp; <a class="code" href="_liquid_crystal___i2_c_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">LCD_BACKLIGHT</a>;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 <span class="keywordflow">else</span>
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 _backlightStsMask = _backlightPinMask &amp; <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a>;
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 _i2cio.<a class="code" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">write</a>( _backlightStsMask );
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="comment">// PRIVATE METHODS</span>
<a name="l00190"></a>00190 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="comment">//</span>
<a name="l00193"></a>00193 <span class="comment">// init</span>
<a name="l00194"></a>00194 <span class="keywordtype">int</span> LiquidCrystal_I2C::init()
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <span class="keywordtype">int</span> status = 0;
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="comment">// initialize the backpack IO expander</span>
<a name="l00199"></a>00199 <span class="comment">// and display functions.</span>
<a name="l00200"></a>00200 <span class="comment">// ------------------------------------------------------------------------</span>
<a name="l00201"></a>00201 <span class="keywordflow">if</span> ( _i2cio.<a class="code" href="class_i2_c_i_o.html#a6f814653d903dc2ff6e8420eeb7954ae">begin</a> ( _Addr ) == 1 )
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 _i2cio.<a class="code" href="class_i2_c_i_o.html#a0341888753bc54c4384f5593a870fb34">portMode</a> ( OUTPUT ); <span class="comment">// Set the entire IO extender to OUTPUT</span>
<a name="l00204"></a>00204 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> = <a class="code" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD_4BITMODE</a> | <a class="code" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD_1LINE</a> | <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>;
<a name="l00205"></a>00205 status = 1;
<a name="l00206"></a>00206 _i2cio.<a class="code" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">write</a>(0); <span class="comment">// Set the entire port to LOW</span>
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208 <span class="keywordflow">return</span> ( status );
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="comment">//</span>
<a name="l00212"></a>00212 <span class="comment">// config</span>
<a name="l00213"></a>00213 <span class="keywordtype">void</span> LiquidCrystal_I2C::config (uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00214"></a>00214 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 )
<a name="l00215"></a>00215 {
<a name="l00216"></a>00216 _Addr = lcd_Addr;
<a name="l00217"></a>00217
<a name="l00218"></a>00218 _backlightPinMask = 0;
<a name="l00219"></a>00219 _backlightStsMask = <a class="code" href="_liquid_crystal___i2_c_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a>;
<a name="l00220"></a>00220 <a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>;
<a name="l00221"></a>00221
<a name="l00222"></a>00222 _En = ( 1 &lt;&lt; En );
<a name="l00223"></a>00223 _Rw = ( 1 &lt;&lt; Rw );
<a name="l00224"></a>00224 _Rs = ( 1 &lt;&lt; Rs );
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="comment">// Initialise pin mapping</span>
<a name="l00227"></a>00227 _data_pins[0] = ( 1 &lt;&lt; d4 );
<a name="l00228"></a>00228 _data_pins[1] = ( 1 &lt;&lt; d5 );
<a name="l00229"></a>00229 _data_pins[2] = ( 1 &lt;&lt; d6 );
<a name="l00230"></a>00230 _data_pins[3] = ( 1 &lt;&lt; d7 );
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232
<a name="l00233"></a>00233
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="comment">// low level data pushing commands</span>
<a name="l00236"></a>00236 <span class="comment">//----------------------------------------------------------------------------</span>
<a name="l00237"></a>00237
<a name="l00238"></a>00238 <span class="comment">//</span>
<a name="l00239"></a>00239 <span class="comment">// send - write either command or data</span>
<a name="l00240"></a><a class="code" href="class_liquid_crystal___i2_c.html#a8bf1fab7efe13e8b17b96c42d1f810b4">00240</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___i2_c.html#a8bf1fab7efe13e8b17b96c42d1f810b4">LiquidCrystal_I2C::send</a>(uint8_t value, uint8_t mode)
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="comment">// No need to use the delay routines since the time taken to write takes</span>
<a name="l00243"></a>00243 <span class="comment">// longer that what is needed both for toggling and enable pin an to execute</span>
<a name="l00244"></a>00244 <span class="comment">// the command.</span>
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <span class="keywordflow">if</span> ( mode == <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a> )
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248 write4bits( (value &amp; 0x0F), <a class="code" href="_l_c_d_8h.html#ab0d87e07831e7e4943caef187872123e">COMMAND</a> );
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250 <span class="keywordflow">else</span>
<a name="l00251"></a>00251 {
<a name="l00252"></a>00252 write4bits( (value &gt;&gt; 4), mode );
<a name="l00253"></a>00253 write4bits( (value &amp; 0x0F), mode);
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="comment">//</span>
<a name="l00258"></a>00258 <span class="comment">// write4bits</span>
<a name="l00259"></a>00259 <span class="keywordtype">void</span> LiquidCrystal_I2C::write4bits ( uint8_t value, uint8_t mode )
<a name="l00260"></a>00260 {
<a name="l00261"></a>00261 uint8_t pinMapValue = 0;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="comment">// Map the value to LCD pin mapping</span>
<a name="l00264"></a>00264 <span class="comment">// --------------------------------</span>
<a name="l00265"></a>00265 <span class="keywordflow">for</span> ( uint8_t i = 0; i &lt; 4; i++ )
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 <span class="keywordflow">if</span> ( ( value &amp; 0x1 ) == 1 )
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 pinMapValue |= _data_pins[i];
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271 value = ( value &gt;&gt; 1 );
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="comment">// Is it a command or data</span>
<a name="l00275"></a>00275 <span class="comment">// -----------------------</span>
<a name="l00276"></a>00276 <span class="keywordflow">if</span> ( mode == <a class="code" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">DATA</a> )
<a name="l00277"></a>00277 {
<a name="l00278"></a>00278 mode = _Rs;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a>00281 pinMapValue |= mode | _backlightStsMask;
<a name="l00282"></a>00282 pulseEnable ( pinMapValue );
<a name="l00283"></a>00283 }
<a name="l00284"></a>00284
<a name="l00285"></a>00285 <span class="comment">//</span>
<a name="l00286"></a>00286 <span class="comment">// pulseEnable</span>
<a name="l00287"></a>00287 <span class="keywordtype">void</span> LiquidCrystal_I2C::pulseEnable (uint8_t data)
<a name="l00288"></a>00288 {
<a name="l00289"></a>00289 _i2cio.<a class="code" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">write</a> (data | _En); <span class="comment">// En HIGH</span>
<a name="l00290"></a>00290 _i2cio.<a class="code" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">write</a> (data &amp; ~_En); <span class="comment">// En LOW</span>
<a name="l00291"></a>00291 }
</pre></div></div>
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<div class="textblock"><code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &lt;Print.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_i2_c_i_o_8h_source.html">I2CIO.h</a>&quot;</code><br/>
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<a href="_liquid_crystal___i2_c_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal_I2C.h</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic liquid crystal library that comes as standard</span>
<a name="l00014"></a>00014 <span class="comment">// in the Arduino SDK but using an I2C IO extension board.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a basic implementation of the LiquidCrystal library of the</span>
<a name="l00018"></a>00018 <span class="comment">// Arduino SDK. The original library has been reworked in such a way that </span>
<a name="l00019"></a>00019 <span class="comment">// this class implements the all methods to command an LCD based</span>
<a name="l00020"></a>00020 <span class="comment">// on the Hitachi HD44780 and compatible chipsets using I2C extension</span>
<a name="l00021"></a>00021 <span class="comment">// backpacks such as the I2CLCDextraIO with the PCF8574* I2C IO Expander ASIC.</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00024"></a>00024 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library.</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00028"></a>00028 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00029"></a>00029 <span class="preprocessor">#ifndef LiquidCrystal_I2C_h</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define LiquidCrystal_I2C_h</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;Print.h&gt;</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="preprocessor">#include &quot;<a class="code" href="_i2_c_i_o_8h.html">I2CIO.h</a>&quot;</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &quot;<a class="code" href="_l_c_d_8h.html">LCD.h</a>&quot;</span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037
<a name="l00038"></a><a class="code" href="class_liquid_crystal___i2_c.html">00038</a> <span class="keyword">class </span><a class="code" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a> : <span class="keyword">public</span> <a class="code" href="class_l_c_d.html">LCD</a>
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keyword">public</span>:
<a name="l00041"></a>00041
<a name="l00051"></a>00051 <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C</a> (uint8_t lcd_Addr);
<a name="l00052"></a>00052 <span class="comment">// Constructor with backlight control</span>
<a name="l00053"></a>00053 <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C</a> (uint8_t lcd_Addr, uint8_t backlighPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00054"></a>00054
<a name="l00067"></a>00067 <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C</a>( uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs);
<a name="l00068"></a>00068 <span class="comment">// Constructor with backlight control</span>
<a name="l00069"></a>00069 <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00070"></a>00070 uint8_t backlighPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00071"></a>00071
<a name="l00088"></a>00088 <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00089"></a>00089 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 );
<a name="l00090"></a>00090 <span class="comment">// Constructor with backlight control</span>
<a name="l00091"></a>00091 <a class="code" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00092"></a>00092 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
<a name="l00093"></a>00093 uint8_t backlighPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00110"></a>00110 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize = <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>);
<a name="l00111"></a>00111
<a name="l00124"></a>00124 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___i2_c.html#a8bf1fab7efe13e8b17b96c42d1f810b4">send</a>(uint8_t value, uint8_t mode);
<a name="l00125"></a>00125
<a name="l00134"></a>00134 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">setBacklightPin</a> ( uint8_t value, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol );
<a name="l00135"></a>00135
<a name="l00145"></a>00145 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">setBacklight</a> ( uint8_t value );
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keyword">private</span>:
<a name="l00148"></a>00148
<a name="l00154"></a>00154 <span class="keywordtype">int</span> init();
<a name="l00155"></a>00155
<a name="l00171"></a>00171 <span class="keywordtype">void</span> config (uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00172"></a>00172 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 );
<a name="l00173"></a>00173
<a name="l00182"></a>00182 <span class="keywordtype">void</span> write4bits(uint8_t value, uint8_t mode);
<a name="l00183"></a>00183
<a name="l00190"></a>00190 <span class="keywordtype">void</span> pulseEnable(uint8_t);
<a name="l00191"></a>00191
<a name="l00192"></a>00192
<a name="l00193"></a>00193 uint8_t _Addr; <span class="comment">// I2C Address of the IO expander</span>
<a name="l00194"></a>00194 uint8_t _backlightPinMask; <span class="comment">// Backlight IO pin mask</span>
<a name="l00195"></a>00195 uint8_t _backlightStsMask; <span class="comment">// Backlight status mask</span>
<a name="l00196"></a>00196 <a class="code" href="class_i2_c_i_o.html">I2CIO</a> _i2cio; <span class="comment">// I2CIO PCF8574* expansion module driver I2CLCDextraIO</span>
<a name="l00197"></a>00197 uint8_t _En; <span class="comment">// LCD expander word for enable pin</span>
<a name="l00198"></a>00198 uint8_t _Rw; <span class="comment">// LCD expander word for R/W pin</span>
<a name="l00199"></a>00199 uint8_t _Rs; <span class="comment">// LCD expander word for Register Select pin</span>
<a name="l00200"></a>00200 uint8_t _data_pins[4]; <span class="comment">// LCD data lines</span>
<a name="l00201"></a>00201
<a name="l00202"></a>00202 };
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="preprocessor">#endif</span>
</pre></div></div>
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<div class="textblock"><code>#include &quot;<a class="el" href="_liquid_crystal___s_r2_w_8h_source.html">LiquidCrystal_SR2W.h</a>&quot;</code><br/>
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<a href="_liquid_crystal___s_r2_w_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created/Adapted by Bill Perry 2012-03-16</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2012 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal_SR2W.cpp</span>
<a name="l00013"></a>00013 <span class="comment">// Connects a hd44780 LCD using 2 pins from the Arduino, via an 8-bit </span>
<a name="l00014"></a>00014 <span class="comment">// ShiftRegister (SR2W from now on).</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a port of the ShiftRegLCD library from raron and ported to the</span>
<a name="l00018"></a>00018 <span class="comment">// LCD library.</span>
<a name="l00019"></a>00019 <span class="comment">//</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// See the corresponding SR2W header file for full details.</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// History</span>
<a name="l00024"></a>00024 <span class="comment">// 2012.03.29 bperrybap - Fixed incorrect use of 5x10 for default font </span>
<a name="l00025"></a>00025 <span class="comment">// (now matches original LQ library)</span>
<a name="l00026"></a>00026 <span class="comment">// Fixed typo in SR2W mask define names</span>
<a name="l00027"></a>00027 <span class="comment">// changed default backlight state to on</span>
<a name="l00028"></a>00028 <span class="comment">// 2012.03.16 bperrybap - created/modified from SR sources to create SR2W</span>
<a name="l00029"></a>00029 <span class="comment">// @author B. Perry - bperrybap@opensource.billsworld.billandterrie.com</span>
<a name="l00030"></a>00030 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include &quot;<a class="code" href="_liquid_crystal___s_r2_w_8h.html">LiquidCrystal_SR2W.h</a>&quot;</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="comment">// CONSTRUCTORS</span>
<a name="l00035"></a>00035 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00036"></a>00036 <span class="comment">// Assuming 1 line 8 pixel high font</span>
<a name="l00037"></a><a class="code" href="class_liquid_crystal___s_r2_w.html#af307fdf5c8feb757e965074dcdeb1dd3">00037</a> <a class="code" href="class_liquid_crystal___s_r2_w.html#af307fdf5c8feb757e965074dcdeb1dd3">LiquidCrystal_SR2W::LiquidCrystal_SR2W</a> (uint8_t srdata, uint8_t srclock, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> blpol)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 init ( srdata, srclock, blpol, 1, 0 );
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment">// PRIVATE METHODS</span>
<a name="l00044"></a>00044 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="comment">//</span>
<a name="l00047"></a>00047 <span class="comment">// init</span>
<a name="l00048"></a>00048 <span class="keywordtype">void</span> LiquidCrystal_SR2W::init(uint8_t srdata, uint8_t srclock, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> blpol, uint8_t lines, uint8_t font)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 _srDataRegister = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(srdata);
<a name="l00051"></a>00051 _srDataMask = <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(srdata);
<a name="l00052"></a>00052 _srClockRegister = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(srclock);
<a name="l00053"></a>00053 _srClockMask = <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(srclock);
<a name="l00054"></a>00054
<a name="l00055"></a>00055 _blPolarity = blpol;
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> = <a class="code" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD_4BITMODE</a> | <a class="code" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD_1LINE</a> | <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <a class="code" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>(); <span class="comment">// set default backlight state to on</span>
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="comment">//</span>
<a name="l00063"></a>00063 <span class="comment">// loadSR</span>
<a name="l00064"></a>00064 <span class="keywordtype">void</span> LiquidCrystal_SR2W::loadSR(uint8_t val)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="comment">// Clear to keep Enable LOW while clocking in new bits</span>
<a name="l00067"></a>00067 <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>(_srDataRegister, _srDataMask, _srClockRegister, _srClockMask);
<a name="l00068"></a>00068
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="comment">// clock out SR data byte</span>
<a name="l00071"></a>00071 <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>(_srDataRegister, _srDataMask, _srClockRegister, _srClockMask, val, MSBFIRST);
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="comment">// strobe LCD enable which can now be toggled by the data line</span>
<a name="l00075"></a>00075 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(_srDataRegister, _srDataMask);
<a name="l00078"></a>00078 <a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a> (1); <span class="comment">// enable pulse must be &gt;450ns </span>
<a name="l00079"></a>00079 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(_srDataRegister, _srDataMask, LOW);
<a name="l00080"></a>00080 } <span class="comment">// end critical section</span>
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">// PUBLIC METHODS</span>
<a name="l00084"></a>00084 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00085"></a>00085
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="comment">/************ low level data pushing commands **********/</span>
<a name="l00088"></a>00088 <span class="comment">//</span>
<a name="l00089"></a>00089 <span class="comment">// send</span>
<a name="l00090"></a><a class="code" href="class_liquid_crystal___s_r2_w.html#a65dc6f261c319be8e56f3c1f6a5c877d">00090</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r2_w.html#a65dc6f261c319be8e56f3c1f6a5c877d">LiquidCrystal_SR2W::send</a>(uint8_t value, uint8_t mode)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 uint8_t myMode = ( mode == <a class="code" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">DATA</a> ) ? <a class="code" href="_liquid_crystal___s_r2_w_8h.html#acce98b026d9fdcb2e126705c14af7500">SR2W_RS_MASK</a> : 0;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 myMode = myMode | <a class="code" href="_liquid_crystal___s_r2_w_8h.html#a8d17b6abb5bcde6883dbdc86d34be9d8">SR2W_EN_MASK</a> | _blMask;
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordflow">if</span> ( mode != <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a> )
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 loadSR(myMode | ((value &gt;&gt; 1) &amp; <a class="code" href="_liquid_crystal___s_r2_w_8h.html#a7cf86f2a173473d01e02b2ac786a8690">SR2W_DATA_MASK</a>)); <span class="comment">// upper nibble</span>
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 loadSR(myMode | ((value &lt;&lt; 3) &amp; <a class="code" href="_liquid_crystal___s_r2_w_8h.html#a7cf86f2a173473d01e02b2ac786a8690">SR2W_DATA_MASK</a>)); <span class="comment">// lower nibble</span>
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="comment">/*</span>
<a name="l00104"></a>00104 <span class="comment"> * Don&#39;t call waitUsec()</span>
<a name="l00105"></a>00105 <span class="comment"> * do our own delay optmization since this code is so fast it needs some added delay</span>
<a name="l00106"></a>00106 <span class="comment"> * even on slower AVRs.</span>
<a name="l00107"></a>00107 <span class="comment"> */</span>
<a name="l00108"></a>00108 <span class="preprocessor">#if (F_CPU &lt;= 16000000)</span>
<a name="l00109"></a>00109 <span class="preprocessor"></span> delayMicroseconds ( 10 ); <span class="comment">// commands &amp; data writes need &gt; 37us to complete</span>
<a name="l00110"></a>00110 <span class="preprocessor">#else</span>
<a name="l00111"></a>00111 <span class="preprocessor"></span> delayMicroseconds ( 37 ); <span class="comment">// commands &amp; data writes need &gt; 37us to complete</span>
<a name="l00112"></a>00112 <span class="preprocessor">#endif</span>
<a name="l00113"></a>00113 <span class="preprocessor"></span>}
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="comment">//</span>
<a name="l00116"></a>00116 <span class="comment">// setBacklight</span>
<a name="l00117"></a><a class="code" href="class_liquid_crystal___s_r2_w.html#a2158db27287c1564a03e7a1472beb3b6">00117</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r2_w.html#a2158db27287c1564a03e7a1472beb3b6">LiquidCrystal_SR2W::setBacklight</a> ( uint8_t value )
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <span class="comment">// Check for polarity to configure mask accordingly</span>
<a name="l00120"></a>00120 <span class="comment">// ----------------------------------------------------------</span>
<a name="l00121"></a>00121 <span class="keywordflow">if</span> ( ((_blPolarity == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>) &amp;&amp; (value &gt; 0)) ||
<a name="l00122"></a>00122 ((_blPolarity == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865">NEGATIVE</a> ) &amp;&amp; ( value == 0 )) )
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 _blMask = <a class="code" href="_liquid_crystal___s_r2_w_8h.html#a53e3add69865ae57ca872cb41fcae9e3">SR2W_BL_MASK</a>;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 <span class="keywordflow">else</span>
<a name="l00127"></a>00127 {
<a name="l00128"></a>00128 _blMask = 0;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="comment">// send dummy data of blMask to set BL pin</span>
<a name="l00132"></a>00132 <span class="comment">// Note: loadSR() will strobe the data line trying to pulse EN</span>
<a name="l00133"></a>00133 <span class="comment">// but E will not strobe because the EN output bit is not set.</span>
<a name="l00134"></a>00134 loadSR(_blMask);
<a name="l00135"></a>00135 }
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="textblock"><code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_l_c_d_8h_source.html">LCD.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>&quot;</code><br/>
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Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r2_w_8h.html#a53e3add69865ae57ca872cb41fcae9e3">SR2W_BL_MASK</a>&#160;&#160;&#160;0x02</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r2_w_8h.html#acce98b026d9fdcb2e126705c14af7500">SR2W_RS_MASK</a>&#160;&#160;&#160;0x04</td></tr>
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<hr/><h2>Define Documentation</h2>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r2_w_8h_source.html#l00132">132</a> of file <a class="el" href="_liquid_crystal___s_r2_w_8h_source.html">LiquidCrystal_SR2W.h</a>.</p>
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<a href="_liquid_crystal___s_r2_w_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created/Adapted by Bill Perry 2012-03-16</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2012 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// @file LiquidCrystal_SR2W.h</span>
<a name="l00010"></a>00010 <span class="comment">// Connects a hd44780 LCD using 2 pins from the Arduino, via an 8-bit </span>
<a name="l00011"></a>00011 <span class="comment">// ShiftRegister (SR2W from now on).</span>
<a name="l00012"></a>00012 <span class="comment">// </span>
<a name="l00013"></a>00013 <span class="comment">// @brief </span>
<a name="l00014"></a>00014 <span class="comment">// This is the 2 wire shift register interface class for the LCD library</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// The functionality provided by this class and its base class is a superset of</span>
<a name="l00017"></a>00017 <span class="comment">// the original functionality of the Arduino LiquidCrystal library and can</span>
<a name="l00018"></a>00018 <span class="comment">// be used as such.</span>
<a name="l00019"></a>00019 <span class="comment">// See the LCD class for a full description of the API functions available.</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// It works with a 8-bit unlatched, no-tristate, unidirectional SIPO (Serial-In-Parallel-Out)</span>
<a name="l00022"></a>00022 <span class="comment">// shift register (IE a very simple SR), and an hd44780 LCD in 4-bit mode.</span>
<a name="l00023"></a>00023 <span class="comment">// Any such shift register should do (pref. 74LS family IC&#39;s for 2-wire).</span>
<a name="l00024"></a>00024 <span class="comment">// 74LS164 and 74HC595 have been exstensively tested.</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 <span class="comment">// 2 Pins required from the Arduino:</span>
<a name="l00028"></a>00028 <span class="comment">// - Data/Enable</span>
<a name="l00029"></a>00029 <span class="comment">// - Clock</span>
<a name="l00030"></a>00030 <span class="comment">// The Data pin is also used to control the enable signal</span>
<a name="l00031"></a>00031 <span class="comment">// LCD RW-pin hardwired to LOW (only writing to LCD).</span>
<a name="l00032"></a>00032 <span class="comment">// Busy Flag (BF, data bit D7) is not read.</span>
<a name="l00033"></a>00033 <span class="comment">//</span>
<a name="l00034"></a>00034 <span class="comment">// Original project homepage: http://code.google.com/p/arduinoshiftreglcd/</span>
<a name="l00035"></a>00035 <span class="comment">//</span>
<a name="l00036"></a>00036 <span class="comment">// Shift register bits</span>
<a name="l00037"></a>00037 <span class="comment">// Bit #0 - (cannot be used on 74HC595)</span>
<a name="l00038"></a>00038 <span class="comment">// Bit #1 - optional backlight control</span>
<a name="l00039"></a>00039 <span class="comment">// Bit #2 - connects to RS (Register Select) on the LCD</span>
<a name="l00040"></a>00040 <span class="comment">// Bit #3 - connects to LCD data inputs D4</span>
<a name="l00041"></a>00041 <span class="comment">// Bit #4 - connects to LCD data inputs D5</span>
<a name="l00042"></a>00042 <span class="comment">// Bit #5 - connects to LCD data inputs D6</span>
<a name="l00043"></a>00043 <span class="comment">// Bit #6 - connects to LCD data inputs D7</span>
<a name="l00044"></a>00044 <span class="comment">// Bit #7 - enables the LCD enable-puls (via the diode-resistor AND &quot;gate&quot;)</span>
<a name="l00045"></a>00045 <span class="comment">// </span>
<a name="l00046"></a>00046 <span class="comment">// Wiring for a 74LS164</span>
<a name="l00047"></a>00047 <span class="comment">// ---------------------</span>
<a name="l00048"></a>00048 <span class="comment">// 1k/4.7k</span>
<a name="l00049"></a>00049 <span class="comment">// +--------[ Resistor ]--------+---(LCD Enable)</span>
<a name="l00050"></a>00050 <span class="comment">// | |</span>
<a name="l00051"></a>00051 <span class="comment">// | 74LS164 (VCC) |</span>
<a name="l00052"></a>00052 <span class="comment">// | +----u----+ | _V_ diode</span>
<a name="l00053"></a>00053 <span class="comment">// (data pin)---+---+--1-|A VCC|-14-+ |</span>
<a name="l00054"></a>00054 <span class="comment">// | | | |</span>
<a name="l00055"></a>00055 <span class="comment">// +--2-|B Q7|-13------+</span>
<a name="l00056"></a>00056 <span class="comment">// 3-|Q0 Q6|-12--(LCD D7)</span>
<a name="l00057"></a>00057 <span class="comment">// (BL Circuit)--------4-|Q1 Q5|-11--(LCD D6)</span>
<a name="l00058"></a>00058 <span class="comment">// (LCD RS)------------5-|Q2 Q4|-10--(LCD D5)</span>
<a name="l00059"></a>00059 <span class="comment">// (LCD D4)------------6-|Q3 /MR|--9--(VCC)</span>
<a name="l00060"></a>00060 <span class="comment">// +-7-|GND CP|--8--(clock pin)</span>
<a name="l00061"></a>00061 <span class="comment">// | +---------+ </span>
<a name="l00062"></a>00062 <span class="comment">// | 0.1uf</span>
<a name="l00063"></a>00063 <span class="comment">// (gnd)-----||----(vcc)</span>
<a name="l00064"></a>00064 <span class="comment">// </span>
<a name="l00065"></a>00065 <span class="comment">// Wiring for a 74HC595</span>
<a name="l00066"></a>00066 <span class="comment">// --------------------</span>
<a name="l00067"></a>00067 <span class="comment">// NOTE: the 74HC595 is a latching shift register. In order to get it to operate</span>
<a name="l00068"></a>00068 <span class="comment">// in a &quot;non latching&quot; mode, RCLK and SCLK are tied together. The side effect of this</span>
<a name="l00069"></a>00069 <span class="comment">// is that the latched output is one clock behind behind the internal shift register bits.</span>
<a name="l00070"></a>00070 <span class="comment">// To compensate for this the wiring is offset by one bit position lower.</span>
<a name="l00071"></a>00071 <span class="comment">// For example, while the backlight is hooked to Q0 it is still using bit 1 of</span>
<a name="l00072"></a>00072 <span class="comment">// of the shift register because the outputs are 1 clock behind the real internal shift</span>
<a name="l00073"></a>00073 <span class="comment">// register.</span>
<a name="l00074"></a>00074 <span class="comment">// </span>
<a name="l00075"></a>00075 <span class="comment">// 74HC595 (VCC)</span>
<a name="l00076"></a>00076 <span class="comment">// +----u----+ | +-----------------------(BL circuit)</span>
<a name="l00077"></a>00077 <span class="comment">// (LCD RS)------------1-|Q1 VCC|-16-+ | +--------------------(data pin)</span>
<a name="l00078"></a>00078 <span class="comment">// (LCD D4)------------2-|Q2 Q0|-15----+ | 1k/4.7k</span>
<a name="l00079"></a>00079 <span class="comment">// (LCD D5)------------3-|Q3 SER|-14-------+---[ Resistor ]--+--(LCD Enable)</span>
<a name="l00080"></a>00080 <span class="comment">// (LCD D6)------------4-|Q4 /OE|-13--(gnd) |</span>
<a name="l00081"></a>00081 <span class="comment">// (LCD D7)------------5-|Q5 RCLK|-12-------+ |</span>
<a name="l00082"></a>00082 <span class="comment">// | | | |</span>
<a name="l00083"></a>00083 <span class="comment">// +------6-|Q6 SCLK|-11-------+--(clock pin) |</span>
<a name="l00084"></a>00084 <span class="comment">// | 7-|Q7 /MR|-10--(VCC) |</span>
<a name="l00085"></a>00085 <span class="comment">// | +-8-|GND Q6&#39;|--9 |</span>
<a name="l00086"></a>00086 <span class="comment">// | | +---------+ diode _V_</span>
<a name="l00087"></a>00087 <span class="comment">// | | 0.1uf |</span>
<a name="l00088"></a>00088 <span class="comment">// | (gnd)-----||----(vcc) |</span>
<a name="l00089"></a>00089 <span class="comment">// +-----------------------------------------------+</span>
<a name="l00090"></a>00090 <span class="comment">// </span>
<a name="l00091"></a>00091 <span class="comment">//</span>
<a name="l00092"></a>00092 <span class="comment">// Backlight Control circuit</span>
<a name="l00093"></a>00093 <span class="comment">// -------------------------</span>
<a name="l00094"></a>00094 <span class="comment">// Because the shift resiter is not latching the outputs, the backlight circuitry</span>
<a name="l00095"></a>00095 <span class="comment">// will &quot;see&quot; the output bits as they are shifted into the shift register which</span>
<a name="l00096"></a>00096 <span class="comment">// can cause the backlight to flicker rather than remain constantly on/off.</span>
<a name="l00097"></a>00097 <span class="comment">// The circuit below slows down the transitions to the transistor to remove</span>
<a name="l00098"></a>00098 <span class="comment">// the visible flicker. When the BL input is HIGH the LCD backlight will turn on.</span>
<a name="l00099"></a>00099 <span class="comment">//</span>
<a name="l00100"></a>00100 <span class="comment">// (value depends on LCD, 100ohm is usually safe)</span>
<a name="l00101"></a>00101 <span class="comment">// (LCD BL anode)---[ resistor ]---(vcc)</span>
<a name="l00102"></a>00102 <span class="comment">//</span>
<a name="l00103"></a>00103 <span class="comment">// (LCD BL cathode)-------------------------------+</span>
<a name="l00104"></a>00104 <span class="comment">// |</span>
<a name="l00105"></a>00105 <span class="comment">// D</span>
<a name="l00106"></a>00106 <span class="comment">// |</span>
<a name="l00107"></a>00107 <span class="comment">// (BL input)----[ 4.7k Resistor ]----+-------G-|-&lt; (2N7000 FET)</span>
<a name="l00108"></a>00108 <span class="comment">// | |</span>
<a name="l00109"></a>00109 <span class="comment">// (0.1uf) = S</span>
<a name="l00110"></a>00110 <span class="comment">// | |</span>
<a name="l00111"></a>00111 <span class="comment">// (gnd) (gnd)</span>
<a name="l00112"></a>00112 <span class="comment">// </span>
<a name="l00113"></a>00113 <span class="comment">// </span>
<a name="l00114"></a>00114 <span class="comment">// </span>
<a name="l00115"></a>00115 <span class="comment">//</span>
<a name="l00116"></a>00116 <span class="comment">// History</span>
<a name="l00117"></a>00117 <span class="comment">// 2012.03.16 bperrybap - creation/adaption from SR header to create SR2W header.</span>
<a name="l00118"></a>00118 <span class="comment">// Fixed typo in SR2W mask define names</span>
<a name="l00119"></a>00119 <span class="comment">// @author B. Perry - bperrybap@opensource.billsworld.billandterrie.com</span>
<a name="l00120"></a>00120 <span class="comment">// --------------------------------------------------------------------------------</span>
<a name="l00121"></a>00121 <span class="preprocessor">#ifndef _LIQUIDCRYSTAL_SR2W_</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span><span class="preprocessor">#define _LIQUIDCRYSTAL_SR2W_</span>
<a name="l00123"></a>00123 <span class="preprocessor"></span>
<a name="l00124"></a>00124 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00125"></a>00125 <span class="preprocessor">#include &quot;<a class="code" href="_l_c_d_8h.html">LCD.h</a>&quot;</span>
<a name="l00126"></a>00126 <span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
<a name="l00127"></a>00127
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="comment">// two-wire SR output bit constants</span>
<a name="l00130"></a>00130 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00131"></a>00131
<a name="l00132"></a><a class="code" href="_liquid_crystal___s_r2_w_8h.html#a53e3add69865ae57ca872cb41fcae9e3">00132</a> <span class="preprocessor">#define SR2W_BL_MASK 0x02</span>
<a name="l00133"></a><a class="code" href="_liquid_crystal___s_r2_w_8h.html#acce98b026d9fdcb2e126705c14af7500">00133</a> <span class="preprocessor"></span><span class="preprocessor">#define SR2W_RS_MASK 0x04</span>
<a name="l00134"></a><a class="code" href="_liquid_crystal___s_r2_w_8h.html#a7cf86f2a173473d01e02b2ac786a8690">00134</a> <span class="preprocessor"></span><span class="preprocessor">#define SR2W_DATA_MASK 0x78 // data bits are hard coded to be SR bits 6,5,4,3</span>
<a name="l00135"></a><a class="code" href="_liquid_crystal___s_r2_w_8h.html#a8d17b6abb5bcde6883dbdc86d34be9d8">00135</a> <span class="preprocessor"></span><span class="preprocessor">#define SR2W_EN_MASK 0x80 // cannot ever be changed</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00137"></a><a class="code" href="class_liquid_crystal___s_r2_w.html">00137</a> <span class="keyword">class </span><a class="code" href="class_liquid_crystal___s_r2_w.html">LiquidCrystal_SR2W</a> : <span class="keyword">public</span> <a class="code" href="class_l_c_d.html">LCD</a>
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="keyword">public</span>:
<a name="l00151"></a>00151 <a class="code" href="class_liquid_crystal___s_r2_w.html#af307fdf5c8feb757e965074dcdeb1dd3">LiquidCrystal_SR2W</a> (uint8_t srdata, uint8_t srclock, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> blpol = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>);
<a name="l00152"></a>00152
<a name="l00165"></a>00165 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r2_w.html#a65dc6f261c319be8e56f3c1f6a5c877d">send</a>(uint8_t value, uint8_t mode);
<a name="l00166"></a>00166
<a name="l00167"></a>00167
<a name="l00177"></a>00177 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r2_w.html#a2158db27287c1564a03e7a1472beb3b6">setBacklight</a> ( uint8_t mode );
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keyword">private</span>:
<a name="l00180"></a>00180
<a name="l00186"></a>00186 <span class="keywordtype">void</span> init ( uint8_t srdata, uint8_t srclock, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> blpol, uint8_t lines, uint8_t font );
<a name="l00187"></a>00187
<a name="l00192"></a>00192 <span class="keywordtype">void</span> loadSR (uint8_t val);
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _srDataRegister; <span class="comment">// Serial Data pin</span>
<a name="l00195"></a>00195 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _srDataMask;
<a name="l00196"></a>00196 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _srClockRegister; <span class="comment">// Clock Pin</span>
<a name="l00197"></a>00197 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _srClockMask;
<a name="l00198"></a>00198
<a name="l00199"></a>00199 uint8_t _blPolarity;
<a name="l00200"></a>00200 uint8_t _blMask;
<a name="l00201"></a>00201 };
<a name="l00202"></a>00202 <span class="preprocessor">#endif</span>
</pre></div></div>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="textblock"><code>#include &lt;stdio.h&gt;</code><br/>
<code>#include &lt;string.h&gt;</code><br/>
<code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &lt;WProgram.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_liquid_crystal___s_r3_w_8h_source.html">LiquidCrystal_SR3W.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>&quot;</code><br/>
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<p><a href="_liquid_crystal___s_r3_w_8cpp_source.html">Go to the source code of this file.</a></p>
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Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">D4</a>&#160;&#160;&#160;0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">D5</a>&#160;&#160;&#160;1</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">D6</a>&#160;&#160;&#160;2</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">D7</a>&#160;&#160;&#160;3</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">EN</a>&#160;&#160;&#160;4</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">LCD_BACKLIGHT</a>&#160;&#160;&#160;0xFF</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a>&#160;&#160;&#160;0x00</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#af8903d8eea3868940c60af887473b152">RS</a>&#160;&#160;&#160;6</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#afc4ded33ac0ca43defcce639e965748a">RW</a>&#160;&#160;&#160;5</td></tr>
</table>
<hr/><h2>Define Documentation</h2>
<a class="anchor" id="a3d9bb178282c3cb69740c94ba1e48fed"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::D4" ref="a3d9bb178282c3cb69740c94ba1e48fed" args="" -->
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<td class="memname">#define D4&#160;&#160;&#160;0</td>
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<p><a class="el" href="class_l_c_d.html">LCD</a> dataline allocation this library only supports 4 bit <a class="el" href="class_l_c_d.html">LCD</a> control mode. D4, D5, D6, D7 <a class="el" href="class_l_c_d.html">LCD</a> data lines pin mapping of the extender module </p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00126">126</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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<a class="anchor" id="a2ddd4183d444d6d128cbdbd6269e4e0c"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::D5" ref="a2ddd4183d444d6d128cbdbd6269e4e0c" args="" -->
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<td class="memname">#define D5&#160;&#160;&#160;1</td>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00127">127</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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<a class="anchor" id="a79a18a7f5ccf7a7ca31f302bd62527a6"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::D6" ref="a79a18a7f5ccf7a7ca31f302bd62527a6" args="" -->
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<td class="memname">#define D6&#160;&#160;&#160;2</td>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00128">128</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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</div>
<a class="anchor" id="a2ba78f059a7ebebc95e7beef690e88d6"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::D7" ref="a2ba78f059a7ebebc95e7beef690e88d6" args="" -->
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<td class="memname">#define D7&#160;&#160;&#160;3</td>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00129">129</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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</div>
<a class="anchor" id="a22e6626f2c98ed902f8ded47f6438c05"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::EN" ref="a22e6626f2c98ed902f8ded47f6438c05" args="" -->
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<td class="memname">#define EN&#160;&#160;&#160;4</td>
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<p>Enable bit of the <a class="el" href="class_l_c_d.html">LCD</a> Defines the IO of the expander connected to the LCD's Enable </p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00104">104</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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<a class="anchor" id="ac059d24dfe9c1e1f7c07cb7869a1833b"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::LCD_BACKLIGHT" ref="ac059d24dfe9c1e1f7c07cb7869a1833b" args="" -->
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<td class="memname">#define LCD_BACKLIGHT&#160;&#160;&#160;0xFF</td>
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<p>LCD_BACKLIGHT BACKLIGHT MASK used when backlight is on </p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00093">93</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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<a class="anchor" id="a65fa786d6e31fe8b1aa51784a9736581"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::LCD_NOBACKLIGHT" ref="a65fa786d6e31fe8b1aa51784a9736581" args="" -->
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<td class="memname">#define LCD_NOBACKLIGHT&#160;&#160;&#160;0x00</td>
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<p>LCD_NOBACKLIGHT No BACKLIGHT MASK </p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00086">86</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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</div>
<a class="anchor" id="af8903d8eea3868940c60af887473b152"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::RS" ref="af8903d8eea3868940c60af887473b152" args="" -->
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<td class="memname">#define RS&#160;&#160;&#160;6</td>
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<p>Register bit of the <a class="el" href="class_l_c_d.html">LCD</a> Defines the IO of the expander connected to the LCD's Register select pin </p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00118">118</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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</div>
<a class="anchor" id="afc4ded33ac0ca43defcce639e965748a"></a><!-- doxytag: member="LiquidCrystal_SR3W.cpp::RW" ref="afc4ded33ac0ca43defcce639e965748a" args="" -->
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<td class="memname">#define RW&#160;&#160;&#160;5</td>
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<p>Read/Write bit of the <a class="el" href="class_l_c_d.html">LCD</a> Defines the IO of the expander connected to the LCD's Rw pin </p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00111">111</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/LiquidCrystal_SR3W.cpp</div> </div>
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<a href="_liquid_crystal___s_r3_w_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 7.3.2012.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal_SRG.h</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic liquid crystal library that comes as standard</span>
<a name="l00014"></a>00014 <span class="comment">// in the Arduino SDK but using a generic SHIFT REGISTER extension board.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a basic implementation of the LiquidCrystal library of the</span>
<a name="l00018"></a>00018 <span class="comment">// Arduino SDK. The original library has been reworked in such a way that </span>
<a name="l00019"></a>00019 <span class="comment">// this class implements the all methods to command an LCD based</span>
<a name="l00020"></a>00020 <span class="comment">// on the Hitachi HD44780 and compatible chipsets using a 3 wire latching</span>
<a name="l00021"></a>00021 <span class="comment">// shift register. While it has been tested with a 74HC595N shift register</span>
<a name="l00022"></a>00022 <span class="comment">// it should also work with other latching shift registers such as the MC14094</span>
<a name="l00023"></a>00023 <span class="comment">// and the HEF4094</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// This particular driver has been created as generic as possible to enable</span>
<a name="l00026"></a>00026 <span class="comment">// users to configure and connect their LCDs using just 3 digital IOs from the</span>
<a name="l00027"></a>00027 <span class="comment">// AVR or Arduino, and connect the LCD to the outputs of the shiftregister</span>
<a name="l00028"></a>00028 <span class="comment">// in any configuration. The library is configured by passing the IO pins</span>
<a name="l00029"></a>00029 <span class="comment">// that control the strobe, data and clock of the shift register and a map</span>
<a name="l00030"></a>00030 <span class="comment">// of how the shiftregister is connected to the LCD.</span>
<a name="l00031"></a>00031 <span class="comment">// </span>
<a name="l00032"></a>00032 <span class="comment">//</span>
<a name="l00033"></a>00033 <span class="comment">// +--------------------------------------------+</span>
<a name="l00034"></a>00034 <span class="comment">// | MCU |</span>
<a name="l00035"></a>00035 <span class="comment">// | IO1 IO2 IO3 |</span>
<a name="l00036"></a>00036 <span class="comment">// +----+-------------+-------------+-----------+</span>
<a name="l00037"></a>00037 <span class="comment">// | | |</span>
<a name="l00038"></a>00038 <span class="comment">// | | |</span>
<a name="l00039"></a>00039 <span class="comment">// +----+-------------+-------------+-----------+</span>
<a name="l00040"></a>00040 <span class="comment">// | Strobe Data Clock |</span>
<a name="l00041"></a>00041 <span class="comment">// | 8-bit shift/latch register | 74HC595N</span>
<a name="l00042"></a>00042 <span class="comment">// | Qa0 Qb1 Qc2 Qd3 Qe4 Qf5 Qg6 Qh7 |</span>
<a name="l00043"></a>00043 <span class="comment">// +----+----+----+----+----+----+----+----+----+</span>
<a name="l00044"></a>00044 <span class="comment">// | | | | | | | </span>
<a name="l00045"></a>00045 <span class="comment">// |11 |12 |13 |14 |6 |5 |4 (LCD pins)</span>
<a name="l00046"></a>00046 <span class="comment">// +----+----+----+----+----+----+----+----+----+</span>
<a name="l00047"></a>00047 <span class="comment">// | DB4 DB5 DB6 DB7 E Rw RS |</span>
<a name="l00048"></a>00048 <span class="comment">// | LCD Module |</span>
<a name="l00049"></a>00049 <span class="comment">//</span>
<a name="l00050"></a>00050 <span class="comment">// NOTE: Rw is not used by the driver so it can be connected to GND.</span>
<a name="l00051"></a>00051 <span class="comment">//</span>
<a name="l00052"></a>00052 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00053"></a>00053 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library.</span>
<a name="l00054"></a>00054 <span class="comment">//</span>
<a name="l00055"></a>00055 <span class="comment">//</span>
<a name="l00056"></a>00056 <span class="comment">// History</span>
<a name="l00057"></a>00057 <span class="comment">// 2012.03.29 bperrybap - fixed constructors not properly using Rs</span>
<a name="l00058"></a>00058 <span class="comment">// Fixed incorrect use of 5x10 for default font </span>
<a name="l00059"></a>00059 <span class="comment">// - now matches original LQ library.</span>
<a name="l00060"></a>00060 <span class="comment">// moved delay to send() so it is per cmd/write vs shiftout()</span>
<a name="l00061"></a>00061 <span class="comment">// NOTE: delay is on hairy edge of working when FAST_MODE is on.</span>
<a name="l00062"></a>00062 <span class="comment">// because of waitUsec().</span>
<a name="l00063"></a>00063 <span class="comment">// There is margin at 16Mhz AVR but might fail on 20Mhz AVRs.</span>
<a name="l00064"></a>00064 <span class="comment">// </span>
<a name="l00065"></a>00065 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00066"></a>00066 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00067"></a>00067 <span class="comment">// flags for backlight control</span>
<a name="l00068"></a>00068 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00069"></a>00069 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00070"></a>00070 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00074"></a>00074 <span class="preprocessor">#else</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00076"></a>00076 <span class="preprocessor">#endif</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="_liquid_crystal___s_r3_w_8h.html">LiquidCrystal_SR3W.h</a>&quot;</span>
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
<a name="l00080"></a>00080
<a name="l00086"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">00086</a> <span class="preprocessor">#define LCD_NOBACKLIGHT 0x00</span>
<a name="l00087"></a>00087 <span class="preprocessor"></span>
<a name="l00093"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">00093</a> <span class="preprocessor">#define LCD_BACKLIGHT 0xFF</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span>
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="comment">// Default library configuration parameters used by class constructor with</span>
<a name="l00097"></a>00097 <span class="comment">// only the I2C address field.</span>
<a name="l00098"></a>00098 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00104"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">00104</a> <span class="comment"></span><span class="preprocessor">#define EN 4 // Enable bit</span>
<a name="l00105"></a>00105 <span class="preprocessor"></span>
<a name="l00111"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#afc4ded33ac0ca43defcce639e965748a">00111</a> <span class="preprocessor">#define RW 5 // Read/Write bit</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span>
<a name="l00118"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#af8903d8eea3868940c60af887473b152">00118</a> <span class="preprocessor">#define RS 6 // Register select bit</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span>
<a name="l00126"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">00126</a> <span class="preprocessor">#define D4 0</span>
<a name="l00127"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">00127</a> <span class="preprocessor"></span><span class="preprocessor">#define D5 1</span>
<a name="l00128"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">00128</a> <span class="preprocessor"></span><span class="preprocessor">#define D6 2</span>
<a name="l00129"></a><a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">00129</a> <span class="preprocessor"></span><span class="preprocessor">#define D7 3</span>
<a name="l00130"></a>00130 <span class="preprocessor"></span>
<a name="l00131"></a>00131
<a name="l00132"></a>00132
<a name="l00133"></a><a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">00133</a> <a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W::LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe)
<a name="l00134"></a>00134 {
<a name="l00135"></a>00135 init( data, clk, strobe, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#af8903d8eea3868940c60af887473b152">RS</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#afc4ded33ac0ca43defcce639e965748a">RW</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">EN</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">D4</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">D5</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">D6</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">D7</a> );
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137
<a name="l00138"></a><a class="code" href="class_liquid_crystal___s_r3_w.html#a7b2f382b76bc9d88adb8d681e824b4de">00138</a> <a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W::LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe,
<a name="l00139"></a>00139 uint8_t backlighPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141 init( data, clk, strobe, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#af8903d8eea3868940c60af887473b152">RS</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#afc4ded33ac0ca43defcce639e965748a">RW</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">EN</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">D4</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">D5</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">D6</a>, <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">D7</a> );
<a name="l00142"></a>00142 <a class="code" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">setBacklightPin</a>(backlighPin, pol);
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a><a class="code" href="class_liquid_crystal___s_r3_w.html#a4fab8ff2f21bba3efd133cd8c87fffc0">00145</a> <a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W::LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe,
<a name="l00146"></a>00146 uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00147"></a>00147 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 )
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 init( data, clk, strobe, Rs, Rw, En, d4, d5, d6, d7 );
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a><a class="code" href="class_liquid_crystal___s_r3_w.html#a24f051747dfeda48f7b207c3358c8015">00152</a> <a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W::LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe,
<a name="l00153"></a>00153 uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00154"></a>00154 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
<a name="l00155"></a>00155 uint8_t backlighPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 init( data, clk, strobe, Rs, Rw, En, d4, d5, d6, d7 );
<a name="l00158"></a>00158 <a class="code" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">setBacklightPin</a>(backlighPin, pol);
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161
<a name="l00162"></a><a class="code" href="class_liquid_crystal___s_r3_w.html#ade34af5b7fe795482f1848c2176d6e56">00162</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r3_w.html#ade34af5b7fe795482f1848c2176d6e56">LiquidCrystal_SR3W::send</a>(uint8_t value, uint8_t mode)
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="keywordflow">if</span> ( mode != <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a> )
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 write4bits( (value &gt;&gt; 4), mode ); <span class="comment">// upper nibble</span>
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169 write4bits( (value &amp; 0x0F), mode); <span class="comment">// lower nibble</span>
<a name="l00170"></a>00170
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="preprocessor">#if (F_CPU &lt;= 16000000)</span>
<a name="l00173"></a>00173 <span class="preprocessor"></span> <span class="comment">// No need to use the delay routines on AVR since the time taken to write</span>
<a name="l00174"></a>00174 <span class="comment">// on AVR with SR pin mapping even with fio is longer than LCD command execution.</span>
<a name="l00175"></a>00175 <a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a>(37); <span class="comment">//goes away on AVRs</span>
<a name="l00176"></a>00176 <span class="preprocessor">#else</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span> delayMicroseconds ( 37 ); <span class="comment">// commands &amp; data writes need &gt; 37us to complete</span>
<a name="l00178"></a>00178 <span class="preprocessor">#endif</span>
<a name="l00179"></a>00179 <span class="preprocessor"></span>
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182
<a name="l00183"></a><a class="code" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">00183</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">LiquidCrystal_SR3W::setBacklightPin</a> ( uint8_t value, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a> )
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 _backlightPinMask = ( 1 &lt;&lt; value );
<a name="l00186"></a>00186 _backlightStsMask = <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a>;
<a name="l00187"></a>00187 <a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> = pol;
<a name="l00188"></a>00188 <a class="code" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">setBacklight</a> (<a class="code" href="_l_c_d_8h.html#a0f50ae3b4bdb42dd5ad74b2c604a7515">BACKLIGHT_OFF</a>); <span class="comment">// Set backlight to off as initial setup</span>
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190
<a name="l00191"></a><a class="code" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">00191</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">LiquidCrystal_SR3W::setBacklight</a> ( uint8_t value )
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 <span class="comment">// Check if backlight is available</span>
<a name="l00194"></a>00194 <span class="comment">// ----------------------------------------------------</span>
<a name="l00195"></a>00195 <span class="keywordflow">if</span> ( _backlightPinMask != 0x0 )
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 <span class="comment">// Check for polarity to configure mask accordingly</span>
<a name="l00198"></a>00198 <span class="comment">// ----------------------------------------------------------</span>
<a name="l00199"></a>00199 <span class="keywordflow">if</span> (((<a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>) &amp;&amp; (value &gt; 0)) ||
<a name="l00200"></a>00200 ((<a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> == <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865">NEGATIVE</a> ) &amp;&amp; ( value == 0 )))
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202 _backlightStsMask = _backlightPinMask &amp; <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">LCD_BACKLIGHT</a>;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204 <span class="keywordflow">else</span>
<a name="l00205"></a>00205 {
<a name="l00206"></a>00206 _backlightStsMask = _backlightPinMask &amp; <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a>;
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208 loadSR( _backlightStsMask );
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="comment">// PRIVATE METHODS</span>
<a name="l00214"></a>00214 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keywordtype">int</span> LiquidCrystal_SR3W::init(uint8_t data, uint8_t clk, uint8_t strobe,
<a name="l00217"></a>00217 uint8_t Rs, uint8_t Rw, uint8_t En,
<a name="l00218"></a>00218 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220 _data = <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(data);
<a name="l00221"></a>00221 _clk = <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(clk);
<a name="l00222"></a>00222 _strobe = <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(strobe);
<a name="l00223"></a>00223 _data_reg = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(data);
<a name="l00224"></a>00224 _clk_reg = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(clk);
<a name="l00225"></a>00225 _strobe_reg = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(strobe);
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="comment">// LCD pin mapping</span>
<a name="l00228"></a>00228 _backlightPinMask = 0;
<a name="l00229"></a>00229 _backlightStsMask = <a class="code" href="_liquid_crystal___s_r3_w_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LCD_NOBACKLIGHT</a>;
<a name="l00230"></a>00230 <a class="code" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a> = <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">POSITIVE</a>;
<a name="l00231"></a>00231
<a name="l00232"></a>00232 _En = ( 1 &lt;&lt; En );
<a name="l00233"></a>00233 _Rw = ( 1 &lt;&lt; Rw );
<a name="l00234"></a>00234 _Rs = ( 1 &lt;&lt; Rs );
<a name="l00235"></a>00235
<a name="l00236"></a>00236 <span class="comment">// Initialise pin mapping</span>
<a name="l00237"></a>00237 _data_pins[0] = ( 1 &lt;&lt; d4 );
<a name="l00238"></a>00238 _data_pins[1] = ( 1 &lt;&lt; d5 );
<a name="l00239"></a>00239 _data_pins[2] = ( 1 &lt;&lt; d6 );
<a name="l00240"></a>00240 _data_pins[3] = ( 1 &lt;&lt; d7 );
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> = <a class="code" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD_4BITMODE</a> | <a class="code" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD_1LINE</a> | <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>;
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="keywordflow">return</span> (1);
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="keywordtype">void</span> LiquidCrystal_SR3W::write4bits(uint8_t value, uint8_t mode)
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249 uint8_t pinMapValue = 0;
<a name="l00250"></a>00250
<a name="l00251"></a>00251 <span class="comment">// Map the value to LCD pin mapping</span>
<a name="l00252"></a>00252 <span class="comment">// --------------------------------</span>
<a name="l00253"></a>00253 <span class="keywordflow">for</span> ( uint8_t i = 0; i &lt; 4; i++ )
<a name="l00254"></a>00254 {
<a name="l00255"></a>00255 <span class="keywordflow">if</span> ( ( value &amp; 0x1 ) == 1 )
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 pinMapValue |= _data_pins[i];
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259 value = ( value &gt;&gt; 1 );
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261
<a name="l00262"></a>00262 <span class="comment">// Is it a command or data</span>
<a name="l00263"></a>00263 <span class="comment">// -----------------------</span>
<a name="l00264"></a>00264 mode = ( mode == <a class="code" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">DATA</a> ) ? _Rs : 0;
<a name="l00265"></a>00265
<a name="l00266"></a>00266 pinMapValue |= mode | _backlightStsMask;
<a name="l00267"></a>00267 loadSR ( pinMapValue | _En ); <span class="comment">// Send with enable high</span>
<a name="l00268"></a>00268 loadSR ( pinMapValue); <span class="comment">// Send with enable low</span>
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="keywordtype">void</span> LiquidCrystal_SR3W::loadSR(uint8_t value)
<a name="l00273"></a>00273 {
<a name="l00274"></a>00274 <span class="comment">// Load the shift register with information</span>
<a name="l00275"></a>00275 <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>(_data_reg, _data, _clk_reg, _clk, value, MSBFIRST);
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="comment">// Strobe the data into the latch</span>
<a name="l00278"></a>00278 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00279"></a>00279 {
<a name="l00280"></a>00280 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(_strobe_reg, _strobe);
<a name="l00281"></a>00281 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(_strobe_reg, _strobe, LOW);
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283 }
</pre></div></div>
</div>
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<div class="textblock"><code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_l_c_d_8h_source.html">LCD.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>&quot;</code><br/>
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<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/LiquidCrystal_SR3W.h</div> </div>
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<a href="_liquid_crystal___s_r3_w_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 7.3.2012.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal_SR3W.h</span>
<a name="l00013"></a>00013 <span class="comment">// This file implements a basic liquid crystal library that comes as standard</span>
<a name="l00014"></a>00014 <span class="comment">// in the Arduino SDK but using a generic SHIFT REGISTER extension board.</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a basic implementation of the LiquidCrystal library of the</span>
<a name="l00018"></a>00018 <span class="comment">// Arduino SDK. The original library has been reworked in such a way that </span>
<a name="l00019"></a>00019 <span class="comment">// this class implements the all methods to command an LCD based</span>
<a name="l00020"></a>00020 <span class="comment">// on the Hitachi HD44780 and compatible chipsets using a 3 wire latching</span>
<a name="l00021"></a>00021 <span class="comment">// shift register. While it has been tested with a 74HC595N shift register</span>
<a name="l00022"></a>00022 <span class="comment">// it should also work with other latching shift registers such as the MC14094</span>
<a name="l00023"></a>00023 <span class="comment">// and the HEF4094</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// This particular driver has been created as generic as possible to enable</span>
<a name="l00026"></a>00026 <span class="comment">// users to configure and connect their LCDs using just 3 digital IOs from the</span>
<a name="l00027"></a>00027 <span class="comment">// AVR or Arduino, and connect the LCD to the outputs of the shiftregister</span>
<a name="l00028"></a>00028 <span class="comment">// in any configuration. The library is configured by passing the IO pins</span>
<a name="l00029"></a>00029 <span class="comment">// that control the strobe, data and clock of the shift register and a map</span>
<a name="l00030"></a>00030 <span class="comment">// of how the shiftregister is connected to the LCD.</span>
<a name="l00031"></a>00031 <span class="comment">// </span>
<a name="l00032"></a>00032 <span class="comment">//</span>
<a name="l00033"></a>00033 <span class="comment">// +--------------------------------------------+</span>
<a name="l00034"></a>00034 <span class="comment">// | MCU |</span>
<a name="l00035"></a>00035 <span class="comment">// | IO1 IO2 IO3 |</span>
<a name="l00036"></a>00036 <span class="comment">// +----+-------------+-------------+-----------+</span>
<a name="l00037"></a>00037 <span class="comment">// | | |</span>
<a name="l00038"></a>00038 <span class="comment">// | | |</span>
<a name="l00039"></a>00039 <span class="comment">// +----+-------------+-------------+-----------+</span>
<a name="l00040"></a>00040 <span class="comment">// | Strobe Data Clock |</span>
<a name="l00041"></a>00041 <span class="comment">// | 8-bit shift/latch register | 74HC595N</span>
<a name="l00042"></a>00042 <span class="comment">// | Qa0 Qb1 Qc2 Qd3 Qe4 Qf5 Qg6 Qh7 |</span>
<a name="l00043"></a>00043 <span class="comment">// +----+----+----+----+----+----+----+----+----+</span>
<a name="l00044"></a>00044 <span class="comment">// | | | | | | | </span>
<a name="l00045"></a>00045 <span class="comment">// |11 |12 |13 |14 |6 |5 |4 (LCD pins)</span>
<a name="l00046"></a>00046 <span class="comment">// +----+----+----+----+----+----+----+----+----+</span>
<a name="l00047"></a>00047 <span class="comment">// | DB4 DB5 DB6 DB7 E Rw RS |</span>
<a name="l00048"></a>00048 <span class="comment">// | LCD Module |</span>
<a name="l00049"></a>00049 <span class="comment">//</span>
<a name="l00050"></a>00050 <span class="comment">// NOTE: Rw is not used by the driver so it can be connected to GND.</span>
<a name="l00051"></a>00051 <span class="comment">//</span>
<a name="l00052"></a>00052 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00053"></a>00053 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library.</span>
<a name="l00054"></a>00054 <span class="comment">//</span>
<a name="l00055"></a>00055 <span class="comment">//</span>
<a name="l00056"></a>00056 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00057"></a>00057 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00058"></a>00058 <span class="preprocessor">#ifndef _LIQUIDCRYSTAL_SR3W_H_</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define _LIQUIDCRYSTAL_SR3W_H_</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>
<a name="l00061"></a>00061 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00062"></a>00062 <span class="preprocessor">#include &quot;<a class="code" href="_l_c_d_8h.html">LCD.h</a>&quot;</span>
<a name="l00063"></a>00063 <span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
<a name="l00064"></a>00064
<a name="l00065"></a>00065
<a name="l00066"></a><a class="code" href="class_liquid_crystal___s_r3_w.html">00066</a> <span class="keyword">class </span><a class="code" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a> : <span class="keyword">public</span> <a class="code" href="class_l_c_d.html">LCD</a>
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <span class="keyword">public</span>:
<a name="l00069"></a>00069
<a name="l00090"></a>00090 <a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe);
<a name="l00091"></a>00091 <span class="comment">// Constructor with backlight control</span>
<a name="l00092"></a>00092 <a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe,
<a name="l00093"></a>00093 uint8_t backlighPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00094"></a>00094
<a name="l00112"></a>00112 <a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe,
<a name="l00113"></a>00113 uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00114"></a>00114 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7 );
<a name="l00115"></a>00115 <span class="comment">// Constructor with backlight control</span>
<a name="l00116"></a>00116 <a class="code" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W</a>( uint8_t data, uint8_t clk, uint8_t strobe,
<a name="l00117"></a>00117 uint8_t En, uint8_t Rw, uint8_t Rs,
<a name="l00118"></a>00118 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7,
<a name="l00119"></a>00119 uint8_t backlighPin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol);
<a name="l00120"></a>00120
<a name="l00133"></a>00133 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r3_w.html#ade34af5b7fe795482f1848c2176d6e56">send</a>(uint8_t value, uint8_t mode);
<a name="l00134"></a>00134
<a name="l00143"></a>00143 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">setBacklightPin</a> ( uint8_t value, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol );
<a name="l00144"></a>00144
<a name="l00154"></a>00154 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">setBacklight</a> ( uint8_t value );
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keyword">private</span>:
<a name="l00157"></a>00157
<a name="l00163"></a>00163 <span class="keywordtype">int</span> init(uint8_t data, uint8_t clk, uint8_t strobe,
<a name="l00164"></a>00164 uint8_t Rs, uint8_t Rw, uint8_t En,
<a name="l00165"></a>00165 uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7);
<a name="l00166"></a>00166
<a name="l00175"></a>00175 <span class="keywordtype">void</span> write4bits(uint8_t value, uint8_t mode);
<a name="l00176"></a>00176
<a name="l00183"></a>00183 <span class="keywordtype">void</span> loadSR(uint8_t value);
<a name="l00184"></a>00184
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _strobe; <span class="comment">// shift register strobe pin</span>
<a name="l00187"></a>00187 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _strobe_reg; <span class="comment">// SR strobe pin MCU register</span>
<a name="l00188"></a>00188 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _data; <span class="comment">// shift register data pin</span>
<a name="l00189"></a>00189 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _data_reg; <span class="comment">// SR data pin MCU register</span>
<a name="l00190"></a>00190 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _clk; <span class="comment">// shift register clock pin</span>
<a name="l00191"></a>00191 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _clk_reg; <span class="comment">// SR clock pin MCU register</span>
<a name="l00192"></a>00192 uint8_t _En; <span class="comment">// LCD expander word for enable pin</span>
<a name="l00193"></a>00193 uint8_t _Rw; <span class="comment">// LCD expander word for R/W pin</span>
<a name="l00194"></a>00194 uint8_t _Rs; <span class="comment">// LCD expander word for Register Select pin</span>
<a name="l00195"></a>00195 uint8_t _data_pins[4]; <span class="comment">// LCD data lines</span>
<a name="l00196"></a>00196 uint8_t _backlightPinMask; <span class="comment">// Backlight IO pin mask</span>
<a name="l00197"></a>00197 uint8_t _backlightStsMask; <span class="comment">// Backlight status mask</span>
<a name="l00198"></a>00198
<a name="l00199"></a>00199 };
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="preprocessor">#endif</span>
<a name="l00202"></a>00202 <span class="preprocessor"></span>
</pre></div></div>
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<div class="textblock"><code>#include &lt;stdio.h&gt;</code><br/>
<code>#include &lt;string.h&gt;</code><br/>
<code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &lt;WProgram.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_liquid_crystal___s_r_8h_source.html">LiquidCrystal_SR.h</a>&quot;</code><br/>
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<a href="_liquid_crystal___s_r_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal_SR.h</span>
<a name="l00013"></a>00013 <span class="comment">// Connects an LCD using 2 or 3 pins from the Arduino, via an 8-bit </span>
<a name="l00014"></a>00014 <span class="comment">// ShiftRegister (SR from now on).</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a port of the ShiftRegLCD library from raron and ported to the</span>
<a name="l00018"></a>00018 <span class="comment">// LCD library.</span>
<a name="l00019"></a>00019 <span class="comment">//</span>
<a name="l00020"></a>00020 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00021"></a>00021 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library and can</span>
<a name="l00022"></a>00022 <span class="comment">// be used as such.</span>
<a name="l00023"></a>00023 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment">// Modified to work serially with the shiftOut() function, an 8-bit</span>
<a name="l00025"></a>00025 <span class="comment">// unlatched, no-tristate, unidirectional SIPO (Serial-In-Parallel-Out)</span>
<a name="l00026"></a>00026 <span class="comment">// shift register (IE a very simple SR), and an LCD in 4-bit mode.</span>
<a name="l00027"></a>00027 <span class="comment">// Any such shift register should do (pref. 74LS family IC&#39;s for 2-wire).</span>
<a name="l00028"></a>00028 <span class="comment">// I used 74LS164, for the reason that&#39;s what I had at hand.</span>
<a name="l00029"></a>00029 <span class="comment">//</span>
<a name="l00030"></a>00030 <span class="comment">// Connection description:</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00032"></a>00032 <span class="comment">// SR output:</span>
<a name="l00033"></a>00033 <span class="comment">// Bit #0 - N/C - not connected, used to hold a zero</span>
<a name="l00034"></a>00034 <span class="comment">// Bit #1 - N/C</span>
<a name="l00035"></a>00035 <span class="comment">// Bit #2 - connects to RS (Register Select) on the LCD</span>
<a name="l00036"></a>00036 <span class="comment">// Bits #3-6 - connects to LCD data inputs D4 - D7.</span>
<a name="l00037"></a>00037 <span class="comment">// Bit #7 - enables the LCD enable-puls (via the diode-resistor AND &quot;gate&quot;)</span>
<a name="l00038"></a>00038 <span class="comment">//</span>
<a name="l00039"></a>00039 <span class="comment">// 2 or 3 Pins required from the Arduino for Data, Clock and (optional) Enable</span>
<a name="l00040"></a>00040 <span class="comment">// If not using Enable, the Data pin is used for the enable signal by defining</span>
<a name="l00041"></a>00041 <span class="comment">// the same pin for Enable as for Data. Data and Clock outputs/pins goes to</span>
<a name="l00042"></a>00042 <span class="comment">// the shiftregister.</span>
<a name="l00043"></a>00043 <span class="comment">// LCD RW-pin hardwired to LOW (only writing to LCD).</span>
<a name="l00044"></a>00044 <span class="comment">// Busy Flag (BF, data bit D7) is not read.</span>
<a name="l00045"></a>00045 <span class="comment">//</span>
<a name="l00046"></a>00046 <span class="comment">// Original project homepage: http://code.google.com/p/arduinoshiftreglcd/</span>
<a name="l00047"></a>00047 <span class="comment">//</span>
<a name="l00048"></a>00048 <span class="comment">//</span>
<a name="l00049"></a>00049 <span class="comment">// History</span>
<a name="l00050"></a>00050 <span class="comment">// 2012.03.29 bperrybap - Added delays for faster fio shiftout (it got too fast)</span>
<a name="l00051"></a>00051 <span class="comment">// AVR needed delay. cmd/write delays are based on CPU speed so it works on pic32.</span>
<a name="l00052"></a>00052 <span class="comment">// Added code to support indicating two wire mode by using enable=data pin</span>
<a name="l00053"></a>00053 <span class="comment">// (documentation indicated this as working)</span>
<a name="l00054"></a>00054 <span class="comment">// Fixed incorrect use of 5x10 for default font - now matches original LQ library.</span>
<a name="l00055"></a>00055 <span class="comment">// can now eliminate enable pin in constructor for two wire mode.</span>
<a name="l00056"></a>00056 <span class="comment">// 2012.01.16 Florian Fida - faster digitalWrite/shiftOut</span>
<a name="l00057"></a>00057 <span class="comment">// 2011.10.29 fmalpartida - adaption of the library to the LCD class hierarchy.</span>
<a name="l00058"></a>00058 <span class="comment">// 2011.07.02 Fixed a minor flaw in setCursor function. No functional change, </span>
<a name="l00059"></a>00059 <span class="comment">// just a bit more memory efficient.</span>
<a name="l00060"></a>00060 <span class="comment">// Thanks to CapnBry (from google code and github) who noticed it.</span>
<a name="l00061"></a>00061 <span class="comment">// URL to his version of shiftregLCD:</span>
<a name="l00062"></a>00062 <span class="comment">// https://github.com/CapnBry/HeaterMeter/commit/c6beba1b46b092ab0b33bcbd0a30a201fd1f28c1</span>
<a name="l00063"></a>00063 <span class="comment">// 2009.07.30 raron - minor corrections to the comments.</span>
<a name="l00064"></a>00064 <span class="comment">// Fixed timing to datasheet safe. Fixed keyword highlights.</span>
<a name="l00065"></a>00065 <span class="comment">// 2009.07.28 Mircho / raron - a new modification to the schematics, and a</span>
<a name="l00066"></a>00066 <span class="comment">// more streamlined interface</span>
<a name="l00067"></a>00067 <span class="comment">// 2009.07.27 Thanks to an excellent suggestion from mircho at the Arduino</span>
<a name="l00068"></a>00068 <span class="comment">// playgrond forum, the number of wires now required is only two!</span>
<a name="l00069"></a>00069 <span class="comment">// 2009.07.25 raron - Fixed comments. I really messed up the comments before </span>
<a name="l00070"></a>00070 <span class="comment">// posting this, so I had to fix it.</span>
<a name="l00071"></a>00071 <span class="comment">// Renamed a function, but no improvements or functional changes.</span>
<a name="l00072"></a>00072 <span class="comment">// 2009.07.23 Incorporated some proper initialization routines</span>
<a name="l00073"></a>00073 <span class="comment">// inspired (lets say copy-paste-tweaked) from LiquidCrystal</span>
<a name="l00074"></a>00074 <span class="comment">// library improvements from LadyAda.</span>
<a name="l00075"></a>00075 <span class="comment">// 2009.05.23 raron - first version, but based mostly (as in almost verbatim)</span>
<a name="l00076"></a>00076 <span class="comment">// on the &quot;official&quot; LiquidCrystal library.</span>
<a name="l00077"></a>00077 <span class="comment">//</span>
<a name="l00078"></a>00078 <span class="comment">//</span>
<a name="l00079"></a>00079 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00080"></a>00080 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00081"></a>00081 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00082"></a>00082 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00083"></a>00083 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00086"></a>00086 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00087"></a>00087 <span class="preprocessor">#else</span>
<a name="l00088"></a>00088 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00089"></a>00089 <span class="preprocessor">#endif</span>
<a name="l00090"></a>00090 <span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="_liquid_crystal___s_r_8h.html">LiquidCrystal_SR.h</a>&quot;</span>
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
<a name="l00093"></a>00093
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="comment">// CONSTRUCTORS</span>
<a name="l00096"></a>00096 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00097"></a>00097 <span class="comment">// Assuming 1 line 8 pixel high font</span>
<a name="l00098"></a><a class="code" href="class_liquid_crystal___s_r.html#ac3fe0b48f8d4c1c941d82d1333495cfc">00098</a> <a class="code" href="class_liquid_crystal___s_r.html#ac3fe0b48f8d4c1c941d82d1333495cfc">LiquidCrystal_SR::LiquidCrystal_SR</a> (uint8_t srdata, uint8_t srclock,
<a name="l00099"></a>00099 uint8_t enable )
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 init ( srdata, srclock, enable, 1, 0 );
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="comment">// PRIVATE METHODS</span>
<a name="l00106"></a>00106 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="comment">//</span>
<a name="l00109"></a>00109 <span class="comment">// init</span>
<a name="l00110"></a>00110 <span class="keywordtype">void</span> LiquidCrystal_SR::init(uint8_t srdata, uint8_t srclock, uint8_t enable,
<a name="l00111"></a>00111 uint8_t lines, uint8_t font)
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <span class="comment">// Initialise private variables</span>
<a name="l00114"></a>00114 _two_wire = 0;
<a name="l00115"></a>00115
<a name="l00116"></a>00116 _srDataRegister = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(srdata);
<a name="l00117"></a>00117 _srDataBit = <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(srdata);
<a name="l00118"></a>00118 _srClockRegister = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(srclock);
<a name="l00119"></a>00119 _srClockBit = <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(srclock);
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordflow">if</span> ((enable == <a class="code" href="_liquid_crystal___s_r_8h.html#a40fb1f76bc5f8ca9e6534b47bd6da27c">TWO_WIRE</a>) || (enable == srdata))
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 _two_wire = 1;
<a name="l00124"></a>00124 _srEnableRegister = _srDataRegister;
<a name="l00125"></a>00125 _srEnableBit = _srDataBit;
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127 <span class="keywordflow">else</span>
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 _srEnableRegister = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(enable);
<a name="l00130"></a>00130 _srEnableBit = <a class="code" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a>(enable);
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="comment">// Configure control pins as outputs</span>
<a name="l00134"></a>00134 <span class="comment">// ------------------------------------------------------------------------</span>
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> = <a class="code" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD_4BITMODE</a> | <a class="code" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD_1LINE</a> | <a class="code" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD_5x8DOTS</a>;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="comment">//</span>
<a name="l00140"></a>00140 <span class="comment">// shiftIt</span>
<a name="l00141"></a>00141 <span class="keywordtype">void</span> LiquidCrystal_SR::shiftIt(uint8_t val)
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (_two_wire)
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 <span class="comment">// Clear to get Enable LOW</span>
<a name="l00146"></a>00146 <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>(_srDataRegister, _srDataBit, _srClockRegister, _srClockBit);
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>(_srDataRegister, _srDataBit, _srClockRegister, _srClockBit, val, MSBFIRST);
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">// LCD ENABLE PULSE</span>
<a name="l00151"></a>00151 <span class="comment">//</span>
<a name="l00152"></a>00152 <span class="comment">// While this library is written with a shift register without an output</span>
<a name="l00153"></a>00153 <span class="comment">// latch in mind, it can work in 3-wire mode with a shiftregister with a</span>
<a name="l00154"></a>00154 <span class="comment">// latch. The shiftregister latch pin (STR, RCL or similar) is then</span>
<a name="l00155"></a>00155 <span class="comment">// connected to the LCD enable pin. The LCD is (very likely) slower</span>
<a name="l00156"></a>00156 <span class="comment">// to read the Enable pulse, and then reads the new contents of the SR.</span>
<a name="l00157"></a>00157 <a class="code" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(_srEnableRegister, _srEnableBit);
<a name="l00160"></a>00160 <a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a> (1); <span class="comment">// enable pulse must be &gt;450ns </span>
<a name="l00161"></a>00161 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(_srEnableRegister, _srEnableBit, LOW);
<a name="l00162"></a>00162 } <span class="comment">// end critical section</span>
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="comment">// PUBLIC METHODS</span>
<a name="l00166"></a>00166 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00167"></a>00167
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="comment">/************ low level data pushing commands **********/</span>
<a name="l00170"></a>00170 <span class="comment">//</span>
<a name="l00171"></a>00171 <span class="comment">// send</span>
<a name="l00172"></a><a class="code" href="class_liquid_crystal___s_r.html#a03821351a32db07cb7e42c8c11ce8d47">00172</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r.html#a03821351a32db07cb7e42c8c11ce8d47">LiquidCrystal_SR::send</a>(uint8_t value, uint8_t mode)
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 <span class="comment">// Divide byte in two nibbles include the RS signal</span>
<a name="l00175"></a>00175 <span class="comment">// and format it for shiftregister output wiring to the LCD</span>
<a name="l00176"></a>00176 <span class="comment">// We are only interested in my COMMAND or DATA for myMode</span>
<a name="l00177"></a>00177 uint8_t myMode = ( mode == <a class="code" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">DATA</a> ) ? <a class="code" href="_liquid_crystal___s_r_8h.html#afdaa2bbb2cc185700864ac8d7a570ced">SR_RS_BIT</a> : 0; <span class="comment">// RS bit; LOW: command. HIGH: character.</span>
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="keywordflow">if</span> ( mode != <a class="code" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">FOUR_BITS</a> )
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181 shiftIt(myMode | <a class="code" href="_liquid_crystal___s_r_8h.html#a0075b041d82abb47f279dce482e7b087">SR_EN_BIT</a> | ((value &gt;&gt; 1) &amp; 0x78)); <span class="comment">// upper nibble</span>
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a>00184 shiftIt(myMode | <a class="code" href="_liquid_crystal___s_r_8h.html#a0075b041d82abb47f279dce482e7b087">SR_EN_BIT</a> | ((value &lt;&lt; 3) &amp; 0x78)); <span class="comment">// lower nibble</span>
<a name="l00185"></a>00185 <span class="comment">/*</span>
<a name="l00186"></a>00186 <span class="comment"> * Add some delay since this code is so fast it needs some added delay</span>
<a name="l00187"></a>00187 <span class="comment"> * even on AVRs because the shiftout is shorter than the LCD command execution time.</span>
<a name="l00188"></a>00188 <span class="comment"> */</span>
<a name="l00189"></a>00189 <span class="preprocessor">#if (F_CPU &lt;= 16000000)</span>
<a name="l00190"></a>00190 <span class="preprocessor"></span> <span class="keywordflow">if</span>(_two_wire)
<a name="l00191"></a>00191 delayMicroseconds ( 10 );
<a name="l00192"></a>00192 <span class="keywordflow">else</span>
<a name="l00193"></a>00193 delayMicroseconds ( 17 ); <span class="comment">// 3 wire mode is faster so it must delay longer</span>
<a name="l00194"></a>00194 <span class="preprocessor">#else</span>
<a name="l00195"></a>00195 <span class="preprocessor"></span> delayMicroseconds ( 37 ); <span class="comment">// commands &amp; data writes need &gt; 37us to complete</span>
<a name="l00196"></a>00196 <span class="preprocessor">#endif</span>
<a name="l00197"></a>00197 <span class="preprocessor"></span>
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="comment">//</span>
<a name="l00201"></a>00201 <span class="comment">// setBacklightPin</span>
<a name="l00202"></a><a class="code" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">00202</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">LiquidCrystal_SR::setBacklightPin</a> ( uint8_t pin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol )
<a name="l00203"></a>00203 { }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">//</span>
<a name="l00206"></a>00206 <span class="comment">// setBacklight</span>
<a name="l00207"></a><a class="code" href="class_liquid_crystal___s_r.html#ad9f3e3f36257984c23fb508973e14535">00207</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r.html#ad9f3e3f36257984c23fb508973e14535">LiquidCrystal_SR::setBacklight</a> ( uint8_t mode )
<a name="l00208"></a>00208 { }
<a name="l00209"></a>00209
</pre></div></div>
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<div class="textblock"><code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_l_c_d_8h_source.html">LCD.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>&quot;</code><br/>
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Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r_8h.html#a0075b041d82abb47f279dce482e7b087">SR_EN_BIT</a>&#160;&#160;&#160;0x80</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r_8h.html#afdaa2bbb2cc185700864ac8d7a570ced">SR_RS_BIT</a>&#160;&#160;&#160;0x04</td></tr>
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<hr/><h2>Define Documentation</h2>
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<td class="memname">#define SR_EN_BIT&#160;&#160;&#160;0x80</td>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r_8h_source.html#l00092">92</a> of file <a class="el" href="_liquid_crystal___s_r_8h_source.html">LiquidCrystal_SR.h</a>.</p>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r_8h_source.html#l00091">91</a> of file <a class="el" href="_liquid_crystal___s_r_8h_source.html">LiquidCrystal_SR.h</a>.</p>
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<a href="_liquid_crystal___s_r_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// Thread Safe: No</span>
<a name="l00010"></a>00010 <span class="comment">// Extendable: Yes</span>
<a name="l00011"></a>00011 <span class="comment">//</span>
<a name="l00012"></a>00012 <span class="comment">// @file LiquidCrystal_SR.h</span>
<a name="l00013"></a>00013 <span class="comment">// Connects an LCD using 2 or 3 pins from the Arduino, via an 8-bit </span>
<a name="l00014"></a>00014 <span class="comment">// ShiftRegister (SR from now on).</span>
<a name="l00015"></a>00015 <span class="comment">// </span>
<a name="l00016"></a>00016 <span class="comment">// @brief </span>
<a name="l00017"></a>00017 <span class="comment">// This is a port of the ShiftRegLCD library from raron and ported to the</span>
<a name="l00018"></a>00018 <span class="comment">// LCD library.</span>
<a name="l00019"></a>00019 <span class="comment">//</span>
<a name="l00020"></a>00020 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00021"></a>00021 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library and can</span>
<a name="l00022"></a>00022 <span class="comment">// be used as such.</span>
<a name="l00023"></a>00023 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment">// Modified to work serially with the shiftOut() function, an 8-bit</span>
<a name="l00025"></a>00025 <span class="comment">// unlatched, no-tristate, unidirectional SIPO (Serial-In-Parallel-Out)</span>
<a name="l00026"></a>00026 <span class="comment">// shift register (IE a very simple SR), and an LCD in 4-bit mode.</span>
<a name="l00027"></a>00027 <span class="comment">// Any such shift register should do (pref. 74LS family IC&#39;s for 2-wire).</span>
<a name="l00028"></a>00028 <span class="comment">// I used 74LS164, for the reason that&#39;s what I had at hand.</span>
<a name="l00029"></a>00029 <span class="comment">//</span>
<a name="l00030"></a>00030 <span class="comment">// Connection description:</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00032"></a>00032 <span class="comment">// SR output:</span>
<a name="l00033"></a>00033 <span class="comment">// Bit #0 - N/C - not connected, used to hold a zero</span>
<a name="l00034"></a>00034 <span class="comment">// Bit #1 - N/C</span>
<a name="l00035"></a>00035 <span class="comment">// Bit #2 - connects to RS (Register Select) on the LCD</span>
<a name="l00036"></a>00036 <span class="comment">// Bits #3-6 - connects to LCD data inputs D4 - D7.</span>
<a name="l00037"></a>00037 <span class="comment">// Bit #7 - enables the LCD enable-puls (via the diode-resistor AND &quot;gate&quot;)</span>
<a name="l00038"></a>00038 <span class="comment">//</span>
<a name="l00039"></a>00039 <span class="comment">// 2 or 3 Pins required from the Arduino for Data, Clock and (optional) Enable</span>
<a name="l00040"></a>00040 <span class="comment">// If not using Enable, the Data pin will be used for the enable signal.</span>
<a name="l00041"></a>00041 <span class="comment">// 2 wire mode can be indicated by:</span>
<a name="l00042"></a>00042 <span class="comment">// - ommitting the enable pin in constructor</span>
<a name="l00043"></a>00043 <span class="comment">// - defining the same pin for Enable as for Data in constructor</span>
<a name="l00044"></a>00044 <span class="comment">// - by using the token TWO_WIRE for the enable pin.</span>
<a name="l00045"></a>00045 <span class="comment">//</span>
<a name="l00046"></a>00046 <span class="comment">// Data and Clock outputs/pins goes to the shiftregister.</span>
<a name="l00047"></a>00047 <span class="comment">// LCD RW-pin hardwired to LOW (only writing to LCD).</span>
<a name="l00048"></a>00048 <span class="comment">// Busy Flag (BF, data bit D7) is not read.</span>
<a name="l00049"></a>00049 <span class="comment">//</span>
<a name="l00050"></a>00050 <span class="comment">// Original project homepage: http://code.google.com/p/arduinoshiftreglcd/</span>
<a name="l00051"></a>00051 <span class="comment">//</span>
<a name="l00052"></a>00052 <span class="comment">//</span>
<a name="l00053"></a>00053 <span class="comment">// History</span>
<a name="l00054"></a>00054 <span class="comment">// 2012.03.29 bperrybap - can now eliminate enable pin in constructor for two wire mode.</span>
<a name="l00055"></a>00055 <span class="comment">// 2011.10.29 fmalpartida - adaption of the library to the LCD class hierarchy.</span>
<a name="l00056"></a>00056 <span class="comment">// 2011.07.02 Fixed a minor flaw in setCursor function. No functional change, </span>
<a name="l00057"></a>00057 <span class="comment">// just a bit more memory efficient.</span>
<a name="l00058"></a>00058 <span class="comment">// Thanks to CapnBry (from google code and github) who noticed it.</span>
<a name="l00059"></a>00059 <span class="comment">// URL to his version of shiftregLCD:</span>
<a name="l00060"></a>00060 <span class="comment">// https://github.com/CapnBry/HeaterMeter/commit/c6beba1b46b092ab0b33bcbd0a30a201fd1f28c1</span>
<a name="l00061"></a>00061 <span class="comment">// 2009.07.30 raron - minor corrections to the comments.</span>
<a name="l00062"></a>00062 <span class="comment">// Fixed timing to datasheet safe. Fixed keyword highlights.</span>
<a name="l00063"></a>00063 <span class="comment">// 2009.07.28 Mircho / raron - a new modification to the schematics, and a</span>
<a name="l00064"></a>00064 <span class="comment">// more streamlined interface</span>
<a name="l00065"></a>00065 <span class="comment">// 2009.07.27 Thanks to an excellent suggestion from mircho at the Arduiono </span>
<a name="l00066"></a>00066 <span class="comment">// playgrond forum, the number of wires now required is only two!</span>
<a name="l00067"></a>00067 <span class="comment">// 2009.07.25 raron - Fixed comments. I really messed up the comments before </span>
<a name="l00068"></a>00068 <span class="comment">// posting this, so I had to fix it.</span>
<a name="l00069"></a>00069 <span class="comment">// Renamed a function, but no improvements or functional changes.</span>
<a name="l00070"></a>00070 <span class="comment">// 2009.07.23 Incorporated some proper initialization routines</span>
<a name="l00071"></a>00071 <span class="comment">// inspired (lets say copy-paste-tweaked) from LiquidCrystal</span>
<a name="l00072"></a>00072 <span class="comment">// library improvements from LadyAda.</span>
<a name="l00073"></a>00073 <span class="comment">// 2009.05.23 raron - first version, but based mostly (as in almost verbatim)</span>
<a name="l00074"></a>00074 <span class="comment">// on the &quot;official&quot; LiquidCrystal library.</span>
<a name="l00075"></a>00075 <span class="comment">//</span>
<a name="l00076"></a>00076 <span class="comment">//</span>
<a name="l00077"></a>00077 <span class="comment">//</span>
<a name="l00078"></a>00078 <span class="comment">// @author F. Malpartida - fmalpartida@gmail.com</span>
<a name="l00079"></a>00079 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00080"></a>00080 <span class="preprocessor">#ifndef _LIQUIDCRYSTAL_SR_</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span><span class="preprocessor">#define _LIQUIDCRYSTAL_SR_</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span>
<a name="l00083"></a>00083 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00084"></a>00084 <span class="preprocessor">#include &quot;<a class="code" href="_l_c_d_8h.html">LCD.h</a>&quot;</span>
<a name="l00085"></a>00085 <span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
<a name="l00086"></a>00086
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="comment">// two-wire indicator constant</span>
<a name="l00089"></a>00089 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00090"></a><a class="code" href="_liquid_crystal___s_r_8h.html#a40fb1f76bc5f8ca9e6534b47bd6da27c">00090</a> <span class="preprocessor">#define TWO_WIRE 204</span>
<a name="l00091"></a><a class="code" href="_liquid_crystal___s_r_8h.html#afdaa2bbb2cc185700864ac8d7a570ced">00091</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_RS_BIT 0x04</span>
<a name="l00092"></a><a class="code" href="_liquid_crystal___s_r_8h.html#a0075b041d82abb47f279dce482e7b087">00092</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_EN_BIT 0x80</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span>
<a name="l00094"></a><a class="code" href="class_liquid_crystal___s_r.html">00094</a> <span class="keyword">class </span><a class="code" href="class_liquid_crystal___s_r.html">LiquidCrystal_SR</a> : <span class="keyword">public</span> <a class="code" href="class_l_c_d.html">LCD</a>
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <span class="keyword">public</span>:
<a name="l00108"></a>00108 <a class="code" href="class_liquid_crystal___s_r.html#ac3fe0b48f8d4c1c941d82d1333495cfc">LiquidCrystal_SR</a> ( uint8_t srdata, uint8_t srclock, uint8_t enable=<a class="code" href="_liquid_crystal___s_r_8h.html#a40fb1f76bc5f8ca9e6534b47bd6da27c">TWO_WIRE</a> );
<a name="l00109"></a>00109
<a name="l00122"></a>00122 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r.html#a03821351a32db07cb7e42c8c11ce8d47">send</a>(uint8_t value, uint8_t mode);
<a name="l00123"></a>00123
<a name="l00124"></a>00124
<a name="l00134"></a>00134 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">setBacklightPin</a> ( uint8_t pin, <a class="code" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol );
<a name="l00135"></a>00135
<a name="l00145"></a>00145 <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r.html#ad9f3e3f36257984c23fb508973e14535">setBacklight</a> ( uint8_t mode );
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keyword">private</span>:
<a name="l00148"></a>00148
<a name="l00154"></a>00154 <span class="keywordtype">void</span> init ( uint8_t srdata, uint8_t srclock, uint8_t enable, uint8_t lines,
<a name="l00155"></a>00155 uint8_t font );
<a name="l00156"></a>00156
<a name="l00161"></a>00161 <span class="keywordtype">void</span> shiftIt (uint8_t val);
<a name="l00162"></a>00162
<a name="l00163"></a>00163 uint8_t _enable_pin; <span class="comment">// Enable Pin</span>
<a name="l00164"></a>00164 uint8_t _two_wire; <span class="comment">// two wire mode</span>
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _srDataRegister; <span class="comment">// Serial Data pin</span>
<a name="l00167"></a>00167 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _srDataBit;
<a name="l00168"></a>00168 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _srClockRegister; <span class="comment">// Clock Pin</span>
<a name="l00169"></a>00169 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _srClockBit;
<a name="l00170"></a>00170 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _srEnableRegister; <span class="comment">// Enable Pin</span>
<a name="l00171"></a>00171 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _srEnableBit;
<a name="l00172"></a>00172
<a name="l00173"></a>00173 };
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="preprocessor">#endif</span>
<a name="l00176"></a>00176 <span class="preprocessor"></span>
</pre></div></div>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="textblock"><code>#include &lt;stdio.h&gt;</code><br/>
<code>#include &lt;string.h&gt;</code><br/>
<code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &lt;WProgram.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>&quot;</code><br/>
<code>#include &quot;<a class="el" href="_liquid_crystal___s_r___l_c_d3_8h_source.html">LiquidCrystal_SR_LCD3.h</a>&quot;</code><br/>
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<p><a href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html">Go to the source code of this file.</a></p>
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<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp.html#afdaa2bbb2cc185700864ac8d7a570ced">SR_RS_BIT</a>&#160;&#160;&#160;B01000000</td></tr>
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<hr/><h2>Define Documentation</h2>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html#l00167">167</a> of file <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html">LiquidCrystal_SR_LCD3.cpp</a>.</p>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html#l00169">169</a> of file <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html">LiquidCrystal_SR_LCD3.cpp</a>.</p>
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<p>Definition at line <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html#l00168">168</a> of file <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html">LiquidCrystal_SR_LCD3.cpp</a>.</p>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<a href="_liquid_crystal___s_r___l_c_d3_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Originally Created by Francisco Malpartida on 2011/08/20.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This software is furnished &quot;as is&quot;, without technical support, and with no </span>
<a name="l00007"></a>00007 <span class="comment">// warranty, express or implied, as to its usefulness for any purpose.</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// 2012/01/21 - Marc MERLIN</span>
<a name="l00010"></a>00010 <span class="comment">// This library, LiquidCrystal_SR_LCD3, was forked off LiquidCrystal_SR which</span>
<a name="l00011"></a>00011 <span class="comment">// used a different wiring than the Pebble and Pebblev2 (just released by</span>
<a name="l00012"></a>00012 <span class="comment">// freetronics in the arduino miniconf as part of linux.conf.au 2012) and</span>
<a name="l00013"></a>00013 <span class="comment">// therefore this code organizes the output data differently.</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015 <span class="comment">// Upstream source for this module is</span>
<a name="l00016"></a>00016 <span class="comment">// https://github.com/marcmerlin/NewLiquidCrystal</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// Thread Safe: No</span>
<a name="l00019"></a>00019 <span class="comment">// Extendable: Yes</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// @file LiquidCrystal_SR_LCD3.h</span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// Connects an LCD using 3 pins from the Arduino, via an 8-bit </span>
<a name="l00024"></a>00024 <span class="comment">// ShiftRegister (SR from now on).</span>
<a name="l00025"></a>00025 <span class="comment">// The original port source for this module is https://github.com/marcmerlin/NewLiquidCrystal</span>
<a name="l00026"></a>00026 <span class="comment">// The &#39;FastIO&#39; merge has madethis code 4 times faster.</span>
<a name="l00027"></a>00027 <span class="comment">// </span>
<a name="l00028"></a>00028 <span class="comment">// @brief </span>
<a name="l00029"></a>00029 <span class="comment">// This is a port of the ShiftRegLCD library from raron and ported to the</span>
<a name="l00030"></a>00030 <span class="comment">// LCD library.</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00032"></a>00032 <span class="comment">// The functionality provided by this class and its base class is identical</span>
<a name="l00033"></a>00033 <span class="comment">// to the original functionality of the Arduino LiquidCrystal library and can</span>
<a name="l00034"></a>00034 <span class="comment">// be used as such.</span>
<a name="l00035"></a>00035 <span class="comment">//</span>
<a name="l00036"></a>00036 <span class="comment">// Pinout for this code is used by derivatives of the original LCD3Wire page:</span>
<a name="l00037"></a>00037 <span class="comment">// http://www.arduino.cc/playground/Code/LCD3wires</span>
<a name="l00038"></a>00038 <span class="comment">//</span>
<a name="l00039"></a>00039 <span class="comment">// This includes the LCA (linux.conf.au) Arduino Miniconf Pebble: </span>
<a name="l00040"></a>00040 <span class="comment">// http://shieldlist.org/luke-weston/pebble</span>
<a name="l00041"></a>00041 <span class="comment">// https://github.com/lukeweston/Pebble</span>
<a name="l00042"></a>00042 <span class="comment">//</span>
<a name="l00043"></a>00043 <span class="comment">// It also includes the Pebble v2:</span>
<a name="l00044"></a>00044 <span class="comment">// http://www.arduinominiconf.org/index.php/Pebble_V2.0_Instructions</span>
<a name="l00045"></a>00045 <span class="comment">// http://www.freetronics.com/pages/pebble-v2</span>
<a name="l00046"></a>00046 <span class="comment">// https://github.com/lukeweston/pebble20/blob/master/README.md</span>
<a name="l00047"></a>00047 <span class="comment">// https://github.com/lukeweston/pebble20/blob/master/pebble-sch.pdf</span>
<a name="l00048"></a>00048 <span class="comment">//</span>
<a name="l00049"></a>00049 <span class="comment">// Shiftregister connection description:</span>
<a name="l00050"></a>00050 <span class="comment">// MC14094 input: Arduino digital pin 2=Clock, pin 3=Data, pin 4=Strobe</span>
<a name="l00051"></a>00051 <span class="comment">// MC14094 output: Q8=DB4, Q7=DB5, Q6=DB6, Q5=DB7, Q4=E, Q3=RW, Q2=RS, Q1=None</span>
<a name="l00052"></a>00052 <span class="comment">//</span>
<a name="l00053"></a>00053 <span class="comment">// +--------------------------------------------+</span>
<a name="l00054"></a>00054 <span class="comment">// | Arduino (ATMega 168 or 328) |</span>
<a name="l00055"></a>00055 <span class="comment">// | D02 D03 D04 |</span>
<a name="l00056"></a>00056 <span class="comment">// +----+-------------+-------------+-----------+</span>
<a name="l00057"></a>00057 <span class="comment">// |4 |5 |6</span>
<a name="l00058"></a>00058 <span class="comment">// |1 |2 |3</span>
<a name="l00059"></a>00059 <span class="comment">// +----+-------------+-------------+-----------+</span>
<a name="l00060"></a>00060 <span class="comment">// | Strobe Data Clock |</span>
<a name="l00061"></a>00061 <span class="comment">// | MC14094 8-bit shift/latch register |</span>
<a name="l00062"></a>00062 <span class="comment">// | Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 |</span>
<a name="l00063"></a>00063 <span class="comment">// +----+----+----+----+----+----+----+----+----+</span>
<a name="l00064"></a>00064 <span class="comment">// |11 |12 |13 |14 |7 |6 |5 |4</span>
<a name="l00065"></a>00065 <span class="comment">// |11 |12 |13 |14 |6 |5 |4</span>
<a name="l00066"></a>00066 <span class="comment">// +----+----+----+----+----+----+----+---------+</span>
<a name="l00067"></a>00067 <span class="comment">// | DB4 DB5 DB6 DB7 E RW RS |</span>
<a name="l00068"></a>00068 <span class="comment">// | LCD KS0066 |</span>
<a name="l00069"></a>00069 <span class="comment">// +--------------------------------------------+</span>
<a name="l00070"></a>00070 <span class="comment">//</span>
<a name="l00071"></a>00071 <span class="comment">// 3 Pins required from the Arduino for Data, Clock, and Enable/Strobe.</span>
<a name="l00072"></a>00072 <span class="comment">//</span>
<a name="l00073"></a>00073 <span class="comment">// This code was inspired from LiquidCrystal_SR from</span>
<a name="l00074"></a>00074 <span class="comment">// http://code.google.com/p/arduinoshiftreglcd/</span>
<a name="l00075"></a>00075 <span class="comment">// but was written for implementing LiquidCrystal support for the Pebble</span>
<a name="l00076"></a>00076 <span class="comment">// and Pebblev2 (see below).</span>
<a name="l00077"></a>00077 <span class="comment">// The Pebbles&#39;s LCD and shift register wiring were inspired from this</span>
<a name="l00078"></a>00078 <span class="comment">// original page:</span>
<a name="l00079"></a>00079 <span class="comment">// http://www.arduino.cc/playground/Code/LCD3wires</span>
<a name="l00080"></a>00080 <span class="comment">// </span>
<a name="l00081"></a>00081 <span class="comment">// Pebbles and the LCD3Wires design are compatible hardware-wise, but</span>
<a name="l00082"></a>00082 <span class="comment">// the LCD3Wire code does not work with arduino 1.0 anymore and is generally</span>
<a name="l00083"></a>00083 <span class="comment">// quite limited in functionality compared to this framework that provides the</span>
<a name="l00084"></a>00084 <span class="comment">// entire LiquidDisplay functionality.</span>
<a name="l00085"></a>00085 <span class="comment">// Why not just use the LiquidCrystal_SR pinout?</span>
<a name="l00086"></a>00086 <span class="comment">// - LCD3Wire was first and therefore have hardware that was designed with </span>
<a name="l00087"></a>00087 <span class="comment">// incompatible (IMO better if you don&#39;t mind 3 wires) pinout.</span>
<a name="l00088"></a>00088 <span class="comment">// - The pinout used here is same saner (the 4 bits for the LCD are all in one </span>
<a name="l00089"></a>00089 <span class="comment">// nibble of the shift register, not spread across 2 like in the</span>
<a name="l00090"></a>00090 <span class="comment">// LiquidCrystal_SR pinout)</span>
<a name="l00091"></a>00091 <span class="comment">//</span>
<a name="l00092"></a>00092 <span class="comment">// Note however that LiquidCrystal_SR while a bit more complex wiring and code</span>
<a name="l00093"></a>00093 <span class="comment">// wise, supports non latching shift registers and it a few percent faster than</span>
<a name="l00094"></a>00094 <span class="comment">// this code since it can address the LCD enable pin without having to send </span>
<a name="l00095"></a>00095 <span class="comment">// a pulse through the shift register like the LCD3Wires setup requires.</span>
<a name="l00096"></a>00096 <span class="comment">// </span>
<a name="l00097"></a>00097 <span class="comment">// This code makes sure to properly follow the specifications when talking</span>
<a name="l00098"></a>00098 <span class="comment">// to the LCD while using minimal delays (it&#39;s faster than the LCD3wire and aiko</span>
<a name="l00099"></a>00099 <span class="comment">// pebble code).</span>
<a name="l00100"></a>00100 <span class="comment">//</span>
<a name="l00101"></a>00101 <span class="comment">// @author Marc MERLIN - marc_soft&lt;at&gt;merlins.org.</span>
<a name="l00102"></a>00102 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00103"></a>00103 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00104"></a>00104 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00105"></a>00105 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="preprocessor">#if (ARDUINO &lt; 100)</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span><span class="preprocessor">#include &lt;WProgram.h&gt;</span>
<a name="l00109"></a>00109 <span class="preprocessor">#else</span>
<a name="l00110"></a>00110 <span class="preprocessor"></span><span class="preprocessor">#include &lt;Arduino.h&gt;</span>
<a name="l00111"></a>00111 <span class="preprocessor">#endif</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span><span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
<a name="l00113"></a>00113 <span class="preprocessor">#include &quot;<a class="code" href="_liquid_crystal___s_r___l_c_d3_8h.html">LiquidCrystal_SR_LCD3.h</a>&quot;</span>
<a name="l00114"></a>00114
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="comment">// STATIC helper functions</span>
<a name="l00117"></a>00117 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00118"></a>00118
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="comment">// CONSTRUCTORS</span>
<a name="l00121"></a>00121 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00122"></a>00122 <span class="comment">// Assuming 1 line 8 pixel high font</span>
<a name="l00123"></a><a class="code" href="class_liquid_crystal___s_r___l_c_d3.html#a2cd0629853dd8a5569799fa998f3d29f">00123</a> <a class="code" href="class_liquid_crystal___s_r___l_c_d3.html#a2cd0629853dd8a5569799fa998f3d29f">LiquidCrystal_SR_LCD3::LiquidCrystal_SR_LCD3</a> ( uint8_t srdata, uint8_t srclock,
<a name="l00124"></a>00124 uint8_t strobe )
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 init ( srdata, srclock, strobe, 1, 0 );
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="comment">// PRIVATE METHODS</span>
<a name="l00131"></a>00131 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="comment">//</span>
<a name="l00134"></a>00134 <span class="comment">// init</span>
<a name="l00135"></a>00135 <span class="keywordtype">void</span> LiquidCrystal_SR_LCD3::init( uint8_t srdata, uint8_t srclock, uint8_t strobe,
<a name="l00136"></a>00136 uint8_t lines, uint8_t font )
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="comment">// Initialise private variables</span>
<a name="l00139"></a>00139 <span class="comment">// translate all pins to bits and registers</span>
<a name="l00140"></a>00140 <span class="comment">// pinMode to OUTPUT, Output LOW</span>
<a name="l00141"></a>00141
<a name="l00142"></a>00142 _srdata_bit = <a class="code" href="_fast_i_o_8cpp.html#abe64155b836ffa8a137eb17d17995f84">fio_pinToBit</a>(srdata);
<a name="l00143"></a>00143 _srdata_register = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(srdata);
<a name="l00144"></a>00144 _srclock_bit = <a class="code" href="_fast_i_o_8cpp.html#abe64155b836ffa8a137eb17d17995f84">fio_pinToBit</a>(srclock);
<a name="l00145"></a>00145 _srclock_register = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(srclock);
<a name="l00146"></a>00146 _strobe_bit = <a class="code" href="_fast_i_o_8cpp.html#abe64155b836ffa8a137eb17d17995f84">fio_pinToBit</a>(strobe);
<a name="l00147"></a>00147 _strobe_register = <a class="code" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">fio_pinToOutputRegister</a>(strobe);
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="comment">// Little trick to force a pulse of the LCD enable bit and make sure it is</span>
<a name="l00150"></a>00150 <span class="comment">// low before we start further writes since this is assumed.</span>
<a name="l00151"></a>00151
<a name="l00152"></a>00152 write4bits(0);
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <a class="code" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a> = <a class="code" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD_4BITMODE</a> | <a class="code" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD_1LINE</a> | <a class="code" href="_l_c_d_8h.html#abb3210156d88d3fe18c9352eb161fe42">LCD_5x10DOTS</a>;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="comment">// PUBLIC METHODS</span>
<a name="l00158"></a>00158 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00159"></a>00159
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="comment">/************ low level data pushing commands **********/</span>
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="comment">// Code below was borrowed from LCD3Wire from</span>
<a name="l00164"></a>00164 <span class="comment">// http://www.arduino.cc/playground/Code/LCD3wires</span>
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">// bitmasks for control bits on shift register</span>
<a name="l00167"></a><a class="code" href="_liquid_crystal___s_r___l_c_d3_8cpp.html#a0075b041d82abb47f279dce482e7b087">00167</a> <span class="preprocessor">#define SR_EN_BIT B00010000 // LCD Data enable bit.</span>
<a name="l00168"></a><a class="code" href="_liquid_crystal___s_r___l_c_d3_8cpp.html#ae0e1fe92420ef667b9830efeb059c853">00168</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_RW_BIT B00100000 // RW can be pinned low since we only send</span>
<a name="l00169"></a><a class="code" href="_liquid_crystal___s_r___l_c_d3_8cpp.html#afdaa2bbb2cc185700864ac8d7a570ced">00169</a> <span class="preprocessor"></span><span class="preprocessor">#define SR_RS_BIT B01000000 // LOW: command. HIGH: character.</span>
<a name="l00170"></a>00170 <span class="preprocessor"></span>
<a name="l00171"></a><a class="code" href="class_liquid_crystal___s_r___l_c_d3.html#a01e75d76d80e218a5bdc28f8ce22b0e4">00171</a> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r___l_c_d3.html#a01e75d76d80e218a5bdc28f8ce22b0e4">LiquidCrystal_SR_LCD3::send</a>(uint8_t value, uint8_t mode)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 uint8_t nibble;
<a name="l00174"></a>00174
<a name="l00175"></a>00175 mode = mode ? <a class="code" href="_liquid_crystal___s_r___l_c_d3_8cpp.html#afdaa2bbb2cc185700864ac8d7a570ced">SR_RS_BIT</a> : 0; <span class="comment">// RS bit; LOW: command. HIGH: character.</span>
<a name="l00176"></a>00176
<a name="l00177"></a>00177 nibble = value &gt;&gt; 4; <span class="comment">// Get high nibble.</span>
<a name="l00178"></a>00178 write4bits(nibble | mode);
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="comment">//delay(1); // This was in the LCD3 code but does not seem needed -- merlin</span>
<a name="l00181"></a>00181
<a name="l00182"></a>00182 nibble = value &amp; 15; <span class="comment">// Get low nibble</span>
<a name="l00183"></a>00183 write4bits(nibble | mode);
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="keywordtype">void</span> LiquidCrystal_SR_LCD3::write4bits(uint8_t nibble)
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 nibble &amp;= ~<a class="code" href="_liquid_crystal___s_r___l_c_d3_8cpp.html#ae0e1fe92420ef667b9830efeb059c853">SR_RW_BIT</a>; <span class="comment">// set RW LOW (we do this always since we only write).</span>
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="comment">// Send a High transition to display the data that was pushed</span>
<a name="l00191"></a>00191 nibble |= <a class="code" href="_liquid_crystal___s_r___l_c_d3_8cpp.html#a0075b041d82abb47f279dce482e7b087">SR_EN_BIT</a>; <span class="comment">// LCD Data Enable HIGH</span>
<a name="l00192"></a>00192 _pushOut(nibble);
<a name="l00193"></a>00193 nibble &amp;= ~<a class="code" href="_liquid_crystal___s_r___l_c_d3_8cpp.html#a0075b041d82abb47f279dce482e7b087">SR_EN_BIT</a>; <span class="comment">// LCD Data Enable LOW</span>
<a name="l00194"></a>00194 _pushOut(nibble);
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="comment">// push byte to shift register and on to LCD</span>
<a name="l00198"></a>00198 <span class="keywordtype">void</span> LiquidCrystal_SR_LCD3::_pushOut(uint8_t nibble)
<a name="l00199"></a>00199 {
<a name="l00200"></a>00200 <span class="comment">// Make data available for pushing to the LCD.</span>
<a name="l00201"></a>00201 <a class="code" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">fio_shiftOut</a>(_srdata_register, _srdata_bit, _srclock_register, _srclock_bit, nibble, LSBFIRST);
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="comment">// Make new data active.</span>
<a name="l00204"></a>00204 <a class="code" href="_fast_i_o_8h.html#ad2374bbbb11bdb9abeeec0db769afd30">ATOMIC_BLOCK</a>(<a class="code" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">ATOMIC_RESTORESTATE</a>)
<a name="l00205"></a>00205 {
<a name="l00206"></a>00206 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(_strobe_register, _strobe_bit);
<a name="l00207"></a>00207 <a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a>( 1 ); <span class="comment">// strobe pulse must be &gt;450ns (old code had 10ms)</span>
<a name="l00208"></a>00208 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(_strobe_register, _strobe_bit,LOW);
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210 <a class="code" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">waitUsec</a>( 40 ); <span class="comment">// commands need &gt; 37us to settle</span>
<a name="l00211"></a>00211 }
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<div class="textblock"><code>#include &lt;inttypes.h&gt;</code><br/>
<code>#include &quot;<a class="el" href="_l_c_d_8h_source.html">LCD.h</a>&quot;</code><br/>
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<a href="_liquid_crystal___s_r___l_c_d3_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">// Created by Francisco Malpartida on 20/08/11.</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright 2011 - Under creative commons license 3.0:</span>
<a name="l00004"></a>00004 <span class="comment">// Attribution-ShareAlike CC BY-SA</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// This module is a port by Marc MERLIN &lt;marc_soft&lt;at&gt;merlins.org&gt;</span>
<a name="l00007"></a>00007 <span class="comment">// See .cpp file for hardware details.</span>
<a name="l00008"></a>00008 <span class="comment">// ---------------------------------------------------------------------------</span>
<a name="l00009"></a>00009 <span class="preprocessor">#ifndef _LIQUIDCRYSTAL_SR_LCD3_</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define _LIQUIDCRYSTAL_SR_LCD3_</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include &quot;<a class="code" href="_l_c_d_8h.html">LCD.h</a>&quot;</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015
<a name="l00016"></a><a class="code" href="class_liquid_crystal___s_r___l_c_d3.html">00016</a> <span class="keyword">class </span><a class="code" href="class_liquid_crystal___s_r___l_c_d3.html">LiquidCrystal_SR_LCD3</a> : <span class="keyword">public</span> <a class="code" href="class_l_c_d.html">LCD</a>
<a name="l00017"></a>00017 {
<a name="l00018"></a>00018 <span class="keyword">public</span>:
<a name="l00030"></a>00030 <a class="code" href="class_liquid_crystal___s_r___l_c_d3.html#a2cd0629853dd8a5569799fa998f3d29f">LiquidCrystal_SR_LCD3</a> ( uint8_t srdata, uint8_t srclock, uint8_t enable );
<a name="l00031"></a>00031
<a name="l00044"></a>00044 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_liquid_crystal___s_r___l_c_d3.html#a01e75d76d80e218a5bdc28f8ce22b0e4">send</a>(uint8_t value, uint8_t mode);
<a name="l00045"></a>00045
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">private</span>:
<a name="l00048"></a>00048
<a name="l00054"></a>00054 <span class="keywordtype">void</span> init ( uint8_t srdata, uint8_t srclock, uint8_t enable, uint8_t lines,
<a name="l00055"></a>00055 uint8_t font );
<a name="l00061"></a>00061 <span class="keywordtype">void</span> write4bits ( uint8_t );
<a name="l00062"></a>00062 <span class="keywordtype">void</span> _pushOut ( uint8_t );
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="comment">// Serial Data pin</span>
<a name="l00065"></a>00065 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _srdata_bit;
<a name="l00066"></a>00066 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _srdata_register;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">// Clock Pin</span>
<a name="l00069"></a>00069 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _srclock_bit;
<a name="l00070"></a>00070 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _srclock_register;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="comment">// Enable Pin</span>
<a name="l00073"></a>00073 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> _strobe_bit;
<a name="l00074"></a>00074 <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> _strobe_register;
<a name="l00075"></a>00075 };
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="preprocessor">#endif</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span>
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This is the complete list of members for <a class="el" href="class_i2_c_i_o.html">I2CIO</a>, including all inherited members.<table>
<tr class="memlist"><td><a class="el" href="class_i2_c_i_o.html#a6f814653d903dc2ff6e8420eeb7954ae">begin</a>(uint8_t i2cAddr)</td><td><a class="el" href="class_i2_c_i_o.html">I2CIO</a></td><td></td></tr>
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<tr class="memlist"><td><a class="el" href="class_i2_c_i_o.html#a53b94274eb6bb68564cf5243323db887">pinMode</a>(uint8_t pin, uint8_t dir)</td><td><a class="el" href="class_i2_c_i_o.html">I2CIO</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_i2_c_i_o.html#a0341888753bc54c4384f5593a870fb34">portMode</a>(uint8_t dir)</td><td><a class="el" href="class_i2_c_i_o.html">I2CIO</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_i2_c_i_o.html#a7a3db7bfc15ede0ae9e8c8bd44290ef7">read</a>(void)</td><td><a class="el" href="class_i2_c_i_o.html">I2CIO</a></td><td></td></tr>
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<div class="title">I2CIO Class Reference</div> </div>
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<!-- doxytag: class="I2CIO" -->
<p><code>#include &lt;<a class="el" href="_i2_c_i_o_8h_source.html">I2CIO.h</a>&gt;</code></p>
<p><a href="class_i2_c_i_o-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_i_o.html#a6f814653d903dc2ff6e8420eeb7954ae">begin</a> (uint8_t i2cAddr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_i_o.html#ac26221011a8b49bcea9ef62712ea88a7">digitalRead</a> (uint8_t pin)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_i_o.html#a473206162522b847546777d16a7c6dcd">digitalWrite</a> (uint8_t pin, uint8_t level)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_i_o.html#a32eb7832075ad6011d67874405a0d0a6">I2CIO</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_i_o.html#a53b94274eb6bb68564cf5243323db887">pinMode</a> (uint8_t pin, uint8_t dir)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_i_o.html#a0341888753bc54c4384f5593a870fb34">portMode</a> (uint8_t dir)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_i_o.html#a7a3db7bfc15ede0ae9e8c8bd44290ef7">read</a> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">write</a> (uint8_t value)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="_i2_c_i_o_8h_source.html#l00041">41</a> of file <a class="el" href="_i2_c_i_o_8h_source.html">I2CIO.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a32eb7832075ad6011d67874405a0d0a6"></a><!-- doxytag: member="I2CIO::I2CIO" ref="a32eb7832075ad6011d67874405a0d0a6" args="()" -->
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<div class="memproto">
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<td class="memname">I2CIO::I2CIO </td>
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<td class="paramname"></td><td>)</td>
<td></td>
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<p>Constructor method Class constructor constructor. </p>
<p>Definition at line <a class="el" href="_i2_c_i_o_8cpp_source.html#l00044">44</a> of file <a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a>.</p>
</div>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a6f814653d903dc2ff6e8420eeb7954ae"></a><!-- doxytag: member="I2CIO::begin" ref="a6f814653d903dc2ff6e8420eeb7954ae" args="(uint8_t i2cAddr)" -->
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<td class="memname">int I2CIO::begin </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>i2cAddr</em></td><td>)</td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>Initializes the device. This method initializes the device allocating an I2C address. This method is the first method that should be call prior to calling any other method form this class. On initialization all pins are configured as INPUT on the device.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">i2cAddr,:</td><td>I2C Address where the device is located. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>1 if the device was initialized correctly, 0 otherwise </dd></dl>
<p>Definition at line <a class="el" href="_i2_c_i_o_8cpp_source.html#l00057">57</a> of file <a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="ac26221011a8b49bcea9ef62712ea88a7"></a><!-- doxytag: member="I2CIO::digitalRead" ref="ac26221011a8b49bcea9ef62712ea88a7" args="(uint8_t pin)" -->
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<td class="memname">uint8_t I2CIO::digitalRead </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Read a pin from the device. Reads a particular pin from the device. To read a particular pin it has to be configured as INPUT. During initialization all pins are configured as INPUTs by default. Please refer to pinMode or portMode.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>Pin from the port to read its status. Range (0..7) </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Returns the pin status (HIGH, LOW) if the pin is configured as an output, reading its value will always return LOW regardless of its real state. </dd></dl>
<p>Definition at line <a class="el" href="_i2_c_i_o_8cpp_source.html#l00153">153</a> of file <a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a473206162522b847546777d16a7c6dcd"></a><!-- doxytag: member="I2CIO::digitalWrite" ref="a473206162522b847546777d16a7c6dcd" args="(uint8_t pin, uint8_t level)" -->
<div class="memitem">
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<td class="memname">int I2CIO::digitalWrite </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>level</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<div class="memdoc">
<p>Writes a digital level to a particular pin. Write a level to the indicated pin of the device. For this method to have effect, the pin has to be configured as OUTPUT using the pinMode or portMode methods.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>device pin to change level. Range (0..7). level[in] logic level to set the pin at (HIGH, LOW). </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>1 on success, 0 otherwise. </dd></dl>
<p>Definition at line <a class="el" href="_i2_c_i_o_8cpp_source.html#l00170">170</a> of file <a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a53b94274eb6bb68564cf5243323db887"></a><!-- doxytag: member="I2CIO::pinMode" ref="a53b94274eb6bb68564cf5243323db887" args="(uint8_t pin, uint8_t dir)" -->
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<tr>
<td class="memname">void I2CIO::pinMode </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>dir</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the mode of a particular pin. Sets the mode of a particular pin to INPUT, OUTPUT. digitalWrite has no effect on pins which are not declared as output.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin[in]</td><td>Pin from the I2C IO expander to be configured. Range 0..7 </td></tr>
<tr><td class="paramname">dir[in]</td><td>Pin direction (INPUT, OUTPUT). </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_i2_c_i_o_8cpp_source.html#l00076">76</a> of file <a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a0341888753bc54c4384f5593a870fb34"></a><!-- doxytag: member="I2CIO::portMode" ref="a0341888753bc54c4384f5593a870fb34" args="(uint8_t dir)" -->
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<td class="memname">void I2CIO::portMode </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>dir</em></td><td>)</td>
<td></td>
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<p>Sets all the pins of the device in a particular direction. This method sets all the pins of the device in a particular direction. This method is useful to set all the pins of the device to be either inputs or outputs. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">dir[in]</td><td>Direction of all the pins of the device (INPUT, OUTPUT). </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_i2_c_i_o_8cpp_source.html#l00093">93</a> of file <a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a>.</p>
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<a class="anchor" id="a7a3db7bfc15ede0ae9e8c8bd44290ef7"></a><!-- doxytag: member="I2CIO::read" ref="a7a3db7bfc15ede0ae9e8c8bd44290ef7" args="(void)" -->
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<td class="memname">uint8_t I2CIO::read </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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<p>Reads all the pins of the device that are configured as INPUT. Reads from the device the status of the pins that are configured as INPUT. During initialization all pins are configured as INPUTs by default. Please refer to pinMode or portMode.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_i2_c_i_o_8cpp_source.html#l00111">111</a> of file <a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a>.</p>
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<div class="memitem">
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<td class="memname">int I2CIO::write </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td></td>
</tr>
</table>
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<div class="memdoc">
<p>Write a value to the device. Writes to a set of pins in the device. The value is the binary representation of all the pins in device. The value written is masked with the configuration of the direction of the pins; to change the state of a particular pin with this method, such pin has to be configured as OUTPUT using the portMode or pinMode methods. If no pins have been configured as OUTPUTs this method will have no effect.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value[in]</td><td>value to be written to the device. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>1 on success, 0 otherwise </dd></dl>
<p>Definition at line <a class="el" href="_i2_c_i_o_8cpp_source.html#l00130">130</a> of file <a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a>.</p>
</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_i2_c_i_o_8h_source.html">I2CIO.h</a></li>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_i2_c_i_o_8cpp_source.html">I2CIO.cpp</a></li>
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This is the complete list of members for <a class="el" href="class_l_c_d.html">LCD</a>, including all inherited members.<table>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, uint8_t charmap[])</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
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<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
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<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">setBacklight</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [inline, virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">setBacklightPin</a>(uint8_t value, t_backlighPol pol)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [inline, virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
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<p><code>#include &lt;<a class="el" href="_l_c_d_8h_source.html">LCD.h</a>&gt;</code></p>
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Inheritance diagram for LCD:</div>
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<p><a href="class_l_c_d-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">begin</a> (uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a> (uint8_t location, uint8_t charmap[])</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">noAutoscroll</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a> (void)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">setBacklight</a> (uint8_t value)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">setBacklightPin</a> (uint8_t value, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a> (uint8_t col, uint8_t row)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a> (uint8_t value)</td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00169">169</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a00bb2db1390721abc7b24ac4b8c276c8"></a><!-- doxytag: member="LCD::LCD" ref="a00bb2db1390721abc7b24ac4b8c276c8" args="()" -->
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<td class="memname">LCD::LCD </td>
<td>(</td>
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<p><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a> abstract constructor. <a class="el" href="class_liquid_crystal.html">LiquidCrystal</a> class abstract constructor needed to create the base abstract class. </p>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00049">49</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="abb3ed88d530f6283e6159b4973e7da9e"></a><!-- doxytag: member="LCD::autoscroll" ref="abb3ed88d530f6283e6159b4973e7da9e" args="()" -->
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<td class="memname">void LCD::autoscroll </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Turns on automatic scrolling of the <a class="el" href="class_l_c_d.html">LCD</a>. Turns on automatic scrolling of the <a class="el" href="class_l_c_d.html">LCD</a>. This causes each character output to the display to push previous characters over by one space. If the current text direction is left-to-right (the default), the display scrolls to the left; if the current direction is right-to-left, the display scrolls to the right. This has the effect of outputting each new character to the same location on the <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00271">271</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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</div>
<a class="anchor" id="aba8867fe2210cbfa8db869208709be10"></a><!-- doxytag: member="LCD::backlight" ref="aba8867fe2210cbfa8db869208709be10" args="(void)" -->
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<td class="memname">void LCD::backlight </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
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<p>Switch-on the <a class="el" href="class_l_c_d.html">LCD</a> backlight. Switch-on the <a class="el" href="class_l_c_d.html">LCD</a> backlight. The setBacklightPin has to be called before setting the backlight for this method to work. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">setBacklightPin</a>. </dd></dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00301">301</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a3f587d1cbb2d59765ef60a5216b56fea"></a><!-- doxytag: member="LCD::begin" ref="a3f587d1cbb2d59765ef60a5216b56fea" args="(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)" -->
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<td class="memname">void LCD::begin </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>cols</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rows</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>charsize</em> = <code>LCD_5x8DOTS</code>&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
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<p><a class="el" href="class_l_c_d.html">LCD</a> initialization. Initializes the <a class="el" href="class_l_c_d.html">LCD</a> to a given size (col, row). This methods initializes the <a class="el" href="class_l_c_d.html">LCD</a>, therefore, it MUST be called prior to using any other method from this class.</p>
<p>This method is abstract, a base implementation is available common to all <a class="el" href="class_l_c_d.html">LCD</a> drivers. Should it not be compatible with some other <a class="el" href="class_l_c_d.html">LCD</a> driver, a derived implementation should be done on the driver specif class.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">cols[in]</td><td>the number of columns that the display has </td></tr>
<tr><td class="paramname">rows[in]</td><td>the number of rows that the display has </td></tr>
<tr><td class="paramname">charsize[in]</td><td>character size, default==LCD_5x8DOTS </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented in <a class="el" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">LiquidCrystal_I2C</a>.</p>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00076">76</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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</div>
<a class="anchor" id="a878b36878fa8287093964eba83aace77"></a><!-- doxytag: member="LCD::blink" ref="a878b36878fa8287093964eba83aace77" args="()" -->
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<td class="memname">void LCD::blink </td>
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<p>Display the cursor of the <a class="el" href="class_l_c_d.html">LCD</a>. Display the blinking <a class="el" href="class_l_c_d.html">LCD</a> cursor. If used in combination with the <a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor()</a> function, the result will depend on the particular display.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00226">226</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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</div>
<a class="anchor" id="afa699e0beeeee03cce8cef87eba81c4a"></a><!-- doxytag: member="LCD::clear" ref="afa699e0beeeee03cce8cef87eba81c4a" args="()" -->
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<td class="memname">void LCD::clear </td>
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<p>Clears the <a class="el" href="class_l_c_d.html">LCD</a>. Clears the <a class="el" href="class_l_c_d.html">LCD</a> screen and positions the cursor in the upper-left corner.</p>
<p>This operation is time consuming for the <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00159">159</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a91cba8f93c692abcddf8bc3de58d2d3a"></a><!-- doxytag: member="LCD::createChar" ref="a91cba8f93c692abcddf8bc3de58d2d3a" args="(uint8_t location, uint8_t charmap[])" -->
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<td class="memname">void LCD::createChar </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>location</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>charmap</em>[]&#160;</td>
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<p>Creates a custom character for use on the <a class="el" href="class_l_c_d.html">LCD</a>. Create a custom character (glyph) for use on the <a class="el" href="class_l_c_d.html">LCD</a>. Most chipsets only support up to eight characters of 5x8 pixels. Therefore, this methods has been limited to locations (numbered 0 to 7).</p>
<p>The appearance of each custom character is specified by an array of eight bytes, one for each row. The five least significant bits of each byte determine the pixels in that row. To display a custom character on screen, <a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write()</a>/print() its number, i.e. lcd.print (char(x)); // Where x is 0..7.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">location[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> memory location of the character to create (0 to 7) </td></tr>
<tr><td class="paramname">charmap[in]</td><td>the bitmap array representing each row of the character. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00285">285</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a194814f64dfa50a90e07e0fe0d361620"></a><!-- doxytag: member="LCD::cursor" ref="a194814f64dfa50a90e07e0fe0d361620" args="()" -->
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<td class="memname">void LCD::cursor </td>
<td>(</td>
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<p>Display the <a class="el" href="class_l_c_d.html">LCD</a> cursor. Display the <a class="el" href="class_l_c_d.html">LCD</a> cursor: an underscore (line) at the location where the next character will be written.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
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</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00213">213</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a5b07cf05e8e5e7c53654f5ca0cf58b89"></a><!-- doxytag: member="LCD::display" ref="a5b07cf05e8e5e7c53654f5ca0cf58b89" args="()" -->
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<td class="memname">void LCD::display </td>
<td>(</td>
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<p>Turns on the <a class="el" href="class_l_c_d.html">LCD</a> display. Turns on the <a class="el" href="class_l_c_d.html">LCD</a> display, after it's been turned off with <a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay()</a>. This will restore the text (and cursor location) that was on the display prior to calling <a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay()</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00201">201</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="aee45ad37f09312f5d9982257e2d37e68"></a><!-- doxytag: member="LCD::home" ref="aee45ad37f09312f5d9982257e2d37e68" args="()" -->
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<td class="memname">void LCD::home </td>
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<p>Sets the cursor to the upper-left corner. Positions the cursor in the upper-left of the <a class="el" href="class_l_c_d.html">LCD</a>. That is, use that location in outputting subsequent text to the display. To also clear the display, use the <a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear()</a> function instead.</p>
<p>This operation is time consuming for the <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00165">165</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a238e9f6476dc7df64af04eb6c87f6ac7"></a><!-- doxytag: member="LCD::leftToRight" ref="a238e9f6476dc7df64af04eb6c87f6ac7" args="()" -->
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<td class="memname">void LCD::leftToRight </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Set the direction for text written to the <a class="el" href="class_l_c_d.html">LCD</a> to left-to-right. Set the direction for text written to the <a class="el" href="class_l_c_d.html">LCD</a> to left-to-right. All subsequent characters written to the display will go from left to right, but does not affect previously-output text.</p>
<p>This is the default configuration.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00244">244</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="aad2abc99d1aca5403873579d9d72c2d4"></a><!-- doxytag: member="LCD::moveCursorLeft" ref="aad2abc99d1aca5403873579d9d72c2d4" args="()" -->
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<td class="memname">void LCD::moveCursorLeft </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Moves the cursor one space to the left. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00264">264</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a09eec0c712e54b066f5894635c1fe75c"></a><!-- doxytag: member="LCD::moveCursorRight" ref="a09eec0c712e54b066f5894635c1fe75c" args="()" -->
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<td class="memname">void LCD::moveCursorRight </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Moves the cursor one space to the right.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00258">258</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a96035dde40efbf73390e00b5beb00231"></a><!-- doxytag: member="LCD::noAutoscroll" ref="a96035dde40efbf73390e00b5beb00231" args="()" -->
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<td class="memname">void LCD::noAutoscroll </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Turns off automatic scrolling of the <a class="el" href="class_l_c_d.html">LCD</a>. Turns off automatic scrolling of the <a class="el" href="class_l_c_d.html">LCD</a>, this is the default configuration of the <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00278">278</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a2a331b4e142734411b2f1cfaffe7a488"></a><!-- doxytag: member="LCD::noBacklight" ref="a2a331b4e142734411b2f1cfaffe7a488" args="(void)" -->
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<td class="memname">void LCD::noBacklight </td>
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<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Switch-off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. Switch-off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. The setBacklightPin has to be called before setting the backlight for this method to work. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">setBacklightPin</a>. </dd></dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00308">308</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a3b755c4b397b5985752be8c30ee1a9b5"></a><!-- doxytag: member="LCD::noBlink" ref="a3b755c4b397b5985752be8c30ee1a9b5" args="()" -->
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<td class="memname">void LCD::noBlink </td>
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<p>Turns off the blinking of the <a class="el" href="class_l_c_d.html">LCD</a> cursor.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00220">220</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="aec8ffaa1e69c7a6e13ac0cfbc29151d9"></a><!-- doxytag: member="LCD::noCursor" ref="aec8ffaa1e69c7a6e13ac0cfbc29151d9" args="()" -->
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<td class="memname">void LCD::noCursor </td>
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<p>Hides the <a class="el" href="class_l_c_d.html">LCD</a> cursor.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00208">208</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="af3974da6d988ba2d21c25135ada12108"></a><!-- doxytag: member="LCD::noDisplay" ref="af3974da6d988ba2d21c25135ada12108" args="()" -->
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<td class="memname">void LCD::noDisplay </td>
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<p>Turns off the <a class="el" href="class_l_c_d.html">LCD</a> display. Turns off the <a class="el" href="class_l_c_d.html">LCD</a> display, without losing the text currently being displayed on it.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00195">195</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a191639be183be1476c9bfe6d455d23b2"></a><!-- doxytag: member="LCD::off" ref="a191639be183be1476c9bfe6d455d23b2" args="(void)" -->
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<td class="memname">void LCD::off </td>
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<td class="paramtype">void&#160;</td>
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<p>Switch off the <a class="el" href="class_l_c_d.html">LCD</a> module. Switch off the <a class="el" href="class_l_c_d.html">LCD</a> module, it will switch off the <a class="el" href="class_l_c_d.html">LCD</a> controller and the backlight. This method has the same effect of calling noDisplay and noBacklight. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>, </dd>
<dd>
<a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a> </dd></dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00323">323</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a718da3a638deb59bd1c7a5222a52d98a"></a><!-- doxytag: member="LCD::on" ref="a718da3a638deb59bd1c7a5222a52d98a" args="(void)" -->
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<td class="memname">void LCD::on </td>
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<td class="paramtype">void&#160;</td>
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<p>Switch on the <a class="el" href="class_l_c_d.html">LCD</a> module. Switch on the <a class="el" href="class_l_c_d.html">LCD</a> module, it will switch on the <a class="el" href="class_l_c_d.html">LCD</a> controller and the backlight. This method has the same effect of calling display and backlight. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>, </dd>
<dd>
<a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a> </dd></dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00315">315</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="ac014830eadc26bfd86308ea8734f4428"></a><!-- doxytag: member="LCD::rightToLeft" ref="ac014830eadc26bfd86308ea8734f4428" args="()" -->
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<td class="memname">void LCD::rightToLeft </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Set the direction for text written to the <a class="el" href="class_l_c_d.html">LCD</a> to right-to-left. Set the direction for text written to the <a class="el" href="class_l_c_d.html">LCD</a> to right-to-left. All subsequent characters written to the display will go from right to left, but does not affect previously-output text.</p>
<p>left-to-right is the default configuration.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00251">251</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a6f3a503055b3b8dcf0f61b2633c584f7"></a><!-- doxytag: member="LCD::scrollDisplayLeft" ref="a6f3a503055b3b8dcf0f61b2633c584f7" args="()" -->
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<td class="memname">void LCD::scrollDisplayLeft </td>
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<td class="paramtype">void&#160;</td>
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<p>Scrolls the contents of the display (text and cursor) one space to the left.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00233">233</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="abfc44b294772f09020bfa32af8a79571"></a><!-- doxytag: member="LCD::scrollDisplayRight" ref="abfc44b294772f09020bfa32af8a79571" args="()" -->
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<td class="memname">void LCD::scrollDisplayRight </td>
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<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Scrolls the contents of the display (text and cursor) one space to the right.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">none</td><td></td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00238">238</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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<a class="anchor" id="a3305570d7b37eb93f2cf840263c15828"></a><!-- doxytag: member="LCD::setBacklight" ref="a3305570d7b37eb93f2cf840263c15828" args="(uint8_t value)" -->
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<td class="memname">virtual void LCD::setBacklight </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td><code> [inline, virtual]</code></td>
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<p>Sets the pin to control the backlight. Sets the pin in the device to control the backlight. The behaviour of this method is very dependent on the device. Some controllers support dimming some don't. Please read the actual header file for each individual device. The setBacklightPin method has to be called before setting the backlight or the adequate backlight control constructor. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">setBacklightPin</a>.</dd></dl>
<p>NOTE: The prefered methods to control the backlight are "backlight" and "noBacklight".</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">0..255</td><td>- the value is very dependent on the <a class="el" href="class_l_c_d.html">LCD</a>. However, BACKLIGHT_OFF will be interpreted as off and BACKLIGHT_ON will drive the backlight on. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented in <a class="el" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">LiquidCrystal</a>, <a class="el" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">LiquidCrystal_I2C</a>, <a class="el" href="class_liquid_crystal___s_r.html#ad9f3e3f36257984c23fb508973e14535">LiquidCrystal_SR</a>, <a class="el" href="class_liquid_crystal___s_r2_w.html#a2158db27287c1564a03e7a1472beb3b6">LiquidCrystal_SR2W</a>, and <a class="el" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">LiquidCrystal_SR3W</a>.</p>
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00463">463</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a53f4ee9b39d9ab3d7ae4d9f8dedca3bc"></a><!-- doxytag: member="LCD::setBacklightPin" ref="a53f4ee9b39d9ab3d7ae4d9f8dedca3bc" args="(uint8_t value, t_backlighPol pol)" -->
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<td class="memname">virtual void LCD::setBacklightPin </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
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<td>)</td>
<td></td><td><code> [inline, virtual]</code></td>
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<p>Sets the pin to control the backlight. Sets the pin in the device to control the backlight. This method is device dependent and can be programmed on each subclass. An empty function call is provided that does nothing.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value,:</td><td>pin associated to backlight control. </td></tr>
<tr><td class="paramname">pol,:</td><td>backlight polarity control (POSITIVE, NEGATIVE) </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented in <a class="el" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">LiquidCrystal</a>, <a class="el" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">LiquidCrystal_I2C</a>, <a class="el" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">LiquidCrystal_SR</a>, and <a class="el" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">LiquidCrystal_SR3W</a>.</p>
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00444">444</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
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<a class="anchor" id="a48220450fd152b25994eb7d0ba340e8d"></a><!-- doxytag: member="LCD::setCursor" ref="a48220450fd152b25994eb7d0ba340e8d" args="(uint8_t col, uint8_t row)" -->
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<td class="memname">void LCD::setCursor </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>col</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>row</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Position the <a class="el" href="class_l_c_d.html">LCD</a> cursor. Sets the position of the <a class="el" href="class_l_c_d.html">LCD</a> cursor. Set the location at which subsequent text written to the <a class="el" href="class_l_c_d.html">LCD</a> will be displayed.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">col[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> column </td></tr>
<tr><td class="paramname">row[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> row - line. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00171">171</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
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</div>
<a class="anchor" id="a2d89cc2e62f72afb5f15a7fd812900e3"></a><!-- doxytag: member="LCD::write" ref="a2d89cc2e62f72afb5f15a7fd812900e3" args="(uint8_t value)" -->
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<td class="memname">void LCD::write </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Writes to the <a class="el" href="class_l_c_d.html">LCD</a>. This method writes character to the <a class="el" href="class_l_c_d.html">LCD</a> in the current cursor position.</p>
<p>This is the virtual write method, implemented in the Print class, therefore all Print class methods will end up calling this method.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value[in]</td><td>Value to write to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_l_c_d_8cpp_source.html#l00337">337</a> of file <a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a>.</p>
</div>
</div>
<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a88b16ea0e5c7d1cabc5007d48bcbd2b0"></a><!-- doxytag: member="LCD::_cols" ref="a88b16ea0e5c7d1cabc5007d48bcbd2b0" args="" -->
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<td class="memname">uint8_t <a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">LCD::_cols</a><code> [protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00497">497</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
</div>
</div>
<a class="anchor" id="ae47a0e2eff74431a39774b788d5761f4"></a><!-- doxytag: member="LCD::_displaycontrol" ref="ae47a0e2eff74431a39774b788d5761f4" args="" -->
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<td class="memname">uint8_t <a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">LCD::_displaycontrol</a><code> [protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00493">493</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
</div>
</div>
<a class="anchor" id="aef093ba3f8e1016267b40ac235a0fa0f"></a><!-- doxytag: member="LCD::_displayfunction" ref="aef093ba3f8e1016267b40ac235a0fa0f" args="" -->
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<td class="memname">uint8_t <a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">LCD::_displayfunction</a><code> [protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00491">491</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
</div>
</div>
<a class="anchor" id="a726b9a68d091dd8683a18e83f3a8fd3c"></a><!-- doxytag: member="LCD::_displaymode" ref="a726b9a68d091dd8683a18e83f3a8fd3c" args="" -->
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<td class="memname">uint8_t <a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">LCD::_displaymode</a><code> [protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00495">495</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
</div>
</div>
<a class="anchor" id="ac1374911fb145fea430c21092ada0c06"></a><!-- doxytag: member="LCD::_numlines" ref="ac1374911fb145fea430c21092ada0c06" args="" -->
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<td class="memname">uint8_t <a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">LCD::_numlines</a><code> [protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00496">496</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
</div>
</div>
<a class="anchor" id="a990338759d2abe10b0fb1743b7789566"></a><!-- doxytag: member="LCD::_polarity" ref="a990338759d2abe10b0fb1743b7789566" args="" -->
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<td class="memname"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> <a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">LCD::_polarity</a><code> [protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_l_c_d_8h_source.html#l00498">498</a> of file <a class="el" href="_l_c_d_8h_source.html">LCD.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_l_c_d_8h_source.html">LCD.h</a></li>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_l_c_d_8cpp_source.html">LCD.cpp</a></li>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">LiquidCrystal Member List</div> </div>
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This is the complete list of members for <a class="el" href="class_liquid_crystal.html">LiquidCrystal</a>, including all inherited members.<table>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, uint8_t charmap[])</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a>(uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#a30e3d865c4b4a003a36cb45903f93644">LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#aff2330186495fde93370d46c0ca2cbf0">LiquidCrystal</a>(uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlightPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#ae0c3c8f7661634b1400f00a1c9c02c26">LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlightPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#a0a0a8dfa7a2e775a031fd65f5c6366ec">LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#a23124e6dd5ac4a9b6147629b96e91953">LiquidCrystal</a>(uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#a8b90122c67a6d14b967c8a11ba490670">LiquidCrystal</a>(uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t backlightPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#a52a4de3d866e347208a32dfc9d797729">LiquidCrystal</a>(uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t backlightPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">noAutoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#a56142f8b3753bedd133e4139e5eb5089">send</a>(uint8_t value, uint8_t mode)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">setBacklight</a>(uint8_t value)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a>(uint8_t pin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">LiquidCrystal Class Reference</div> </div>
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<!-- doxytag: class="LiquidCrystal" --><!-- doxytag: inherits="LCD" -->
<p><code>#include &lt;<a class="el" href="_liquid_crystal_8h_source.html">LiquidCrystal.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for LiquidCrystal:</div>
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<img src="class_liquid_crystal.png" usemap="#LiquidCrystal_map" alt=""/>
<map id="LiquidCrystal_map" name="LiquidCrystal_map">
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<p><a href="class_liquid_crystal-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#a49d2bd8d26031a1c83bcbd73978a1686">LiquidCrystal</a> (uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#a30e3d865c4b4a003a36cb45903f93644">LiquidCrystal</a> (uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#ae0c3c8f7661634b1400f00a1c9c02c26">LiquidCrystal</a> (uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlightPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#a52a4de3d866e347208a32dfc9d797729">LiquidCrystal</a> (uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t backlightPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#a0a0a8dfa7a2e775a031fd65f5c6366ec">LiquidCrystal</a> (uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#a8b90122c67a6d14b967c8a11ba490670">LiquidCrystal</a> (uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t backlightPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#a23124e6dd5ac4a9b6147629b96e91953">LiquidCrystal</a> (uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#aff2330186495fde93370d46c0ca2cbf0">LiquidCrystal</a> (uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlightPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#a56142f8b3753bedd133e4139e5eb5089">send</a> (uint8_t value, uint8_t mode)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">setBacklight</a> (uint8_t value)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a> (uint8_t pin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="_liquid_crystal_8h_source.html#l00044">44</a> of file <a class="el" href="_liquid_crystal_8h_source.html">LiquidCrystal.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a49d2bd8d26031a1c83bcbd73978a1686"></a><!-- doxytag: member="LiquidCrystal::LiquidCrystal" ref="a49d2bd8d26031a1c83bcbd73978a1686" args="(uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal::LiquidCrystal </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d0</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d3</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d4</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d5</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d6</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d7</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>8 bit <a class="el" href="class_l_c_d.html">LCD</a> constructors. Defines the pin assignment that the <a class="el" href="class_l_c_d.html">LCD</a> will have. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>. </p>
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00055">55</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a30e3d865c4b4a003a36cb45903f93644"></a><!-- doxytag: member="LiquidCrystal::LiquidCrystal" ref="a30e3d865c4b4a003a36cb45903f93644" args="(uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal::LiquidCrystal </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rw</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d0</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d1</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d2</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d3</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d4</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d5</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d6</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d7</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00062">62</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="aff2330186495fde93370d46c0ca2cbf0"></a><!-- doxytag: member="LiquidCrystal::LiquidCrystal" ref="aff2330186495fde93370d46c0ca2cbf0" args="(uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlightPin, t_backlighPol pol)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal::LiquidCrystal </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d0</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d3</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d4</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d5</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d6</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d7</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlightPin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00082">82</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="ae0c3c8f7661634b1400f00a1c9c02c26"></a><!-- doxytag: member="LiquidCrystal::LiquidCrystal" ref="ae0c3c8f7661634b1400f00a1c9c02c26" args="(uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlightPin, t_backlighPol pol)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal::LiquidCrystal </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rw</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
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<tr>
<td class="paramkey"></td>
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<td class="paramtype">uint8_t&#160;</td>
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<td class="paramkey"></td>
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<td class="paramtype">uint8_t&#160;</td>
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<td class="paramkey"></td>
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<td class="paramtype">uint8_t&#160;</td>
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<td class="paramkey"></td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d3</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d4</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d5</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d6</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d7</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlightPin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00091">91</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
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<a class="anchor" id="a0a0a8dfa7a2e775a031fd65f5c6366ec"></a><!-- doxytag: member="LiquidCrystal::LiquidCrystal" ref="a0a0a8dfa7a2e775a031fd65f5c6366ec" args="(uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)" -->
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<td class="memname">LiquidCrystal::LiquidCrystal </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rw</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d0</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d3</em>&#160;</td>
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<td>)</td>
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<p>4 bit <a class="el" href="class_l_c_d.html">LCD</a> constructors. Defines the pin assignment that the <a class="el" href="class_l_c_d.html">LCD</a> will have. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>. </p>
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00069">69</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a23124e6dd5ac4a9b6147629b96e91953"></a><!-- doxytag: member="LiquidCrystal::LiquidCrystal" ref="a23124e6dd5ac4a9b6147629b96e91953" args="(uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3)" -->
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<table class="memname">
<tr>
<td class="memname">LiquidCrystal::LiquidCrystal </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d0</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d3</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00075">75</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
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<a class="anchor" id="a8b90122c67a6d14b967c8a11ba490670"></a><!-- doxytag: member="LiquidCrystal::LiquidCrystal" ref="a8b90122c67a6d14b967c8a11ba490670" args="(uint8_t rs, uint8_t rw, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t backlightPin, t_backlighPol pol)" -->
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<table class="memname">
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<td class="memname">LiquidCrystal::LiquidCrystal </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rw</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d0</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d3</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlightPin</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00100">100</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a52a4de3d866e347208a32dfc9d797729"></a><!-- doxytag: member="LiquidCrystal::LiquidCrystal" ref="a52a4de3d866e347208a32dfc9d797729" args="(uint8_t rs, uint8_t enable, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t backlightPin, t_backlighPol pol)" -->
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<td class="memname">LiquidCrystal::LiquidCrystal </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d0</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d3</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlightPin</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
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<tr>
<td></td>
<td>)</td>
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<div class="memdoc">
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00108">108</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a56142f8b3753bedd133e4139e5eb5089"></a><!-- doxytag: member="LiquidCrystal::send" ref="a56142f8b3753bedd133e4139e5eb5089" args="(uint8_t value, uint8_t mode)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void LiquidCrystal::send </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>mode</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>Send a particular value to the <a class="el" href="class_l_c_d.html">LCD</a>. Sends a particular value to the <a class="el" href="class_l_c_d.html">LCD</a> for writing to the <a class="el" href="class_l_c_d.html">LCD</a> or as an <a class="el" href="class_l_c_d.html">LCD</a> command.</p>
<p>Users should never call this method.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value</td><td>Value to send to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>mode LOW - write to the <a class="el" href="class_l_c_d.html">LCD</a> CGRAM, HIGH - write a command to the <a class="el" href="class_l_c_d.html">LCD</a>. </dd></dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00122">122</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="aa2b898366e1c656ac313b9007c98cebd"></a><!-- doxytag: member="LiquidCrystal::setBacklight" ref="aa2b898366e1c656ac313b9007c98cebd" args="(uint8_t value)" -->
<div class="memitem">
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<tr>
<td class="memname">void LiquidCrystal::setBacklight </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. The setBacklightPin has to be called before setting the backlight for this method to work. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a>. For dimming control of the <a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>, the configuration pin must be a PWM output pin. Dim control is achieved by passing a value from 1 to 255 as a parameter. If the pin configured when calling the <a class="el" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">setBacklightPin</a> does not support PWM, then: (0) <a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a> <a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a>, (1..255) <a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a> <a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a>.</dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value,:</td><td>backlight value. 0: off, 1..255: dim control of the backlight. For negative logic 255: off, 254..0: dim control. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00165">165</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a63740dc1198d8169a39d9c6daff0efc9"></a><!-- doxytag: member="LiquidCrystal::setBacklightPin" ref="a63740dc1198d8169a39d9c6daff0efc9" args="(uint8_t pin, t_backlighPol pol)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void LiquidCrystal::setBacklightPin </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the pin to control the backlight. Sets the pin in the device to control the backlight.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pin,:</td><td>pin assigned to the backlight </td></tr>
<tr><td class="paramname">pol,:</td><td>backlight pin control polarity (POSITIVE, NEGATIVE). </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal_8cpp_source.html#l00155">155</a> of file <a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal_8h_source.html">LiquidCrystal.h</a></li>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal_8cpp_source.html">LiquidCrystal.cpp</a></li>
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<li><a href="annotated.html"><span>Class&#160;List</span></a></li>
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<div class="header">
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<div class="title">LiquidCrystal_I2C Member List</div> </div>
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This is the complete list of members for <a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a>, including all inherited members.<table>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, uint8_t charmap[])</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C</a>(uint8_t lcd_Addr)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#a9fc9bc519ebbf7503dadc11622e02ed6">LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t backlighPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#a517f8847ebf09f0eacfb9c7232975fce">LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#add1f2da7de4ec9b9cd5c9b5fab712464">LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t backlighPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#a7d9b54d3a91fa0e0e50db27cda6b4654">LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#ab15622287533de7a47f3e2012ebf18be">LiquidCrystal_I2C</a>(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlighPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">noAutoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#a8bf1fab7efe13e8b17b96c42d1f810b4">send</a>(uint8_t value, uint8_t mode)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">setBacklight</a>(uint8_t value)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">setBacklightPin</a>(uint8_t value, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">LiquidCrystal_I2C Class Reference</div> </div>
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<!-- doxytag: class="LiquidCrystal_I2C" --><!-- doxytag: inherits="LCD" -->
<p><code>#include &lt;<a class="el" href="_liquid_crystal___i2_c_8h_source.html">LiquidCrystal_I2C.h</a>&gt;</code></p>
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Inheritance diagram for LiquidCrystal_I2C:</div>
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<p><a href="class_liquid_crystal___i2_c-members.html">List of all members.</a></p>
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<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">begin</a> (uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#a9fc9bc519ebbf7503dadc11622e02ed6">LiquidCrystal_I2C</a> (uint8_t lcd_Addr, uint8_t backlighPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#add1f2da7de4ec9b9cd5c9b5fab712464">LiquidCrystal_I2C</a> (uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t backlighPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#a7d9b54d3a91fa0e0e50db27cda6b4654">LiquidCrystal_I2C</a> (uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#a517f8847ebf09f0eacfb9c7232975fce">LiquidCrystal_I2C</a> (uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#ab15622287533de7a47f3e2012ebf18be">LiquidCrystal_I2C</a> (uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlighPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#aac537d195557e0b8afac1a71441a484c">LiquidCrystal_I2C</a> (uint8_t lcd_Addr)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#a8bf1fab7efe13e8b17b96c42d1f810b4">send</a> (uint8_t value, uint8_t mode)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">setBacklight</a> (uint8_t value)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">setBacklightPin</a> (uint8_t value, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8h_source.html#l00038">38</a> of file <a class="el" href="_liquid_crystal___i2_c_8h_source.html">LiquidCrystal_I2C.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="aac537d195557e0b8afac1a71441a484c"></a><!-- doxytag: member="LiquidCrystal_I2C::LiquidCrystal_I2C" ref="aac537d195557e0b8afac1a71441a484c" args="(uint8_t lcd_Addr)" -->
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<td class="memname">LiquidCrystal_I2C::LiquidCrystal_I2C </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>lcd_Addr</em></td><td>)</td>
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<p>Class constructor. Initializes class variables and defines the I2C address of the <a class="el" href="class_l_c_d.html">LCD</a>. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">lcd_Addr[in]</td><td>I2C address of the IO expansion module. For I2CLCDextraIO, the address can be configured using the on board jumpers. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00096">96</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<a class="anchor" id="a9fc9bc519ebbf7503dadc11622e02ed6"></a><!-- doxytag: member="LiquidCrystal_I2C::LiquidCrystal_I2C" ref="a9fc9bc519ebbf7503dadc11622e02ed6" args="(uint8_t lcd_Addr, uint8_t backlighPin, t_backlighPol pol)" -->
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<td class="memname">LiquidCrystal_I2C::LiquidCrystal_I2C </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>lcd_Addr</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlighPin</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em> = <code>POSITIVE</code>&#160;</td>
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<tr>
<td></td>
<td>)</td>
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<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00102">102</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<a class="anchor" id="a517f8847ebf09f0eacfb9c7232975fce"></a><!-- doxytag: member="LiquidCrystal_I2C::LiquidCrystal_I2C" ref="a517f8847ebf09f0eacfb9c7232975fce" args="(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs)" -->
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<td class="memname">LiquidCrystal_I2C::LiquidCrystal_I2C </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>lcd_Addr</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>En</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rw</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rs</em>&#160;</td>
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<td>)</td>
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<p>Class constructor. Initializes class variables and defines the I2C address of the <a class="el" href="class_l_c_d.html">LCD</a>. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">lcd_Addr[in]</td><td>I2C address of the IO expansion module. For I2CLCDextraIO, the address can be configured using the on board jumpers. </td></tr>
<tr><td class="paramname">En[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> En (Enable) pin connected to the IO extender module </td></tr>
<tr><td class="paramname">Rw[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> Rw (Read/write) pin connected to the IO extender module </td></tr>
<tr><td class="paramname">Rs[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> Rs (Reset) pin connected to the IO extender module </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00109">109</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<a class="anchor" id="add1f2da7de4ec9b9cd5c9b5fab712464"></a><!-- doxytag: member="LiquidCrystal_I2C::LiquidCrystal_I2C" ref="add1f2da7de4ec9b9cd5c9b5fab712464" args="(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t backlighPin, t_backlighPol pol)" -->
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<td class="memname">LiquidCrystal_I2C::LiquidCrystal_I2C </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>lcd_Addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>En</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rw</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlighPin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em> = <code>POSITIVE</code>&#160;</td>
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<tr>
<td></td>
<td>)</td>
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<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00115">115</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<a class="anchor" id="a7d9b54d3a91fa0e0e50db27cda6b4654"></a><!-- doxytag: member="LiquidCrystal_I2C::LiquidCrystal_I2C" ref="a7d9b54d3a91fa0e0e50db27cda6b4654" args="(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)" -->
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<td class="memname">LiquidCrystal_I2C::LiquidCrystal_I2C </td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>lcd_Addr</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>En</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rw</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rs</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d4</em>, </td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d5</em>, </td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d6</em>, </td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d7</em>&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Class constructor. Initializes class variables and defines the I2C address of the <a class="el" href="class_l_c_d.html">LCD</a>. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">lcd_Addr[in]</td><td>I2C address of the IO expansion module. For I2CLCDextraIO, the address can be configured using the on board jumpers. </td></tr>
<tr><td class="paramname">En[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> En (Enable) pin connected to the IO extender module </td></tr>
<tr><td class="paramname">Rw[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> Rw (Read/write) pin connected to the IO extender module </td></tr>
<tr><td class="paramname">Rs[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> Rs (Reset) pin connected to the IO extender module </td></tr>
<tr><td class="paramname">d4[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> data 0 pin map on IO extender module </td></tr>
<tr><td class="paramname">d5[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> data 1 pin map on IO extender module </td></tr>
<tr><td class="paramname">d6[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> data 2 pin map on IO extender module </td></tr>
<tr><td class="paramname">d7[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> data 3 pin map on IO extender module </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00123">123</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<a class="anchor" id="ab15622287533de7a47f3e2012ebf18be"></a><!-- doxytag: member="LiquidCrystal_I2C::LiquidCrystal_I2C" ref="ab15622287533de7a47f3e2012ebf18be" args="(uint8_t lcd_Addr, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlighPin, t_backlighPol pol)" -->
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<td class="memname">LiquidCrystal_I2C::LiquidCrystal_I2C </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>lcd_Addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>En</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rw</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rs</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d4</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d5</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d6</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d7</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlighPin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em> = <code>POSITIVE</code>&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00130">130</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="aeee2ada537f0cfbfda8613324b57c4a6"></a><!-- doxytag: member="LiquidCrystal_I2C::begin" ref="aeee2ada537f0cfbfda8613324b57c4a6" args="(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)" -->
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<td class="memname">void LiquidCrystal_I2C::begin </td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>rows</em>, </td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>charsize</em> = <code>LCD_5x8DOTS</code>&#160;</td>
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<td>)</td>
<td></td><td><code> [virtual]</code></td>
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<p><a class="el" href="class_l_c_d.html">LCD</a> initialization and associated HW. Initializes the <a class="el" href="class_l_c_d.html">LCD</a> to a given size (col, row). This methods initializes the <a class="el" href="class_l_c_d.html">LCD</a>, therefore, it MUST be called prior to using any other method from this class or parent class.</p>
<p>The begin method can be overloaded if necessary to initialize any HW that is implemented by a library and can't be done during construction, here we use the Wire class.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">cols[in]</td><td>the number of columns that the display has </td></tr>
<tr><td class="paramname">rows[in]</td><td>the number of rows that the display has </td></tr>
<tr><td class="paramname">charsize[in]</td><td>size of the characters of the <a class="el" href="class_l_c_d.html">LCD</a>: LCD_5x8DOTS or LCD_5x10DOTS. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00144">144</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<a class="anchor" id="a8bf1fab7efe13e8b17b96c42d1f810b4"></a><!-- doxytag: member="LiquidCrystal_I2C::send" ref="a8bf1fab7efe13e8b17b96c42d1f810b4" args="(uint8_t value, uint8_t mode)" -->
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<td class="memname">void LiquidCrystal_I2C::send </td>
<td>(</td>
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<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>mode</em>&#160;</td>
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<td>)</td>
<td></td><td><code> [virtual]</code></td>
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<p>Send a particular value to the <a class="el" href="class_l_c_d.html">LCD</a>. Sends a particular value to the <a class="el" href="class_l_c_d.html">LCD</a> for writing to the <a class="el" href="class_l_c_d.html">LCD</a> or as an <a class="el" href="class_l_c_d.html">LCD</a> command.</p>
<p>Users should never call this method.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value[in]</td><td>Value to send to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
<tr><td class="paramname">mode[in]</td><td>DATA - write to the <a class="el" href="class_l_c_d.html">LCD</a> CGRAM, COMMAND - write a command to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00240">240</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<a class="anchor" id="af11b8fa0082616e2b6e6e4238589d8a8"></a><!-- doxytag: member="LiquidCrystal_I2C::setBacklight" ref="af11b8fa0082616e2b6e6e4238589d8a8" args="(uint8_t value)" -->
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<td class="memname">void LiquidCrystal_I2C::setBacklight </td>
<td>(</td>
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<td class="paramname"><em>value</em></td><td>)</td>
<td><code> [virtual]</code></td>
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<p>Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. The setBacklightPin has to be called before setting the backlight for this method to work. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">setBacklightPin</a>.</dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value,:</td><td>backlight mode (HIGH|LOW) </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00167">167</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
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<td class="memname">void LiquidCrystal_I2C::setBacklightPin </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em> = <code>POSITIVE</code>&#160;</td>
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<td>)</td>
<td></td><td><code> [virtual]</code></td>
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<p>Sets the pin to control the backlight. Sets the pin in the device to control the backlight. This device doesn't support dimming backlight capability.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">0,:</td><td>backlight off, 1..255: backlight on. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html#l00158">158</a> of file <a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___i2_c_8h_source.html">LiquidCrystal_I2C.h</a></li>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___i2_c_8cpp_source.html">LiquidCrystal_I2C.cpp</a></li>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">LiquidCrystal_SR Member List</div> </div>
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This is the complete list of members for <a class="el" href="class_liquid_crystal___s_r.html">LiquidCrystal_SR</a>, including all inherited members.<table>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, uint8_t charmap[])</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r.html#ac3fe0b48f8d4c1c941d82d1333495cfc">LiquidCrystal_SR</a>(uint8_t srdata, uint8_t srclock, uint8_t enable=TWO_WIRE)</td><td><a class="el" href="class_liquid_crystal___s_r.html">LiquidCrystal_SR</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">noAutoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r.html#a03821351a32db07cb7e42c8c11ce8d47">send</a>(uint8_t value, uint8_t mode)</td><td><a class="el" href="class_liquid_crystal___s_r.html">LiquidCrystal_SR</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r.html#ad9f3e3f36257984c23fb508973e14535">setBacklight</a>(uint8_t mode)</td><td><a class="el" href="class_liquid_crystal___s_r.html">LiquidCrystal_SR</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">setBacklightPin</a>(uint8_t pin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal___s_r.html">LiquidCrystal_SR</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<!-- doxytag: class="LiquidCrystal_SR" --><!-- doxytag: inherits="LCD" -->
<p><code>#include &lt;<a class="el" href="_liquid_crystal___s_r_8h_source.html">LiquidCrystal_SR.h</a>&gt;</code></p>
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Inheritance diagram for LiquidCrystal_SR:</div>
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Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r.html#ac3fe0b48f8d4c1c941d82d1333495cfc">LiquidCrystal_SR</a> (uint8_t srdata, uint8_t srclock, uint8_t enable=TWO_WIRE)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r.html#a03821351a32db07cb7e42c8c11ce8d47">send</a> (uint8_t value, uint8_t mode)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r.html#ad9f3e3f36257984c23fb508973e14535">setBacklight</a> (uint8_t mode)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">setBacklightPin</a> (uint8_t pin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="_liquid_crystal___s_r_8h_source.html#l00094">94</a> of file <a class="el" href="_liquid_crystal___s_r_8h_source.html">LiquidCrystal_SR.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="ac3fe0b48f8d4c1c941d82d1333495cfc"></a><!-- doxytag: member="LiquidCrystal_SR::LiquidCrystal_SR" ref="ac3fe0b48f8d4c1c941d82d1333495cfc" args="(uint8_t srdata, uint8_t srclock, uint8_t enable=TWO_WIRE)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal_SR::LiquidCrystal_SR </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>srdata</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>srclock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em> = <code>TWO_WIRE</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p><a class="el" href="class_l_c_d.html">LCD</a> SHIFT REGISTER constructors. Defines the pin assignment that the <a class="el" href="class_l_c_d.html">LCD</a> will have. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>. Assuming 1 line 8 pixel high font.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">srdata[in]</td><td>pin for shiftregister data line. </td></tr>
<tr><td class="paramname">srclock[in]</td><td>pin for shiftregister clock line. </td></tr>
<tr><td class="paramname">enable[in]</td><td>optional direct enable pin for the <a class="el" href="class_l_c_d.html">LCD</a> </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r_8cpp_source.html#l00098">98</a> of file <a class="el" href="_liquid_crystal___s_r_8cpp_source.html">LiquidCrystal_SR.cpp</a>.</p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a03821351a32db07cb7e42c8c11ce8d47"></a><!-- doxytag: member="LiquidCrystal_SR::send" ref="a03821351a32db07cb7e42c8c11ce8d47" args="(uint8_t value, uint8_t mode)" -->
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<td class="memname">void LiquidCrystal_SR::send </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>mode</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Send a particular value to the <a class="el" href="class_l_c_d.html">LCD</a>. Sends a particular value to the <a class="el" href="class_l_c_d.html">LCD</a> for writing to the <a class="el" href="class_l_c_d.html">LCD</a> or as an <a class="el" href="class_l_c_d.html">LCD</a> command using the shift register.</p>
<p>Users should never call this method.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value[in]</td><td>Value to send to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>mode LOW - write to the <a class="el" href="class_l_c_d.html">LCD</a> CGRAM, HIGH - write a command to the <a class="el" href="class_l_c_d.html">LCD</a>. </dd></dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r_8cpp_source.html#l00172">172</a> of file <a class="el" href="_liquid_crystal___s_r_8cpp_source.html">LiquidCrystal_SR.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="ad9f3e3f36257984c23fb508973e14535"></a><!-- doxytag: member="LiquidCrystal_SR::setBacklight" ref="ad9f3e3f36257984c23fb508973e14535" args="(uint8_t mode)" -->
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<td class="memname">void LiquidCrystal_SR::setBacklight </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>mode</em></td><td>)</td>
<td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. The setBacklightPin has to be called before setting the backlight for this method to work. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">setBacklightPin</a>.</dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">mode,:</td><td>backlight mode (HIGH|LOW) </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r_8cpp_source.html#l00207">207</a> of file <a class="el" href="_liquid_crystal___s_r_8cpp_source.html">LiquidCrystal_SR.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a5bfc0dcc1f042bcb59992493a3a7231d"></a><!-- doxytag: member="LiquidCrystal_SR::setBacklightPin" ref="a5bfc0dcc1f042bcb59992493a3a7231d" args="(uint8_t pin, t_backlighPol pol)" -->
<div class="memitem">
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<td class="memname">void LiquidCrystal_SR::setBacklightPin </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the pin to control the backlight. Sets the pin in the device to control the backlight. </p>
<dl class="warning"><dt><b>Warning:</b></dt><dd>Currently not supported</dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">mode,:</td><td>backlight mode (HIGH|LOW) </td></tr>
<tr><td class="paramname">pol,:</td><td>backlight polarity </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r_8cpp_source.html#l00202">202</a> of file <a class="el" href="_liquid_crystal___s_r_8cpp_source.html">LiquidCrystal_SR.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r_8h_source.html">LiquidCrystal_SR.h</a></li>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r_8cpp_source.html">LiquidCrystal_SR.cpp</a></li>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">LiquidCrystal_SR2W Member List</div> </div>
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<div class="contents">
This is the complete list of members for <a class="el" href="class_liquid_crystal___s_r2_w.html">LiquidCrystal_SR2W</a>, including all inherited members.<table>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, uint8_t charmap[])</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r2_w.html#af307fdf5c8feb757e965074dcdeb1dd3">LiquidCrystal_SR2W</a>(uint8_t srdata, uint8_t srclock, t_backlighPol blpol=POSITIVE)</td><td><a class="el" href="class_liquid_crystal___s_r2_w.html">LiquidCrystal_SR2W</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">noAutoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r2_w.html#a65dc6f261c319be8e56f3c1f6a5c877d">send</a>(uint8_t value, uint8_t mode)</td><td><a class="el" href="class_liquid_crystal___s_r2_w.html">LiquidCrystal_SR2W</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r2_w.html#a2158db27287c1564a03e7a1472beb3b6">setBacklight</a>(uint8_t mode)</td><td><a class="el" href="class_liquid_crystal___s_r2_w.html">LiquidCrystal_SR2W</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">setBacklightPin</a>(uint8_t value, t_backlighPol pol)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [inline, virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">LiquidCrystal_SR2W Class Reference</div> </div>
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<!-- doxytag: class="LiquidCrystal_SR2W" --><!-- doxytag: inherits="LCD" -->
<p><code>#include &lt;<a class="el" href="_liquid_crystal___s_r2_w_8h_source.html">LiquidCrystal_SR2W.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for LiquidCrystal_SR2W:</div>
<div class="dyncontent">
<div class="center">
<img src="class_liquid_crystal___s_r2_w.png" usemap="#LiquidCrystal_SR2W_map" alt=""/>
<map id="LiquidCrystal_SR2W_map" name="LiquidCrystal_SR2W_map">
<area href="class_l_c_d.html" alt="LCD" shape="rect" coords="0,0,126,24"/>
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<p><a href="class_liquid_crystal___s_r2_w-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r2_w.html#af307fdf5c8feb757e965074dcdeb1dd3">LiquidCrystal_SR2W</a> (uint8_t srdata, uint8_t srclock, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> blpol=POSITIVE)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r2_w.html#a65dc6f261c319be8e56f3c1f6a5c877d">send</a> (uint8_t value, uint8_t mode)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r2_w.html#a2158db27287c1564a03e7a1472beb3b6">setBacklight</a> (uint8_t mode)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="_liquid_crystal___s_r2_w_8h_source.html#l00137">137</a> of file <a class="el" href="_liquid_crystal___s_r2_w_8h_source.html">LiquidCrystal_SR2W.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="af307fdf5c8feb757e965074dcdeb1dd3"></a><!-- doxytag: member="LiquidCrystal_SR2W::LiquidCrystal_SR2W" ref="af307fdf5c8feb757e965074dcdeb1dd3" args="(uint8_t srdata, uint8_t srclock, t_backlighPol blpol=POSITIVE)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal_SR2W::LiquidCrystal_SR2W </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>srdata</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>srclock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>blpol</em> = <code>POSITIVE</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<div class="memdoc">
<p><a class="el" href="class_l_c_d.html">LCD</a> 2 wire SHIFT REGISTER constructor. Defines the pin assignments that connect to the shift register. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>. Assuming 1 line 8 pixel high font.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">srdata[in]</td><td>Arduino pin for shift register data line. </td></tr>
<tr><td class="paramname">srclock[in]</td><td>Arduino pin for shift register clock line. </td></tr>
<tr><td class="paramname">blpol[in]</td><td>optional backlight polarity (default = POSITIVE) </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r2_w_8cpp_source.html#l00037">37</a> of file <a class="el" href="_liquid_crystal___s_r2_w_8cpp_source.html">LiquidCrystal_SR2W.cpp</a>.</p>
</div>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a65dc6f261c319be8e56f3c1f6a5c877d"></a><!-- doxytag: member="LiquidCrystal_SR2W::send" ref="a65dc6f261c319be8e56f3c1f6a5c877d" args="(uint8_t value, uint8_t mode)" -->
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<td class="memname">void LiquidCrystal_SR2W::send </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>mode</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Send a particular value to the <a class="el" href="class_l_c_d.html">LCD</a>. Sends a particular value to the <a class="el" href="class_l_c_d.html">LCD</a> for writing to the <a class="el" href="class_l_c_d.html">LCD</a> or as an <a class="el" href="class_l_c_d.html">LCD</a> command using the shift register.</p>
<p>Users should never call this method.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value[in]</td><td>Value to send to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
<tr><td class="paramname">mode[in]</td><td>DATA=8bit data, COMMAND=8bit cmd, FOUR_BITS=4bit cmd the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r2_w_8cpp_source.html#l00090">90</a> of file <a class="el" href="_liquid_crystal___s_r2_w_8cpp_source.html">LiquidCrystal_SR2W.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a2158db27287c1564a03e7a1472beb3b6"></a><!-- doxytag: member="LiquidCrystal_SR2W::setBacklight" ref="a2158db27287c1564a03e7a1472beb3b6" args="(uint8_t mode)" -->
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<td class="memname">void LiquidCrystal_SR2W::setBacklight </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>mode</em></td><td>)</td>
<td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. The setBacklightPin has to be called before setting the backlight for this method to work. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">setBacklightPin</a>.</dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">mode[in]</td><td>backlight mode (0 off, non-zero on) </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r2_w_8cpp_source.html#l00117">117</a> of file <a class="el" href="_liquid_crystal___s_r2_w_8cpp_source.html">LiquidCrystal_SR2W.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r2_w_8h_source.html">LiquidCrystal_SR2W.h</a></li>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r2_w_8cpp_source.html">LiquidCrystal_SR2W.cpp</a></li>
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<div class="title">LiquidCrystal_SR3W Member List</div> </div>
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This is the complete list of members for <a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a>, including all inherited members.<table>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">_polarity</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, uint8_t charmap[])</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe)</td><td><a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r3_w.html#a7b2f382b76bc9d88adb8d681e824b4de">LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe, uint8_t backlighPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r3_w.html#a4fab8ff2f21bba3efd133cd8c87fffc0">LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)</td><td><a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r3_w.html#a24f051747dfeda48f7b207c3358c8015">LiquidCrystal_SR3W</a>(uint8_t data, uint8_t clk, uint8_t strobe, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlighPin, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">noAutoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">off</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">on</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r3_w.html#ade34af5b7fe795482f1848c2176d6e56">send</a>(uint8_t value, uint8_t mode)</td><td><a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">setBacklight</a>(uint8_t value)</td><td><a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">setBacklightPin</a>(uint8_t value, t_backlighPol pol)</td><td><a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">LiquidCrystal_SR3W Class Reference</div> </div>
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<!-- doxytag: class="LiquidCrystal_SR3W" --><!-- doxytag: inherits="LCD" -->
<p><code>#include &lt;<a class="el" href="_liquid_crystal___s_r3_w_8h_source.html">LiquidCrystal_SR3W.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for LiquidCrystal_SR3W:</div>
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<p><a href="class_liquid_crystal___s_r3_w-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r3_w.html#ae1396bcd5e9c5b7ed13182c166de776b">LiquidCrystal_SR3W</a> (uint8_t data, uint8_t clk, uint8_t strobe)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r3_w.html#a7b2f382b76bc9d88adb8d681e824b4de">LiquidCrystal_SR3W</a> (uint8_t data, uint8_t clk, uint8_t strobe, uint8_t backlighPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r3_w.html#a24f051747dfeda48f7b207c3358c8015">LiquidCrystal_SR3W</a> (uint8_t data, uint8_t clk, uint8_t strobe, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlighPin, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r3_w.html#a4fab8ff2f21bba3efd133cd8c87fffc0">LiquidCrystal_SR3W</a> (uint8_t data, uint8_t clk, uint8_t strobe, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r3_w.html#ade34af5b7fe795482f1848c2176d6e56">send</a> (uint8_t value, uint8_t mode)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">setBacklight</a> (uint8_t value)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">setBacklightPin</a> (uint8_t value, <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a> pol)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8h_source.html#l00066">66</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8h_source.html">LiquidCrystal_SR3W.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="ae1396bcd5e9c5b7ed13182c166de776b"></a><!-- doxytag: member="LiquidCrystal_SR3W::LiquidCrystal_SR3W" ref="ae1396bcd5e9c5b7ed13182c166de776b" args="(uint8_t data, uint8_t clk, uint8_t strobe)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal_SR3W::LiquidCrystal_SR3W </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>clk</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>strobe</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Class constructor. Initializes class variables and defines the IO driving the shift register. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>. Default configuration: Shift register <a class="el" href="class_l_c_d.html">LCD</a> QA - 0 DB4 QB - 1 DB5 QC - 2 DB6 QD - 3 DB7 QE - 4 E QF - 5 QG - 6 Rs GND Rw</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">strobe[in]</td><td>digital IO connected to shiftregister strobe pin. </td></tr>
<tr><td class="paramname">data[in]</td><td>digital IO connected to the shiftregister data pin. </td></tr>
<tr><td class="paramname">clk[in]</td><td>digital IO connected to the shiftregister clock pin. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00133">133</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a7b2f382b76bc9d88adb8d681e824b4de"></a><!-- doxytag: member="LiquidCrystal_SR3W::LiquidCrystal_SR3W" ref="a7b2f382b76bc9d88adb8d681e824b4de" args="(uint8_t data, uint8_t clk, uint8_t strobe, uint8_t backlighPin, t_backlighPol pol)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal_SR3W::LiquidCrystal_SR3W </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>clk</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>strobe</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlighPin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00138">138</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a4fab8ff2f21bba3efd133cd8c87fffc0"></a><!-- doxytag: member="LiquidCrystal_SR3W::LiquidCrystal_SR3W" ref="a4fab8ff2f21bba3efd133cd8c87fffc0" args="(uint8_t data, uint8_t clk, uint8_t strobe, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal_SR3W::LiquidCrystal_SR3W </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>clk</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>strobe</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>En</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rw</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d4</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d5</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d6</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d7</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Class constructor. Initializes class variables and defines the control lines of the <a class="el" href="class_l_c_d.html">LCD</a> and the shiftregister. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">strobe[in]</td><td>digital IO connected to shiftregister strobe pin. </td></tr>
<tr><td class="paramname">data[in]</td><td>digital IO connected to shiftregister data pin. </td></tr>
<tr><td class="paramname">clk[in]</td><td>digital IO connected to shiftregister clock pin. </td></tr>
<tr><td class="paramname">En[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> En (Enable) pin connected to SR output pin. </td></tr>
<tr><td class="paramname">Rw[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> Rw (Read/write) pin connected to SR output pin. </td></tr>
<tr><td class="paramname">Rs[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> Rs (Reg Select) pin connected to SR output pin. </td></tr>
<tr><td class="paramname">d4[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> data 4 pin map to the SR output pin. </td></tr>
<tr><td class="paramname">d5[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> data 5 pin map to the SR output pin. </td></tr>
<tr><td class="paramname">d6[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> data 6 pin map to the SR output pin. </td></tr>
<tr><td class="paramname">d7[in]</td><td><a class="el" href="class_l_c_d.html">LCD</a> data 7 pin map to the SR output pin. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00145">145</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a24f051747dfeda48f7b207c3358c8015"></a><!-- doxytag: member="LiquidCrystal_SR3W::LiquidCrystal_SR3W" ref="a24f051747dfeda48f7b207c3358c8015" args="(uint8_t data, uint8_t clk, uint8_t strobe, uint8_t En, uint8_t Rw, uint8_t Rs, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, uint8_t backlighPin, t_backlighPol pol)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">LiquidCrystal_SR3W::LiquidCrystal_SR3W </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>clk</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>strobe</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>En</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rw</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>Rs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d4</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d5</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d6</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>d7</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>backlighPin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00152">152</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ade34af5b7fe795482f1848c2176d6e56"></a><!-- doxytag: member="LiquidCrystal_SR3W::send" ref="ade34af5b7fe795482f1848c2176d6e56" args="(uint8_t value, uint8_t mode)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void LiquidCrystal_SR3W::send </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>mode</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Send a particular value to the <a class="el" href="class_l_c_d.html">LCD</a>. Sends a particular value to the <a class="el" href="class_l_c_d.html">LCD</a> for writing to the <a class="el" href="class_l_c_d.html">LCD</a> or as an <a class="el" href="class_l_c_d.html">LCD</a> command.</p>
<p>Users should never call this method.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value[in]</td><td>Value to send to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
<tr><td class="paramname">mode[in]</td><td>DATA - write to the <a class="el" href="class_l_c_d.html">LCD</a> CGRAM, COMMAND - write a command to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00162">162</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a6d0fc7907ef9fd87c408a21b9bd49295"></a><!-- doxytag: member="LiquidCrystal_SR3W::setBacklight" ref="a6d0fc7907ef9fd87c408a21b9bd49295" args="(uint8_t value)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void LiquidCrystal_SR3W::setBacklight </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em></td><td>)</td>
<td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. Switch-on/off the <a class="el" href="class_l_c_d.html">LCD</a> backlight. The setBacklightPin has to be called before setting the backlight for this method to work. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">setBacklightPin</a>.</dd></dl>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value,:</td><td>backlight mode (HIGH|LOW) </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00191">191</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a894d0ea8ea61c1d15acd8a26d417e477"></a><!-- doxytag: member="LiquidCrystal_SR3W::setBacklightPin" ref="a894d0ea8ea61c1d15acd8a26d417e477" args="(uint8_t value, t_backlighPol pol)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void LiquidCrystal_SR3W::setBacklightPin </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">t_backlighPol</a>&#160;</td>
<td class="paramname"><em>pol</em> = <code>POSITIVE</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Sets the pin to control the backlight. Sets the pin in the device to control the backlight. This device doesn't support dimming backlight capability.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">0,:</td><td>backlight off, 1..255: backlight on. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html#l00183">183</a> of file <a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r3_w_8h_source.html">LiquidCrystal_SR3W.h</a></li>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r3_w_8cpp_source.html">LiquidCrystal_SR3W.cpp</a></li>
</ul>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">LiquidCrystal_SR_LCD3 Member List</div> </div>
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<div class="contents">
This is the complete list of members for <a class="el" href="class_liquid_crystal___s_r___l_c_d3.html">LiquidCrystal_SR_LCD3</a>, including all inherited members.<table>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">_cols</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">_displaycontrol</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">_displayfunction</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">_displaymode</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">_numlines</a></td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [protected]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">autoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">backlight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">begin</a>(uint8_t cols, uint8_t rows, uint8_t charsize=LCD_5x8DOTS)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">blink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">clear</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a31a0cb42497d83cdc9cb8000828f7190">command</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, uint8_t charmap[])</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">cursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">display</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">home</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">leftToRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r___l_c_d3.html#a2cd0629853dd8a5569799fa998f3d29f">LiquidCrystal_SR_LCD3</a>(uint8_t srdata, uint8_t srclock, uint8_t enable)</td><td><a class="el" href="class_liquid_crystal___s_r___l_c_d3.html">LiquidCrystal_SR_LCD3</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">moveCursorLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">moveCursorRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">noAutoscroll</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">noBacklight</a>(void)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">noBlink</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">noCursor</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">noDisplay</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">rightToLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">scrollDisplayLeft</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">scrollDisplayRight</a>()</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_liquid_crystal___s_r___l_c_d3.html#a01e75d76d80e218a5bdc28f8ce22b0e4">send</a>(uint8_t value, uint8_t mode)</td><td><a class="el" href="class_liquid_crystal___s_r___l_c_d3.html">LiquidCrystal_SR_LCD3</a></td><td><code> [virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">setBacklight</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [inline, virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a11654e9302627743730fc4e1ea157e86">setBacklightPin</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [inline, virtual]</code></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td></td></tr>
<tr class="memlist"><td><a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">write</a>(uint8_t value)</td><td><a class="el" href="class_l_c_d.html">LCD</a></td><td><code> [virtual]</code></td></tr>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">LiquidCrystal_SR_LCD3 Class Reference</div> </div>
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<!-- doxytag: class="LiquidCrystal_SR_LCD3" --><!-- doxytag: inherits="LCD" -->
<p><code>#include &lt;<a class="el" href="_liquid_crystal___s_r___l_c_d3_8h_source.html">LiquidCrystal_SR_LCD3.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for LiquidCrystal_SR_LCD3:</div>
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<p><a href="class_liquid_crystal___s_r___l_c_d3-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r___l_c_d3.html#a2cd0629853dd8a5569799fa998f3d29f">LiquidCrystal_SR_LCD3</a> (uint8_t srdata, uint8_t srclock, uint8_t enable)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_liquid_crystal___s_r___l_c_d3.html#a01e75d76d80e218a5bdc28f8ce22b0e4">send</a> (uint8_t value, uint8_t mode)</td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="_liquid_crystal___s_r___l_c_d3_8h_source.html#l00016">16</a> of file <a class="el" href="_liquid_crystal___s_r___l_c_d3_8h_source.html">LiquidCrystal_SR_LCD3.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a2cd0629853dd8a5569799fa998f3d29f"></a><!-- doxytag: member="LiquidCrystal_SR_LCD3::LiquidCrystal_SR_LCD3" ref="a2cd0629853dd8a5569799fa998f3d29f" args="(uint8_t srdata, uint8_t srclock, uint8_t enable)" -->
<div class="memitem">
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<td class="memname">LiquidCrystal_SR_LCD3::LiquidCrystal_SR_LCD3 </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>srdata</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>srclock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>enable</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<div class="memdoc">
<p><a class="el" href="class_l_c_d.html">LCD</a> SHIFT REGISTER constructors. Defines the pin assignment that the <a class="el" href="class_l_c_d.html">LCD</a> will have. The constructor does not initialize the <a class="el" href="class_l_c_d.html">LCD</a>. Assuming 1 line 8 pixel high font.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">srdata[in]</td><td>pin for shiftregister data line. </td></tr>
<tr><td class="paramname">srclock[in]</td><td>pin for shiftregister clock line. </td></tr>
<tr><td class="paramname">enable[in]</td><td>enable pin for the shiftregister (also called strobe). </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html#l00123">123</a> of file <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html">LiquidCrystal_SR_LCD3.cpp</a>.</p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a01e75d76d80e218a5bdc28f8ce22b0e4"></a><!-- doxytag: member="LiquidCrystal_SR_LCD3::send" ref="a01e75d76d80e218a5bdc28f8ce22b0e4" args="(uint8_t value, uint8_t mode)" -->
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<td class="memname">void LiquidCrystal_SR_LCD3::send </td>
<td>(</td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>value</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>mode</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
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<div class="memdoc">
<p>Send a particular value to the <a class="el" href="class_l_c_d.html">LCD</a>. Sends a particular value to the <a class="el" href="class_l_c_d.html">LCD</a> for writing to the <a class="el" href="class_l_c_d.html">LCD</a> or as an <a class="el" href="class_l_c_d.html">LCD</a> command using the shift register.</p>
<p>Users should never call this method.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value[in]</td><td>Value to send to the <a class="el" href="class_l_c_d.html">LCD</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>mode LOW - write to the <a class="el" href="class_l_c_d.html">LCD</a> CGRAM, HIGH - write a command to the <a class="el" href="class_l_c_d.html">LCD</a>. </dd></dl>
<p>Reimplemented from <a class="el" href="class_l_c_d.html#a8a5b6f6f448a6ca6eeb3466c370d47ab">LCD</a>.</p>
<p>Definition at line <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html#l00171">171</a> of file <a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html">LiquidCrystal_SR_LCD3.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r___l_c_d3_8h_source.html">LiquidCrystal_SR_LCD3.h</a></li>
<li>/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r___l_c_d3_8cpp_source.html">LiquidCrystal_SR_LCD3.cpp</a></li>
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</td><td><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a>&#160;&#160;&#160;</td><td><a class="el" href="class_liquid_crystal___s_r.html">LiquidCrystal_SR</a>&#160;&#160;&#160;</td><td><a class="el" href="class_liquid_crystal___s_r3_w.html">LiquidCrystal_SR3W</a>&#160;&#160;&#160;</td></tr><tr><td><a class="el" href="class_i2_c_i_o.html">I2CIO</a>&#160;&#160;&#160;</td><td><a class="el" href="class_l_c_d.html">LCD</a>&#160;&#160;&#160;</td><td><a class="el" href="class_liquid_crystal___i2_c.html">LiquidCrystal_I2C</a>&#160;&#160;&#160;</td><td><a class="el" href="class_liquid_crystal___s_r2_w.html">LiquidCrystal_SR2W</a>&#160;&#160;&#160;</td></tr></table><div class="qindex"><a class="qindex" href="#letter_I">I</a>&#160;|&#160;<a class="qindex" href="#letter_L">L</a></div>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_fast_i_o_8cpp.html">FastIO.cpp</a> <a href="_fast_i_o_8cpp_source.html">[code]</a></td><td class="indexvalue"></td></tr>
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<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal_8cpp.html">LiquidCrystal.cpp</a> <a href="_liquid_crystal_8cpp_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal_8h.html">LiquidCrystal.h</a> <a href="_liquid_crystal_8h_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___i2_c_8cpp.html">LiquidCrystal_I2C.cpp</a> <a href="_liquid_crystal___i2_c_8cpp_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___i2_c_8h.html">LiquidCrystal_I2C.h</a> <a href="_liquid_crystal___i2_c_8h_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r_8cpp.html">LiquidCrystal_SR.cpp</a> <a href="_liquid_crystal___s_r_8cpp_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r_8h.html">LiquidCrystal_SR.h</a> <a href="_liquid_crystal___s_r_8h_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r2_w_8cpp.html">LiquidCrystal_SR2W.cpp</a> <a href="_liquid_crystal___s_r2_w_8cpp_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r2_w_8h.html">LiquidCrystal_SR2W.h</a> <a href="_liquid_crystal___s_r2_w_8h_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r3_w_8cpp.html">LiquidCrystal_SR3W.cpp</a> <a href="_liquid_crystal___s_r3_w_8cpp_source.html">[code]</a></td><td class="indexvalue"></td></tr>
<tr><td class="indexkey">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/<a class="el" href="_liquid_crystal___s_r3_w_8h.html">LiquidCrystal_SR3W.h</a> <a href="_liquid_crystal___s_r3_w_8h_source.html">[code]</a></td><td class="indexvalue"></td></tr>
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<title>LCD Library: Class Members</title>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<li><a href="hierarchy.html"><span>Class&#160;Hierarchy</span></a></li>
<li class="current"><a href="functions.html"><span>Class&#160;Members</span></a></li>
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<li class="current"><a href="functions.html"><span>All</span></a></li>
<li><a href="functions_func.html"><span>Functions</span></a></li>
<li><a href="functions_vars.html"><span>Variables</span></a></li>
</ul>
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<ul class="tablist">
<li><a href="#index__"><span>_</span></a></li>
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<li><a href="#index_b"><span>b</span></a></li>
<li><a href="#index_c"><span>c</span></a></li>
<li><a href="#index_d"><span>d</span></a></li>
<li><a href="#index_h"><span>h</span></a></li>
<li><a href="#index_i"><span>i</span></a></li>
<li><a href="#index_l"><span>l</span></a></li>
<li><a href="#index_m"><span>m</span></a></li>
<li><a href="#index_n"><span>n</span></a></li>
<li><a href="#index_o"><span>o</span></a></li>
<li><a href="#index_p"><span>p</span></a></li>
<li><a href="#index_r"><span>r</span></a></li>
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<li><a href="#index_w"><span>w</span></a></li>
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<div class="contents">
<div class="textblock">Here is a list of all class members with links to the classes they belong to:</div>
<h3><a class="anchor" id="index__"></a>- _ -</h3><ul>
<li>_cols
: <a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">LCD</a>
</li>
<li>_displaycontrol
: <a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">LCD</a>
</li>
<li>_displayfunction
: <a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">LCD</a>
</li>
<li>_displaymode
: <a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">LCD</a>
</li>
<li>_numlines
: <a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">LCD</a>
</li>
<li>_polarity
: <a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_a"></a>- a -</h3><ul>
<li>autoscroll()
: <a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_b"></a>- b -</h3><ul>
<li>backlight()
: <a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">LCD</a>
</li>
<li>begin()
: <a class="el" href="class_i2_c_i_o.html#a6f814653d903dc2ff6e8420eeb7954ae">I2CIO</a>
, <a class="el" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">LiquidCrystal_I2C</a>
, <a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">LCD</a>
</li>
<li>blink()
: <a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_c"></a>- c -</h3><ul>
<li>clear()
: <a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">LCD</a>
</li>
<li>createChar()
: <a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">LCD</a>
</li>
<li>cursor()
: <a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_d"></a>- d -</h3><ul>
<li>digitalRead()
: <a class="el" href="class_i2_c_i_o.html#ac26221011a8b49bcea9ef62712ea88a7">I2CIO</a>
</li>
<li>digitalWrite()
: <a class="el" href="class_i2_c_i_o.html#a473206162522b847546777d16a7c6dcd">I2CIO</a>
</li>
<li>display()
: <a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_h"></a>- h -</h3><ul>
<li>home()
: <a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_i"></a>- i -</h3><ul>
<li>I2CIO()
: <a class="el" href="class_i2_c_i_o.html#a32eb7832075ad6011d67874405a0d0a6">I2CIO</a>
</li>
</ul>
<h3><a class="anchor" id="index_l"></a>- l -</h3><ul>
<li>LCD()
: <a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a>
</li>
<li>leftToRight()
: <a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">LCD</a>
</li>
<li>LiquidCrystal()
: <a class="el" href="class_liquid_crystal.html#a30e3d865c4b4a003a36cb45903f93644">LiquidCrystal</a>
</li>
<li>LiquidCrystal_I2C()
: <a class="el" href="class_liquid_crystal___i2_c.html#a517f8847ebf09f0eacfb9c7232975fce">LiquidCrystal_I2C</a>
</li>
<li>LiquidCrystal_SR()
: <a class="el" href="class_liquid_crystal___s_r.html#ac3fe0b48f8d4c1c941d82d1333495cfc">LiquidCrystal_SR</a>
</li>
<li>LiquidCrystal_SR2W()
: <a class="el" href="class_liquid_crystal___s_r2_w.html#af307fdf5c8feb757e965074dcdeb1dd3">LiquidCrystal_SR2W</a>
</li>
<li>LiquidCrystal_SR3W()
: <a class="el" href="class_liquid_crystal___s_r3_w.html#a24f051747dfeda48f7b207c3358c8015">LiquidCrystal_SR3W</a>
</li>
</ul>
<h3><a class="anchor" id="index_m"></a>- m -</h3><ul>
<li>moveCursorLeft()
: <a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">LCD</a>
</li>
<li>moveCursorRight()
: <a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_n"></a>- n -</h3><ul>
<li>noAutoscroll()
: <a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">LCD</a>
</li>
<li>noBacklight()
: <a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">LCD</a>
</li>
<li>noBlink()
: <a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">LCD</a>
</li>
<li>noCursor()
: <a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">LCD</a>
</li>
<li>noDisplay()
: <a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_o"></a>- o -</h3><ul>
<li>off()
: <a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">LCD</a>
</li>
<li>on()
: <a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_p"></a>- p -</h3><ul>
<li>pinMode()
: <a class="el" href="class_i2_c_i_o.html#a53b94274eb6bb68564cf5243323db887">I2CIO</a>
</li>
<li>portMode()
: <a class="el" href="class_i2_c_i_o.html#a0341888753bc54c4384f5593a870fb34">I2CIO</a>
</li>
</ul>
<h3><a class="anchor" id="index_r"></a>- r -</h3><ul>
<li>read()
: <a class="el" href="class_i2_c_i_o.html#a7a3db7bfc15ede0ae9e8c8bd44290ef7">I2CIO</a>
</li>
<li>rightToLeft()
: <a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_s"></a>- s -</h3><ul>
<li>scrollDisplayLeft()
: <a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">LCD</a>
</li>
<li>scrollDisplayRight()
: <a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">LCD</a>
</li>
<li>send()
: <a class="el" href="class_liquid_crystal___i2_c.html#a8bf1fab7efe13e8b17b96c42d1f810b4">LiquidCrystal_I2C</a>
, <a class="el" href="class_liquid_crystal___s_r.html#a03821351a32db07cb7e42c8c11ce8d47">LiquidCrystal_SR</a>
, <a class="el" href="class_liquid_crystal.html#a56142f8b3753bedd133e4139e5eb5089">LiquidCrystal</a>
, <a class="el" href="class_liquid_crystal___s_r2_w.html#a65dc6f261c319be8e56f3c1f6a5c877d">LiquidCrystal_SR2W</a>
, <a class="el" href="class_liquid_crystal___s_r3_w.html#ade34af5b7fe795482f1848c2176d6e56">LiquidCrystal_SR3W</a>
</li>
<li>setBacklight()
: <a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">LCD</a>
, <a class="el" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">LiquidCrystal</a>
, <a class="el" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">LiquidCrystal_I2C</a>
, <a class="el" href="class_liquid_crystal___s_r.html#ad9f3e3f36257984c23fb508973e14535">LiquidCrystal_SR</a>
, <a class="el" href="class_liquid_crystal___s_r2_w.html#a2158db27287c1564a03e7a1472beb3b6">LiquidCrystal_SR2W</a>
, <a class="el" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">LiquidCrystal_SR3W</a>
</li>
<li>setBacklightPin()
: <a class="el" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">LiquidCrystal</a>
, <a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">LCD</a>
, <a class="el" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">LiquidCrystal_SR3W</a>
, <a class="el" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">LiquidCrystal_I2C</a>
, <a class="el" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">LiquidCrystal_SR</a>
</li>
<li>setCursor()
: <a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_w"></a>- w -</h3><ul>
<li>write()
: <a class="el" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">I2CIO</a>
, <a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">LCD</a>
</li>
</ul>
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<div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.1</span></div>
<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
</td>
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</tbody>
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<li><a href="#index_d"><span>d</span></a></li>
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<li><a href="#index_i"><span>i</span></a></li>
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<li><a href="#index_o"><span>o</span></a></li>
<li><a href="#index_p"><span>p</span></a></li>
<li><a href="#index_r"><span>r</span></a></li>
<li><a href="#index_s"><span>s</span></a></li>
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</ul>
</div>
</div>
<div class="contents">
&#160;
<h3><a class="anchor" id="index_a"></a>- a -</h3><ul>
<li>autoscroll()
: <a class="el" href="class_l_c_d.html#abb3ed88d530f6283e6159b4973e7da9e">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_b"></a>- b -</h3><ul>
<li>backlight()
: <a class="el" href="class_l_c_d.html#aba8867fe2210cbfa8db869208709be10">LCD</a>
</li>
<li>begin()
: <a class="el" href="class_i2_c_i_o.html#a6f814653d903dc2ff6e8420eeb7954ae">I2CIO</a>
, <a class="el" href="class_liquid_crystal___i2_c.html#aeee2ada537f0cfbfda8613324b57c4a6">LiquidCrystal_I2C</a>
, <a class="el" href="class_l_c_d.html#a3f587d1cbb2d59765ef60a5216b56fea">LCD</a>
</li>
<li>blink()
: <a class="el" href="class_l_c_d.html#a878b36878fa8287093964eba83aace77">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_c"></a>- c -</h3><ul>
<li>clear()
: <a class="el" href="class_l_c_d.html#afa699e0beeeee03cce8cef87eba81c4a">LCD</a>
</li>
<li>createChar()
: <a class="el" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">LCD</a>
</li>
<li>cursor()
: <a class="el" href="class_l_c_d.html#a194814f64dfa50a90e07e0fe0d361620">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_d"></a>- d -</h3><ul>
<li>digitalRead()
: <a class="el" href="class_i2_c_i_o.html#ac26221011a8b49bcea9ef62712ea88a7">I2CIO</a>
</li>
<li>digitalWrite()
: <a class="el" href="class_i2_c_i_o.html#a473206162522b847546777d16a7c6dcd">I2CIO</a>
</li>
<li>display()
: <a class="el" href="class_l_c_d.html#a5b07cf05e8e5e7c53654f5ca0cf58b89">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_h"></a>- h -</h3><ul>
<li>home()
: <a class="el" href="class_l_c_d.html#aee45ad37f09312f5d9982257e2d37e68">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_i"></a>- i -</h3><ul>
<li>I2CIO()
: <a class="el" href="class_i2_c_i_o.html#a32eb7832075ad6011d67874405a0d0a6">I2CIO</a>
</li>
</ul>
<h3><a class="anchor" id="index_l"></a>- l -</h3><ul>
<li>LCD()
: <a class="el" href="class_l_c_d.html#a00bb2db1390721abc7b24ac4b8c276c8">LCD</a>
</li>
<li>leftToRight()
: <a class="el" href="class_l_c_d.html#a238e9f6476dc7df64af04eb6c87f6ac7">LCD</a>
</li>
<li>LiquidCrystal()
: <a class="el" href="class_liquid_crystal.html#a30e3d865c4b4a003a36cb45903f93644">LiquidCrystal</a>
</li>
<li>LiquidCrystal_I2C()
: <a class="el" href="class_liquid_crystal___i2_c.html#a517f8847ebf09f0eacfb9c7232975fce">LiquidCrystal_I2C</a>
</li>
<li>LiquidCrystal_SR()
: <a class="el" href="class_liquid_crystal___s_r.html#ac3fe0b48f8d4c1c941d82d1333495cfc">LiquidCrystal_SR</a>
</li>
<li>LiquidCrystal_SR2W()
: <a class="el" href="class_liquid_crystal___s_r2_w.html#af307fdf5c8feb757e965074dcdeb1dd3">LiquidCrystal_SR2W</a>
</li>
<li>LiquidCrystal_SR3W()
: <a class="el" href="class_liquid_crystal___s_r3_w.html#a24f051747dfeda48f7b207c3358c8015">LiquidCrystal_SR3W</a>
</li>
</ul>
<h3><a class="anchor" id="index_m"></a>- m -</h3><ul>
<li>moveCursorLeft()
: <a class="el" href="class_l_c_d.html#aad2abc99d1aca5403873579d9d72c2d4">LCD</a>
</li>
<li>moveCursorRight()
: <a class="el" href="class_l_c_d.html#a09eec0c712e54b066f5894635c1fe75c">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_n"></a>- n -</h3><ul>
<li>noAutoscroll()
: <a class="el" href="class_l_c_d.html#a96035dde40efbf73390e00b5beb00231">LCD</a>
</li>
<li>noBacklight()
: <a class="el" href="class_l_c_d.html#a2a331b4e142734411b2f1cfaffe7a488">LCD</a>
</li>
<li>noBlink()
: <a class="el" href="class_l_c_d.html#a3b755c4b397b5985752be8c30ee1a9b5">LCD</a>
</li>
<li>noCursor()
: <a class="el" href="class_l_c_d.html#aec8ffaa1e69c7a6e13ac0cfbc29151d9">LCD</a>
</li>
<li>noDisplay()
: <a class="el" href="class_l_c_d.html#af3974da6d988ba2d21c25135ada12108">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_o"></a>- o -</h3><ul>
<li>off()
: <a class="el" href="class_l_c_d.html#a191639be183be1476c9bfe6d455d23b2">LCD</a>
</li>
<li>on()
: <a class="el" href="class_l_c_d.html#a718da3a638deb59bd1c7a5222a52d98a">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_p"></a>- p -</h3><ul>
<li>pinMode()
: <a class="el" href="class_i2_c_i_o.html#a53b94274eb6bb68564cf5243323db887">I2CIO</a>
</li>
<li>portMode()
: <a class="el" href="class_i2_c_i_o.html#a0341888753bc54c4384f5593a870fb34">I2CIO</a>
</li>
</ul>
<h3><a class="anchor" id="index_r"></a>- r -</h3><ul>
<li>read()
: <a class="el" href="class_i2_c_i_o.html#a7a3db7bfc15ede0ae9e8c8bd44290ef7">I2CIO</a>
</li>
<li>rightToLeft()
: <a class="el" href="class_l_c_d.html#ac014830eadc26bfd86308ea8734f4428">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_s"></a>- s -</h3><ul>
<li>scrollDisplayLeft()
: <a class="el" href="class_l_c_d.html#a6f3a503055b3b8dcf0f61b2633c584f7">LCD</a>
</li>
<li>scrollDisplayRight()
: <a class="el" href="class_l_c_d.html#abfc44b294772f09020bfa32af8a79571">LCD</a>
</li>
<li>send()
: <a class="el" href="class_liquid_crystal___i2_c.html#a8bf1fab7efe13e8b17b96c42d1f810b4">LiquidCrystal_I2C</a>
, <a class="el" href="class_liquid_crystal___s_r.html#a03821351a32db07cb7e42c8c11ce8d47">LiquidCrystal_SR</a>
, <a class="el" href="class_liquid_crystal.html#a56142f8b3753bedd133e4139e5eb5089">LiquidCrystal</a>
, <a class="el" href="class_liquid_crystal___s_r2_w.html#a65dc6f261c319be8e56f3c1f6a5c877d">LiquidCrystal_SR2W</a>
, <a class="el" href="class_liquid_crystal___s_r3_w.html#ade34af5b7fe795482f1848c2176d6e56">LiquidCrystal_SR3W</a>
</li>
<li>setBacklight()
: <a class="el" href="class_l_c_d.html#a3305570d7b37eb93f2cf840263c15828">LCD</a>
, <a class="el" href="class_liquid_crystal.html#aa2b898366e1c656ac313b9007c98cebd">LiquidCrystal</a>
, <a class="el" href="class_liquid_crystal___i2_c.html#af11b8fa0082616e2b6e6e4238589d8a8">LiquidCrystal_I2C</a>
, <a class="el" href="class_liquid_crystal___s_r.html#ad9f3e3f36257984c23fb508973e14535">LiquidCrystal_SR</a>
, <a class="el" href="class_liquid_crystal___s_r2_w.html#a2158db27287c1564a03e7a1472beb3b6">LiquidCrystal_SR2W</a>
, <a class="el" href="class_liquid_crystal___s_r3_w.html#a6d0fc7907ef9fd87c408a21b9bd49295">LiquidCrystal_SR3W</a>
</li>
<li>setBacklightPin()
: <a class="el" href="class_liquid_crystal.html#a63740dc1198d8169a39d9c6daff0efc9">LiquidCrystal</a>
, <a class="el" href="class_l_c_d.html#a53f4ee9b39d9ab3d7ae4d9f8dedca3bc">LCD</a>
, <a class="el" href="class_liquid_crystal___s_r3_w.html#a894d0ea8ea61c1d15acd8a26d417e477">LiquidCrystal_SR3W</a>
, <a class="el" href="class_liquid_crystal___i2_c.html#a2eaf86f62d1f169b3763b03fbf88f70b">LiquidCrystal_I2C</a>
, <a class="el" href="class_liquid_crystal___s_r.html#a5bfc0dcc1f042bcb59992493a3a7231d">LiquidCrystal_SR</a>
</li>
<li>setCursor()
: <a class="el" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">LCD</a>
</li>
</ul>
<h3><a class="anchor" id="index_w"></a>- w -</h3><ul>
<li>write()
: <a class="el" href="class_i2_c_i_o.html#ae2063569c927d0008e2593d14504fdcd">I2CIO</a>
, <a class="el" href="class_l_c_d.html#a2d89cc2e62f72afb5f15a7fd812900e3">LCD</a>
</li>
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&#160;<ul>
<li>_cols
: <a class="el" href="class_l_c_d.html#a88b16ea0e5c7d1cabc5007d48bcbd2b0">LCD</a>
</li>
<li>_displaycontrol
: <a class="el" href="class_l_c_d.html#ae47a0e2eff74431a39774b788d5761f4">LCD</a>
</li>
<li>_displayfunction
: <a class="el" href="class_l_c_d.html#aef093ba3f8e1016267b40ac235a0fa0f">LCD</a>
</li>
<li>_displaymode
: <a class="el" href="class_l_c_d.html#a726b9a68d091dd8683a18e83f3a8fd3c">LCD</a>
</li>
<li>_numlines
: <a class="el" href="class_l_c_d.html#ac1374911fb145fea430c21092ada0c06">LCD</a>
</li>
<li>_polarity
: <a class="el" href="class_l_c_d.html#a990338759d2abe10b0fb1743b7789566">LCD</a>
</li>
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<li><a href="globals_defs.html"><span>Defines</span></a></li>
</ul>
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<ul class="tablist">
<li><a href="#index__"><span>_</span></a></li>
<li><a href="#index_a"><span>a</span></a></li>
<li><a href="#index_b"><span>b</span></a></li>
<li><a href="#index_c"><span>c</span></a></li>
<li><a href="#index_d"><span>d</span></a></li>
<li><a href="#index_e"><span>e</span></a></li>
<li><a href="#index_f"><span>f</span></a></li>
<li><a href="#index_h"><span>h</span></a></li>
<li><a href="#index_l"><span>l</span></a></li>
<li><a href="#index_n"><span>n</span></a></li>
<li><a href="#index_p"><span>p</span></a></li>
<li><a href="#index_r"><span>r</span></a></li>
<li><a href="#index_s"><span>s</span></a></li>
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<li><a href="#index_w"><span>w</span></a></li>
</ul>
</div>
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<div class="contents">
<div class="textblock">Here is a list of all file members with links to the files they belong to:</div>
<h3><a class="anchor" id="index__"></a>- _ -</h3><ul>
<li>_I2CIO_VERSION
: <a class="el" href="_i2_c_i_o_8h.html#a218dbde2f6fda8c5825e25da10864c71">I2CIO.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_a"></a>- a -</h3><ul>
<li>ATOMIC_BLOCK
: <a class="el" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">FastIO.h</a>
</li>
<li>ATOMIC_RESTORESTATE
: <a class="el" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">FastIO.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_b"></a>- b -</h3><ul>
<li>BACKLIGHT_OFF
: <a class="el" href="_l_c_d_8h.html#a0f50ae3b4bdb42dd5ad74b2c604a7515">LCD.h</a>
</li>
<li>BACKLIGHT_ON
: <a class="el" href="_l_c_d_8h.html#aa5bad1c51f5fac029f3deacfef48c54b">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_c"></a>- c -</h3><ul>
<li>COMMAND
: <a class="el" href="_l_c_d_8h.html#ab0d87e07831e7e4943caef187872123e">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_d"></a>- d -</h3><ul>
<li>D4
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">LiquidCrystal_SR3W.cpp</a>
</li>
<li>D5
: <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">LiquidCrystal_SR3W.cpp</a>
, <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">LiquidCrystal_I2C.cpp</a>
</li>
<li>D6
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">LiquidCrystal_SR3W.cpp</a>
</li>
<li>D7
: <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">LiquidCrystal_SR3W.cpp</a>
, <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">LiquidCrystal_I2C.cpp</a>
</li>
<li>DATA
: <a class="el" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_e"></a>- e -</h3><ul>
<li>EN
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">LiquidCrystal_SR3W.cpp</a>
</li>
<li>EXEC_TIME
: <a class="el" href="_liquid_crystal_8h.html#adebff0f00a59c9f9863bc196938d5726">LiquidCrystal.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_f"></a>- f -</h3><ul>
<li>fio_bit
: <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">FastIO.h</a>
</li>
<li>fio_digitalRead()
: <a class="el" href="_fast_i_o_8cpp.html#a83fc2fdc19ab3f9aade9e1a2f39e81a6">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#a197336e47e1c3f929056ce3abbbc7e8d">FastIO.h</a>
</li>
<li>fio_digitalWrite()
: <a class="el" href="_fast_i_o_8cpp.html#ae91bbe682b02a5842c291055c0e998b5">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#ae91bbe682b02a5842c291055c0e998b5">FastIO.h</a>
</li>
<li>fio_digitalWrite_HIGH
: <a class="el" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">FastIO.h</a>
</li>
<li>fio_digitalWrite_LOW
: <a class="el" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">FastIO.h</a>
</li>
<li>fio_digitalWrite_SWITCH
: <a class="el" href="_fast_i_o_8h.html#a6d1dffed7f0c8f28f6c88146315f7832">FastIO.h</a>
</li>
<li>fio_digitalWrite_SWITCHTO
: <a class="el" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">FastIO.h</a>
</li>
<li>FIO_FALLBACK
: <a class="el" href="_fast_i_o_8h.html#a32f90d0ad5c1295c97cc1e79936aadd6">FastIO.h</a>
</li>
<li>fio_pinToBit()
: <a class="el" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#a07a19dfbdca1afaca5d666bdaa3be7d5">FastIO.h</a>
</li>
<li>fio_pinToInputRegister()
: <a class="el" href="_fast_i_o_8cpp.html#afb934fc0ded94cbb5ed8ed14e2a123ed">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#afb934fc0ded94cbb5ed8ed14e2a123ed">FastIO.h</a>
</li>
<li>fio_pinToOutputRegister()
: <a class="el" href="_fast_i_o_8h.html#a385ae40d960c1a57e86818332476a802">FastIO.h</a>
, <a class="el" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">FastIO.cpp</a>
</li>
<li>fio_register
: <a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">FastIO.h</a>
</li>
<li>fio_shiftOut()
: <a class="el" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#a56c72b9f00680662229895ab22aaa743">FastIO.h</a>
, <a class="el" href="_fast_i_o_8cpp.html#a5d8d5977294d614d15bda19f75d6b787">FastIO.cpp</a>
</li>
<li>fio_shiftOut1()
: <a class="el" href="_fast_i_o_8cpp.html#a5b4d1684030dc620938b7c2fbdf5ced8">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#af2aac35d9a8ab7a2c87672f2c7cbbafb">FastIO.h</a>
, <a class="el" href="_fast_i_o_8cpp.html#a7ac8b242e7e3cacf175e481889e047dd">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#a33ce251dcd6b448185cda415a99001cf">FastIO.h</a>
</li>
<li>fio_shiftOut1_init()
: <a class="el" href="_fast_i_o_8cpp.html#a2d0e4495eb12504255bbd3f82405b17b">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#ae4b2e099f8ade9ee674d1565669e870a">FastIO.h</a>
, <a class="el" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">FastIO.cpp</a>
</li>
<li>FOUR_BITS
: <a class="el" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_h"></a>- h -</h3><ul>
<li>HOME_CLEAR_EXEC
: <a class="el" href="_l_c_d_8h.html#ad25b138788d83e67f840588754e2df2f">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_l"></a>- l -</h3><ul>
<li>LCD_1LINE
: <a class="el" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD.h</a>
</li>
<li>LCD_2LINE
: <a class="el" href="_l_c_d_8h.html#a7987e93538df2819583ba43b81ddbb25">LCD.h</a>
</li>
<li>LCD_4BIT
: <a class="el" href="_liquid_crystal_8cpp.html#a31e1c14e8c2845dec3301f0ebd36b43c">LiquidCrystal.cpp</a>
</li>
<li>LCD_4BITMODE
: <a class="el" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD.h</a>
</li>
<li>LCD_5x10DOTS
: <a class="el" href="_l_c_d_8h.html#abb3210156d88d3fe18c9352eb161fe42">LCD.h</a>
</li>
<li>LCD_5x8DOTS
: <a class="el" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD.h</a>
</li>
<li>LCD_8BIT
: <a class="el" href="_liquid_crystal_8cpp.html#a57d84af8cf61ceee4eb91db77889f071">LiquidCrystal.cpp</a>
</li>
<li>LCD_8BITMODE
: <a class="el" href="_l_c_d_8h.html#a59a57ca857dae5d89eb5f2a38c4ac6f0">LCD.h</a>
</li>
<li>LCD_BACKLIGHT
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">LiquidCrystal_SR3W.cpp</a>
</li>
<li>LCD_BLINKOFF
: <a class="el" href="_l_c_d_8h.html#a4b28243034cec656b0ed490ba6979752">LCD.h</a>
</li>
<li>LCD_BLINKON
: <a class="el" href="_l_c_d_8h.html#ac3b19d4e6553b9bbf18a23387e439206">LCD.h</a>
</li>
<li>LCD_CLEARDISPLAY
: <a class="el" href="_l_c_d_8h.html#acc3509bc0442b41e2b816555de473ed2">LCD.h</a>
</li>
<li>LCD_CURSORMOVE
: <a class="el" href="_l_c_d_8h.html#ac21f0302ac4136775877d5f4759e4f74">LCD.h</a>
</li>
<li>LCD_CURSOROFF
: <a class="el" href="_l_c_d_8h.html#a32b194a3adaa0a0bb69acee2e6a754fa">LCD.h</a>
</li>
<li>LCD_CURSORON
: <a class="el" href="_l_c_d_8h.html#ab67f0adccde68de88eee0513fdfc4574">LCD.h</a>
</li>
<li>LCD_CURSORSHIFT
: <a class="el" href="_l_c_d_8h.html#a61f16a2b7550e4700f7898a7587c5594">LCD.h</a>
</li>
<li>LCD_DISPLAYCONTROL
: <a class="el" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD.h</a>
</li>
<li>LCD_DISPLAYMOVE
: <a class="el" href="_l_c_d_8h.html#ab2f7b67abfac33f610acfd5d7a971f40">LCD.h</a>
</li>
<li>LCD_DISPLAYOFF
: <a class="el" href="_l_c_d_8h.html#a257ebe775cac7140cf82aa40d8ce545a">LCD.h</a>
</li>
<li>LCD_DISPLAYON
: <a class="el" href="_l_c_d_8h.html#a76236ae8317b34bbc98ea56bc0a2639c">LCD.h</a>
</li>
<li>LCD_ENTRYLEFT
: <a class="el" href="_l_c_d_8h.html#ae7c6309fce6200bd7526d090a4a84dd0">LCD.h</a>
</li>
<li>LCD_ENTRYMODESET
: <a class="el" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">LCD.h</a>
</li>
<li>LCD_ENTRYRIGHT
: <a class="el" href="_l_c_d_8h.html#a43c26ba2e66880fac95ef640b56873ad">LCD.h</a>
</li>
<li>LCD_ENTRYSHIFTDECREMENT
: <a class="el" href="_l_c_d_8h.html#a049ee97e98d04788c1da9a55590fbe42">LCD.h</a>
</li>
<li>LCD_ENTRYSHIFTINCREMENT
: <a class="el" href="_l_c_d_8h.html#aa2cf1d0f4a319e53c009cffe1184466c">LCD.h</a>
</li>
<li>LCD_FUNCTIONSET
: <a class="el" href="_l_c_d_8h.html#aaef882ae70d1f485cd132815d9716111">LCD.h</a>
</li>
<li>LCD_MOVELEFT
: <a class="el" href="_l_c_d_8h.html#aafb86adb0dfca1e65d65b2cd1946a009">LCD.h</a>
</li>
<li>LCD_MOVERIGHT
: <a class="el" href="_l_c_d_8h.html#acf5999180233790bb2c9902efde58f7f">LCD.h</a>
</li>
<li>LCD_NOBACKLIGHT
: <a class="el" href="_liquid_crystal_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LiquidCrystal.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LiquidCrystal_SR3W.cpp</a>
, <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LiquidCrystal_I2C.cpp</a>
</li>
<li>LCD_RETURNHOME
: <a class="el" href="_l_c_d_8h.html#a154c86a887633d0f6d9988e4dbb1f419">LCD.h</a>
</li>
<li>LCD_SETCGRAMADDR
: <a class="el" href="_l_c_d_8h.html#aae6ea856879c11dee58493184582a52f">LCD.h</a>
</li>
<li>LCD_SETDDRAMADDR
: <a class="el" href="_l_c_d_8h.html#a15008b832807a208d9d88c74e6751ebf">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_n"></a>- n -</h3><ul>
<li>NEGATIVE
: <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_p"></a>- p -</h3><ul>
<li>POSITIVE
: <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca03d440bbbfb042afc85347f994b44fb5">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_r"></a>- r -</h3><ul>
<li>RS
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#af8903d8eea3868940c60af887473b152">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#af8903d8eea3868940c60af887473b152">LiquidCrystal_SR3W.cpp</a>
</li>
<li>RW
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#afc4ded33ac0ca43defcce639e965748a">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#afc4ded33ac0ca43defcce639e965748a">LiquidCrystal_SR3W.cpp</a>
</li>
</ul>
<h3><a class="anchor" id="index_s"></a>- s -</h3><ul>
<li>SKIP
: <a class="el" href="_fast_i_o_8h.html#a688a4adbb87520a2b68681bd6bfb199e">FastIO.h</a>
</li>
<li>SR2W_BL_MASK
: <a class="el" href="_liquid_crystal___s_r2_w_8h.html#a53e3add69865ae57ca872cb41fcae9e3">LiquidCrystal_SR2W.h</a>
</li>
<li>SR2W_DATA_MASK
: <a class="el" href="_liquid_crystal___s_r2_w_8h.html#a7cf86f2a173473d01e02b2ac786a8690">LiquidCrystal_SR2W.h</a>
</li>
<li>SR2W_EN_MASK
: <a class="el" href="_liquid_crystal___s_r2_w_8h.html#a8d17b6abb5bcde6883dbdc86d34be9d8">LiquidCrystal_SR2W.h</a>
</li>
<li>SR2W_RS_MASK
: <a class="el" href="_liquid_crystal___s_r2_w_8h.html#acce98b026d9fdcb2e126705c14af7500">LiquidCrystal_SR2W.h</a>
</li>
<li>SR_EN_BIT
: <a class="el" href="_liquid_crystal___s_r_8h.html#a0075b041d82abb47f279dce482e7b087">LiquidCrystal_SR.h</a>
</li>
<li>SR_RS_BIT
: <a class="el" href="_liquid_crystal___s_r_8h.html#afdaa2bbb2cc185700864ac8d7a570ced">LiquidCrystal_SR.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_t"></a>- t -</h3><ul>
<li>t_backlighPol
: <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bc">LCD.h</a>
</li>
<li>TWO_WIRE
: <a class="el" href="_liquid_crystal___s_r_8h.html#a40fb1f76bc5f8ca9e6534b47bd6da27c">LiquidCrystal_SR.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_w"></a>- w -</h3><ul>
<li>waitUsec()
: <a class="el" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">LCD.h</a>
</li>
</ul>
</div>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="contents">
&#160;
<h3><a class="anchor" id="index__"></a>- _ -</h3><ul>
<li>_I2CIO_VERSION
: <a class="el" href="_i2_c_i_o_8h.html#a218dbde2f6fda8c5825e25da10864c71">I2CIO.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_a"></a>- a -</h3><ul>
<li>ATOMIC_BLOCK
: <a class="el" href="_fast_i_o_8h.html#a04971fe5fabe4129736708c494e08e6d">FastIO.h</a>
</li>
<li>ATOMIC_RESTORESTATE
: <a class="el" href="_fast_i_o_8h.html#a362c18b15a09703e42e1c246c47420ef">FastIO.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_b"></a>- b -</h3><ul>
<li>BACKLIGHT_OFF
: <a class="el" href="_l_c_d_8h.html#a0f50ae3b4bdb42dd5ad74b2c604a7515">LCD.h</a>
</li>
<li>BACKLIGHT_ON
: <a class="el" href="_l_c_d_8h.html#aa5bad1c51f5fac029f3deacfef48c54b">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_c"></a>- c -</h3><ul>
<li>COMMAND
: <a class="el" href="_l_c_d_8h.html#ab0d87e07831e7e4943caef187872123e">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_d"></a>- d -</h3><ul>
<li>D4
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a3d9bb178282c3cb69740c94ba1e48fed">LiquidCrystal_SR3W.cpp</a>
</li>
<li>D5
: <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">LiquidCrystal_SR3W.cpp</a>
, <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a2ddd4183d444d6d128cbdbd6269e4e0c">LiquidCrystal_I2C.cpp</a>
</li>
<li>D6
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a79a18a7f5ccf7a7ca31f302bd62527a6">LiquidCrystal_SR3W.cpp</a>
</li>
<li>D7
: <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">LiquidCrystal_SR3W.cpp</a>
, <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a2ba78f059a7ebebc95e7beef690e88d6">LiquidCrystal_I2C.cpp</a>
</li>
<li>DATA
: <a class="el" href="_l_c_d_8h.html#aad9ae913bdfab20dd94ad04ee2d5b045">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_e"></a>- e -</h3><ul>
<li>EN
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a22e6626f2c98ed902f8ded47f6438c05">LiquidCrystal_SR3W.cpp</a>
</li>
<li>EXEC_TIME
: <a class="el" href="_liquid_crystal_8h.html#adebff0f00a59c9f9863bc196938d5726">LiquidCrystal.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_f"></a>- f -</h3><ul>
<li>fio_digitalWrite_HIGH
: <a class="el" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">FastIO.h</a>
</li>
<li>fio_digitalWrite_LOW
: <a class="el" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">FastIO.h</a>
</li>
<li>fio_digitalWrite_SWITCH
: <a class="el" href="_fast_i_o_8h.html#a6d1dffed7f0c8f28f6c88146315f7832">FastIO.h</a>
</li>
<li>fio_digitalWrite_SWITCHTO
: <a class="el" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">FastIO.h</a>
</li>
<li>FIO_FALLBACK
: <a class="el" href="_fast_i_o_8h.html#a32f90d0ad5c1295c97cc1e79936aadd6">FastIO.h</a>
</li>
<li>FOUR_BITS
: <a class="el" href="_l_c_d_8h.html#aa1e30e32b6c2cf8d90a9281328472dbe">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_h"></a>- h -</h3><ul>
<li>HOME_CLEAR_EXEC
: <a class="el" href="_l_c_d_8h.html#ad25b138788d83e67f840588754e2df2f">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_l"></a>- l -</h3><ul>
<li>LCD_1LINE
: <a class="el" href="_l_c_d_8h.html#a8c85cf88d8af66a47c42249d81c94641">LCD.h</a>
</li>
<li>LCD_2LINE
: <a class="el" href="_l_c_d_8h.html#a7987e93538df2819583ba43b81ddbb25">LCD.h</a>
</li>
<li>LCD_4BIT
: <a class="el" href="_liquid_crystal_8cpp.html#a31e1c14e8c2845dec3301f0ebd36b43c">LiquidCrystal.cpp</a>
</li>
<li>LCD_4BITMODE
: <a class="el" href="_l_c_d_8h.html#ab8c35d355d2372090c7a347e961c9224">LCD.h</a>
</li>
<li>LCD_5x10DOTS
: <a class="el" href="_l_c_d_8h.html#abb3210156d88d3fe18c9352eb161fe42">LCD.h</a>
</li>
<li>LCD_5x8DOTS
: <a class="el" href="_l_c_d_8h.html#a9ef57e724c1b846dae0f531aff6fb464">LCD.h</a>
</li>
<li>LCD_8BIT
: <a class="el" href="_liquid_crystal_8cpp.html#a57d84af8cf61ceee4eb91db77889f071">LiquidCrystal.cpp</a>
</li>
<li>LCD_8BITMODE
: <a class="el" href="_l_c_d_8h.html#a59a57ca857dae5d89eb5f2a38c4ac6f0">LCD.h</a>
</li>
<li>LCD_BACKLIGHT
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#ac059d24dfe9c1e1f7c07cb7869a1833b">LiquidCrystal_SR3W.cpp</a>
</li>
<li>LCD_BLINKOFF
: <a class="el" href="_l_c_d_8h.html#a4b28243034cec656b0ed490ba6979752">LCD.h</a>
</li>
<li>LCD_BLINKON
: <a class="el" href="_l_c_d_8h.html#ac3b19d4e6553b9bbf18a23387e439206">LCD.h</a>
</li>
<li>LCD_CLEARDISPLAY
: <a class="el" href="_l_c_d_8h.html#acc3509bc0442b41e2b816555de473ed2">LCD.h</a>
</li>
<li>LCD_CURSORMOVE
: <a class="el" href="_l_c_d_8h.html#ac21f0302ac4136775877d5f4759e4f74">LCD.h</a>
</li>
<li>LCD_CURSOROFF
: <a class="el" href="_l_c_d_8h.html#a32b194a3adaa0a0bb69acee2e6a754fa">LCD.h</a>
</li>
<li>LCD_CURSORON
: <a class="el" href="_l_c_d_8h.html#ab67f0adccde68de88eee0513fdfc4574">LCD.h</a>
</li>
<li>LCD_CURSORSHIFT
: <a class="el" href="_l_c_d_8h.html#a61f16a2b7550e4700f7898a7587c5594">LCD.h</a>
</li>
<li>LCD_DISPLAYCONTROL
: <a class="el" href="_l_c_d_8h.html#adfb8b2b8b8a08d7313504d7a4f89d99f">LCD.h</a>
</li>
<li>LCD_DISPLAYMOVE
: <a class="el" href="_l_c_d_8h.html#ab2f7b67abfac33f610acfd5d7a971f40">LCD.h</a>
</li>
<li>LCD_DISPLAYOFF
: <a class="el" href="_l_c_d_8h.html#a257ebe775cac7140cf82aa40d8ce545a">LCD.h</a>
</li>
<li>LCD_DISPLAYON
: <a class="el" href="_l_c_d_8h.html#a76236ae8317b34bbc98ea56bc0a2639c">LCD.h</a>
</li>
<li>LCD_ENTRYLEFT
: <a class="el" href="_l_c_d_8h.html#ae7c6309fce6200bd7526d090a4a84dd0">LCD.h</a>
</li>
<li>LCD_ENTRYMODESET
: <a class="el" href="_l_c_d_8h.html#a5597e1d5819ea2f0734ad4313abf6703">LCD.h</a>
</li>
<li>LCD_ENTRYRIGHT
: <a class="el" href="_l_c_d_8h.html#a43c26ba2e66880fac95ef640b56873ad">LCD.h</a>
</li>
<li>LCD_ENTRYSHIFTDECREMENT
: <a class="el" href="_l_c_d_8h.html#a049ee97e98d04788c1da9a55590fbe42">LCD.h</a>
</li>
<li>LCD_ENTRYSHIFTINCREMENT
: <a class="el" href="_l_c_d_8h.html#aa2cf1d0f4a319e53c009cffe1184466c">LCD.h</a>
</li>
<li>LCD_FUNCTIONSET
: <a class="el" href="_l_c_d_8h.html#aaef882ae70d1f485cd132815d9716111">LCD.h</a>
</li>
<li>LCD_MOVELEFT
: <a class="el" href="_l_c_d_8h.html#aafb86adb0dfca1e65d65b2cd1946a009">LCD.h</a>
</li>
<li>LCD_MOVERIGHT
: <a class="el" href="_l_c_d_8h.html#acf5999180233790bb2c9902efde58f7f">LCD.h</a>
</li>
<li>LCD_NOBACKLIGHT
: <a class="el" href="_liquid_crystal_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LiquidCrystal.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LiquidCrystal_SR3W.cpp</a>
, <a class="el" href="_liquid_crystal___i2_c_8cpp.html#a65fa786d6e31fe8b1aa51784a9736581">LiquidCrystal_I2C.cpp</a>
</li>
<li>LCD_RETURNHOME
: <a class="el" href="_l_c_d_8h.html#a154c86a887633d0f6d9988e4dbb1f419">LCD.h</a>
</li>
<li>LCD_SETCGRAMADDR
: <a class="el" href="_l_c_d_8h.html#aae6ea856879c11dee58493184582a52f">LCD.h</a>
</li>
<li>LCD_SETDDRAMADDR
: <a class="el" href="_l_c_d_8h.html#a15008b832807a208d9d88c74e6751ebf">LCD.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_r"></a>- r -</h3><ul>
<li>RS
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#af8903d8eea3868940c60af887473b152">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#af8903d8eea3868940c60af887473b152">LiquidCrystal_SR3W.cpp</a>
</li>
<li>RW
: <a class="el" href="_liquid_crystal___i2_c_8cpp.html#afc4ded33ac0ca43defcce639e965748a">LiquidCrystal_I2C.cpp</a>
, <a class="el" href="_liquid_crystal___s_r3_w_8cpp.html#afc4ded33ac0ca43defcce639e965748a">LiquidCrystal_SR3W.cpp</a>
</li>
</ul>
<h3><a class="anchor" id="index_s"></a>- s -</h3><ul>
<li>SKIP
: <a class="el" href="_fast_i_o_8h.html#a688a4adbb87520a2b68681bd6bfb199e">FastIO.h</a>
</li>
<li>SR2W_BL_MASK
: <a class="el" href="_liquid_crystal___s_r2_w_8h.html#a53e3add69865ae57ca872cb41fcae9e3">LiquidCrystal_SR2W.h</a>
</li>
<li>SR2W_DATA_MASK
: <a class="el" href="_liquid_crystal___s_r2_w_8h.html#a7cf86f2a173473d01e02b2ac786a8690">LiquidCrystal_SR2W.h</a>
</li>
<li>SR2W_EN_MASK
: <a class="el" href="_liquid_crystal___s_r2_w_8h.html#a8d17b6abb5bcde6883dbdc86d34be9d8">LiquidCrystal_SR2W.h</a>
</li>
<li>SR2W_RS_MASK
: <a class="el" href="_liquid_crystal___s_r2_w_8h.html#acce98b026d9fdcb2e126705c14af7500">LiquidCrystal_SR2W.h</a>
</li>
<li>SR_EN_BIT
: <a class="el" href="_liquid_crystal___s_r_8h.html#a0075b041d82abb47f279dce482e7b087">LiquidCrystal_SR.h</a>
</li>
<li>SR_RS_BIT
: <a class="el" href="_liquid_crystal___s_r_8h.html#afdaa2bbb2cc185700864ac8d7a570ced">LiquidCrystal_SR.h</a>
</li>
</ul>
<h3><a class="anchor" id="index_t"></a>- t -</h3><ul>
<li>TWO_WIRE
: <a class="el" href="_liquid_crystal___s_r_8h.html#a40fb1f76bc5f8ca9e6534b47bd6da27c">LiquidCrystal_SR.h</a>
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<li>NEGATIVE
: <a class="el" href="_l_c_d_8h.html#aeeef728bf4726268aa5e99391a1502bca62d66a51fa7574c652597716f7709865">LCD.h</a>
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&#160;<ul>
<li>fio_digitalRead()
: <a class="el" href="_fast_i_o_8cpp.html#a83fc2fdc19ab3f9aade9e1a2f39e81a6">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#a197336e47e1c3f929056ce3abbbc7e8d">FastIO.h</a>
</li>
<li>fio_digitalWrite()
: <a class="el" href="_fast_i_o_8h.html#ae91bbe682b02a5842c291055c0e998b5">FastIO.h</a>
, <a class="el" href="_fast_i_o_8cpp.html#ae91bbe682b02a5842c291055c0e998b5">FastIO.cpp</a>
</li>
<li>fio_pinToBit()
: <a class="el" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#a07a19dfbdca1afaca5d666bdaa3be7d5">FastIO.h</a>
</li>
<li>fio_pinToInputRegister()
: <a class="el" href="_fast_i_o_8h.html#afb934fc0ded94cbb5ed8ed14e2a123ed">FastIO.h</a>
, <a class="el" href="_fast_i_o_8cpp.html#afb934fc0ded94cbb5ed8ed14e2a123ed">FastIO.cpp</a>
</li>
<li>fio_pinToOutputRegister()
: <a class="el" href="_fast_i_o_8cpp.html#a04210cc785c3b4a11c86f794949c327f">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#a385ae40d960c1a57e86818332476a802">FastIO.h</a>
</li>
<li>fio_shiftOut()
: <a class="el" href="_fast_i_o_8cpp.html#a56c72b9f00680662229895ab22aaa743">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#a56c72b9f00680662229895ab22aaa743">FastIO.h</a>
</li>
<li>fio_shiftOut1()
: <a class="el" href="_fast_i_o_8h.html#af2aac35d9a8ab7a2c87672f2c7cbbafb">FastIO.h</a>
, <a class="el" href="_fast_i_o_8cpp.html#a7ac8b242e7e3cacf175e481889e047dd">FastIO.cpp</a>
</li>
<li>fio_shiftOut1_init()
: <a class="el" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">FastIO.cpp</a>
, <a class="el" href="_fast_i_o_8h.html#ae4b2e099f8ade9ee674d1565669e870a">FastIO.h</a>
, <a class="el" href="_fast_i_o_8cpp.html#a2d0e4495eb12504255bbd3f82405b17b">FastIO.cpp</a>
</li>
<li>waitUsec()
: <a class="el" href="_l_c_d_8h.html#a6eac41e4be58d7736ac0c19de225c0dc">LCD.h</a>
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<li>fio_bit
: <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">FastIO.h</a>
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<div id="projectbrief">LCD Library - LCD control class hierarchy library. Drop in replacement for the LiquidCrystal Library.</div>
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<div class="title">Class Hierarchy</div> </div>
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<div class="textblock">This inheritance list is sorted roughly, but not completely, alphabetically:</div><ul>
<li><a class="el" href="class_i2_c_i_o.html">I2CIO</a></li>
<li><a class="el" href="class_l_c_d.html">LCD</a><ul>
<li><a class="el" href="class_liquid_crystal.html">LiquidCrystal</a></li>
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print STDERR " -l tagfile\@linkName tag file + URL or directory \n";
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