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550 lines
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<div id="projectname">LCD Library <span id="projectnumber">1.2.1</span></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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<a href="#func-members">Functions</a> </div>
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<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/FastIO.cpp File Reference</div> </div>
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</div>
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<div class="contents">
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<div class="textblock"><code>#include "<a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>"</code><br/>
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</div>
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<p><a href="_fast_i_o_8cpp_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr><td colspan="2"><h2><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#a83fc2fdc19ab3f9aade9e1a2f39e81a6">fio_digitalRead</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, uint8_t pinBit)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.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>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#a07a19dfbdca1afaca5d666bdaa3be7d5">fio_pinToBit</a> (uint8_t pin)</td></tr>
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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> </td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#afb934fc0ded94cbb5ed8ed14e2a123ed">fio_pinToInputRegister</a> (uint8_t pin)</td></tr>
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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> </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>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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</table>
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<hr/><h2>Function Documentation</h2>
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<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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> </td>
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<td class="paramname"><em>pinRegister</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> </td>
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<td class="paramname"><em>pinBit</em> </td>
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<td>)</td>
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<div class="memdoc">
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<p>direct digital read without any checks falls back to normal digitalRead if fast io is disabled </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">pinRegister[in]</td><td>Register - ignored if fast io is disabled </td></tr>
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<tr><td class="paramname">pinBit[in]</td><td>Bit - Pin if fast io is disabled </td></tr>
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</table>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>Value read from pin </dd></dl>
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<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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> </td>
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<td class="paramname"><em>pinRegister</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> </td>
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<td class="paramname"><em>pinBit</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>value</em> </td>
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<td></td>
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<td>)</td>
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<div class="memdoc">
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<p>direct digital write without any checks falls back to normal digitalWrite if fast io is disabled </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">pinRegister[in]</td><td>Register - ignored if fast digital write is disabled </td></tr>
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<tr><td class="paramname">pinBit[in]</td><td>Bit - Pin if fast digital write is disabled </td></tr>
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<tr><td class="paramname">value[in]</td><td>desired output </td></tr>
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</table>
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</dd>
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<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>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<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>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="return"><dt><b>Returns:</b></dt><dd>Bit </dd></dl>
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<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>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<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>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
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</table>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>Register </dd></dl>
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<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>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>pin</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>initial_state</em> = <code>LOW</code> </td>
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<td></td>
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<td>)</td>
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<div class="memdoc">
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<p>Get the output register for specified pin. if fast digital IO is disabled this function returns NULL </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">pin[in]</td><td>Number of a digital pin </td></tr>
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</table>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>Register </dd></dl>
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<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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> </td>
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<td class="paramname"><em>dataRegister</em>, </td>
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<td class="paramname"><em>dataBit</em>, </td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> </td>
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<td class="paramname"><em>clockRegister</em>, </td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> </td>
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<td class="paramname"><em>clockBit</em> </td>
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<p>faster shift out clear using fast digital write falls back to normal digitalWrite if fastio is disabled </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">dataRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
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<tr><td class="paramname">dataBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
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<tr><td class="paramname">clockRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
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<tr><td class="paramname">clockBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
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</dd>
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<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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<div class="memitem">
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<table class="memname">
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<td class="memname">void fio_shiftOut </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> </td>
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<td class="paramname"><em>dataRegister</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> </td>
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<td class="paramname"><em>dataBit</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> </td>
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<td class="paramname"><em>clockRegister</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> </td>
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<td class="paramname"><em>clockBit</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>value</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>bitOrder</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div>
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<div class="memdoc">
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<p>faster shift out using fast digital write falls back to normal digitalWrite if fastio is disabled </p>
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<dl><dt><b>Parameters:</b></dt><dd>
|
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<table class="params">
|
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<tr><td class="paramname">dataRegister[in]</td><td>Register of data pin - ignored if fast digital write is disabled </td></tr>
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<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>
|
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<tr><td class="paramname">clockBit[in]</td><td>Bit of data pin - Pin if fast digital write is disabled </td></tr>
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<tr><td class="paramname">bitOrder[in]</td><td>bit order </td></tr>
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</table>
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</dd>
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</dl>
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<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>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>pin</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>value</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">boolean </td>
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<td class="paramname"><em>noLatch</em> = <code>false</code> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<div class="memdoc">
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<p>one wire shift out protocol needs initialisation (fio_shiftOut1_init) </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
|
|
<tr><td class="paramname">pin[in]</td><td>digital pin </td></tr>
|
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<tr><td class="paramname">value[in]</td><td>value to shift out, last byte is ignored and always shifted out LOW </td></tr>
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</table>
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</dd>
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</dl>
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<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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> </td>
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<td class="paramname"><em>shift1Register</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> </td>
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<td class="paramname"><em>shift1Bit</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>value</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">boolean </td>
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<td class="paramname"><em>noLatch</em> = <code>false</code> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div>
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<div class="memdoc">
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<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>
|
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<tr><td class="paramname">shift1Bit[in]</td><td>pins bit </td></tr>
|
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<tr><td class="paramname">value[in]</td><td>value to shift out, last byte is ignored and always shifted out LOW </td></tr>
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</table>
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</dd>
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<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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> </td>
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<td class="paramname"><em>shift1Register</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> </td>
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<td class="paramname"><em>shift1Bit</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>initializes one wire shift out protocol Puts pin to HIGH state and delays until Capacitors are charged. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">shift1Register[in]</td><td>pins register </td></tr>
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<tr><td class="paramname">shift1Bit[in]</td><td>pins bit </td></tr>
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</table>
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</dd>
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<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)" -->
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<td class="memname">void fio_shiftOut1_init </td>
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<td>(</td>
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<td class="paramtype">uint8_t </td>
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<td class="paramname"><em>pin</em></td><td>)</td>
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<td></td>
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<div class="memdoc">
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<p>initializes one wire shift out protocol Puts pin to HIGH state and delays until Capacitors are charged. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table class="params">
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<tr><td class="paramname">pin[in]</td><td>digital pin </td></tr>
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</table>
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</dd>
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</dl>
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<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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