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+   <div id="projectname">LCD Library&#160;<span id="projectnumber">1.2.0</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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+      <li><a href="files.html"><span>File&#160;List</span></a></li>
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+    </ul>
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+<div class="header">
+  <div class="summary">
+<a href="#func-members">Functions</a>  </div>
+  <div class="headertitle">
+<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/FastIO.cpp File Reference</div>  </div>
+</div>
+<div class="contents">
+<div class="textblock"><code>#include &quot;<a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>&quot;</code><br/>
+</div>
+<p><a href="_fast_i_o_8cpp_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<tr><td colspan="2"><h2><a name="func-members"></a>
+Functions</h2></td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">int&#160;</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>
+<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#a19962d1b3fc351693779f633a36105a8">fio_digitalWrite</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, uint8_t pinBit, uint8_t value)</td></tr>
+<tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="_fast_i_o_8cpp.html#abe64155b836ffa8a137eb17d17995f84">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_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#a8869ccb957fe8d64b1dc55fdd7fe342b">fio_shiftOut</a> (<a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> dataRegister, uint8_t dataBit, <a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, uint8_t 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)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div>
+<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#l00087">87</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a19962d1b3fc351693779f633a36105a8"></a><!-- doxytag: member="FastIO.cpp::fio_digitalWrite" ref="a19962d1b3fc351693779f633a36105a8" args="(fio_register pinRegister, uint8_t pinBit, uint8_t value)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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#l00071">71</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="abe64155b836ffa8a137eb17d17995f84"></a><!-- doxytag: member="FastIO.cpp::fio_pinToBit" ref="abe64155b836ffa8a137eb17d17995f84" args="(uint8_t pin)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">uint8_t fio_pinToBit </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>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#l00061">61</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="afb934fc0ded94cbb5ed8ed14e2a123ed"></a><!-- doxytag: member="FastIO.cpp::fio_pinToInputRegister" ref="afb934fc0ded94cbb5ed8ed14e2a123ed" args="(uint8_t pin)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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>
+</div>
+<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#l00049">49</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a04210cc785c3b4a11c86f794949c327f"></a><!-- doxytag: member="FastIO.cpp::fio_pinToOutputRegister" ref="a04210cc785c3b4a11c86f794949c327f" args="(uint8_t pin, uint8_t initial_state)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div>
+<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#l00033">33</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a8869ccb957fe8d64b1dc55fdd7fe342b"></a><!-- doxytag: member="FastIO.cpp::fio_shiftOut" ref="a8869ccb957fe8d64b1dc55fdd7fe342b" args="(fio_register dataRegister, uint8_t dataBit, fio_register clockRegister, uint8_t clockBit)" -->
+<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>
+        </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>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div>
+<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#l00126">126</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<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)" -->
+<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>
+        </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>
+</div>
+<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#l00100">100</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a7ac8b242e7e3cacf175e481889e047dd"></a><!-- doxytag: member="FastIO.cpp::fio_shiftOut1" ref="a7ac8b242e7e3cacf175e481889e047dd" args="(uint8_t pin, uint8_t value, boolean noLatch)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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#l00214">214</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<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)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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>
+</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">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#l00149">149</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.cpp::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#l00142">142</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.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#l00137">137</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+</div>
+<!-- window showing the filter options -->
+<div id="MSearchSelectWindow"
+     onmouseover="return searchBox.OnSearchSelectShow()"
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+<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/FastIO.cpp</div>  </div>
+</div>
+<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">// @todo:</span>
+<a name="l00026"></a>00026 <span class="comment">//  support chipkit:</span>
+<a name="l00027"></a>00027 <span class="comment">// (https://github.com/chipKIT32/chipKIT32-MAX/blob/master/hardware/pic32/</span>
+<a name="l00028"></a>00028 <span class="comment">//   cores/pic32/wiring_digital.c)</span>
+<a name="l00029"></a>00029 <span class="comment">// ---------------------------------------------------------------------------</span>
+<a name="l00030"></a>00030 
+<a name="l00031"></a>00031 <span class="preprocessor">#include &quot;<a class="code" href="_fast_i_o_8h.html">FastIO.h</a>&quot;</span>
+<a name="l00032"></a>00032 
+<a name="l00033"></a><a class="code" href="_fast_i_o_8h.html#a385ae40d960c1a57e86818332476a802">00033</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="l00034"></a>00034 {
+<a name="l00035"></a>00035         pinMode(pin, OUTPUT);
+<a name="l00036"></a>00036    
+<a name="l00037"></a>00037         <span class="keywordflow">if</span>(initial_state != <a class="code" href="_fast_i_o_8h.html#a688a4adbb87520a2b68681bd6bfb199e">SKIP</a>) 
+<a name="l00038"></a>00038    {
+<a name="l00039"></a>00039       digitalWrite(pin, initial_state); <span class="comment">// also turns off pwm timer</span>
+<a name="l00040"></a>00040    }
+<a name="l00041"></a>00041 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
+<a name="l00042"></a>00042 <span class="preprocessor"></span>        <span class="comment">//  just wasting memory if not using fast io...</span>
+<a name="l00043"></a>00043         <span class="keywordflow">return</span> 0;
+<a name="l00044"></a>00044 <span class="preprocessor">#else</span>
+<a name="l00045"></a>00045 <span class="preprocessor"></span>        <span class="keywordflow">return</span> portOutputRegister(digitalPinToPort(pin));
+<a name="l00046"></a>00046 <span class="preprocessor">#endif</span>
+<a name="l00047"></a>00047 <span class="preprocessor"></span>}
+<a name="l00048"></a>00048 
+<a name="l00049"></a><a class="code" href="_fast_i_o_8h.html#afb934fc0ded94cbb5ed8ed14e2a123ed">00049</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="l00050"></a>00050 {
+<a name="l00051"></a>00051         pinMode(pin, INPUT);
+<a name="l00052"></a>00052         digitalWrite(pin, LOW); <span class="comment">// also turns off pwm timer and pullup</span>
+<a name="l00053"></a>00053 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
+<a name="l00054"></a>00054 <span class="preprocessor"></span>        <span class="comment">//  just wasting memory if not using fast io...</span>
+<a name="l00055"></a>00055         <span class="keywordflow">return</span> 0;
+<a name="l00056"></a>00056 <span class="preprocessor">#else</span>
+<a name="l00057"></a>00057 <span class="preprocessor"></span>        <span class="keywordflow">return</span> portInputRegister(digitalPinToPort(pin));
+<a name="l00058"></a>00058 <span class="preprocessor">#endif</span>
+<a name="l00059"></a>00059 <span class="preprocessor"></span>}
+<a name="l00060"></a>00060 
+<a name="l00061"></a><a class="code" href="_fast_i_o_8h.html#a07a19dfbdca1afaca5d666bdaa3be7d5">00061</a> uint8_t <a class="code" href="_fast_i_o_8cpp.html#abe64155b836ffa8a137eb17d17995f84">fio_pinToBit</a>(uint8_t pin)
+<a name="l00062"></a>00062 {
+<a name="l00063"></a>00063 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
+<a name="l00064"></a>00064 <span class="preprocessor"></span>        <span class="comment">// (ab)use the bit variable to store the pin</span>
+<a name="l00065"></a>00065         <span class="keywordflow">return</span> pin;
+<a name="l00066"></a>00066 <span class="preprocessor">#else</span>
+<a name="l00067"></a>00067 <span class="preprocessor"></span>        <span class="keywordflow">return</span> digitalPinToBitMask(pin);
+<a name="l00068"></a>00068 <span class="preprocessor">#endif</span>
+<a name="l00069"></a>00069 <span class="preprocessor"></span>}
+<a name="l00070"></a>00070 
+<a name="l00071"></a><a class="code" href="_fast_i_o_8h.html#ae91bbe682b02a5842c291055c0e998b5">00071</a> <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a19962d1b3fc351693779f633a36105a8">fio_digitalWrite</a>(<a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> pinRegister, uint8_t pinBit, uint8_t value) 
+<a name="l00072"></a>00072 {
+<a name="l00073"></a>00073 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
+<a name="l00074"></a>00074 <span class="preprocessor"></span>        digitalWrite(pinBit, value);
+<a name="l00075"></a>00075 <span class="preprocessor">#else</span>
+<a name="l00076"></a>00076 <span class="preprocessor"></span>        <span class="keywordflow">if</span>(value == LOW)
+<a name="l00077"></a>00077    {
+<a name="l00078"></a>00078                 <a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a>(pinRegister,pinBit);
+<a name="l00079"></a>00079         }
+<a name="l00080"></a>00080    <span class="keywordflow">else</span>
+<a name="l00081"></a>00081    {
+<a name="l00082"></a>00082                 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(pinRegister,pinBit);
+<a name="l00083"></a>00083         }
+<a name="l00084"></a>00084 <span class="preprocessor">#endif</span>
+<a name="l00085"></a>00085 <span class="preprocessor"></span>}
+<a name="l00086"></a>00086 
+<a name="l00087"></a><a class="code" href="_fast_i_o_8h.html#a197336e47e1c3f929056ce3abbbc7e8d">00087</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="l00088"></a>00088 {
+<a name="l00089"></a>00089 <span class="preprocessor">#ifdef FIO_FALLBACK</span>
+<a name="l00090"></a>00090 <span class="preprocessor"></span>        <span class="keywordflow">return</span> digitalRead (pinBit);
+<a name="l00091"></a>00091 <span class="preprocessor">#else</span>
+<a name="l00092"></a>00092 <span class="preprocessor"></span>        <span class="keywordflow">if</span> (*pinRegister &amp; pinBit)
+<a name="l00093"></a>00093    {
+<a name="l00094"></a>00094       <span class="keywordflow">return</span> HIGH;
+<a name="l00095"></a>00095    }
+<a name="l00096"></a>00096         <span class="keywordflow">return</span> LOW;
+<a name="l00097"></a>00097 <span class="preprocessor">#endif</span>
+<a name="l00098"></a>00098 <span class="preprocessor"></span>}
+<a name="l00099"></a>00099 
+<a name="l00100"></a><a class="code" href="_fast_i_o_8h.html#a56c72b9f00680662229895ab22aaa743">00100</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 class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, 
+<a name="l00101"></a>00101                     <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit, uint8_t value, uint8_t bitOrder)
+<a name="l00102"></a>00102 {
+<a name="l00103"></a>00103         <span class="comment">// # disable interrupts</span>
+<a name="l00104"></a>00104         <span class="comment">// uint8_t oldSREG = SREG;</span>
+<a name="l00105"></a>00105         <span class="comment">// cli();</span>
+<a name="l00106"></a>00106         int8_t i;
+<a name="l00107"></a>00107 
+<a name="l00108"></a>00108         <span class="keywordflow">for</span>(i = 0; i &lt; 8; i++)
+<a name="l00109"></a>00109    {
+<a name="l00110"></a>00110                 <span class="keywordflow">if</span> (bitOrder == LSBFIRST)
+<a name="l00111"></a>00111       {
+<a name="l00112"></a>00112                         <a class="code" href="_fast_i_o_8cpp.html#a19962d1b3fc351693779f633a36105a8">fio_digitalWrite</a>(dataRegister, dataBit, !!(value &amp; (1 &lt;&lt; i)));
+<a name="l00113"></a>00113                 }
+<a name="l00114"></a>00114       <span class="keywordflow">else</span>
+<a name="l00115"></a>00115       {
+<a name="l00116"></a>00116                         <a class="code" href="_fast_i_o_8cpp.html#a19962d1b3fc351693779f633a36105a8">fio_digitalWrite</a>(dataRegister, dataBit, !!(value &amp; (1 &lt;&lt; (7 - i))));
+<a name="l00117"></a>00117                 }
+<a name="l00118"></a>00118                 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a> (clockRegister, clockBit);
+<a name="l00119"></a>00119                 <span class="comment">// Switching is a little bit faster</span>
+<a name="l00120"></a>00120                 <a class="code" href="_fast_i_o_8h.html#a6d1dffed7f0c8f28f6c88146315f7832">fio_digitalWrite_SWITCH</a> (clockRegister,clockBit);
+<a name="l00121"></a>00121         }
+<a name="l00122"></a>00122         <span class="comment">// # enable interrupts</span>
+<a name="l00123"></a>00123         <span class="comment">// SREG = oldSREG;</span>
+<a name="l00124"></a>00124 }
+<a name="l00125"></a>00125 
+<a name="l00126"></a><a class="code" href="_fast_i_o_8h.html#a5d8d5977294d614d15bda19f75d6b787">00126</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, uint8_t dataBit, <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a> clockRegister, uint8_t clockBit)
+<a name="l00127"></a>00127 {
+<a name="l00128"></a>00128         <span class="comment">// shift out 0x0 (B00000000) fast, byte order is irrelevant</span>
+<a name="l00129"></a>00129         <a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">fio_digitalWrite_LOW</a> (dataRegister, dataBit);
+<a name="l00130"></a>00130 
+<a name="l00131"></a>00131         <span class="keywordflow">for</span>(uint8_t i = 0; i&lt;8; ++i)
+<a name="l00132"></a>00132    {
+<a name="l00133"></a>00133                 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a> (clockRegister, clockBit);
+<a name="l00134"></a>00134                 <a class="code" href="_fast_i_o_8h.html#a6d1dffed7f0c8f28f6c88146315f7832">fio_digitalWrite_SWITCH</a> (clockRegister, clockBit);
+<a name="l00135"></a>00135         }
+<a name="l00136"></a>00136 }
+<a name="l00137"></a><a class="code" href="_fast_i_o_8h.html#ae4b2e099f8ade9ee674d1565669e870a">00137</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="l00138"></a>00138 {
+<a name="l00139"></a>00139         <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#abe64155b836ffa8a137eb17d17995f84">fio_pinToBit</a>(pin));
+<a name="l00140"></a>00140 }
+<a name="l00141"></a>00141 
+<a name="l00142"></a><a class="code" href="_fast_i_o_8h.html#a2d0e4495eb12504255bbd3f82405b17b">00142</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="l00143"></a>00143 {
+<a name="l00144"></a>00144         <span class="comment">// Make sure that capacitors are charged</span>
+<a name="l00145"></a>00145         <span class="comment">// 300us is an educated guess...</span>
+<a name="l00146"></a>00146         <a class="code" href="_fast_i_o_8cpp.html#a19962d1b3fc351693779f633a36105a8">fio_digitalWrite</a>(shift1Register,shift1Bit,HIGH);
+<a name="l00147"></a>00147         delayMicroseconds(300);
+<a name="l00148"></a>00148 }
+<a name="l00149"></a><a class="code" href="_fast_i_o_8h.html#a33ce251dcd6b448185cda415a99001cf">00149</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, <span class="keywordtype">boolean</span> noLatch)
+<a name="l00150"></a>00150 {
+<a name="l00151"></a>00151         <span class="comment">/*</span>
+<a name="l00152"></a>00152 <span class="comment">         * this function are based on Shif1 protocol developed by Roman Black (http://www.romanblack.com/shift1.htm)</span>
+<a name="l00153"></a>00153 <span class="comment">         *</span>
+<a name="l00154"></a>00154 <span class="comment">         * test sketches:</span>
+<a name="l00155"></a>00155 <span class="comment">         *      http://pastebin.com/raw.php?i=2hnC9v2Z</span>
+<a name="l00156"></a>00156 <span class="comment">         *      http://pastebin.com/raw.php?i=bGg4DhXQ</span>
+<a name="l00157"></a>00157 <span class="comment">         *      http://pastebin.com/raw.php?i=tg1ZFiM5</span>
+<a name="l00158"></a>00158 <span class="comment">         *    http://pastebin.com/raw.php?i=93ExPDD3 - cascading</span>
+<a name="l00159"></a>00159 <span class="comment">         * tested with:</span>
+<a name="l00160"></a>00160 <span class="comment">         *      TPIC6595N - seems to work fine (circuit: http://www.3guys1laser.com/</span>
+<a name="l00161"></a>00161 <span class="comment">    *                   arduino-one-wire-shift-register-prototype)</span>
+<a name="l00162"></a>00162 <span class="comment">         *      7HC595N</span>
+<a name="l00163"></a>00163 <span class="comment">         */</span>
+<a name="l00164"></a>00164         <span class="comment">// disable interrupts since timing is going to be critical</span>
+<a name="l00165"></a>00165         uint8_t oldSREG;
+<a name="l00166"></a>00166         oldSREG = SREG;
+<a name="l00167"></a>00167         cli();
+<a name="l00168"></a>00168 
+<a name="l00169"></a>00169         <span class="comment">// iterate but ignore last bit (is it correct now?)</span>
+<a name="l00170"></a>00170         <span class="keywordflow">for</span>(int8_t i = 7; i&gt;=0; --i)
+<a name="l00171"></a>00171    {
+<a name="l00172"></a>00172 
+<a name="l00173"></a>00173                 <span class="comment">// assume that pin is HIGH (smokin&#39; pot all day... :) - requires initialization</span>
+<a name="l00174"></a>00174                 <span class="keywordflow">if</span>(LOW==!!(value &amp; (1 &lt;&lt; i)))
+<a name="l00175"></a>00175       {
+<a name="l00176"></a>00176                         <span class="comment">// LOW = 0 Bit</span>
+<a name="l00177"></a>00177                         <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,LOW);
+<a name="l00178"></a>00178                         <span class="comment">// hold pin LOW for 15us</span>
+<a name="l00179"></a>00179                         delayMicroseconds(15);
+<a name="l00180"></a>00180                         <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,HIGH);
+<a name="l00181"></a>00181                         <span class="comment">// hold pin HIGH for 30us</span>
+<a name="l00182"></a>00182                         delayMicroseconds(30);
+<a name="l00183"></a>00183                 }
+<a name="l00184"></a>00184       <span class="keywordflow">else</span>
+<a name="l00185"></a>00185       {
+<a name="l00186"></a>00186                         <span class="comment">// HIGH = 1 Bit</span>
+<a name="l00187"></a>00187                         <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,LOW);
+<a name="l00188"></a>00188                         <span class="comment">//hold pin LOW for 1us - done! :)</span>
+<a name="l00189"></a>00189                         <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,HIGH);
+<a name="l00190"></a>00190                         <span class="comment">//hold pin HIGH for 15us</span>
+<a name="l00191"></a>00191                         delayMicroseconds(15);
+<a name="l00192"></a>00192                 }
+<a name="l00193"></a>00193                 <span class="keywordflow">if</span>(!noLatch &amp;&amp; i==1)
+<a name="l00194"></a>00194       {
+<a name="l00195"></a>00195          <span class="keywordflow">break</span>;
+<a name="l00196"></a>00196       }
+<a name="l00197"></a>00197         }
+<a name="l00198"></a>00198    
+<a name="l00199"></a>00199         <span class="keywordflow">if</span>(!noLatch)
+<a name="l00200"></a>00200    {
+<a name="l00201"></a>00201                 <span class="comment">// send last bit (=LOW) and Latch command</span>
+<a name="l00202"></a>00202                 <a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">fio_digitalWrite_SWITCHTO</a>(shift1Register,shift1Bit,LOW);
+<a name="l00203"></a>00203                 <span class="comment">// Hold pin low for 200us</span>
+<a name="l00204"></a>00204                 delayMicroseconds(199);
+<a name="l00205"></a>00205                 <a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(shift1Register,shift1Bit);
+<a name="l00206"></a>00206                 <span class="comment">// Hold pin high for 300us and leave it that way - using explicit HIGH here, just in case.</span>
+<a name="l00207"></a>00207                 delayMicroseconds(299);
+<a name="l00208"></a>00208         }
+<a name="l00209"></a>00209 
+<a name="l00210"></a>00210         <span class="comment">// enable interrupts</span>
+<a name="l00211"></a>00211         SREG = oldSREG;
+<a name="l00212"></a>00212 
+<a name="l00213"></a>00213 }
+<a name="l00214"></a><a class="code" href="_fast_i_o_8h.html#af2aac35d9a8ab7a2c87672f2c7cbbafb">00214</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="l00215"></a>00215 {
+<a name="l00216"></a>00216         <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#abe64155b836ffa8a137eb17d17995f84">fio_pinToBit</a>(pin),value, noLatch);
+<a name="l00217"></a>00217 }
+</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="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/FastIO.h File Reference</div>  </div>
+</div>
+<div class="contents">
+<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/>
+<code>#include &lt;util/delay.h&gt;</code><br/>
+</div>
+<p><a href="_fast_i_o_8h_source.html">Go to the source code of this file.</a></p>
+<table class="memberdecls">
+<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="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">fio_digitalWrite_HIGH</a>(reg, bit)&#160;&#160;&#160;digitalWrite(bit,HIGH)</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#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>
+<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#a32f90d0ad5c1295c97cc1e79936aadd6">FIO_FALLBACK</a></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#a688a4adbb87520a2b68681bd6bfb199e">SKIP</a>&#160;&#160;&#160;0x23</td></tr>
+<tr><td colspan="2"><h2><a name="typedef-members"></a>
+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>
+<tr><td colspan="2"><h2><a name="func-members"></a>
+Functions</h2></td></tr>
+<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>
+</table>
+<hr/><h2>Define Documentation</h2>
+<a class="anchor" id="a89e1c62276052100c62b6c82a2e95622"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite_HIGH" ref="a89e1c62276052100c62b6c82a2e95622" args="(reg, bit)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define fio_digitalWrite_HIGH</td>
+          <td>(</td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">reg, </td>
+        </tr>
+        <tr>
+          <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,HIGH)</td>
+        </tr>
+      </table>
+</div>
+<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#l00126">126</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="ac8f00a1bccb98109531b88fbb6e91478"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite_LOW" ref="ac8f00a1bccb98109531b88fbb6e91478" args="(reg, bit)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define fio_digitalWrite_LOW</td>
+          <td>(</td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">reg, </td>
+        </tr>
+        <tr>
+          <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,LOW)</td>
+        </tr>
+      </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00127">127</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a6d1dffed7f0c8f28f6c88146315f7832"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite_SWITCH" ref="a6d1dffed7f0c8f28f6c88146315f7832" args="(reg, bit)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define fio_digitalWrite_SWITCH</td>
+          <td>(</td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">reg, </td>
+        </tr>
+        <tr>
+          <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>
+        </tr>
+      </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00128">128</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="accae9687fdfc5f3492fb6344d62eb190"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite_SWITCHTO" ref="accae9687fdfc5f3492fb6344d62eb190" args="(reg, bit, val)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define fio_digitalWrite_SWITCHTO</td>
+          <td>(</td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">reg, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">bit, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">&#160;</td>
+          <td class="paramname">val&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td>&#160;&#160;&#160;digitalWrite(bit,val);</td>
+        </tr>
+      </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00129">129</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a32f90d0ad5c1295c97cc1e79936aadd6"></a><!-- doxytag: member="FastIO.h::FIO_FALLBACK" ref="a32f90d0ad5c1295c97cc1e79936aadd6" args="" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define FIO_FALLBACK</td>
+        </tr>
+      </table>
+</div>
+<div class="memdoc">
+<p>Enables IO digitalRead/digitalWrite fall back for non-AVR architectures. </p>
+
+<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00049">49</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a688a4adbb87520a2b68681bd6bfb199e"></a><!-- doxytag: member="FastIO.h::SKIP" ref="a688a4adbb87520a2b68681bd6bfb199e" args="" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">#define SKIP&#160;&#160;&#160;0x23</td>
+        </tr>
+      </table>
+</div>
+<div class="memdoc">
+<p>Skip setting IO outputs during IO configuration or when getting the output register associated to an IO pin.k </p>
+
+<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>
+
+</div>
+</div>
+<hr/><h2>Typedef Documentation</h2>
+<a class="anchor" id="a0a595a88b29bcfd1540b6fac75787937"></a><!-- doxytag: member="FastIO.h::fio_bit" ref="a0a595a88b29bcfd1540b6fac75787937" args="" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">typedef uint8_t <a class="el" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a></td>
+        </tr>
+      </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00063">63</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="ae44ea3af54ef26db03f1ae2ea62f9c1f"></a><!-- doxytag: member="FastIO.h::fio_register" ref="ae44ea3af54ef26db03f1ae2ea62f9c1f" args="" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">typedef uint8_t <a class="el" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a></td>
+        </tr>
+      </table>
+</div>
+<div class="memdoc">
+
+<p>Definition at line <a class="el" href="_fast_i_o_8h_source.html#l00070">70</a> of file <a class="el" href="_fast_i_o_8h_source.html">FastIO.h</a>.</p>
+
+</div>
+</div>
+<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)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div>
+<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#l00087">87</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="ae91bbe682b02a5842c291055c0e998b5"></a><!-- doxytag: member="FastIO.h::fio_digitalWrite" ref="ae91bbe682b02a5842c291055c0e998b5" args="(fio_register pinRegister, fio_bit pinBit, uint8_t value)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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#l00071">71</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a07a19dfbdca1afaca5d666bdaa3be7d5"></a><!-- doxytag: member="FastIO.h::fio_pinToBit" ref="a07a19dfbdca1afaca5d666bdaa3be7d5" args="(uint8_t pin)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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>
+      </table>
+</div>
+<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#l00061">61</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="afb934fc0ded94cbb5ed8ed14e2a123ed"></a><!-- doxytag: member="FastIO.h::fio_pinToInputRegister" ref="afb934fc0ded94cbb5ed8ed14e2a123ed" args="(uint8_t pin)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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>
+</div>
+<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#l00049">49</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<a class="anchor" id="a385ae40d960c1a57e86818332476a802"></a><!-- doxytag: member="FastIO.h::fio_pinToOutputRegister" ref="a385ae40d960c1a57e86818332476a802" args="(uint8_t pin, uint8_t initial_state=LOW)" -->
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <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>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div>
+<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#l00033">33</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<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)" -->
+<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>
+        </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>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div>
+<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#l00126">126</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<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>
+        </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>
+</div>
+<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#l00100">100</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<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">
+        <tr>
+          <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>
+</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">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#l00149">149</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+<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">
+        <tr>
+          <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#l00214">214</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#l00142">142</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#l00137">137</a> of file <a class="el" href="_fast_i_o_8cpp_source.html">FastIO.cpp</a>.</p>
+
+</div>
+</div>
+</div>
+<!-- window showing the filter options -->
+<div id="MSearchSelectWindow"
+     onmouseover="return searchBox.OnSearchSelectShow()"
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+<div class="title">/Users/fmalpartida/development/ardWorkspace/LiquidCrystal_I2C/LiquiCrystal_I2C/FastIO.h</div>  </div>
+</div>
+<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">//</span>
+<a name="l00025"></a>00025 <span class="comment">// @todo:</span>
+<a name="l00026"></a>00026 <span class="comment">//  support chipkit:</span>
+<a name="l00027"></a>00027 <span class="comment">// (https://github.com/chipKIT32/chipKIT32-MAX/blob/master/hardware/pic32/</span>
+<a name="l00028"></a>00028 <span class="comment">//   cores/pic32/wiring_digital.c)</span>
+<a name="l00029"></a>00029 <span class="comment">// ---------------------------------------------------------------------------</span>
+<a name="l00030"></a>00030 <span class="preprocessor">#ifndef FAST_IO_H</span>
+<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define FAST_IO_H</span>
+<a name="l00032"></a>00032 <span class="preprocessor"></span>
+<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>
+<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;pins_arduino.h&gt;</span> <span class="comment">// pleasing sanguino core</span>
+<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;inttypes.h&gt;</span>
+<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;util/delay.h&gt;</span>
+<a name="l00042"></a>00042 
+<a name="l00048"></a>00048 <span class="preprocessor">#ifndef __AVR__</span>
+<a name="l00049"></a><a class="code" href="_fast_i_o_8h.html#a32f90d0ad5c1295c97cc1e79936aadd6">00049</a> <span class="preprocessor"></span><span class="preprocessor">#define FIO_FALLBACK</span>
+<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
+<a name="l00051"></a>00051 <span class="preprocessor"></span>
+<a name="l00052"></a>00052 <span class="comment">// PUBLIC CONSTANTS DEFINITIONS</span>
+<a name="l00053"></a>00053 <span class="comment">// ---------------------------------------------------------------------------</span>
+<a name="l00059"></a><a class="code" href="_fast_i_o_8h.html#a688a4adbb87520a2b68681bd6bfb199e">00059</a> <span class="comment"></span><span class="preprocessor">#define SKIP 0x23</span>
+<a name="l00060"></a>00060 <span class="preprocessor"></span>
+<a name="l00061"></a>00061 <span class="comment">// PUBLIC TYPE DEFINITIONS</span>
+<a name="l00062"></a>00062 <span class="comment">// ---------------------------------------------------------------------------</span>
+<a name="l00063"></a><a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">00063</a> <span class="keyword">typedef</span> uint8_t <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a>;
+<a name="l00064"></a>00064 
+<a name="l00065"></a>00065 
+<a name="l00066"></a>00066 <span class="preprocessor">#ifndef FIO_FALLBACK</span>
+<a name="l00067"></a>00067 <span class="preprocessor"></span><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="l00068"></a>00068 <span class="preprocessor">#else</span>
+<a name="l00069"></a>00069 <span class="preprocessor"></span><span class="comment">// remove volatile to give optimizer a chance</span>
+<a name="l00070"></a><a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">00070</a> <span class="keyword">typedef</span> uint8_t <a class="code" href="_fast_i_o_8h.html#ae44ea3af54ef26db03f1ae2ea62f9c1f">fio_register</a>;
+<a name="l00071"></a>00071 <span class="preprocessor">#endif</span>
+<a name="l00072"></a>00072 <span class="preprocessor"></span>
+<a name="l00080"></a>00080 <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="l00081"></a>00081 
+<a name="l00089"></a>00089 <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="l00090"></a>00090 
+<a name="l00098"></a>00098 <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> <a class="code" href="_fast_i_o_8cpp.html#abe64155b836ffa8a137eb17d17995f84">fio_pinToBit</a>(uint8_t pin);
+<a name="l00099"></a>00099 
+<a name="l00100"></a>00100 
+<a name="l00110"></a>00110 <span class="comment">// __attribute__ ((always_inline)) /* let the optimizer decide that for now */</span>
+<a name="l00111"></a>00111 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#a19962d1b3fc351693779f633a36105a8">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="l00112"></a>00112 
+<a name="l00119"></a>00119 <span class="preprocessor">#ifndef FIO_FALLBACK</span>
+<a name="l00120"></a>00120 <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_LOW(reg,bit) *reg &amp;= ~bit</span>
+<a name="l00121"></a>00121 <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_HIGH(reg,bit) *reg |= bit</span>
+<a name="l00122"></a>00122 <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_SWITCH(reg,bit) *reg ^= bit</span>
+<a name="l00123"></a>00123 <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_SWITCHTO(reg,bit,val) fio_digitalWrite_SWITCH(reg,bit)</span>
+<a name="l00124"></a>00124 <span class="preprocessor"></span><span class="preprocessor">#else</span>
+<a name="l00125"></a>00125 <span class="preprocessor"></span><span class="comment">// reg -&gt; dummy NULL, bit -&gt; pin</span>
+<a name="l00126"></a><a class="code" href="_fast_i_o_8h.html#a89e1c62276052100c62b6c82a2e95622">00126</a> <span class="preprocessor">#define fio_digitalWrite_HIGH(reg,bit) digitalWrite(bit,HIGH)</span>
+<a name="l00127"></a><a class="code" href="_fast_i_o_8h.html#ac8f00a1bccb98109531b88fbb6e91478">00127</a> <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_LOW(reg,bit) digitalWrite(bit,LOW)</span>
+<a name="l00128"></a><a class="code" href="_fast_i_o_8h.html#a6d1dffed7f0c8f28f6c88146315f7832">00128</a> <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_SWITCH(reg,bit) digitalWrite(bit, !digitalRead(bit))</span>
+<a name="l00129"></a><a class="code" href="_fast_i_o_8h.html#accae9687fdfc5f3492fb6344d62eb190">00129</a> <span class="preprocessor"></span><span class="preprocessor">#define fio_digitalWrite_SWITCHTO(reg,bit,val) digitalWrite(bit,val);</span>
+<a name="l00130"></a>00130 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
+<a name="l00131"></a>00131 <span class="preprocessor"></span>
+<a name="l00141"></a>00141 <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="l00142"></a>00142 
+<a name="l00154"></a>00154 <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="l00155"></a>00155                    <a class="code" href="_fast_i_o_8h.html#a0a595a88b29bcfd1540b6fac75787937">fio_bit</a> clockBit, uint8_t value, uint8_t bitOrder );
+<a name="l00156"></a>00156 
+<a name="l00167"></a>00167 <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="l00168"></a>00168 
+<a name="l00177"></a>00177 <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="l00185"></a>00185 <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="l00193"></a>00193 <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="l00200"></a>00200 <span class="keywordtype">void</span> <a class="code" href="_fast_i_o_8cpp.html#ae4b2e099f8ade9ee674d1565669e870a">fio_shiftOut1_init</a>(uint8_t pin);
+<a name="l00201"></a>00201 
+<a name="l00202"></a>00202 <span class="preprocessor">#endif // FAST_IO_H</span>
+</pre></div></div>
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