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<li class="navelem"><a class="el" href="dir_52c912f73dac9c4c0e442232e1b2bd80.html">hal</a></li><li class="navelem"><a class="el" href="dir_f2b50fdf5983ac8db5dbb1f1d585f6a3.html">architecture</a></li><li class="navelem"><a class="el" href="dir_2da663e7113b27ce0318f74a151d3c42.html">AVR</a></li><li class="navelem"><a class="el" href="dir_e8fd3757b06374a76290346d0f9c2e43.html">drivers</a></li><li class="navelem"><a class="el" href="dir_b99e6e88c4520f9d055b0f64c2f8a6d5.html">DigitalIO</a></li> </ul>
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<div class="title">DigitalPin.h</div> </div>
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<a href="_digital_pin_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* Arduino DigitalIO Library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2013 by William Greiman</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This file is part of the Arduino DigitalIO Library</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This Library is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This Library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with the Arduino DigitalIO Library. If not, see</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#ifndef DigitalPin_h</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#define DigitalPin_h</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#if defined(__AVR__) || defined(DOXYGEN)</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <avr/io.h></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">struct </span>GpioPinMap_t {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">volatile</span> uint8_t* pin; </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">volatile</span> uint8_t* ddr; </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">volatile</span> uint8_t* port; </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  uint8_t mask; </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> };</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#define GPIO_PIN(reg, bit) {&PIN##reg, &DDR##reg, &PORT##reg, 1 << bit}</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// Include pin map for current board.</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include "boards/GpioPinMap.h"</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"></span><span class="keywordtype">void</span> badPinNumber(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <a class="code" href="union____attribute____.html">__attribute__</a>((error(<span class="stringliteral">"Pin number is too large or not a constant"</span>)));</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keywordtype">void</span> badPinCheck(uint8_t pin)</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (!__builtin_constant_p(pin) || pin >= NUM_DIGITAL_PINS) {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  badPinNumber();</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">volatile</span> uint8_t* ddrReg(uint8_t pin)</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  badPinCheck(pin);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> GpioPinMap[pin].ddr;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> uint8_t pinMask(uint8_t pin)</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  badPinCheck(pin);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> GpioPinMap[pin].mask;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">volatile</span> uint8_t* pinReg(uint8_t pin)</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  badPinCheck(pin);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> GpioPinMap[pin].pin;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">volatile</span> uint8_t* portReg(uint8_t pin)</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  badPinCheck(pin);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> GpioPinMap[pin].port;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keywordtype">void</span> fastBitWriteSafe(<span class="keyword">volatile</span> uint8_t* address, uint8_t mask, <span class="keywordtype">bool</span> level)</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  uint8_t s;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (address > <span class="keyword">reinterpret_cast<</span>uint8_t*<span class="keyword">></span>(0X3F)) {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  s = SREG;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  cli();</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (level) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  *address |= mask;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  *address &= ~mask;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (address > <span class="keyword">reinterpret_cast<</span>uint8_t*<span class="keyword">></span>(0X3F)) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  SREG = s;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keywordtype">bool</span> fastDigitalRead(uint8_t pin)</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> *pinReg(pin) & pinMask(pin);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">void</span> fastDigitalToggle(uint8_t pin)</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (pinReg(pin) > <span class="keyword">reinterpret_cast<</span>uint8_t*<span class="keyword">></span>(0X3F)) {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// must write bit to high address port</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  *pinReg(pin) = pinMask(pin);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// will compile to sbi and PIN register will not be read.</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  *pinReg(pin) |= pinMask(pin);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keywordtype">void</span> fastDigitalWrite(uint8_t pin, <span class="keywordtype">bool</span> level)</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  fastBitWriteSafe(portReg(pin), pinMask(pin), level);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">void</span> fastDdrWrite(uint8_t pin, <span class="keywordtype">bool</span> level)</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  fastBitWriteSafe(ddrReg(pin), pinMask(pin), level);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> }</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keywordtype">void</span> fastPinMode(uint8_t pin, uint8_t mode)</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  fastDdrWrite(pin, mode == OUTPUT);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (mode != OUTPUT) {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  fastDigitalWrite(pin, mode == INPUT_PULLUP);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#else // defined(__AVR__)</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor">#if defined(CORE_TEENSY)</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="keywordtype">bool</span> fastDigitalRead(uint8_t pin)</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> *portInputRegister(pin);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keywordtype">void</span> fastDigitalWrite(uint8_t pin, <span class="keywordtype">bool</span> value)</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (value) {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  *portSetRegister(pin) = 1;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  *portClearRegister(pin) = 1;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> }</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#elif defined(__SAM3X8E__) || defined(__SAM3X8H__)</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="keywordtype">bool</span> fastDigitalRead(uint8_t pin)</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> g_APinDescription[pin].pPort->PIO_PDSR & g_APinDescription[pin].ulPin;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keywordtype">void</span> fastDigitalWrite(uint8_t pin, <span class="keywordtype">bool</span> value)</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> {</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (value) {</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  g_APinDescription[pin].pPort->PIO_SODR = g_APinDescription[pin].ulPin;</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  g_APinDescription[pin].pPort->PIO_CODR = g_APinDescription[pin].ulPin;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor">#elif defined(ESP8266)</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="keywordtype">void</span> fastDigitalWrite(uint8_t pin, uint8_t val)</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> {</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">if</span> (pin < 16) {</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (val) {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  GPOS = (1 << pin);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  GPOC = (1 << pin);</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pin == 16) {</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> (val) {</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  GP16O |= 1;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  GP16O &= ~1;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> }</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"></span><span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="keywordtype">bool</span> fastDigitalRead(uint8_t pin)</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> {</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">if</span> (pin < 16) {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> GPIP(pin);</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pin == 16) {</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> GP16I & 0x01;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  }</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="preprocessor">#else // CORE_TEENSY</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> fastDigitalWrite(uint8_t pin, <span class="keywordtype">bool</span> value)</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> {</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  digitalWrite(pin, value);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> }</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> fastDigitalRead(uint8_t pin)</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> {</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> digitalRead(pin);</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="preprocessor">#endif // CORE_TEENSY</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> fastDigitalToggle(uint8_t pin)</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> {</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  fastDigitalWrite(pin, !fastDigitalRead(pin));</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> }</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> fastPinMode(uint8_t pin, uint8_t mode)</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> {</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  pinMode(pin, mode);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> }</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="preprocessor">#endif // __AVR__</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"><a class="line" href="group__digital_pin.html#gaeea7c59480c0a4e25aad3890545cef52"> 310</a></span> <span class="comment"></span><span class="preprocessor">#define fastPinConfig(pin, mode, level)\</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="preprocessor"> {fastPinMode(pin, mode); fastDigitalWrite(pin, level);}</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"></span><span class="keyword">template</span><u<span class="keywordtype">int</span>8_t PinNumber></div>
<div class="line"><a name="l00318"></a><span class="lineno"><a class="line" href="class_digital_pin.html"> 318</a></span> <span class="keyword">class </span><a class="code" href="class_digital_pin.html">DigitalPin</a></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> {</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"><a class="line" href="class_digital_pin.html#ab68480b09df5c4794c95cdf2230d4c55"> 323</a></span> <span class="comment"></span> <a class="code" href="class_digital_pin.html#ab68480b09df5c4794c95cdf2230d4c55">DigitalPin</a>() {}</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"><a class="line" href="class_digital_pin.html#a4bd165a425e413a19936c0b679f06721"> 331</a></span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="class_digital_pin.html">DigitalPin</a> & <a class="code" href="class_digital_pin.html#a4bd165a425e413a19936c0b679f06721">operator = </a>(<span class="keywordtype">bool</span> value) <a class="code" href="class_digital_pin.html#ab4fc8fec45e7a3b4f67015e598e692c5">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  {</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  write(value);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"><a class="line" href="class_digital_pin.html#ad023b1932c2e4c9f7439a9dc18693928"> 340</a></span> <span class="comment"></span> <span class="keyword">inline</span> <span class="keyword">operator</span> bool () const <a class="code" href="union____attribute____.html">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  {</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">return</span> read();</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  }</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="class_digital_pin.html#ab4fc8fec45e7a3b4f67015e598e692c5">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordtype">void</span> <a class="code" href="structconfig.html">config</a>(uint8_t mode, <span class="keywordtype">bool</span> level)</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <a class="code" href="group__digital_pin.html#gaeea7c59480c0a4e25aad3890545cef52">fastPinConfig</a>(PinNumber, mode, level);</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"><a class="line" href="class_digital_pin.html#a9aa7e041bc461fd606a8addde8d3e626"> 359</a></span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="class_digital_pin.html#a9aa7e041bc461fd606a8addde8d3e626">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordtype">void</span> high()</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  {</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  write(<span class="keyword">true</span>);</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  }</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"><a class="line" href="class_digital_pin.html#a92fe52bb4eed0980341d3648a4728370"> 368</a></span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="class_digital_pin.html#a92fe52bb4eed0980341d3648a4728370">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordtype">void</span> low()</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  {</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  write(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  }</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"><a class="line" href="class_digital_pin.html#a7bc1ea5682605cf3a2b42c68b2a4e846"> 381</a></span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="class_digital_pin.html#a7bc1ea5682605cf3a2b42c68b2a4e846">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordtype">void</span> mode(uint8_t mode)</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  {</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  fastPinMode(PinNumber, mode);</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"><a class="line" href="class_digital_pin.html#a8db3de077c6fdc128f2a755ef44a4580"> 388</a></span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="class_digital_pin.html#a8db3de077c6fdc128f2a755ef44a4580">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordtype">bool</span> read()<span class="keyword"> const</span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">return</span> fastDigitalRead(PinNumber);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00399"></a><span class="lineno"><a class="line" href="class_digital_pin.html#a2241ba366410e362e614e9e67c8c1c5a"> 399</a></span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="class_digital_pin.html#a2241ba366410e362e614e9e67c8c1c5a">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordtype">void</span> toggle()</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  {</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  fastDigitalToggle(PinNumber);</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="comment">//----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"><a class="line" href="class_digital_pin.html#ac2b41de03a4f7800b25702c99cda6ad5"> 409</a></span> <span class="comment"></span> <span class="keyword">inline</span> <a class="code" href="class_digital_pin.html#ac2b41de03a4f7800b25702c99cda6ad5">__attribute__</a>((always_inline))</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keywordtype">void</span> write(<span class="keywordtype">bool</span> value)</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  fastDigitalWrite(PinNumber, value);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> };</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="preprocessor">#endif // DigitalPin_h</span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  </div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructconfig_html"><div class="ttname"><a href="structconfig.html">config</a></div><div class="ttdef"><b>Definition:</b> config.h:27</div></div>
<div class="ttc" id="aclass_digital_pin_html_ab68480b09df5c4794c95cdf2230d4c55"><div class="ttname"><a href="class_digital_pin.html#ab68480b09df5c4794c95cdf2230d4c55">DigitalPin::DigitalPin</a></div><div class="ttdeci">DigitalPin()</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:323</div></div>
<div class="ttc" id="aclass_digital_pin_html_ab4fc8fec45e7a3b4f67015e598e692c5"><div class="ttname"><a href="class_digital_pin.html#ab4fc8fec45e7a3b4f67015e598e692c5">DigitalPin::__attribute__</a></div><div class="ttdeci">__attribute__((always_inline)) void config(uint8_t mode</div></div>
<div class="ttc" id="aclass_digital_pin_html_a9aa7e041bc461fd606a8addde8d3e626"><div class="ttname"><a href="class_digital_pin.html#a9aa7e041bc461fd606a8addde8d3e626">DigitalPin::__attribute__</a></div><div class="ttdeci">__attribute__((always_inline)) void high()</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:359</div></div>
<div class="ttc" id="aclass_digital_pin_html_a92fe52bb4eed0980341d3648a4728370"><div class="ttname"><a href="class_digital_pin.html#a92fe52bb4eed0980341d3648a4728370">DigitalPin::__attribute__</a></div><div class="ttdeci">__attribute__((always_inline)) void low()</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:368</div></div>
<div class="ttc" id="aclass_digital_pin_html_a8db3de077c6fdc128f2a755ef44a4580"><div class="ttname"><a href="class_digital_pin.html#a8db3de077c6fdc128f2a755ef44a4580">DigitalPin::__attribute__</a></div><div class="ttdeci">__attribute__((always_inline)) bool read() const</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:388</div></div>
<div class="ttc" id="agroup__digital_pin_html_gaeea7c59480c0a4e25aad3890545cef52"><div class="ttname"><a href="group__digital_pin.html#gaeea7c59480c0a4e25aad3890545cef52">fastPinConfig</a></div><div class="ttdeci">#define fastPinConfig(pin, mode, level)</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:310</div></div>
<div class="ttc" id="aclass_digital_pin_html_a4bd165a425e413a19936c0b679f06721"><div class="ttname"><a href="class_digital_pin.html#a4bd165a425e413a19936c0b679f06721">DigitalPin::operator=</a></div><div class="ttdeci">DigitalPin & operator=(bool value) __attribute__((always_inline))</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:331</div></div>
<div class="ttc" id="aunion____attribute_____html"><div class="ttname"><a href="union____attribute____.html">__attribute__</a></div><div class="ttdoc">FW config structure, stored in eeprom.</div><div class="ttdef"><b>Definition:</b> MyMessage.h:619</div></div>
<div class="ttc" id="aclass_digital_pin_html_a7bc1ea5682605cf3a2b42c68b2a4e846"><div class="ttname"><a href="class_digital_pin.html#a7bc1ea5682605cf3a2b42c68b2a4e846">DigitalPin::__attribute__</a></div><div class="ttdeci">__attribute__((always_inline)) void mode(uint8_t mode)</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:381</div></div>
<div class="ttc" id="aclass_digital_pin_html"><div class="ttname"><a href="class_digital_pin.html">DigitalPin</a></div><div class="ttdoc">Fast digital port I/O.</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:318</div></div>
<div class="ttc" id="aclass_digital_pin_html_a2241ba366410e362e614e9e67c8c1c5a"><div class="ttname"><a href="class_digital_pin.html#a2241ba366410e362e614e9e67c8c1c5a">DigitalPin::__attribute__</a></div><div class="ttdeci">__attribute__((always_inline)) void toggle()</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:399</div></div>
<div class="ttc" id="aclass_digital_pin_html_ac2b41de03a4f7800b25702c99cda6ad5"><div class="ttname"><a href="class_digital_pin.html#ac2b41de03a4f7800b25702c99cda6ad5">DigitalPin::__attribute__</a></div><div class="ttdeci">__attribute__((always_inline)) void write(bool value)</div><div class="ttdef"><b>Definition:</b> DigitalPin.h:409</div></div>
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