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<div class="title">Charlieplex.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2012 Southern Storm Software, Pty Ltd.</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"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</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"> * The above copyright notice and this permission notice shall be included</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef Charlieplex_h</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define Charlieplex_h</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <inttypes.h></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="code" href="classCharlieplex.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classCharlieplex.html" title="Manage an array of LED's in a charlieplexed arrangement.">Charlieplex</a></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classCharlieplex.html#abfb0d0456bcbadbf60c21f615adacdbd" title="Constructs a new charliexplexing array where the output pins are specified by the numPins entries in ...">Charlieplex</a>(<span class="keyword">const</span> uint8_t *pins, uint8_t numPins);</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="classCharlieplex.html#a4dbe37ccba8ba18139f4e710afdcd103" title="Destroys this charlieplexed array.">~Charlieplex</a>();</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="classCharlieplex.html#a5008aa4143d381ce34a3aed1a3843e4e"> 34</a></span>  <span class="keywordtype">int</span> <a class="code" href="classCharlieplex.html#a5008aa4143d381ce34a3aed1a3843e4e" title="Returns the number of LED's in this charlieplexed array based on the number of pins.">count</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _count; }</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="code" href="classCharlieplex.html#a90fd09f24b62424b0b7b8bcdb0140b9d"> 36</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCharlieplex.html#a90fd09f24b62424b0b7b8bcdb0140b9d" title="Returns the value of the LED at index in the charplexed array; true if lit; false if not lit...">led</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _values[index] != 0; }</div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="classCharlieplex.html#ab103c9687a0890faf72e4da79e3de0a5"> 37</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCharlieplex.html#ab103c9687a0890faf72e4da79e3de0a5" title="Sets the value of the LED at index in the charliplexed array.">setLed</a>(<span class="keywordtype">int</span> index, <span class="keywordtype">bool</span> value) { _values[index] = (value ? 255 : 0); }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="classCharlieplex.html#a89312f2fd1d27c4e56346ed9cccfb9f6"> 39</a></span>  uint8_t <a class="code" href="classCharlieplex.html#a89312f2fd1d27c4e56346ed9cccfb9f6" title="Returns the PWM value of the LED at index in the charplexed array; between 0 and 255.">pwmLed</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _values[index]; }</div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="classCharlieplex.html#a605a302e13005a1aa3d68d0e22bc474b"> 40</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCharlieplex.html#a605a302e13005a1aa3d68d0e22bc474b" title="Sets the PWM value of the LED at index in the charliplexed array; between 0 and 255.">setPwmLed</a>(<span class="keywordtype">int</span> index, uint8_t value) { _values[index] = value; }</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="classCharlieplex.html#abb429659a7b1ee4c7306ea659050cb30"> 42</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="classCharlieplex.html#abb429659a7b1ee4c7306ea659050cb30" title="Returns the number of microseconds that each LED should be held on for before moving onto the next in...">holdTime</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _holdTime; }</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="code" href="classCharlieplex.html#a8502f4c752faba37023ced587695f6a4"> 43</a></span>  <span class="keywordtype">void</span> <a class="code" href="classCharlieplex.html#a8502f4c752faba37023ced587695f6a4" title="Sets the number of microseconds that each LED should be held on for before moving onto the next in lo...">setHoldTime</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> us) { _holdTime = us; }</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">void</span> <a class="code" href="classCharlieplex.html#a8313edeacd8387c428b8299d52584d6a" title="Runs the multiplexing loop, to display the LED states on the charlieplexed array.">loop</a>();</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">void</span> <a class="code" href="classCharlieplex.html#a3c961bfff866e400dad371f0376f096b" title="Refreshes the charlieplexed array by advancing to the next LED that needs to be lit.">refresh</a>();</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">int</span> _count;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint8_t *_pins1;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  uint8_t *_pins2;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uint8_t *_values;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> _holdTime;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> _lastTime;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">int</span> _currentIndex;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  uint8_t _pwmPhase;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> };</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> <span class="preprocessor">#endif</span></div>
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