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<div class="title">DS3232RTC.h</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<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>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
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<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>
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<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>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef DS3232RTC_h</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define DS3232RTC_h</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "RTC.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">class </span><a class="code" href="classI2CMaster.html" title="Abstract base class for I2C master implementations.">I2CMaster</a>;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="classDS3232RTC.html"> 30</a></span> <span class="keyword">class </span><a class="code" href="classDS3232RTC.html" title="Communicates with a DS3232 realtime clock chip via I2C.">DS3232RTC</a> : <span class="keyword">public</span> <a class="code" href="classRTC.html" title="Base class for realtime clock handlers.">RTC</a> {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="classDS3232RTC.html#aa959454ae01b11c48d6ec7ec192b4ccb" title="Attaches to a realtime clock slave device on bus.">DS3232RTC</a>(<a class="code" href="classI2CMaster.html" title="Abstract base class for I2C master implementations.">I2CMaster</a> &bus, uint8_t oneHzPin = 255);</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="classDS3232RTC.html#acc5908a3743afb4c26bd75e22cad87a4"> 34</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classDS3232RTC.html#acc5908a3743afb4c26bd75e22cad87a4" title="Returns true if the realtime clock is on the I2C bus; false if the time and date are simulated...">isRealTime</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _isRealTime; }</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">bool</span> <a class="code" href="classDS3232RTC.html#a619ffee1bc013c9ddf4ae415115798bc" title="Returns true if the realtime clock has updated since the last call to this function.">hasUpdates</a>();</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#af89e68c68f1c4b7e94286f800b5b2747" title="Reads the current time from the realtime clock into value.">readTime</a>(<a class="code" href="structRTCTime.html" title="Stores time information from a realtime clock chip.">RTCTime</a> *value);</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#ab03358e3b5996e38d766e2f9f6ab62ca" title="Reads the current date from the realtime clock into value.">readDate</a>(<a class="code" href="structRTCDate.html" title="Stores date information from a realtime clock chip.">RTCDate</a> *value);</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#ab0ca13a8b80da856b37fc53b84e27c78" title="Updates the time in the realtime clock to match value.">writeTime</a>(<span class="keyword">const</span> <a class="code" href="structRTCTime.html" title="Stores time information from a realtime clock chip.">RTCTime</a> *value);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#a31c004a90c724979d8267c31f2dbf5ed" title="Updates the date in the realtime clock to match value.">writeDate</a>(<span class="keyword">const</span> <a class="code" href="structRTCDate.html" title="Stores date information from a realtime clock chip.">RTCDate</a> *value);</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#a09c7073c687dcbbc423baf48074c7873" title="Reads the details of the alarm with index alarmNum into value.">readAlarm</a>(uint8_t alarmNum, <a class="code" href="structRTCAlarm.html" title="Stores alarm information from a realtime clock chip.">RTCAlarm</a> *value);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#a8b0a65e0ac479aec8fad6ca3147dbe75" title="Updates the details of the alarm with index alarmNum from value.">writeAlarm</a>(uint8_t alarmNum, <span class="keyword">const</span> <a class="code" href="structRTCAlarm.html" title="Stores alarm information from a realtime clock chip.">RTCAlarm</a> *value);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">int</span> <a class="code" href="classDS3232RTC.html#a1319fe936dcb7e9d6bdf200b77a94f8e" title="Returns the number of bytes of non-volatile memory that can be used for storage of arbitrary settings...">byteCount</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  uint8_t <a class="code" href="classDS3232RTC.html#a5ba83a3ef7d65d45c2f3241afdd8fef7" title="Reads the byte at offset within the realtime clock's non-volatile memory.">readByte</a>(uint8_t offset);</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#a9acebf12c5cecdd6d84e0ff9ed41765a" title="Writes value to offset within the realtime clock's non-volatile memory.">writeByte</a>(uint8_t offset, uint8_t value);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">int</span> <a class="code" href="classDS3232RTC.html#a0faf40c25ab019a326a60f301c2bb41b" title="Reads the value of the temperature sensor and returns the temperature in quarters of a degree celcius...">readTemperature</a>();</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#ab91e79271a1f8e75b07bddbb04445dc9" title="Enables the generation of interrupts for alarms 0 and 1.">enableAlarmInterrupts</a>();</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#a225b8c62d617aa1b7be7d20e8a033be9" title="Disables the generation of interrupts for alarms 0 and 1.">disableAlarmInterrupts</a>();</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">int</span> <a class="code" href="classDS3232RTC.html#a79649f100a4562b9c1ba7c69e85cbca3" title="Determines which of alarms 0 or 1 have fired since the last call.">firedAlarm</a>();</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#a3966de6f4241d86f198a8b9dd5e7e59a" title="Enables the 32 kHz output on the DS3232 chip.">enable32kHzOutput</a>();</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">void</span> <a class="code" href="classDS3232RTC.html#ada732bae42fc2833e59ae293aa27ddcb" title="Disables the 32 kHz output on the DS3232 chip.">disable32kHzOutput</a>();</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="classI2CMaster.html" title="Abstract base class for I2C master implementations.">I2CMaster</a> *_bus;</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  uint8_t _oneHzPin;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">bool</span> prevOneHz;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">bool</span> _isRealTime;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">bool</span> alarmInterrupts;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> initAlarms();</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  uint8_t readRegister(uint8_t reg);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">bool</span> writeRegister(uint8_t reg, uint8_t value);</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">void</span> updateAlarmInterrupts();</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> };</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif</span></div>
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