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<div class="title">RTC.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 RTC_h</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define RTC_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="structRTCTime.html"> 28</a></span> <span class="keyword">struct </span><a class="code" href="structRTCTime.html" title="Stores time information from a realtime clock chip.">RTCTime</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"><a class="code" href="structRTCTime.html#a98ba717092ef856dd2b773ba02fcb1a4"> 30</a></span>  uint8_t <a class="code" href="structRTCTime.html#a98ba717092ef856dd2b773ba02fcb1a4" title="Hour of the day (0-23)">hour</a>;</div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="code" href="structRTCTime.html#acf2161ca037080dc4b767e636ad8db84"> 31</a></span>  uint8_t <a class="code" href="structRTCTime.html#acf2161ca037080dc4b767e636ad8db84" title="Minute within the hour (0-59)">minute</a>;</div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="code" href="structRTCTime.html#a87b7c02e535d808dcba04c77e34abb91"> 32</a></span>  uint8_t <a class="code" href="structRTCTime.html#a87b7c02e535d808dcba04c77e34abb91" title="Second within the minute (0-59)">second</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"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="structRTCDate.html"> 35</a></span> <span class="keyword">struct </span><a class="code" href="structRTCDate.html" title="Stores date information from a realtime clock chip.">RTCDate</a></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="structRTCDate.html#a7d31822daff3c3fc947386abd897732f"> 37</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRTCDate.html#a7d31822daff3c3fc947386abd897732f" title="Year (4-digit)">year</a>;</div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="structRTCDate.html#a6e6196059b36186041a5312400ea9202"> 38</a></span>  uint8_t <a class="code" href="structRTCDate.html#a6e6196059b36186041a5312400ea9202" title="Month of the year (1-12)">month</a>;</div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="structRTCDate.html#a2d68ff3fb90240df522b41222362704c"> 39</a></span>  uint8_t <a class="code" href="structRTCDate.html#a2d68ff3fb90240df522b41222362704c" title="Day of the month (1-31)">day</a>;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> };</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="structRTCAlarm.html"> 42</a></span> <span class="keyword">struct </span><a class="code" href="structRTCAlarm.html" title="Stores alarm information from a realtime clock chip.">RTCAlarm</a></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> {</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="structRTCAlarm.html#a75bdc42acd3ab3ad495680c6b6a34692"> 44</a></span>  uint8_t <a class="code" href="structRTCAlarm.html#a75bdc42acd3ab3ad495680c6b6a34692" title="Hour of the day for the alarm (0-23).">hour</a>;</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="structRTCAlarm.html#ad9a75ceb4b4b3474baa66dd5466e62fe"> 45</a></span>  uint8_t <a class="code" href="structRTCAlarm.html#ad9a75ceb4b4b3474baa66dd5466e62fe" title="Minute of the hour for the alarm (0-59).">minute</a>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="structRTCAlarm.html#a0f2ef7363cb60a26642d5295b77ca19e"> 46</a></span>  uint8_t <a class="code" href="structRTCAlarm.html#a0f2ef7363cb60a26642d5295b77ca19e" title="Additional flags for the alarm.">flags</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> </div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="classRTC.html"> 49</a></span> <span class="keyword">class </span><a class="code" href="classRTC.html" title="Base class for realtime clock handlers.">RTC</a></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> {</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classRTC.html#ada31c5120d18d2dd2863b3d440308da2" title="Constructs a new realtime clock handler.">RTC</a>();</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  ~<a class="code" href="classRTC.html" title="Base class for realtime clock handlers.">RTC</a>();</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="classRTC.html#ab2ca0cbee608ec32d3d6e04d40298f11"> 55</a></span>  <span class="keyword">enum</span> <a class="code" href="classRTC.html#ab2ca0cbee608ec32d3d6e04d40298f11" title="Day of the week corresponding to a date.">DayOfWeek</a></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  Monday = 1,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  Tuesday,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  Wednesday,</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  Thursday,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  Friday,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  Saturday,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  Sunday,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  };</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classRTC.html#a3690761f29654a2c9e676fcbfa32dd30" title="Returns true if the realtime clock has updated since the last call to this function.">hasUpdates</a>();</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>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#aaf0a5c1f32f210a49718d148620b5bec" 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>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#aa1e21bf42ebd4456919744ae0f4f631e" 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>
<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="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#a102e2ec15bf0273d8f7e9ce4b6dcc96e" 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>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#ae667600d05c8e7b06a93574dd068a4d7" 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>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="classRTC.html#aee5ae8f600ee5296e65635c0d836fca3"> 74</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> uint8_t <a class="code" href="classRTC.html#aee5ae8f600ee5296e65635c0d836fca3" title="Number of alarms that are supported by RTC::readAlarm() and RTC::writeAlarm().">ALARM_COUNT</a> = 4;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#ade282d7a60147c3f0269f1fcd59c8d66" 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>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#a0e96c91efd9e7a6340effdae3eadf17e" 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>
<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>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classRTC.html#acfdebfb449710e44e11f9a3675e14fd8" 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>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">virtual</span> uint8_t <a class="code" href="classRTC.html#a0f47b10b436e3f9d36e04ec907579431" title="Reads the byte at offset within the realtime clock's non-volatile memory.">readByte</a>(uint8_t offset);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#a1cab6397ec04b1e2b3feea5b3cd1f749" title="Writes value to offset within the realtime clock's non-volatile memory.">writeByte</a>(uint8_t offset, uint8_t value);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="code" href="classRTC.html#a9ed5480b362a83f1f45c4d3bcf7c3bf8"> 83</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classRTC.html#a9ed5480b362a83f1f45c4d3bcf7c3bf8" title="Value that is returned from readTemperature() if the realtime clock chip cannot determine the tempera...">NO_TEMPERATURE</a> = 32767;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classRTC.html#aeca3c8387332e8cabfd09c1806276e5a" title="Reads the value of the temperature sensor and returns the temperature in quarters of a degree celcius...">readTemperature</a>();</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Flags for adjustDays(), adjustMonths(), and adjustYears().</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="code" href="classRTC.html#aacbe3ebbf893685950b05327c11d5c37"> 88</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> uint8_t <a class="code" href="classRTC.html#aacbe3ebbf893685950b05327c11d5c37" title="Increment the day, month, or year in a call to adjustDays(), adjustMonths(), or adjustYears().">INCREMENT</a> = 0x0000;</div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="code" href="classRTC.html#a05b1bd1479afc80682abdd4f3e58dc6f"> 89</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> uint8_t <a class="code" href="classRTC.html#a05b1bd1479afc80682abdd4f3e58dc6f" title="Decrement the day, month, or year in a call to adjustDays(), adjustMonths(), or adjustYears().">DECREMENT</a> = 0x0001;</div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="code" href="classRTC.html#a02ace2d775063be9a99035851c9274eb"> 90</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> uint8_t <a class="code" href="classRTC.html#a02ace2d775063be9a99035851c9274eb" title="Wrap around to the beginning of the current month/year rather than advance to the next one...">WRAP</a> = 0x0002;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#adc29d7c43efc5a192d21965da5c3ee1d" title="Adjusts date up or down one day according to flags.">adjustDays</a>(<a class="code" href="structRTCDate.html" title="Stores date information from a realtime clock chip.">RTCDate</a> *date, uint8_t flags);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#aeca597e6e37a05716e664242f9cfc5f4" title="Adjusts date up or down one month according to flags.">adjustMonths</a>(<a class="code" href="structRTCDate.html" title="Stores date information from a realtime clock chip.">RTCDate</a> *date, uint8_t flags);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classRTC.html#a31d10cb2f7cac8839bd4be2d858b802d" title="Adjusts date up or down one year according to flags.">adjustYears</a>(<a class="code" href="structRTCDate.html" title="Stores date information from a realtime clock chip.">RTCDate</a> *date, uint8_t flags);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">static</span> <a class="code" href="classRTC.html#ab2ca0cbee608ec32d3d6e04d40298f11" title="Day of the week corresponding to a date.">DayOfWeek</a> <a class="code" href="classRTC.html#a525a9c1dad89613708f47a683eb316aa" title="Returns the day of the week corresponding to date.">dayOfWeek</a>(<span class="keyword">const</span> <a class="code" href="structRTCDate.html" title="Stores date information from a realtime clock chip.">RTCDate</a> *date);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> midnight;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="structRTCDate.html" title="Stores date information from a realtime clock chip.">RTCDate</a> date;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="structRTCAlarm.html" title="Stores alarm information from a realtime clock chip.">RTCAlarm</a> alarms[<a class="code" href="classRTC.html#aee5ae8f600ee5296e65635c0d836fca3" title="Number of alarms that are supported by RTC::readAlarm() and RTC::writeAlarm().">ALARM_COUNT</a>];</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  uint8_t *nvram;</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> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#endif</span></div>
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