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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"> Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - <http://www.fabgl.com></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (c) 2019-2021 Fabrizio Di Vittorio.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> All rights reserved.</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 file is part of FabGL Library.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"></span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> FabGL is free software: you can redistribute it and/or modify</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> the Free Software Foundation, either version 3 of the License, or</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> (at your option) any later version.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> FabGL is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> GNU General Public License for more details.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> along with FabGL. If not, see <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</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> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifdef ARDUINO</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <time.h></span></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="preprocessor">#include "freertos/FreeRTOS.h"</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="_d_s3231_8h.html">DS3231.h</a>"</span></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"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#define DS3231_ADDR 0x68</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#define DS3231_FREQ 400000</span></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="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span><a class="code" href="namespacefabgl.html">fabgl</a> {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</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> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </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"> 49</span> DateTime::DateTime(<span class="keywordtype">int</span> seconds_, <span class="keywordtype">int</span> minutes_, <span class="keywordtype">int</span> hours_, <span class="keywordtype">int</span> dayOfMonth_, <span class="keywordtype">int</span> month_, <span class="keywordtype">int</span> year_)</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  : seconds(seconds_),</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  minutes(minutes_),</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  hours(hours_),</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  dayOfMonth(dayOfMonth_),</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  month(month_),</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  year(year_)</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>  calcDayOfWeek();</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> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// 1 = sunday</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keywordtype">void</span> DateTime::calcDayOfWeek()</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">static</span> <span class="keyword">const</span> int8_t t[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">int</span> y = year - (month < 3);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  dayOfWeek = 1 + (y + y / 4 - y / 100 + y / 400 + t[month - 1] + dayOfMonth) % 7;</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> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// has 2038 unix bug!!</span></div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="structfabgl_1_1_date_time_ae255b9bee770d76a5cfae70591c922c3.html#ae255b9bee770d76a5cfae70591c922c3"> 71</a></span> time_t DateTime::timestamp(<span class="keywordtype">int</span> timezone)</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  tm m;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  m.tm_sec = seconds;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  m.tm_min = minutes;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  m.tm_hour = hours;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  m.tm_mday = dayOfMonth;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  m.tm_mon = month - 1;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  m.tm_year = year - 1900;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  m.tm_isdst = 0;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> mktime(&m) - 3600 * timezone;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> DS3231::DS3231()</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  : m_i2c(nullptr),</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  m_available(false),</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  m_dateTimeValid(false)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</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> </div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classfabgl_1_1_d_s3231_acd45c96e11bf7479f3a75d4cd4975878.html#acd45c96e11bf7479f3a75d4cd4975878"> 97</a></span> <span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_d_s3231_acd45c96e11bf7479f3a75d4cd4975878.html#acd45c96e11bf7479f3a75d4cd4975878">DS3231::begin</a>(<a class="code" href="classfabgl_1_1_i2_c.html">I2C</a> * i2c)</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  m_i2c = i2c;</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>  <span class="comment">// check oscillator stop flag</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  uint8_t status = readReg(0x0F);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (m_available)</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  m_dateTimeValid = (status & 0x80) == 0;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> uint8_t DS3231::readReg(<span class="keywordtype">int</span> reg)</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> {</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  uint8_t b = reg;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  m_i2c-><a class="code" href="classfabgl_1_1_i2_c_a5683609bed861f2c075c25d935029e3f.html#a5683609bed861f2c075c25d935029e3f">write</a>(DS3231_ADDR, &b, 1, DS3231_FREQ);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  m_available = m_i2c-><a class="code" href="classfabgl_1_1_i2_c_aee6d332047f3429253a95c94c59cccd9.html#aee6d332047f3429253a95c94c59cccd9">read</a>(DS3231_ADDR, &b, 1, DS3231_FREQ);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> b;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keywordtype">bool</span> DS3231::writeReg(<span class="keywordtype">int</span> reg, <span class="keywordtype">int</span> value)</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  uint8_t buf[2] = { (uint8_t)reg, (uint8_t)value };</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> m_i2c-><a class="code" href="classfabgl_1_1_i2_c_a5683609bed861f2c075c25d935029e3f.html#a5683609bed861f2c075c25d935029e3f">write</a>(DS3231_ADDR, buf, 2, DS3231_FREQ);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> }</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> </div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classfabgl_1_1_d_s3231_a6eccbc9a02a68038bebb4c9a610b8f7f.html#a6eccbc9a02a68038bebb4c9a610b8f7f"> 124</a></span> <a class="code" href="structfabgl_1_1_date_time.html">DateTime</a> <span class="keyword">const</span> & <a class="code" href="classfabgl_1_1_d_s3231_a6eccbc9a02a68038bebb4c9a610b8f7f.html#a6eccbc9a02a68038bebb4c9a610b8f7f">DS3231::datetime</a>()</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>  <span class="comment">// read 7 registers starting from reg 0</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  uint8_t b = 0;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  m_i2c-><a class="code" href="classfabgl_1_1_i2_c_a5683609bed861f2c075c25d935029e3f.html#a5683609bed861f2c075c25d935029e3f">write</a>(DS3231_ADDR, &b, 1, DS3231_FREQ);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  uint8_t buf[7];</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  m_available = m_i2c-><a class="code" href="classfabgl_1_1_i2_c_aee6d332047f3429253a95c94c59cccd9.html#aee6d332047f3429253a95c94c59cccd9">read</a>(DS3231_ADDR, buf, 7, DS3231_FREQ);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">// decode</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (m_available) {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_a45bbbde67ef492a5d10a9d519f86984c.html#a45bbbde67ef492a5d10a9d519f86984c">seconds</a> = (buf[0] & 0x0f) + ((buf[0] & 0x70) >> 4) * 10;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_ab376075e230a393b480cdd45fe454c75.html#ab376075e230a393b480cdd45fe454c75">minutes</a> = (buf[1] & 0x0f) + ((buf[1] & 0x70) >> 4) * 10;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_abeadeae0e85f4d556e96cd8548a93c51.html#abeadeae0e85f4d556e96cd8548a93c51">hours</a> = (buf[2] & 0x0f) + ((buf[2] & 0x10) >> 4) * 10;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (buf[2] & (1 << 6)) {</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// 12 hours mode (convert to 24)</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (buf[2] & (1 << 5))</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_abeadeae0e85f4d556e96cd8548a93c51.html#abeadeae0e85f4d556e96cd8548a93c51">hours</a> += 12;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// 24 hours mode</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_abeadeae0e85f4d556e96cd8548a93c51.html#abeadeae0e85f4d556e96cd8548a93c51">hours</a> += ((buf[2] & 0x20) >> 4) * 10;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_acb1264377521faab9e0ede2a086ba956.html#acb1264377521faab9e0ede2a086ba956">dayOfWeek</a> = buf[3] & 7;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_a5f0b5de23fa9acb3542c09b4d8e338e6.html#a5f0b5de23fa9acb3542c09b4d8e338e6">dayOfMonth</a> = (buf[4] & 0x0f) + ((buf[4] & 0x30) >> 4) * 10;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_a82e68d1d8e1634ac2ba0d01fe0cd95c9.html#a82e68d1d8e1634ac2ba0d01fe0cd95c9">month</a> = (buf[5] & 0x0f) + ((buf[5] & 0x10) >> 4) * 10;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  m_datetime.<a class="code" href="structfabgl_1_1_date_time_ad2c822e286d2d13dcae4b5f7d8c1049a.html#ad2c822e286d2d13dcae4b5f7d8c1049a">year</a> = (buf[6] & 0x0f) + ((buf[6] & 0xf0) >> 4) * 10 + 2000;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> m_datetime;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classfabgl_1_1_d_s3231_a4b855984a50fd66687dd28acb8c8cb9f.html#a4b855984a50fd66687dd28acb8c8cb9f"> 154</a></span> <span class="keywordtype">bool</span> <a class="code" href="classfabgl_1_1_d_s3231_a4b855984a50fd66687dd28acb8c8cb9f.html#a4b855984a50fd66687dd28acb8c8cb9f">DS3231::setDateTime</a>(<a class="code" href="structfabgl_1_1_date_time.html">DateTime</a> <span class="keyword">const</span> & value)</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// write 7 registers starting from reg 0</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  uint8_t buf[8];</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  buf[0] = 0; <span class="comment">// starting reg address</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  buf[1] = (value.seconds % 10) | ((value.seconds / 10) << 4);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  buf[2] = (value.minutes % 10) | ((value.minutes / 10) << 4);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  buf[3] = (value.hours % 10) | ((value.hours / 10) << 4); <span class="comment">// bit6=0 -> 24 hours mode</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  buf[4] = value.dayOfWeek;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  buf[5] = (value.dayOfMonth % 10) | ((value.dayOfMonth / 10) << 4);;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  buf[6] = (value.month % 10) | ((value.month / 10) << 4);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  buf[7] = ((value.year - 2000) % 10) | (((value.year - 2000) / 10) << 4);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  m_i2c-><a class="code" href="classfabgl_1_1_i2_c_a5683609bed861f2c075c25d935029e3f.html#a5683609bed861f2c075c25d935029e3f">write</a>(DS3231_ADDR, buf, 8, DS3231_FREQ);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// update oscillator stop flag (make date no more invalid)</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  uint8_t st = readReg(0x0f);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  writeReg(0x0f, st & 0x7f);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> m_available;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> }</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> </div><div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classfabgl_1_1_d_s3231_a014e16702b5d223dd46cda87bfb8318b.html#a014e16702b5d223dd46cda87bfb8318b"> 176</a></span> <span class="keywordtype">double</span> <a class="code" href="classfabgl_1_1_d_s3231_a014e16702b5d223dd46cda87bfb8318b.html#a014e16702b5d223dd46cda87bfb8318b">DS3231::temperature</a>()</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> ((readReg(0x0f) & (0b100)) == 0) {</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// not busy, force "convert temperature"</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  uint8_t r = readReg(0x0e) | 0x20;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  writeReg(0x0e, r);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// wait for not busy</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  vTaskDelay(2 / portTICK_PERIOD_MS);</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">while</span> ((readReg(0x0f) & (0b100)) != 0 && m_available) {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  vTaskDelay(1);</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// read 2 registers starting from reg 0x11</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  uint8_t b = 0x11;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  m_i2c-><a class="code" href="classfabgl_1_1_i2_c_a5683609bed861f2c075c25d935029e3f.html#a5683609bed861f2c075c25d935029e3f">write</a>(DS3231_ADDR, &b, 1, DS3231_FREQ);</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  uint8_t buf[2];</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  m_available = m_i2c-><a class="code" href="classfabgl_1_1_i2_c_aee6d332047f3429253a95c94c59cccd9.html#aee6d332047f3429253a95c94c59cccd9">read</a>(DS3231_ADDR, buf, 2, DS3231_FREQ);</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> (int8_t)buf[0] + 0.25 * (buf[1] >> 6);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> }</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classfabgl_1_1_d_s3231_afde0362b6ad07f120d3a03ed191a54cb.html#afde0362b6ad07f120d3a03ed191a54cb"> 199</a></span> <span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_d_s3231_afde0362b6ad07f120d3a03ed191a54cb.html#afde0362b6ad07f120d3a03ed191a54cb">DS3231::clockEnabled</a>(<span class="keywordtype">bool</span> value)</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>  uint8_t r = readReg(0x0e);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  writeReg(0x0e, value ? (0x7f & r) : (0x80 | r));</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> } <span class="comment">// fdv namespace</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#endif // #ifdef ARDUINO</span></div><div class="ttc" id="structfabgl_1_1_date_time_a5f0b5de23fa9acb3542c09b4d8e338e6_html_a5f0b5de23fa9acb3542c09b4d8e338e6"><div class="ttname"><a href="structfabgl_1_1_date_time_a5f0b5de23fa9acb3542c09b4d8e338e6.html#a5f0b5de23fa9acb3542c09b4d8e338e6">fabgl::DateTime::dayOfMonth</a></div><div class="ttdeci">int8_t dayOfMonth</div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8h_source.html#l00059">DS3231.h:59</a></div></div>
<div class="ttc" id="structfabgl_1_1_date_time_acb1264377521faab9e0ede2a086ba956_html_acb1264377521faab9e0ede2a086ba956"><div class="ttname"><a href="structfabgl_1_1_date_time_acb1264377521faab9e0ede2a086ba956.html#acb1264377521faab9e0ede2a086ba956">fabgl::DateTime::dayOfWeek</a></div><div class="ttdeci">int8_t dayOfWeek</div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8h_source.html#l00058">DS3231.h:58</a></div></div>
<div class="ttc" id="structfabgl_1_1_date_time_ad2c822e286d2d13dcae4b5f7d8c1049a_html_ad2c822e286d2d13dcae4b5f7d8c1049a"><div class="ttname"><a href="structfabgl_1_1_date_time_ad2c822e286d2d13dcae4b5f7d8c1049a.html#ad2c822e286d2d13dcae4b5f7d8c1049a">fabgl::DateTime::year</a></div><div class="ttdeci">int16_t year</div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8h_source.html#l00061">DS3231.h:61</a></div></div>
<div class="ttc" id="structfabgl_1_1_date_time_a45bbbde67ef492a5d10a9d519f86984c_html_a45bbbde67ef492a5d10a9d519f86984c"><div class="ttname"><a href="structfabgl_1_1_date_time_a45bbbde67ef492a5d10a9d519f86984c.html#a45bbbde67ef492a5d10a9d519f86984c">fabgl::DateTime::seconds</a></div><div class="ttdeci">int8_t seconds</div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8h_source.html#l00055">DS3231.h:55</a></div></div>
<div class="ttc" id="_d_s3231_8h_html"><div class="ttname"><a href="_d_s3231_8h.html">DS3231.h</a></div><div class="ttdoc">This file contains the DS3231 (Real Time Clock) device driver. </div></div>
<div class="ttc" id="structfabgl_1_1_date_time_a82e68d1d8e1634ac2ba0d01fe0cd95c9_html_a82e68d1d8e1634ac2ba0d01fe0cd95c9"><div class="ttname"><a href="structfabgl_1_1_date_time_a82e68d1d8e1634ac2ba0d01fe0cd95c9.html#a82e68d1d8e1634ac2ba0d01fe0cd95c9">fabgl::DateTime::month</a></div><div class="ttdeci">int8_t month</div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8h_source.html#l00060">DS3231.h:60</a></div></div>
<div class="ttc" id="classfabgl_1_1_d_s3231_afde0362b6ad07f120d3a03ed191a54cb_html_afde0362b6ad07f120d3a03ed191a54cb"><div class="ttname"><a href="classfabgl_1_1_d_s3231_afde0362b6ad07f120d3a03ed191a54cb.html#afde0362b6ad07f120d3a03ed191a54cb">fabgl::DS3231::clockEnabled</a></div><div class="ttdeci">void clockEnabled(bool value)</div><div class="ttdoc">Enables or disables DS3231 oscillator. </div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8cpp_source.html#l00199">DS3231.cpp:199</a></div></div>
<div class="ttc" id="structfabgl_1_1_date_time_html"><div class="ttname"><a href="structfabgl_1_1_date_time.html">fabgl::DateTime</a></div><div class="ttdoc">Represents date and time. </div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8h_source.html#l00054">DS3231.h:54</a></div></div>
<div class="ttc" id="classfabgl_1_1_i2_c_html"><div class="ttname"><a href="classfabgl_1_1_i2_c.html">fabgl::I2C</a></div><div class="ttdoc">I2C class allows multiple tasks to communicate with I2C devices, serializing read/write jobs...</div><div class="ttdef"><b>Definition:</b> <a href="tsi2c_8h_source.html#l00076">tsi2c.h:76</a></div></div>
<div class="ttc" id="classfabgl_1_1_i2_c_aee6d332047f3429253a95c94c59cccd9_html_aee6d332047f3429253a95c94c59cccd9"><div class="ttname"><a href="classfabgl_1_1_i2_c_aee6d332047f3429253a95c94c59cccd9.html#aee6d332047f3429253a95c94c59cccd9">fabgl::I2C::read</a></div><div class="ttdeci">int read(int address, uint8_t *buffer, int size, int frequency=100000, int timeOutMS=50)</div><div class="ttdoc">Receives a buffer from I2C bus. </div><div class="ttdef"><b>Definition:</b> <a href="tsi2c_8cpp_source.html#l00126">tsi2c.cpp:126</a></div></div>
<div class="ttc" id="classfabgl_1_1_d_s3231_a6eccbc9a02a68038bebb4c9a610b8f7f_html_a6eccbc9a02a68038bebb4c9a610b8f7f"><div class="ttname"><a href="classfabgl_1_1_d_s3231_a6eccbc9a02a68038bebb4c9a610b8f7f.html#a6eccbc9a02a68038bebb4c9a610b8f7f">fabgl::DS3231::datetime</a></div><div class="ttdeci">DateTime const & datetime()</div><div class="ttdoc">Queries DS3231 for current date and time. </div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8cpp_source.html#l00124">DS3231.cpp:124</a></div></div>
<div class="ttc" id="namespacefabgl_html"><div class="ttname"><a href="namespacefabgl.html">fabgl</a></div><div class="ttdef"><b>Definition:</b> <a href="canvas_8cpp_source.html#l00032">canvas.cpp:32</a></div></div>
<div class="ttc" id="structfabgl_1_1_date_time_abeadeae0e85f4d556e96cd8548a93c51_html_abeadeae0e85f4d556e96cd8548a93c51"><div class="ttname"><a href="structfabgl_1_1_date_time_abeadeae0e85f4d556e96cd8548a93c51.html#abeadeae0e85f4d556e96cd8548a93c51">fabgl::DateTime::hours</a></div><div class="ttdeci">int8_t hours</div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8h_source.html#l00057">DS3231.h:57</a></div></div>
<div class="ttc" id="classfabgl_1_1_d_s3231_acd45c96e11bf7479f3a75d4cd4975878_html_acd45c96e11bf7479f3a75d4cd4975878"><div class="ttname"><a href="classfabgl_1_1_d_s3231_acd45c96e11bf7479f3a75d4cd4975878.html#acd45c96e11bf7479f3a75d4cd4975878">fabgl::DS3231::begin</a></div><div class="ttdeci">void begin(I2C *i2c)</div><div class="ttdoc">Initializes DS3231 driver. </div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8cpp_source.html#l00097">DS3231.cpp:97</a></div></div>
<div class="ttc" id="structfabgl_1_1_date_time_ab376075e230a393b480cdd45fe454c75_html_ab376075e230a393b480cdd45fe454c75"><div class="ttname"><a href="structfabgl_1_1_date_time_ab376075e230a393b480cdd45fe454c75.html#ab376075e230a393b480cdd45fe454c75">fabgl::DateTime::minutes</a></div><div class="ttdeci">int8_t minutes</div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8h_source.html#l00056">DS3231.h:56</a></div></div>
<div class="ttc" id="classfabgl_1_1_d_s3231_a014e16702b5d223dd46cda87bfb8318b_html_a014e16702b5d223dd46cda87bfb8318b"><div class="ttname"><a href="classfabgl_1_1_d_s3231_a014e16702b5d223dd46cda87bfb8318b.html#a014e16702b5d223dd46cda87bfb8318b">fabgl::DS3231::temperature</a></div><div class="ttdeci">double temperature()</div><div class="ttdoc">Forces DS3231 to read current temperature. </div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8cpp_source.html#l00176">DS3231.cpp:176</a></div></div>
<div class="ttc" id="classfabgl_1_1_d_s3231_a4b855984a50fd66687dd28acb8c8cb9f_html_a4b855984a50fd66687dd28acb8c8cb9f"><div class="ttname"><a href="classfabgl_1_1_d_s3231_a4b855984a50fd66687dd28acb8c8cb9f.html#a4b855984a50fd66687dd28acb8c8cb9f">fabgl::DS3231::setDateTime</a></div><div class="ttdeci">bool setDateTime(DateTime const &value)</div><div class="ttdoc">Sets current date and time. </div><div class="ttdef"><b>Definition:</b> <a href="_d_s3231_8cpp_source.html#l00154">DS3231.cpp:154</a></div></div>
<div class="ttc" id="classfabgl_1_1_i2_c_a5683609bed861f2c075c25d935029e3f_html_a5683609bed861f2c075c25d935029e3f"><div class="ttname"><a href="classfabgl_1_1_i2_c_a5683609bed861f2c075c25d935029e3f.html#a5683609bed861f2c075c25d935029e3f">fabgl::I2C::write</a></div><div class="ttdeci">bool write(int address, uint8_t *buffer, int size, int frequency=100000, int timeOutMS=50)</div><div class="ttdoc">Sends a buffer to I2C bus. </div><div class="ttdef"><b>Definition:</b> <a href="tsi2c_8cpp_source.html#l00101">tsi2c.cpp:101</a></div></div>
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