Loading files
This file is pinned to the selected release. Download the original to open it in your design tool.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.13"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>IoT-MBBR (masterthesis): firmware/EFM32HG222F64_iot-mbbr/src/delay.c Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">IoT-MBBR (masterthesis)
</div>
<div id="projectbrief">Masterthesis upgrading a Moving Bed BioReactor with extra sensors and cloud connectivity.</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.13 -->
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('',false,false,'search.php','Search');
});
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('delay_8c_source.html','');});
</script>
<div id="doc-content">
<div class="header">
<div class="headertitle">
<div class="title">delay.c</div> </div>
</div><!--header-->
<div class="contents">
<a href="delay_8c.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">/***************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * @file delay.c</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * @brief Delay functionality.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * @version 3.4</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * @author Brecht Van Eeckhoudt</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</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"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * @section Versions</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"> * @li v1.0: Moved delay functionality from `util.c` to this file.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * @li v1.1: Changed global variables to be static (~hidden) and added dbprint `\ n \ r ` fixes.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * @li v1.2: Removed EM1 delay method (see note in delayRTCC_EM2).</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * @li v1.3: Cleaned up includes, added option to select SysTick/EM2 delay functionality</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * and moved all of the logic in one `delay` method. Renamed sleep method.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * @li v1.4: Changed names of static variables, made initRTCcomp static.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * @li v1.5: Updated documentation.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * @li v1.6: Changed RTCcomp names to RTC.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * @li v1.7: Moved IRQ handler of RTC to this file.</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * @li v1.8: Added ULFRCO logic.</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * @li v1.9: Updated code with new DEFINE checks.</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * @li v2.0: Added functionality to enable/disable the clocks only when necessary.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * @li v2.1: Added functionality to check if a wakeup was caused by the RTC.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * @li v2.2: Removed some clock disabling statements.</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * @li v2.3: Changed error numbering.</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * @li v2.4: Moved definitions from header to source file.</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * @li v2.5: Added functionality to the time spend sleeping.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * @li v3.0: Disabled peripheral clock before entering an `error` function, added</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * functionality to exit methods after `error` call and updated version number.</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * @li v3.1: Removed `static` before some local variables (not necessary).</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * @li v3.2: Moved `msTicks` variable and systick handler in `#if` check.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * @li v3.3: Added include for the boolean type in the header file, changed `dbwarnInt`</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * to `dbinfoInt`, added the ability to enable/disable the sleep-announcing.</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * @li v3.4: Added logic to initialize delay/sleep when calling the methods using `0` as the delay time.</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> *</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * ******************************************************************************</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> *</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * @todo</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * **Future improvements:**@n</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * - Enable/disable clock functionality? (see comments using `//`)</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> *</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * ******************************************************************************</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> *</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * @section License</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> *</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * **Copyright (C) 2020 - Brecht Van Eeckhoudt**</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> *</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * This program is free software: you can redistribute it and/or modify</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * it under the terms of the **GNU General Public License** as published by</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * the Free Software Foundation, either **version 3** of the License, or</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * (at your option) any later version.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> *</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * GNU General Public License for more details.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> *</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * *A copy of the GNU General Public License can be found in the `LICENSE`</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * file along with this source code.*</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> *</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * @n</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> *</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * Some methods use code obtained from examples from [Silicon Labs' GitHub](https://github.com/SiliconLabs/peripheral_examples).</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * These sections are licensed under the Silabs License Agreement. See the file</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * "Silabs_License_Agreement.txt" for details. Before using this software for</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * any purpose, you must agree to the terms of that agreement.</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> *</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> ******************************************************************************/</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> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#include <stdint.h></span> <span class="comment">/* (u)intXX_t */</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#include <stdbool.h></span> <span class="comment">/* "bool", "true", "false" */</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#include "em_device.h"</span> <span class="comment">/* Include necessary MCU-specific header file */</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#include "em_cmu.h"</span> <span class="comment">/* Clock management unit */</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#include "em_emu.h"</span> <span class="comment">/* Energy Management Unit */</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#include "em_gpio.h"</span> <span class="comment">/* General Purpose IO */</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#include "em_rtc.h"</span> <span class="comment">/* Real Time Counter (RTC) */</span></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="preprocessor">#include "<a class="code" href="delay_8h.html">delay.h</a>"</span> <span class="comment">/* Corresponding header file */</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#include "<a class="code" href="debug__dbprint_8h.html">debug_dbprint.h</a>"</span> <span class="comment">/* Enable or disable printing to UART */</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">//#include "util.h" /* Utility functionality (error) */</span></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> <span class="comment">/* Local definitions (for RTC compare interrupts) */</span></div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="delay_8c.html#a32d3f5f00133102c9c845ca65e7d5d77"> 85</a></span> <span class="preprocessor">#define ULFRCOFREQ 1000</span></div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="delay_8c.html#a7dfc303d591a9e657e53c979d8e0c664"> 86</a></span> <span class="preprocessor">#define ULFRCOFREQ_MS 1.000</span></div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="delay_8c.html#a608c42d50a4df7f45d31ce5e1fbe1270"> 87</a></span> <span class="preprocessor">#define LFXOFREQ 32768</span></div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="delay_8c.html#acde5abcdec802c050f0fdf095fb28343"> 88</a></span> <span class="preprocessor">#define LFXOFREQ_MS 32.768</span></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> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment">/* Local variables */</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">/* -> Volatile because it's modified by an interrupt service routine (@RAM)</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> * -> Static so it's always kept in memory (@data segment, space provided during compile time) */</span></div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="delay_8c.html#a5d05d3c03875b363db56e35882b55025"> 94</a></span> <span class="keyword">static</span> <span class="keyword">volatile</span> <span class="keywordtype">bool</span> <a class="code" href="delay_8c.html#a5d05d3c03875b363db56e35882b55025">RTC_sleep_wakeup</a> = <span class="keyword">false</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> <span class="preprocessor">#if SYSTICKDELAY == 1 </span><span class="comment">/* SysTick delay selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">static</span> <span class="keyword">volatile</span> <a class="code" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> msTicks;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#endif </span><span class="comment">/* SysTick/RTC selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="delay_8c.html#afc77d1fb95870b5511dffff362261cb6"> 101</a></span> <span class="keywordtype">bool</span> <a class="code" href="delay_8c.html#afc77d1fb95870b5511dffff362261cb6">sleeping</a> = <span class="keyword">false</span>;</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="delay_8c.html#a31a8d0ba2d09ee649bb6d17829f89712"> 102</a></span> <span class="keywordtype">bool</span> <a class="code" href="delay_8c.html#a31a8d0ba2d09ee649bb6d17829f89712">RTC_initialized</a> = <span class="keyword">false</span>;</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="preprocessor">#if SYSTICKDELAY == 1 </span><span class="comment">/* SysTick delay selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keywordtype">bool</span> SysTick_initialized = <span class="keyword">false</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#endif </span><span class="comment">/* SysTick/RTC selection */</span><span class="preprocessor"></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> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">/* Local prototype */</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="delay_8c.html#aecf4672ef62001664f5ebc953755da1d">initRTC</a> (<span class="keywordtype">void</span>);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </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> <span class="comment">/**************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * @brief</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * Wait for a certain amount of milliseconds in EM2/3.</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> *</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> * @details</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> * This method can be called with the argument `0` to force initialization.@n</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * This method also initializes SysTick/RTC if necessary.</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> *</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * @param[in] msDelay</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * The delay time in **milliseconds**.</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="delay_8c.html#adb46f4276f5ddf111153701858f85df6"> 124</a></span> <span class="keywordtype">void</span> <a class="code" href="delay_8c.html#adb46f4276f5ddf111153701858f85df6">delay</a> (<a class="code" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> msDelay)</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="preprocessor">#if SYSTICKDELAY == 1 </span><span class="comment">/* SysTick delay selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">/* Initialize SysTick if not already the case */</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (!SysTick_initialized)</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">/* Initialize and start SysTick</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * Number of ticks between interrupt = cmuClock_CORE/1000 */</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (SysTick_Config(CMU_ClockFreqGet(cmuClock_CORE) / 1000)) <span class="keywordflow">while</span> (1);</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"SysTick initialized"</span>);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  SysTick_initialized = <span class="keyword">true</span>;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">/* Only execute if we're not initializing */</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span> (msDelay > 0)</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="comment">/* Enable SysTick interrupt and counter by setting their bits. */</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk;</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>  }</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>  <span class="comment">/* Only execute if we're not initializing */</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (msDelay > 0)</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">/* Wait a certain amount of ticks */</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> curTicks = msTicks;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">while</span> ((msTicks - curTicks) < msDelay);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">/* Disable SysTick interrupt and counter (needs to be done before entering EM2/3) by clearing their bits. */</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk & ~SysTick_CTRL_ENABLE_Msk;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</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> <span class="preprocessor">#else </span><span class="comment">/* EM2/3 RTC delay selected */</span><span class="preprocessor"></span></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> </div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">/* Initialize RTC if not already the case */</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (!<a class="code" href="delay_8c.html#a31a8d0ba2d09ee649bb6d17829f89712">RTC_initialized</a>) <a class="code" href="delay_8c.html#aecf4672ef62001664f5ebc953755da1d">initRTC</a>();</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">/* Only execute if we're not initializing */</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (msDelay > 0)</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>  <span class="comment">/* Enable necessary oscillator and clocks */</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> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">/* No specific code here */</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">/* Enable the low-frequency crystal oscillator for the RTC */</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">//CMU_OscillatorEnable(cmuOsc_LFXO, true, true);</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></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>  <span class="comment">/* Enable the clock to the interface of the low energy modules</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> * cmuClock_CORELE = cmuClock_HFLE (deprecated) */</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">//CMU_ClockEnable(cmuClock_HFLE, true);</span></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>  <span class="comment">/* Turn on the RTC clock */</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  CMU_ClockEnable(cmuClock_RTC, <span class="keyword">true</span>);</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</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="comment">/* Only execute if we're not initializing */</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">if</span> (msDelay > 0)</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"> 199</span>  <span class="comment">/* Set RTC compare value for RTC compare register 0 depending on ULFRCO/LFXO selection */</span></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="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></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="keywordflow">if</span> ((<a class="code" href="delay_8c.html#a7dfc303d591a9e657e53c979d8e0c664">ULFRCOFREQ_MS</a> * msDelay) <= 0x00ffffff) RTC_CompareSet(0, (<a class="code" href="delay_8c.html#a7dfc303d591a9e657e53c979d8e0c664">ULFRCOFREQ_MS</a> * msDelay));</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">else</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> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"Delay too long, can't fit in the field!"</span>);</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></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="comment">/* Turn off the RTC clock */</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  CMU_ClockEnable(cmuClock_RTC, <span class="keyword">false</span>);</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// error(14);</span></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>  <span class="comment">/* Exit function */</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">if</span> ((<a class="code" href="delay_8c.html#acde5abcdec802c050f0fdf095fb28343">LFXOFREQ_MS</a> * msDelay) <= 0x00ffffff) RTC_CompareSet(0, (<a class="code" href="delay_8c.html#acde5abcdec802c050f0fdf095fb28343">LFXOFREQ_MS</a> * msDelay));</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  {</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="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"Delay too long, can't fit in the field!"</span>);</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">/* Turn off the RTC clock */</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  CMU_ClockEnable(cmuClock_RTC, <span class="keyword">false</span>);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment">// error(15);</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">/* Exit function */</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></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="comment">/* Start the RTC */</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  RTC_Enable(<span class="keyword">true</span>);</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="comment">/* Enter EM2/3 depending on ULFRCO/LFXO selection */</span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="comment">/* In EM3, high and low frequency clocks are disabled. No oscillator (except the ULFRCO) is running.</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> * Furthermore, all unwanted oscillators are disabled in EM3. This means that nothing needs to be</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * manually disabled before the statement EMU_EnterEM3(true); */</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  EMU_EnterEM3(<span class="keyword">true</span>); <span class="comment">/* "true" - Save and restore oscillators, clocks and voltage scaling */</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  EMU_EnterEM2(<span class="keyword">true</span>); <span class="comment">/* "true" - Save and restore oscillators, clocks and voltage scaling */</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </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="comment">/* Disable used oscillator and clocks after wake-up */</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">/* No specific code here */</span></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> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></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">/* Disable the low-frequency crystal oscillator for the RTC */</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">//CMU_OscillatorEnable(cmuOsc_LFXO, false, true);</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">/* Disable the clock to the interface of the low energy modules</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> * cmuClock_CORELE = cmuClock_HFLE (deprecated) */</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">//CMU_ClockEnable(cmuClock_HFLE, false);</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">/* Turn off the RTC clock */</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  CMU_ClockEnable(cmuClock_RTC, <span class="keyword">false</span>);</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  }</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="preprocessor">#endif </span><span class="comment">/* SysTick/RTC selection */</span><span class="preprocessor"></span></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> }</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment">/**************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"> * @brief</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"> * Sleep for a certain amount of seconds in EM2/3.</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="comment"> * @details</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> * This method also initializes the RTC if necessary.</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> *</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * @param[in] sSleep</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> * The sleep time in **seconds**.</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"><a class="line" href="delay_8c.html#aae86f940455b5957441f4331cdc0828d"> 293</a></span> <span class="keywordtype">void</span> <a class="code" href="delay_8c.html#aae86f940455b5957441f4331cdc0828d">sleep</a> (<a class="code" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> sSleep)</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>  <span class="comment">/* Initialize RTC if not already the case */</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">if</span> (!<a class="code" href="delay_8c.html#a31a8d0ba2d09ee649bb6d17829f89712">RTC_initialized</a>) <a class="code" href="delay_8c.html#aecf4672ef62001664f5ebc953755da1d">initRTC</a>();</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  {</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">/* Only execute if we're not initializing */</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> (sSleep > 0)</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> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">/* Enable necessary oscillator and clocks */</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">/* No specific code here */</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> </div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">/* Enable the low-frequency crystal oscillator for the RTC */</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">//CMU_OscillatorEnable(cmuOsc_LFXO, true, true);</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">/* Enable the clock to the interface of the low energy modules</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> * cmuClock_CORELE = cmuClock_HFLE (deprecated) */</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="comment">//CMU_ClockEnable(cmuClock_HFLE, true);</span></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="comment">/* Turn on the RTC clock */</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  CMU_ClockEnable(cmuClock_RTC, <span class="keyword">true</span>);</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  }</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">/* Only execute if we're not initializing */</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (sSleep > 0)</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  {</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="preprocessor">#if ANNOUNCE_SLEEPING == 1 </span><span class="comment">/* Announce sleeping enabled */</span><span class="preprocessor"></span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <a class="code" href="dbprint_8c.html#a0511ddad2e00a8187d5449b15de7eb4f">dbinfoInt</a>(<span class="stringliteral">"Sleeping in EM3 for "</span>, sSleep, <span class="stringliteral">" s\n\r\n\r"</span>);</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="dbprint_8c.html#a0511ddad2e00a8187d5449b15de7eb4f">dbinfoInt</a>(<span class="stringliteral">"Sleeping in EM2 for "</span>, sSleep, <span class="stringliteral">" s\n\r\n\r"</span>);</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#endif </span><span class="comment">/* Announce sleeping */</span><span class="preprocessor"></span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span> </div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="comment">/* Set RTC compare value for RTC compare register 0 depending on ULFRCO/LFXO selection */</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">if</span> ((<a class="code" href="delay_8c.html#a32d3f5f00133102c9c845ca65e7d5d77">ULFRCOFREQ</a> * sSleep) <= 0x00ffffff) RTC_CompareSet(0, (<a class="code" href="delay_8c.html#a32d3f5f00133102c9c845ca65e7d5d77">ULFRCOFREQ</a> * sSleep));</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  {</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"Delay too long, can't fit in the field!"</span>);</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> </div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="comment">/* Turn off the RTC clock */</span></div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  CMU_ClockEnable(cmuClock_RTC, <span class="keyword">false</span>);</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> </div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment">// error(16);</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">/* Exit function */</span></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></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>  <span class="keywordflow">if</span> ((<a class="code" href="delay_8c.html#a608c42d50a4df7f45d31ce5e1fbe1270">LFXOFREQ</a> * sSleep) <= 0x00ffffff) RTC_CompareSet(0, (<a class="code" href="delay_8c.html#a608c42d50a4df7f45d31ce5e1fbe1270">LFXOFREQ</a> * sSleep));</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  {</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"Delay too long, can't fit in the field!"</span>);</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">/* Turn off the RTC clock */</span></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  CMU_ClockEnable(cmuClock_RTC, <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">// error(17);</span></div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> </div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="comment">/* Exit function */</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="comment">/* Indicate that we're using the sleep method */</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <a class="code" href="delay_8c.html#afc77d1fb95870b5511dffff362261cb6">sleeping</a> = <span class="keyword">true</span>;</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> </div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="comment">/* Start the RTC */</span></div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  RTC_Enable(<span class="keyword">true</span>);</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="comment">/* Enter EM2/3 depending on ULFRCO/LFXO selection */</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="comment">/* In EM3, high and low frequency clocks are disabled. No oscillator (except the ULFRCO) is running.</span></div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment"> * Furthermore, all unwanted oscillators are disabled in EM3. This means that nothing needs to be</span></div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment"> * manually disabled before the statement EMU_EnterEM3(true); */</span></div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  EMU_EnterEM3(<span class="keyword">true</span>); <span class="comment">/* "true" - Save and restore oscillators, clocks and voltage scaling */</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  EMU_EnterEM2(<span class="keyword">true</span>); <span class="comment">/* "true" - Save and restore oscillators, clocks and voltage scaling */</span></div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="comment">/* Indicate that we're no longer sleeping */</span></div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <a class="code" href="delay_8c.html#afc77d1fb95870b5511dffff362261cb6">sleeping</a> = <span class="keyword">false</span>;</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>  <span class="comment">/* Disable used oscillator and clocks after wake-up */</span></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="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">/* No specific code here */</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="comment">/* Disable the low-frequency crystal oscillator for the RTC */</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="comment">//CMU_OscillatorEnable(cmuOsc_LFXO, false, true);</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></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="comment">/* Disable the clock to the interface of the low energy modules</span></div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment"> * cmuClock_CORELE = cmuClock_HFLE (deprecated) */</span></div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">//CMU_ClockEnable(cmuClock_HFLE, false);</span></div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> </div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">/* Turn off the RTC clock */</span></div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  CMU_ClockEnable(cmuClock_RTC, <span class="keyword">false</span>);</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> }</div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> </div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="comment">/**************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment"> * @brief</span></div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="comment"> * Method to check if the wakeup was caused by the RTC.</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"> *</span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"> * @return</span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment"> * The value of `RTC_sleep_wakeup`.</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00432"></a><span class="lineno"><a class="line" href="delay_8c.html#a7bfbeaf084abaa0fc6baf77a1640b598"> 432</a></span> <span class="keywordtype">bool</span> <a class="code" href="delay_8c.html#a7bfbeaf084abaa0fc6baf77a1640b598">RTC_checkWakeup</a> (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> {</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">return</span> (<a class="code" href="delay_8c.html#a5d05d3c03875b363db56e35882b55025">RTC_sleep_wakeup</a>);</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span> }</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> </div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span> </div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment">/**************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"> * @brief</span></div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> * Method to clear `RTC_sleep_wakeup`.</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00442"></a><span class="lineno"><a class="line" href="delay_8c.html#a072ccec54e047acce2566984c28b0232"> 442</a></span> <span class="keywordtype">void</span> <a class="code" href="delay_8c.html#a072ccec54e047acce2566984c28b0232">RTC_clearWakeup</a> (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span> {</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <a class="code" href="delay_8c.html#a5d05d3c03875b363db56e35882b55025">RTC_sleep_wakeup</a> = <span class="keyword">false</span>;</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> }</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span> </div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment">/**************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> * @brief</span></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> * Method to get the time spend sleeping (in seconds) in the case</span></div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> * of GPIO wake-up.</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment"> *</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment"> * @return</span></div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment"> * The time spend sleeping in **seconds**.</span></div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00456"></a><span class="lineno"><a class="line" href="delay_8c.html#a3e274aac5f6eaff85d00c25c6edff5a3"> 456</a></span> <a class="code" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> <a class="code" href="delay_8c.html#a3e274aac5f6eaff85d00c25c6edff5a3">RTC_getPassedSleeptime</a> (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> {</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <a class="code" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> sSleep = RTC_CounterGet();</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="comment">/* Disable the counter */</span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  RTC_Enable(<span class="keyword">false</span>);</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> </div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  sSleep /= <a class="code" href="delay_8c.html#a32d3f5f00133102c9c845ca65e7d5d77">ULFRCOFREQ</a>;</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  sSleep /= <a class="code" href="delay_8c.html#a608c42d50a4df7f45d31ce5e1fbe1270">LFXOFREQ</a>;</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span> </div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">return</span> (sSleep);</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span> }</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> </div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span> </div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="comment">/**************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment"> * @brief</span></div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment"> * RTC initialization.</span></div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment"> *</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment"> * @note</span></div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="comment"> * This is a static method because it's only internally used in this file</span></div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="comment"> * and called by other methods if necessary.</span></div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00481"></a><span class="lineno"><a class="line" href="delay_8c.html#aecf4672ef62001664f5ebc953755da1d"> 481</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="delay_8c.html#aecf4672ef62001664f5ebc953755da1d">initRTC</a> (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span> {</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span> </div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span> </div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">/* Enable the ultra low-frequency RC oscillator for the RTC */</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="comment">//CMU_OscillatorEnable(cmuOsc_ULFRCO, true, true); /* The ULFRCO is always on */</span></div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> </div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="comment">/* Enable the clock to the interface of the low energy modules</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment"> * cmuClock_CORELE = cmuClock_HFLE (deprecated) */</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  CMU_ClockEnable(cmuClock_HFLE, <span class="keyword">true</span>);</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="comment">/* Route the ULFRCO clock to the RTC */</span></div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_ULFRCO);</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> </div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span> </div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="comment">/* Enable the low-frequency crystal oscillator for the RTC */</span></div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  CMU_OscillatorEnable(cmuOsc_LFXO, <span class="keyword">true</span>, <span class="keyword">true</span>);</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="comment">/* Enable the clock to the interface of the low energy modules</span></div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="comment"> * cmuClock_CORELE = cmuClock_HFLE (deprecated) */</span></div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  CMU_ClockEnable(cmuClock_HFLE, <span class="keyword">true</span>);</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span> </div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="comment">/* Route the LFXO clock to the RTC */</span></div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span> </div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span> </div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="comment">/* Turn on the RTC clock */</span></div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  CMU_ClockEnable(cmuClock_RTC, <span class="keyword">true</span>);</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span> </div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="comment">/* Allow channel 0 to cause an interrupt */</span></div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  RTC_IntEnable(RTC_IEN_COMP0);</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  RTC_IntClear(RTC_IFC_COMP0); <span class="comment">/* This statement was in the ULFRCO but not in the LFXO example. It's kept here just in case. */</span></div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  NVIC_ClearPendingIRQ(RTC_IRQn);</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  NVIC_EnableIRQ(RTC_IRQn);</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="comment">/* Configure the RTC settings */</span></div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  RTC_Init_TypeDef rtc = RTC_INIT_DEFAULT;</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  rtc.enable = <span class="keyword">false</span>; <span class="comment">/* Don't start counting when initialization is done */</span></div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span> </div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="comment">/* Initialize RTC with pre-defined settings */</span></div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  RTC_Init(&rtc);</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span> </div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="preprocessor">#if ULFRCO == 1 </span><span class="comment">/* ULFRCO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"RTC initialized with ULFRCO"</span>);</div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="preprocessor">#else </span><span class="comment">/* LFXO selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"RTC initialized with LFXO"</span>);</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="preprocessor">#endif </span><span class="comment">/* ULFRCO/LFXO selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span> </div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <a class="code" href="delay_8c.html#a31a8d0ba2d09ee649bb6d17829f89712">RTC_initialized</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span> }</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span> </div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span> </div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="preprocessor">#if SYSTICKDELAY == 1 </span><span class="comment">/* SysTick delay selected */</span><span class="preprocessor"></span></div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="comment">/**************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="comment"> * @brief</span></div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment"> * Interrupt Service Routine for system tick counter.</span></div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="keywordtype">void</span> SysTick_Handler (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span> {</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  msTicks++; <span class="comment">/* Increment counter necessary by SysTick delay functionality */</span></div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span> }</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="preprocessor">#endif </span><span class="comment">/* SysTick/RTC selection */</span><span class="preprocessor"></span></div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span> </div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span> </div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="comment">/**************************************************************************/</span><span class="comment">/**</span></div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="comment"> * @brief</span></div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="comment"> * Interrupt Service Routine for the RTC.</span></div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="comment"> *</span></div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span> <span class="comment"> * @note</span></div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span> <span class="comment"> * The *weak* definition for this method is located in `system_efm32hg.h`.</span></div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00557"></a><span class="lineno"><a class="line" href="delay_8c.html#ab86b9dd0d7b4eacfe38086e1fa4c2312"> 557</a></span> <span class="keywordtype">void</span> <a class="code" href="delay_8c.html#ab86b9dd0d7b4eacfe38086e1fa4c2312">RTC_IRQHandler</a> (<span class="keywordtype">void</span>)</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span> {</div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="comment">/* Disable the counter */</span></div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  RTC_Enable(<span class="keyword">false</span>);</div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="comment">/* Clear the interrupt source */</span></div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  RTC_IntClear(RTC_IFC_COMP0);</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span> </div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="comment">/* If the wakeup was caused by "sleeping" (not a delay), act accordingly */</span></div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">if</span> (<a class="code" href="delay_8c.html#afc77d1fb95870b5511dffff362261cb6">sleeping</a>) <a class="code" href="delay_8c.html#a5d05d3c03875b363db56e35882b55025">RTC_sleep_wakeup</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span> }</div><div class="ttc" id="delay_8c_html_aae86f940455b5957441f4331cdc0828d"><div class="ttname"><a href="delay_8c.html#aae86f940455b5957441f4331cdc0828d">sleep</a></div><div class="ttdeci">void sleep(uint32_t sSleep)</div><div class="ttdoc">Sleep for a certain amount of seconds in EM2/3. </div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00293">delay.c:293</a></div></div>
<div class="ttc" id="delay_8c_html_a32d3f5f00133102c9c845ca65e7d5d77"><div class="ttname"><a href="delay_8c.html#a32d3f5f00133102c9c845ca65e7d5d77">ULFRCOFREQ</a></div><div class="ttdeci">#define ULFRCOFREQ</div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00085">delay.c:85</a></div></div>
<div class="ttc" id="dbprint_8c_html_a0511ddad2e00a8187d5449b15de7eb4f"><div class="ttname"><a href="dbprint_8c.html#a0511ddad2e00a8187d5449b15de7eb4f">dbinfoInt</a></div><div class="ttdeci">void dbinfoInt(char *message1, int32_t value, char *message2)</div><div class="ttdoc">Print an info value surrounded by two strings (char array) to USARTx. </div><div class="ttdef"><b>Definition:</b> <a href="dbprint_8c_source.html#l00569">dbprint.c:569</a></div></div>
<div class="ttc" id="delay_8c_html_aecf4672ef62001664f5ebc953755da1d"><div class="ttname"><a href="delay_8c.html#aecf4672ef62001664f5ebc953755da1d">initRTC</a></div><div class="ttdeci">static void initRTC(void)</div><div class="ttdoc">RTC initialization. </div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00481">delay.c:481</a></div></div>
<div class="ttc" id="delay_8c_html_a31a8d0ba2d09ee649bb6d17829f89712"><div class="ttname"><a href="delay_8c.html#a31a8d0ba2d09ee649bb6d17829f89712">RTC_initialized</a></div><div class="ttdeci">bool RTC_initialized</div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00102">delay.c:102</a></div></div>
<div class="ttc" id="dbprint_8c_html_acb5d4e1082c625ad85d835d4e053d4d8"><div class="ttname"><a href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a></div><div class="ttdeci">void dbinfo(char *message)</div><div class="ttdoc">Print an info string (char array) to USARTx and go to the next line. </div><div class="ttdef"><b>Definition:</b> <a href="dbprint_8c_source.html#l00505">dbprint.c:505</a></div></div>
<div class="ttc" id="delay_8c_html_ab86b9dd0d7b4eacfe38086e1fa4c2312"><div class="ttname"><a href="delay_8c.html#ab86b9dd0d7b4eacfe38086e1fa4c2312">RTC_IRQHandler</a></div><div class="ttdeci">void RTC_IRQHandler(void)</div><div class="ttdoc">Interrupt Service Routine for the RTC. </div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00557">delay.c:557</a></div></div>
<div class="ttc" id="delay_8c_html_a3e274aac5f6eaff85d00c25c6edff5a3"><div class="ttname"><a href="delay_8c.html#a3e274aac5f6eaff85d00c25c6edff5a3">RTC_getPassedSleeptime</a></div><div class="ttdeci">uint32_t RTC_getPassedSleeptime(void)</div><div class="ttdoc">Method to get the time spend sleeping (in seconds) in the case of GPIO wake-up. </div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00456">delay.c:456</a></div></div>
<div class="ttc" id="delay_8c_html_a072ccec54e047acce2566984c28b0232"><div class="ttname"><a href="delay_8c.html#a072ccec54e047acce2566984c28b0232">RTC_clearWakeup</a></div><div class="ttdeci">void RTC_clearWakeup(void)</div><div class="ttdoc">Method to clear RTC_sleep_wakeup. </div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00442">delay.c:442</a></div></div>
<div class="ttc" id="delay_8h_html"><div class="ttname"><a href="delay_8h.html">delay.h</a></div><div class="ttdoc">Delay functionality. </div></div>
<div class="ttc" id="delay_8c_html_a7bfbeaf084abaa0fc6baf77a1640b598"><div class="ttname"><a href="delay_8c.html#a7bfbeaf084abaa0fc6baf77a1640b598">RTC_checkWakeup</a></div><div class="ttdeci">bool RTC_checkWakeup(void)</div><div class="ttdoc">Method to check if the wakeup was caused by the RTC. </div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00432">delay.c:432</a></div></div>
<div class="ttc" id="delay_8c_html_adb46f4276f5ddf111153701858f85df6"><div class="ttname"><a href="delay_8c.html#adb46f4276f5ddf111153701858f85df6">delay</a></div><div class="ttdeci">void delay(uint32_t msDelay)</div><div class="ttdoc">Wait for a certain amount of milliseconds in EM2/3. </div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00124">delay.c:124</a></div></div>
<div class="ttc" id="debug__dbprint_8h_html"><div class="ttname"><a href="debug__dbprint_8h.html">debug_dbprint.h</a></div><div class="ttdoc">Enable or disable printing to UART with dbprint. </div></div>
<div class="ttc" id="delay_8c_html_acde5abcdec802c050f0fdf095fb28343"><div class="ttname"><a href="delay_8c.html#acde5abcdec802c050f0fdf095fb28343">LFXOFREQ_MS</a></div><div class="ttdeci">#define LFXOFREQ_MS</div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00088">delay.c:88</a></div></div>
<div class="ttc" id="delay_8c_html_a7dfc303d591a9e657e53c979d8e0c664"><div class="ttname"><a href="delay_8c.html#a7dfc303d591a9e657e53c979d8e0c664">ULFRCOFREQ_MS</a></div><div class="ttdeci">#define ULFRCOFREQ_MS</div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00086">delay.c:86</a></div></div>
<div class="ttc" id="delay_8c_html_a5d05d3c03875b363db56e35882b55025"><div class="ttname"><a href="delay_8c.html#a5d05d3c03875b363db56e35882b55025">RTC_sleep_wakeup</a></div><div class="ttdeci">static volatile bool RTC_sleep_wakeup</div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00094">delay.c:94</a></div></div>
<div class="ttc" id="dbprint_8c_html_afbbbe6e04352a6b56d1d8a053ec4f941"><div class="ttname"><a href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a></div><div class="ttdeci">void dbcrit(char *message)</div><div class="ttdoc">Print a critical error string (char array) in red to USARTx and go to the next line. </div><div class="ttdef"><b>Definition:</b> <a href="dbprint_8c_source.html#l00541">dbprint.c:541</a></div></div>
<div class="ttc" id="delay_8c_html_a608c42d50a4df7f45d31ce5e1fbe1270"><div class="ttname"><a href="delay_8c.html#a608c42d50a4df7f45d31ce5e1fbe1270">LFXOFREQ</a></div><div class="ttdeci">#define LFXOFREQ</div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00087">delay.c:87</a></div></div>
<div class="ttc" id="delay_8c_html_afc77d1fb95870b5511dffff362261cb6"><div class="ttname"><a href="delay_8c.html#afc77d1fb95870b5511dffff362261cb6">sleeping</a></div><div class="ttdeci">bool sleeping</div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00101">delay.c:101</a></div></div>
<div class="ttc" id="vl53l1__types_8h_html_a435d1572bf3f880d55459d9805097f62"><div class="ttname"><a href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a></div><div class="ttdeci">unsigned int uint32_t</div><div class="ttdoc">Typedef defining 32 bit unsigned int type. The developer should modify this to suit the platform bein...</div><div class="ttdef"><b>Definition:</b> <a href="vl53l1__types_8h_source.html#l00078">vl53l1_types.h:78</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_d9edf6c004b4a7ff14fe9ae7a92214ee.html">firmware</a></li><li class="navelem"><a class="el" href="dir_9a5a365c58dea0dc152d55f461feaba5.html">EFM32HG222F64_iot-mbbr</a></li><li class="navelem"><a class="el" href="dir_07cf71b65af3d7a9f5557ec1f8ea51c9.html">src</a></li><li class="navelem"><a class="el" href="delay_8c.html">delay.c</a></li>
<li class="footer">Generated on Thu Sep 3 2020 04:44:25 for IoT-MBBR (masterthesis) by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
</ul>
</div>
</body>
</html>
48241ad08This file is pinned to the selected release. Download the original to open it in your design tool.