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<title>IoT-MBBR (masterthesis): firmware/EFM32HG222F64_iot-mbbr/src/delay.c File Reference</title>
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<div id="projectname">IoT-MBBR (masterthesis)
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<div id="projectbrief">Masterthesis upgrading a Moving Bed BioReactor with extra sensors and cloud connectivity.</div>
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<div class="title">delay.c File Reference</div> </div>
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<p>Delay functionality.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <stdint.h></code><br />
<code>#include <stdbool.h></code><br />
<code>#include "em_device.h"</code><br />
<code>#include "em_cmu.h"</code><br />
<code>#include "em_emu.h"</code><br />
<code>#include "em_gpio.h"</code><br />
<code>#include "em_rtc.h"</code><br />
<code>#include "<a class="el" href="delay_8h_source.html">delay.h</a>"</code><br />
<code>#include "<a class="el" href="debug__dbprint_8h_source.html">debug_dbprint.h</a>"</code><br />
</div>
<p><a href="delay_8c_source.html">Go to the source code of this file.</a></p>
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Macros</h2></td></tr>
<tr class="memitem:a32d3f5f00133102c9c845ca65e7d5d77"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#a32d3f5f00133102c9c845ca65e7d5d77">ULFRCOFREQ</a>   1000</td></tr>
<tr class="separator:a32d3f5f00133102c9c845ca65e7d5d77"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7dfc303d591a9e657e53c979d8e0c664"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#a7dfc303d591a9e657e53c979d8e0c664">ULFRCOFREQ_MS</a>   1.000</td></tr>
<tr class="separator:a7dfc303d591a9e657e53c979d8e0c664"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a608c42d50a4df7f45d31ce5e1fbe1270"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#a608c42d50a4df7f45d31ce5e1fbe1270">LFXOFREQ</a>   32768</td></tr>
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<tr class="memitem:acde5abcdec802c050f0fdf095fb28343"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#acde5abcdec802c050f0fdf095fb28343">LFXOFREQ_MS</a>   32.768</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:aecf4672ef62001664f5ebc953755da1d"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#aecf4672ef62001664f5ebc953755da1d">initRTC</a> (void)</td></tr>
<tr class="memdesc:aecf4672ef62001664f5ebc953755da1d"><td class="mdescLeft"> </td><td class="mdescRight">RTC initialization. <a href="#aecf4672ef62001664f5ebc953755da1d">More...</a><br /></td></tr>
<tr class="separator:aecf4672ef62001664f5ebc953755da1d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adb46f4276f5ddf111153701858f85df6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#adb46f4276f5ddf111153701858f85df6">delay</a> (<a class="el" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> msDelay)</td></tr>
<tr class="memdesc:adb46f4276f5ddf111153701858f85df6"><td class="mdescLeft"> </td><td class="mdescRight">Wait for a certain amount of milliseconds in EM2/3. <a href="#adb46f4276f5ddf111153701858f85df6">More...</a><br /></td></tr>
<tr class="separator:adb46f4276f5ddf111153701858f85df6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aae86f940455b5957441f4331cdc0828d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#aae86f940455b5957441f4331cdc0828d">sleep</a> (<a class="el" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> sSleep)</td></tr>
<tr class="memdesc:aae86f940455b5957441f4331cdc0828d"><td class="mdescLeft"> </td><td class="mdescRight">Sleep for a certain amount of seconds in EM2/3. <a href="#aae86f940455b5957441f4331cdc0828d">More...</a><br /></td></tr>
<tr class="separator:aae86f940455b5957441f4331cdc0828d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7bfbeaf084abaa0fc6baf77a1640b598"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#a7bfbeaf084abaa0fc6baf77a1640b598">RTC_checkWakeup</a> (void)</td></tr>
<tr class="memdesc:a7bfbeaf084abaa0fc6baf77a1640b598"><td class="mdescLeft"> </td><td class="mdescRight">Method to check if the wakeup was caused by the RTC. <a href="#a7bfbeaf084abaa0fc6baf77a1640b598">More...</a><br /></td></tr>
<tr class="separator:a7bfbeaf084abaa0fc6baf77a1640b598"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a072ccec54e047acce2566984c28b0232"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#a072ccec54e047acce2566984c28b0232">RTC_clearWakeup</a> (void)</td></tr>
<tr class="memdesc:a072ccec54e047acce2566984c28b0232"><td class="mdescLeft"> </td><td class="mdescRight">Method to clear <code>RTC_sleep_wakeup</code>. <a href="#a072ccec54e047acce2566984c28b0232">More...</a><br /></td></tr>
<tr class="separator:a072ccec54e047acce2566984c28b0232"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3e274aac5f6eaff85d00c25c6edff5a3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#a3e274aac5f6eaff85d00c25c6edff5a3">RTC_getPassedSleeptime</a> (void)</td></tr>
<tr class="memdesc:a3e274aac5f6eaff85d00c25c6edff5a3"><td class="mdescLeft"> </td><td class="mdescRight">Method to get the time spend sleeping (in seconds) in the case of GPIO wake-up. <a href="#a3e274aac5f6eaff85d00c25c6edff5a3">More...</a><br /></td></tr>
<tr class="separator:a3e274aac5f6eaff85d00c25c6edff5a3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab86b9dd0d7b4eacfe38086e1fa4c2312"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#ab86b9dd0d7b4eacfe38086e1fa4c2312">RTC_IRQHandler</a> (void)</td></tr>
<tr class="memdesc:ab86b9dd0d7b4eacfe38086e1fa4c2312"><td class="mdescLeft"> </td><td class="mdescRight">Interrupt Service Routine for the RTC. <a href="#ab86b9dd0d7b4eacfe38086e1fa4c2312">More...</a><br /></td></tr>
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Variables</h2></td></tr>
<tr class="memitem:a5d05d3c03875b363db56e35882b55025"><td class="memItemLeft" align="right" valign="top">static volatile bool </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#a5d05d3c03875b363db56e35882b55025">RTC_sleep_wakeup</a> = false</td></tr>
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<tr class="memitem:afc77d1fb95870b5511dffff362261cb6"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#afc77d1fb95870b5511dffff362261cb6">sleeping</a> = false</td></tr>
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<tr class="memitem:a31a8d0ba2d09ee649bb6d17829f89712"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="delay_8c.html#a31a8d0ba2d09ee649bb6d17829f89712">RTC_initialized</a> = false</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Delay functionality. </p>
<dl class="section version"><dt>Version</dt><dd>3.4 </dd></dl>
<dl class="section author"><dt>Author</dt><dd>Brecht Van Eeckhoudt</dd></dl>
<hr/>
<h1><a class="anchor" id="Versions"></a>
Versions</h1>
<ul>
<li>v1.0: Moved delay functionality from <code><a class="el" href="util_8c.html" title="Utility functionality. ">util.c</a></code> to this file. </li>
<li>v1.1: Changed global variables to be static (~hidden) and added dbprint <code>\ n \ r</code> fixes. </li>
<li>v1.2: Removed EM1 delay method (see note in delayRTCC_EM2). </li>
<li>v1.3: Cleaned up includes, added option to select SysTick/EM2 delay functionality and moved all of the logic in one <code>delay</code> method. Renamed sleep method. </li>
<li>v1.4: Changed names of static variables, made initRTCcomp static. </li>
<li>v1.5: Updated documentation. </li>
<li>v1.6: Changed RTCcomp names to RTC. </li>
<li>v1.7: Moved IRQ handler of RTC to this file. </li>
<li>v1.8: Added ULFRCO logic. </li>
<li>v1.9: Updated code with new DEFINE checks. </li>
<li>v2.0: Added functionality to enable/disable the clocks only when necessary. </li>
<li>v2.1: Added functionality to check if a wakeup was caused by the RTC. </li>
<li>v2.2: Removed some clock disabling statements. </li>
<li>v2.3: Changed error numbering. </li>
<li>v2.4: Moved definitions from header to source file. </li>
<li>v2.5: Added functionality to the time spend sleeping. </li>
<li>v3.0: Disabled peripheral clock before entering an <code>error</code> function, added functionality to exit methods after <code>error</code> call and updated version number. </li>
<li>v3.1: Removed <code>static</code> before some local variables (not necessary). </li>
<li>v3.2: Moved <code>msTicks</code> variable and systick handler in <code>#if</code> check. </li>
<li>v3.3: Added include for the boolean type in the header file, changed <code>dbwarnInt</code> to <code>dbinfoInt</code>, added the ability to enable/disable the sleep-announcing. </li>
<li>v3.4: Added logic to initialize delay/sleep when calling the methods using <code>0</code> as the delay time.</li>
</ul>
<hr/>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000002">Todo:</a></b></dt><dd><b>Future improvements:</b><br />
<ul>
<li>Enable/disable clock functionality? (see comments using <code>//</code>)</li>
</ul>
</dd></dl>
<hr/>
<h1><a class="anchor" id="License"></a>
License</h1>
<p><b>Copyright (C) 2020 - Brecht Van Eeckhoudt</b></p>
<p>This program is free software: you can redistribute it and/or modify it under the terms of the <b>GNU General Public License</b> as published by the Free Software Foundation, either <b>version 3</b> of the License, or (at your option) any later version.</p>
<p>This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.</p>
<p><em>A copy of the GNU General Public License can be found in the <code>LICENSE</code> file along with this source code.</em></p>
<p><br />
Some methods use code obtained from examples from <a href="https://github.com/SiliconLabs/peripheral_examples">Silicon Labs' GitHub</a>. These sections are licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement. </p>
<p class="definition">Definition in file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a608c42d50a4df7f45d31ce5e1fbe1270"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a608c42d50a4df7f45d31ce5e1fbe1270">◆ </a></span>LFXOFREQ</h2>
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<td class="memname">#define LFXOFREQ   32768</td>
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<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00087">87</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#acde5abcdec802c050f0fdf095fb28343">◆ </a></span>LFXOFREQ_MS</h2>
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<td class="memname">#define LFXOFREQ_MS   32.768</td>
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<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00088">88</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a32d3f5f00133102c9c845ca65e7d5d77">◆ </a></span>ULFRCOFREQ</h2>
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<td class="memname">#define ULFRCOFREQ   1000</td>
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<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00085">85</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7dfc303d591a9e657e53c979d8e0c664">◆ </a></span>ULFRCOFREQ_MS</h2>
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<td class="memname">#define ULFRCOFREQ_MS   1.000</td>
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<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00086">86</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
<a id="adb46f4276f5ddf111153701858f85df6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adb46f4276f5ddf111153701858f85df6">◆ </a></span>delay()</h2>
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<td class="memname">void delay </td>
<td>(</td>
<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> </td>
<td class="paramname"><em>msDelay</em></td><td>)</td>
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<p>Wait for a certain amount of milliseconds in EM2/3. </p>
<p>This method can be called with the argument <code>0</code> to force initialization.<br />
This method also initializes SysTick/RTC if necessary.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">msDelay</td><td>The delay time in <b>milliseconds</b>. </td></tr>
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</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00124">124</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
<div class="fragment"><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="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_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="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="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>
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<h2 class="memtitle"><span class="permalink"><a href="#aecf4672ef62001664f5ebc953755da1d">◆ </a></span>initRTC()</h2>
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<td class="memname">static void initRTC </td>
<td>(</td>
<td class="paramtype">void </td>
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<p>RTC initialization. </p>
<dl class="section note"><dt>Note</dt><dd>This is a static method because it's only internally used in this file and called by other methods if necessary. </dd></dl>
<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00481">481</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
<div class="fragment"><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="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>
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<h2 class="memtitle"><span class="permalink"><a href="#a7bfbeaf084abaa0fc6baf77a1640b598">◆ </a></span>RTC_checkWakeup()</h2>
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<td class="memname">bool RTC_checkWakeup </td>
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<p>Method to check if the wakeup was caused by the RTC. </p>
<dl class="section return"><dt>Returns</dt><dd>The value of <code>RTC_sleep_wakeup</code>. </dd></dl>
<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00432">432</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
<div class="fragment"><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="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>
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<h2 class="memtitle"><span class="permalink"><a href="#a072ccec54e047acce2566984c28b0232">◆ </a></span>RTC_clearWakeup()</h2>
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<td class="memname">void RTC_clearWakeup </td>
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<p>Method to clear <code>RTC_sleep_wakeup</code>. </p>
<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00442">442</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
<div class="fragment"><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="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>
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<h2 class="memtitle"><span class="permalink"><a href="#a3e274aac5f6eaff85d00c25c6edff5a3">◆ </a></span>RTC_getPassedSleeptime()</h2>
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<td class="memname"><a class="el" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> RTC_getPassedSleeptime </td>
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<p>Method to get the time spend sleeping (in seconds) in the case of GPIO wake-up. </p>
<dl class="section return"><dt>Returns</dt><dd>The time spend sleeping in <b>seconds</b>. </dd></dl>
<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00456">456</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
<div class="fragment"><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="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="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="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>
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<h2 class="memtitle"><span class="permalink"><a href="#ab86b9dd0d7b4eacfe38086e1fa4c2312">◆ </a></span>RTC_IRQHandler()</h2>
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<td class="memname">void RTC_IRQHandler </td>
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<p>Interrupt Service Routine for the RTC. </p>
<dl class="section note"><dt>Note</dt><dd>The <em>weak</em> definition for this method is located in <code>system_efm32hg.h</code>. </dd></dl>
<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00557">557</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
<div class="fragment"><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_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="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>
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<h2 class="memtitle"><span class="permalink"><a href="#aae86f940455b5957441f4331cdc0828d">◆ </a></span>sleep()</h2>
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<td class="memname">void sleep </td>
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<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> </td>
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<p>Sleep for a certain amount of seconds in EM2/3. </p>
<p>This method also initializes the RTC if necessary.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00293">293</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
<div class="fragment"><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="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_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>
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<h2 class="groupheader">Variable Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a31a8d0ba2d09ee649bb6d17829f89712">◆ </a></span>RTC_initialized</h2>
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<td class="memname">bool RTC_initialized = false</td>
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<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00102">102</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5d05d3c03875b363db56e35882b55025">◆ </a></span>RTC_sleep_wakeup</h2>
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<td class="memname">volatile bool RTC_sleep_wakeup = false</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00094">94</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afc77d1fb95870b5511dffff362261cb6">◆ </a></span>sleeping</h2>
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<td class="memname">bool sleeping = false</td>
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<p class="definition">Definition at line <a class="el" href="delay_8c_source.html#l00101">101</a> of file <a class="el" href="delay_8c_source.html">delay.c</a>.</p>
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