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<title>IoT-MBBR (masterthesis): firmware/EFM32HG222F64_iot-mbbr/src/adc.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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<p>ADC functionality for reading the (battery) voltage, internal temperature and CH4/5/6/7 voltages.
<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_adc.h"</code><br />
<code>#include "<a class="el" href="adc_8h_source.html">adc.h</a>"</code><br />
<code>#include "<a class="el" href="debug__dbprint_8h_source.html">debug_dbprint.h</a>"</code><br />
<code>#include "<a class="el" href="util_8h_source.html">util.h</a>"</code><br />
</div>
<p><a href="adc_8c_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:a3ce97199df8725e09a70857d43c34b48"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#a3ce97199df8725e09a70857d43c34b48">DBPRINT_TIMEOUT</a>   0</td></tr>
<tr class="separator:a3ce97199df8725e09a70857d43c34b48"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2207a269d247f40650eb3463f3700b43"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#a2207a269d247f40650eb3463f3700b43">TIMEOUT_CONVERSION</a>   70</td></tr>
<tr class="separator:a2207a269d247f40650eb3463f3700b43"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a6615c226917d25973e391ded79092b15"><td class="memItemLeft" align="right" valign="top">static float32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#a6615c226917d25973e391ded79092b15">convertToCelsius</a> (<a class="el" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> adcSample)</td></tr>
<tr class="memdesc:a6615c226917d25973e391ded79092b15"><td class="mdescLeft"> </td><td class="mdescRight">Method to convert an ADC value to a temperature value. <a href="#a6615c226917d25973e391ded79092b15">More...</a><br /></td></tr>
<tr class="separator:a6615c226917d25973e391ded79092b15"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab8a50016236d402e27a7e1b7f0f4cf52"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#ab8a50016236d402e27a7e1b7f0f4cf52">initADC</a> (<a class="el" href="adc_8h.html#a276c7770f520a2b96109d71d140ba4a5">ADC_Measurement_t</a> peripheral)</td></tr>
<tr class="memdesc:ab8a50016236d402e27a7e1b7f0f4cf52"><td class="mdescLeft"> </td><td class="mdescRight">Method to initialize the ADC to later check the battery voltage or internal temperature. <a href="#ab8a50016236d402e27a7e1b7f0f4cf52">More...</a><br /></td></tr>
<tr class="separator:ab8a50016236d402e27a7e1b7f0f4cf52"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac6cece90b77d0ba6c1afaf17f57bb790"><td class="memItemLeft" align="right" valign="top"><a class="el" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#ac6cece90b77d0ba6c1afaf17f57bb790">readADC</a> (<a class="el" href="adc_8h.html#a276c7770f520a2b96109d71d140ba4a5">ADC_Measurement_t</a> peripheral)</td></tr>
<tr class="memdesc:ac6cece90b77d0ba6c1afaf17f57bb790"><td class="mdescLeft"> </td><td class="mdescRight">Method to read the battery voltage or internal temperature. <a href="#ac6cece90b77d0ba6c1afaf17f57bb790">More...</a><br /></td></tr>
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<tr class="memitem:a3611206d185a38b740457a748712c457"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#a3611206d185a38b740457a748712c457">ADC0_IRQHandler</a> (void)</td></tr>
<tr class="memdesc:a3611206d185a38b740457a748712c457"><td class="mdescLeft"> </td><td class="mdescRight">Interrupt Service Routine for ADC0. <a href="#a3611206d185a38b740457a748712c457">More...</a><br /></td></tr>
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Variables</h2></td></tr>
<tr class="memitem:a06188fb5171000378979416d8d695df8"><td class="memItemLeft" align="right" valign="top">volatile bool </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#a06188fb5171000378979416d8d695df8">adcConversionComplete</a> = false</td></tr>
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<tr class="memitem:a643802e6534a4094866de9f51719ab15"><td class="memItemLeft" align="right" valign="top">ADC_Init_TypeDef </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#a643802e6534a4094866de9f51719ab15">init</a> = ADC_INIT_DEFAULT</td></tr>
<tr class="separator:a643802e6534a4094866de9f51719ab15"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abb29b43e9ebffe8cabd440815ada000e"><td class="memItemLeft" align="right" valign="top">ADC_InitSingle_TypeDef </td><td class="memItemRight" valign="bottom"><a class="el" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a> = ADC_INITSINGLE_DEFAULT</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>ADC functionality for reading the (battery) voltage, internal temperature and CH4/5/6/7 voltages. </p>
<dl class="section version"><dt>Version</dt><dd>3.0 </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 ADC functionality from <code>other.c</code> to this file. </li>
<li>v1.1: Removed re-initialization dbprint messages. </li>
<li>v1.2: Started using custom enum type and cleaned up some unnecessary statements after testing. </li>
<li>v1.3: Changed error numbering. </li>
<li>v1.4: Added timeout to <code>while</code> loop and changed types to <code>int32_t</code>. </li>
<li>v1.5: Refined timout functionality. </li>
<li>v2.0: 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>v2.1: Removed <code>static</code> before the local variables (not necessary). </li>
<li>v3.0: Added CH4/5/6/7 measurement capabilities.</li>
</ul>
<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="adc_8c_source.html">adc.c</a>.</p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a3ce97199df8725e09a70857d43c34b48"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3ce97199df8725e09a70857d43c34b48">◆ </a></span>DBPRINT_TIMEOUT</h2>
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<td class="memname">#define DBPRINT_TIMEOUT   0</td>
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<p>Enable (1) or disable (0) printing the timeout counter value using DBPRINT </p>
<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00064">64</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2207a269d247f40650eb3463f3700b43">◆ </a></span>TIMEOUT_CONVERSION</h2>
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<td class="memname">#define TIMEOUT_CONVERSION   70</td>
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<p>Maximum value for the counter before exiting a <code>while</code> loop </p>
<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00067">67</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
<a id="a3611206d185a38b740457a748712c457"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3611206d185a38b740457a748712c457">◆ </a></span>ADC0_IRQHandler()</h2>
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<td class="memname">void ADC0_IRQHandler </td>
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<td class="paramtype">void </td>
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<p>Interrupt Service Routine for ADC0. </p>
<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00376">376</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
<div class="fragment"><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>  <span class="comment">/* Read interrupt flags */</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <a class="code" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> flags = ADC_IntGet(ADC0);</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">/* Clear the ADC0 interrupt flags */</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  ADC_IntClear(ADC0, flags);</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>  <span class="comment">/* Indicate that an ADC conversion has been completed */</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <a class="code" href="adc_8c.html#a06188fb5171000378979416d8d695df8">adcConversionComplete</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> }</div><div class="ttc" id="adc_8c_html_a06188fb5171000378979416d8d695df8"><div class="ttname"><a href="adc_8c.html#a06188fb5171000378979416d8d695df8">adcConversionComplete</a></div><div class="ttdeci">volatile bool adcConversionComplete</div><div class="ttdef"><b>Definition:</b> <a href="adc_8c_source.html#l00071">adc.c:71</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="#a6615c226917d25973e391ded79092b15">◆ </a></span>convertToCelsius()</h2>
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<td class="memname">static float32_t convertToCelsius </td>
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<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> </td>
<td class="paramname"><em>adcSample</em></td><td>)</td>
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<p>Method to convert an ADC value to a temperature value. </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>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">adcSample</td><td>The ADC sample to convert to a temperature value.</td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>The converted temperature value. </dd></dl>
<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00351">351</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
<div class="fragment"><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> {</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  float32_t temp;</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">/* Factory calibration temperature from device information page. */</span></div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <a class="code" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> cal_temp_0 = ((DEVINFO->CAL & _DEVINFO_CAL_TEMP_MASK)</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  >> _DEVINFO_CAL_TEMP_SHIFT);</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>  <span class="comment">/* Factory calibration value from device information page. */</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <a class="code" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> cal_value_0 = ((DEVINFO->ADC0CAL2 & _DEVINFO_ADC0CAL2_TEMP1V25_MASK)</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  >> _DEVINFO_ADC0CAL2_TEMP1V25_SHIFT);</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> </div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="comment">/* Temperature gradient (from datasheet) */</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  float32_t t_grad = -6.27;</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>  temp = (cal_temp_0 - ((cal_value_0 - adcSample) / t_grad));</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> </div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">return</span> (temp);</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> }</div><div class="ttc" id="vl53l1__types_8h_html_a32f2e37ee053cf2ce8ca28d1f74630e5"><div class="ttname"><a href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a></div><div class="ttdeci">int int32_t</div><div class="ttdoc">Typedef defining 32 bit int type. The developer should modify this to suit the platform being deploye...</div><div class="ttdef"><b>Definition:</b> <a href="vl53l1__types_8h_source.html#l00083">vl53l1_types.h:83</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ab8a50016236d402e27a7e1b7f0f4cf52">◆ </a></span>initADC()</h2>
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<td class="memname">void initADC </td>
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<p>Method to initialize the ADC to later check the battery voltage or internal temperature. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">peripheral</td><td>Select the ADC peripheral to initialize. </td></tr>
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</dd>
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<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00087">87</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
<div class="fragment"><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> {</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">/* Enable necessary clocks (just in case) */</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  CMU_ClockEnable(cmuClock_HFPER, <span class="keyword">true</span>); <span class="comment">/* ADC0 is a High Frequency Peripheral */</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  CMU_ClockEnable(cmuClock_ADC0, <span class="keyword">true</span>);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">/* Set a timebase providing at least 1 us.</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"> * If the argument is "0" the currently defined HFPER clock setting is used. */</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="adc_8c.html#a643802e6534a4094866de9f51719ab15">init</a>.timebase = ADC_TimebaseCalc(0);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">/* Set a prescale value according to the ADC frequency (400 000 Hz) wanted.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * If the last argument is "0" the currently defined HFPER clock setting is for the calculation used. */</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="adc_8c.html#a643802e6534a4094866de9f51719ab15">init</a>.prescale = ADC_PrescaleCalc(400000, 0);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">/* Initialize ADC peripheral */</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  ADC_Init(ADC0, &<a class="code" href="adc_8c.html#a643802e6534a4094866de9f51719ab15">init</a>);</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="comment">/* Setup single conversions */</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">/* initSingle.acqTime = adcAcqTime16;</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> * The statement above was found in a SiLabs example but DRAMCO disabled it.</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> * After testing this seemed to have no real effect so it was disabled.</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> * This is probably not necessary since a prescale value other than 0 (default) has been defined. */</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a536d05df6092745fa011adfed26e6312">INTERNAL_TEMPERATURE</a>) <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInpTemp; <span class="comment">/* Internal temperature */</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a33dfae05581973af118a10481e139aba">BATTERY_VOLTAGE</a>) <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInpVDDDiv3; <span class="comment">/* Internal VDD/3 */</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a703cf81b7a9530ba8650e0ee2f29d68e">CH1</a>)</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInputCh4; <span class="comment">/* Channel 4 */</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef2V5; <span class="comment">/* Internal 2V5 reference (1V25 default) */</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926ae574b39c34bd88c27ea641014831e53a">CH2</a>)</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInputCh5; <span class="comment">/* Channel 5 */</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef2V5; <span class="comment">/* Internal 2V5 reference (1V25 default) */</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aaee6d12bf63ae430250764aa97e9e429">CH3</a>)</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInputCh6; <span class="comment">/* Channel 6 */</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef2V5; <span class="comment">/* Internal 2V5 reference (1V25 default) */</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="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aad6a6b3e7230ebcbbb5a26385b11ade7">CH4</a>)</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>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInputCh7; <span class="comment">/* Channel 7 */</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef2V5; <span class="comment">/* Internal 2V5 reference (1V25 default) */</span></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="keywordflow">else</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</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="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"Unknown ADC peripheral selected!"</span>);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">/* Disable used clock */</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  CMU_ClockEnable(cmuClock_ADC0, <span class="keyword">false</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>  <a class="code" href="util_8h.html#ab212081592c908bf57b591e3c6e7483d">error</a>(11);</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">/* Exit function */</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span>;</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> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  ADC_InitSingle(ADC0, &<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>);</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">/* Manually set some calibration values</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * ADC0->CAL = (0x7C << _ADC_CAL_SINGLEOFFSET_SHIFT) | (0x1F << _ADC_CAL_SINGLEGAIN_SHIFT);</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * The statement above was found in a SiLabs example but DRAMCO disabled it.</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * After testing this seemed to throw off the first measurement so it was disabled. */</span></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">/* Enable interrupt on completed conversion */</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  ADC_IntEnable(ADC0, ADC_IEN_SINGLE);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  NVIC_ClearPendingIRQ(ADC0_IRQn);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  NVIC_EnableIRQ(ADC0_IRQn);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">/* Disable used clock */</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  CMU_ClockEnable(cmuClock_ADC0, <span class="keyword">false</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">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a536d05df6092745fa011adfed26e6312">INTERNAL_TEMPERATURE</a>) <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"ADC0 initialized for internal temperature"</span>);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a33dfae05581973af118a10481e139aba">BATTERY_VOLTAGE</a>) <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"ADC0 initialized for VBAT"</span>);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a703cf81b7a9530ba8650e0ee2f29d68e">CH1</a>) <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"ADC0 initialized for CH1"</span>);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926ae574b39c34bd88c27ea641014831e53a">CH2</a>) <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"ADC0 initialized for CH2"</span>);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aaee6d12bf63ae430250764aa97e9e429">CH3</a>) <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"ADC0 initialized for CH3"</span>);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aad6a6b3e7230ebcbbb5a26385b11ade7">CH4</a>) <a class="code" href="dbprint_8c.html#acb5d4e1082c625ad85d835d4e053d4d8">dbinfo</a>(<span class="stringliteral">"ADC0 initialized for CH4"</span>);</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> }</div><div class="ttc" id="adc_8c_html_abb29b43e9ebffe8cabd440815ada000e"><div class="ttname"><a href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a></div><div class="ttdeci">ADC_InitSingle_TypeDef initSingle</div><div class="ttdef"><b>Definition:</b> <a href="adc_8c_source.html#l00073">adc.c:73</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926aad6a6b3e7230ebcbbb5a26385b11ade7"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aad6a6b3e7230ebcbbb5a26385b11ade7">CH4</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00053">adc.h:53</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926a703cf81b7a9530ba8650e0ee2f29d68e"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a703cf81b7a9530ba8650e0ee2f29d68e">CH1</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00050">adc.h:50</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="adc_8c_html_a643802e6534a4094866de9f51719ab15"><div class="ttname"><a href="adc_8c.html#a643802e6534a4094866de9f51719ab15">init</a></div><div class="ttdeci">ADC_Init_TypeDef init</div><div class="ttdef"><b>Definition:</b> <a href="adc_8c_source.html#l00072">adc.c:72</a></div></div>
<div class="ttc" id="util_8h_html_ab212081592c908bf57b591e3c6e7483d"><div class="ttname"><a href="util_8h.html#ab212081592c908bf57b591e3c6e7483d">error</a></div><div class="ttdeci">void error(uint8_t number)</div><div class="ttdoc">Error method. </div><div class="ttdef"><b>Definition:</b> <a href="util_8c_source.html#l00122">util.c:122</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926a33dfae05581973af118a10481e139aba"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a33dfae05581973af118a10481e139aba">BATTERY_VOLTAGE</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00048">adc.h:48</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926a536d05df6092745fa011adfed26e6312"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a536d05df6092745fa011adfed26e6312">INTERNAL_TEMPERATURE</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00049">adc.h:49</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926ae574b39c34bd88c27ea641014831e53a"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926ae574b39c34bd88c27ea641014831e53a">CH2</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00051">adc.h:51</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926aaee6d12bf63ae430250764aa97e9e429"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aaee6d12bf63ae430250764aa97e9e429">CH3</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00052">adc.h:52</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>
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<h2 class="memtitle"><span class="permalink"><a href="#ac6cece90b77d0ba6c1afaf17f57bb790">◆ </a></span>readADC()</h2>
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<td class="memname"><a class="el" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> readADC </td>
<td>(</td>
<td class="paramtype"><a class="el" href="adc_8h.html#a276c7770f520a2b96109d71d140ba4a5">ADC_Measurement_t</a> </td>
<td class="paramname"><em>peripheral</em></td><td>)</td>
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<p>Method to read the battery voltage or internal temperature. </p>
<p>This method re-initializes the ADC settings if necessary.<br />
<b>Negative internal temperatures work fine.</b></p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">peripheral</td><td>Select the ADC peripheral to read from.</td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The measured battery voltage or internal temperature. </dd></dl>
<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00189">189</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
<div class="fragment"><div class="line"><a name="l00190"></a><span class="lineno"> 190</span> {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="vl53l1__types_8h.html#a273cf69d639a59973b6019625df33e30">uint16_t</a> counter = 0; <span class="comment">/* Timeout counter */</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> value = 0; <span class="comment">/* Value to eventually return */</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>  <span class="comment">/* Enable necessary clock */</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  CMU_ClockEnable(cmuClock_ADC0, <span class="keyword">true</span>);</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">/* Change ADC settings if necessary */</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a536d05df6092745fa011adfed26e6312">INTERNAL_TEMPERATURE</a>)</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input != adcSingleInpTemp)</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInpTemp; <span class="comment">/* Internal temperature */</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef1V25; <span class="comment">/* Internal 1V25 reference (default) */</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  ADC_InitSingle(ADC0, &<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>);</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="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a33dfae05581973af118a10481e139aba">BATTERY_VOLTAGE</a>)</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  {</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">if</span> (<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input != adcSingleInpVDDDiv3)</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>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInpVDDDiv3; <span class="comment">/* Internal VDD/3 */</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef1V25; <span class="comment">/* Internal 1V25 reference (default) */</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  ADC_InitSingle(ADC0, &<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>);</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</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="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a703cf81b7a9530ba8650e0ee2f29d68e">CH1</a>)</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  {</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input != adcSingleInputCh4)</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>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInputCh4; <span class="comment">/* Channel 4 */</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef2V5; <span class="comment">/* Internal 2V5 reference (1V25 default) */</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  ADC_InitSingle(ADC0, &<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>);</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</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>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926ae574b39c34bd88c27ea641014831e53a">CH2</a>)</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  {</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">if</span> (<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input != adcSingleInputCh5)</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  {</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInputCh5; <span class="comment">/* Channel 5 */</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef2V5; <span class="comment">/* Internal 2V5 reference (1V25 default) */</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  ADC_InitSingle(ADC0, &<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>);</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>  }</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aaee6d12bf63ae430250764aa97e9e429">CH3</a>)</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  {</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input != adcSingleInputCh6)</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>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInputCh6; <span class="comment">/* Channel 6 */</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef2V5; <span class="comment">/* Internal 2V5 reference (1V25 default) */</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  ADC_InitSingle(ADC0, &<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>);</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>  }</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aad6a6b3e7230ebcbbb5a26385b11ade7">CH4</a>)</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="keywordflow">if</span> (<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input != adcSingleInputCh7)</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>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.input = adcSingleInputCh7; <span class="comment">/* Channel 7 */</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>.reference = adcRef2V5; <span class="comment">/* Internal 2V5 reference (1V25 default) */</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  ADC_InitSingle(ADC0, &<a class="code" href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a>);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  {</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</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="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"Unknown ADC peripheral selected!"</span>);</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></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="comment">/* Disable used clock */</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  CMU_ClockEnable(cmuClock_ADC0, <span class="keyword">false</span>);</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="util_8h.html#ab212081592c908bf57b591e3c6e7483d">error</a>(12);</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="comment">/* Exit function */</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> (0);</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</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="comment">/* Set variable false just in case */</span></div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="adc_8c.html#a06188fb5171000378979416d8d695df8">adcConversionComplete</a> = <span class="keyword">false</span>;</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">/* Start single ADC conversion */</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  ADC_Start(ADC0, adcStartSingle);</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">/* Wait until the conversion is completed */</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">while</span> ((counter < <a class="code" href="adc_8c.html#a2207a269d247f40650eb3463f3700b43">TIMEOUT_CONVERSION</a>) && !<a class="code" href="adc_8c.html#a06188fb5171000378979416d8d695df8">adcConversionComplete</a>) counter++;</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>  <span class="comment">/* Exit the function if the maximum waiting time was reached */</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">if</span> (counter == <a class="code" href="adc_8c.html#a2207a269d247f40650eb3463f3700b43">TIMEOUT_CONVERSION</a>)</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> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"Waiting time for ADC conversion reached!"</span>);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">/* Disable used clock */</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  CMU_ClockEnable(cmuClock_ADC0, <span class="keyword">false</span>);</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <a class="code" href="util_8h.html#ab212081592c908bf57b591e3c6e7483d">error</a>(13);</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">/* Exit function */</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">return</span> (0);</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor">#if DBPRINT_TIMEOUT == 1 </span><span class="comment">/* DBPRINT_TIMEOUT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  {</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00297"></a><span class="lineno"> 297</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="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="dbprint_8c.html#ada27783fef89d9c9af4976baab87c477">dbwarnInt</a>(<span class="stringliteral">"ADC conversion ("</span>, counter, <span class="stringliteral">")"</span>);</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </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> <span class="preprocessor">#endif </span><span class="comment">/* DBPRINT_TIMEOUT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">/* Get the ADC value */</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  value = ADC_DataSingleGet(ADC0);</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>  <a class="code" href="dbprint_8c.html#ada27783fef89d9c9af4976baab87c477">dbwarnInt</a>(<span class="stringliteral">"ADC value = "</span>, value, <span class="stringliteral">""</span>); <span class="comment">// Debugging</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="comment">/* Disable used clock */</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  CMU_ClockEnable(cmuClock_ADC0, <span class="keyword">false</span>);</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">/* Calculate final value according to parameter */</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a536d05df6092745fa011adfed26e6312">INTERNAL_TEMPERATURE</a>)</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  {</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  float32_t ft = <a class="code" href="adc_8c.html#a6615c226917d25973e391ded79092b15">convertToCelsius</a>(value)*1000;</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  value = (<a class="code" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a>) ft;</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a33dfae05581973af118a10481e139aba">BATTERY_VOLTAGE</a>)</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">/* 12 bit: 2^12 = 4096 */</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  float32_t fv = (value * 3.75) / 4.096;</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  value = (<a class="code" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a>) fv;</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>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a703cf81b7a9530ba8650e0ee2f29d68e">CH1</a> || peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926ae574b39c34bd88c27ea641014831e53a">CH2</a> || peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aaee6d12bf63ae430250764aa97e9e429">CH3</a> || peripheral == <a class="code" href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aad6a6b3e7230ebcbbb5a26385b11ade7">CH4</a>)</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  {</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">/* 2.5 = reference voltage</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> * 12 bit: 2^12 = 4096 (comma placement is for int32_t conversion...) */</span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="dbprint_8c.html#a5e059a469cca8341eb0a84e5c352f518">dbprintln</a>(<span class="stringliteral">"Here!"</span>);</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  float32_t fv = (value * 2.5) / 409.6;</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  value = (<a class="code" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a>) fv;</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">return</span> (value);</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> }</div><div class="ttc" id="dbprint_8c_html_a5e059a469cca8341eb0a84e5c352f518"><div class="ttname"><a href="dbprint_8c.html#a5e059a469cca8341eb0a84e5c352f518">dbprintln</a></div><div class="ttdeci">void dbprintln(char *message)</div><div class="ttdoc">Print a string (char array) to USARTx and go to the next line. </div><div class="ttdef"><b>Definition:</b> <a href="dbprint_8c_source.html#l00397">dbprint.c:397</a></div></div>
<div class="ttc" id="adc_8c_html_abb29b43e9ebffe8cabd440815ada000e"><div class="ttname"><a href="adc_8c.html#abb29b43e9ebffe8cabd440815ada000e">initSingle</a></div><div class="ttdeci">ADC_InitSingle_TypeDef initSingle</div><div class="ttdef"><b>Definition:</b> <a href="adc_8c_source.html#l00073">adc.c:73</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926aad6a6b3e7230ebcbbb5a26385b11ade7"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aad6a6b3e7230ebcbbb5a26385b11ade7">CH4</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00053">adc.h:53</a></div></div>
<div class="ttc" id="dbprint_8c_html_ada27783fef89d9c9af4976baab87c477"><div class="ttname"><a href="dbprint_8c.html#ada27783fef89d9c9af4976baab87c477">dbwarnInt</a></div><div class="ttdeci">void dbwarnInt(char *message1, int32_t value, char *message2)</div><div class="ttdoc">Print a warning value surrounded by two strings (char array) to USARTx. </div><div class="ttdef"><b>Definition:</b> <a href="dbprint_8c_source.html#l00600">dbprint.c:600</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926a703cf81b7a9530ba8650e0ee2f29d68e"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a703cf81b7a9530ba8650e0ee2f29d68e">CH1</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00050">adc.h:50</a></div></div>
<div class="ttc" id="adc_8c_html_a2207a269d247f40650eb3463f3700b43"><div class="ttname"><a href="adc_8c.html#a2207a269d247f40650eb3463f3700b43">TIMEOUT_CONVERSION</a></div><div class="ttdeci">#define TIMEOUT_CONVERSION</div><div class="ttdef"><b>Definition:</b> <a href="adc_8c_source.html#l00067">adc.c:67</a></div></div>
<div class="ttc" id="adc_8c_html_a6615c226917d25973e391ded79092b15"><div class="ttname"><a href="adc_8c.html#a6615c226917d25973e391ded79092b15">convertToCelsius</a></div><div class="ttdeci">static float32_t convertToCelsius(int32_t adcSample)</div><div class="ttdoc">Method to convert an ADC value to a temperature value. </div><div class="ttdef"><b>Definition:</b> <a href="adc_8c_source.html#l00351">adc.c:351</a></div></div>
<div class="ttc" id="util_8h_html_ab212081592c908bf57b591e3c6e7483d"><div class="ttname"><a href="util_8h.html#ab212081592c908bf57b591e3c6e7483d">error</a></div><div class="ttdeci">void error(uint8_t number)</div><div class="ttdoc">Error method. </div><div class="ttdef"><b>Definition:</b> <a href="util_8c_source.html#l00122">util.c:122</a></div></div>
<div class="ttc" id="adc_8c_html_a06188fb5171000378979416d8d695df8"><div class="ttname"><a href="adc_8c.html#a06188fb5171000378979416d8d695df8">adcConversionComplete</a></div><div class="ttdeci">volatile bool adcConversionComplete</div><div class="ttdef"><b>Definition:</b> <a href="adc_8c_source.html#l00071">adc.c:71</a></div></div>
<div class="ttc" id="vl53l1__types_8h_html_a32f2e37ee053cf2ce8ca28d1f74630e5"><div class="ttname"><a href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a></div><div class="ttdeci">int int32_t</div><div class="ttdoc">Typedef defining 32 bit int type. The developer should modify this to suit the platform being deploye...</div><div class="ttdef"><b>Definition:</b> <a href="vl53l1__types_8h_source.html#l00083">vl53l1_types.h:83</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926a33dfae05581973af118a10481e139aba"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a33dfae05581973af118a10481e139aba">BATTERY_VOLTAGE</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00048">adc.h:48</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926a536d05df6092745fa011adfed26e6312"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926a536d05df6092745fa011adfed26e6312">INTERNAL_TEMPERATURE</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00049">adc.h:49</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926ae574b39c34bd88c27ea641014831e53a"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926ae574b39c34bd88c27ea641014831e53a">CH2</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00051">adc.h:51</a></div></div>
<div class="ttc" id="adc_8h_html_a8d24200decb8cc61e4c749c435e80926aaee6d12bf63ae430250764aa97e9e429"><div class="ttname"><a href="adc_8h.html#a8d24200decb8cc61e4c749c435e80926aaee6d12bf63ae430250764aa97e9e429">CH3</a></div><div class="ttdef"><b>Definition:</b> <a href="adc_8h_source.html#l00052">adc.h:52</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_a273cf69d639a59973b6019625df33e30"><div class="ttname"><a href="vl53l1__types_8h.html#a273cf69d639a59973b6019625df33e30">uint16_t</a></div><div class="ttdeci">unsigned short uint16_t</div><div class="ttdoc">Typedef defining 16 bit unsigned short type. The developer should modify this to suit the platform be...</div><div class="ttdef"><b>Definition:</b> <a href="vl53l1__types_8h_source.html#l00088">vl53l1_types.h:88</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="#a06188fb5171000378979416d8d695df8">◆ </a></span>adcConversionComplete</h2>
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<td class="memname">volatile bool adcConversionComplete = false</td>
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<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00071">71</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a643802e6534a4094866de9f51719ab15">◆ </a></span>init</h2>
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<td class="memname">ADC_Init_TypeDef init = ADC_INIT_DEFAULT</td>
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<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00072">72</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#abb29b43e9ebffe8cabd440815ada000e">◆ </a></span>initSingle</h2>
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<td class="memname">ADC_InitSingle_TypeDef initSingle = ADC_INITSINGLE_DEFAULT</td>
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<p class="definition">Definition at line <a class="el" href="adc_8c_source.html#l00073">73</a> of file <a class="el" href="adc_8c_source.html">adc.c</a>.</p>
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