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<title>IoT-MBBR (masterthesis): firmware/EFM32HG222F64_iot-mbbr/src/DS18B20.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">DS18B20.c File Reference</div> </div>
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<p>All code for the DS18B20 temperature sensor.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <stdint.h></code><br />
<code>#include <stdbool.h></code><br />
<code>#include "em_cmu.h"</code><br />
<code>#include "em_gpio.h"</code><br />
<code>#include "<a class="el" href="DS18B20_8h_source.html">DS18B20.h</a>"</code><br />
<code>#include "<a class="el" href="pin__mapping_8h_source.html">pin_mapping.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="delay_8h_source.html">delay.h</a>"</code><br />
<code>#include "<a class="el" href="util_8h_source.html">util.h</a>"</code><br />
<code>#include "ustimer.h"</code><br />
</div>
<p><a href="DS18B20_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="DS18B20_8c.html#a3ce97199df8725e09a70857d43c34b48">DBPRINT_TIMEOUT</a>   0</td></tr>
<tr class="separator:a3ce97199df8725e09a70857d43c34b48"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae305f3dbacc26e6156ddbd8bea11f439"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="DS18B20_8c.html#ae305f3dbacc26e6156ddbd8bea11f439">TIMEOUT_INIT</a>   100</td></tr>
<tr class="separator:ae305f3dbacc26e6156ddbd8bea11f439"><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="DS18B20_8c.html#a2207a269d247f40650eb3463f3700b43">TIMEOUT_CONVERSION</a>   500 /* 12 bit resolution (reset default) = 750 ms max resolving time */</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:a18c654814f39bc8a73d8ab8e1676c123"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="DS18B20_8c.html#a18c654814f39bc8a73d8ab8e1676c123">powerDS18B20</a> (<a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> number, bool enabled)</td></tr>
<tr class="memdesc:a18c654814f39bc8a73d8ab8e1676c123"><td class="mdescLeft"> </td><td class="mdescRight">Enable or disable the power to the temperature sensor. <a href="#a18c654814f39bc8a73d8ab8e1676c123">More...</a><br /></td></tr>
<tr class="separator:a18c654814f39bc8a73d8ab8e1676c123"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a687bb3dd6e7872107c4e81a2b043814e"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="DS18B20_8c.html#a687bb3dd6e7872107c4e81a2b043814e">init_DS18B20</a> (<a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> number)</td></tr>
<tr class="memdesc:a687bb3dd6e7872107c4e81a2b043814e"><td class="mdescLeft"> </td><td class="mdescRight">Initialize communication to the DS18B20. <a href="#a687bb3dd6e7872107c4e81a2b043814e">More...</a><br /></td></tr>
<tr class="separator:a687bb3dd6e7872107c4e81a2b043814e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2cf798b83879860d0aca6f9e7c69a8fb"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="DS18B20_8c.html#a2cf798b83879860d0aca6f9e7c69a8fb">writeByteDS18B20</a> (<a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> number, <a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> <a class="el" href="main_8c.html#ad2c9072e6e6a5758dfc647e1a08a9509">data</a>)</td></tr>
<tr class="memdesc:a2cf798b83879860d0aca6f9e7c69a8fb"><td class="mdescLeft"> </td><td class="mdescRight">Write a byte (<code>uint8_t</code>) to the DS18B20. <a href="#a2cf798b83879860d0aca6f9e7c69a8fb">More...</a><br /></td></tr>
<tr class="separator:a2cf798b83879860d0aca6f9e7c69a8fb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab304cf2afd2f31a2e665239a0a3880c2"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="DS18B20_8c.html#ab304cf2afd2f31a2e665239a0a3880c2">readByteDS18B20</a> (<a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> number)</td></tr>
<tr class="memdesc:ab304cf2afd2f31a2e665239a0a3880c2"><td class="mdescLeft"> </td><td class="mdescRight">Read a byte (<code>uint8_t</code>) from the DS18B20. <a href="#ab304cf2afd2f31a2e665239a0a3880c2">More...</a><br /></td></tr>
<tr class="separator:ab304cf2afd2f31a2e665239a0a3880c2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a3bda987c27e677880c5435f43a0da7"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="DS18B20_8c.html#a9a3bda987c27e677880c5435f43a0da7">convertTempData</a> (<a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> tempLS, <a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> tempMS)</td></tr>
<tr class="memdesc:a9a3bda987c27e677880c5435f43a0da7"><td class="mdescLeft"> </td><td class="mdescRight">Convert temperature data. <a href="#a9a3bda987c27e677880c5435f43a0da7">More...</a><br /></td></tr>
<tr class="separator:a9a3bda987c27e677880c5435f43a0da7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4eb4b34359542254ef44dd90a4a1782c"><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="DS18B20_8c.html#a4eb4b34359542254ef44dd90a4a1782c">readTempDS18B20</a> (<a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> number)</td></tr>
<tr class="memdesc:a4eb4b34359542254ef44dd90a4a1782c"><td class="mdescLeft"> </td><td class="mdescRight">Get a temperature value from the DS18B20. <a href="#a4eb4b34359542254ef44dd90a4a1782c">More...</a><br /></td></tr>
<tr class="separator:a4eb4b34359542254ef44dd90a4a1782c"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:a15d168cfa0b12fecd30fdf71e3dd3f70"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="DS18B20_8c.html#a15d168cfa0b12fecd30fdf71e3dd3f70">TEMP0_VDD_initialized</a> = false</td></tr>
<tr class="separator:a15d168cfa0b12fecd30fdf71e3dd3f70"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab6af513120ff668f6e9703badd3ccd95"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="DS18B20_8c.html#ab6af513120ff668f6e9703badd3ccd95">TEMP1_VDD_initialized</a> = false</td></tr>
<tr class="separator:ab6af513120ff668f6e9703badd3ccd95"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>All code for the DS18B20 temperature sensor. </p>
<dl class="section version"><dt>Version</dt><dd>4.0 </dd></dl>
<dl class="section author"><dt>Author</dt><dd>Alec Vanderhaegen & Sarah Goossens<br />
Heavily modified by Brecht Van Eeckhoudt</dd></dl>
<hr/>
<h1><a class="anchor" id="Versions"></a>
Versions</h1>
<ul>
<li>v1.0: Reformatted existing methods to use <a class="el" href="pin__mapping_8h.html" title="The pin definitions for the custom board. ">pin_mapping.h</a>, changed unsigned char to uint8_t values, added comments and cleaned up includes. </li>
<li>v1.1: Added documentation, removed unnecessary GPIO statements regarding DOUT values of VDD pin. </li>
<li>v1.2: Removed some unnecessary GPIO lines and added comments about <code>out</code> (DOUT) argument. </li>
<li>v1.3: Changed some methods to be static (~hidden). </li>
<li>v1.4: Cleaned up includes. </li>
<li>v1.5: Made more methods static. </li>
<li>v1.6: Updated documentation. </li>
<li>v1.7: Started using new delay functionality. </li>
<li>v1.8: Added line to disable DATA pin after a measurement, this breaks the code but fixes the sleep current. </li>
<li>v1.9: Enabled and disabled timer each time a measurement is taken. </li>
<li>v2.0: Updated documentation. </li>
<li>v2.1: Changed method to return <code>uint32_t</code> instead of float. </li>
<li>v2.2: Changed error numbering, moved definition from header to source file and updated header file include. </li>
<li>v2.3: Changed <em>timeout</em> variable and changed types to <code>int32_t</code>. </li>
<li>v2.4: Fixed temperature measurement and refined timeout functionality. </li>
<li>v2.5: Updated documentation. </li>
<li>v2.6: Updated code to don't execute code further if the first initialization failed. </li>
<li>v3.0: Disabled initialized functionality 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 the local variable (not necessary). </li>
<li>v4.0: Fixed timing for reading/writing bytes.</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 also 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="DS18B20_8c_source.html">DS18B20.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="DS18B20_8c_source.html#l00081">81</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
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<a id="a2207a269d247f40650eb3463f3700b43"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2207a269d247f40650eb3463f3700b43">◆ </a></span>TIMEOUT_CONVERSION</h2>
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<td class="memname">#define TIMEOUT_CONVERSION   500 /* 12 bit resolution (reset default) = 750 ms max resolving time */</td>
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<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00085">85</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
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<a id="ae305f3dbacc26e6156ddbd8bea11f439"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae305f3dbacc26e6156ddbd8bea11f439">◆ </a></span>TIMEOUT_INIT</h2>
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<td class="memname">#define TIMEOUT_INIT   100</td>
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<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00084">84</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
<a id="a9a3bda987c27e677880c5435f43a0da7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9a3bda987c27e677880c5435f43a0da7">◆ </a></span>convertTempData()</h2>
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<td class="memname">static <a class="el" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> convertTempData </td>
<td>(</td>
<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td>
<td class="paramname"><em>tempLS</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td>
<td class="paramname"><em>tempMS</em> </td>
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<td>)</td>
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<p>Convert temperature data. </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">tempLS</td><td>Least significant byte.</td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">tempMS</td><td>Most significant byte.</td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>The converted temperature data. </dd></dl>
<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00487">487</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
<div class="fragment"><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>  <a class="code" href="vl53l1__types_8h.html#a273cf69d639a59973b6019625df33e30">uint16_t</a> rawDataMerge;</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <a class="code" href="vl53l1__types_8h.html#a273cf69d639a59973b6019625df33e30">uint16_t</a> reverseRawDataMerge;</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> </div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <a class="code" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> finalTemperature;</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span> </div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="comment">/* Check if it is a negative temperature value</span></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment"> * 0xF8 = 0b1111 1000 */</span></div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordflow">if</span> (tempMS & 0xF8)</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>  rawDataMerge = tempMS;</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span> </div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="comment">/* Left shift 8 times */</span></div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  rawDataMerge <<= 8;</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> </div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">/* Add the second part */</span></div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  rawDataMerge += tempLS;</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span> </div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">/* Invert the value since we have a negative temperature */</span></div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  reverseRawDataMerge = ~rawDataMerge;</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span> </div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="comment">/* Calculate the final temperature */</span></div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  finalTemperature = -(reverseRawDataMerge + 1) * 62.5;</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="comment">/* We're dealing with a positive temperature */</span></div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  {</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  rawDataMerge = tempMS;</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> </div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="comment">/* Left shift 8 times */</span></div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  rawDataMerge <<= 8;</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span> </div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="comment">/* Add the second part */</span></div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  rawDataMerge += tempLS;</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">/* Calculate the final temperature */</span></div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  finalTemperature = rawDataMerge * 62.5;</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> </div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">return</span> (finalTemperature);</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</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>
<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="memtitle"><span class="permalink"><a href="#a687bb3dd6e7872107c4e81a2b043814e">◆ </a></span>init_DS18B20()</h2>
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<td class="memname">static bool init_DS18B20 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td>
<td class="paramname"><em>number</em></td><td>)</td>
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<p>Initialize communication to the DS18B20. </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>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">number</td><td><ul>
<li><code>0</code> - TEMP0 selected. </li>
<li><code>1</code> - TEMP1 selected.</li>
</ul>
</td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd><ul>
<li><code>true</code> - <em>Presence</em> pulse detected in time. </li>
<li><code>false</code> - No <em>presence</em> pulse detected. </li>
</ul>
</dd></dl>
<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00309">309</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
<div class="fragment"><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">/* Timeout counter */</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="vl53l1__types_8h.html#a435d1572bf3f880d55459d9805097f62">uint32_t</a> counter = 0;</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="comment">/* MASTER RESET: Pull data line LOW for at least 480 µs (Master TX) */</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">/* gpioModePushPull: Last argument directly sets the pin state */</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModePushPull, 0);</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModePushPull, 0);</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  USTIMER_DelayIntSafe(480);</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">/* Change pin-mode to input - External pull-up resistor pulls data line back HIGH */</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModeInput, 0);</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModeInput, 0);</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="comment">/* Check if the line becomes LOW (~ wait while it stays high) during the maximum waiting time</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> * The DS18B20 should detect the data line rising due to the pull-up resistor, waits 15 - 50 µs</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> * and then pulls the line back LOW (for 60 - 240 µs) to indicate it's PRESENCE */</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">if</span> (number == 0) <span class="keywordflow">while</span> ((counter < <a class="code" href="DS18B20_8c.html#ae305f3dbacc26e6156ddbd8bea11f439">TIMEOUT_INIT</a>) && (GPIO_PinInGet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>) == 1)) counter++;</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) <span class="keywordflow">while</span> ((counter < <a class="code" href="DS18B20_8c.html#ae305f3dbacc26e6156ddbd8bea11f439">TIMEOUT_INIT</a>) && (GPIO_PinInGet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>) == 1)) counter++;</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="comment">/* Exit the function if the maximum waiting time was reached */</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (counter == <a class="code" href="DS18B20_8c.html#ae305f3dbacc26e6156ddbd8bea11f439">TIMEOUT_INIT</a>)</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> </div><div class="line"><a name="l00334"></a><span class="lineno"> 334</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="l00335"></a><span class="lineno"> 335</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"No DS18B20 presence pulse detected in time!"</span>);</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <a class="code" href="util_8h.html#ab212081592c908bf57b591e3c6e7483d">error</a>(28);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> (<span class="keyword">false</span>);</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</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="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</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> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <a class="code" href="dbprint_8c.html#ada27783fef89d9c9af4976baab87c477">dbwarnInt</a>(<span class="stringliteral">"DS18B20 INIT ("</span>, counter, <span class="stringliteral">")"</span>);</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</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="preprocessor">#endif </span><span class="comment">/* DBPRINT_TIMEOUT */</span><span class="preprocessor"></span></div><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>  <span class="comment">/* Master RX should be at least 480 µs */</span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  USTIMER_DelayIntSafe(480);</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="keywordflow">return</span> (<span class="keyword">true</span>);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> }</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 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<h2 class="memtitle"><span class="permalink"><a href="#a18c654814f39bc8a73d8ab8e1676c123">◆ </a></span>powerDS18B20()</h2>
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<td class="memname">static void powerDS18B20 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td>
<td class="paramname"><em>number</em>, </td>
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<td class="paramtype">bool </td>
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<p>Enable or disable the power to the temperature sensor. </p>
<p>This method also initializes the pin-mode if necessary.</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>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">number</td><td><ul>
<li><code>0</code> - TEMP0 selected. </li>
<li><code>1</code> - TEMP1 selected.</li>
</ul>
</td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">enabled</td><td><ul>
<li><code>true</code> - Enable the GPIO pin connected to the VDD pin of the temperature sensor. </li>
<li><code>talse</code> - Disable the GPIO pin connected to the VDD pin of the temperature sensor. </li>
</ul>
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<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00254">254</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
<div class="fragment"><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>  <span class="comment">/* Enable necessary clocks (just in case) */</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  CMU_ClockEnable(cmuClock_HFPER, <span class="keyword">true</span>); <span class="comment">/* GPIO is a High Frequency Peripheral */</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  CMU_ClockEnable(cmuClock_GPIO, <span class="keyword">true</span>);</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (number == 0) {</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">/* Initialize VDD pin if not already the case */</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span> (!<a class="code" href="DS18B20_8c.html#a15d168cfa0b12fecd30fdf71e3dd3f70">TEMP0_VDD_initialized</a>)</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">/* In the case of gpioModePushPull", the last argument directly sets the pin state */</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a680ac0a88409d20bf42336a4b9138d13">TEMP0_VDD_PORT</a>, <a class="code" href="pin__mapping_8h.html#ae7a0f5d018228aa94e80e680a0f0b4ee">TEMP0_VDD_PIN</a>, gpioModePushPull, enabled);</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>  <a class="code" href="DS18B20_8c.html#a15d168cfa0b12fecd30fdf71e3dd3f70">TEMP0_VDD_initialized</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">else</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="keywordflow">if</span> (enabled) GPIO_PinOutSet(<a class="code" href="pin__mapping_8h.html#a680ac0a88409d20bf42336a4b9138d13">TEMP0_VDD_PORT</a>, <a class="code" href="pin__mapping_8h.html#ae7a0f5d018228aa94e80e680a0f0b4ee">TEMP0_VDD_PIN</a>); <span class="comment">/* Enable VDD pin */</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">else</span> GPIO_PinOutClear(<a class="code" href="pin__mapping_8h.html#a680ac0a88409d20bf42336a4b9138d13">TEMP0_VDD_PORT</a>, <a class="code" href="pin__mapping_8h.html#ae7a0f5d018228aa94e80e680a0f0b4ee">TEMP0_VDD_PIN</a>); <span class="comment">/* Disable VDD pin */</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>  }</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) {</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="comment">/* Initialize VDD pin if not already the case */</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">if</span> (!<a class="code" href="DS18B20_8c.html#ab6af513120ff668f6e9703badd3ccd95">TEMP1_VDD_initialized</a>)</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  {</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">/* In the case of gpioModePushPull", the last argument directly sets the pin state */</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ab398f9385666138e132e4a95e0afc7d1">TEMP1_VDD_PORT</a>, <a class="code" href="pin__mapping_8h.html#ae06b3e291546d640759512dc9f5366fb">TEMP1_VDD_PIN</a>, gpioModePushPull, enabled);</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> </div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <a class="code" href="DS18B20_8c.html#ab6af513120ff668f6e9703badd3ccd95">TEMP1_VDD_initialized</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  {</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span> (enabled) GPIO_PinOutSet(<a class="code" href="pin__mapping_8h.html#ab398f9385666138e132e4a95e0afc7d1">TEMP1_VDD_PORT</a>, <a class="code" href="pin__mapping_8h.html#ae06b3e291546d640759512dc9f5366fb">TEMP1_VDD_PIN</a>); <span class="comment">/* Enable VDD pin */</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">else</span> GPIO_PinOutClear(<a class="code" href="pin__mapping_8h.html#ab398f9385666138e132e4a95e0afc7d1">TEMP1_VDD_PORT</a>, <a class="code" href="pin__mapping_8h.html#ae06b3e291546d640759512dc9f5366fb">TEMP1_VDD_PIN</a>); <span class="comment">/* Disable VDD pin */</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</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> }</div><div class="ttc" id="DS18B20_8c_html_ab6af513120ff668f6e9703badd3ccd95"><div class="ttname"><a href="DS18B20_8c.html#ab6af513120ff668f6e9703badd3ccd95">TEMP1_VDD_initialized</a></div><div class="ttdeci">bool TEMP1_VDD_initialized</div><div class="ttdef"><b>Definition:</b> <a href="DS18B20_8c_source.html#l00090">DS18B20.c:90</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_ae7a0f5d018228aa94e80e680a0f0b4ee"><div class="ttname"><a href="pin__mapping_8h.html#ae7a0f5d018228aa94e80e680a0f0b4ee">TEMP0_VDD_PIN</a></div><div class="ttdeci">#define TEMP0_VDD_PIN</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00102">pin_mapping.h:102</a></div></div>
<div class="ttc" id="DS18B20_8c_html_a15d168cfa0b12fecd30fdf71e3dd3f70"><div class="ttname"><a href="DS18B20_8c.html#a15d168cfa0b12fecd30fdf71e3dd3f70">TEMP0_VDD_initialized</a></div><div class="ttdeci">bool TEMP0_VDD_initialized</div><div class="ttdef"><b>Definition:</b> <a href="DS18B20_8c_source.html#l00089">DS18B20.c:89</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_ab398f9385666138e132e4a95e0afc7d1"><div class="ttname"><a href="pin__mapping_8h.html#ab398f9385666138e132e4a95e0afc7d1">TEMP1_VDD_PORT</a></div><div class="ttdeci">#define TEMP1_VDD_PORT</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00105">pin_mapping.h:105</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_ae06b3e291546d640759512dc9f5366fb"><div class="ttname"><a href="pin__mapping_8h.html#ae06b3e291546d640759512dc9f5366fb">TEMP1_VDD_PIN</a></div><div class="ttdeci">#define TEMP1_VDD_PIN</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00106">pin_mapping.h:106</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a680ac0a88409d20bf42336a4b9138d13"><div class="ttname"><a href="pin__mapping_8h.html#a680ac0a88409d20bf42336a4b9138d13">TEMP0_VDD_PORT</a></div><div class="ttdeci">#define TEMP0_VDD_PORT</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00101">pin_mapping.h:101</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ab304cf2afd2f31a2e665239a0a3880c2">◆ </a></span>readByteDS18B20()</h2>
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<td class="memname">static <a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> readByteDS18B20 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td>
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<p>Read a byte (<code>uint8_t</code>) from the DS18B20. </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>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">number</td><td><ul>
<li><code>0</code> - TEMP0 selected. </li>
<li><code>1</code> - TEMP1 selected.</li>
</ul>
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<dl class="section return"><dt>Returns</dt><dd>The byte read from the DS18B20. </dd></dl>
<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00435">435</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
<div class="fragment"><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> {</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="comment">/* Data to eventually return */</span></div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> <a class="code" href="main_8c.html#ad2c9072e6e6a5758dfc647e1a08a9509">data</a> = 0x0;</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="comment">/* Read the byte, bit by bit */</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">for</span> (<a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> i = 0; i < 8; i++)</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  {</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">/* Pull line low */</span></div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="comment">/* In the case of gpioModePushPull", the last argument directly sets the pin state */</span></div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModePushPull, 0);</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModePushPull, 0);</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="comment">/* 5 µs delay should be called here but this loop works fine too... */</span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">for</span> (<a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> i=0; i<5; i++);</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> </div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="comment">/* Let line rise because of the pull-up resistor */</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModeInput, 0);</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModeInput, 0);</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span> </div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="comment">/* Right shift bits once */</span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  data >>= 1;</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> </div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="comment">/* If the line is high, OR the first bit of the data:</span></div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment"> * 0x80 = 1000 0000 */</span></div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keywordflow">if</span> ((number == 0) && (GPIO_PinInGet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>))) data |= 0x80;</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) <span class="keywordflow">if</span> (GPIO_PinInGet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>)) data |= 0x80;</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="comment">/* Wait some time before going into next loop */</span></div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  USTIMER_DelayIntSafe(70);</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">return</span> (data);</div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> }</div><div class="ttc" id="main_8c_html_ad2c9072e6e6a5758dfc647e1a08a9509"><div class="ttname"><a href="main_8c.html#ad2c9072e6e6a5758dfc647e1a08a9509">data</a></div><div class="ttdeci">MeasurementData_t data</div><div class="ttdef"><b>Definition:</b> <a href="main_8c_source.html#l00086">main.c:86</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_ae212cc9581389e355620c1059a4de980"><div class="ttname"><a href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a></div><div class="ttdeci">#define TEMP1_DATA_PORT</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00103">pin_mapping.h:103</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a052d2f338dd833e3632c921082b6176c"><div class="ttname"><a href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a></div><div class="ttdeci">#define TEMP0_DATA_PORT</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00099">pin_mapping.h:99</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a07c6556fb148e1522c70409a53b457d3"><div class="ttname"><a href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a></div><div class="ttdeci">#define TEMP1_DATA_PIN</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00104">pin_mapping.h:104</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a85491dc2790495ac3b3b12bbe1df0531"><div class="ttname"><a href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a></div><div class="ttdeci">#define TEMP0_DATA_PIN</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00100">pin_mapping.h:100</a></div></div>
<div class="ttc" id="vl53l1__types_8h_html_aba7bc1797add20fe3efdf37ced1182c5"><div class="ttname"><a href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a></div><div class="ttdeci">unsigned char uint8_t</div><div class="ttdoc">Typedef defining 8 bit unsigned char 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#l00098">vl53l1_types.h:98</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a4eb4b34359542254ef44dd90a4a1782c">◆ </a></span>readTempDS18B20()</h2>
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<td class="memname"><a class="el" href="vl53l1__types_8h.html#a32f2e37ee053cf2ce8ca28d1f74630e5">int32_t</a> readTempDS18B20 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td>
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<p>Get a temperature value from the DS18B20. </p>
<p>USTimer gets initialized, the sensor gets powered, the data-transmission takes place, the timer gets de-initialized to disable the clocks and interrupts, the data and power pin get disabled and finally the read values are converted to an <code>int32_t</code> value.<br />
<b>Negative temperatures work fine.</b></p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">number</td><td><ul>
<li><code>0</code> - TEMP0 selected. </li>
<li><code>1</code> - TEMP1 selected.</li>
</ul>
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<dl class="section return"><dt>Returns</dt><dd>The read temperature data. </dd></dl>
<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00119">119</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
<div class="fragment"><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> {</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">/* Timeout counter */</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="vl53l1__types_8h.html#a273cf69d639a59973b6019625df33e30">uint16_t</a> counter = 0;</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>  <span class="comment">/* Variable to indicate if a conversion has been completed */</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">bool</span> conversionCompleted = <span class="keyword">false</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="comment">/* Variable to hold raw data bytes */</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> rawDataDS18B20[9] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">/* Initialize timer</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> * Initializing and disabling the timer again adds about 40 µs active time but should conserve sleep energy... */</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  USTIMER_Init();</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>  <span class="comment">/* Initialize and power VDD pin */</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="DS18B20_8c.html#a18c654814f39bc8a73d8ab8e1676c123">powerDS18B20</a>(number, <span class="keyword">true</span>);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">/* Power-up delay of 5 ms */</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="delay_8h.html#adb46f4276f5ddf111153701858f85df6">delay</a>(5);</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>  <span class="comment">/* Initialize communication and only continue if successful */</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (<a class="code" href="DS18B20_8c.html#a687bb3dd6e7872107c4e81a2b043814e">init_DS18B20</a>(number))</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="DS18B20_8c.html#a2cf798b83879860d0aca6f9e7c69a8fb">writeByteDS18B20</a>(number, 0xCC); <span class="comment">/* 0xCC = "Skip Rom" (address all devices on the bus simultaneously without sending out any ROM code information) */</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="DS18B20_8c.html#a2cf798b83879860d0aca6f9e7c69a8fb">writeByteDS18B20</a>(number, 0x44); <span class="comment">/* 0x44 = "Convert T" */</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">/* MASTER now generates "read time slots", the DS18B20 will write HIGH to the bus if the conversion is completed</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * The datasheet gives the following directions for time slots, but reading bytes also seems to work...</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> * - Read time slots have a 60 µs duration and 1 µs recovery between slots</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * - After the master pulls the line low for 1 µs, the data is valid for up to 15 µs */</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">while</span> ((counter < <a class="code" href="DS18B20_8c.html#a2207a269d247f40650eb3463f3700b43">TIMEOUT_CONVERSION</a>) && !conversionCompleted)</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>  <a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> testByte = <a class="code" href="DS18B20_8c.html#ab304cf2afd2f31a2e665239a0a3880c2">readByteDS18B20</a>(number);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (testByte > 0) conversionCompleted = <span class="keyword">true</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>  counter++;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">/* Exit the function if the maximum waiting time was reached */</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (counter == <a class="code" href="DS18B20_8c.html#a2207a269d247f40650eb3463f3700b43">TIMEOUT_CONVERSION</a>)</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  {</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> <span class="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"Waiting time for DS18B20 conversion reached!"</span>);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></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">/* Disable interrupts and turn off the clock to the underlying hardware timer. */</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  USTIMER_DeInit();</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">/* Disable data pin (otherwise we got a "sleep" current of about 330 µA due to the on-board (10k) pull-up) */</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModeDisabled, 0);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModeDisabled, 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">/* Disable the VDD pin */</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="DS18B20_8c.html#a18c654814f39bc8a73d8ab8e1676c123">powerDS18B20</a>(number, <span class="keyword">false</span>);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="util_8h.html#ab212081592c908bf57b591e3c6e7483d">error</a>(29);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">/* Exit function */</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> (0);</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>  }</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</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="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</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="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="dbprint_8c.html#ada27783fef89d9c9af4976baab87c477">dbwarnInt</a>(<span class="stringliteral">"DS18B20 conversion ("</span>, counter, <span class="stringliteral">")"</span>);</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></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>  }</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#endif </span><span class="comment">/* DBPRINT_TIMEOUT */</span><span class="preprocessor"></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>  <a class="code" href="DS18B20_8c.html#a687bb3dd6e7872107c4e81a2b043814e">init_DS18B20</a>(number); <span class="comment">/* Initialize communication */</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="DS18B20_8c.html#a2cf798b83879860d0aca6f9e7c69a8fb">writeByteDS18B20</a>(number, 0xCC); <span class="comment">/* 0xCC = "Skip Rom" */</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="DS18B20_8c.html#a2cf798b83879860d0aca6f9e7c69a8fb">writeByteDS18B20</a>(number, 0xBE); <span class="comment">/* 0xBE = "Read Scratchpad" */</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">/* Read the bytes */</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">for</span> (<a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> i = 0; i < 9; i++) rawDataDS18B20[i] = <a class="code" href="DS18B20_8c.html#ab304cf2afd2f31a2e665239a0a3880c2">readByteDS18B20</a>(number);</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="comment">/* Disable interrupts and turn off the clock to the underlying hardware timer. */</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  USTIMER_DeInit();</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="comment">/* Disable data pin (otherwise we got a "sleep" current of about 330 µA due to the on-board (10k) pull-up) */</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModeDisabled, 0);</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModeDisabled, 0);</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="comment">/* Disable the VDD pin */</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="DS18B20_8c.html#a18c654814f39bc8a73d8ab8e1676c123">powerDS18B20</a>(number, <span class="keyword">false</span>);</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">/* Return the converted byte */</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> (<a class="code" href="DS18B20_8c.html#a9a3bda987c27e677880c5435f43a0da7">convertTempData</a>(rawDataDS18B20[0], rawDataDS18B20[1]));</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">else</span></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>  <span class="comment">/* Disable interrupts and turn off the clock to the underlying hardware timer. */</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  USTIMER_DeInit();</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="preprocessor">#if DEBUG_DBPRINT == 1 </span><span class="comment">/* DEBUG_DBPRINT */</span><span class="preprocessor"></span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <a class="code" href="dbprint_8c.html#afbbbe6e04352a6b56d1d8a053ec4f941">dbcrit</a>(<span class="stringliteral">"DS18B20 INIT failed!"</span>);</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#endif </span><span class="comment">/* DEBUG_DBPRINT */</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="comment">/* Disable data pin (otherwise we got a "sleep" current of about 330 µA due to the on-board (10k) pull-up) */</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModeDisabled, 0);</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModeDisabled, 0);</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="comment">/* Disable the VDD pin */</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="DS18B20_8c.html#a18c654814f39bc8a73d8ab8e1676c123">powerDS18B20</a>(number, <span class="keyword">false</span>);</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>  <span class="comment">/* Exit function */</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> (0);</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span> }</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="DS18B20_8c_html_a2207a269d247f40650eb3463f3700b43"><div class="ttname"><a href="DS18B20_8c.html#a2207a269d247f40650eb3463f3700b43">TIMEOUT_CONVERSION</a></div><div class="ttdeci">#define TIMEOUT_CONVERSION</div><div class="ttdef"><b>Definition:</b> <a href="DS18B20_8c_source.html#l00085">DS18B20.c:85</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="DS18B20_8c_html_a687bb3dd6e7872107c4e81a2b043814e"><div class="ttname"><a href="DS18B20_8c.html#a687bb3dd6e7872107c4e81a2b043814e">init_DS18B20</a></div><div class="ttdeci">static bool init_DS18B20(uint8_t number)</div><div class="ttdoc">Initialize communication to the DS18B20. </div><div class="ttdef"><b>Definition:</b> <a href="DS18B20_8c_source.html#l00309">DS18B20.c:309</a></div></div>
<div class="ttc" id="DS18B20_8c_html_a9a3bda987c27e677880c5435f43a0da7"><div class="ttname"><a href="DS18B20_8c.html#a9a3bda987c27e677880c5435f43a0da7">convertTempData</a></div><div class="ttdeci">static int32_t convertTempData(uint8_t tempLS, uint8_t tempMS)</div><div class="ttdoc">Convert temperature data. </div><div class="ttdef"><b>Definition:</b> <a href="DS18B20_8c_source.html#l00487">DS18B20.c:487</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_ae212cc9581389e355620c1059a4de980"><div class="ttname"><a href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a></div><div class="ttdeci">#define TEMP1_DATA_PORT</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00103">pin_mapping.h:103</a></div></div>
<div class="ttc" id="delay_8h_html_adb46f4276f5ddf111153701858f85df6"><div class="ttname"><a href="delay_8h.html#adb46f4276f5ddf111153701858f85df6">delay</a></div><div class="ttdeci">void delay(uint32_t msDelay)</div><div class="ttdoc">Wait for a certain amount of milliseconds in EM2/3. </div><div class="ttdef"><b>Definition:</b> <a href="delay_8c_source.html#l00124">delay.c:124</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a052d2f338dd833e3632c921082b6176c"><div class="ttname"><a href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a></div><div class="ttdeci">#define TEMP0_DATA_PORT</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00099">pin_mapping.h:99</a></div></div>
<div class="ttc" id="DS18B20_8c_html_a18c654814f39bc8a73d8ab8e1676c123"><div class="ttname"><a href="DS18B20_8c.html#a18c654814f39bc8a73d8ab8e1676c123">powerDS18B20</a></div><div class="ttdeci">static void powerDS18B20(uint8_t number, bool enabled)</div><div class="ttdoc">Enable or disable the power to the temperature sensor. </div><div class="ttdef"><b>Definition:</b> <a href="DS18B20_8c_source.html#l00254">DS18B20.c:254</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a07c6556fb148e1522c70409a53b457d3"><div class="ttname"><a href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a></div><div class="ttdeci">#define TEMP1_DATA_PIN</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00104">pin_mapping.h:104</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="DS18B20_8c_html_ab304cf2afd2f31a2e665239a0a3880c2"><div class="ttname"><a href="DS18B20_8c.html#ab304cf2afd2f31a2e665239a0a3880c2">readByteDS18B20</a></div><div class="ttdeci">static uint8_t readByteDS18B20(uint8_t number)</div><div class="ttdoc">Read a byte (uint8_t) from the DS18B20. </div><div class="ttdef"><b>Definition:</b> <a href="DS18B20_8c_source.html#l00435">DS18B20.c:435</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>
<div class="ttc" id="DS18B20_8c_html_a2cf798b83879860d0aca6f9e7c69a8fb"><div class="ttname"><a href="DS18B20_8c.html#a2cf798b83879860d0aca6f9e7c69a8fb">writeByteDS18B20</a></div><div class="ttdeci">static void writeByteDS18B20(uint8_t number, uint8_t data)</div><div class="ttdoc">Write a byte (uint8_t) to the DS18B20. </div><div class="ttdef"><b>Definition:</b> <a href="DS18B20_8c_source.html#l00375">DS18B20.c:375</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a85491dc2790495ac3b3b12bbe1df0531"><div class="ttname"><a href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a></div><div class="ttdeci">#define TEMP0_DATA_PIN</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00100">pin_mapping.h:100</a></div></div>
<div class="ttc" id="vl53l1__types_8h_html_aba7bc1797add20fe3efdf37ced1182c5"><div class="ttname"><a href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a></div><div class="ttdeci">unsigned char uint8_t</div><div class="ttdoc">Typedef defining 8 bit unsigned char 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#l00098">vl53l1_types.h:98</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a2cf798b83879860d0aca6f9e7c69a8fb">◆ </a></span>writeByteDS18B20()</h2>
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<td class="memname">static void writeByteDS18B20 </td>
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<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td>
<td class="paramname"><em>number</em>, </td>
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<td class="paramtype"><a class="el" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td>
<td class="paramname"><em>data</em> </td>
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<p>Write a byte (<code>uint8_t</code>) to the DS18B20. </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">number</td><td><ul>
<li><code>0</code> - TEMP0 selected. </li>
<li><code>1</code> - TEMP1 selected.</li>
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<tr><td class="paramdir">[in]</td><td class="paramname">data</td><td>The data to write to the DS18B20. </td></tr>
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<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00375">375</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
<div class="fragment"><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> {</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">/* Write the byte, bit by bit */</span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">for</span> (<a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> i = 0; i < 8; i++)</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  {</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="comment">/* Check if we need to write a "1" */</span></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">if</span> (<a class="code" href="main_8c.html#ad2c9072e6e6a5758dfc647e1a08a9509">data</a> & 0x01)</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  {</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="comment">/* Pull line low */</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="comment">/* In the case of gpioModePushPull", the last argument directly sets the pin state */</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModePushPull, 0);</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModePushPull, 0);</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">/* 5 µs delay should be called here but this loop works fine too... */</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">for</span> (<a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> i=0; i<5; i++);</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="comment">/* Let line rise because of the pull-up resistor */</span></div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModeInput, 0);</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModeInput, 0);</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> </div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  USTIMER_DelayIntSafe(60);</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  }</div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="comment">/* If not, write a "0" */</span></div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  {</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="comment">/* Pull line low */</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">/* In the case of gpioModePushPull", the last argument directly sets the pin state */</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModePushPull, 0);</div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModePushPull, 0);</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  USTIMER_DelayIntSafe(60);</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="comment">/* Let line rise because of the pull-up resistor */</span></div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (number == 0) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a>, gpioModeInput, 0);</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (number == 1) GPIO_PinModeSet(<a class="code" href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a>, <a class="code" href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a>, gpioModeInput, 0);</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="comment">/* 5 µs delay should be called here but this loop works fine too... */</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">for</span> (<a class="code" href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> i=0; i<5; i++);</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">/* Right shift bits once */</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <a class="code" href="main_8c.html#ad2c9072e6e6a5758dfc647e1a08a9509">data</a> >>= 1;</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> }</div><div class="ttc" id="main_8c_html_ad2c9072e6e6a5758dfc647e1a08a9509"><div class="ttname"><a href="main_8c.html#ad2c9072e6e6a5758dfc647e1a08a9509">data</a></div><div class="ttdeci">MeasurementData_t data</div><div class="ttdef"><b>Definition:</b> <a href="main_8c_source.html#l00086">main.c:86</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_ae212cc9581389e355620c1059a4de980"><div class="ttname"><a href="pin__mapping_8h.html#ae212cc9581389e355620c1059a4de980">TEMP1_DATA_PORT</a></div><div class="ttdeci">#define TEMP1_DATA_PORT</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00103">pin_mapping.h:103</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a052d2f338dd833e3632c921082b6176c"><div class="ttname"><a href="pin__mapping_8h.html#a052d2f338dd833e3632c921082b6176c">TEMP0_DATA_PORT</a></div><div class="ttdeci">#define TEMP0_DATA_PORT</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00099">pin_mapping.h:99</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a07c6556fb148e1522c70409a53b457d3"><div class="ttname"><a href="pin__mapping_8h.html#a07c6556fb148e1522c70409a53b457d3">TEMP1_DATA_PIN</a></div><div class="ttdeci">#define TEMP1_DATA_PIN</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00104">pin_mapping.h:104</a></div></div>
<div class="ttc" id="pin__mapping_8h_html_a85491dc2790495ac3b3b12bbe1df0531"><div class="ttname"><a href="pin__mapping_8h.html#a85491dc2790495ac3b3b12bbe1df0531">TEMP0_DATA_PIN</a></div><div class="ttdeci">#define TEMP0_DATA_PIN</div><div class="ttdef"><b>Definition:</b> <a href="pin__mapping_8h_source.html#l00100">pin_mapping.h:100</a></div></div>
<div class="ttc" id="vl53l1__types_8h_html_aba7bc1797add20fe3efdf37ced1182c5"><div class="ttname"><a href="vl53l1__types_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a></div><div class="ttdeci">unsigned char uint8_t</div><div class="ttdoc">Typedef defining 8 bit unsigned char 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#l00098">vl53l1_types.h:98</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="#a15d168cfa0b12fecd30fdf71e3dd3f70">◆ </a></span>TEMP0_VDD_initialized</h2>
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<td class="memname">bool TEMP0_VDD_initialized = false</td>
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<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00089">89</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
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<td class="memname">bool TEMP1_VDD_initialized = false</td>
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<p class="definition">Definition at line <a class="el" href="DS18B20_8c_source.html#l00090">90</a> of file <a class="el" href="DS18B20_8c_source.html">DS18B20.c</a>.</p>
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