145 lines
6.8 KiB
HTML
145 lines
6.8 KiB
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<title>RTOS_MSPM0: RTOS_Labs_common/IRDistance.h File Reference</title>
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<div id="projectname">RTOS_MSPM0
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 <span id="projectnumber">1.1</span>
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<div id="projectbrief">ECE445M starter code</div>
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<li class="navelem"><a class="el" href="dir_d9737668015ddda3d9b152d7c8d1103c.html">RTOS_Labs_common</a></li> </ul>
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<div class="header">
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<div class="summary">
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<div class="title">IRDistance.h File Reference</div> </div>
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</div><!--header-->
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<div class="contents">
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<p>Take infrared distance measurements.
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<a href="#details">More...</a></p>
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<div class="textblock"><code>#include <stdint.h></code><br />
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</div>
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<p><a href="_i_r_distance_8h_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:a60586073f932575a2fdffacfbd7aad8c"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="_i_r_distance_8h.html#a60586073f932575a2fdffacfbd7aad8c">IRDistance_Convert</a> (int32_t adcSample, uint32_t sensor)</td></tr>
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<tr class="memdesc:a60586073f932575a2fdffacfbd7aad8c"><td class="mdescLeft"> </td><td class="mdescRight">Convert infrared distance measurement. <a href="_i_r_distance_8h.html#a60586073f932575a2fdffacfbd7aad8c">More...</a><br /></td></tr>
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<tr class="separator:a60586073f932575a2fdffacfbd7aad8c"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Take infrared distance measurements. </p>
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<p>Provide mid-level functions that convert raw ADC values from the GP2Y0A21YK0F infrared distance sensors to distances in mm. </p><dl class="section version"><dt>Version</dt><dd>derived from TI-RSLK MAX v1.1 </dd></dl>
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<dl class="section author"><dt>Author</dt><dd>Daniel Valvano and Jonathan Valvano </dd></dl>
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<dl class="section copyright"><dt>Copyright</dt><dd>Copyright 2020 by Jonathan W. Valvano, <a href="#" onclick="location.href='mai'+'lto:'+'val'+'va'+'no@'+'ma'+'il.'+'ut'+'exa'+'s.'+'edu'; return false;">valva<span style="display: none;">.nosp@m.</span>no@m<span style="display: none;">.nosp@m.</span>ail.u<span style="display: none;">.nosp@m.</span>texa<span style="display: none;">.nosp@m.</span>s.edu</a>, </dd></dl>
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<dl class="section warning"><dt>Warning</dt><dd>AS-IS </dd></dl>
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<dl class="section note"><dt>Note</dt><dd>For more information see <a href="http://users.ece.utexas.edu/~valvano/">http://users.ece.utexas.edu/~valvano/</a> </dd></dl>
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<dl class="section date"><dt>Date</dt><dd>January 15, 2020 </dd></dl>
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</div><h2 class="groupheader">Function Documentation</h2>
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<a id="a60586073f932575a2fdffacfbd7aad8c"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a60586073f932575a2fdffacfbd7aad8c">◆ </a></span>IRDistance_Convert()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">int32_t IRDistance_Convert </td>
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<td>(</td>
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<td class="paramtype">int32_t </td>
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<td class="paramname"><em>adcSample</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>sensor</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Convert infrared distance measurement. </p>
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<p>Convert ADC sample into distance for the GP2Y0A21YK0F infrared distance sensor. Conversion uses a calibration formula<br />
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D = A/(adcSample + B) + C </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">adcSample</td><td>is the 12-bit ADC sample 0 to 4095 </td></tr>
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<tr><td class="paramname">sensor</td><td>is sensor number 0 to 3 </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>distance from robot to wall (units mm) </dd></dl>
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</div>
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</div>
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</div><!-- contents -->
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Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
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