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<div id="projectname">RTOS_MSPM0
&#160;<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">
<div class="summary">
<a href="#define-members">Macros</a> &#124;
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">PWMA0.h File Reference<div class="ingroups"><a class="el" href="group___p_w_m_a0.html">PWMA0</a></div></div> </div>
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<p>Pulse width modulation.
<a href="#details">More...</a></p>
<p><a href="_p_w_m_a0_8h_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:ga7497b42df7df560ce90e9b40508a5036"><td class="memItemLeft" align="right" valign="top">
#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#ga7497b42df7df560ce90e9b40508a5036">PWMUSELFCLK</a>&#160;&#160;&#160;2</td></tr>
<tr class="memdesc:ga7497b42df7df560ce90e9b40508a5036"><td class="mdescLeft">&#160;</td><td class="mdescRight">use PWMUSELFCLK to select LFCLK <br /></td></tr>
<tr class="separator:ga7497b42df7df560ce90e9b40508a5036"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga5bc0918f95e19ab8f7c11d2b850331d8"><td class="memItemLeft" align="right" valign="top">
#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#ga5bc0918f95e19ab8f7c11d2b850331d8">PWMUSEMFCLK</a>&#160;&#160;&#160;4</td></tr>
<tr class="memdesc:ga5bc0918f95e19ab8f7c11d2b850331d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">use PWMUSEMFCLK to select MFCLK <br /></td></tr>
<tr class="separator:ga5bc0918f95e19ab8f7c11d2b850331d8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga5a97982467a525ef6074c48f5841efdd"><td class="memItemLeft" align="right" valign="top">
#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#ga5a97982467a525ef6074c48f5841efdd">PWMUSEBUSCLK</a>&#160;&#160;&#160;8</td></tr>
<tr class="memdesc:ga5a97982467a525ef6074c48f5841efdd"><td class="mdescLeft">&#160;</td><td class="mdescRight">use PWMUSEBUSCLK to select bus CLK <br /></td></tr>
<tr class="separator:ga5a97982467a525ef6074c48f5841efdd"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gadbe2bda0c1f3d3088d485411358314bc"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#gadbe2bda0c1f3d3088d485411358314bc">PWMA0_Init</a> (uint32_t timerClkSrc, uint32_t timerClkPrescale, uint32_t period, uint32_t duty0, uint32_t duty1)</td></tr>
<tr class="memdesc:gadbe2bda0c1f3d3088d485411358314bc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialize PWMA0. <a href="group___p_w_m_a0.html#gadbe2bda0c1f3d3088d485411358314bc">More...</a><br /></td></tr>
<tr class="separator:gadbe2bda0c1f3d3088d485411358314bc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga328ebf693fe2ed39f1796f73be153499"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#ga328ebf693fe2ed39f1796f73be153499">PWMA0_SetDuty</a> (uint32_t duty0, uint32_t duty1)</td></tr>
<tr class="memdesc:ga328ebf693fe2ed39f1796f73be153499"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set duty cycles. <a href="group___p_w_m_a0.html#ga328ebf693fe2ed39f1796f73be153499">More...</a><br /></td></tr>
<tr class="separator:ga328ebf693fe2ed39f1796f73be153499"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa30201d0dbd0bfb46e0f1c0eaccd947a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#gaa30201d0dbd0bfb46e0f1c0eaccd947a">PWMA0_Forward</a> (uint32_t duty0)</td></tr>
<tr class="memdesc:gaa30201d0dbd0bfb46e0f1c0eaccd947a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Motor forward. <a href="group___p_w_m_a0.html#gaa30201d0dbd0bfb46e0f1c0eaccd947a">More...</a><br /></td></tr>
<tr class="separator:gaa30201d0dbd0bfb46e0f1c0eaccd947a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga9d497017d72d7c7afc0a08750cff9095"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#ga9d497017d72d7c7afc0a08750cff9095">PWMA0_Backward</a> (uint32_t duty1)</td></tr>
<tr class="memdesc:ga9d497017d72d7c7afc0a08750cff9095"><td class="mdescLeft">&#160;</td><td class="mdescRight">Motor backward. <a href="group___p_w_m_a0.html#ga9d497017d72d7c7afc0a08750cff9095">More...</a><br /></td></tr>
<tr class="separator:ga9d497017d72d7c7afc0a08750cff9095"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga03d9522aca0fdc602a51139894915121"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#ga03d9522aca0fdc602a51139894915121">PWMA0_Break</a> (void)</td></tr>
<tr class="memdesc:ga03d9522aca0fdc602a51139894915121"><td class="mdescLeft">&#160;</td><td class="mdescRight">Motor break. <a href="group___p_w_m_a0.html#ga03d9522aca0fdc602a51139894915121">More...</a><br /></td></tr>
<tr class="separator:ga03d9522aca0fdc602a51139894915121"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gadaed68c7fefab9f58467fda5fee31436"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_a0.html#gadaed68c7fefab9f58467fda5fee31436">PWMA0_Coast</a> (void)</td></tr>
<tr class="memdesc:gadaed68c7fefab9f58467fda5fee31436"><td class="mdescLeft">&#160;</td><td class="mdescRight">Motor coast. <a href="group___p_w_m_a0.html#gadaed68c7fefab9f58467fda5fee31436">More...</a><br /></td></tr>
<tr class="separator:gadaed68c7fefab9f58467fda5fee31436"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Pulse width modulation. </p>
<p>Hardware creates fixed period, variable duty cycle waves </p><div class="image">
<img src="PWM_100Hz.png" alt="" width="500px"/>
</div>
<dl class="section version"><dt>Version</dt><dd>RTOS v1.0 </dd></dl>
<dl class="section author"><dt>Author</dt><dd>Daniel Valvano and Jonathan Valvano </dd></dl>
<dl class="section copyright"><dt>Copyright</dt><dd>Copyright 2026 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>
<dl class="section warning"><dt>Warning</dt><dd>AS-IS </dd></dl>
<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>
<dl class="section date"><dt>Date</dt><dd>November 24, 2025 <a class="anchor" id="PWMA0pins3"></a>
<table class="doxtable">
<caption>PWM pins on the MSPM0G3507</caption>
<tr>
<th>Pin </th><th>Description </th></tr>
<tr>
<td>PB8 </td><td>CCP0 PWM output </td></tr>
<tr>
<td>PB9 </td><td>CCP1 PWM output </td></tr>
</table>
</dd></dl>
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