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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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<a href="#files">Files</a> |
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<a href="#define-members">Macros</a> |
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<a href="#func-members">Functions</a> </div>
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<div class="title">PWMG6</div> </div>
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</div><!--header-->
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<div class="contents">
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<p>Pulse width modulation.
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<a href="#details">More...</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="files"></a>
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Files</h2></td></tr>
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<tr class="memitem:_p_w_m_g6_8h"><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="_p_w_m_g6_8h.html">PWMG6.h</a></td></tr>
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<tr class="memdesc:_p_w_m_g6_8h"><td class="mdescLeft"> </td><td class="mdescRight">Pulse width modulation. <br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
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Macros</h2></td></tr>
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<tr class="memitem:ga7497b42df7df560ce90e9b40508a5036"><td class="memItemLeft" align="right" valign="top"><a id="ga7497b42df7df560ce90e9b40508a5036"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_g6.html#ga7497b42df7df560ce90e9b40508a5036">PWMUSELFCLK</a>   2</td></tr>
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<tr class="memdesc:ga7497b42df7df560ce90e9b40508a5036"><td class="mdescLeft"> </td><td class="mdescRight">use PWMUSELFCLK to select LFCLK <br /></td></tr>
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<tr class="separator:ga7497b42df7df560ce90e9b40508a5036"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga5bc0918f95e19ab8f7c11d2b850331d8"><td class="memItemLeft" align="right" valign="top"><a id="ga5bc0918f95e19ab8f7c11d2b850331d8"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_g6.html#ga5bc0918f95e19ab8f7c11d2b850331d8">PWMUSEMFCLK</a>   4</td></tr>
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<tr class="memdesc:ga5bc0918f95e19ab8f7c11d2b850331d8"><td class="mdescLeft"> </td><td class="mdescRight">use PWMUSEMFCLK to select MFCLK <br /></td></tr>
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<tr class="separator:ga5bc0918f95e19ab8f7c11d2b850331d8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga5a97982467a525ef6074c48f5841efdd"><td class="memItemLeft" align="right" valign="top"><a id="ga5a97982467a525ef6074c48f5841efdd"></a>
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#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_g6.html#ga5a97982467a525ef6074c48f5841efdd">PWMUSEBUSCLK</a>   8</td></tr>
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<tr class="memdesc:ga5a97982467a525ef6074c48f5841efdd"><td class="mdescLeft"> </td><td class="mdescRight">use PWMUSEBUSCLK to select bus CLK <br /></td></tr>
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<tr class="separator:ga5a97982467a525ef6074c48f5841efdd"><td class="memSeparator" colspan="2"> </td></tr>
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</table><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:gab9e05e92d4f0df8978d585469dd6d4ae"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_g6.html#gab9e05e92d4f0df8978d585469dd6d4ae">PWMG6_Init</a> (uint32_t timerClkSrc, uint32_t timerClkPrescale, uint32_t period, uint32_t duty)</td></tr>
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<tr class="memdesc:gab9e05e92d4f0df8978d585469dd6d4ae"><td class="mdescLeft"> </td><td class="mdescRight">Initialize PWMG6. <a href="group___p_w_m_g6.html#gab9e05e92d4f0df8978d585469dd6d4ae">More...</a><br /></td></tr>
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<tr class="separator:gab9e05e92d4f0df8978d585469dd6d4ae"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab9652924051af1f9bd36b50e196afe82"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m_g6.html#gab9652924051af1f9bd36b50e196afe82">PWMG6_SetDuty</a> (uint32_t duty)</td></tr>
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<tr class="memdesc:gab9652924051af1f9bd36b50e196afe82"><td class="mdescLeft"> </td><td class="mdescRight">Set duty cycles. <a href="group___p_w_m_g6.html#gab9652924051af1f9bd36b50e196afe82">More...</a><br /></td></tr>
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<tr class="separator:gab9652924051af1f9bd36b50e196afe82"><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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<p>Pulse width modulation. </p>
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<a class="anchor" id="PWMG6pins2"></a>
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<table class="doxtable">
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<caption>PWM pins on the MSPM0G3507</caption>
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<tr>
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<th>Pin </th><th>Description </th></tr>
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<tr>
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<td>PB6 </td><td>CCP0 PWM output </td></tr>
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</table>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="gab9e05e92d4f0df8978d585469dd6d4ae"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gab9e05e92d4f0df8978d585469dd6d4ae">◆ </a></span>PWMG6_Init()</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">void PWMG6_Init </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>timerClkSrc</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>timerClkPrescale</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>period</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>duty</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>Initialize PWMG6. </p>
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<p>Initialize PWMG6 output on PB6. Rising edge synchronized. timerClkDivRatio = 1. Once started, hardware will continuously output the waves.</p><ul>
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<li>timerClkSrc =<ul>
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<li>2 for 32768 Hz LFCLK</li>
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<li>4 for 4MHz MFCLK (not tested)</li>
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<li>8 for 80/32/4 BUSCLK</li>
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</ul>
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</li>
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<li>A0/A1 is on Power domain PD1<ul>
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<li>32MHz bus clock, BUSCLK clock is 32MHz</li>
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<li>40MHz bus clock, BUSCLK clock is ULPCLK 20MHz</li>
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<li>80MHz bus clock, BUSCLK clock is ULPCLK 40MHz</li>
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</ul>
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</li>
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<li>PWMFreq = (timerClkSrc / (timerClkDivRatio * (timerClkPrescale + 1) * period))<ul>
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<li>For example, source=LFCLK, prescale = 0, period = 1000, PWM frequency = 32.768 Hz</li>
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<li>For example, source=BUSCLK, 80MHz bus, prescale=39, period = 40000, PWM frequency = 50Hz (20ms)</li>
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</ul>
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</li>
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</ul>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">timerClkSrc</td><td>is 2 4 or 8 </td></tr>
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<tr><td class="paramname">timerClkPrescale</td><td>divide clock by timerClkPrescale+1, 0 to 255 </td></tr>
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<tr><td class="paramname">period</td><td>sets the PWM period </td></tr>
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<tr><td class="paramname">duty</td><td>sets the duty cycle on PB6 </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>none </dd></dl>
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<dl class="section note"><dt>Note</dt><dd>Will call LaunchPad_Init to reset and activate power </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="group___p_w_m_g6.html#gab9652924051af1f9bd36b50e196afe82" title="Set duty cycles.">PWMG6_SetDuty</a> </dd></dl>
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</div>
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</div>
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<a id="gab9652924051af1f9bd36b50e196afe82"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gab9652924051af1f9bd36b50e196afe82">◆ </a></span>PWMG6_SetDuty()</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">void PWMG6_SetDuty </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>duty</em></td><td>)</td>
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<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>Set duty cycles. </p>
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<p>Set duty cycles on PB6. </p><dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">duty</td><td>sets the duty cycle on PB6 (high time) </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>none </dd></dl>
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<dl class="section note"><dt>Note</dt><dd>assumes PWMG6_Init was called </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="group___p_w_m_g6.html#gab9e05e92d4f0df8978d585469dd6d4ae" title="Initialize PWMG6.">PWMG6_Init</a> </dd></dl>
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