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2c672210ff
gnuk/ChibiOS_2.0.6/docs/html/group___p_w_m.html
NIIBE Yutaka 2c672210ff Imported ChibiOS/RT 2.0.6.
2010-11-22 14:53:37 +09:00

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<title>ChibiOS/RT: PWM Driver</title>
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<td><big><big>ChibiOS/RT</big></big><br><br>Architecture - Reference Manual - Guides</td>
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<h1>PWM Driver<br/>
<small>
[<a class="el" href="group___i_o.html">HAL</a>]</small>
</h1> </div>
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<div class="contents">
<p>Generic PWM Driver.
<a href="#_details">More...</a></p>
<p><div class="dynheader">
Collaboration diagram for PWM Driver:</div>
<div class="dyncontent">
<center><table><tr><td><img src="group___p_w_m.png" border="0" alt="" usemap="#group______p__w__m"/>
<map name="group______p__w__m" id="group______p__w__m">
<area shape="rect" id="node1" href="group___i_o.html" title="Hardware Abstraction Layer." alt="" coords="5,5,48,32"/>
<area shape="rect" id="node3" href="group___p_w_m___l_l_d.html" title="PWM Driver low level driver template." alt="" coords="225,5,356,32"/>
</map>
</td></tr></table></center>
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</p>
<hr/><a name="_details"></a><h2>Description</h2>
<p>Generic PWM Driver. </p>
<p>This module implements a generic PWM driver. The driver implements a state machine internally: </p>
<div align="center">
<img src="inline_dotgraph_18.dot.png" alt="inline_dotgraph_18.dot" border="0" usemap="#inline_dotgraph_18.dot.map">
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<tr><td colspan="2"><h2><a name="groups"></a>
Modules</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m___l_l_d.html">PWM Low Level Driver</a></td></tr>
<p><tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><p><a class="el" href="group___p_w_m.html">PWM Driver</a> low level driver template. </p>
<br/></td></tr>
</p>
<tr><td colspan="2"><h2><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef void(*&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gabcc836c83fc710d8caa9d61f79f69962">pwmcallback_t</a> )(void)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">PWM notification callback type. <a href="#gabcc836c83fc710d8caa9d61f79f69962"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga9b63d6f4d51e8ca9ee1fce2a1bc86bc5">pwmstate_t</a> { <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5abff5b42e5ab002433b66a8910548b48c">PWM_UNINIT</a> = 0,
<a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151">PWM_STOP</a> = 1,
<a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086">PWM_READY</a> = 2
}</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><p>Driver state machine possible states. </p>
<a href="group___p_w_m.html#ga9b63d6f4d51e8ca9ee1fce2a1bc86bc5">More...</a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gaaa2db6a7be396595dcf16da3f94634a0">pwmmode_t</a> { <a class="el" href="group___p_w_m.html#ggaaa2db6a7be396595dcf16da3f94634a0a36ed95007c3ef01cab4254f099e57b4d">PWM_OUTPUT_DISABLED</a> = 0,
<a class="el" href="group___p_w_m.html#ggaaa2db6a7be396595dcf16da3f94634a0aebf0e802a4bab8825b697f2f7e8346f1">PWM_OUTPUT_ACTIVE_HIGH</a> = 1,
<a class="el" href="group___p_w_m.html#ggaaa2db6a7be396595dcf16da3f94634a0a7a1e4472427e3a352e4837ba5146fcba">PWM_OUTPUT_ACTIVE_LOW</a> = 2
}</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><p>PWM logic mode. </p>
<a href="group___p_w_m.html#gaaa2db6a7be396595dcf16da3f94634a0">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga1c8ae46921c4ae7d57bd44dd994e10bd">pwmInit</a> (void)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">PWM Driver initialization. <a href="#ga1c8ae46921c4ae7d57bd44dd994e10bd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga4dbf1fded2984ff6dc240afd2e1fcd74">pwmObjectInit</a> (<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Initializes the standard part of a <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> structure. <a href="#ga4dbf1fded2984ff6dc240afd2e1fcd74"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga9c14dc1b026c78809440281786aceda3">pwmStart</a> (<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp, const <a class="el" href="struct_p_w_m_config.html">PWMConfig</a> *config)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Configures and activates the PWM peripheral. <a href="#ga9c14dc1b026c78809440281786aceda3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga8a4d0d8a47883efe286a332cade14080">pwmStop</a> (<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Deactivates the PWM peripheral. <a href="#ga8a4d0d8a47883efe286a332cade14080"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gafd6c45693467da77ab13edca8420620d">pwmEnableChannel</a> (<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp, <a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a> channel, <a class="el" href="group___p_w_m___l_l_d.html#gaef1826611f5a65369e9e02d04e81ed61">pwmcnt_t</a> width)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Enables a PWM channel. <a href="#gafd6c45693467da77ab13edca8420620d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gac2679d11833a4ea9df5a9ed2e4a2c2e7">pwmDisableChannel</a> (<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp, <a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a> channel)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Disables a PWM channel. <a href="#gac2679d11833a4ea9df5a9ed2e4a2c2e7"></a><br/></td></tr>
</table>
<hr/><h2>Typedef Documentation</h2>
<a class="anchor" id="gabcc836c83fc710d8caa9d61f79f69962"></a><!-- doxytag: member="pwm.h::pwmcallback_t" ref="gabcc836c83fc710d8caa9d61f79f69962" args=")(void)" -->
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<td class="memname">typedef void(* <a class="el" href="group___p_w_m.html#gabcc836c83fc710d8caa9d61f79f69962">pwmcallback_t</a>)(void)</td>
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<div class="memdoc">
<p>PWM notification callback type. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>active</em>&nbsp;</td><td>current channel output state </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="pwm_8h_source.html#l00080">80</a> of file <a class="el" href="pwm_8h_source.html">pwm.h</a>.</p>
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<hr/><h2>Enumeration Type Documentation</h2>
<a class="anchor" id="ga9b63d6f4d51e8ca9ee1fce2a1bc86bc5"></a><!-- doxytag: member="pwm.h::pwmstate_t" ref="ga9b63d6f4d51e8ca9ee1fce2a1bc86bc5" args="" -->
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<td class="memname">enum <a class="el" href="group___p_w_m.html#ga9b63d6f4d51e8ca9ee1fce2a1bc86bc5">pwmstate_t</a></td>
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<div class="memdoc">
<p>Driver state machine possible states. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5abff5b42e5ab002433b66a8910548b48c"></a><!-- doxytag: member="PWM_UNINIT" ref="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5abff5b42e5ab002433b66a8910548b48c" args="" -->PWM_UNINIT</em>&nbsp;</td><td>
<p>Not initialized. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151"></a><!-- doxytag: member="PWM_STOP" ref="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151" args="" -->PWM_STOP</em>&nbsp;</td><td>
<p>Stopped. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086"></a><!-- doxytag: member="PWM_READY" ref="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086" args="" -->PWM_READY</em>&nbsp;</td><td>
<p>Ready. </p>
</td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="pwm_8h_source.html#l00059">59</a> of file <a class="el" href="pwm_8h_source.html">pwm.h</a>.</p>
</div>
</div>
<a class="anchor" id="gaaa2db6a7be396595dcf16da3f94634a0"></a><!-- doxytag: member="pwm.h::pwmmode_t" ref="gaaa2db6a7be396595dcf16da3f94634a0" args="" -->
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<td class="memname">enum <a class="el" href="group___p_w_m.html#gaaa2db6a7be396595dcf16da3f94634a0">pwmmode_t</a></td>
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<div class="memdoc">
<p>PWM logic mode. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="ggaaa2db6a7be396595dcf16da3f94634a0a36ed95007c3ef01cab4254f099e57b4d"></a><!-- doxytag: member="PWM_OUTPUT_DISABLED" ref="ggaaa2db6a7be396595dcf16da3f94634a0a36ed95007c3ef01cab4254f099e57b4d" args="" -->PWM_OUTPUT_DISABLED</em>&nbsp;</td><td>
<p>Output not driven, callback only. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaaa2db6a7be396595dcf16da3f94634a0aebf0e802a4bab8825b697f2f7e8346f1"></a><!-- doxytag: member="PWM_OUTPUT_ACTIVE_HIGH" ref="ggaaa2db6a7be396595dcf16da3f94634a0aebf0e802a4bab8825b697f2f7e8346f1" args="" -->PWM_OUTPUT_ACTIVE_HIGH</em>&nbsp;</td><td>
<p>Idle is logic level 0. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ggaaa2db6a7be396595dcf16da3f94634a0a7a1e4472427e3a352e4837ba5146fcba"></a><!-- doxytag: member="PWM_OUTPUT_ACTIVE_LOW" ref="ggaaa2db6a7be396595dcf16da3f94634a0a7a1e4472427e3a352e4837ba5146fcba" args="" -->PWM_OUTPUT_ACTIVE_LOW</em>&nbsp;</td><td>
<p>Idle is logic level 1. </p>
</td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="pwm_8h_source.html#l00068">68</a> of file <a class="el" href="pwm_8h_source.html">pwm.h</a>.</p>
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</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga1c8ae46921c4ae7d57bd44dd994e10bd"></a><!-- doxytag: member="pwm.h::pwmInit" ref="ga1c8ae46921c4ae7d57bd44dd994e10bd" args="(void)" -->
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<td class="memname">void pwmInit </td>
<td>(</td>
<td class="paramtype">void&nbsp;</td>
<td class="paramname"></td>
<td>&nbsp;)&nbsp;</td>
<td></td>
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<div class="memdoc">
<p>PWM Driver initialization. </p>
<p>Definition at line <a class="el" href="pwm_8c_source.html#l00058">58</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
<p>References <a class="el" href="group___p_w_m___l_l_d.html#ga7cb5729a65c0996584808e4f93b28a0d">pwm_lld_init()</a>.</p>
<p>Referenced by <a class="el" href="group___h_a_l.html#gafd89c1650df524d95aef39b8bc38170d">halInit()</a>.</p>
<p><div class="dynheader">
Here is the call graph for this function:</div>
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<a class="anchor" id="ga4dbf1fded2984ff6dc240afd2e1fcd74"></a><!-- doxytag: member="pwm.h::pwmObjectInit" ref="ga4dbf1fded2984ff6dc240afd2e1fcd74" args="(PWMDriver *pwmp)" -->
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<td class="memname">void pwmObjectInit </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *&nbsp;</td>
<td class="paramname"> <em>pwmp</em></td>
<td>&nbsp;)&nbsp;</td>
<td></td>
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<p>Initializes the standard part of a <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> structure. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>pwmp</em>&nbsp;</td><td>pointer to a <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> object </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="pwm_8c_source.html#l00068">68</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
<p>References <a class="el" href="struct_p_w_m_driver.html#a45bb852cfb3b30143315632e74703cb8">PWMDriver::pd_config</a>, and <a class="el" href="struct_p_w_m_driver.html#a773d182992e086ff89dd85d2f5e17dea">PWMDriver::pd_state</a>.</p>
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<a class="anchor" id="ga9c14dc1b026c78809440281786aceda3"></a><!-- doxytag: member="pwm.h::pwmStart" ref="ga9c14dc1b026c78809440281786aceda3" args="(PWMDriver *pwmp, const PWMConfig *config)" -->
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<td class="memname">void pwmStart </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *&nbsp;</td>
<td class="paramname"> <em>pwmp</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="struct_p_w_m_config.html">PWMConfig</a> *&nbsp;</td>
<td class="paramname"> <em>config</em></td><td>&nbsp;</td>
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<td>)</td>
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<p>Configures and activates the PWM peripheral. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>pwmp</em>&nbsp;</td><td>pointer to a <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> object </td></tr>
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>config</em>&nbsp;</td><td>pointer to a <code><a class="el" href="struct_p_w_m_config.html" title="Driver configuration structure.">PWMConfig</a></code> object </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="pwm_8c_source.html#l00080">80</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
<p>References <a class="el" href="group__debug.html#ga43d50c69eb730d0f024eb832d61f30c9">chDbgAssert</a>, <a class="el" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844">chDbgCheck</a>, <a class="el" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42">chSysLock</a>, <a class="el" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e">chSysUnlock</a>, <a class="el" href="struct_p_w_m_driver.html#a45bb852cfb3b30143315632e74703cb8">PWMDriver::pd_config</a>, <a class="el" href="struct_p_w_m_driver.html#a773d182992e086ff89dd85d2f5e17dea">PWMDriver::pd_state</a>, <a class="el" href="group___p_w_m___l_l_d.html#ga8a4d803d25a5326b48b3713ffd5fce53">pwm_lld_start()</a>, <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086">PWM_READY</a>, and <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151">PWM_STOP</a>.</p>
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<a class="anchor" id="ga8a4d0d8a47883efe286a332cade14080"></a><!-- doxytag: member="pwm.h::pwmStop" ref="ga8a4d0d8a47883efe286a332cade14080" args="(PWMDriver *pwmp)" -->
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<td class="memname">void pwmStop </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *&nbsp;</td>
<td class="paramname"> <em>pwmp</em></td>
<td>&nbsp;)&nbsp;</td>
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<p>Deactivates the PWM peripheral. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>pwmp</em>&nbsp;</td><td>pointer to a <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> object </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="pwm_8c_source.html#l00099">99</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
<p>References <a class="el" href="group__debug.html#ga43d50c69eb730d0f024eb832d61f30c9">chDbgAssert</a>, <a class="el" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844">chDbgCheck</a>, <a class="el" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42">chSysLock</a>, <a class="el" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e">chSysUnlock</a>, <a class="el" href="struct_p_w_m_driver.html#a773d182992e086ff89dd85d2f5e17dea">PWMDriver::pd_state</a>, <a class="el" href="group___p_w_m___l_l_d.html#ga48b759363af69a6aaee37a362ed5bfd2">pwm_lld_stop()</a>, <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086">PWM_READY</a>, and <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151">PWM_STOP</a>.</p>
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<a class="anchor" id="gafd6c45693467da77ab13edca8420620d"></a><!-- doxytag: member="pwm.h::pwmEnableChannel" ref="gafd6c45693467da77ab13edca8420620d" args="(PWMDriver *pwmp, pwmchannel_t channel, pwmcnt_t width)" -->
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<td class="memname">void pwmEnableChannel </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *&nbsp;</td>
<td class="paramname"> <em>pwmp</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a>&nbsp;</td>
<td class="paramname"> <em>channel</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___p_w_m___l_l_d.html#gaef1826611f5a65369e9e02d04e81ed61">pwmcnt_t</a>&nbsp;</td>
<td class="paramname"> <em>width</em></td><td>&nbsp;</td>
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<td>)</td>
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<p>Enables a PWM channel. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>pwmp</em>&nbsp;</td><td>pointer to a <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> object </td></tr>
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>channel</em>&nbsp;</td><td>PWM channel identifier </td></tr>
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>width</em>&nbsp;</td><td>PWM pulse width as clock pulses number </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="pwm_8c_source.html#l00119">119</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
<p>References <a class="el" href="group__debug.html#ga43d50c69eb730d0f024eb832d61f30c9">chDbgAssert</a>, <a class="el" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844">chDbgCheck</a>, <a class="el" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42">chSysLock</a>, <a class="el" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e">chSysUnlock</a>, <a class="el" href="struct_p_w_m_driver.html#a773d182992e086ff89dd85d2f5e17dea">PWMDriver::pd_state</a>, <a class="el" href="group___p_w_m___l_l_d.html#ga312588cf680d50931666643dea45bb13">PWM_CHANNELS</a>, <a class="el" href="group___p_w_m___l_l_d.html#ga8c6320208680a823925d2816856437cc">pwm_lld_enable_channel()</a>, and <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086">PWM_READY</a>.</p>
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<a class="anchor" id="gac2679d11833a4ea9df5a9ed2e4a2c2e7"></a><!-- doxytag: member="pwm.h::pwmDisableChannel" ref="gac2679d11833a4ea9df5a9ed2e4a2c2e7" args="(PWMDriver *pwmp, pwmchannel_t channel)" -->
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<td class="memname">void pwmDisableChannel </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *&nbsp;</td>
<td class="paramname"> <em>pwmp</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a>&nbsp;</td>
<td class="paramname"> <em>channel</em></td><td>&nbsp;</td>
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<p>Disables a PWM channel. </p>
<p>The channel is disabled and its output line returned to the idle state.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>pwmp</em>&nbsp;</td><td>pointer to a <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> object </td></tr>
<tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>channel</em>&nbsp;</td><td>PWM channel identifier </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="pwm_8c_source.html#l00141">141</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
<p>References <a class="el" href="group__debug.html#ga43d50c69eb730d0f024eb832d61f30c9">chDbgAssert</a>, <a class="el" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844">chDbgCheck</a>, <a class="el" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42">chSysLock</a>, <a class="el" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e">chSysUnlock</a>, <a class="el" href="struct_p_w_m_driver.html#a773d182992e086ff89dd85d2f5e17dea">PWMDriver::pd_state</a>, <a class="el" href="group___p_w_m___l_l_d.html#ga312588cf680d50931666643dea45bb13">PWM_CHANNELS</a>, <a class="el" href="group___p_w_m___l_l_d.html#ga78cb61d7ea9fc996e3c2adec3f37cfd8">pwm_lld_disable_channel()</a>, and <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086">PWM_READY</a>.</p>
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