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1250 lines
79 KiB
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<title>ChibiOS/RT: PWM Driver</title>
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<td style="width: 80px;"><img alt="ChibiOS/RT Logo" src="logo_small.png"></td>
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<td><big><big>ChibiOS/RT</big></big><br><br>Architecture - Reference Manual - Guides</td>
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<h1>PWM Driver<br/>
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<small>
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[<a class="el" href="group___i_o.html">HAL</a>]</small>
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</h1> </div>
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</div>
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<div class="contents">
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<p>Generic PWM Driver.
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<a href="#_details">More...</a></p>
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<p><div class="dynheader">
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Collaboration diagram for PWM Driver:</div>
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<div class="dyncontent">
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<center><table><tr><td><img src="group___p_w_m.png" border="0" alt="" usemap="#group______p__w__m"/>
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<map name="group______p__w__m" id="group______p__w__m">
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<area shape="rect" id="node1" href="group___i_o.html" title="Hardware Abstraction Layer." alt="" coords="5,8,48,35"/>
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<area shape="rect" id="node3" href="group___p_w_m___l_l_d.html" title="PWM Driver low level driver template." alt="" coords="324,8,455,35"/>
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</map>
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</td></tr></table></center>
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</div>
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</p>
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<hr/><a name="_details"></a><h2>Description</h2>
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<p>Generic PWM Driver. </p>
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<p>This module implements a generic PWM driver. The driver implements a state machine internally: </p>
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<div align="center">
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<table class="memberdecls">
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<tr><td colspan="2"><h2><a name="nested-classes"></a>
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Data Structures</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_p_w_m_channel_config.html">PWMChannelConfig</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM driver channel configuration structure. <a href="struct_p_w_m_channel_config.html#_details">More...</a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_p_w_m_config.html">PWMConfig</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Driver configuration structure. <a href="struct_p_w_m_config.html#_details">More...</a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Structure representing an PWM driver. <a href="struct_p_w_m_driver.html#_details">More...</a><br/></td></tr>
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<tr><td colspan="2"><h2><a name="groups"></a>
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Modules</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"> </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>
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<p><tr><td class="mdescLeft"> </td><td class="mdescRight"><p><a class="el" href="group___p_w_m.html">PWM Driver</a> low level driver template. </p>
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<br/></td></tr>
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</p>
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<tr><td colspan="2"><h2><a name="define-members"></a>
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Defines</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gabe1aa3e76c63f687d918628c57def482">pwmEnableChannelI</a>(pwmp, channel, width) pwm_lld_enable_channel(pwmp, channel, width)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Enables a PWM channel. <a href="#gabe1aa3e76c63f687d918628c57def482"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gaa15ffc7b909d46929ea3ef8cc903eea3">pwmDisableChannelI</a>(pwmp, channel) pwm_lld_disable_channel(pwmp, channel)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Disables a PWM channel. <a href="#gaa15ffc7b909d46929ea3ef8cc903eea3"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga312588cf680d50931666643dea45bb13">PWM_CHANNELS</a> 4</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Number of PWM channels per PWM driver. <a href="#ga312588cf680d50931666643dea45bb13"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga0fe5257a5ba79302dce9df6d50de9364">USE_STM32_PWM1</a> TRUE</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM1 driver enable switch. <a href="#ga0fe5257a5ba79302dce9df6d50de9364"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gac7e757e9d0af908f7e06ab5221f30aa2">USE_STM32_PWM2</a> TRUE</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM2 driver enable switch. <a href="#gac7e757e9d0af908f7e06ab5221f30aa2"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gaf1306b9ade0a6771eaa967feeeb075f3">USE_STM32_PWM3</a> TRUE</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM3 driver enable switch. <a href="#gaf1306b9ade0a6771eaa967feeeb075f3"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gae2f2fa3291ecf36f8f270efa25d4e044">USE_STM32_PWM4</a> TRUE</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM4 driver enable switch. <a href="#gae2f2fa3291ecf36f8f270efa25d4e044"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gac800997848ce5e6c707372390d945c7c">STM32_PWM1_IRQ_PRIORITY</a> 7</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM1 interrupt priority level setting. <a href="#gac800997848ce5e6c707372390d945c7c"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga0215547b5c9692aa9d6af10e46639f29">STM32_PWM2_IRQ_PRIORITY</a> 7</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM2 interrupt priority level setting. <a href="#ga0215547b5c9692aa9d6af10e46639f29"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga5dc025c64957640f0bd42460648c835a">STM32_PWM3_IRQ_PRIORITY</a> 7</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM3 interrupt priority level setting. <a href="#ga5dc025c64957640f0bd42460648c835a"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gafacc8948371fb7804b5c6cbb2a0aacd8">STM32_PWM4_IRQ_PRIORITY</a> 7</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM4 interrupt priority level setting. <a href="#gafacc8948371fb7804b5c6cbb2a0aacd8"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gafd811fe25f6327c0de0a94a008ab3a40">PWM_COMPUTE_PSC</a>(clksrc, pwmclk) ((<a class="el" href="group___s_t_m8___c_o_r_e.html#ga1f1825b69244eb3ad2c7165ddc99c956">uint16_t</a>)(((clksrc) / (pwmclk)) - 1))</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM clock prescaler initialization utility. <a href="#gafd811fe25f6327c0de0a94a008ab3a40"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga906648c8c8aed069ab8e3a68c7107eb8">PWM_COMPUTE_ARR</a>(pwmclk, pwmperiod) ((<a class="el" href="group___s_t_m8___c_o_r_e.html#ga1f1825b69244eb3ad2c7165ddc99c956">uint16_t</a>)(((pwmclk) / (1000000000 / (pwmperiod))) - 1))</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM cycle period initialization utility. <a href="#ga906648c8c8aed069ab8e3a68c7107eb8"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gaaefdcc19e16b2b3d8fad6fbe338e4b02">PWM_FRACTION_TO_WIDTH</a>(pwmp, numerator, denominator)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Converts from fraction to pulse width. <a href="#gaaefdcc19e16b2b3d8fad6fbe338e4b02"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga650e63fde12b02b59a459dbfe7427334">PWM_DEGREES_TO_WIDTH</a>(pwmp, degrees) PWM_FRACTION_TO_WIDTH(pwmp, 36000, degrees)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Converts from degrees to pulse width. <a href="#ga650e63fde12b02b59a459dbfe7427334"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga4e74ac1c2befb11ff66d218ca8d49531">PWM_PERCENTAGE_TO_WIDTH</a>(pwmp, percentage) PWM_FRACTION_TO_WIDTH(pwmp, 10000, percentage)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Converts from percentage to pulse width. <a href="#ga4e74ac1c2befb11ff66d218ca8d49531"></a><br/></td></tr>
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<tr><td colspan="2"><h2><a name="typedef-members"></a>
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Typedefs</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM channel type. <a href="#ga605a8a67c0f1cf38cecfcfada45b28b5"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="group___s_t_m8___c_o_r_e.html#ga1f1825b69244eb3ad2c7165ddc99c956">uint16_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gaef1826611f5a65369e9e02d04e81ed61">pwmcnt_t</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM counter type. <a href="#gaef1826611f5a65369e9e02d04e81ed61"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#gaa3b607ac7aca4dc59345f779667c74e1">PWMDriver</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Type of a structure representing an PWM driver. <a href="#gaa3b607ac7aca4dc59345f779667c74e1"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga77de6597901387b5b6ecb58613b09b56">pwmcallback_t</a> )(<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM notification callback type. <a href="#ga77de6597901387b5b6ecb58613b09b56"></a><br/></td></tr>
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<tr><td colspan="2"><h2><a name="enum-members"></a>
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Enumerations</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">enum </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,
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<a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151">PWM_STOP</a> = 1,
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<a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086">PWM_READY</a> = 2
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}</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>Driver state machine possible states. </p>
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<a href="group___p_w_m.html#ga9b63d6f4d51e8ca9ee1fce2a1bc86bc5">More...</a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">enum </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,
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<a class="el" href="group___p_w_m.html#ggaaa2db6a7be396595dcf16da3f94634a0aebf0e802a4bab8825b697f2f7e8346f1">PWM_OUTPUT_ACTIVE_HIGH</a> = 1,
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<a class="el" href="group___p_w_m.html#ggaaa2db6a7be396595dcf16da3f94634a0a7a1e4472427e3a352e4837ba5146fcba">PWM_OUTPUT_ACTIVE_LOW</a> = 2
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}</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>PWM logic mode. </p>
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<a href="group___p_w_m.html#gaaa2db6a7be396595dcf16da3f94634a0">More...</a><br/></td></tr>
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<tr><td colspan="2"><h2><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga1c8ae46921c4ae7d57bd44dd994e10bd">pwmInit</a> (void)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">PWM Driver initialization. <a href="#ga1c8ae46921c4ae7d57bd44dd994e10bd"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="mdescLeft"> </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>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Configures and activates the PWM peripheral. <a href="#ga9c14dc1b026c78809440281786aceda3"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Deactivates the PWM peripheral. <a href="#ga8a4d0d8a47883efe286a332cade14080"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Enables a PWM channel. <a href="#gafd6c45693467da77ab13edca8420620d"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </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>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Disables a PWM channel. <a href="#gac2679d11833a4ea9df5a9ed2e4a2c2e7"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga7cb5729a65c0996584808e4f93b28a0d">pwm_lld_init</a> (void)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Low level PWM driver initialization. <a href="#ga7cb5729a65c0996584808e4f93b28a0d"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga8a4d803d25a5326b48b3713ffd5fce53">pwm_lld_start</a> (<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Configures and activates the PWM peripheral. <a href="#ga8a4d803d25a5326b48b3713ffd5fce53"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga48b759363af69a6aaee37a362ed5bfd2">pwm_lld_stop</a> (<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Deactivates the PWM peripheral. <a href="#ga48b759363af69a6aaee37a362ed5bfd2"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga8c6320208680a823925d2816856437cc">pwm_lld_enable_channel</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>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Enables a PWM channel. <a href="#ga8c6320208680a823925d2816856437cc"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_w_m.html#ga78cb61d7ea9fc996e3c2adec3f37cfd8">pwm_lld_disable_channel</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>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Disables a PWM channel. <a href="#ga78cb61d7ea9fc996e3c2adec3f37cfd8"></a><br/></td></tr>
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</table>
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<hr/><h2>Define Documentation</h2>
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<a class="anchor" id="gabe1aa3e76c63f687d918628c57def482"></a><!-- doxytag: member="pwm.h::pwmEnableChannelI" ref="gabe1aa3e76c63f687d918628c57def482" args="(pwmp, channel, width)" -->
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<td class="memname">#define pwmEnableChannelI</td>
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<td>(</td>
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<td class="paramtype"> </td>
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<td class="paramname">pwmp, </td>
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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"> </td>
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<td class="paramname">channel, </td>
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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"> </td>
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<td class="paramname">width</td><td> </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><td> pwm_lld_enable_channel(pwmp, channel, width)</td>
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<div class="memdoc">
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<p>Enables a PWM channel. </p>
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<p>Programs (or reprograms) a PWM channel. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>This function has to be invoked from a lock zone.</dd></dl>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>channel</em> </td><td>PWM channel identifier </td></tr>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>width</em> </td><td>PWM pulse width as clock pulses number </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="pwm_8h_source.html#l00089">89</a> of file <a class="el" href="pwm_8h_source.html">pwm.h</a>.</p>
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</div>
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</div>
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<a class="anchor" id="gaa15ffc7b909d46929ea3ef8cc903eea3"></a><!-- doxytag: member="pwm.h::pwmDisableChannelI" ref="gaa15ffc7b909d46929ea3ef8cc903eea3" args="(pwmp, channel)" -->
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<td class="memname">#define pwmDisableChannelI</td>
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<td>(</td>
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<td class="paramtype"> </td>
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<td class="paramname">pwmp, </td>
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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"> </td>
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<td class="paramname">channel</td><td> </td>
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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><td> pwm_lld_disable_channel(pwmp, channel)</td>
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<div class="memdoc">
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<p>Disables a PWM channel. </p>
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<p>The channel is disabled and its output line returned to the idle state. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>This function has to be invoked from a lock zone.</dd></dl>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>channel</em> </td><td>PWM channel identifier </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="pwm_8h_source.html#l00101">101</a> of file <a class="el" href="pwm_8h_source.html">pwm.h</a>.</p>
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</div>
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</div>
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<a class="anchor" id="ga312588cf680d50931666643dea45bb13"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::PWM_CHANNELS" ref="ga312588cf680d50931666643dea45bb13" args="" -->
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<td class="memname">#define PWM_CHANNELS 4</td>
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<div class="memdoc">
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<p>Number of PWM channels per PWM driver. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00040">40</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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<a class="anchor" id="ga0fe5257a5ba79302dce9df6d50de9364"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::USE_STM32_PWM1" ref="ga0fe5257a5ba79302dce9df6d50de9364" args="" -->
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<td class="memname">#define USE_STM32_PWM1 TRUE</td>
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</table>
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</div>
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<div class="memdoc">
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<p>PWM1 driver enable switch. </p>
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<p>If set to <code>TRUE</code> the support for PWM1 is included. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>The default is <code>TRUE</code>. </dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00052">52</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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</div>
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<a class="anchor" id="gac7e757e9d0af908f7e06ab5221f30aa2"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::USE_STM32_PWM2" ref="gac7e757e9d0af908f7e06ab5221f30aa2" args="" -->
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<td class="memname">#define USE_STM32_PWM2 TRUE</td>
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</table>
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</div>
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<div class="memdoc">
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<p>PWM2 driver enable switch. </p>
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<p>If set to <code>TRUE</code> the support for PWM2 is included. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>The default is <code>TRUE</code>. </dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00061">61</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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</div>
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<a class="anchor" id="gaf1306b9ade0a6771eaa967feeeb075f3"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::USE_STM32_PWM3" ref="gaf1306b9ade0a6771eaa967feeeb075f3" args="" -->
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<td class="memname">#define USE_STM32_PWM3 TRUE</td>
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</table>
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</div>
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<div class="memdoc">
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<p>PWM3 driver enable switch. </p>
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<p>If set to <code>TRUE</code> the support for PWM3 is included. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>The default is <code>TRUE</code>. </dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00070">70</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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</div>
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<a class="anchor" id="gae2f2fa3291ecf36f8f270efa25d4e044"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::USE_STM32_PWM4" ref="gae2f2fa3291ecf36f8f270efa25d4e044" args="" -->
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<td class="memname">#define USE_STM32_PWM4 TRUE</td>
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<div class="memdoc">
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<p>PWM4 driver enable switch. </p>
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<p>If set to <code>TRUE</code> the support for PWM4 is included. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>The default is <code>TRUE</code>. </dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00079">79</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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<a class="anchor" id="gac800997848ce5e6c707372390d945c7c"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::STM32_PWM1_IRQ_PRIORITY" ref="gac800997848ce5e6c707372390d945c7c" args="" -->
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<td class="memname">#define STM32_PWM1_IRQ_PRIORITY 7</td>
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<p>PWM1 interrupt priority level setting. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00086">86</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#ga8a4d803d25a5326b48b3713ffd5fce53">pwm_lld_start()</a>.</p>
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<a class="anchor" id="ga0215547b5c9692aa9d6af10e46639f29"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::STM32_PWM2_IRQ_PRIORITY" ref="ga0215547b5c9692aa9d6af10e46639f29" args="" -->
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<td class="memname">#define STM32_PWM2_IRQ_PRIORITY 7</td>
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<p>PWM2 interrupt priority level setting. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00093">93</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#ga8a4d803d25a5326b48b3713ffd5fce53">pwm_lld_start()</a>.</p>
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<a class="anchor" id="ga5dc025c64957640f0bd42460648c835a"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::STM32_PWM3_IRQ_PRIORITY" ref="ga5dc025c64957640f0bd42460648c835a" args="" -->
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<td class="memname">#define STM32_PWM3_IRQ_PRIORITY 7</td>
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<p>PWM3 interrupt priority level setting. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00100">100</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#ga8a4d803d25a5326b48b3713ffd5fce53">pwm_lld_start()</a>.</p>
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<a class="anchor" id="gafacc8948371fb7804b5c6cbb2a0aacd8"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::STM32_PWM4_IRQ_PRIORITY" ref="gafacc8948371fb7804b5c6cbb2a0aacd8" args="" -->
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<td class="memname">#define STM32_PWM4_IRQ_PRIORITY 7</td>
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<p>PWM4 interrupt priority level setting. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00107">107</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#ga8a4d803d25a5326b48b3713ffd5fce53">pwm_lld_start()</a>.</p>
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<a class="anchor" id="gafd811fe25f6327c0de0a94a008ab3a40"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::PWM_COMPUTE_PSC" ref="gafd811fe25f6327c0de0a94a008ab3a40" args="(clksrc, pwmclk)" -->
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<td class="memname">#define PWM_COMPUTE_PSC</td>
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<td>(</td>
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<td class="paramname">clksrc, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"> </td>
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<td class="paramname">pwmclk</td><td> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td><td> ((<a class="el" href="group___s_t_m8___c_o_r_e.html#ga1f1825b69244eb3ad2c7165ddc99c956">uint16_t</a>)(((clksrc) / (pwmclk)) - 1))</td>
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<p>PWM clock prescaler initialization utility. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>The real clock value is rounded to the lower valid value, please make sure that the source clock frequency is a multiple of the requested PWM clock frequency. </dd>
|
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<dd>
|
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The calculated value must fit into an unsigned 16 bits integer.</dd></dl>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>clksrc</em> </td><td>clock source frequency, depending on the target timer cell it can be one of:</p>
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<ul>
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<li>STM32_TIMCLK1</li>
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<li>STM32_TIMCLK2</li>
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</ul>
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<p>Please refer to the STM32 HAL driver documentation and/or the STM32 Reference Manual for the right clock source. </td></tr>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmclk</em> </td><td>PWM clock frequency in cycles </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="return"><dt><b>Returns:</b></dt><dd>The value to be stored in the <code>pc_psc</code> field of the <code><a class="el" href="struct_p_w_m_config.html" title="Driver configuration structure.">PWMConfig</a></code> structure. </dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00245">245</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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<a class="anchor" id="ga906648c8c8aed069ab8e3a68c7107eb8"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::PWM_COMPUTE_ARR" ref="ga906648c8c8aed069ab8e3a68c7107eb8" args="(pwmclk, pwmperiod)" -->
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<tr>
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<td class="memname">#define PWM_COMPUTE_ARR</td>
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<td>(</td>
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<td class="paramtype"> </td>
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<td class="paramname">pwmclk, </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"> </td>
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<td class="paramname">pwmperiod</td><td> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td><td> ((<a class="el" href="group___s_t_m8___c_o_r_e.html#ga1f1825b69244eb3ad2c7165ddc99c956">uint16_t</a>)(((pwmclk) / (1000000000 / (pwmperiod))) - 1))</td>
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</tr>
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<div class="memdoc">
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<p>PWM cycle period initialization utility. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>The calculated value must fit into an unsigned 16 bits integer.</dd></dl>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmclk</em> </td><td>PWM clock frequency in cycles </td></tr>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmperiod</em> </td><td>PWM cycle period in nanoseconds </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="return"><dt><b>Returns:</b></dt><dd>The value to be stored in the <code>pc_arr</code> field of the <code><a class="el" href="struct_p_w_m_config.html" title="Driver configuration structure.">PWMConfig</a></code> structure. </dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00257">257</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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<a class="anchor" id="gaaefdcc19e16b2b3d8fad6fbe338e4b02"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::PWM_FRACTION_TO_WIDTH" ref="gaaefdcc19e16b2b3d8fad6fbe338e4b02" args="(pwmp, numerator, denominator)" -->
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<td class="memname">#define PWM_FRACTION_TO_WIDTH</td>
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<td>(</td>
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<td class="paramtype"> </td>
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<td class="paramname">pwmp, </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"> </td>
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<td class="paramname">numerator, </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"> </td>
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<td class="paramname">denominator</td><td> </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><td></td>
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</table>
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<div class="memdoc">
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<b>Value:</b><div class="fragment"><pre class="fragment">((uint16_t)((((<a class="code" href="group___s_t_m8___c_o_r_e.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>)(pwmp)->pd_config->pc_arr + 1UL) * \
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(<a class="code" href="group___s_t_m8___c_o_r_e.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>)(denominator)) / (uint32_t)(numerator)))
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</pre></div>
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<p>Converts from fraction to pulse width. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>Be careful with rounding errors, this is integer math not magic. You can specify tenths of thousandth but make sure you have the proper hardware resolution by carefully choosing the clock source and prescaler settings, see <code>PWM_COMPUTE_PSC</code>.</dd></dl>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>numerator</em> </td><td>numerator of the fraction </td></tr>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>denominator</em> </td><td>percentage as an integer between 0 and numerator </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="return"><dt><b>Returns:</b></dt><dd>The pulse width to be passed to <code><a class="el" href="group___p_w_m.html#gafd6c45693467da77ab13edca8420620d" title="Enables a PWM channel.">pwmEnableChannel()</a></code>.</dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00273">273</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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<a class="anchor" id="ga650e63fde12b02b59a459dbfe7427334"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::PWM_DEGREES_TO_WIDTH" ref="ga650e63fde12b02b59a459dbfe7427334" args="(pwmp, degrees)" -->
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<td class="memname">#define PWM_DEGREES_TO_WIDTH</td>
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<td>(</td>
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<td class="paramtype"> </td>
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<td class="paramname">pwmp, </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"> </td>
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<td class="paramname">degrees</td><td> </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><td> PWM_FRACTION_TO_WIDTH(pwmp, 36000, degrees)</td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Converts from degrees to pulse width. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>Be careful with rounding errors, this is integer math not magic. You can specify hundredths of degrees but make sure you have the proper hardware resolution by carefully choosing the clock source and prescaler settings, see <code>PWM_COMPUTE_PSC</code>.</dd></dl>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>degrees</em> </td><td>degrees as an integer between 0 and 36000 </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="return"><dt><b>Returns:</b></dt><dd>The pulse width to be passed to <code><a class="el" href="group___p_w_m.html#gafd6c45693467da77ab13edca8420620d" title="Enables a PWM channel.">pwmEnableChannel()</a></code>.</dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00290">290</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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</div>
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<a class="anchor" id="ga4e74ac1c2befb11ff66d218ca8d49531"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::PWM_PERCENTAGE_TO_WIDTH" ref="ga4e74ac1c2befb11ff66d218ca8d49531" args="(pwmp, percentage)" -->
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<td class="memname">#define PWM_PERCENTAGE_TO_WIDTH</td>
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<td>(</td>
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<td class="paramtype"> </td>
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<td class="paramname">pwmp, </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"> </td>
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<td class="paramname">percentage</td><td> </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><td> PWM_FRACTION_TO_WIDTH(pwmp, 10000, percentage)</td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Converts from percentage to pulse width. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>Be careful with rounding errors, this is integer math not magic. You can specify tenths of thousandth but make sure you have the proper hardware resolution by carefully choosing the clock source and prescaler settings, see <code>PWM_COMPUTE_PSC</code>.</dd></dl>
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<dl><dt><b>Parameters:</b></dt><dd>
|
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<table border="0" cellspacing="2" cellpadding="0">
|
|
<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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> </td><td valign="top"><em>percentage</em> </td><td>percentage as an integer between 0 and 10000 </td></tr>
|
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</table>
|
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</dd>
|
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</dl>
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<dl class="return"><dt><b>Returns:</b></dt><dd>The pulse width to be passed to <code><a class="el" href="group___p_w_m.html#gafd6c45693467da77ab13edca8420620d" title="Enables a PWM channel.">pwmEnableChannel()</a></code>.</dd></dl>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00306">306</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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</div>
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<hr/><h2>Typedef Documentation</h2>
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<a class="anchor" id="ga605a8a67c0f1cf38cecfcfada45b28b5"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::pwmchannel_t" ref="ga605a8a67c0f1cf38cecfcfada45b28b5" args="" -->
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<td class="memname">typedef <a class="el" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> <a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a></td>
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<p>PWM channel type. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00130">130</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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</div>
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<a class="anchor" id="gaef1826611f5a65369e9e02d04e81ed61"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::pwmcnt_t" ref="gaef1826611f5a65369e9e02d04e81ed61" args="" -->
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<td class="memname">typedef <a class="el" href="group___s_t_m8___c_o_r_e.html#ga1f1825b69244eb3ad2c7165ddc99c956">uint16_t</a> <a class="el" href="group___p_w_m___l_l_d.html#gaef1826611f5a65369e9e02d04e81ed61">pwmcnt_t</a></td>
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<p>PWM counter type. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00135">135</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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<a class="anchor" id="gaa3b607ac7aca4dc59345f779667c74e1"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::PWMDriver" ref="gaa3b607ac7aca4dc59345f779667c74e1" args="" -->
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<td class="memname">typedef struct <a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> <a class="el" href="struct_p_w_m_driver.html">PWMDriver</a></td>
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</tr>
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<p>Type of a structure representing an PWM driver. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00140">140</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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<a class="anchor" id="ga77de6597901387b5b6ecb58613b09b56"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::pwmcallback_t" ref="ga77de6597901387b5b6ecb58613b09b56" args=")(PWMDriver *pwmp)" -->
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<td class="memname">typedef void(* <a class="el" href="group___p_w_m.html#ga77de6597901387b5b6ecb58613b09b56">pwmcallback_t</a>)(<a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> *pwmp)</td>
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<p>PWM notification callback type. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
|
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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</dd>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html#l00147">147</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8h_source.html">platforms/STM32/pwm_lld.h</a>.</p>
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<hr/><h2>Enumeration Type Documentation</h2>
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<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">
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<p>Driver state machine possible states. </p>
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<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
|
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<tr><td valign="top"><em><a class="anchor" id="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5abff5b42e5ab002433b66a8910548b48c"></a><!-- doxytag: member="PWM_UNINIT" ref="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5abff5b42e5ab002433b66a8910548b48c" args="" -->PWM_UNINIT</em> </td><td>
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<p>Not initialized. </p>
|
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</td></tr>
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<tr><td valign="top"><em><a class="anchor" id="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151"></a><!-- doxytag: member="PWM_STOP" ref="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151" args="" -->PWM_STOP</em> </td><td>
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<p>Stopped. </p>
|
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</td></tr>
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<tr><td valign="top"><em><a class="anchor" id="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086"></a><!-- doxytag: member="PWM_READY" ref="gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086" args="" -->PWM_READY</em> </td><td>
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<p>Ready. </p>
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</td></tr>
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</table>
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</dd>
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<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>
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</div>
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</div>
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<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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<p>PWM logic mode. </p>
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<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><em><a class="anchor" id="ggaaa2db6a7be396595dcf16da3f94634a0a36ed95007c3ef01cab4254f099e57b4d"></a><!-- doxytag: member="PWM_OUTPUT_DISABLED" ref="ggaaa2db6a7be396595dcf16da3f94634a0a36ed95007c3ef01cab4254f099e57b4d" args="" -->PWM_OUTPUT_DISABLED</em> </td><td>
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<p>Output not driven, callback only. </p>
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<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> </td><td>
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<p>Idle is logic level 0. </p>
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</td></tr>
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<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> </td><td>
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<p>Idle is logic level 1. </p>
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</td></tr>
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</table>
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</dd>
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<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>
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</div>
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<hr/><h2>Function Documentation</h2>
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<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>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td>
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<td> ) </td>
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<p>PWM Driver initialization. </p>
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<p>Definition at line <a class="el" href="pwm_8c_source.html#l00059">59</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
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<p>References <a class="el" href="group___p_w_m___l_l_d.html#ga7cb5729a65c0996584808e4f93b28a0d">pwm_lld_init()</a>.</p>
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<p>Referenced by <a class="el" href="group___h_a_l.html#gafd89c1650df524d95aef39b8bc38170d">halInit()</a>.</p>
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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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> * </td>
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<td class="paramname"> <em>pwmp</em></td>
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<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>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<p>Definition at line <a class="el" href="pwm_8c_source.html#l00069">69</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
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<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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<p>Referenced by <a class="el" href="group___p_w_m.html#ga7cb5729a65c0996584808e4f93b28a0d">pwm_lld_init()</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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> * </td>
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<td class="paramname"> <em>pwmp</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="struct_p_w_m_config.html">PWMConfig</a> * </td>
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<td class="paramname"> <em>config</em></td><td> </td>
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<td>)</td>
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<p>Configures and activates the PWM peripheral. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>config</em> </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>
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<p>Definition at line <a class="el" href="pwm_8c_source.html#l00084">84</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
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<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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> * </td>
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<td class="paramname"> <em>pwmp</em></td>
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<p>Deactivates the PWM peripheral. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<p>Definition at line <a class="el" href="pwm_8c_source.html#l00102">102</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
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<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>(</td>
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<td class="paramtype"><a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a> </td>
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<p>Enables a PWM channel. </p>
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<p>Programs (or reprograms) a PWM channel.</p>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>channel</em> </td><td>PWM channel identifier (0...PWM_CHANNELS-1) </td></tr>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>width</em> </td><td>PWM pulse width as clock pulses number </td></tr>
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<p>Definition at line <a class="el" href="pwm_8c_source.html#l00122">122</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
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<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>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a> </td>
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<td class="paramname"> <em>channel</em></td><td> </td>
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<p>Disables a PWM channel. </p>
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<p>The channel is disabled and its output line returned to the idle state.</p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>channel</em> </td><td>PWM channel identifier (0...PWM_CHANNELS-1) </td></tr>
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<p>Definition at line <a class="el" href="pwm_8c_source.html#l00144">144</a> of file <a class="el" href="pwm_8c_source.html">pwm.c</a>.</p>
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<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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<area shape="rect" id="node3" href="group___p_w_m___l_l_d.html#ga78cb61d7ea9fc996e3c2adec3f37cfd8" title="Disables a PWM channel." alt="" coords="173,5,320,32"/>
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<a class="anchor" id="ga7cb5729a65c0996584808e4f93b28a0d"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::pwm_lld_init" ref="ga7cb5729a65c0996584808e4f93b28a0d" args="(void)" -->
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<td class="memname">void pwm_lld_init </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td> ) </td>
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<p>Low level PWM driver initialization. </p>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html#l00206">206</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html">platforms/STM32/pwm_lld.c</a>.</p>
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<p>References <a class="el" href="struct_p_w_m_driver.html#a2301452c1ee3ef218ff2d3cd8305913b">PWMDriver::pd_enabled_channels</a>, <a class="el" href="struct_p_w_m_driver.html#a166b96927bbe9f85015a7ca390c668a7">PWMDriver::pd_tim</a>, and <a class="el" href="group___p_w_m.html#ga4dbf1fded2984ff6dc240afd2e1fcd74">pwmObjectInit()</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#ga1c8ae46921c4ae7d57bd44dd994e10bd">pwmInit()</a>.</p>
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<a class="anchor" id="ga8a4d803d25a5326b48b3713ffd5fce53"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::pwm_lld_start" ref="ga8a4d803d25a5326b48b3713ffd5fce53" args="(PWMDriver *pwmp)" -->
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<td class="memname">void pwm_lld_start </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> * </td>
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<td class="paramname"> <em>pwmp</em></td>
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<td> ) </td>
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<p>Configures and activates the PWM peripheral. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </td><td>pointer to the <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> object</td></tr>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html#l00258">258</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html">platforms/STM32/pwm_lld.c</a>.</p>
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<p>References <a class="el" href="group___a_r_m_c_mx___c_o_r_e.html#gabf50672d926743f012521dad719f3a0f">CORTEX_PRIORITY_MASK</a>, <a class="el" href="group___a_r_m_c_mx___n_v_i_c.html#ga607470c0f5d4bd0ee0f7208a9def4986">NVICEnableVector()</a>, <a class="el" href="struct_p_w_m_config.html#a883f1938e1e6af6759a7a7e9f459a8ca">PWMConfig::pc_arr</a>, <a class="el" href="struct_p_w_m_config.html#a5543b74e75ec8598f0bc5878fdcfacf2">PWMConfig::pc_callback</a>, <a class="el" href="struct_p_w_m_config.html#aede2520d01a1a34146ab2356c764cbf2">PWMConfig::pc_channels</a>, <a class="el" href="struct_p_w_m_config.html#ad505b6cbea937cc878584f50875437d7">PWMConfig::pc_cr2</a>, <a class="el" href="struct_p_w_m_config.html#ac393e708ea08dc7d5c9714be8fef35db">PWMConfig::pc_psc</a>, <a class="el" href="struct_p_w_m_channel_config.html#ae11e4f30de426d95a22c22a65ab0408c">PWMChannelConfig::pcc_mode</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#a2301452c1ee3ef218ff2d3cd8305913b">PWMDriver::pd_enabled_channels</a>, <a class="el" href="struct_p_w_m_driver.html#a773d182992e086ff89dd85d2f5e17dea">PWMDriver::pd_state</a>, <a class="el" href="struct_p_w_m_driver.html#a166b96927bbe9f85015a7ca390c668a7">PWMDriver::pd_tim</a>, <a class="el" href="group___p_w_m.html#ggaaa2db6a7be396595dcf16da3f94634a0aebf0e802a4bab8825b697f2f7e8346f1">PWM_OUTPUT_ACTIVE_HIGH</a>, <a class="el" href="group___p_w_m.html#ggaaa2db6a7be396595dcf16da3f94634a0a7a1e4472427e3a352e4837ba5146fcba">PWM_OUTPUT_ACTIVE_LOW</a>, <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a4da638211112ff017325e9472592a151">PWM_STOP</a>, <a class="el" href="group___p_w_m.html#gac800997848ce5e6c707372390d945c7c">STM32_PWM1_IRQ_PRIORITY</a>, <a class="el" href="group___p_w_m.html#ga0215547b5c9692aa9d6af10e46639f29">STM32_PWM2_IRQ_PRIORITY</a>, <a class="el" href="group___p_w_m.html#ga5dc025c64957640f0bd42460648c835a">STM32_PWM3_IRQ_PRIORITY</a>, and <a class="el" href="group___p_w_m.html#gafacc8948371fb7804b5c6cbb2a0aacd8">STM32_PWM4_IRQ_PRIORITY</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#ga9c14dc1b026c78809440281786aceda3">pwmStart()</a>.</p>
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<a class="anchor" id="ga48b759363af69a6aaee37a362ed5bfd2"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::pwm_lld_stop" ref="ga48b759363af69a6aaee37a362ed5bfd2" args="(PWMDriver *pwmp)" -->
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<td class="memname">void pwm_lld_stop </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="struct_p_w_m_driver.html">PWMDriver</a> * </td>
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<td class="paramname"> <em>pwmp</em></td>
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<p>Deactivates the PWM peripheral. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </td><td>pointer to the <code><a class="el" href="struct_p_w_m_driver.html" title="Structure representing an PWM driver.">PWMDriver</a></code> object</td></tr>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html#l00370">370</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html">platforms/STM32/pwm_lld.c</a>.</p>
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<p>References <a class="el" href="group___a_r_m_c_mx___n_v_i_c.html#ga66f3c540c80ac9d9ea7878671b0bd59e">NVICDisableVector()</a>, <a class="el" href="struct_p_w_m_driver.html#a2301452c1ee3ef218ff2d3cd8305913b">PWMDriver::pd_enabled_channels</a>, <a class="el" href="struct_p_w_m_driver.html#a773d182992e086ff89dd85d2f5e17dea">PWMDriver::pd_state</a>, <a class="el" href="struct_p_w_m_driver.html#a166b96927bbe9f85015a7ca390c668a7">PWMDriver::pd_tim</a>, and <a class="el" href="group___p_w_m.html#gga9b63d6f4d51e8ca9ee1fce2a1bc86bc5a1bb17b80878c81e8a0e4671a44bc7086">PWM_READY</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#ga8a4d0d8a47883efe286a332cade14080">pwmStop()</a>.</p>
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<a class="anchor" id="ga8c6320208680a823925d2816856437cc"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::pwm_lld_enable_channel" ref="ga8c6320208680a823925d2816856437cc" args="(PWMDriver *pwmp, pwmchannel_t channel, pwmcnt_t width)" -->
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<td class="paramtype"><a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a> </td>
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<p>Enables a PWM channel. </p>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>channel</em> </td><td>PWM channel identifier (0...PWM_CHANNELS-1) </td></tr>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html#l00421">421</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html">platforms/STM32/pwm_lld.c</a>.</p>
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<p>References <a class="el" href="struct_p_w_m_config.html#aede2520d01a1a34146ab2356c764cbf2">PWMConfig::pc_channels</a>, <a class="el" href="struct_p_w_m_channel_config.html#a092221365865144cb12fa7e2c2e55c3a">PWMChannelConfig::pcc_callback</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#a2301452c1ee3ef218ff2d3cd8305913b">PWMDriver::pd_enabled_channels</a>, and <a class="el" href="struct_p_w_m_driver.html#a166b96927bbe9f85015a7ca390c668a7">PWMDriver::pd_tim</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#gafd6c45693467da77ab13edca8420620d">pwmEnableChannel()</a>.</p>
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<a class="anchor" id="ga78cb61d7ea9fc996e3c2adec3f37cfd8"></a><!-- doxytag: member="platforms/STM32/pwm_lld.h::pwm_lld_disable_channel" ref="ga78cb61d7ea9fc996e3c2adec3f37cfd8" args="(PWMDriver *pwmp, pwmchannel_t channel)" -->
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<td class="paramtype"><a class="el" href="group___p_w_m___l_l_d.html#ga605a8a67c0f1cf38cecfcfada45b28b5">pwmchannel_t</a> </td>
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<td class="paramname"> <em>channel</em></td><td> </td>
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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><td></td>
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<div class="memdoc">
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<p>Disables a PWM channel. </p>
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<p>The channel is disabled and its output line returned to the idle state.</p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>pwmp</em> </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>
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<tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>channel</em> </td><td>PWM channel identifier (0...PWM_CHANNELS-1) </td></tr>
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<p>Definition at line <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html#l00446">446</a> of file <a class="el" href="platforms_2_s_t_m32_2pwm__lld_8c_source.html">platforms/STM32/pwm_lld.c</a>.</p>
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<p>References <a class="el" href="struct_p_w_m_driver.html#a2301452c1ee3ef218ff2d3cd8305913b">PWMDriver::pd_enabled_channels</a>, and <a class="el" href="struct_p_w_m_driver.html#a166b96927bbe9f85015a7ca390c668a7">PWMDriver::pd_tim</a>.</p>
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<p>Referenced by <a class="el" href="group___p_w_m.html#gac2679d11833a4ea9df5a9ed2e4a2c2e7">pwmDisableChannel()</a>.</p>
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<hr size="1"><address style="text-align: right;"><small>
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Generated on Sun Nov 28 2010 14:09:58 for ChibiOS/RT by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.7.1</small></address>
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