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529 lines
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HTML
Executable file
529 lines
22 KiB
HTML
Executable file
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<div id="projectname">SDK3.5
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<div id="projectbrief">This document shows Ameba SDK 3.5 APIs</div>
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name="MSearchResults" id="MSearchResults">
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</div>
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<div class="header">
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<div class="headertitle">
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<div class="title">PWM<div class="ingroups"><a class="el" href="group__sdk.html">Ameba SDK</a> » <a class="el" href="group__hal.html">HAL</a></div></div> </div>
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</div><!--header-->
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<div class="contents">
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<p>pwm functions
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<a href="#details">More...</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
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Ameba Common</h2></td></tr>
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<tr class="memitem:ga6609ec508d3754cc47e6b771cbdca74d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga6609ec508d3754cc47e6b771cbdca74d"></a>
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typedef struct pwmout_s </td><td class="memItemRight" valign="bottom"><b>pwmout_t</b></td></tr>
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<tr class="separator:ga6609ec508d3754cc47e6b771cbdca74d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga22ca92d9da21dff383a56b5b9c93ec26"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#ga22ca92d9da21dff383a56b5b9c93ec26">pwmout_init</a> (pwmout_t *obj, PinName pin)</td></tr>
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<tr class="memdesc:ga22ca92d9da21dff383a56b5b9c93ec26"><td class="mdescLeft"> </td><td class="mdescRight">Initializes the PWM function/registers of the specified pin with default parameters. <a href="#ga22ca92d9da21dff383a56b5b9c93ec26">More...</a><br /></td></tr>
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<tr class="separator:ga22ca92d9da21dff383a56b5b9c93ec26"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga845e5ad41ff502afabe60843652629ac"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#ga845e5ad41ff502afabe60843652629ac">pwmout_free</a> (pwmout_t *obj)</td></tr>
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<tr class="memdesc:ga845e5ad41ff502afabe60843652629ac"><td class="mdescLeft"> </td><td class="mdescRight">Deinitializes the PWM device of the specified channel. <a href="#ga845e5ad41ff502afabe60843652629ac">More...</a><br /></td></tr>
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<tr class="separator:ga845e5ad41ff502afabe60843652629ac"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga003b71531bdbe5909c2610abb31ff359"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#ga003b71531bdbe5909c2610abb31ff359">pwmout_write</a> (pwmout_t *obj, float percent)</td></tr>
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<tr class="memdesc:ga003b71531bdbe5909c2610abb31ff359"><td class="mdescLeft"> </td><td class="mdescRight">Set the duty cycle of the specified channel. <a href="#ga003b71531bdbe5909c2610abb31ff359">More...</a><br /></td></tr>
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<tr class="separator:ga003b71531bdbe5909c2610abb31ff359"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga64333f03eb44bb9eb7e0585c1c9cfada"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#ga64333f03eb44bb9eb7e0585c1c9cfada">pwmout_read</a> (pwmout_t *obj)</td></tr>
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<tr class="memdesc:ga64333f03eb44bb9eb7e0585c1c9cfada"><td class="mdescLeft"> </td><td class="mdescRight">Get the duty cycle value of the specified channel. <a href="#ga64333f03eb44bb9eb7e0585c1c9cfada">More...</a><br /></td></tr>
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<tr class="separator:ga64333f03eb44bb9eb7e0585c1c9cfada"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gabfde33a9e4babe7cea1fdb86f2a44242"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#gabfde33a9e4babe7cea1fdb86f2a44242">pwmout_period</a> (pwmout_t *obj, float seconds)</td></tr>
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<tr class="memdesc:gabfde33a9e4babe7cea1fdb86f2a44242"><td class="mdescLeft"> </td><td class="mdescRight">Set the period of the specified channel in seconds. <a href="#gabfde33a9e4babe7cea1fdb86f2a44242">More...</a><br /></td></tr>
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<tr class="separator:gabfde33a9e4babe7cea1fdb86f2a44242"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac4c0b2e560746d320bb762920df98724"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#gac4c0b2e560746d320bb762920df98724">pwmout_period_ms</a> (pwmout_t *obj, int ms)</td></tr>
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<tr class="memdesc:gac4c0b2e560746d320bb762920df98724"><td class="mdescLeft"> </td><td class="mdescRight">Set the period of the specified channel in millseconds. <a href="#gac4c0b2e560746d320bb762920df98724">More...</a><br /></td></tr>
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<tr class="separator:gac4c0b2e560746d320bb762920df98724"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2724962892f5fa07799fdc0e5dee3cc5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#ga2724962892f5fa07799fdc0e5dee3cc5">pwmout_period_us</a> (pwmout_t *obj, int us)</td></tr>
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<tr class="memdesc:ga2724962892f5fa07799fdc0e5dee3cc5"><td class="mdescLeft"> </td><td class="mdescRight">Set the period of the specified channel in microseconds. <a href="#ga2724962892f5fa07799fdc0e5dee3cc5">More...</a><br /></td></tr>
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<tr class="separator:ga2724962892f5fa07799fdc0e5dee3cc5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaaaed83e37b0e1c7bc291e09a943f8088"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#gaaaed83e37b0e1c7bc291e09a943f8088">pwmout_pulsewidth</a> (pwmout_t *obj, float seconds)</td></tr>
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<tr class="memdesc:gaaaed83e37b0e1c7bc291e09a943f8088"><td class="mdescLeft"> </td><td class="mdescRight">Set the pulse width of the specified channel in seconds. <a href="#gaaaed83e37b0e1c7bc291e09a943f8088">More...</a><br /></td></tr>
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<tr class="separator:gaaaed83e37b0e1c7bc291e09a943f8088"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga07f0505dc979159073a0b35d29fb2094"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#ga07f0505dc979159073a0b35d29fb2094">pwmout_pulsewidth_ms</a> (pwmout_t *obj, int ms)</td></tr>
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<tr class="memdesc:ga07f0505dc979159073a0b35d29fb2094"><td class="mdescLeft"> </td><td class="mdescRight">Set the pulse width of the specified channel in milliseconds. <a href="#ga07f0505dc979159073a0b35d29fb2094">More...</a><br /></td></tr>
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<tr class="separator:ga07f0505dc979159073a0b35d29fb2094"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gacd728677762b944897d0d5d304a4a4a4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__pwm.html#gacd728677762b944897d0d5d304a4a4a4">pwmout_pulsewidth_us</a> (pwmout_t *obj, int us)</td></tr>
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<tr class="memdesc:gacd728677762b944897d0d5d304a4a4a4"><td class="mdescLeft"> </td><td class="mdescRight">Set the pulse width of the specified channel in microseconds. <a href="#gacd728677762b944897d0d5d304a4a4a4">More...</a><br /></td></tr>
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<tr class="separator:gacd728677762b944897d0d5d304a4a4a4"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>pwm functions </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="ga845e5ad41ff502afabe60843652629ac"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void pwmout_free </td>
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<td>(</td>
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<td class="paramtype">pwmout_t * </td>
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<td class="paramname"><em>obj</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Deinitializes the PWM device of the specified channel. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">none</td><td></td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section note"><dt>Note</dt><dd>If all channels are released, TIM5 will also be disabled. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga22ca92d9da21dff383a56b5b9c93ec26"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void pwmout_init </td>
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<td>(</td>
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<td class="paramtype">pwmout_t * </td>
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<td class="paramname"><em>obj</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">PinName </td>
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<td class="paramname"><em>pin</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Initializes the PWM function/registers of the specified pin with default parameters. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
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<tr><td class="paramname">pin</td><td>the pinname of specified channel to be set. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">none</td><td></td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section note"><dt>Note</dt><dd><ul>
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<li>default period: 1638us</li>
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<li>default pulse width: 102us</li>
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<li>default duty cycle: 6.227% </li>
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</ul>
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</dd></dl>
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</div>
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</div>
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<a class="anchor" id="gabfde33a9e4babe7cea1fdb86f2a44242"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void pwmout_period </td>
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<td>(</td>
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<td class="paramtype">pwmout_t * </td>
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<td class="paramname"><em>obj</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"><em>seconds</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Set the period of the specified channel in seconds. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
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<tr><td class="paramname">seconds</td><td>The period value to be set in seconds. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">none</td><td></td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gac4c0b2e560746d320bb762920df98724"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void pwmout_period_ms </td>
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<td>(</td>
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<td class="paramtype">pwmout_t * </td>
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<td class="paramname"><em>obj</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>ms</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Set the period of the specified channel in millseconds. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
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<tr><td class="paramname">ms</td><td>The period value to be set in millseconds. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">none</td><td></td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga2724962892f5fa07799fdc0e5dee3cc5"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void pwmout_period_us </td>
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<td>(</td>
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<td class="paramtype">pwmout_t * </td>
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<td class="paramname"><em>obj</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>us</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Set the period of the specified channel in microseconds. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
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<tr><td class="paramname">us</td><td>The period value to be set in microseconds. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">none</td><td></td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="gaaaed83e37b0e1c7bc291e09a943f8088"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void pwmout_pulsewidth </td>
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<td>(</td>
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<td class="paramtype">pwmout_t * </td>
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<td class="paramname"><em>obj</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float </td>
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<td class="paramname"><em>seconds</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Set the pulse width of the specified channel in seconds. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
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<tr><td class="paramname">seconds</td><td>The pulse width value to be set in seconds. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="retval"><dt>Return values</dt><dd>
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<table class="retval">
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<tr><td class="paramname">none</td><td></td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a class="anchor" id="ga07f0505dc979159073a0b35d29fb2094"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">void pwmout_pulsewidth_ms </td>
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<td>(</td>
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|
<td class="paramtype">pwmout_t * </td>
|
|
<td class="paramname"><em>obj</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">int </td>
|
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<td class="paramname"><em>ms</em> </td>
|
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</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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|
|
<p>Set the pulse width of the specified channel in milliseconds. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
|
|
<tr><td class="paramname">ms</td><td>The pulse width value to be set in milliseconds. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname">none</td><td></td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
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</div>
|
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<a class="anchor" id="gacd728677762b944897d0d5d304a4a4a4"></a>
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<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">void pwmout_pulsewidth_us </td>
|
|
<td>(</td>
|
|
<td class="paramtype">pwmout_t * </td>
|
|
<td class="paramname"><em>obj</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">int </td>
|
|
<td class="paramname"><em>us</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<p>Set the pulse width of the specified channel in microseconds. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
|
|
<tr><td class="paramname">us</td><td>The pulse width value to be set in microseconds. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname">none</td><td></td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga64333f03eb44bb9eb7e0585c1c9cfada"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">float pwmout_read </td>
|
|
<td>(</td>
|
|
<td class="paramtype">pwmout_t * </td>
|
|
<td class="paramname"><em>obj</em></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<p>Get the duty cycle value of the specified channel. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname"></td><td>the duty cycle value of the specified channel. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
|
|
<a class="anchor" id="ga003b71531bdbe5909c2610abb31ff359"></a>
|
|
<div class="memitem">
|
|
<div class="memproto">
|
|
<table class="memname">
|
|
<tr>
|
|
<td class="memname">void pwmout_write </td>
|
|
<td>(</td>
|
|
<td class="paramtype">pwmout_t * </td>
|
|
<td class="paramname"><em>obj</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">float </td>
|
|
<td class="paramname"><em>percent</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
|
<td>)</td>
|
|
<td></td><td></td>
|
|
</tr>
|
|
</table>
|
|
</div><div class="memdoc">
|
|
|
|
<p>Set the duty cycle of the specified channel. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">obj</td><td>PWM object define in application software. </td></tr>
|
|
<tr><td class="paramname">percent</td><td>The duty cycle value to be set. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="retval"><dt>Return values</dt><dd>
|
|
<table class="retval">
|
|
<tr><td class="paramname">none</td><td></td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
|
|
</div>
|
|
</div>
|
|
</div><!-- contents -->
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