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399 lines
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399 lines
16 KiB
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<td id="projectalign" style="padding-left: 0.5em;">
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<div id="projectname">SDK4.0
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</div>
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<div id="projectbrief">This document shows Ameba SDK 4.0 APIs</div>
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<li class="current"><a href="modules.html"><span>Modules</span></a></li>
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<li><a href="annotated.html"><span>Data Structures</span></a></li>
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<div class="header">
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<div class="title">PORT<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>port 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:gaed62f3ea86da10b6ac0aa7fa2e599aff"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaed62f3ea86da10b6ac0aa7fa2e599aff"></a>
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typedef struct port_s </td><td class="memItemRight" valign="bottom"><b>port_t</b></td></tr>
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<tr class="separator:gaed62f3ea86da10b6ac0aa7fa2e599aff"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga784619347b19886a2418e6db3701ee12"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__port.html#ga784619347b19886a2418e6db3701ee12">port_init</a> (port_t *obj, PortName port, int mask, PinDirection dir)</td></tr>
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<tr class="memdesc:ga784619347b19886a2418e6db3701ee12"><td class="mdescLeft"> </td><td class="mdescRight">Initializes the GPIO device port, include data direction registers. <a href="#ga784619347b19886a2418e6db3701ee12">More...</a><br /></td></tr>
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<tr class="separator:ga784619347b19886a2418e6db3701ee12"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga60e95a3f2bcb6133ea92cbcdaf27d58f"><td class="memItemLeft" align="right" valign="top">PinName </td><td class="memItemRight" valign="bottom"><a class="el" href="group__port.html#ga60e95a3f2bcb6133ea92cbcdaf27d58f">port_pin</a> (PortName port, int pin_n)</td></tr>
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<tr class="memdesc:ga60e95a3f2bcb6133ea92cbcdaf27d58f"><td class="mdescLeft"> </td><td class="mdescRight">Get GPIO port pin name. <a href="#ga60e95a3f2bcb6133ea92cbcdaf27d58f">More...</a><br /></td></tr>
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<tr class="separator:ga60e95a3f2bcb6133ea92cbcdaf27d58f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga42747a84dadf91597e37ddb79e5b63bf"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__port.html#ga42747a84dadf91597e37ddb79e5b63bf">port_mode</a> (port_t *obj, PinMode mode)</td></tr>
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<tr class="memdesc:ga42747a84dadf91597e37ddb79e5b63bf"><td class="mdescLeft"> </td><td class="mdescRight">Configure GPIO port pins pull up/pull down. <a href="#ga42747a84dadf91597e37ddb79e5b63bf">More...</a><br /></td></tr>
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<tr class="separator:ga42747a84dadf91597e37ddb79e5b63bf"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9f0bcf5a6986c1dc9ce7b99e55622140"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__port.html#ga9f0bcf5a6986c1dc9ce7b99e55622140">port_dir</a> (port_t *obj, PinDirection dir)</td></tr>
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<tr class="memdesc:ga9f0bcf5a6986c1dc9ce7b99e55622140"><td class="mdescLeft"> </td><td class="mdescRight">Set GPIO port pins data direction. <a href="#ga9f0bcf5a6986c1dc9ce7b99e55622140">More...</a><br /></td></tr>
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<tr class="separator:ga9f0bcf5a6986c1dc9ce7b99e55622140"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa7492fe3871b1354b87545fd44335769"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__port.html#gaa7492fe3871b1354b87545fd44335769">port_write</a> (port_t *obj, int value)</td></tr>
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<tr class="memdesc:gaa7492fe3871b1354b87545fd44335769"><td class="mdescLeft"> </td><td class="mdescRight">Sets value to the selected port pins. <a href="#gaa7492fe3871b1354b87545fd44335769">More...</a><br /></td></tr>
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<tr class="separator:gaa7492fe3871b1354b87545fd44335769"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga5fc1ee6dffaa5f560ee25537a203c3d8"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__port.html#ga5fc1ee6dffaa5f560ee25537a203c3d8">port_read</a> (port_t *obj)</td></tr>
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<tr class="memdesc:ga5fc1ee6dffaa5f560ee25537a203c3d8"><td class="mdescLeft"> </td><td class="mdescRight">Reads the specified gpio port pins. <a href="#ga5fc1ee6dffaa5f560ee25537a203c3d8">More...</a><br /></td></tr>
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<tr class="separator:ga5fc1ee6dffaa5f560ee25537a203c3d8"><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>port functions </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="ga9f0bcf5a6986c1dc9ce7b99e55622140"></a>
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<tr>
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<td class="memname">void port_dir </td>
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<td>(</td>
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<td class="paramtype">port_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">PinDirection </td>
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<td class="paramname"><em>dir</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 GPIO port pins data direction. </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>gpio port object define in application software. </td></tr>
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<tr><td class="paramname">dir</td><td>this parameter can be one of the following values: <ul>
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<li>PIN_INPUT: port pins are input </li>
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<li>PIN_OUTPUT: port pins are output </li>
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</ul>
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</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="ga784619347b19886a2418e6db3701ee12"></a>
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<td class="memname">void port_init </td>
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<td>(</td>
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<td class="paramtype">port_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">PortName </td>
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<td class="paramname"><em>port</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>mask</em>, </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">PinDirection </td>
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<td class="paramname"><em>dir</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 GPIO device port, include data direction registers. </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>gpio port object define in application software. </td></tr>
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<tr><td class="paramname">port</td><td>PortName according to pinmux spec, this parameter can be one of the following values: <ul>
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<li>PortA: port A, has 32 pins </li>
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<li>PortB: port B, has 7 pins </li>
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</ul>
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</td></tr>
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<tr><td class="paramname">mask</td><td>One bit one gpio pin, select one or multiple pins of the specified port. </td></tr>
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<tr><td class="paramname">dir</td><td>gpio port direction, this parameter can be one of the following values: <ul>
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<li>PIN_INPUT: port pins are input </li>
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<li>PIN_OUTPUT: port pins are output </li>
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</ul>
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</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="ga42747a84dadf91597e37ddb79e5b63bf"></a>
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<td class="memname">void port_mode </td>
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<td>(</td>
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<td class="paramtype">port_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">PinMode </td>
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<td class="paramname"><em>mode</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>Configure GPIO port pins pull up/pull down. </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>gpio port object define in application software. </td></tr>
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<tr><td class="paramname">mode</td><td>this parameter can be one of the following values: <ul>
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<li>PullNone: HighZ </li>
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<li>OpenDrain(is OpenDrain output): no pull + OUT + GPIO[gpio_bit] = 0 </li>
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<li>PullDown: pull down </li>
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<li>PullUp: pull up </li>
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</ul>
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</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="ga60e95a3f2bcb6133ea92cbcdaf27d58f"></a>
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<table class="memname">
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<tr>
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<td class="memname">PinName port_pin </td>
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<td>(</td>
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<td class="paramtype">PortName </td>
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<td class="paramname"><em>port</em>, </td>
|
||
|
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</tr>
|
||
|
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<tr>
|
||
|
|
<td class="paramkey"></td>
|
||
|
|
<td></td>
|
||
|
|
<td class="paramtype">int </td>
|
||
|
|
<td class="paramname"><em>pin_n</em> </td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td></td>
|
||
|
|
<td>)</td>
|
||
|
|
<td></td><td></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</div><div class="memdoc">
|
||
|
|
|
||
|
|
<p>Get GPIO port pin name. </p>
|
||
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
||
|
|
<table class="params">
|
||
|
|
<tr><td class="paramname">port</td><td>PortName according to pinmux spec, this parameter can be one of the following values: <ul>
|
||
|
|
<li>PortA: port number is A, has 32 pins </li>
|
||
|
|
<li>PortB: port number is B, has 7 pins </li>
|
||
|
|
</ul>
|
||
|
|
</td></tr>
|
||
|
|
<tr><td class="paramname">pin_n</td><td>pin number. </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>
|
||
|
|
<dl class="section note"><dt>Note</dt><dd>pin_n must be set to a value in the 0~31 range when PortA </dd>
|
||
|
|
<dd>
|
||
|
|
pin_n must be set to a value in the 0~6 range when PortB </dd></dl>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<a class="anchor" id="ga5fc1ee6dffaa5f560ee25537a203c3d8"></a>
|
||
|
|
<div class="memitem">
|
||
|
|
<div class="memproto">
|
||
|
|
<table class="memname">
|
||
|
|
<tr>
|
||
|
|
<td class="memname">int port_read </td>
|
||
|
|
<td>(</td>
|
||
|
|
<td class="paramtype">port_t * </td>
|
||
|
|
<td class="paramname"><em>obj</em></td><td>)</td>
|
||
|
|
<td></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</div><div class="memdoc">
|
||
|
|
|
||
|
|
<p>Reads the specified gpio port pins. </p>
|
||
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
||
|
|
<table class="params">
|
||
|
|
<tr><td class="paramname">obj</td><td>gpio port 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>state of the specified gpio port pins </td></tr>
|
||
|
|
</table>
|
||
|
|
</dd>
|
||
|
|
</dl>
|
||
|
|
<dl class="section note"><dt>Note</dt><dd>corresponding bit is 1, pin state is high; corresponding bit is 0, pin state is low </dd></dl>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<a class="anchor" id="gaa7492fe3871b1354b87545fd44335769"></a>
|
||
|
|
<div class="memitem">
|
||
|
|
<div class="memproto">
|
||
|
|
<table class="memname">
|
||
|
|
<tr>
|
||
|
|
<td class="memname">void port_write </td>
|
||
|
|
<td>(</td>
|
||
|
|
<td class="paramtype">port_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>value</em> </td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td></td>
|
||
|
|
<td>)</td>
|
||
|
|
<td></td><td></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</div><div class="memdoc">
|
||
|
|
|
||
|
|
<p>Sets value to the selected port pins. </p>
|
||
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
||
|
|
<table class="params">
|
||
|
|
<tr><td class="paramname">obj</td><td>gpio port object define in application software. </td></tr>
|
||
|
|
<tr><td class="paramname">value</td><td>One bit one gpio pin, set value to one or multiple pins of the specified port. </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>
|
||
|
|
<dl class="section note"><dt>Note</dt><dd>corresponding bit is 1, pin state set to high; corresponding bit is 0, pin state set to low </dd></dl>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
</div><!-- contents -->
|
||
|
|
<!-- start footer part -->
|
||
|
|
<hr class="footer"/><address class="footer"><small>
|
||
|
|
Generated by  <a href="http://www.doxygen.org/index.html">
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||
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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||
|
|
</a> 1.8.11
|
||
|
|
</small></address>
|
||
|
|
</body>
|
||
|
|
</html>
|