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<a href="#func-members">Functions</a> </div>
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<div class="title">GPIO_EX<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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<p>gpio extended functions
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga96eee4084b798ca6f4b1a8c72ebe45c7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__ex.html#ga96eee4084b798ca6f4b1a8c72ebe45c7">gpio_direct_write</a> (gpio_t *obj, BOOL value)</td></tr>
<tr class="memdesc:ga96eee4084b798ca6f4b1a8c72ebe45c7"><td class="mdescLeft"> </td><td class="mdescRight">Sets value to the selected output port pin. <a href="#ga96eee4084b798ca6f4b1a8c72ebe45c7">More...</a><br /></td></tr>
<tr class="separator:ga96eee4084b798ca6f4b1a8c72ebe45c7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga94178a2675322895b3fe83894fd510b6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__ex.html#ga94178a2675322895b3fe83894fd510b6">gpio_pull_ctrl</a> (gpio_t *obj, PinMode pull_type)</td></tr>
<tr class="memdesc:ga94178a2675322895b3fe83894fd510b6"><td class="mdescLeft"> </td><td class="mdescRight">Sets pull type to the selected pin. <a href="#ga94178a2675322895b3fe83894fd510b6">More...</a><br /></td></tr>
<tr class="separator:ga94178a2675322895b3fe83894fd510b6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga99b42c1df43337a63742e7e31fef1fae"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__ex.html#ga99b42c1df43337a63742e7e31fef1fae">gpio_deinit</a> (gpio_t *obj)</td></tr>
<tr class="memdesc:ga99b42c1df43337a63742e7e31fef1fae"><td class="mdescLeft"> </td><td class="mdescRight">Deinitializes the GPIO device, include mode/direction/pull control registers. <a href="#ga99b42c1df43337a63742e7e31fef1fae">More...</a><br /></td></tr>
<tr class="separator:ga99b42c1df43337a63742e7e31fef1fae"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab0f90db4820daa65f777891fceaa7e8f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__ex.html#gab0f90db4820daa65f777891fceaa7e8f">gpio_change_dir</a> (gpio_t *obj, PinDirection direction)</td></tr>
<tr class="memdesc:gab0f90db4820daa65f777891fceaa7e8f"><td class="mdescLeft"> </td><td class="mdescRight">Set GPIO direction. <a href="#gab0f90db4820daa65f777891fceaa7e8f">More...</a><br /></td></tr>
<tr class="separator:gab0f90db4820daa65f777891fceaa7e8f"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>gpio extended functions </p>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="gab0f90db4820daa65f777891fceaa7e8f"></a>
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<div class="memproto">
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<td class="memname">void gpio_change_dir </td>
<td>(</td>
<td class="paramtype">gpio_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">PinDirection </td>
<td class="paramname"><em>direction</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Set GPIO direction. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio object define in application software. </td></tr>
<tr><td class="paramname">direction</td><td>this parameter can be one of the following values: <ul>
<li>PIN_INPUT: this pin is input </li>
<li>PIN_OUTPUT: this pin is output </li>
</ul>
</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="ga99b42c1df43337a63742e7e31fef1fae"></a>
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<div class="memproto">
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<td class="memname">void gpio_deinit </td>
<td>(</td>
<td class="paramtype">gpio_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Deinitializes the GPIO device, include mode/direction/pull control registers. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio 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">none</td><td></td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga96eee4084b798ca6f4b1a8c72ebe45c7"></a>
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<tr>
<td class="memname">void gpio_direct_write </td>
<td>(</td>
<td class="paramtype">gpio_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">BOOL </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 output port pin. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio object define in application software. </td></tr>
<tr><td class="paramname">value</td><td>specifies the value to be written to the selected pin This parameter can be one of the following values: <ul>
<li>0: Pin state set to low </li>
<li>1: Pin state set to high </li>
</ul>
</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="ga94178a2675322895b3fe83894fd510b6"></a>
<div class="memitem">
<div class="memproto">
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<tr>
<td class="memname">void gpio_pull_ctrl </td>
<td>(</td>
<td class="paramtype">gpio_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">PinMode </td>
<td class="paramname"><em>pull_type</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Sets pull type to the selected pin. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio object define in application software. </td></tr>
<tr><td class="paramname">pull_type</td><td>this parameter can be one of the following values: <ul>
<li>PullNone: HighZ, user can input high or low use this pin </li>
<li>OpenDrain(is OpenDrain output): no pull + OUT + GPIO[gpio_bit] = 0 </li>
<li>PullDown: pull down </li>
<li>PullUp: pull up </li>
</ul>
</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>
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