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<div class="title">GPIO_IRQ<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 IRQ functions
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
Ameba Common</h2></td></tr>
<tr class="memitem:gaa0af91058c138031cbcc5b93121644af"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaa0af91058c138031cbcc5b93121644af"></a>enum  </td><td class="memItemRight" valign="bottom"><b>gpio_irq_event</b> { <b>IRQ_NONE</b>,
<b>IRQ_RISE</b>,
<b>IRQ_FALL</b>
}</td></tr>
<tr class="separator:gaa0af91058c138031cbcc5b93121644af"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga4f80240a9d73b8366c9accba5710d9c2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga4f80240a9d73b8366c9accba5710d9c2"></a>
typedef void(* </td><td class="memItemRight" valign="bottom"><b>gpio_irq_handler</b>) (uint32_t id, gpio_irq_event event)</td></tr>
<tr class="separator:ga4f80240a9d73b8366c9accba5710d9c2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6172134a981e1244772096c754e00456"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__irq__api.html#ga6172134a981e1244772096c754e00456">gpio_irq_init</a> (gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)</td></tr>
<tr class="memdesc:ga6172134a981e1244772096c754e00456"><td class="mdescLeft"> </td><td class="mdescRight">Initializes the GPIO device interrupt mode, include mode/trigger/polarity registers. <a href="#ga6172134a981e1244772096c754e00456">More...</a><br /></td></tr>
<tr class="separator:ga6172134a981e1244772096c754e00456"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga7737a15a96b480bdaa8808a7cc4f2413"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__irq__api.html#ga7737a15a96b480bdaa8808a7cc4f2413">gpio_irq_free</a> (gpio_irq_t *obj)</td></tr>
<tr class="memdesc:ga7737a15a96b480bdaa8808a7cc4f2413"><td class="mdescLeft"> </td><td class="mdescRight">Deinitializes the GPIO device interrupt mode, include mode/trigger/polarity registers. <a href="#ga7737a15a96b480bdaa8808a7cc4f2413">More...</a><br /></td></tr>
<tr class="separator:ga7737a15a96b480bdaa8808a7cc4f2413"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga201303d06fbcecf88ccd6e87db2d2aaf"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__irq__api.html#ga201303d06fbcecf88ccd6e87db2d2aaf">gpio_irq_set</a> (gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)</td></tr>
<tr class="memdesc:ga201303d06fbcecf88ccd6e87db2d2aaf"><td class="mdescLeft"> </td><td class="mdescRight">Enable/Disable gpio interrupt. <a href="#ga201303d06fbcecf88ccd6e87db2d2aaf">More...</a><br /></td></tr>
<tr class="separator:ga201303d06fbcecf88ccd6e87db2d2aaf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1c8afe7c67f55f2df903806650555ee8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__irq__api.html#ga1c8afe7c67f55f2df903806650555ee8">gpio_irq_enable</a> (gpio_irq_t *obj)</td></tr>
<tr class="memdesc:ga1c8afe7c67f55f2df903806650555ee8"><td class="mdescLeft"> </td><td class="mdescRight">Enable gpio interrupt. <a href="#ga1c8afe7c67f55f2df903806650555ee8">More...</a><br /></td></tr>
<tr class="separator:ga1c8afe7c67f55f2df903806650555ee8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga437a99b34e5c1938d91f61f12aa69f27"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__irq__api.html#ga437a99b34e5c1938d91f61f12aa69f27">gpio_irq_disable</a> (gpio_irq_t *obj)</td></tr>
<tr class="memdesc:ga437a99b34e5c1938d91f61f12aa69f27"><td class="mdescLeft"> </td><td class="mdescRight">Disable gpio interrupt. <a href="#ga437a99b34e5c1938d91f61f12aa69f27">More...</a><br /></td></tr>
<tr class="separator:ga437a99b34e5c1938d91f61f12aa69f27"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaaa71cacc38696728cb75171ef14b01fe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__gpio__irq__api.html#gaaa71cacc38696728cb75171ef14b01fe">gpio_irq_set_event</a> (gpio_irq_t *obj, gpio_irq_event event)</td></tr>
<tr class="memdesc:gaaa71cacc38696728cb75171ef14b01fe"><td class="mdescLeft"> </td><td class="mdescRight">Enable the specified gpio interrupt event. <a href="#gaaa71cacc38696728cb75171ef14b01fe">More...</a><br /></td></tr>
<tr class="separator:gaaa71cacc38696728cb75171ef14b01fe"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>gpio IRQ functions </p>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga437a99b34e5c1938d91f61f12aa69f27"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void gpio_irq_disable </td>
<td>(</td>
<td class="paramtype">gpio_irq_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Disable gpio interrupt. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio irq 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="ga1c8afe7c67f55f2df903806650555ee8"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void gpio_irq_enable </td>
<td>(</td>
<td class="paramtype">gpio_irq_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Enable gpio interrupt. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio irq 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="ga7737a15a96b480bdaa8808a7cc4f2413"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void gpio_irq_free </td>
<td>(</td>
<td class="paramtype">gpio_irq_t * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Deinitializes the GPIO device interrupt mode, include mode/trigger/polarity registers. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio irq 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>
<dl class="section note"><dt>Note</dt><dd>this API only works for Port A pins </dd></dl>
</div>
</div>
<a class="anchor" id="ga6172134a981e1244772096c754e00456"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int gpio_irq_init </td>
<td>(</td>
<td class="paramtype">gpio_irq_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">PinName </td>
<td class="paramname"><em>pin</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">gpio_irq_handler </td>
<td class="paramname"><em>handler</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>id</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Initializes the GPIO device interrupt mode, include mode/trigger/polarity registers. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio irq object define in application software. </td></tr>
<tr><td class="paramname">pin</td><td>PinName according to pinmux spec. </td></tr>
<tr><td class="paramname">handler</td><td>Interrupt handler to be assigned to the specified pin. </td></tr>
<tr><td class="paramname">id</td><td>handler id. </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>this API only works for Port A pins </dd></dl>
</div>
</div>
<a class="anchor" id="ga201303d06fbcecf88ccd6e87db2d2aaf"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void gpio_irq_set </td>
<td>(</td>
<td class="paramtype">gpio_irq_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">gpio_irq_event </td>
<td class="paramname"><em>event</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>enable</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Enable/Disable gpio interrupt. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio irq object define in application software. </td></tr>
<tr><td class="paramname">event</td><td>gpio interrupt event, this parameter can be one of the following values: <ul>
<li>IRQ_RISE: rising edge interrupt event </li>
<li>IRQ_FALL: falling edge interrupt event </li>
<li>IRQ_LOW: low level interrupt event </li>
<li>IRQ_HIGH: high level interrupt event </li>
<li>IRQ_NONE: no interrupt event </li>
</ul>
</td></tr>
<tr><td class="paramname">enable</td><td>this parameter can be one of the following values: <ul>
<li>0 disable gpio interrupt </li>
<li>1 enable gpio interrupt </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="gaaa71cacc38696728cb75171ef14b01fe"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void gpio_irq_set_event </td>
<td>(</td>
<td class="paramtype">gpio_irq_t * </td>
<td class="paramname"><em>obj</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">gpio_irq_event </td>
<td class="paramname"><em>event</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Enable the specified gpio interrupt event. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>gpio irq object define in application software. </td></tr>
<tr><td class="paramname">event</td><td>gpio interrupt event, this parameter can be one of the following values: <ul>
<li>IRQ_RISE: rising edge interrupt event </li>
<li>IRQ_FALL: falling edge interrupt event </li>
<li>IRQ_LOW: low level interrupt event </li>
<li>IRQ_HIGH: high level interrupt event </li>
<li>IRQ_NONE: no interrupt event </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>
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