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281 lines
12 KiB
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<meta name="generator" content="Doxygen 1.8.11"/>
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<title>SDK4.0: WDT</title>
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<div id="projectname">SDK4.0
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<div id="projectbrief">This document shows Ameba SDK 4.0 APIs</div>
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</td>
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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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name="MSearchResults" id="MSearchResults">
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</iframe>
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<div class="header">
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<div class="title">WDT<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>wdt 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:gac14ab8a8dd42b259b5987166420c8787"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gac14ab8a8dd42b259b5987166420c8787"></a>
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typedef void(* </td><td class="memItemRight" valign="bottom"><b>wdt_irq_handler</b>) (uint32_t id)</td></tr>
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<tr class="separator:gac14ab8a8dd42b259b5987166420c8787"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga6790d1a45a85ea205f1dc88d7743364d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__wdt.html#ga6790d1a45a85ea205f1dc88d7743364d">watchdog_init</a> (uint32_t timeout_ms)</td></tr>
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<tr class="memdesc:ga6790d1a45a85ea205f1dc88d7743364d"><td class="mdescLeft"> </td><td class="mdescRight">Initializes the watch dog, include time setting, mode register. <a href="#ga6790d1a45a85ea205f1dc88d7743364d">More...</a><br /></td></tr>
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<tr class="separator:ga6790d1a45a85ea205f1dc88d7743364d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga9eeb628cdc696984c5fe147b8237483b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__wdt.html#ga9eeb628cdc696984c5fe147b8237483b">watchdog_start</a> (void)</td></tr>
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<tr class="memdesc:ga9eeb628cdc696984c5fe147b8237483b"><td class="mdescLeft"> </td><td class="mdescRight">Start the watchdog counting. <a href="#ga9eeb628cdc696984c5fe147b8237483b">More...</a><br /></td></tr>
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<tr class="separator:ga9eeb628cdc696984c5fe147b8237483b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga284d9a9542a5fa2c84bf4a70bfbc80aa"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__wdt.html#ga284d9a9542a5fa2c84bf4a70bfbc80aa">watchdog_stop</a> (void)</td></tr>
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<tr class="memdesc:ga284d9a9542a5fa2c84bf4a70bfbc80aa"><td class="mdescLeft"> </td><td class="mdescRight">Stop the watchdog counting. <a href="#ga284d9a9542a5fa2c84bf4a70bfbc80aa">More...</a><br /></td></tr>
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<tr class="separator:ga284d9a9542a5fa2c84bf4a70bfbc80aa"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga4ae5ad65c961268051560516eeff623f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__wdt.html#ga4ae5ad65c961268051560516eeff623f">watchdog_refresh</a> (void)</td></tr>
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<tr class="memdesc:ga4ae5ad65c961268051560516eeff623f"><td class="mdescLeft"> </td><td class="mdescRight">Refresh the watchdog counting to prevent WDT timeout. <a href="#ga4ae5ad65c961268051560516eeff623f">More...</a><br /></td></tr>
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<tr class="separator:ga4ae5ad65c961268051560516eeff623f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaac3d110c27e55083ead43d44cc4f0594"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__wdt.html#gaac3d110c27e55083ead43d44cc4f0594">watchdog_irq_init</a> (wdt_irq_handler handler, uint32_t id)</td></tr>
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<tr class="memdesc:gaac3d110c27e55083ead43d44cc4f0594"><td class="mdescLeft"> </td><td class="mdescRight">Switch the watchdog timer to interrupt mode and register a watchdog timer timeout interrupt handler. The interrupt handler will be called when the watch-dog timer is timeout. <a href="#gaac3d110c27e55083ead43d44cc4f0594">More...</a><br /></td></tr>
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<tr class="separator:gaac3d110c27e55083ead43d44cc4f0594"><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>wdt functions </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a class="anchor" id="ga6790d1a45a85ea205f1dc88d7743364d"></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 watchdog_init </td>
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<td>(</td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>timeout_ms</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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<p>Initializes the watch dog, include time setting, mode register. </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">timeout_ms</td><td>the watch-dog timer timeout value, in ms. default action of timeout is to reset the whole system. </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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<tr>
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<td class="memname">void watchdog_irq_init </td>
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<td>(</td>
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<td class="paramtype">wdt_irq_handler </td>
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<td class="paramname"><em>handler</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>id</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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</table>
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</div><div class="memdoc">
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<p>Switch the watchdog timer to interrupt mode and register a watchdog timer timeout interrupt handler. The interrupt handler will be called when the watch-dog timer is timeout. </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">handler</td><td>the callback function for WDT timeout interrupt. </td></tr>
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<tr><td class="paramname">id</td><td>the parameter for the callback function </td></tr>
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<dl class="retval"><dt>Return values</dt><dd>
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<tr><td class="paramname">none</td><td></td></tr>
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<td class="memname">void watchdog_refresh </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<p>Refresh the watchdog counting to prevent WDT timeout. </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">None</td><td></td></tr>
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</table>
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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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<a class="anchor" id="ga9eeb628cdc696984c5fe147b8237483b"></a>
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<tr>
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<td class="memname">void watchdog_start </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</table>
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</div><div class="memdoc">
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<p>Start the watchdog counting. </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">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="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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<a class="anchor" id="ga284d9a9542a5fa2c84bf4a70bfbc80aa"></a>
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<div class="memitem">
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<td class="memname">void watchdog_stop </td>
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<td>(</td>
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<td class="paramtype">void </td>
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<td class="paramname"></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>Stop the watchdog counting. </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">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="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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</div><!-- contents -->
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<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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