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xscuwdt.c File Reference
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<h1>xscuwdt.c File Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>
Contains the implementation of interface functions of the <a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> driver. See xscuwdt.h for a description of the driver.<p>
<pre>
MODIFICATION HISTORY:</pre><p>
<pre> Ver Who Date Changes
----- --- -------- ---------------------------------------------
1.00a sdm 01/15/10 First release
</pre>
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<code>#include "xscuwdt.h"</code><br>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="xscuwdt_8c.html#89082f584a64b3f0243a079198f587fc">XScuWdt_CfgInitialize</a> (<a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> *InstancePtr, <a class="el" href="struct_x_scu_wdt___config.html">XScuWdt_Config</a> *ConfigPtr, u32 EffectiveAddress)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="xscuwdt_8c.html#073330f2deca8513cc5dee9c6d5eb3fa">XScuWdt_Start</a> (<a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> *InstancePtr)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="xscuwdt_8c.html#45f259a72e5b779196d2906625ef89b2">XScuWdt_Stop</a> (<a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> *InstancePtr)</td></tr>
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="89082f584a64b3f0243a079198f587fc"></a><!-- doxytag: member="xscuwdt.c::XScuWdt_CfgInitialize" ref="89082f584a64b3f0243a079198f587fc" args="(XScuWdt *InstancePtr, XScuWdt_Config *ConfigPtr, u32 EffectiveAddress)" --><p>
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<td class="md" nowrap valign="top">int XScuWdt_CfgInitialize </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> * </td>
<td class="mdname" nowrap> <em>InstancePtr</em>, </td>
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<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="struct_x_scu_wdt___config.html">XScuWdt_Config</a> * </td>
<td class="mdname" nowrap> <em>ConfigPtr</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>u32 </td>
<td class="mdname" nowrap> <em>EffectiveAddress</em></td>
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<td class="md"></td>
<td class="md">) </td>
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<p>
Initialize a specific watchdog timer instance/driver. This function must be called before other functions of the driver are called.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>InstancePtr</em> </td><td>is a pointer to the <a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> instance. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>ConfigPtr</em> </td><td>is the config structure. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>EffectiveAddress</em> </td><td>is the base address for the device. It could be a virtual address if address translation is supported in the system, otherwise it is the physical address.</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd><ul>
<li>XST_SUCCESS if initialization was successful.</li><li>XST_DEVICE_IS_STARTED if the device has already been started.</li></ul>
</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>This function enables the watchdog mode. </dd></dl>
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<a class="anchor" name="073330f2deca8513cc5dee9c6d5eb3fa"></a><!-- doxytag: member="xscuwdt.c::XScuWdt_Start" ref="073330f2deca8513cc5dee9c6d5eb3fa" args="(XScuWdt *InstancePtr)" --><p>
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<td class="md" nowrap valign="top">void XScuWdt_Start </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>InstancePtr</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
Start the watchdog counter of the device.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>InstancePtr</em> </td><td>is a pointer to the <a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> instance.</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>User needs to select the appropriate mode (watchdog/timer) before using this API. See XScuWdt_SetWdMode/XScuWdt_SetTimerMode macros in xscuwdt.h. </dd></dl>
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<a class="anchor" name="45f259a72e5b779196d2906625ef89b2"></a><!-- doxytag: member="xscuwdt.c::XScuWdt_Stop" ref="45f259a72e5b779196d2906625ef89b2" args="(XScuWdt *InstancePtr)" --><p>
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<td class="md" nowrap valign="top">void XScuWdt_Stop </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> * </td>
<td class="mdname1" valign="top" nowrap> <em>InstancePtr</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
Stop the watchdog timer.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>InstancePtr</em> </td><td>is a pointer to the <a class="el" href="struct_x_scu_wdt.html">XScuWdt</a> instance.</td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>None.</dd></dl>
<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
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