2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
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120 lines
5.2 KiB
HTML
Executable file
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>2014.1_doc: usleep.c File Reference</title>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<li><a href="globals.html"><span>Globals</span></a></li>
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<a class="el" href="dir_U_3A_2Fdoxygen_5Fpublish_2Fsources_2Fbsp_2Fstandalone_5Fv4_5F0_2Fsrc_2Fcortexa9_2F.html">cortexa9</a></div>
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<h1>usleep.c File Reference</h1><code>#include "sleep.h"</code><br>
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<code>#include "<a class="el" href="xtime__l_8h.html">xtime_l.h</a>"</code><br>
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<code>#include "xparameters.h"</code><br>
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<code>#include "<a class="el" href="xpseudo__asm_8h.html">xpseudo_asm.h</a>"</code><br>
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<code>#include "<a class="el" href="xreg__cortexa9_8h.html">xreg_cortexa9.h</a>"</code><br>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="usleep_8c.html#c84589b4b4fdc796efa9dd34d741b897">nanosleep</a> (unsigned int nanoseconds)</td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="usleep_8c.html#ef00207b470801951507f2bae1bb4032">usleep</a> (unsigned int useconds)</td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
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This function provides a microsecond delay using the Global Timer register in the ARM Cortex A9 MP core.<p>
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<pre>
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MODIFICATION HISTORY:</pre><p>
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<pre> Ver Who Date Changes
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----- -------- -------- -----------------------------------------------
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1.00a ecm/sdm 11/11/09 First release
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3.07a sgd 07/05/12 Upadted micro sleep function to make use Global Timer
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</pre> <hr><h2>Function Documentation</h2>
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<a class="anchor" name="c84589b4b4fdc796efa9dd34d741b897"></a><!-- doxytag: member="usleep.c::nanosleep" ref="c84589b4b4fdc796efa9dd34d741b897" args="(unsigned int nanoseconds)" --><p>
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<td class="md" nowrap valign="top">void nanosleep </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">unsigned int </td>
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<td class="mdname1" valign="top" nowrap> <em>nanoseconds</em> </td>
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<td class="md" valign="top"> ) </td>
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This is not implemented .<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>nanoseconds</em> </td><td></td></tr>
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</table>
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</dl>
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<dl compact><dt><b>Returns:</b></dt><dd>None</dd></dl>
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<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
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<a class="anchor" name="ef00207b470801951507f2bae1bb4032"></a><!-- doxytag: member="usleep.c::usleep" ref="ef00207b470801951507f2bae1bb4032" args="(unsigned int useconds)" --><p>
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<td class="md" nowrap valign="top">int usleep </td>
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<td class="md" valign="top">( </td>
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<td class="md" nowrap valign="top">unsigned int </td>
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<td class="mdname1" valign="top" nowrap> <em>useconds</em> </td>
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<td class="md" valign="top"> ) </td>
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<p>
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This API gives a delay in microseconds<p>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>useconds</em> </td><td>requested</td></tr>
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</dl>
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<dl compact><dt><b>Returns:</b></dt><dd>0 if the delay can be achieved, -1 if the requested delay is out of range</dd></dl>
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<dl compact><dt><b>Note:</b></dt><dd>None. </dd></dl>
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<hr size="1"><address style="align: right;"><small>Generated on Thu Feb 13 14:48:12 2014 for 2014.1_doc by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.5 </small></address>
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