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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Procyon AVRlib: a2d.c File Reference</title><link href="dox.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.6 --><div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="modules.html">Modules</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a></div><h1>a2d.c File Reference</h1>Analog-to-Digital converter function library. <a href="#_details">More...</a><p><code>#include <avr/io.h></code><br><code>#include <avr/signal.h></code><br><code>#include <avr/interrupt.h></code><br><code>#include "<a class="el" href="global_8h-source.html">global.h</a>"</code><br><code>#include "<a class="el" href="a2d_8h-source.html">a2d.h</a>"</code><br><p><a href="a2d_8c-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0><tr><td></td></tr><tr><td colspan=2><br><h2>Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a1" doxytag="a2d.c::a2dInit" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a1">a2dInit</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Initializes the A/D converter. <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a2" doxytag="a2d.c::a2dOff" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a2">a2dOff</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Turn off A/D converter. <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a3" doxytag="a2d.c::a2dSetPrescaler" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a3">a2dSetPrescaler</a> (unsigned char prescale)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">sets the division ratio of the A/D converter clock <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a4" doxytag="a2d.c::a2dSetReference" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a4">a2dSetReference</a> (unsigned char ref)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">configures which voltage reference the A/D converter uses <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a5" doxytag="a2d.c::a2dSetChannel" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a5">a2dSetChannel</a> (unsigned char ch)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">sets the a2d input channel <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a6" doxytag="a2d.c::a2dStartConvert" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a6">a2dStartConvert</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">start a conversion on the current a2d input channel <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a7" doxytag="a2d.c::a2dIsComplete" ></a>u08 </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a7">a2dIsComplete</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">return TRUE if conversion is complete <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a8" doxytag="a2d.c::a2dConvert10bit" ></a>unsigned short </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a8">a2dConvert10bit</a> (unsigned char ch)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">starts a conversion on A/D channel# ch, <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a9" doxytag="a2d.c::a2dConvert8bit" ></a>unsigned char </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a9">a2dConvert8bit</a> (unsigned char ch)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">starts a conversion on A/D channel# ch, <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a10" doxytag="a2d.c::SIGNAL" ></a> </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a10">SIGNAL</a> (SIG_ADC)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">interrupt handler for ADC complete interrupt <br><br></td></tr><tr><td colspan=2><br><h2>Variables</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top>volatile unsigned char </td><td class="memItemRight" valign=bottom><a class="el" href="a2d_8c.html#a0">a2dCompleteFlag</a></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>Analog-to-Digital converter function library. <p><p>Definition in file <a class="el" href="a2d_8c-source.html">a2d.c</a>.<hr><h2>Variable Documentation</h2><a class="anchor" name="a0" doxytag="a2d.c::a2dCompleteFlag" ></a><p><table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> volatile unsigned char <a class="el" href="a2d_8c.html#a0">a2dCompleteFlag</a> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>software flag used to indicate when the a2d conversion is complete <p>Definition at line <a class="el" href="a2d_8c-source.html#l00029">29</a> of file <a class="el" href="a2d_8c-source.html">a2d.c</a>.<p>Referenced by <a class="el" href="a2d_8c-source.html#l00088">a2dConvert10bit()</a>, <a class="el" href="a2d_8c-source.html#l00034">a2dInit()</a>, and <a class="el" href="a2d_8c-source.html#l00111">SIGNAL()</a>. </td> </tr></table><hr size="1"><address style="align: right;"><small>Generated on Fri Oct 15 03:50:22 2004 for Procyon AVRlib by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 > </a>1.3.6 </small></address></body></html>⌨️ 快捷键说明
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