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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: i2csw.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>i2csw.c File Reference</h1>Software-driven I2C interface using port pins. <a href="#_details">More...</a><p><code>#include <avr/io.h></code><br><code>#include "<a class="el" href="i2csw_8h-source.html">i2csw.h</a>"</code><br><p><a href="i2csw_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>Defines</h2></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a0" doxytag="i2csw.c::QDEL" ></a>#define </td><td class="memItemRight" valign=bottom><b>QDEL</b> asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop");</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a1" doxytag="i2csw.c::HDEL" ></a>#define </td><td class="memItemRight" valign=bottom><b>HDEL</b> asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop"); asm volatile("nop");</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a2" doxytag="i2csw.c::I2C_SDL_LO" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_SDL_LO</b> cbi( SDAPORT, SDA)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a3" doxytag="i2csw.c::I2C_SDL_HI" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_SDL_HI</b> sbi( SDAPORT, SDA)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a4" doxytag="i2csw.c::I2C_SCL_LO" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_SCL_LO</b> cbi( SCLPORT, SCL);</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a5" doxytag="i2csw.c::I2C_SCL_HI" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_SCL_HI</b> sbi( SCLPORT, SCL);</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a6" doxytag="i2csw.c::I2C_SCL_TOGGLE" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_SCL_TOGGLE</b> HDEL; I2C_SCL_HI; HDEL; I2C_SCL_LO;</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a7" doxytag="i2csw.c::I2C_START" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_START</b> I2C_SDL_LO; QDEL; I2C_SCL_LO;</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a8" doxytag="i2csw.c::I2C_STOP" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_STOP</b> HDEL; I2C_SCL_HI; QDEL; I2C_SDL_HI; HDEL;</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="a9" doxytag="i2csw.c::i2cPutbyte" ></a>UINT </td><td class="memItemRight" valign=bottom><b>i2cPutbyte</b> (u08 b)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a10" doxytag="i2csw.c::i2cGetbyte" ></a>u08 </td><td class="memItemRight" valign=bottom><b>i2cGetbyte</b> (UINT last)</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a11" doxytag="i2csw.c::i2cInit" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="i2csw_8c.html#a11">i2cInit</a> (void)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Initialize I2C (TWI) interface. <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a12" doxytag="i2csw.c::i2cSend" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="i2csw_8c.html#a12">i2cSend</a> (u08 device, u08 subAddr, u08 length, u08 *data)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Send a byte sequence on the I2C bus. <br><br></td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a13" doxytag="i2csw.c::i2cReceive" ></a>void </td><td class="memItemRight" valign=bottom><a class="el" href="i2csw_8c.html#a13">i2cReceive</a> (u08 device, u08 subAddr, u08 length, u08 *data)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieve a byte sequence on the I2C bus. <br><br></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>Software-driven I2C interface using port pins. <p><p>Definition in file <a class="el" href="i2csw_8c-source.html">i2csw.c</a>.<hr size="1"><address style="align: right;"><small>Generated on Fri Oct 15 03:50:23 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>?? 快捷鍵說(shuō)明
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