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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 ARMlib-LPC2100: i2c.h 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="files.html">File List</a> | <a class="qindex" href="globals.html">Globals</a></div><h1>i2c.h File Reference</h1>I2C interface using Philips LPC internal I2C hardware. <a href="#_details">More...</a><p><p><a href="i2c_8h-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="i2c.h::TW_START" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_START</b> 0x08</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a1" doxytag="i2c.h::TW_REP_START" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_REP_START</b> 0x10</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a2" doxytag="i2c.h::TW_MT_SLA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MT_SLA_ACK</b> 0x18</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a3" doxytag="i2c.h::TW_MT_SLA_NACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MT_SLA_NACK</b> 0x20</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a4" doxytag="i2c.h::TW_MT_DATA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MT_DATA_ACK</b> 0x28</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a5" doxytag="i2c.h::TW_MT_DATA_NACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MT_DATA_NACK</b> 0x30</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a6" doxytag="i2c.h::TW_MT_ARB_LOST" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MT_ARB_LOST</b> 0x38</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a7" doxytag="i2c.h::TW_MR_ARB_LOST" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MR_ARB_LOST</b> 0x38</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a8" doxytag="i2c.h::TW_MR_SLA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MR_SLA_ACK</b> 0x40</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a9" doxytag="i2c.h::TW_MR_SLA_NACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MR_SLA_NACK</b> 0x48</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a10" doxytag="i2c.h::TW_MR_DATA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MR_DATA_ACK</b> 0x50</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a11" doxytag="i2c.h::TW_MR_DATA_NACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_MR_DATA_NACK</b> 0x58</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a12" doxytag="i2c.h::TW_ST_SLA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_ST_SLA_ACK</b> 0xA8</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a13" doxytag="i2c.h::TW_ST_ARB_LOST_SLA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_ST_ARB_LOST_SLA_ACK</b> 0xB0</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a14" doxytag="i2c.h::TW_ST_DATA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_ST_DATA_ACK</b> 0xB8</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a15" doxytag="i2c.h::TW_ST_DATA_NACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_ST_DATA_NACK</b> 0xC0</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a16" doxytag="i2c.h::TW_ST_LAST_DATA" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_ST_LAST_DATA</b> 0xC8</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a17" doxytag="i2c.h::TW_SR_SLA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_SLA_ACK</b> 0x60</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a18" doxytag="i2c.h::TW_SR_ARB_LOST_SLA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_ARB_LOST_SLA_ACK</b> 0x68</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a19" doxytag="i2c.h::TW_SR_GCALL_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_GCALL_ACK</b> 0x70</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a20" doxytag="i2c.h::TW_SR_ARB_LOST_GCALL_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_ARB_LOST_GCALL_ACK</b> 0x78</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a21" doxytag="i2c.h::TW_SR_DATA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_DATA_ACK</b> 0x80</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a22" doxytag="i2c.h::TW_SR_DATA_NACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_DATA_NACK</b> 0x88</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a23" doxytag="i2c.h::TW_SR_GCALL_DATA_ACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_GCALL_DATA_ACK</b> 0x90</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a24" doxytag="i2c.h::TW_SR_GCALL_DATA_NACK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_GCALL_DATA_NACK</b> 0x98</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a25" doxytag="i2c.h::TW_SR_STOP" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_SR_STOP</b> 0xA0</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a26" doxytag="i2c.h::TW_NO_INFO" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_NO_INFO</b> 0xF8</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a27" doxytag="i2c.h::TW_BUS_ERROR" ></a>#define </td><td class="memItemRight" valign=bottom><b>TW_BUS_ERROR</b> 0x00</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a28" doxytag="i2c.h::I2CON_AA" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2CON_AA</b> 2</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a29" doxytag="i2c.h::I2CON_SI" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2CON_SI</b> 3</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a30" doxytag="i2c.h::I2CON_STO" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2CON_STO</b> 4</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a31" doxytag="i2c.h::I2CON_STA" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2CON_STA</b> 5</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a32" doxytag="i2c.h::I2CON_I2EN" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2CON_I2EN</b> 6</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a33" doxytag="i2c.h::TWCR_CMD_MASK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TWCR_CMD_MASK</b> 0x0F</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a34" doxytag="i2c.h::TWSR_STATUS_MASK" ></a>#define </td><td class="memItemRight" valign=bottom><b>TWSR_STATUS_MASK</b> 0xF8</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a35" doxytag="i2c.h::I2C_OK" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_OK</b> 0x00</td></tr><tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a36" doxytag="i2c.h::I2C_ERROR_NODEV" ></a>#define </td><td class="memItemRight" valign=bottom><b>I2C_ERROR_NODEV</b> 0x01</td></tr>⌨️ 快捷键说明
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