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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: spieeprom.h Source File</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>spieeprom.h</h1><a href="spieeprom_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="comment">/*! \file spieeprom.h \brief Interface for standard SPI EEPROM memories. */</span>00002 <span class="comment">//*****************************************************************************</span>00003 <span class="comment">//</span>00004 <span class="comment">// File Name : 'spieeprom.h'</span>00005 <span class="comment">// Title : Interface for standard SPI EEPROM memories</span>00006 <span class="comment">// Author : Pascal Stang - Copyright (C) 2004</span>00007 <span class="comment">// Created : 2004.10.07</span>00008 <span class="comment">// Revised : 2004.10.07</span>00009 <span class="comment">// Version : 0.1</span>00010 <span class="comment">// Target MCU : Atmel AVR series</span>00011 <span class="comment">// Editor Tabs : 4</span>00012 <span class="comment">//</span>00013 <span class="comment">// This code is distributed under the GNU Public License</span>00014 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span>00015 <span class="comment">//</span>00016 <span class="comment">//*****************************************************************************</span>00017 00018 <span class="preprocessor">#ifndef SPIEEPROM_H</span>00019 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_H</span>00020 <span class="preprocessor"></span>00021 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span>00022 00023 <span class="comment">// defines and constants</span>00024 <span class="comment">// commands</span>00025 <span class="preprocessor">#define SPIEEPROM_CMD_READ 0x03 //< Read byte(s)</span>00026 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_CMD_WRITE 0x02 //< Write byte(s)</span>00027 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_CMD_WREN 0x06 //< Write Enable</span>00028 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_CMD_WRDI 0x04 //< Write Disable</span>00029 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_CMD_RDSR 0x05 //< Read Status Register</span>00030 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_CMD_WRSR 0x01 //< Write Status Register</span>00031 <span class="preprocessor"></span>00032 <span class="comment">// status register bit defines</span>00033 <span class="preprocessor">#define SPIEEPROM_STATUS_WIP 0x01 //< Write in progress</span>00034 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_STATUS_WEL 0x01 //< Write enable</span>00035 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_STATUS_BP0 0x01 //< Block Proection 0</span>00036 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_STATUS_BP1 0x01 //< Block Proection 1</span>00037 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_STATUS_WPEN 0x01 //< Write Protect Enable</span>00038 <span class="preprocessor"></span>00039 <span class="comment">// functions</span>00040 <span class="comment"></span>00041 <span class="comment">//! Initialize SPI EEPROM interface</span>00042 <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="spieeprom_8c.html#a0">spieepromInit</a>(<span class="keywordtype">void</span>);00043 <span class="comment"></span>00044 <span class="comment">//! In the SPI EEPROM read a byte from memory location [memAddr]</span>00045 <span class="comment"></span>u08 <a class="code" href="spieeprom_8h.html#a12">spieepromReadByte</a>(u32 memAddr);00046 <span class="comment"></span>00047 <span class="comment">//! In the SPI EEPROM write a byte [data] to the memory location [memAddr]</span>00048 <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="spieeprom_8h.html#a13">spieepromWriteByte</a>(u32 memAddr, u08 data);00049 00050 <span class="keywordtype">void</span> spieepromWriteEnable(<span class="keywordtype">void</span>);00051 <span class="keywordtype">void</span> spieepromWriteDisable(<span class="keywordtype">void</span>);00052 u08 spieepromReadStatus(<span class="keywordtype">void</span>);00053 00054 <span class="preprocessor">#endif</span></pre></div><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>?? 快捷鍵說明
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