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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 1.4.2 --><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="dirs.html">Directories</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> | <a class="qindex" href="pages.html">Related Pages</a></div><h1>spieeprom.h</h1><a href="spieeprom_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment">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><span class="comment"></span>00013 <span class="comment">/// \ingroup driver_hw</span>00014 <span class="comment">/// \defgroup spieeprom Interface for standard SPI EEPROM memories (spieeprom.c)</span>00015 <span class="comment">/// \code #include "spieeprom.h" \endcode</span>00016 <span class="comment">/// \par Overview</span>00017 <span class="comment">/// This library provides functions for reading and writing standard</span>00018 <span class="comment">/// 25Cxxx/25LCxxx SPI EEPROM memories. Memory sizes up to 64Kbytes are</span>00019 <span class="comment">/// supported. Future revisions may include page-write support.</span>00020 <span class="comment">///</span>00021 <span class="comment">/// \Note Library not fully tested!</span>00022 <span class="comment"></span><span class="comment">//</span>00023 <span class="comment">// This code is distributed under the GNU Public License</span>00024 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span>00025 <span class="comment">//</span>00026 <span class="comment">//*****************************************************************************</span>00027 00028 <span class="preprocessor">#ifndef SPIEEPROM_H</span>00029 <span class="preprocessor"></span><span class="preprocessor">#define SPIEEPROM_H</span>00030 <span class="preprocessor"></span>00031 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span>00032 00033 <span class="comment">// defines and constants</span>00034 <span class="comment">// commands</span><a name="l00035"></a><a class="code" href="spieeprom_8h.html#a0">00035</a> <span class="preprocessor">#define SPIEEPROM_CMD_READ 0x03 </span><span class="comment">///< Read byte(s)</span><a name="l00036"></a><a class="code" href="spieeprom_8h.html#a1">00036</a> <span class="comment"></span>#define SPIEEPROM_CMD_WRITE 0x02 <span class="comment">///< Write byte(s)</span><a name="l00037"></a><a class="code" href="spieeprom_8h.html#a2">00037</a> <span class="comment"></span>#define SPIEEPROM_CMD_WREN 0x06 <span class="comment">///< Write Enable</span><a name="l00038"></a><a class="code" href="spieeprom_8h.html#a3">00038</a> <span class="comment"></span>#define SPIEEPROM_CMD_WRDI 0x04 <span class="comment">///< Write Disable</span><a name="l00039"></a><a class="code" href="spieeprom_8h.html#a4">00039</a> <span class="comment"></span>#define SPIEEPROM_CMD_RDSR 0x05 <span class="comment">///< Read Status Register</span><a name="l00040"></a><a class="code" href="spieeprom_8h.html#a5">00040</a> <span class="comment"></span>#define SPIEEPROM_CMD_WRSR 0x01 <span class="comment">///< Write Status Register</span>00041 <span class="comment"></span>00042 <span class="comment">// status register bit defines</span><a name="l00043"></a><a class="code" href="spieeprom_8h.html#a6">00043</a> <span class="preprocessor">#define SPIEEPROM_STATUS_WIP 0x01 </span><span class="comment">///< Write in progress</span><a name="l00044"></a><a class="code" href="spieeprom_8h.html#a7">00044</a> <span class="comment"></span>#define SPIEEPROM_STATUS_WEL 0x01 <span class="comment">///< Write enable</span><a name="l00045"></a><a class="code" href="spieeprom_8h.html#a8">00045</a> <span class="comment"></span>#define SPIEEPROM_STATUS_BP0 0x01 <span class="comment">///< Block Proection 0</span><a name="l00046"></a><a class="code" href="spieeprom_8h.html#a9">00046</a> <span class="comment"></span>#define SPIEEPROM_STATUS_BP1 0x01 <span class="comment">///< Block Proection 1</span><a name="l00047"></a><a class="code" href="spieeprom_8h.html#a10">00047</a> <span class="comment"></span>#define SPIEEPROM_STATUS_WPEN 0x01 <span class="comment">///< Write Protect Enable</span>00048 <span class="comment"></span>00049 <span class="comment">// functions</span>00050 <span class="comment"></span>00051 <span class="comment">//! Initialize SPI EEPROM interface</span>00052 <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="spieeprom_8c.html#a0">spieepromInit</a>(<span class="keywordtype">void</span>);00053 <span class="comment"></span>00054 <span class="comment">//! In the SPI EEPROM read a byte from memory location [memAddr]</span>00055 <span class="comment"></span>u08 <a class="code" href="spieeprom_8c.html#a1">spieepromReadByte</a>(u32 memAddr);00056 <span class="comment"></span>00057 <span class="comment">//! In the SPI EEPROM write a byte [data] to the memory location [memAddr]</span>00058 <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="spieeprom_8c.html#a2">spieepromWriteByte</a>(u32 memAddr, u08 data);00059 00060 <span class="keywordtype">void</span> spieepromWriteEnable(<span class="keywordtype">void</span>);00061 <span class="keywordtype">void</span> spieepromWriteDisable(<span class="keywordtype">void</span>);00062 u08 spieepromReadStatus(<span class="keywordtype">void</span>);00063 00064 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Oct 29 03:41:07 2006 for Procyon AVRlib by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address></body></html>⌨️ 快捷键说明
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