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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: ata.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>ata.h</h1><a href="ata_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="comment">/*! \file ata.h \brief IDE-ATA hard disk interface driver. */</span>00002 <span class="comment">//*****************************************************************************</span>00003 <span class="comment">//</span>00004 <span class="comment">// File Name : 'ata.h'</span>00005 <span class="comment">// Title : IDE-ATA interface driver for hard disks</span>00006 <span class="comment">// Author : Pascal Stang</span>00007 <span class="comment">// Date : 11/22/2000</span>00008 <span class="comment">// Revised : 12/29/2000</span>00009 <span class="comment">// Version : 0.3</span>00010 <span class="comment">// Target MCU : ATmega103 (should work for Atmel AVR Series)</span>00011 <span class="comment">// Editor Tabs : 4</span>00012 <span class="comment">//</span>00013 <span class="comment">// NOTE: This code is currently below version 1.0, and therefore is considered</span>00014 <span class="comment">// to be lacking in some functionality or documentation, or may not be fully</span>00015 <span class="comment">// tested. Nonetheless, you can expect most functions to work.</span>00016 <span class="comment">//</span>00017 <span class="comment">// This code is distributed under the GNU Public License</span>00018 <span class="comment">// which can be found at http://www.gnu.org/licenses/gpl.txt</span>00019 <span class="comment">//</span>00020 <span class="comment">//*****************************************************************************</span>00021 00022 00023 <span class="preprocessor">#ifndef ATA_H</span>00024 <span class="preprocessor"></span><span class="preprocessor">#define ATA_H</span>00025 <span class="preprocessor"></span>00026 <span class="preprocessor">#include "<a class="code" href="global_8h.html">global.h</a>"</span>00027 <span class="preprocessor">#include "<a class="code" href="ataconf_8h.html">ataconf.h</a>"</span>00028 00029 <span class="comment">// constants</span>00030 <span class="preprocessor">#define DRIVE0 0</span>00031 <span class="preprocessor"></span>00032 <span class="preprocessor">#define STANDBY 0</span>00033 <span class="preprocessor"></span><span class="preprocessor">#define SLEEP 1</span>00034 <span class="preprocessor"></span><span class="preprocessor">#define IDLE 2</span>00035 <span class="preprocessor"></span>00036 <span class="comment">// ATA status register bits</span>00037 <span class="preprocessor">#define ATA_SR_BSY 0x80</span>00038 <span class="preprocessor"></span><span class="preprocessor">#define ATA_SR_DRDY 0x40</span>00039 <span class="preprocessor"></span><span class="preprocessor">#define ATA_SR_DF 0x20</span>00040 <span class="preprocessor"></span><span class="preprocessor">#define ATA_SR_DSC 0x10</span>00041 <span class="preprocessor"></span><span class="preprocessor">#define ATA_SR_DRQ 0x08</span>00042 <span class="preprocessor"></span><span class="preprocessor">#define ATA_SR_CORR 0x04</span>00043 <span class="preprocessor"></span><span class="preprocessor">#define ATA_SR_IDX 0x02</span>00044 <span class="preprocessor"></span><span class="preprocessor">#define ATA_SR_ERR 0x01</span>00045 <span class="preprocessor"></span>00046 <span class="comment">// ATA error register bits</span>00047 <span class="preprocessor">#define ATA_ER_UNC 0x40</span>00048 <span class="preprocessor"></span><span class="preprocessor">#define ATA_ER_MC 0x20</span>00049 <span class="preprocessor"></span><span class="preprocessor">#define ATA_ER_IDNF 0x10</span>00050 <span class="preprocessor"></span><span class="preprocessor">#define ATA_ER_MCR 0x08</span>00051 <span class="preprocessor"></span><span class="preprocessor">#define ATA_ER_ABRT 0x04</span>00052 <span class="preprocessor"></span><span class="preprocessor">#define ATA_ER_TK0NF 0x02</span>00053 <span class="preprocessor"></span><span class="preprocessor">#define ATA_ER_AMNF 0x01</span>00054 <span class="preprocessor"></span>00055 <span class="comment">// ATA head register bits</span>00056 <span class="preprocessor">#define ATA_HEAD_USE_LBA 0x40</span>00057 <span class="preprocessor"></span><span class="comment">/*</span>00058 <span class="comment">// ATA registers</span>00059 <span class="comment">#define ATA_REG_BASE 0x8000</span>00060 <span class="comment">#define ATA_REG_DATAL 0x00</span>00061 <span class="comment">#define ATA_REG_ERROR 0x01</span>00062 <span class="comment">#define ATA_REG_SECCOUNT 0x02</span>00063 <span class="comment">#define ATA_REG_STARTSEC 0x03</span>00064 <span class="comment">#define ATA_REG_CYLLO 0x04</span>00065 <span class="comment">#define ATA_REG_CYLHI 0x05</span>00066 <span class="comment">#define ATA_REG_HDDEVSEL 0x06</span>00067 <span class="comment">#define ATA_REG_CMDSTATUS1 0x07</span>00068 <span class="comment">#define ATA_REG_CMDSTATUS2 0x08</span>00069 <span class="comment">#define ATA_REG_ACTSTATUS 0x09</span>00070 <span class="comment"></span>00071 <span class="comment">#define ATA_REG_DATAH 0x10</span>00072 <span class="comment">*/</span>00073 <span class="comment">// ATA commands</span>00074 <span class="preprocessor">#define ATA_CMD_READ 0x20</span>00075 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_READNR 0x21</span>00076 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_WRITE 0x30</span>00077 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_WRITENR 0x31</span>00078 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_IDENTIFY 0xEC</span>00079 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_RECALIBRATE 0x10</span>00080 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_SPINDOWN 0xE0 // spin down disk immediately</span>00081 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_SPINUP 0xE1 // spin up disk immediately</span>00082 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_STANDBY_5SU 0xE2 // spin down disk and set auto-power-down timer (sectorcount*5sec)</span>00083 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_IDLE_5SU 0xE3 // keep disk spinning and set auto-power-down timer (sectorcount*5sec)</span>00084 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_SLEEP 0xE6 // sleep disk (wakeup only on HW or SW reset)</span>00085 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_STANDBY_01SU 0xF2 // spin down disk and set auto-power-down timer (sectorcount*0.1sec)</span>00086 <span class="preprocessor"></span><span class="preprocessor">#define ATA_CMD_IDLE_01SU 0xF3 // keep disk spinning and set auto-power-down timer (sectorcount*0.1sec)</span>00087 <span class="preprocessor"></span>00088 00089 <span class="comment">// ATA CHS disk parameters (examples, now we autodetect)</span>00090 <span class="preprocessor">#define ATA_DISKPARM_CLYS 0x03A6 // number of cylinders per platter</span>00091 <span class="preprocessor"></span><span class="preprocessor">#define ATA_DISKPARM_HEADS 0x10 // number of heads (usable plater sides)</span>⌨️ 快捷键说明
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