disk.h

ucos ii 下的一个51系列的C语言的读写硬盘的BIOS程序

/***********************************************
module: disk.h
notice: copyright(c)2002
********************************************* 
#ifndef DISK_H
#define DISK_H

/*ATA command define:(not include MMC2): */
#define CMD_CFA_ERASE_SECTORS            0xC0
#define CMD_CFA_REQUEST_EXT_ERR_CODE     0x03
#define CMD_CFA_TRANSLATE_SECTOR         0x87
#define CMD_CFA_WRITE_MULTIPLE_WO_ERASE  0xCD
#define CMD_CFA_WRITE_SECTORS_WO_ERASE   0x38
#define CMD_CHECK_POWER_MODE1            0xE5
#define CMD_CHECK_POWER_MODE2            0x98
#define CMD_DEVICE_RESET                 0x08
#define CMD_EXECUTE_DEVICE_DIAGNOSTIC    0x90
#define CMD_FLUSH_CACHE                  0xE7
#define CMD_FORMAT_TRACK                 0x50
#define CMD_IDENTIFY_DEVICE              0xEC
#define CMD_IDENTIFY_DEVICE_PACKET       0xA1
#define CMD_IDENTIFY_PACKET_DEVICE       0xA1
#define CMD_IDLE1                        0xE3
#define CMD_IDLE2                        0x97
#define CMD_IDLE_IMMEDIATE1              0xE1
#define CMD_IDLE_IMMEDIATE2              0x95
#define CMD_INITIALIZE_DRIVE_PARAMETERS  0x91
#define CMD_INITIALIZE_DEVICE_PARAMETERS 0x91
#define CMD_NOP                          0x00
#define CMD_PACKET                       0xA0
#define CMD_READ_BUFFER                  0xE4
#define CMD_READ_DMA                     0xC8
#define CMD_READ_DMA_QUEUED              0xC7
#define CMD_READ_MULTIPLE                0xC4
#define CMD_READ_SECTORS                 0x20
#define CMD_READ_VERIFY_SECTORS          0x40
#define CMD_RECALIBRATE                  0x10
#define CMD_SEEK                         0x70
#define CMD_SET_FEATURES                 0xEF
#define CMD_SET_MULTIPLE_MODE            0xC6
#define CMD_SLEEP1                       0xE6
#define CMD_SLEEP2                       0x99
#define CMD_STANDBY1                     0xE2
#define CMD_STANDBY2                     0x96
#define CMD_STANDBY_IMMEDIATE1           0xE0
#define CMD_STANDBY_IMMEDIATE2           0x94
#define CMD_WRITE_BUFFER                 0xE8
#define CMD_WRITE_DMA                    0xCA
#define CMD_WRITE_DMA_QUEUED             0xCC
#define CMD_WRITE_MULTIPLE               0xC5
#define CMD_WRITE_SECTORS                0x30
#define CMD_WRITE_VERIFY                 0x3C

/*hard disk regs group addr:(in device): */
#define  Adr_DA      0x10  
#define  Adr_ER      0x11           
#define  Adr_FR      0x11

#define  Adr_SC      0x12
#define  Adr_SN      0x13
#define  Adr_CL      0x14
#define  Adr_CH      0x15
#define  Adr_DH      0x16
#define  Adr_ST      0x17
#define  Adr_CM      0x17
#define  Adr_AS      0x0e
#define  Adr_DC      0x0e
#define  Adr_DMA     0x18


#endif