diskio.h

SD卡FAT文件系统

/**
 * @file $RCSfile: diskio.h,v $
 *
 * Copyright (c) 2006 XXXXX INC., All Rights Reserved
 *
 * @author	YongJian Guo <XXX@XXX>
 *
 * @version $Revision: 1.2.0.00 $
 * @date	$Date: 2006/10/13 06:46:18 $
 * @update	$Date: 2007/01/24 14:06:17 $
 * $Header: $
**/

#ifndef __DISKIO_H__

#include "sdshare.h"

/*---------------------------------------*/
/* Prototypes for disk control functions */

uint8	disk_initialize (void);
uint8	disk_shutdown (void);
uint8	disk_status (void);
uint16	disk_read (uint8*, uint32, uint8);
uint16	disk_write (const uint8*, uint32, uint8);
uint16	disk_ioctl (uint8, void*);
void	disk_timerproc (void);


/* Results of Disk Functions (DRESULT) */

#define RES_OK			EC_SUCCESS					/* Successful */
#define	RES_ERROR		EC_SD_W_R_ERRER				/* R/W Error */
#define	RES_WRPRT		EC_SD_WRITE_PROTECTED		/* Write Protected */
#define	RES_NOTRDY		EC_SD_NOT_READY				/* Not Ready */
#define	RES_PARERR		EC_SD_INVALID_PARAM			/* Invalid Parameter */


/* Disk Status Bits (DSTATUS) */

#define STA_NOINIT		0x01	/* Drive not initialized */
#define STA_NODISK		0x02	/* No medium in the drive */
#define STA_PROTECT		0x04	/* Write protected */


/* Command code for disk_ioctrl() */

#define GET_SECTORS		1
#define PUT_IDLE_STATE	2
#define MMC_GET_CSD		10
#define MMC_GET_CID		11
#define MMC_GET_OCR		12
#define ATA_GET_REV		20
#define ATA_GET_MODEL	21
#define ATA_GET_SN		22


#define __DISKIO_H__
#endif