diskio.h

SdCard_V2.1TinyFatFs.rar是单片机实现SD卡功能的FAT文件系统

/*-----------------------------------------------------------------------
/  Low level disk interface modlue include file  R0.02    (C)ChaN, 2006
/-----------------------------------------------------------------------*/

#ifndef _DISKIF

#define _READONLY	/* Define this for read-only use */

#include "integer.h"

typedef unsigned char	DSTATUS;

/* Results of Disk Functions */
typedef enum {
	RES_OK = 0,		/* 0: Successful */
	RES_ERROR,		/* 1: R/W Error */
	RES_WRPRT,		/* 2: Write Protected */
	RES_NOTRDY,		/* 3: Not Ready */
	RES_PARERR		/* 4: Invalid Parameter */
} DRESULT;


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

DSTATUS disk_initialize ();
DSTATUS disk_shutdown ();
DSTATUS disk_status ();
DRESULT disk_read (BYTE*, DWORD, BYTE);
#ifndef	_READONLY
DRESULT disk_write (const BYTE*, DWORD, BYTE);
#endif
DRESULT disk_ioctl (BYTE, void*);
void	disk_timerproc ();


/* Results of Disk Functions (DRESULT) */

#define RES_OK			0		/* Successful */
#define	RES_ERROR		1		/* R/W Error */
#define	RES_WRPRT		2		/* Write Protected */
#define	RES_NOTRDY		3		/* Not Ready */
#define	RES_PARERR		4		/* 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 */



#define _DISKIF
#endif