fatdef.h

一个小型的FAT文件系统,支持FAT12/16和目录

#ifndef _FATDEF_H
#define	_FATDEF_H

#include	"type.h"
#include	"fat.h"

/********************************************************************************
	USER CONFIGURATION
 ********************************************************************************/

#define	DEFAULT_YEAR		2002
#define	DEFAULT_MONTH		1
#define	DEFAULT_DAY			1
#define	DEFAULT_HOUR		0
#define	DEFAULT_MINUTE		0
#define	DEFAULT_SECOND		0

#define	CACHE_NUM		10




/* need re-compile */
#define	OS_SUPPORT		0

/********************************************************************************
	TYPE DEFINE
 ********************************************************************************/

typedef struct driver_api {
	int		(*init)(void);
	int		(*read)(ULONG, USHORT, UCHAR*);
	int		(*write)(ULONG, USHORT, UCHAR*);
}DRIVER_API;

typedef struct cache_res {
	UCHAR	use_flag	:1;
	UCHAR	write_flag	:1;
	UCHAR	drive;
	ULONG	sector;
	UCHAR	buffer[SECTOR_SIZE];
	char	next;
}CACHE_RES;

typedef struct fat_cfg {
	USHORT	year;
	UCHAR	month;
	UCHAR	day;
	UCHAR	hour;
	UCHAR	minute;
	UCHAR	second;
	UCHAR	cacheNum;
}FAT_CFG;

extern const DRIVER_API	driverAPI[];
extern CACHE_RES	cacheRes[];
extern const FAT_CFG	fatConfig;


#endif	/* _FATDEF_H */