flash.h

可移到ucos上的文件系统

/* flash.h:
   Device-independent macros and data structures used by flash driver.
*/

#define FLASH_PROTECT_WINDOW_CLOSED	0
#define ALL_SECTORS -1

#define FLASH_LOCK			1
#define FLASH_UNLOCK		2
#define FLASH_LOCKDWN		3

/* Device ID used for ram that is "pretending" to be a flash bank. */
#define FLASHRAM	0x9999

struct	flashdesc {
	unsigned long	id;				/* manufacturer & device id */
	char		*desc;				/* ascii string */
};

struct	sectorinfo {
	long	size;					/* size of sector */
	int		snum;					/* number of sector (amongst possibly */
									/* several devices) */
	int		protected;				/* if set, sector is protected by window */
	unsigned char	*begin;			/* base address of sector */
	unsigned char	*end;			/* end address of sector */
};

struct	flashinfo {
	unsigned long	id;				/* manufacturer & device id */
	unsigned char	*base;			/* base address of device */
	unsigned char	*end;			/* end address of device */
	int		sectorcnt;				/* number of sectors */
	int		width;					/* 1, 2, or 4 */
	int	 	(*fltype)();
	int	 	(*flerase)();
	int	 	(*flwrite)();
	int	 	(*flewrite)();
#if FLASH_LOCK_SUPPORTED
	int	 	(*fllock)();
#endif
	struct sectorinfo *sectors;
};

extern int 		FlashProtectWindow;
extern int 		FlashCurrentBank;
extern struct	flashinfo FlashBank[FLASHBANKS];
extern int 		flashopload();

extern int showflashtype(unsigned long);
extern int showflashinfo(struct flashinfo *);
extern int flashopload(unsigned long *,unsigned long *,unsigned long *,int);
extern int flashtype(struct flashinfo *);
extern int flasherase(struct flashinfo *,int);
extern int flashwrite(struct flashinfo *,unsigned char *,unsigned char *,long);
extern int flashewrite(struct flashinfo *,unsigned char *,unsigned char *,long);
extern int addrtosector(unsigned char *,int *,int *,unsigned char **);
extern struct flashinfo *addrtobank(unsigned char *);
extern int sectortoaddr(int,int *,unsigned char **);
extern int flashbankinfo(int,unsigned char **,unsigned char **,int *);
extern void LowerFlashProtectWindow(void);
extern int AppFlashWrite(unsigned long *,unsigned long *,long);
extern int AppFlashEraseAll(void);
extern int AppFlashErase(int);
extern int srange(char *,int *,int *);
extern int sectorProtect(char *,int);
extern int NotUsed();
extern int lastlargesector(int,int *,int *,unsigned char **);
extern int FlashRamInit(int, int, struct flashinfo *,struct sectorinfo *,int *);