fat16.h

用89C51SND1C实现MP3播放器的源代码.用KEIL c51编写.

//Fat16



#define Root_Cluster	(0)
#define Begin_Cluster	(0)				//MBR所在的簇号
#define Data_Cluster	(1)				//数据真正开始的扇区

#define BPB_Sector	(0)
#define Fat_Sector	(BPB_Sector+1)
#define Directory_Sector	(Fat_Sector+4)
#define End_Cluster		(Disk_Size/32)

#define UNUSED_MARK		(0xFF)
#define BAD_MARK		(0x00)
#define LAST_BLOCK		(0xFFFF)
#define FILE_NO_FOUND	(512)
//#define BLOCK_SIZE		(32*512)



#define PagePerClus	32




#define FAT12 (12)
#define FAT16 (16)
#define FAT32 (32)




/********************************************************************/
/*如果Flash的MBR和Fat16结构受损,则调用此函数可以恢*/	
/*复																*/
/********************************************************************/
void Format_Fat16Media(void);
void WriteMBR2Flash(void);
void CreatFAT16(void);
void CreatDirectoryEntry(void);

int ReadSector(unsigned char *Name,unsigned char *databuff);
//void Flash_Tools(unsigned int sector,unsigned int cluster);
unsigned char GetMP3List(void);
void Init_FAT_Info(void);
unsigned int NextCluster(unsigned int CurrentCluster);