file_sys.h

来自「AT89C51SND1C是AT89C51核心的处理器」· C头文件 代码 · 共 33 行

/*  Copyright (C) 1996-2005 Brilliant Ideal Electronics. All rights reserved.
	MP3_Player+USB_Disk V3.0 Edit by JMBIE STUDIO 2005.03
*/


#define Root_Cluster	 (0)
#define Begin_Cluster	 (0)
#define Data_Cluster	 (1)

#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 PagePerClus	     (32)

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


extern unsigned char Page_Buf[512];
extern long int DataRead;

void Init_FAT_Info(void);
unsigned char GetMP3List(void);
int ReadSector(unsigned char *Name, unsigned char *databuff);
int ReadOneSector(unsigned char *Name, unsigned long SetCluster,unsigned char *databuff);