file.h

linux操作系统下的串口驱动程序 linux操作系统下的串口驱动程序

#define Disk_Size 		(16384)			//Disk的空间大小(以Sector/Page为基本单位)
#define Root_Cluster	(0)				//
#define Start_Cluster	(1)				//Cluster0被Root_Information占用
#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		(16*1024)
extern U8 root_buf[512][32];
extern U32 pre_block,current_block;

U32 seek_blank_block(U32 StartBlock);
void creat_file(U8 *file_information);
void close_file(void);
void format_disk(void);
void write_file(U8 endflag,U8 *block_buf);
U32 find_file(U8 *file_information);
U32 comp_filename(U8 *s1,U8 *s2);
void read_file(U8 *block_buf);
void file_rename(U8 *old_new_filename);
void del_file(U8 *filename);