file_drv.h

来自「mp4的源码,主要包括loader,usb driver,mp3 decoder」· C头文件 代码 · 共 40 行

typedef struct _DIRECTORY_INFO{
	DWORD StartCluster;
	DWORD FirstFreeCluster;
} DIRECTORY_INFO, * PDIRECTORY_INFO;


typedef struct _DIR_INFO{
	BYTE  Name[8];
	BYTE  Extension[3];
	BYTE  Attribute;
	BYTE  Reserved;
	BYTE  Dir_CrtTimeTenth;
	WORD  CreateTime;
	WORD  CreateDate;
	WORD  LastAccessDate;
	WORD  FirstClusHi;		//
	WORD  LastWrtTime;
	WORD  LastWrtDate;
	WORD  FirstClusLow;		//
	DWORD Length;
} DIR_INFO,*PDIR_INFO;

typedef struct _FILE_INFO{
	DWORD StartCluster;
	DWORD LengthInByte;
	DWORD ClusterPointer;
	DWORD SectorPointer;
	WORD  OffsetofSector;
	BYTE  SectorofCluster;
	DWORD Pointer;
	bit	  EndOfFile;
} FILE_INFO, * PFILE_INFO;

void Init_Dir()
bit Get_Mp3_Sum(void)
bit	Seek_Mp3_File(WORD )
void Open_Mp3_File(void);
bit Read_File(WORD,BYTE);