rbccmd.h

用SL811USB接口芯片读写U盘FAT16固化程序(C51源代码)

#define RBC_CMD_READ10					0x28
#define RBC_CMD_READCAPACITY				0x25
#define RBC_CMD_WRITE10					0x2A
// RBC commands
#define SPC_CMD_INQUIRY					0x12
#define SPC_CMD_PRVENTALLOWMEDIUMREMOVAL		0x1E
#define SPC_CMD_REQUESTSENSE				0x03
#define SPC_CMD_TESTUNITREADY				0x00
////////////////////////////////////////////////////////////////////////////////////
// Command Descriptor Block
//      _RBC : Reduced Block Command
//      _SPC : SPC-2 SCSI primary Command - 2
////////////////////////////////////////////////////////////////////////////////////
typedef struct _SYS_INFO_BLOCK{
  unsigned long StartSector;
  unsigned long TotalSector;
  
  INT16 BPB_BytesPerSec;
  INT8 BPB_SecPerClus;
  
  INT8 BPB_NumFATs;
  INT16 BPB_RootEntCnt;
  INT16 BPB_TotSec16;
  INT8 BPB_Media;
  INT16 BPB_FATSz16;
  INT16 BPB_SecPerTrk;
  INT16 BPB_NumHeads;
  unsigned long BPB_HiddSec;
  unsigned long BPB_TotSec32;
  INT8 BS_DrvNum;
  INT8 BS_BootSig;
  INT8 BS_VolID[4];
  INT8 BS_VolLab[11];
  INT8 BS_FilSysType[8];
  
  ///////////////////////////////
  unsigned long FatStartSector;
  unsigned long RootStartSector;
  unsigned long FirstDataSector;
} SYS_INFO_BLOCK;

typedef struct _FILE_INFO{
  unsigned char bFileOpen;
  unsigned int StartCluster;
  unsigned long LengthInByte;
  unsigned int ClusterPointer;
  unsigned long SectorPointer;
  unsigned int OffsetofSector;
  unsigned char SectorofCluster;
  unsigned long pointer;
  unsigned int	FatSectorPointer;
} FILE_INFO;

typedef struct _DIR_INFO{
	unsigned char name[8];
	unsigned char extension[3];
	unsigned char attribute;
	unsigned char Reserved[10];
	unsigned int lastUpdateDate;
	unsigned int lastUpdateTime;
	unsigned int startCluster;
	unsigned long length;
} DIR_INFO;