read_u.h

c8051f020+CH375读写U盘文件的程序

typedef union {
			   unsigned long value;
			   unsigned char num[4];
              }UINT32;

typedef struct{
			   unsigned char name[17];
			   char ext[4];
			   UINT32 St_Clust;
			   UINT32 Big;
			   unsigned long Sector;
			   unsigned long Ofst;
              }FAT;

typedef struct{
			   unsigned long Last_Sect;
			   unsigned long Currt_Sect;
			   unsigned long Next_Sect;
              }RD_REC;

typedef struct{
			    unsigned char Buf[0x80];
				unsigned char FDTNum;
              }BufFDT;

typedef struct  
              {
 	           unsigned long CurrtClust;
		       UINT32 NextClust;
              }FATClustCh;

#ifdef USB_EXT
  FAT  Fat[20];
  RD_REC Rd_Rec;
  BufFDT FDTBuf;
  FATClustCh ClusterA,ClusterB;
  unsigned long ClustChain[10];
  unsigned long CurrtClust;
  unsigned long CurrtChainNum;
  unsigned char Currt_File;
  unsigned char File_Over;
  unsigned char xdata Data_Buf[512];
  unsigned char xdata FATBufA[512];
  unsigned char xdata FATBufB[512];
#else
  extern FAT Fat[20];
  extern RD_REC Rd_Rec;
  extern BufFDT FDTBuf;
  extern FATClustCh ClusterA,ClusterB;
  extern unsigned long ClustChain[10];
  extern unsigned long CurrtChainNum;
  extern unsigned long CurrtCluster;
  extern unsigned char File_Over;
  extern unsigned char Currt_File;
  extern Data_Buf[512];
  extern unsigned char xdata FATBufA[512];
  extern unsigned char xdata FATBufB[512];
#endif


#define UP     0x4f
#define DOWN   0x2f
#define OK     0x8f
#define CANCEL 0x1f


/*操作命令*/
#define RESET_ALL    0x05
#define CHECK_EXIST  0x06
#define SET_USB_MODE 0x15
#define GET_STATUS   0x22
#define SET_BAUDRATE 0x02
#define RD_USB_DATA  0x28
#define WR_USB_DATA7 0x2b
#define ABORT_NAK    0x17
#define DISK_INIT    0x51
#define DISK_SIZE    0x52
#define DISK_READ    0x54
#define DISK_RD_GO   0x55
#define DISK_WRITE   0x56
#define DISK_WR_GO   0x57
/*Following are only for CH375A*/
#define GET_IC_VER   0x01
#define ENTER_SLEEP  0x03
#define SET_DISK_LUN 0x0b
#define DISK_INQUIRY 0x58
#define DISK_READY   0x59
#define DISK_R_SENSE 0x5a
#define DISK_MAX_LUN 0x5d
/*操作状态*/
#define CMD_RET_SUCCESS 0x51
#define CMD_RET_ABORT   0x5f
/*Interrupt Status*/
#define USB_INT_SUCCESS    0x14
#define USB_INT_CONNECT    0x15
#define USB_INT_DISCONNECT 0x16
#define USB_INT_BUF_OVER   0x17
#define USB_INT_DISK_READ  0x1d
#define USB_INT_DISK_WRITE 0x1e
#define USB_INT_DISK_ERR   0x1f


unsigned char Wait_Infrared();
unsigned char SelectDisk();
void Mcu_Init();
void Delay();
void Oscillator_Init();
void PrintfFat(unsigned char x,unsigned char y,char file_num);
void WrFDT_b(unsigned long FirstClust);
unsigned long WrFAT_b(unsigned char file_num);



unsigned char ReadAA(unsigned char file_num);
unsigned char WriteAB(unsigned long FirstClust,unsigned char file_num);
unsigned char Rd_FAT_a(unsigned long LBA);
unsigned char Rd_Sector_a(unsigned long LBA);
void Wr_Sector_a(unsigned long LBA);
void CH375HM_INDEX_WR_a(index);
void CH375HM_DATA_WR_a(Data);
unsigned char CH375HM_DATA_RD_a(void);
unsigned char Set_Mode_a(unsigned char mode);	
unsigned char Init_Disk_a();
unsigned char Wait_Int_a();
unsigned char Get_Base_a();
void Show_Disk_a();
void Get_Lfat_a(); 
unsigned char Dis_Fat_In_Clust_a(unsigned long Menu_Clust);
unsigned char Key_Opare_a();
void Opr_Menu_a(unsigned char file_num);
void RdFDT_a(unsigned char file_num);



unsigned char Rd_Sector_b(unsigned long LBA);
unsigned char Rd_FAT_b(unsigned long LBA);
void Wr_Sector_b(unsigned long LBA);
void CH375HM_INDEX_WR_b(index_b);
void CH375HM_DATA_WR_b(Data);
unsigned char CH375HM_DATA_RD_b(void);
unsigned char Set_Mode_b(unsigned char mode);	
unsigned char Init_Disk_b();
unsigned char Wait_Int_b();
unsigned char Get_Base_b();
void Show_Disk_b();
void Get_Lfat_b(); 
unsigned char Dis_Fat_In_Clust_b(unsigned long Menu_Clust);
unsigned char Key_Opare_b();
void Opr_Menu_b(unsigned char file_num);

void RdFDT_b(unsigned char file_num);
void WrFDT_a(unsigned long FirstClust);
unsigned long WrFAT_a(unsigned char file_num);
unsigned char ReadBB(unsigned char file_num);
unsigned char WriteBA(unsigned long FirstClust,unsigned char file_num);