tpbulk.h

ertfs文件系统里面既有完整ucos程序

#ifndef __TPBULK_H__
#define __TPBULK_H__

#include "BasicTyp.h"

#define CSW_GOOD        0x00
#define CSW_FAIL        0x01
#define CSW_PHASE_ERROR 0x02

#ifdef  LITTLE_ENDIAN
#define CBW_SIGNATURE   0x43425355
#define CSW_SIGNATURE   0x53425355
#endif

#ifdef   BIG_ENDIAN
#define CBW_SIGNATURE   0x55534243
#define CSW_SIGNATURE   0x55534253
#endif

#define CBW_FLAG_IN     0x80

#define MAX_CDBLEN      0x10

typedef __packed struct _COMMAND_BLOCK_WRAPPER{
    INT32   dCBW_Signature;
    INT32   dCBW_Tag;
    INT32   dCBW_DataXferLen;
    INT8    bCBW_Flag;
    INT8    bCBW_LUN;
    INT8    bCBW_CDBLen;
    CDB_SCSI2 cdbSCSI2;
} CBW, *PCBW;

typedef struct _COMMAND_STATUS_WRAPPER{
    INT32   dCSW_Signature;
    INT32   dCSW_Tag;
    INT32   dCSW_DataResidue;
    INT8    bCSW_Status;
} CSW, *PCSW;

typedef union _TPBULK_STRUC {
    CBW     TPBulk_CommandBlock;
    CSW     TPBulk_CommandStatus;

}TPBLK_STRUC, * PTPBLK_STRUC;
/*
 *************************************************************************
 USB Class Request Functions
 and
 Public Functions 
 *************************************************************************
*/

/*
 Host Device Disagreement Matrix
*/
enum _HOST_DEV_DISAGREE {
CASEOK = 0,
CASE1,
CASE2,
CASE3,
CASE4,
CASE5,
CASE6,
CASE7,
CASE8,
CASE9,
CASE10,
CASE11,
CASE12,
CASE13,
CASECBW,
CASECMDFAIL
};


/*
*************************************************************************
 C[ommand]D[ata]S[tatus] architecture for mass storage device over Bulk
 only Transport
*************************************************************************
*/
void TPBulk_GetMaxLUN(void);
void TPBulk_ResetATA(void);


void TPBulk_CBWHandler( void );
void TPBulk_CSWHandler( void );

/*
*************************************************************************
 Bulk Only Transport support functions
*************************************************************************
*/
INT8 TPBulksup_ReadFrBOEP(INT8 Len);
INT8 TPBulksup_WriteToBIEP(INT8 Len);

BOOLEAN TPBulksup_IsCBWValid(void);
void TPBulksup_ErrorHandler(INT8 HostDevCase,INT16 wByteCounterDevWillXfer);

#endif