tpbulk.h

ARM嵌入式系统软件开发实例(一) 里面含有很多UCOS教程和源码

   //*************************************************************************
   //
   //                  P H I L I P S   P R O P R I E T A R Y
   //
   //           COPYRIGHT (c)   1999 BY PHILIPS SINGAPORE.
   //                     --  ALL RIGHTS RESERVED  --
   //
   // File Name:	TPBulk.H
   // Author:		ZhenYu Zhang
   // Created:		Feb. 1, 1999
   // Modified:
   // Revision:		0.0
   //
   //*************************************************************************
   //
   //*************************************************************************



#ifndef __TPBULK_H__
#define __TPBULK_H__

#include "BasicTyp.h"

#define CSW_GOOD        0x00            //命令通过
#define CSW_FAIL        0x01            //命令失败
#define CSW_PHASE_ERROR 0x02            //命令有误


#define CBW_SIGNATURE   0x43425355		//CBW后固有的特征码
#define CSW_SIGNATURE   0x53425355		//CSW后固有的特征码
#define CBW_FLAG_IN     0x80			//后面固有的标志码
#define MAX_CDBLEN      0x10			//最长的CBWCB

typedef struct _COMMAND_BLOCK_WRAPPER{		//命令数据包(CBW)结构
    INT32   dCBW_Signature;
    INT32   dCBW_Tag;
    INT32   dCBW_DataXferLen;
    INT8    bCBW_Flag;
    INT8    bCBW_LUN;
    INT8    bCBW_CDBLen;
	INT8    OperationCode;
    CDB_RBC cdbRBC;
} CBW, *PCBW;

typedef struct _COMMAND_STATUS_WRAPPER{		//命令状态数据包结构
    INT32   dCSW_Signature;
    INT32   dCSW_Tag;
    INT32   dCSW_DataResidue;
    INT8    bCSW_Status;
} CSW, *PCSW;

typedef union _TPBULK_STRUC {
    CBW     TPBulk_CommandBlock;
    CSW     TPBulk_CommandStatus;
    INT8    TEMP[31];  
}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);

uint8 TPBulksup_IsCBWValid(void);
void TPBulksup_ErrorHandler(INT8 HostDevCase,INT16 wByteCounterDevWillXfer);

#endif