ARM嵌入式系统软件开发实例(一)

				
				   //*************************************************************************
				   //
				   //                  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