common.h

前一段参考本程序为AT91RM9200开发板添加了一个USB MSD Bulk-Only下载接口

/*
   //*************************************************************************
   //
   //                  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:        Common.H
   // Author:           ZhenYu Zhang	
   // Created:          Feb. 1, 1999
   // Modified:
   // Revision: 		0.0
   //
   //*************************************************************************
   //
   //*************************************************************************
   */
#ifndef __COMMON_H__
#define __COMMON_H__

#include "BasicTyp.h"
/*
   //*************************************************************************
   // macros
   //*************************************************************************
*/
/*
   //*************************************************************************
   // macros
   //*************************************************************************
*/
#define SWAP(x)   ((((x) & 0xFF) << 8) | (((x) >> 8) & 0xFF))

#define MSB(x)    (((x) >> 8) & 0xFF)
#define LSB(x)    ((x) & 0xFF)

#define FALSE   0
#define TRUE    1


#define LOBYTE(x)  (INT8)((x) >> 8)	//C51 byte ording uses Big Endian(Motorola)
#define HIBYTE(x)  (INT8)((x) & 0x00ff) //High byte is stored first



#define NULL_LENGTH 0xff



/*
// MAX_CONTROLDATA_SIZE is between ADSC command and 50ms*384Bytes/ms=18KBytes
// MaxSize for RBC command is 16 Bytes
*/
typedef union _bit_flags
{
	struct _flags
	{
		INT8 timer               	: 1;    //MCUBF_Timer
		INT8 setup_overwritten  	: 1;    //D12BF_SetupOverwritten
		INT8 configuration			: 1;    //D12BF_Configuration    
        INT8 DCPRequst_Dir          : 1;    //REQBF_DCPRequest_dir ==1 Read(from Dev to Host)
        INT8 DCPRequst_EPDir        : 1;    //REQBF_DCPRequest_EPdir ==1 for In Endpoint
        INT8 Stall_DCPRequest       : 1;    //REQBF_StallDCPRequest
        INT8 BO_Stalled             : 1;    //BOTBF_StallSrcAtBulkOut
        INT8 BI_Stalled             : 1;    //BOTBF_StallSrcAtBulkIn

        INT8 Abort_BOT              : 1;    //Abort BOT Xfer
        INT8 ATABF_IsAttached       : 1;	//HardDisk is Attached
        INT8 ATABF_IsSupportMultiSector: 1; //MultiBlock support  
        INT8 ATABF_IDEXfer_dir      : 1;     // ATABF_Xfer_dir==1 Read(from Dev to Host)
        INT8 ATABF_IsSkipSetParameters: 1;   
        INT8 Reserved               : 3;  
	
    } bits;

    INT16 value;
} BITFLAGS;

typedef struct _device_request
{
	INT8 bmRequestType;
	INT8 bRequest;
	INT16 wValue;
	INT16 wIndex;
	INT16 wLength;
} DEVICE_REQUEST;


#define MAX_CONTROLDATA_SIZE	8

typedef struct _control_xfer
{
	INT16 wLength;
	INT16 wCount;
	INT8 * pData;
	INT8 dataBuffer[MAX_CONTROLDATA_SIZE];
} CONTROL_XFER, * PCONTROL_XFER;


/*
//*************************************************************************
// basic FSM state
//*************************************************************************
*/
/*
// FSM for Device
*/
#define USBFSM4DEV_ATTACHED             0
#define USBFSM4DEV_POWRED               1
#define USBFSM4DEV_DEFAULT              2
#define USBFSM4DEV_ADDRESS              3
#define USBFSM4DEV_CONFIGURED           4
#define USBFSM4DEV_SUSPENDED            5
#define USBFSM4DEV_RESET                USBFSM_DEFAULT


// FSM for Default Control Pipe
// One-Hot dinfition4DCPFSM
#define USBFSM4DCP_IDLE             0x00
#define USBFSM4DCP_SETUPPROC        0x01
#define USBFSM4DCP_DATAIN           0x02
#define USBFSM4DCP_DATAOUT          0x04
#define USBFSM4DCP_HANDSHAKE4CO     0x08
#define USBFSM4DCP_HANDSHAKE4CI     0x10
#define USBFSM4DCP_STALL            0x80

// FSM for Bulk-Only Transfer
// One-Hot dinfition4BOTFSM
#define USBFSM4BOT_STALL            0x80
#define USBFSM4BOT_IDLE             0x01
#define USBFSM4BOT_CBWPROC          0x02
#define USBFSM4BOT_DATAIN           0x04
#define USBFSM4BOT_DATAOUT          0x08
#define USBFSM4BOT_CSWPROC          0x10
#define USBFSM4BOT_CSW              0x20

// One-Hot dinfition4XferSpace
#define DCPXFERSPACE_MASK           0xF0
#define DCPXFERSPACE_UNKNOWN        0x00
#define DCPXFERSPACE_MCUCODE        0x01
#define DCPXFERSPACE_MCURAM         0x02
#define DCPXFERSPACE_EEROM          0x04
#define DCPXFERSPACE_ATAPORT        0x08

#define BOTXFERSPACE_MASK           0x0F
#define BOTXFERSPACE_UNKNOWN        0x00
#define BOTXFERSPACE_MCURAM         0x10
#define BOTXFERSPACE_ATAPORT        0x20
#define BOTXFERSPACE_MCUCODE        0x40

#define STALLSRC_BULKIN             0x1
#define STALLSRC_BULKOUT            0x2

#endif