deviceop.h

D12和单片机通讯的电脑部分通讯程序.用于测试是否连接通畅.

//you can add request that yourself defined,this request will
//send to driver by DeviceIoControl,and device will see a
//vendor defined request.

#ifndef _DEVICEOP_H_
#define _DEVICEOP_H_


//device control will implement use vendor request
typedef struct _DEVICE_CONTROL {
//	IN		UCHAR   bRequestType	//setup: bRequestType,it can not set by user soft.

    IN      USHORT  wValue;			//setup: wValue, 
									//when ram read or write,used for RAM length will to read/write,must larg than 0
									//also used led status when send NOTIFY_APP_START request.
    IN      USHORT  wLength;		//setup: wLength,used for SetDevieSerialNumber(),NotifyAppStart(),.etc
									//contransfer which contain a data stage
    IN OUT  PUCHAR  pBuffer;		//if vendor defined control transfer contain a data stage,
									//this is a data buffer
    IN      USHORT	wIndex;			//setup: wIndex,point out start address of ram will to read/write
    IN      UCHAR	bRequest;		//setup: bRequest,device control request code
} DEVICE_CONTROL, *PDEVICE_CONTROL;

//vendor defined request:
#define RAM_COMMAND_LOOPBACK		0xA0	//for RAM_COMMAND_LOOPBACK,RAM_COMMAND_READ and RAM_COMMAND_WRITE
#define RAM_COMMAND_READ			0xA1	//must set DEVICE_CONTROL.wLength = 0
#define RAM_COMMAND_WRITE			0xA2
#define GET_FIRMWARE_VERSION		0xB0	//must set DEVICE_CONTROL.wLength = 1
#define SET_DEVICE_SERIAL_NUMBER	0xB1	//must set DEVICE_CONTROL.wLength = 4
#define NOTIFY_APP_START			0xB2	//must set DEVICE_CONTROL.wLength = 1


HANDLE open_file( char *filename);
HANDLE open_dev();
void reset_pipe(HANDLE hHandle);
//In our demo,for the second parameter of device_ctl, 
//except NOTIFY_APP_START and GET_FIRMWARE_VERSION,all other io control must set false
BOOL device_ctl(PDEVICE_CONTROL pDeviceControl,BOOL bRead);

#endif