deriveusb.h

能够读写USB设备,读的时候调用函数DeviceWrite(),写USB设备时候调用DeviceRead()

#pragma once

#include "afxwin.h"
#include "afxmt.h"

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

//#define MAX_PACKET_SIZE_READ		64
#define MAX_PACKET_SIZE_READ		(64 *1024 )
//#define MAX_PACKET_SIZE_WRITE		64
#define MAX_PACKET_SIZE_WRITE		512

//#define MAX_WRITE_PKTS		0x08
#define MAX_WRITE_PKTS		0x01

#define FT_READ_MSG			0x00
#define FT_WRITE_MSG		0x01
#define FT_READ_ACK			0x02

#define FT_MSG_SIZE			0x03



//定义USB对下位机发送BUF[1]内容
#define FT_COMMAND_TYPE     0x00				// 格式为“命令”
#define	FT_DATA_TYPE		0x01				// 格式为“数据”
//定义USB对下位机发送BUF[2]内容
#define	FT_LED_COMMAND		0x01				// 命令：开关LED
#define FT_SPI_COMMAND		0x02				// 命令：打开SPI总线读CC2420寄存器

#define WM_THREADENDED      WM_USER + 100

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

class CDeriveUSB
{
public:
	CDeriveUSB(void);
	~CDeriveUSB(void);
	BOOL OnInit();
	void UpdateDeviceList() ;
    void FillDeviceList();
	BOOL DeviceRead(BYTE* buffer, DWORD dwSize, DWORD* lpdwBytesRead, DWORD dwTimeout);
	BOOL DeviceWrite(BYTE* buffer, DWORD dwSize, DWORD* lpdwBytesWritten, DWORD dwTimeout);

private:
	BOOL WriteFileData();
	BOOL ReadFileData();
	BOOL ReadUSBData(void);			//  读USB数据


private:
	HANDLE m_hUSBDevice;
	HANDLE m_hUSBWrite;
	HANDLE m_hUSBRead;

public:
	CEdit edit1;
	CString sData;
	BOOL bRun;

public:
	unsigned int iPre;
public:
	CButton bnRun;
public:
	unsigned char ucLength;					// 信息有效长度
	unsigned char DataBuffer[43];//= { 0xfe,0x01,0x11,0x22,0x33,0x44,0x41,0x40,0x2c,0x2d };			// 用来存储发送到下位机命令信息
};