cserial.h

这是一个自动控制光开关的程序

#include "stdafx.h"


class CSerial
{
public:
	CSerial();
	virtual ~CSerial();
	BOOL Open(int nPort, int nBaud );
	int InBufferCount( void );
	DWORD ReadData( void *buffer, DWORD dwBytesRead);
	DWORD SendData( const char *buffer, DWORD dwBytesWritten);
	void Close();
	bool m_bOpened;
	void* m_hComDev;
	void* m_hIDComDev;
	OVERLAPPED m_OverlappedRead;//保存串口异步通讯的信息
	OVERLAPPED m_OverlappedWrite;

};