serial.h

计算机串口编程类源代码类

// Serial.h

#ifndef __SERIAL_H__
#define __SERIAL_H__

#define FC_DTRDSR       0x01
#define FC_RTSCTS       0x02
#define FC_XONXOFF      0x04
#define ASCII_BEL       0x07
#define ASCII_BS        0x08
#define ASCII_LF        0x0A
#define ASCII_CR        0x0D
#define ASCII_XON       0x11
#define ASCII_XOFF      0x13

class CSerial
{

public:
	CSerial();
	~CSerial();

	BOOL Open(int nPort,int nBaud,UINT InBufSize=1024,UINT OutBufSize=1024);
	BOOL Close( void );

	BOOL ClearInputBuffer();
	BOOL ClearOutPutBuffer();

	int ReadDataWaiting( void );
	int ReadData( void *, int );
	int SendData( const char *, int );
	BOOL WriteCommByte( unsigned char );
	BOOL WriteCommBlock(void* buffer,DWORD dwBytesToWrite);

	BOOL IsOpened( void ){ return( m_bOpened ); }

protected:
	HANDLE m_hIDComDev;
	OVERLAPPED m_OverlappedRead, m_OverlappedWrite;
	BOOL m_bOpened;

};

#endif