serialport.h

一部容易理解的书

// SerialPort.h: interface for the CSerialPort class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SERIALPORT_H__0DEB07AE_8A25_47B3_B9E2_F3099622BA6E__INCLUDED_)
#define AFX_SERIALPORT_H__0DEB07AE_8A25_47B3_B9E2_F3099622BA6E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
class CSerialPort  
{
public:
	BOOL RestartMonitoring();
	BOOL StopMonitoring();
	void WriteData(char *string,UINT length);
	HANDLE m_hWriteEvent;
	char   *m_szWriteBuffer;
	HANDLE m_hCom;
	OVERLAPPED m_ov;
	DWORD      m_nSendDataLen;
	HANDLE m_hEventArray[3];
	BOOL StartMonitoring();
	BOOL InitPort(UINT portNum = 7, UINT baud = 9600, char parity = 'N'
		          ,UINT dataBits = 8, UINT stopsBits = 1
				  ,DWORD dwCommEvents = EV_RXCHAR | EV_CTS | EV_DSR, UINT nBufferSize = 512);
	void ProcessErrorMessage(char* ErrorText);
	CSerialPort();
	virtual ~CSerialPort();
private:
	HANDLE m_hShutdownEvent;
	HANDLE m_handle;
	
	COMMTIMEOUTS m_Timeouts;
	DCB m_dcb;
	UINT				m_nPortNr;
	UINT				m_nBaud;
	char				m_nParity;
	UINT				m_nDatabits;
    UINT				m_nStopbits;
	DWORD				m_dwCommEvents;
	DWORD				m_nWriteBufferSize;
	
	
};

#endif // !defined(AFX_SERIALPORT_H__0DEB07AE_8A25_47B3_B9E2_F3099622BA6E__INCLUDED_)