serial.h

一个密码小键盘的封装的动态库

// Serial.h: interface for the CSerial class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SERIAL_H__D540DE7D_5074_4A3B_A047_1C753E1C8C98__INCLUDED_)
#define AFX_SERIAL_H__D540DE7D_5074_4A3B_A047_1C753E1C8C98__INCLUDED_

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

#ifndef	MAX_DEVICE_NAME_LENGTH
	#define  MAX_DEVICE_NAME_LENGTH	128
#endif

typedef struct tagComDevInfo
{
	int nPort;
	char cMediaName[MAX_DEVICE_NAME_LENGTH];
} COMDEVINFO;

int RasEnumComDevices( COMDEVINFO *pComDevInfo,int *pnMaxSize,int *pnItem );

class CSerial  
{
public:
	HANDLE GetHandle();
	int GetStatus();
	int Write( const char *pData,int nLength = 0 );
	int Read( char *pData,int nMaxCount );
	BOOL IsOpened();
	CSerial();
	virtual ~CSerial();

public:
	virtual BOOL Flush();
	virtual BOOL Open( int nPort = 0, unsigned long nBaud = 0L );
	virtual BOOL Close();

protected:
	unsigned long m_nBaud;
	int m_nPort;
	HANDLE m_hComDev;
	BOOL m_bOpened;
};

#endif // !defined(AFX_SERIAL_H__D540DE7D_5074_4A3B_A047_1C753E1C8C98__INCLUDED_)