serio.h

pc实现短信收发的源程序

///////////////////////////////////////////////////////
//	SerIO.h

#ifndef _SERIO_H_
#define _SERIO_H_

#define   DATA_MODE                 0
#define   ADDR_MODE                 1

// Ascii table
#define NUL			0x00
#define SOH			0x01
#define STX			0x02
#define ETX			0x03
#define EOT			0x04
#define ENQ			0x05
#define ACK			0x06
#define BS			0x08
#define LF			0x0a
#define CR			0x0d
#define XON			0x11
#define XOFF		0x13
#define NAK			0x15
#define ETB			0x17
#define CAN			0x18
#define SUB			0x1a
#define CTLZ		0x1a
#define ESC			0x1b
#define RS			0x1e
#define SPC			0x20
#define DEL			0x7f

#define SE_PORT_NOT_OPEN		0x2000ff00
#define SE_PORT_ALREADY_OPEN	0x2000ff01
#define SE_INVALID_PARAMETER	0x2000ff02

class CSerIO
{
protected:
	HANDLE m_hCom;						// Handle of Port
	DCB m_dcb;									// Setting for a serial communications device
	CString m_strCommParam;				// Communication parameters eg. "19200,N,8,1"

	DWORD m_dwErrCode;					// Error Code
	OVERLAPPED m_wos, m_ros;

public:

	static int   m_nRTSCtl ;
	CString      m_strPort;					// Port name ( eg. COM3 )
	CSerIO();							// Construction
	
	~CSerIO();							// Deconstruction

	virtual BOOL Open( LPCTSTR pszPort,
		LPCTSTR pszCommParam );			// Open the port
	
	virtual int SetPortMode(  int nMode = DATA_MODE, BOOL bRec = FALSE ) ;

	void SetReadTimerOver( int  nInterOver , int nMultiOver = 0 ) ;

	virtual BOOL Close();						// Close the port

	virtual BOOL PutChar( UCHAR uch );			// Put a character to port
	virtual BOOL GetChar( UCHAR& uch );			// Get a character from port

	virtual BOOL Write( PCHAR pchBuffer, DWORD dwLength, DWORD& dwWritten );	// Write block to port
	virtual BOOL Read( PCHAR pchBuffer, DWORD dwMaxLength, DWORD& dwRead );		// Read block from port

};

#endif