tty.h

《面向对象程序设计实用教程》一书的源码

// TTY.h: interface for the CTTY class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_TTY_H__07B39577_ABAC_11D2_9504_F8BC04C10000__INCLUDED_)
#define AFX_TTY_H__07B39577_ABAC_11D2_9504_F8BC04C10000__INCLUDED_

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

// const

// Flow control flags
#define FC_DTRDSR       0x01
#define FC_RTSCTS       0x02
#define FC_XONXOFF      0x04

// ascii definitions
#define ASCII_BEL       0x07
#define ASCII_BS        0x08
#define ASCII_LF        0x0A
#define ASCII_CR        0x0D
#define ASCII_XON       0x11
#define ASCII_XOFF      0x13

// terminal size
#define MAXBLOCK        3 //80

// const define
#define DEFAULTCOMPORT	3
#define DEFAULTBAUDRATE	1200

// data structures
typedef struct tagTTYINFO
{
	HANDLE  idComDev ;
	BYTE	bCOMPort ;		// current COM port int
    DWORD	dwCOMBaudrate;	// current COM baudrate
	//BYTE    bByteSize,bFlowCtrl, bParity, bStopBits ;

   BOOL    fConnectedToOther;
   

   BYTE    Queue[5000];
   WORD    HeadPtr, TailPtr;    
   
   BOOL    fConnected, fXonXoff, fLocalEcho, fNewLine, fAutoWrap,
           fUseCNReceive, fDisplayErrors;

   BYTE    bByteSize, bFlowCtrl, bParity, bStopBits ;
   DWORD   dwBaudRate ;
   
   
   HANDLE      hWatchThread, hWatchEvent,hLPTWatchThread ;
   DWORD       dwThreadID ;
   OVERLAPPED  osWrite, osRead ;


} TTYINFO, NEAR *NPTTYINFO ;

// define COM macro
#define COMDEV( x ) (x -> idComDev)
#define PORT( x )   (x -> bCOMPort)
#define BAUDRATE( x ) (x -> dwCOMBaudrate)


#define CONNECTEDTO( x ) (x -> fConnectedToOther)
#define CONNECTED( x ) (x -> fConnected)
#define XONXOFF( x ) (x -> fXonXoff)
#define LOCALECHO( x ) (x -> fLocalEcho)
#define NEWLINE( x ) (x -> fNewLine)
#define AUTOWRAP( x ) (x -> fAutoWrap)
#define BYTESIZE( x ) (x -> bByteSize)
#define FLOWCTRL( x ) (x -> bFlowCtrl)
#define PARITY( x ) (x -> bParity)
#define STOPBITS( x ) (x -> bStopBits)
#define HTHREAD( x ) (x -> hWatchThread)
#define THREADID( x ) (x -> dwThreadID)
#define WRITE_OS( x ) (x -> osWrite)
#define READ_OS( x ) (x -> osRead)






class CTTY  
{
public:
	CTTY();
	virtual ~CTTY();

	LRESULT NEAR CreateTTYInfo( void ) ;
	BOOL NEAR OpenConnection( void ) ;
    BOOL NEAR SetupConnection( void ) ;
       
	BOOL NEAR DestroyTTYInfo( void ) ;
    BOOL NEAR CloseConnection( void ) ;
	
       
public:

    NPTTYINFO  npTTYInfo ;
    DWORD ParityTable[5];
    DWORD StopBitsTable[3];
    DWORD BaudTable[13];
	DWORD SelectedBaudRate;
	int ComPort;

};

//并口读操作函数
int fnEppRoutine(int port, BYTE * pbResult, int number);
BOOL OpenLPTConnection();

//串口读（ReadCommBlock）写（WriteCommBlock）操作函数
int NEAR ReadCommBlock( NPTTYINFO npTTYInfo, LPSTR lpszBlock, int nMaxLength );
BOOL NEAR WriteCommBlock( NPTTYINFO npTTYInfo, BYTE *lpByte , DWORD dwBytesToWrite, DWORD  *dwBytesWritten);
BOOL NEAR WriteLPTBlock( NPTTYINFO npTTYInfo, BYTE *lpByte , DWORD dwBytesToWrite, DWORD  *dwBytesWritten );
int NEAR ReadLPTBlock( NPTTYINFO npTTYInfo, LPSTR lpszBlock, int nMaxLength );

//extern CTTY MyTTY;


#endif // !defined(AFX_TTY_H__07B39577_ABAC_11D2_9504_F8BC04C10000__INCLUDED_)