comm.hpp

收发传真的C源码

#if !defined(__COMM_HPP__)
#define __COMM_HPP__
#include "commtype.hpp"
class Comm_config{
		 public:
		 short com_num;
		 short speed_num;
		 short parity;
		 short data;
		 short stop;
		 short flowctl;
		 long  in_bufferSize;
		 long  out_bufferSize;
};

class Comm
    {
		OVERLAPPED WaitOS;
		WORD   m_ibuf,m_obuf;
		BOOL WriteCommBlock(LPSTR lpByte , DWORD dwBytesToWrite);
		public:
		HANDLE portHandle;
		//HANDLE ThreadHandle,WaitSignal,CommSignal;
		BOOL   m_bExitFlags;
		//static DWORD WINAPI WaitCommThread(void *);
		BOOL   init_comm;
		char   message_buffer[80];
		char   message_count;
		int    m_nBusyCount;
		char  *m_ReadBuf,*m_PutBuf;
	    private:
		int   i_count,m_nEndbuf,m_nPtr;
		DWORD  CommRead(char *c,DWORD ReadBytes);
		BOOL   PreRead();
		public:

	    Comm(short port,short irq,long rate,
		    short lineControl,		//   line control setting
		    short flowControl = 1,                   //   flow control flag
		    WORD si = 1024,                //   input queue size
		    WORD so = 1024);               //   and output queue size
		~Comm();
		WORD   Read(char *c);
		DWORD  Read(char *c,DWORD ReadBytes);
		BOOL   Write(short c);
		BOOL   Write(char *s);
		BOOL   Write(void *s,DWORD dwBytes);
		WORD OCount();
		WORD ICount();
		WORD OFree();
		WORD IFree();
		short  IEmpty(void);                  // rtn TRUE if input queue
		short  OEmpty(void);                  // ..or output queue empty
		long   GetSpeed(void);                // rtn current speed in bps
		void   SetSpeed(long d);               // set up port's divisor
		void   SetBPS(long d);               // set up port's divisor
		void   IClear(void);                  // clear input queue
		void   OClear(void);                  // ..and output queue
		void   DTR(long t = 1500L);
		BOOL   WaitForComm(DWORD Timer);
		void   SignalComm();
		int    terminal_display(char *pRetStr=0);
		BOOL   WaitComm(DWORD Timer=0);
		void   Purge(long to);
};

extern const short   comport_data[4][2];
extern const long    speed_data[];
extern const char    *string_command[8];
int check_string_command(char *message);
#endif