#include <windows.h>
#ifndef ZCOMM_CALSS
#define ZCOMM_CALSS

#define COMSUCCESS 1
#define FAILURE 0
#define	MAXTIMEOUT 2000

class ZComm {
  public:
	 HANDLE  idComDev;
	 HANDLE  receive;
	 HANDLE  began_receive;
     int     fConnected;
	 int     fCOMMOpened;
	 		  
  protected:    
	 OVERLAPPED WRITE_OS,READ_OS;
	 BOOL olap; // overlapped 方式
	 HANDLE     hCommWatchThread;
     DWORD      dwThreadID ;

  public:
	 ZComm();
	 ~ZComm();

  public:
     int open(char *szPort,int Baud_rate,BOOL overlapped); //打開串口，初始化串口
     int Close();//關閉串口
  	 int set_baudrate(int baud_rate);
     int Read(BYTE *buf,int nMaxLength);
	 int ReadString(void* pData, int nLength);
     int Write(BYTE *buf,int buflen);
	 int sendcommand(BYTE *buf,int buflen,char * reply,int *len_reply);
	 BOOL WaitEventChar();
  public:
	  BOOL SetRTS(int set);
	  BOOL SetTimeOut(DWORD ReadIntervalTimeout,
		              DWORD ReadTotalTimeoutMultiplier,
					  DWORD ReadTotalTimeoutConstant);

	  void crc_16(BYTE *data, int length, BYTE *reply);
	  BOOL FlashCommMask();
	  BOOL SetEventChar(char EventChar);
	  BOOL PurgeIn();
	  BOOL Purge();
	  int CheckICC (int cmd,BYTE *buf);
	  BYTE CalculateICC (int cmd,BYTE *buf);
	  DWORD ReadStream(BYTE * buf,int Length);
	  DWORD ReadByte(BYTE * buf);

	  bool SendStrCommand(CString CommandWord);
	  CString ReceiveATInfo();
};

#endif