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// Comm.h: interface for the Comm class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_COMM_H__17961BD5_A023_11D4_BF22_0000E8E4C832__INCLUDED_) 
#define AFX_COMM_H__17961BD5_A023_11D4_BF22_0000E8E4C832__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
typedef struct _CommSet 
{ 
	HANDLE hComm; 
	bool Connected; 
	HWND m_hWindow; 
	DWORD ThreadID; 
	char smode; 
} CommSet,*LPCommSet; 
 
class Comm   
{ 
//Attributes 
public: 
	HANDLE comv; 
    char ComName[5]; // the communication name 
 
//Operation 
public: 
	int speed; 
	Comm(CWnd *p); 
	virtual ~Comm(); 
    BOOL initcomport(); // initial the serial port 
    BOOL SendString(char *p,int length); // send the string directly 
	LPBYTE GetCommMSRShadow(); 
private: 
	//For CommWatchProc thread 
	CommSet commset; 
	CWinThread* hCommWatchThread; 
	HANDLE hCommThread; 
	OVERLAPPED ComOverlapped; 
friend	UINT CommWatchProc(LPVOID pParam1); 
 
}; 
 
#endif // !defined(AFX_COMM_H__17961BD5_A023_11D4_BF22_0000E8E4C832__INCLUDED_)