comm.h

串口通讯封装源码 串口通讯封装源码 串口通讯封装源码

// Comm.h: interface for the CComm class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_COMM_H__94379376_53FA_4DF0_B70D_5C469100538F__INCLUDED_)
#define AFX_COMM_H__94379376_53FA_4DF0_B70D_5C469100538F__INCLUDED_

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

#define strEndLine		"\r\n"


class CComm  
{
public:
	enum LOG_TYPE{NO_LOG=0, LOG_AS_ASCII=1, LOG_AS_HEX=2,};
	HANDLE  m_idComDev ;
	BOOL    m_bConnected; // OK: if the COMM successfully initialized 
	int		m_nCommPort;
	OVERLAPPED  m_osWrite, m_osRead ;
	COMMTIMEOUTS  m_CommTimeOuts ;
	int		m_Baud;
	char	m_cParity;
	int		m_nDataBit;
	float	m_fStopBit;
	int		m_Timeout;
	long	m_nTimeInterval;//前后两次发送的时间最短间隔（ms）
	int		m_nTickLast;
	CMutex	m_mutex;
	BOOL m_bParamSetted;

	bool Open();
	void Close();
	bool Write(const char* pData, int nLen);
	int  Read(char* pData, int nLen);
	static void WritePrivateProfileInt( LPCSTR lpAppName, LPCSTR lpKeyName, INT nValue, LPCSTR lpFileName );
	static void LoadSaveCommPortParams(int nComm,
		int &nBaud, 
		int &nDataBit, 
		float &fStopBit, 
		int &nTimeOut,
		char &cParity, 
		long &nTimeInterval,
		BOOL bLoadParams = TRUE);
	
	CComm();
	virtual ~CComm();
protected:
	void GetCommReady();
	void SetReadyComm();
	void LoadDefaultSettings();
	inline void	MakesureLogType(char* pData, int nLen);
	
	
private:
	CString GetHex(const BYTE* pData, int nLen);
	FILE* m_pFileLog;
	LOG_TYPE m_nWriteLog;
	static BOOL m_bLogDebug;
};

#endif // !defined(AFX_COMM_H__94379376_53FA_4DF0_B70D_5C469100538F__INCLUDED_)