cmscom.h

多线程串口通讯实例

// CMscom.h: interface for the CCMscom class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CMSCOM_H__453A4BAB_507E_411B_B146_F23BF4BC988F__INCLUDED_)
#define AFX_CMSCOM_H__453A4BAB_507E_411B_B146_F23BF4BC988F__INCLUDED_

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

#define MAXBLOCK 4096
#define XON 0x11
#define XOFF 0x13
UINT CommProc(LPVOID pParam);

class CCMscom  
{
public:
	
	BOOL OnNewDocument();

	DWORD WriteComm(char *buf,DWORD dwLength);
	DWORD ReadComm(char *buf, DWORD dwLength);
	BOOL ConfigConnection();
	void CloseConnection();
	BOOL OpenConnection(int port);
	CCMscom();
	virtual ~CCMscom();
//-------------------------------------
	CWinThread* m_pThread; // 代表辅助线程
	volatile BOOL m_bConnected;//表示连接否，用来标识菜单串口连接和断开连接是否可用
	volatile HWND m_hTermWnd;//辅助窗口
	volatile HANDLE m_hPostMsgEvent; // 用于WM_COMMNOTIFY消息的事件对象
	OVERLAPPED m_osRead, m_osWrite; // 用于重叠读/写
	
	volatile HANDLE m_hCom; // 串行口句柄
	int m_nBaud;//数据传输速率
	int m_nDataBits;//数据位
	BOOL m_bEcho;//表明本地回显
	BOOL m_bNewLine;//表明自动换行
	int m_nParity;//校验位
	CString m_sPort;//串行端口
	int m_nStopBits;//停止位

};

#endif // !defined(AFX_CMSCOM_H__453A4BAB_507E_411B_B146_F23BF4BC988F__INCLUDED_)