terminaldoc.h

一个操纵RS232端口的程序

// TerminalDoc.h : interface of the CTerminalDoc class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_TERMINALDOC_H__73233D02_5CC6_4E11_B1C6_514DD4F3F4B8__INCLUDED_)
#define AFX_TERMINALDOC_H__73233D02_5CC6_4E11_B1C6_514DD4F3F4B8__INCLUDED_

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

#define MAXBLOCK 2048
#define XON 0x11
#define XOFF 0x13

UINT CommProc(LPVOID pParam);

class CTerminalDoc : public CDocument
{
protected: // create from serialization only
	CTerminalDoc();
	DECLARE_DYNCREATE(CTerminalDoc)

// Attributes
public:
	CWinThread* m_pThread; // 代表辅助线程	
	volatile BOOL m_bConnected;	
	volatile HWND m_hTermWnd;	
	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;	
	int m_nDataBits;	
	BOOL m_bEcho;	
	int m_nFlowCtrl;	
	BOOL m_bNewLine;	
	int m_nParity;	
	CString m_sPort;	
	int m_nStopBits;


// Operations
public:
	BOOL ConfigConnection();
	BOOL OpenConnection();
	void CloseConnection();
	DWORD ReadComm(char *buf,DWORD dwLength);
	DWORD WriteComm(char *buf,DWORD dwLength);

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTerminalDoc)
	public:
	virtual BOOL OnNewDocument();
	virtual void Serialize(CArchive& ar);
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CTerminalDoc();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CTerminalDoc)
	afx_msg void OnFileConnect();
	afx_msg void OnFileDisconnect();
	afx_msg void OnFileSettings();	
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_TERMINALDOC_H__73233D02_5CC6_4E11_B1C6_514DD4F3F4B8__INCLUDED_)