ttydoc.h

本代码主要实现串口程序的仿真与演示

// TTYDoc.h : interface of the CTTYDoc class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_TTYDOC_H__18879223_A18C_4F7F_9964_2E637CFB8C8B__INCLUDED_)
#define AFX_TTYDOC_H__18879223_A18C_4F7F_9964_2E637CFB8C8B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
//定义最大数据块XON XOF
#define MAXBLOCK 4096
#define XON      0x11
#define XOFF     0x13
typedef struct tagCOMM {
HANDLE idComDev; //通信资源句柄
BOOL fConnected; //是否打开了通信资源 TRUE=Yes
HANDLE hPostEvent; //传递自定义消息事件对象
HWND hPostToWnd; //接收自定义消息的窗口
OVERLAPPED osRead; //重叠读操作的事件对象
BOOL fPostToDlg; //是否转发到对话框 TRUE=Yes
}COMM,FAR *PCOMM;

UINT CommWatchProc(LPVOID pParam);

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

// Attributes
public:
	CWinThread *m_pThread;
	 volatile BOOL m_bConnected;
      volatile HWND m_hTermWnd;
volatile HANDLE m_hPostMsgEvent;
OVERLAPPED m_osRead,m_osWrite;
volatile HANDLE m_hCom;
int m_nBaud;
int m_nDataBits;
BOOL m_bEcho;
BOOL m_bNewLine;
int m_nParity;
CString m_sPort;
 int m_nStopBits;

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CTTYDoc)
	public:
	virtual BOOL OnNewDocument();
	virtual void Serialize(CArchive& ar);
	virtual BOOL CanCloseFrame(CFrameWnd* pFrame);
	//}}AFX_VIRTUAL

// Implementation
public:
	CWinThread *pWatchThread;
	PCOMM pComm;
    void CloseConnection();
	BOOL OpenConnection();
	BOOL ConfigConnection();
	DWORD ReadComm(char *buf,DWORD delength);
	DWORD WriteComm(char *buf,DWORD dwLength);
	virtual ~CTTYDoc();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CTTYDoc)
	afx_msg void OnApiConnect();
	afx_msg void OnApiDisconnect();
	afx_msg void OnApiSettings();
	afx_msg void OnUpdateApiConnect(CCmdUI* pCmdUI);
	afx_msg void OnUpdateApiDisconnect(CCmdUI* pCmdUI);
	afx_msg void OnUpdateApiSettings(CCmdUI* pCmdUI);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

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

#endif // !defined(AFX_TTYDOC_H__18879223_A18C_4F7F_9964_2E637CFB8C8B__INCLUDED_)