charterminalsenddlg.cpp

利用MSComm控件

// CharTerminalSendDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CharTerminalSend.h"
#include "CharTerminalSendDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCharTerminalSendDlg dialog

CCharTerminalSendDlg::CCharTerminalSendDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCharTerminalSendDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCharTerminalSendDlg)
	m_strSend = _T("");
	m_strReceive = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCharTerminalSendDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCharTerminalSendDlg)
	DDX_Text(pDX, IDC_EDIT1, m_strSend);
	DDX_Text(pDX, IDC_EDIT_RECEIVE, m_strReceive);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCharTerminalSendDlg, CDialog)
	//{{AFX_MSG_MAP(CCharTerminalSendDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_Send, OnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCharTerminalSendDlg message handlers

BOOL CCharTerminalSendDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	DWORD style=WS_VISIBLE|WS_CHILD;
	if(!m_Com.Create(NULL,style,CRect(0,0,0,0),this,ID_COMMCTRL))
	{
          TRACE0("Failed to create OLE communications control!\n");
		  return -1;
	}

	m_Com.SetCommPort(5);
	m_Com.SetInBufferSize(2048);
	m_Com.SetOutBufferSize(2048);

	if(!m_Com.GetPortOpen())
	m_Com.SetPortOpen(true);
    m_Com.SetInputMode(1);
	m_Com.SetSettings("9600,n,8,1");
    m_Com.SetRThreshold(1);
    m_Com.SetInputLen(0);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CCharTerminalSendDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CCharTerminalSendDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CCharTerminalSendDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CCharTerminalSendDlg::OnSend() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);

	UpdateData(FALSE);



	char TxData[100];

    int Count = m_strSend.GetLength();



	for(int i = 0; i < Count; i++)

		TxData[i] = m_strSend.GetAt(i);





    CByteArray array;     

    array.RemoveAll();

    array.SetSize(Count);



    for(i=0;i<Count;i++)

	    array.SetAt(i, TxData[i]);



    m_Com.SetOutput(COleVariant(array)); // 发送数据	
}

BEGIN_EVENTSINK_MAP(CCharTerminalSendDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CCharTerminalSendDlg)
	ON_EVENT(CCharTerminalSendDlg, ID_COMMCTRL, 1 /* OnComm */, OnOnCommCommctrl, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CCharTerminalSendDlg::OnOnCommCommctrl() 
{
	// TODO: Add your control notification handler code here
	 VARIANT input1;
    BYTE rxdata[2048];
    long  len1,k;
    COleSafeArray safearray1;
    CString strDis;
    switch(m_Com.GetCommEvent())
	{
       case 2:

              input1=m_Com.GetInput();
              safearray1=input1;
              len1=safearray1.GetOneDimSize();
              for(k=0;k<len1;k++)
              safearray1.GetElement(&k,rxdata+k);
            for(k=0;k<len1;k++)
			{
               BYTE bt=*(char*)(rxdata+k);
			   strDis.Format("%c",bt);
			   m_strReceive=m_strReceive+strDis;
			}
		//	m_strReceive+="\r\n";
	}


    UpdateData(false);
}