connectcomdlg.cpp

VC的COM口驱动程序,使用了ACTIVEX控件

// ConnectCOMDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ConnectCOM.h"
#include "ConnectCOMDlg.h"
#include "mscomm.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()

/////////////////////////////////////////////////////////////////////////////
// CConnectCOMDlg dialog

CConnectCOMDlg::CConnectCOMDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CConnectCOMDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CConnectCOMDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CConnectCOMDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CConnectCOMDlg)
	DDX_Control(pDX, IDC_MSCOM, m_com);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CConnectCOMDlg, CDialog)
	//{{AFX_MSG_MAP(CConnectCOMDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CONNECT, OnConnect)
	ON_BN_CLICKED(IDC_CLOSE, OnClose)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CConnectCOMDlg message handlers

BOOL CConnectCOMDlg::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
	m_com.SetPortOpen(true);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CConnectCOMDlg::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 CConnectCOMDlg::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 CConnectCOMDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

BEGIN_EVENTSINK_MAP(CConnectCOMDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CConnectCOMDlg)
	ON_EVENT(CConnectCOMDlg, IDC_MSCOM, 1 /* OnComm */, OnOnCommMscom, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CConnectCOMDlg::OnOnCommMscom() 
{
	// TODO: Add your control notification handler code here
	VARIANT m_Input;
	CString cs_inputstr;
	TCHAR m_getstr[50];
	TCHAR m_temp[10];
	memset(m_getstr,0,50);
	memset(m_temp,0,12);

	
	if(m_com.GetCommEvent()==2)							//接收缓冲区内有字符     
	{
		m_Input=m_com.GetInput();						//读取缓冲区内的数据
		cs_inputstr = (BSTR)m_Input.bstrVal;
		for(int i=0;i<cs_inputstr.GetLength();i++)
		{
			m_getstr[i] = cs_inputstr.GetAt(i);
			 
		}
		for(int j=0;j<=9;j++)
		{
			m_temp[j]=m_getstr[j+1];
		}
		cs_inputstr=m_temp;
		SetDlgItemText(IDC_STATIC,cs_inputstr);
		


	}
	
}

void CConnectCOMDlg::OnConnect() 
{
	// TODO: Add your control notification handler code here
	if(m_com.GetPortOpen())
		m_com.SetPortOpen(FALSE);
	m_com.SetCommPort(4);
	m_com.SetPortOpen(TRUE);
	SetDlgItemText(IDC_STATIC,"connected!");
	
}

void CConnectCOMDlg::OnClose() 
{
	// TODO: Add your control notification handler code here
	if(m_com.GetPortOpen())
		m_com.SetPortOpen(FALSE);
	SetDlgItemText(IDC_STATIC,"closed!");
	
}