comtestdlg.cpp

采用MSCommon控件实现一个简单的与单片机能通信功能.

// comtestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "comtest.h"
#include "comtestDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CComtestDlg dialog

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

void CComtestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CComtestDlg)
	DDX_Text(pDX, IDC_EDIT2, m_jieshou);
	DDV_MaxChars(pDX, m_jieshou, 4);
	DDX_Text(pDX, IDC_EDIT1, m_fasong);
	DDV_MaxChars(pDX, m_fasong, 4);
	DDX_Control(pDX, IDC_MSCOMM1, m_comport);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CComtestDlg, CDialog)
	//{{AFX_MSG_MAP(CComtestDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_SEND, OnSend)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CComtestDlg message handlers

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

	// 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
//	m_comport.SetCommPort(3);
	if(!m_comport.GetPortOpen())
		m_comport.SetPortOpen(TRUE);
//	m_comport.GetInput();
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CComtestDlg::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 CComtestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CComtestDlg::OnSend() 
{
  UpdateData(TRUE);
  if(!m_comport.GetPortOpen())
	  m_comport.SetPortOpen(TRUE);
  m_comport.SetOutput(COleVariant(m_fasong));
  m_fasong="";
  UpdateData(FALSE);
}

BEGIN_EVENTSINK_MAP(CComtestDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CComtestDlg)
	ON_EVENT(CComtestDlg, IDC_MSCOMM1, 1 /* OnComm */, OnCommMscomm, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CComtestDlg::OnCommMscomm() 
{
	if(m_comport.GetCommEvent()==2)
	{
/*		VARIANT vResponse;
		vResponse=m_comport.GetInput();
		CString str((unsigned char*)vResponse.parray->pvData);
		m_jieshou=str;*/
		m_jieshou=m_comport.GetInput().bstrVal;
		UpdateData(FALSE);
	}
}