gpscommdlg.cpp

使用MsComm控件接收gps数据

// GPSCommDlg.cpp : implementation file
//

#include "stdafx.h"
#include "GPSComm.h"
#include "GPSCommDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CGPSCommDlg dialog

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

void CGPSCommDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CGPSCommDlg)
	DDX_Control(pDX, IDC_MSCOMM1, m_COM);
	DDX_Text(pDX, IDC_EDIT3, m_strData);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CGPSCommDlg, CDialog)
	//{{AFX_MSG_MAP(CGPSCommDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BN_Read, OnBNRead)
	ON_WM_DESTROY()
	ON_WM_CANCELMODE()
	ON_WM_CAPTURECHANGED()
	ON_BN_CLICKED(IDC_BN_Analyse, OnBNAnalyse)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGPSCommDlg message handlers

BOOL CGPSCommDlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CGPSCommDlg::OnBNRead() 
{
	// TODO: Add your control notification handler code here

		UpdateData(true);

		if(!m_COM.GetPortOpen()){

			m_COM.SetPortOpen(true);

		}

//		m_strGetData="";
}

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

void CGPSCommDlg::OnOnCommMscomm() 
{
	// TODO: Add your control notification handler code here
	// TODO: Add your control notification handler code here
	switch(m_COM.GetCommEvent()){
	case 1:// ComEvSend:

	case 2://ComEvReceive:
	    m_strTemp=m_strTemp+(CString)m_COM.GetInput().bstrVal;
        OnBNAnalyse();
	
	break;

	case 1009://ComEventRxParity:
	break;
	default:
	break;

}
}


void CGPSCommDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	
	// TODO: Add your message handler code here
	// TODO: Add your message handler code here
	//	  if(m_COM.GetPortOpen()){
        //   m_COM.SetPortOpen(false);
		//  }
}

void CGPSCommDlg::OnOK() 
{
	// TODO: Add extra validation here
	
//	CDialog::OnOK();
	 m_COM.SetPortOpen(false);
}
void CGPSCommDlg::OnBNAnalyse() 
{
	// TODO: Add your control notification handler code here
 /* m_strTemp="$GPRMC,120353,V,3413.9819,N,10857.1660,E,,,110805,002.8,W*74"
			"$GPGGA,120353,3413.9819,N,10857.1660,E,0,00,,,M,,M,,*5D"
			"$GPGSA,A,1,,,,,,,,,,,,,,,*1E"
			"$GPGSV,3,3,12,19,72,038,00,20,00,182,00,21,00,017,00,24,00,203,00*77"
			"$PGRME,,M,,M,,M*00"
			"$PGRMM,WGS 84*06";
*/
	int nStart=	m_strTemp.Find ("$GPRMC",0);
	int nStop=m_strTemp.Find ("$GPGGA",0);

	if (nStop>nStart){
		m_strData=m_strTemp.Mid(nStart,nStop-nStart);
    	UpdateData(false);
        CString strData[10];
	    int k=0;
		for(int i=0;i<10;i++){
	        k=m_strData.Find(",",0); 
			strData[i]=m_strData.Left(k);
			m_strData=m_strData.Right(m_strData.GetLength()-k-1) ;
		}
		m_strTemp="";
		SetDlgItemText(IDC_EDIT_WD,strData[3]) ;
		SetDlgItemText(IDC_EDIT_JD,strData[5]) ;
		SetDlgItemText(IDC_EDIT_T,strData[1]) ;

		if(strData[4]=="N")
			SetDlgItemText(IDC_EDIT_SN,"北纬") ;
		else
			SetDlgItemText(IDC_EDIT_SN,"南纬") ;
	
		if(strData[4]=="E")
			SetDlgItemText(IDC_EDIT_EW,"东经");
		else
			SetDlgItemText(IDC_EDIT_EW,"西经");


	}
	  
}