gpsview.cpp

采用HOLUX1000BGPS接收器

// GPSView.cpp : implementation of the CGPSView class
//

#include "stdafx.h"
#include "GPS.h"

#include "GPSDoc.h"
#include "GPSView.h"
#include "mscomm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CGPSView

IMPLEMENT_DYNCREATE(CGPSView, CView)


BEGIN_MESSAGE_MAP(CGPSView, CView)
	//{{AFX_MSG_MAP(CGPSView)
	ON_COMMAND(ID_BUTGPS, OnButgps)
	ON_WM_PAINT()
	ON_WM_CREATE()
	ON_COMMAND(ID_BUTCLOSE, OnButclose)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGPSView construction/destruction

CGPSView::CGPSView()
{
	// TODO: add construction code here

}

CGPSView::~CGPSView()
{
}

BOOL CGPSView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CGPSView drawing

void CGPSView::OnDraw(CDC* pDC)
{
	CGPSDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CGPSView printing

BOOL CGPSView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CGPSView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CGPSView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CGPSView diagnostics

#ifdef _DEBUG
void CGPSView::AssertValid() const
{
	CView::AssertValid();
}

void CGPSView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CGPSDoc* CGPSView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CGPSDoc)));
	return (CGPSDoc*)m_pDocument;
}
#endif //_DEBUG




/////////////////////////////////////////////////////////////////////////////
// CGPSView message handlers

void CGPSView::OnButgps() 
{
	// TODO: Add your command handler code here
	m_comm.Create(NULL,0,CRect(0,0,0,0),this,IDC_MSCOMM1); 
	if(m_comm.GetPortOpen()) //????????,?????? 
		m_comm.SetPortOpen(FALSE); 

	m_comm.SetCommPort(4); //??COM4 
	m_comm.SetInBufferSize(1024); //????? 
	m_comm.SetOutBufferSize(1024);//????? 
	m_comm.SetInputLen(0);//????????????0,?????? 
	m_comm.SetInputMode(1);//?????????? 
	m_comm.SetRThreshold(1);//??????1??1??????,????????OnComm?? 
	m_comm.SetSettings("38400,n,8,1");//???9600????,8????,1???? 
	if(!m_comm.GetPortOpen())//??????????? 
	  m_comm.SetPortOpen(TRUE);//???? 
	else 
	  AfxMessageBox("Open Serial Port Failure!"); 
	
	m_comm.GetInput(); //????????????? 	
}

BEGIN_EVENTSINK_MAP(CGPSView, CView)
    //{{AFX_EVENTSINK_MAP(CGPSView)
	ON_EVENT(CGPSView, IDC_MSCOMM1, 1 /* OnComm */, OnCommMscomm1, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CGPSView::OnCommMscomm1() 
{
	// TODO: Add your control notification handler code here
	
	Sleep(500); //视各厂家modem而定。不加则数据接受不全 
	VARIANT m_input; 
	char *str,*str1; 
	int k,nEvent,i,len,m; 
	CString str2;
	m_ReceiveData=""; 
	int MaxL = 100;
	nEvent=m_comm.GetCommEvent(); 
	switch(nEvent) { 
		case 1://数据发送事件
			break;
		case 2: //收到大于RTHresshold个字符 		
			k=m_comm.GetInBufferCount(); //接收缓冲区的字符数目
			if(k>0) { 
				m_input=m_comm.GetInput(); 
				str=(char*)(unsigned char*)m_input.parray->pvData; 
			}
			i=0; str1=str; 
			while(i<k) { 
				i++; str1++; 
			} 
			*str1='\0'; 
			str2=(const char*)str; //清除字符串中的不必要字符 
			
			m = str2.Find("$GPRMC");
			if(m <0 ) break;
			m_ReceiveData.Insert(0,"$GPRMC");
			i =6;
			m = m + 6;
			do{
				m_ReceiveData.Insert(i,str2[m++]);
        
			}while(m_ReceiveData[i++]!='$' && i < MaxL);
			m_ReceiveData.Insert(i,'\n');
			//m_ReceiveData=str3;



			InvalidateRect(NULL);

			break; 
		case 3: //CTS线状态发生变化 
			break; 
		case 4: //DSR线状态发生变化 
			break; 
		case 5: //CD线状态发生变化 
			break; 
		case 6: //Ring Indicator发生变化 
			break; 
	}//switch(nEvent) 
}


void CGPSView::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	dc.TextOut(0,0,m_ReceiveData);
	// Do not call CView::OnPaint() for painting messages
}

int CGPSView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here

	
	return 0;

}

void CGPSView::OnButclose() 
{
	// TODO: Add your command handler code here
	
}