www.pudn.com > dv_2_26.zip > DVView.cpp
// DVView.cpp : implementation of the CDVView class
//
#include "stdafx.h"
#include
#include "DV.h"
#include "DVDoc.h"
#include "DVView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define PORT0 0x300
#define PORT1 0x301
#define PORT2 0x302
#define PORT3 0x303
#define PORT4 0x304
#define PORT5 0x305
#define PORT6 0x306
#define PORT7 0x307
static int nPerScr = 650;
static int nIndexScr = 0;
static int nPerFl = 5000;
static WORD CurData[650];
/////////////////////////////////////////////////////////////////////////////
// CDVView
IMPLEMENT_DYNCREATE(CDVView, CFormView)
BEGIN_MESSAGE_MAP(CDVView, CFormView)
//{{AFX_MSG_MAP(CDVView)
ON_BN_CLICKED(IDC_START_CAPTURE, OnStartCapture)
ON_BN_CLICKED(IDC_VIEW_DATA, OnViewData)
ON_BN_CLICKED(ID_QUIT, OnQuit)
ON_WM_PAINT()
ON_WM_LBUTTONDOWN()
ON_WM_RBUTTONDOWN()
ON_EN_CHANGE(IDC_DELAY_MS, OnChangeDelayMs)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDVView construction/destruction
CDVView::CDVView()
: CFormView(CDVView::IDD)
{
//{{AFX_DATA_INIT(CDVView)
m_DelayMs = 0;
//}}AFX_DATA_INIT
// TODO: add construction code here
// bLRCursor = TRUE;//right cursor is selected
nLeft = nRight = 0;
}
CDVView::~CDVView()
{
}
void CDVView::DoDataExchange(CDataExchange* pDX)
{
CFormView::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CDVView)
DDX_Text(pDX, IDC_DELAY_MS, m_DelayMs);
DDV_MinMaxUInt(pDX, m_DelayMs, 0, 20);
//}}AFX_DATA_MAP
}
BOOL CDVView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CFormView::PreCreateWindow(cs);
}
void CDVView::OnInitialUpdate()
{
CFormView::OnInitialUpdate();
GetParentFrame()->RecalcLayout();
ResizeParentToFit(0);
GetDlgItem(IDC_PICTURE)->GetWindowRect(&rectPic);
ScreenToClient(&rectPic);
}
/////////////////////////////////////////////////////////////////////////////
// CDVView diagnostics
#ifdef _DEBUG
void CDVView::AssertValid() const
{
CFormView::AssertValid();
}
void CDVView::Dump(CDumpContext& dc) const
{
CFormView::Dump(dc);
}
CDVDoc* CDVView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDVDoc)));
return (CDVDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CDVView message handlers
void CDVView::OnStartCapture()
{
memset(CurData,0,nPerScr*2);
CClientDC dc(this);
CString strWrite,strTemp;
strWrite.Format("序号\t\tN1\t\tN2\t\t(N1+N2)/2\n\n");
MSG MyMsg;
BOOL test;
BOOL TAG = TRUE;
WORD w_hbyte,w_lbyte;
WORD d1,d2,ave;
WORD old_ave = 0;
// int i = 0;
// int ii = 0;
int nFileSeq = 0;
while(TAG)
{
::PeekMessage( &MyMsg, NULL, WM_KEYDOWN, WM_KEYDOWN, PM_REMOVE );
if(MyMsg.wParam == 27){TAG = FALSE;SaveData(strWrite,nIndexScr);}
_inp(PORT0);
Sleep(m_DelayMs);
// Sleep(2);
do{
test=_inp(PORT1)&0x1;
::PeekMessage( &MyMsg, NULL, WM_KEYDOWN, WM_KEYDOWN, PM_REMOVE );
if(MyMsg.wParam == 27) test = TRUE;
}while(!test);
w_hbyte = _inp(PORT4) & 0x07;
w_lbyte = _inp(PORT3);
d1 = (w_hbyte<<8) + w_lbyte;
strTemp.Format("%d\t\t%d\t\t",nIndexScr,d1);
strWrite += strTemp;
w_hbyte = _inp(PORT7) & 0x07;
w_lbyte = _inp(PORT6);
d2 = (w_hbyte<<8) + w_lbyte;
strTemp.Format("%d\t\t",d2);
strWrite += strTemp;
ave = (d1 + d2)/2;
strTemp.Format("%d\n",ave);
strWrite += strTemp;
CurData[nIndexScr] = ave;
// ave = rand()%200;
//调用自定义的追加点函数
AppendLine(nIndexScr-1,old_ave,nIndexScr,ave,&dc);
old_ave = ave;
nIndexScr++;
if(nIndexScr >= nPerScr)
{
//调用自定义的保存数据函数
nIndexScr=0;
strWrite.Format("序号\t\tN1\t\tN2\t\t(N1+N2)/2\n\n");
// SaveData(strWrite,nIndexScr);
// memset(CurData,0,nPerScr*2);
CRect rectInvalid;
GetWindowRect(&rectInvalid);
ScreenToClient(&rectInvalid);
InvalidateRect(rectInvalid,1);
UpdateWindow();
}
}
}
BOOL CDVView::AppendLine(int x0,int y0,int x1,int y1,CDC *pdc)
{
CPen *pOldPen,pen(PS_SOLID,1,RGB(0,255,0));
pOldPen=pdc->SelectObject(&pen);
int n_step=1;
float fScale = 0.10;
int temp = (int)((float)y0*fScale);
temp = (temp>rectPic.Height())?(rectPic.Height()):temp;
pdc->MoveTo((rectPic.left+x0*n_step),(rectPic.bottom-temp));
temp = (int)((float)y1*fScale);
temp = (temp>rectPic.Height())?(rectPic.Height()):temp;
pdc->LineTo((rectPic.left+x1*n_step),(rectPic.bottom-temp));
pdc->SelectObject(pOldPen);
return TRUE;
}
BOOL CDVView::SaveData(CString &str,int nSeq)
{
CStdioFile file;
CString strTemp;
// strTemp.Format("data%d.txt",nSeq);
BOOL bSuccess = file.Open( "data.txt" , CFile::modeWrite | CFile::typeText | CFile::modeCreate);
if(bSuccess)
{
file.WriteString(str);
file.Close();
return TRUE;
}
else
{
AfxMessageBox("写数据文件DATA??.TXT失败！");
return FALSE;
}
return FALSE;
}
void CDVView::OnViewData()
{
HWND hwnd = GetSafeHwnd();
HINSTANCE result = ShellExecute(hwnd, "open", "data.txt", NULL,NULL, SW_SHOW);
}
BOOL CDVView::BkGnd(CDC *pdc)
{ //interX:4.6ms
pdc->SetBkMode(TRANSPARENT);
pdc->SelectStockObject(BLACK_BRUSH);
pdc->Rectangle(rectPic);
CPen *pOldPen,pen(PS_SOLID,1,RGB(129,129,129));
pOldPen = pdc->SelectObject(&pen);
int interY = rectPic.Height()/10;
CString str;
for(int j=0;j<=10;j++)
{
pdc->MoveTo(rectPic.left,rectPic.bottom-interY*j);
pdc->LineTo(rectPic.right,rectPic.bottom-interY*j);
str.Format("%d",j*interY*10);
pdc->TextOut(rectPic.left-40,rectPic.bottom-interY*j-10,str);
}
for(j=0;j<=10;j++)
{
pdc->MoveTo(rectPic.left+j*65,rectPic.bottom);
pdc->LineTo(rectPic.left+j*65,rectPic.top);
pdc->SetBkMode(TRANSPARENT);
str.Format("%d",(int)((float)j*65.0*4.6));
pdc->TextOut(rectPic.left+j*65-20,rectPic.bottom,str);
}
pdc->SetBkMode(OPAQUE);
CPen penCursor(PS_SOLID,1,RGB(255,255,255));
pOldPen = pdc->SelectObject(&penCursor);
pdc->MoveTo(rectPic.left+nLeft,rectPic.bottom);
pdc->LineTo(rectPic.left+nLeft,rectPic.top);
pdc->TextOut(rectPic.left+nLeft,rectPic.top,"左");
pdc->MoveTo(rectPic.left+nRight,rectPic.bottom);
pdc->LineTo(rectPic.left+nRight,rectPic.top);
pdc->TextOut(rectPic.left+nRight,rectPic.top,"右");
float ll=(float)nLeft*4.6;
float rr=(float)nRight*4.6;
float dd=rr-ll;
float hh;
hh=(dd==0)?0:(float)(1.0/abs(dd)*1000.0);
str.Format("左标线位置:%.2fms,该点振幅:%d\n右标线位置:%.2fms,该点振幅:%d\n两标线间隔:%.2fms合%.2fHz",ll,CurData[nLeft],rr,CurData[nRight],dd,hh);
SetDlgItemText(IDC_CURSOR_RESULT,str);
pdc->SelectObject(pOldPen);
return TRUE;
}
void CDVView::OnQuit()
{
PostQuitMessage(1);
}
void CDVView::OnPaint()
{
CPaintDC dc(this); // device context for painting
BkGnd(&dc);
PlayBackCurData(&dc);
// Do not call CFormView::OnPaint() for painting messages
}
void CDVView::OnRButtonDown(UINT nFlags, CPoint point)
{
int x,y;
x = point.x-rectPic.left;
y = rectPic.bottom-point.y;
if(x>=0 && y>=0) nRight = x;
InvalidateRect(rectPic,0);
UpdateWindow();
CFormView::OnRButtonDown(nFlags, point);
}
void CDVView::OnLButtonDown(UINT nFlags, CPoint point)
{
/*
CClientDC dc(this);
// dc.SetBkMode(TRANSPARENT);
CPen *pOldPen,pen(PS_SOLID,1,RGB(0,0,255));
pOldPen=dc.SelectObject(&pen);*/
int x,y;
x = point.x-rectPic.left;
y = rectPic.bottom-point.y;
if(x>=0 && y>=0) nLeft = x;
InvalidateRect(rectPic,0);
UpdateWindow();
/*
dc.MoveTo(rectPic.left+nLeft,rectPic.bottom);
dc.LineTo(rectPic.left+nLeft,rectPic.top);
dc.TextOut(rectPic.left+nLeft,rectPic.top,"左");
dc.MoveTo(rectPic.left+nRight,rectPic.bottom);
dc.LineTo(rectPic.left+nRight,rectPic.top);
dc.TextOut(rectPic.left+nRight,rectPic.top,"右");
dc.SelectObject(pOldPen);
*/
CFormView::OnLButtonDown(nFlags, point);
}
BOOL CDVView::PlayBackCurData(CDC *pdc)
{
CPen *pOldPen,pen(PS_SOLID,1,RGB(0,255,0));
pOldPen=pdc->SelectObject(&pen);
int n_step=1;
float fScale = 0.10;
for(int i=0;irectPic.Height())?(rectPic.Height()):temp;
pdc->MoveTo((rectPic.left+i*n_step),(rectPic.bottom-temp));
temp = (int)((float)CurData[i+1]*fScale);
temp = (temp>rectPic.Height())?(rectPic.Height()):temp;
pdc->LineTo((rectPic.left+(i+1)*n_step),(rectPic.bottom-temp));
}
pdc->SelectObject(pOldPen);
return TRUE;
}
void CDVView::OnChangeDelayMs()
{
// TODO: If this is a RICHEDIT control, the control will not
// send this notification unless you override the CFormView::OnInitDialog()
// function and call CRichEditCtrl().SetEventMask()
// with the ENM_CHANGE flag ORed into the mask.
// TODO: Add your control notification handler code here
UpdateData(TRUE);
}