sampledlg.cpp

通过USB接口利用多媒体进行数据采集的源程序

// sampleDlg.cpp : implementation file
//

#include "stdafx.h"
#include "sample.h"
#include "sampleDlg.h"
#include "stdafx1.h"
#include "windows.h"
#include "stdafx1.h"
#include "ua300.h"
#include "mmsystem.h"
//////////////////////////////////////////////////////////////////////
#define twosecond 1
#define timeracc 1
void PASCAL OneMilliSecondProc(UINT wTimerID, UINT msg,DWORD dwUser,DWORD dwl,DWORD dw2);
//////////////////////////////////////////////////////////////
double par[512];
HANDLE husb;
int jishu1,jishu2,jishu3;
////////////////////////////////////////////////////////////////////////
#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()

/////////////////////////////////////////////////////////////////////////////
// CSampleDlg dialog

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

void CSampleDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSampleDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSampleDlg, CDialog)
	//{{AFX_MSG_MAP(CSampleDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSampleDlg message handlers

BOOL CSampleDlg::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 CSampleDlg::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 CSampleDlg::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 CSampleDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CSampleDlg::OnOK() 
{	
	for(int i=0;i<512;i++){par[i]=0;}
	jishu1=0;jishu2=0;jishu3=0;
	husb=OpenUA300();                  // 打开设备,得到句柄
	ssinit(husb); 
	mtimer=SetTimer(1,1000,NULL);	//设置计时器
	wtimerres_2s=twosecond;		//设置多媒体时钟
	TIMECAPS tc;
	if(timeGetDevCaps(&tc,sizeof(TIMECAPS))==TIMERR_NOERROR)
	{
		wacc=min(max(tc.wPeriodMin,timeracc),tc.wPeriodMax);
		timeBeginPeriod(wacc); 
		timerid=timeSetEvent(wtimerres_2s,wacc,(LPTIMECALLBACK)OneMilliSecondProc,(DWORD)this,TIME_PERIODIC);
	}	
}

void CSampleDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	timeKillEvent(timerid);		//卸载多媒体时钟
	timeEndPeriod(wacc);		
	KillTimer(mtimer);	//卸载计时器
	husb=CloseUA300(husb);
	CDialog::OnCancel();
}

void CSampleDlg::drawpoly()
{
	
	CDC *pDC;
	pDC=GetDC();
	CRect rect(20,20,546,220);
	int leftmidx=20,leftmidy=120;
	int rightmidx=546,rightmidy=120;
	pDC->SelectStockObject(BLACK_BRUSH);
	pDC->Rectangle(rect);
	POINT point2[2]={{leftmidx,leftmidy},{rightmidx,rightmidy}};
	//POINT datapoint[1024];
	POINT datapoint[512];

	CPen nextpen;
	nextpen.CreatePen(PS_SOLID,2,RGB(255,0,0));
	CPen* OldPen=pDC->SelectObject(&nextpen);
	pDC->Polyline(point2,2);

	//for(int i=0;i<=1024;i++){
	for(int i=0;i<512;i++){
		datapoint[i].y=(long)((120+(par[i]/(float)5)*(float)100));
		datapoint[i].x=(long)(20+i);
		//datapoint[i].x=(long)(20+i*0.5);
		
	}

	CPen pen;
	pen.CreatePen(PS_SOLID,0,RGB(0,255,0));
	CPen* pOldPen=pDC->SelectObject(&pen);	
	pDC->Polyline(datapoint,512);
	CString str;
	str.Format("%5d",jishu3);
	pDC->TextOut(400,30,str);
	ReleaseDC(pDC);
}

void CSampleDlg::OnTimer(UINT nIDEvent) 
{	
	jishu3=jishu2-jishu1;
	jishu2=0;
	CSampleDlg::drawpoly();	
}

void PASCAL OneMilliSecondProc(UINT wTimerID, 
							   UINT msg,
							   DWORD dwUser,
							   DWORD dwl,
							   DWORD dw2) 
{ 
	jishu2++;
	for(int i=0;i<511;i++)
	{	
		par[i]=par[i+1];		
	}
	par[511]=((ssad(husb,0,0)-2048)*0.002442);
//////////////////////////////////////////////////////////////
	/*ssinit(husb);
	coun=0;			// 单点采集初始化
	for(int i=0;i<1024;i++)
	{	
		par[coun]=((ssad(husb,0,0)-2048)*0.002442);
		coun++;
	}*/
////////////////////////////////////////////////////
	/*short int addat[1024];
	minit(husb,0,1,0); 
	readdata(husb, addat,60,1024);
	for(int i=0;i<1024;i++)
	{	
		par[i]=(double)((addat[i]-2048)*0.002442);
	}*/
/////////////////////////////////////////////////////
	/*short int addat[64];
	minit(husb,0,1,0); 
	readdata(husb, addat,60,64);
	for(int i=0;i<64;i++){
		for(int j=0;j<1022;j++){
			par[j]=par[j+1];
		}
	}
	int coun;
	coun=960;
	for(i=0;i<64;i++)
	{	
		par[coun]=(double)((addat[i]-2048)*0.002442);	
		coun++;
	}*/
	
/////////////////////////////////////////////////////
	/*short int addat[1024];
	minit2(husb,0,1,50,0);			// 多点采集初始化,0-7通道, 1KHz,倍数1
	readdata2(husb, addat,1024);           // 多点采集, 256点 
	for(int i=0;i<1024;i++){
      par[i]=(double)((addat[i]-2048)*0.002442);
	}*/
/////////////////////////////////////////////////
	

}