timer1msdlg.cpp

AppWizard has created this ac1080 application for you. This file contains a summary of what you

// timer1msDlg.cpp : implementation file
//

#include "stdafx.h"
#include "timer1ms.h"
#include "timer1msDlg.h"
#include "conio.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()

/////////////////////////////////////////////////////////////////////////////
// CTimer1msDlg dialog

CTimer1msDlg::CTimer1msDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTimer1msDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTimer1msDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTimer1msDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTimer1msDlg)
	DDX_Control(pDX, IDC_EDIT3, m_edit3);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTimer1msDlg, CDialog)
	//{{AFX_MSG_MAP(CTimer1msDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnSetTimer)
	ON_BN_CLICKED(IDC_BUTTON2, OnKillTimer)
	ON_BN_CLICKED(IDC_BUTTON3, OnDisplyCount)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTimer1msDlg message handlers

BOOL CTimer1msDlg::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 CTimer1msDlg::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 CTimer1msDlg::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 CTimer1msDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
//-------------------- 定时器程序主要部分 ----------------------------------
#include "mmsystem.h"   //包含多媒体定时器函数的头文件
#pragma  comment (lib,"winmm.lib") //连接多媒体库
#define MilliSecond  1  //定时间隔1毫秒
#define Accuracy     1  //系统允许的分辨率最小值
#define Min(x,y)  ((x < y) ? x : y)
#define Max(x,y)  ((x > y) ? x : y)

UINT TimerID;    //定义定时器句柄
int count=0;       //定义一个变量以进行计数
int TimerAccuracy;
char temp[100];



void CALLBACK TimerCallProc(UINT TimerID, UINT msg, DWORD dwUser, DWORD dwa, DWORD dwb)  
//定义定时器事件的调用函数
{//TODO:此处可加入操作AD板的工作，将数据存储与一全局变量中；
 //     当数据取得一定量后，可发消息通知其他数据处理程序、线程读取
	int oo;
    count++;
	
}
	
void CTimer1msDlg::OnSetTimer() 
{
	// TODO: Add your control notification handler code here
	TIMECAPS timecaps;
    int TimerResolution;

 //从系统获得关于定时器服务能力的信息，
//分辨率不能超出系统许可值（1到16毫秒）
  if (timeGetDevCaps(&timecaps,sizeof(TIMECAPS))==TIMERR_NOERROR)
      TimerAccuracy=Min(Max(timecaps.wPeriodMin,Accuracy),timecaps.wPeriodMax);

    timeBeginPeriod(TimerAccuracy);  
//设置定时器分辨率
  
    TimerResolution=1;    //设置定时间隔为1毫秒

   //产生间隔1毫秒，周期执行的定时器事件；启动定时器
    TimerID = timeSetEvent(TimerResolution,TimerAccuracy,&TimerCallProc,1,TIME_PERIODIC);
}

void CTimer1msDlg::OnKillTimer() 
{
	// TODO: Add your control notification handler code here
	timeKillEvent(TimerID);        //删除定时器事件
    timeEndPeriod(TimerAccuracy);  //清除定时器分辨率
}

void CTimer1msDlg::OnDisplyCount() 
{
	// TODO: Add your control notification handler code here
	sprintf(temp,"%d",count);
	//显示在启动定时器后，进入定时器事件程序count次
	//此处可加入_inp等IO读写指令操作AD板，在定时器事件函数中程序应尽量短小
	m_edit3.SetWindowText (temp);
}


BOOL CTimer1msDlg::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	timeKillEvent(TimerID);        //删除定时器事件
    timeEndPeriod(TimerAccuracy);  //清除定时器分辨率
	return CDialog::DestroyWindow();
}