www.gusucode.com > VC++时间函数及算法,收集一些高精度定时的源码程序 > VC++时间函数及算法,收集一些高精度定时的源码程序\code\Multi_TimerDlg.cpp
// Multi_TimerDlg.cpp : implementation file // Download by http://www.NewXing.com #include "stdafx.h" #include "Multi_Timer.h" #include "Multi_TimerDlg.h" #include <sys/timeb.h> #include <time.h> #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif UINT wTimerRes_1ms;//定义时间间隔 UINT wAccuracy;//定义分辨率 UINT TimerID_1ms,TimerID1_1ms;//定义定时器句柄 UINT ShowTime3_1_Proc(LPVOID lParam); //声明定时器函数 UINT ShowTime4_1_Proc(LPVOID lParam); //声明定时器函数 UINT ShowTime5_1_Proc(LPVOID lParam); //声明定时器函数 UINT ShowTime6_1_Proc(LPVOID lParam); //声明定时器函数 void PASCAL OneMilliSecondProc(UINT wTimerID, UINT msg,DWORD dwUser,DWORD dwl,DWORD dw2); //声明回调函数 void PASCAL OneMilliSecondProc1(UINT wTimerID, UINT msg,DWORD dwUser,DWORD dwl,DWORD dw2);//声明回调函数 ///////////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CMulti_TimerDlg dialog CMulti_TimerDlg::CMulti_TimerDlg(CWnd* pParent /*=NULL*/) : CDialog(CMulti_TimerDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMulti_TimerDlg) timer1=1; Sum=0; m_strTime = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); wTimerRes_1ms=ONE_MILLI_SECOND;// 给时间间隔变量赋值 TIMECAPS tc; //利用函数timeGetDevCaps取出系统分辨率的取值范围,如果无错则继续 if(timeGetDevCaps(&tc,sizeof(TIMECAPS))==TIMERR_NOERROR) { // 分辨率的值不能超出系统的取值范围 wAccuracy=min(max(tc.wPeriodMin,TIMER_ACCURACY),tc.wPeriodMax); //调用timeBeginPeriod函数设置定时器的分辨率 timeBeginPeriod(wAccuracy); } } CMulti_TimerDlg::~CMulti_TimerDlg() { timeKillEvent(TimerID_1ms); timeEndPeriod(wAccuracy); } void CMulti_TimerDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMulti_TimerDlg) DDX_Text(pDX, IDC_EDIT2, m_strTime); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CMulti_TimerDlg, CDialog) //{{AFX_MSG_MAP(CMulti_TimerDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTTON_TIME1, OnButtonTime1) ON_WM_TIMER() ON_BN_CLICKED(IDC_BUTTON_TIME2, OnButtonTime2) ON_BN_CLICKED(IDC_BUTTON_TIME3, OnButtonTime3) ON_BN_CLICKED(IDC_BUTTON_TIME4, OnButtonTime4) ON_BN_CLICKED(IDC_BUTTON_TIME3_1, OnButtonTime31) ON_BN_CLICKED(IDC_BUTTON_TIME4_1, OnButtonTime41) ON_BN_CLICKED(IDC_BUTTON_TIME5, OnButtonTime5) ON_BN_CLICKED(IDC_BUTTON_TIME5_1, OnButtonTime51) ON_BN_CLICKED(IDC_BUTTON_TIME6, OnButtonTime6) ON_BN_CLICKED(IDC_BUTTON_TIME7, OnButtonTime7) ON_BN_CLICKED(IDC_BUTTON_TIME7_1, OnButtonTime71) ON_BN_CLICKED(IDC_BUTTON_TIME7_2, OnButtonTime72) ON_BN_CLICKED(IDC_BUTTON_TIME7_3, OnButtonTime73) ON_BN_CLICKED(IDC_ABOUT, OnAbout) ON_BN_CLICKED(IDC_BUTTON_TIME6_1, OnButtonTime61) //}}AFX_MSG_MAP ON_MESSAGE(WM_UPDATETIME1,OnUpdateTime1) ON_MESSAGE(WM_UPDATETIME2,OnUpdateTime2) ON_MESSAGE(WM_UPDATETIME3,OnUpdateTime3) ON_MESSAGE(WM_UPDATETIME4,OnUpdateTime4) ON_MESSAGE(WM_UPDATETIME5,OnUpdateTime5) ON_MESSAGE(WM_UPDATETIME6,OnUpdateTime6) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMulti_TimerDlg message handlers BOOL CMulti_TimerDlg::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 CMulti_TimerDlg::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 CMulti_TimerDlg::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 CMulti_TimerDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CMulti_TimerDlg::OnButtonTime1() { int iInstallReFlag; iInstallReFlag=SetTimer(timer1,100,NULL);//定时100ms if(iInstallReFlag==0) { MessageBox("Can not install timer!"); } } void CMulti_TimerDlg::OnTimer(UINT nIDEvent) { if(nIDEvent==(UINT)timer1) { Sum++; SetDlgItemInt(IDC_EDIT1,Sum,true); if(Sum==100) { KillTimer(timer1); MessageBox("Sum每隔100ms自加1次,一共自加100次已完成!"); Sum=0; } } CDialog::OnTimer(nIDEvent); } void CMulti_TimerDlg::OnButtonTime2() { Sleep(200); MessageBox("200ms延时已到!"); } void CMulti_TimerDlg::OnButtonTime3() { int time_Over; COleDateTime Start_time = COleDateTime::GetCurrentTime(); COleDateTimeSpan End_time = COleDateTime::GetCurrentTime()-Start_time; time_Over=(int)End_time.GetTotalSeconds(); while(time_Over<3) //实现延时4秒 { MSG msg; GetMessage(&msg,NULL,0,0); TranslateMessage(&msg); DispatchMessage(&msg); //以上四行是实现在延时或定时期间能处理其他的消息,虽然这样可以降低CPU的占有率, //但降低了延时或定时精度,实际应用中可以去掉。 End_time = COleDateTime::GetCurrentTime()-Start_time; time_Over=(int)End_time.GetTotalSeconds(); }//这样在延时的时候我们也能够处理其他的消息。 SetDlgItemInt(IDC_EDIT2,time_Over,true); MessageBox("3s延时已到!"); } void CMulti_TimerDlg::OnButtonTime31() { AfxBeginThread(ShowTime3_1_Proc,this);//开启定时器 } UINT ShowTime3_1_Proc(LPVOID lParam) { CMulti_TimerDlg* pDlg = (CMulti_TimerDlg*)lParam; while(true) { COleDateTime Start_time = COleDateTime::GetCurrentTime(); COleDateTimeSpan End_time = COleDateTime::GetCurrentTime()-Start_time; ::SendMessage(pDlg->m_hWnd,WM_UPDATETIME1,0,0); while(End_time.GetTotalSeconds()<1) //实现延时1秒 { End_time = COleDateTime::GetCurrentTime()-Start_time; } } return 0; } void CMulti_TimerDlg::OnUpdateTime1() { struct _timeb timebuffer; char *timeline; //获得毫秒级的时间 _ftime( &timebuffer ); timeline = ctime(&(timebuffer.time)); //格式化时间 m_strTime.Format("当前时间是:%.19s %s", timeline, &timeline[20]); UpdateData(FALSE); } void CMulti_TimerDlg::OnButtonTime4() { SetDlgItemInt(IDC_EDIT3,0,true); DWORD dwStart = GetTickCount(); DWORD dwEnd = dwStart; do { MSG msg; GetMessage(&msg,NULL,0,0); TranslateMessage(&msg); DispatchMessage(&msg); //以上四行是实现在延时或定时期间能处理其他的消息,虽然这样可以降低CPU的占有率, //但降低了延时或定时精度,实际应用中可以去掉,去掉后误差降低。 dwEnd = GetTickCount()- dwStart; } while(dwEnd <50); SetDlgItemInt(IDC_EDIT3,(dwEnd-50),true); MessageBox("50ms延时已到,其误差为文本框中的值!"); } void CMulti_TimerDlg::OnButtonTime41() { AfxBeginThread(ShowTime4_1_Proc,this);//开启定时器 } UINT ShowTime4_1_Proc(LPVOID lParam) { CMulti_TimerDlg* pDlg = (CMulti_TimerDlg*)lParam; DWORD dwStart, dwStop; dwStop = GetTickCount();// 起始值和终止值 while(TRUE) { dwStart = dwStop;// 上一次的终止值变成新的起始值 ::SendMessage(pDlg->m_hWnd,WM_UPDATETIME2,0,0);//发送消息通知对话框该更新时间了 do { dwStop = GetTickCount(); }while(dwStop-10<dwStart); } return 0; } void CMulti_TimerDlg::OnUpdateTime2() { struct _timeb timebuffer; char *timeline; //获得毫秒级的时间 _ftime( &timebuffer ); timeline = ctime(&(timebuffer.time)); //格式化时间 CString m_Str; m_Str.Format("%.19s.%hu %s", timeline, timebuffer.millitm, &timeline[20]); SetDlgItemText(IDC_EDIT3,m_Str); } void CMulti_TimerDlg::OnButtonTime5() { SetDlgItemInt(IDC_EDIT4,0,true); DWORD dwStart = timeGetTime(); DWORD dwEnd = dwStart; do { dwEnd = timeGetTime()- dwStart; } while(dwEnd <120); SetDlgItemInt(IDC_EDIT4,(dwEnd-120),true); MessageBox("120ms延时已到,其误差为文本框中的值!"); } void CMulti_TimerDlg::OnButtonTime51() { AfxBeginThread(ShowTime5_1_Proc,this);//开启定时器 } UINT ShowTime5_1_Proc(LPVOID lParam) { CMulti_TimerDlg* pDlg = (CMulti_TimerDlg*)lParam; DWORD dwStart, dwStop; dwStop = timeGetTime();// 起始值和终止值 while(TRUE) { dwStart = dwStop;// 上一次的终止值变成新的起始值 ::SendMessage(pDlg->m_hWnd,WM_UPDATETIME3,0,0);//发送消息通知对话框该更新时间了 do { dwStop = timeGetTime(); }while(dwStop-10<dwStart); } return 0; } void CMulti_TimerDlg::OnUpdateTime3() { struct _timeb timebuffer; char *timeline; //获得毫秒级的时间 _ftime( &timebuffer ); timeline = ctime(&(timebuffer.time)); //格式化时间 CString m_Str; m_Str.Format("%.19s.%hu %s", timeline, timebuffer.millitm, &timeline[20]); SetDlgItemText(IDC_EDIT4,m_Str); } void CMulti_TimerDlg::OnButtonTime6() { TimerID_1ms = timeSetEvent(wTimerRes_1ms, wAccuracy, (LPTIMECALLBACK) OneMilliSecondProc, (DWORD)this,TIME_ONESHOT); } void PASCAL OneMilliSecondProc(UINT wTimerID, UINT msg,DWORD dwUser,DWORD dwl,DWORD dw2) { CMulti_TimerDlg *timer =(CMulti_TimerDlg *)dwUser; timer->SendMessage(WM_UPDATETIME4,0,0); //timeKillEvent(TimerID_1ms); //AfxMessageBox("在此回调函数中安排需要执行的任务"); } void CMulti_TimerDlg::OnUpdateTime4() { struct _timeb timebuffer; char *timeline; //获得毫秒级的时间 _ftime( &timebuffer ); timeline = ctime(&(timebuffer.time)); //格式化时间 CString m_Str; m_Str.Format("%.19s.%hu %s", timeline, timebuffer.millitm, &timeline[20]); SetDlgItemText(IDC_EDIT5,m_Str); } void CMulti_TimerDlg::OnButtonTime61() { TimerID1_1ms = timeSetEvent(wTimerRes_1ms, wAccuracy, (LPTIMECALLBACK) OneMilliSecondProc1, (DWORD)this,TIME_PERIODIC); } void PASCAL OneMilliSecondProc1(UINT wTimerID, UINT msg,DWORD dwUser,DWORD dwl,DWORD dw2) { CMulti_TimerDlg *timer =(CMulti_TimerDlg *)dwUser; timer->SendMessage(WM_UPDATETIME5,0,0); // timeKillEvent(TimerID1_1ms); // AfxMessageBox("在此回调函数中安排需要周期性执行的任务"); } void CMulti_TimerDlg::OnUpdateTime5() { struct _timeb timebuffer; char *timeline; //获得毫秒级的时间 _ftime( &timebuffer ); timeline = ctime(&(timebuffer.time)); //格式化时间 CString m_Str; m_Str.Format("%.19s.%hu %s", timeline, timebuffer.millitm, &timeline[20]); SetDlgItemText(IDC_EDIT5,m_Str); } void CMulti_TimerDlg::OnButtonTime7() { LARGE_INTEGER litmp; LONGLONG QPart1,QPart2;; double dfMinus, dfFreq, dfTim; QueryPerformanceFrequency(&litmp); dfFreq = (double)litmp.QuadPart; // 获得计数器的时钟频率 QueryPerformanceCounter(&litmp); QPart1 = litmp.QuadPart; // 获得初始值 do{ QueryPerformanceCounter(&litmp); QPart2 = litmp.QuadPart;// 获得中止值 dfMinus = (double)(QPart2-QPart1); dfTim = dfMinus / dfFreq; // 获得对应的时间值,单位为秒 }while(dfTim<0.001); CString str1; str1.Format("%.12f",(dfTim-0.001)*1000); SetDlgItemText(IDC_EDIT6,str1); MessageBox("1ms延时已到,其误差为文本框中的值,单位为ms!"); } void CMulti_TimerDlg::OnButtonTime71() { LARGE_INTEGER litmp; LONGLONG QPart1,QPart2;; double dfMinus, dfFreq, dfTim; QueryPerformanceFrequency(&litmp); dfFreq = (double)litmp.QuadPart; // 获得计数器的时钟频率 QueryPerformanceCounter(&litmp); QPart1 = litmp.QuadPart; // 获得初始值 do{ QueryPerformanceCounter(&litmp); QPart2 = litmp.QuadPart;// 获得中止值 dfMinus = (double)(QPart2-QPart1); dfTim = dfMinus / dfFreq; // 获得对应的时间值,单位为秒 }while(dfTim<0.000001); CString str1; str1.Format("%.12f",(dfTim-0.000001)*1000000); SetDlgItemText(IDC_EDIT6,str1); MessageBox("1微妙延时已到,其误差为文本框中的值,单位为微妙!"); } void CMulti_TimerDlg::OnButtonTime72() { LARGE_INTEGER litmp; LONGLONG QPart1,QPart2; double dfMinus, dfFreq, dfTim; QueryPerformanceFrequency(&litmp); QueryPerformanceFrequency(&litmp); dfFreq = (double)litmp.QuadPart; // 获得计数器的时钟频率 QueryPerformanceCounter(&litmp); QPart1 = litmp.QuadPart; // 获得初始值 Sleep(100); QueryPerformanceCounter(&litmp); QPart2 = litmp.QuadPart;// 获得中止值 dfMinus = (double)(QPart2-QPart1); dfTim = dfMinus / dfFreq; // 获得对应的时间值,单位为秒 CString str2; str2.Format("%.12f",(dfTim*1000-100)); SetDlgItemText(IDC_EDIT7,str2); MessageBox("由于Sleep()函数自身的误差,程序每次执行的结果都会有微小误差,其误差为文本框中的值,单位为ms!"); } void CMulti_TimerDlg::OnButtonTime73() { AfxBeginThread(ShowTime6_1_Proc,this);//开启定时器 } UINT ShowTime6_1_Proc(LPVOID lParam) { CMulti_TimerDlg* pDlg = (CMulti_TimerDlg*)lParam; LARGE_INTEGER litmp; LONGLONG QPart1,QPart2;; double dfMinus, dfFreq, dfTim; QueryPerformanceFrequency(&litmp); dfFreq = (double)litmp.QuadPart; // 获得计数器的时钟频率 QueryPerformanceCounter(&litmp); QPart1 = litmp.QuadPart; // 获得初始值 QPart2=QPart1; while(TRUE) { QPart1 = QPart2;// 上一次的终止值变成新的起始值 ::SendMessage(pDlg->m_hWnd,WM_UPDATETIME6,0,0);//发送消息通知对话框该更新时间了 do{ QueryPerformanceCounter(&litmp); QPart2 = litmp.QuadPart;// 获得中止值 dfMinus = (double)(QPart2-QPart1); dfTim = dfMinus / dfFreq; // 获得对应的时间值,单位为秒 }while(dfTim<0.000001); } return 0; } void CMulti_TimerDlg::OnUpdateTime6() { struct _timeb timebuffer; char *timeline; //获得毫秒级的时间 _ftime( &timebuffer ); timeline = ctime(&(timebuffer.time)); //格式化时间 CString m_Str; m_Str.Format("%.19s.%hu %s", timeline, timebuffer.millitm, &timeline[20]); SetDlgItemText(IDC_EDIT8,m_Str); } void CMulti_TimerDlg::OnAbout() { CAboutDlg dlg; dlg.DoModal(); }