WSeries_Calibration/QtCameraHardWareCopilot/Timer.cpp

#include "Timer.h"
#include <iostream> 
using namespace std;
TimerCounter::TimerCounter(void)
{
	QueryPerformanceFrequency(&freq);//获取主机CPU时钟频率
}
TimerCounter::~TimerCounter(void)
{
}
void TimerCounter::Start()
{
	QueryPerformanceCounter(&startCount);//开始计时
}

void TimerCounter::Stop()
{
	QueryPerformanceCounter(&endCount);//停止计时

	dbTime = (((double)endCount.QuadPart - (double)startCount.QuadPart) / (double)freq.QuadPart)*1000;//获取时间差
}

void TimerCounter::Continue()
{
	QueryPerformanceCounter(&endCount);

	dbContinueTime += (((double)endCount.QuadPart - (double)startCount.QuadPart) / (double)freq.QuadPart) * 1000;//获取时间差 

	startCount.QuadPart = endCount.QuadPart;

}

double TimerCounter::GetTime()
{
	return dbTime;
}