63 lines
1.1 KiB
C++
63 lines
1.1 KiB
C++
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/*
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* Timer.cpp
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*
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* Created on: 20 <EFBFBD><EFBFBD><EFBFBD>. 2017 <EFBFBD>.
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* Author: titov
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*/
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#include "Timer.hh"
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float systemic::Timer::system_tick_frequency_khz = 0.0f;
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systemic::Timer::Timer() : state(off), time_stamp(0ull), time_delay(0ull) {}
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void systemic::Timer::start( time_t delay ) {
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time_stamp = std::clock();
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time_delay = delay * system_tick_frequency_khz;
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//todo memory-order
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state = active;
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}
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void systemic::Timer::stop() {
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state = off;
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}
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bool systemic::Timer::delayElapsed() const {
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if( state == active
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&& ( std::clock() - time_stamp ) >= time_delay ) {
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state = elapsed;
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}
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return state == elapsed;
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}
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bool systemic::Timer::delayFinished() {
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bool result = delayElapsed();
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if( result ) stop();
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return result;
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}
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bool systemic::Timer::isActive() const {
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return state != off;
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}
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void systemic::Timer::setSystemTickFrequency( unsigned long frequency ) {
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system_tick_frequency_khz = frequency / 1000.0f;
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}
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systemic::time_t systemic::seconds2time( float time_in_secods ) {
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return time_in_secods * 1000.0f;
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}
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float systemic::time2seconds( time_t time_ ) {
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return time_ * 0.001f;
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}
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