fsfw/timemanager/Countdown.cpp

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/**
* @file Countdown.cpp
* @brief This file defines the Countdown class.
* @date 21.03.2013
* @author baetz
*/
#include <framework/timemanager/Countdown.h>
Countdown::Countdown(uint32_t initialTimeout) : startTime(0), timeout(initialTimeout) {
}
Countdown::~Countdown() {
}
ReturnValue_t Countdown::setTimeout(uint32_t miliseconds) {
ReturnValue_t return_value = Clock::getUptime( &startTime );
timeout = miliseconds;
return return_value;
}
bool Countdown::hasTimedOut() const {
uint32_t current_time;
Clock::getUptime( &current_time );
if ( uint32_t(current_time - startTime) >= timeout) {
return true;
} else {
return false;
}
}
bool Countdown::isBusy() const {
return !hasTimedOut();
}
ReturnValue_t Countdown::resetTimer() {
return setTimeout(timeout);
}
void Countdown::timeOut() {
uint32_t current_time;
Clock::getUptime( &current_time );
startTime= current_time - timeout;
}