fsfw/src/fsfw/timemanager/Countdown.cpp

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#include "fsfw/timemanager/Countdown.h"
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Countdown::Countdown(uint32_t initialTimeout): timeout(initialTimeout) {
}
Countdown::~Countdown() {
}
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ReturnValue_t Countdown::setTimeout(uint32_t milliseconds) {
ReturnValue_t returnValue = Clock::getUptime( &startTime );
timeout = milliseconds;
return returnValue;
}
bool Countdown::hasTimedOut() const {
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if ( uint32_t( this->getCurrentTime() - startTime) >= timeout) {
return true;
} else {
return false;
}
}
bool Countdown::isBusy() const {
return !hasTimedOut();
}
ReturnValue_t Countdown::resetTimer() {
return setTimeout(timeout);
}
void Countdown::timeOut() {
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startTime = this->getCurrentTime() - timeout;
}
uint32_t Countdown::getRemainingMillis() const {
// We fetch the time before the if-statement
// to be sure that the return is in
// range 0 <= number <= timeout
uint32_t currentTime = this->getCurrentTime();
if (this->hasTimedOut()){
return 0;
}else{
return (startTime + timeout) - currentTime;
}
}
uint32_t Countdown::getCurrentTime() const {
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uint32_t currentTime;
Clock::getUptime( &currentTime );
return currentTime;
}