fsfw/src/fsfw/timemanager/Countdown.cpp

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#include "fsfw/timemanager/Countdown.h"
Countdown::Countdown(uint32_t initialTimeout, bool startImmediately) : timeout(initialTimeout) {
if (startImmediately) {
setTimeout(initialTimeout);
} else {
timeout = initialTimeout;
}
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}
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Countdown::~Countdown() {}
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ReturnValue_t Countdown::setTimeout(uint32_t milliseconds) {
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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;
}
}
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bool Countdown::isBusy() const { return !hasTimedOut(); }
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ReturnValue_t Countdown::resetTimer() { return setTimeout(timeout); }
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void Countdown::timeOut() { startTime = this->getCurrentTime() - timeout; }
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uint32_t Countdown::getRemainingMillis() const {
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// 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;
}
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}
uint32_t Countdown::getCurrentTime() const {
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uint32_t currentTime;
Clock::getUptime(&currentTime);
return currentTime;
}