55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
/**
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* @file
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* @author Marek Bel
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*/
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#ifndef TIMER_H
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#define TIMER_H
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/**
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* @brief simple timer
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*
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* Simple and memory saving implementation. Should handle timer register wrap around well.
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* Resolution is one millisecond. To save memory, doesn't store timer period.
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* If you wish timer which is storing period, derive from this.
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*/
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template <class T>
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class Timer
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{
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public:
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Timer();
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void start();
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void stop(){m_isRunning = false;}
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bool running()const {return m_isRunning;}
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bool expired(T msPeriod);
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T elapsed();
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protected:
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T started()const {return m_started;}
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private:
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bool m_isRunning;
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T m_started;
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};
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/**
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* @brief Timer unsigned long specialization
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*
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* Maximum period is at least 49 days.
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*/
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#if __cplusplus>=201103L
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using LongTimer = Timer<unsigned long>;
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#else
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typedef Timer<unsigned long> LongTimer;
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#endif
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/**
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* @brief Timer unsigned short specialization
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*
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* Maximum period is at least 65 seconds.
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*/
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#if __cplusplus>=201103L
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using ShortTimer = Timer<unsigned short>;
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#else
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typedef Timer<unsigned short> ShortTimer;
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#endif
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#endif /* TIMER_H */
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