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56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
#pragma once
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//
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// FILE: CountDown.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.3.2
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// PURPOSE: CountDown library for Arduino
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// URL: https://github.com/RobTillaart/CountDown
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#include "Arduino.h"
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#define COUNTDOWN_LIB_VERSION (F("0.3.2"))
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class CountDown
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{
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public:
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enum Resolution { MICROS = 'u', MILLIS = 'm', SECONDS = 's', MINUTES = 'M' };
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explicit CountDown(const enum Resolution res = MILLIS);
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void setResolution(const enum Resolution res = MILLIS);
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enum Resolution resolution() { return _res; };
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char getUnits();
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// one need to set the resolution before calling start(ticks).
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bool start(uint32_t ticks);
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// Implicit set resolution to SECONDS.
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bool start(uint8_t days, uint16_t hours, uint32_t minutes, uint32_t seconds);
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// Implicit set resolution to MINUTES.
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bool start(uint8_t days, uint16_t hours, uint32_t minutes);
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void stop();
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void cont();
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void restart();
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uint32_t remaining();
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bool isRunning();
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bool isStopped();
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private:
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enum State { RUNNING, STOPPED };
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uint32_t _ticks;
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uint32_t _remaining;
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enum State _state;
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enum Resolution _res;
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uint32_t _startTime;
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void calcRemaining();
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};
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// -- END OF FILE --
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