37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
#ifndef Button_h
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#define Button_h
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#include "Arduino.h"
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class Button
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{
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public:
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void init(uint8_t pin, int offState = HIGH, bool usePullUp = true);
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void update(unsigned long referenceTime = 0);
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void block() { if (lastState != offState) blocked = true; }
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bool changed() { return !blocked && lastChanged; }
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bool pressed() { return !blocked && lastState != offState; }
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unsigned long pressedMillis(unsigned long referenceTime = 0) { return getTime(referenceTime) - lastPressedTime; }
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unsigned long getDebounceMillis() { return debounceMillis; }
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void setDebounceMillis(unsigned long value) { debounceMillis = value; }
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protected:
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inline unsigned long getTime(unsigned long referenceTime) { return referenceTime == 0 ? millis() : referenceTime; };
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private:
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uint8_t pin = 1;
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int offState = HIGH;
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unsigned long debounceMillis = 50;
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unsigned long lastChangedTime = 0;
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unsigned long lastPressedTime = 0;
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int lastState;
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bool lastChanged;
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bool blocked = false;
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};
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#endif |