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25 lines
646 B
C++
25 lines
646 B
C++
#pragma once
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#include <Arduino.h>
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#define BUTTON_EVENT_NONE 0
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#define BUTTON_EVENT_CLICK 1
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#define BUTTON_EVENT_LONG_PRESS 2
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class MomentaryButton {
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int8_t _pin;
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int8_t prev, cancel;
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bool _reverse;
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int _long_millis;
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unsigned long down_at;
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bool isPressed(int level) const;
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public:
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MomentaryButton(int8_t pin, int long_press_mills=0, bool reverse=false);
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void begin(bool pulldownup=false);
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int check(bool repeat_click=false); // returns one of BUTTON_EVENT_*
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void cancelClick(); // suppress next BUTTON_EVENT_CLICK (if already in DOWN state)
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uint8_t getPin() { return _pin; }
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bool isPressed() const;
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};
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