23 lines
363 B
C++
23 lines
363 B
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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private:
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uint8_t btn;
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uint16_t state;
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public:
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void begin(uint8_t button) {
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btn = button;
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state = 0;
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pinMode(btn, INPUT_PULLUP);
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}
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bool pressed() {
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state = (state<<1) | digitalRead(btn) | 0xfe00;
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return (state == 0xff00);
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}
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};
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#endif
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