54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
#ifndef __taster_H__
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#define __taster_H__
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#include <Arduino.h>
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#include <FunctionalInterrupt.h>
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class taster
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{
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private:
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volatile const unsigned long _BOUNCING_TIME_MS = 200;
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volatile unsigned long _last_pressed;
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size_t _taster_pin;
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volatile unsigned long _number_pressed;
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unsigned long _number_checked;
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void IRAM_ATTR _taster_int()
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{
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if(millis()-_last_pressed > _BOUNCING_TIME_MS)
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{
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_last_pressed = millis();
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_number_pressed += 1;
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}
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}
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public:
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taster(size_t pin);
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~taster();
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bool pressed();
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};
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taster::taster(size_t pin)
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{
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_taster_pin = pin;
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_number_pressed = 0;
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_number_checked = 0;
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_last_pressed = 0;
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pinMode(_taster_pin, INPUT_PULLUP);
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attachInterrupt(_taster_pin, std::bind(&taster::_taster_int,this), FALLING);
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}
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taster::~taster()
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{
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detachInterrupt(_taster_pin);
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}
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bool taster::pressed() {
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if (_number_pressed != _number_checked)
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{
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_number_checked = _number_pressed;
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return true;
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}
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return false;
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}
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#endif |