ButtonReader.cpp

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#include <Arduino.h>
#include "ButtonReader.h"
 
ButtonReader::ButtonReader(uint8_t pin_btn, const VoltLadder *voltLadder) : voltLadder(*voltLadder), pin_btn(pin_btn) {}
 
void ButtonReader::sample() {
    Buttons state = voltLadder.voltageToButton(analogRead(pin_btn));
    if (state != lastState) {
        lastState = state;
        pressedSince = micros();
    }
}
 
Buttons ButtonReader::isPressed() const {
    return lastState;
}
 
uint32_t ButtonReader::getPressedFor() const {
    return micros() - pressedSince;
}