tone-generator/indicator.cpp

#include <Arduino.h>
#include "indicator.hpp"
#include "tones.hpp"

constexpr int PIN = 10;

void indicator::init() {
	pinMode(PIN, OUTPUT);
}

void indicator::reset() {
	analogWrite(PIN, 0);
}

void indicator::update() {
    unsigned v = 0;
    for(int i = 0; i < tones::active; i++) {
      v += tones::all[i].amplitude;
    }
    analogWrite(PIN, min(v, 255));
}