tone-generator/indicator.cpp

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

constexpr int PIN = 9;

void indicator::init() {
	pinMode(PIN+0, OUTPUT);
	pinMode(PIN+1, OUTPUT);
}

void indicator::reset() {
	analogWrite(PIN+0, 0);
	analogWrite(PIN+1, 0);
}

void indicator::update() {
    unsigned v[2] = {2};
    for(int i = 0; i < tones::active; i++) {
      v[i % 2] += tones::all[i].amplitude;
    }
    analogWrite(PIN+0, min(v[0], 255));
    analogWrite(PIN+1, min(v[1], 255));
}