#include <Plaquette.h>

const float PWN_WAVE_FREQUENCY = 100.0f; // 100Hz
const float PWN_WAVE_PERIOD = 1.0F / PWN_WAVE_FREQUENCY;
const int N_LEDS = 8;

AnalogIn pot(A0);

DigitalOut leds[] = { 2, 3, 4, 5, 6, 7, 8, 9 };

SquareWave waves[] = { PWN_WAVE_PERIOD, PWN_WAVE_PERIOD, PWN_WAVE_PERIOD, PWN_WAVE_PERIOD, 
                       PWN_WAVE_PERIOD, PWN_WAVE_PERIOD, PWN_WAVE_PERIOD, PWN_WAVE_PERIOD };

TriangleWave oscillator(1.0, 0);

Metronome metroPotUpdate(0.1);

void begin() {
}

void step() {
  if (metroPotUpdate) {
    oscillator.period(pot.mapTo(5, 0.2));
    for (int i=0; i<N_LEDS; i++) {
      float value = oscillator.shiftBy(mapTo01(i, 0, N_LEDS-1));
      waves[i].width(value);
    }
  }

  for (int i=0; i<N_LEDS; i++) {
    waves[i] >> leds[i];
  }
}