lights.ino

#include "cocotouch.h"
#include <Adafruit_NeoPixel.h>
#include <avr/power.h>

#define PIN            5

#define NUMPIXELS     60

CocoTouch touch;
uint8_t touchstates[12];
uint8_t index;

uint8_t notes[12] = {35, 38, 40, 42, 46, 43, 48, 47, 41, 51, 49, 52};

uint8_t colors[12][3] = {
  {231,52,106},
  {241,156,166},
  {232,194,85},
  {238,115,13},
  {237,220,77},
  {233,68,65},
  {195,217,78},
  {152,80,152},
  {45,116,187},
  {145,211,232},
  {200,109,68},
  {142,207,205},
};

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  if (!touch.begin()) { while(1){;} }
#if defined (__AVR_ATtiny85__)
  if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
#endif
 
  pixels.begin(); // This initializes the NeoPixel library.
  touch.setMIDIProgram(1, 0);
}

void loop() {
  for (uint8_t index = 0; index <= 11; index++) {
    if (touchstates[index] == 0 && touch.getTouched(index) == 1) {
      touch.playMIDINote(notes[index], 127, 0);
      touchstates[index] = 1;

      pixels.setPixelColor(index * 5, pixels.Color(colors[index][0],colors[index][1],colors[index][2]));
      pixels.setPixelColor(index * 5 + 1, pixels.Color(colors[index][0],colors[index][1],colors[index][2]));
      pixels.setPixelColor(index * 5 + 2, pixels.Color(colors[index][0],colors[index][1],colors[index][2]));
      pixels.setPixelColor(index * 5 + 3, pixels.Color(colors[index][0],colors[index][1],colors[index][2]));
      pixels.setPixelColor(index * 5 + 4, pixels.Color(colors[index][0],colors[index][1],colors[index][2]));
      
      pixels.show();
      
    } else if (touchstates[index] == 1 && touch.getTouched(index) == 0) {
      touchstates[index] = 0;

      pixels.setPixelColor(index, pixels.Color(0,0,0));
      pixels.setPixelColor(index * 5, pixels.Color(0,0,0));
      pixels.setPixelColor(index * 5 + 1, pixels.Color(0,0,0));
      pixels.setPixelColor(index * 5 + 2, pixels.Color(0,0,0));
      pixels.setPixelColor(index * 5 + 3, pixels.Color(0,0,0));
      pixels.setPixelColor(index * 5 + 4, pixels.Color(0,0,0));
      
      pixels.show();
    }
  }
}