#include <MIDI.h>

const int buttonPins[] = {13, 12, 11, 10, 9, 8, 7, 6, 19, 20, 21, };


bool buttonState[32];
bool lastButtonState[32];


MIDI_CREATE_DEFAULT_INSTANCE();

void setup() {

  for (int i = 0; i < 32; i++) {
    pinMode(buttonPins[i], INPUT_PULLUP);
  }


  //MIDI.begin(MIDI_CHANNEL_OMNI);

  Serial.begin(9600);
  Serial.println("Holi");
  delay(1000);
}

void loop() {
  
  for (int i = 0; i < 32; i++) {
    buttonState[i] = digitalRead(buttonPins[i]); 

   
    if (buttonState[i] != lastButtonState[i]) {
      if (buttonState[i] == 0) {
        //MIDI.sendNoteOn(60 + i, 127, 1); 
        Serial.print("Botón ");
        Serial.print(i + 1);
        Serial.println(": Note On");
      } else {
        //MIDI.sendNoteOff(60 + i, 0, 1); 
        Serial.print("Botón ");
        Serial.print(i + 1);
        Serial.println(": Note Off");
      }
      
    }
    lastButtonState[i] = buttonState[i];
  }

 
  delay(10);
}