#include <MIDI.h>

MIDI_CREATE_DEFAULT_INSTANCE();

// Define potentiometer pins
const int potPins[] = {34, 35, 32};
const int numPots = sizeof(potPins) / sizeof(potPins[0]);
int potValues[numPots];

// Define button pins
const int buttonPins[] = {25, 26, 27};
const int numButtons = sizeof(buttonPins) / sizeof(buttonPins[0]);
bool buttonStates[numButtons];

void setup() {
  Serial.begin(115200);
  MIDI.begin(MIDI_CHANNEL_OMNI);

  // Initialize potentiometer pins
  for (int i = 0; i < numPots; i++) {
    pinMode(potPins[i], INPUT);
  }

  // Initialize button pins
  for (int i = 0; i < numButtons; i++) {
    pinMode(buttonPins[i], INPUT_PULLUP);
  }
}

void loop() {
  // Read potentiometer values and send MIDI CC
  for (int i = 0; i < numPots; i++) {
    int value = analogRead(potPins[i]) / 8;  // Scale 0-4095 to 0-127
    if (value != potValues[i]) {
      potValues[i] = value;
      MIDI.sendControlChange(i + 1, value, 1);  // CC number, value, channel
    }
  }

  // Read button states and send MIDI CC
  for (int i = 0; i < numButtons; i++) {
    bool state = digitalRead(buttonPins[i]) == LOW;  // Button pressed
    if (state != buttonStates[i]) {
      buttonStates[i] = state;
      MIDI.sendControlChange(i + numPots + 1, state ? 127 : 0, 1);  // CC number, value, channel
    }
  }

  delay(10);  // Adjust delay as needed
}