ESP32_BLEMIDI_IN.ino

//Arduino-BLE-MIDI Library
//https://github.com/lathoub/Arduino-BLE-MIDI

#include <BLEMIDI_Transport.h>
#include <hardware/BLEMIDI_ESP32.h>

BLEMIDI_CREATE_DEFAULT_INSTANCE()

void setup() {
  pinMode(12, OUTPUT);
  pinMode(14, OUTPUT);
  MIDI.begin();
}

void loop() {
  uint8_t data1;
  uint8_t data2;

  if (MIDI.read()) { //when get MIDI signal
    switch (MIDI.getType()) {
      case midi::NoteOn:
        data1 = MIDI.getData1(); //get note number
        data2 = MIDI.getData2(); //get velocity (this value is not used in this code.)
        if (data1 > 60) {
          digitalWrite(12, HIGH);
        } else {
          digitalWrite(14, HIGH);
        }
        break;
      case midi::NoteOff:
        data1 = MIDI.getData1(); //get note number
        data2 = MIDI.getData2(); //get velocity (this value is not used in this code.)
        if (data1 > 60) {
          digitalWrite(12, LOW);
        } else {
          digitalWrite(14, LOW);
        }
        break;
    }
  }
}