Teensy <-> ESP32間のMIDI通信

ESP32でBLE-MIDIを使い、Teensyに丸投げ、丸受けすることでTeensyをBLE-MIDIデバイスのように扱う。双方のデバイスでSerialをMIDIとして使えるように設定 (MIDI.begin()) した後で通信速度を上げている。

ESP32側

BLEMIDI_CREATE_INSTANCE("TWV2000M", MIDI);
MIDI_CREATE_INSTANCE(HardwareSerial, Serial2, midiB);

void setup()
{
    midiB.begin();
    Serial2.begin (1500000, SERIAL_8N1, RXD2, TXD2);

    MIDI.begin();

    MIDI.setHandleNoteOn([](byte channel, byte note, byte velocity) {
        midiB.sendNoteOn (note, velocity, channel);
    });

    MIDI.setHandleNoteOff([](byte channel, byte note, byte velocity) {
        midiB.sendNoteOff (note, velocity, channel);
    });

    MIDI.setHandleControlChange ([](byte channel, byte number, byte value) {
        midiB.sendControlChange (number, value, channel);
    });

    MIDI.setHandleProgramChange ([](byte channel, byte number){
        midiB.sendProgramChange (number, channel);

    });

    MIDI.setHandleAfterTouchChannel ([](byte value, byte channel){
        midiB.sendAfterTouch(value, channel);
    });
}

void loop() {
  MIDI.read();
}

Teensy側

MIDI_CREATE_INSTANCE(HardwareSerial, Serial4, midiB);

void setup()
{
    midiB.begin (MIDI_CHANNEL_OMNI);
    Serial4.begin (1500000);

    midiB.setHandleNoteOn (onNoteOn);
    midiB.setHandleNoteOff (onNoteOff);
    midiB.setHandleControlChange (onControlChange);
    midiB.setHandlePitchBend (onPitchBend);
    midiB.setHandleSystemExclusive (onSysex);
    midiB.setHandleProgramChange (onProgramChange);
}