cs-midi-docs/docs/examples/03-interfaces/11-midi-input-callback.md

MIDI Input Callback

Receive and handle incoming MIDI messages using the MIDI_Callbacks class.

Original: MIDI-Input.ino

#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include <cs_midi.h>

using namespace cs;

BluetoothMIDI_Interface midi;

struct MyMIDI_Callbacks : MIDI_Callbacks {
    void onChannelMessage(MIDI_Interface &, ChannelMessage msg) override {
        (void)msg;
    }
    void onSysExMessage(MIDI_Interface &, SysExMessage msg) override {
        (void)msg;
    }
    void onRealTimeMessage(MIDI_Interface &, RealTimeMessage msg) override {
        (void)msg;
    }
} callback;

int main() {
    stdio_init_all();
    if (cyw43_arch_init()) return 1;
    midi.begin();
    midi.setCallbacks(callback);
    while (true) {
        midi.update();
        sleep_ms(1);
    }
}