cs-midi-docs/docs/examples/01-output/07-note-buttons.md

NoteButtons

Multiple note buttons with sequential addresses.

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

using namespace cs;

BluetoothMIDI_Interface midi;

NoteButtons<4> buttons {
    {2, 3, 4, 5},                  // GPIO pins
    {MIDI_Notes::C[4], Channel_1}, // base address
    1,                             // increment between addresses
};

int main() {
    stdio_init_all();
    if (cyw43_arch_init()) return 1;
    Control_Surface.begin();
    while (true) {
        Control_Surface.loop();
        sleep_ms(1);
    }
}