cs-midi-docs/docs/examples/01-output/10-cc-button-latching.md

CCButtonLatching

CC 127 while held, CC 0 on release; toggles state.

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

using namespace cs;

BluetoothMIDI_Interface midi;

CCButtonLatching button {
    5,
    {MIDI_CC::General_Purpose_Controller_1, Channel_1},
};

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