enum bufferHeaders
{//output_input
    void_void = 0x0003010000,
    output_void = 0x00030B8000,
    void_input = 0x0006010000,
    led_on = 0xff1A01,
    led_off = 0x001A01,
};

enum bufferHeaders : int
{
    // ToDo - your values here
};