printf("device: %d\n", ao_companion_setup.board_id);
printf("update period: %d\n", ao_companion_setup.update_period);
printf("channels: %d\n", ao_companion_setup.channels);
printf("device: %d\n", ao_companion_setup.board_id);
printf("update period: %d\n", ao_companion_setup.update_period);
printf("channels: %d\n", ao_companion_setup.channels);