D03
gpios_vector[&(D03) - &all_descriptors[0]] = YOGA_D03_pin_nr;
gpiod_direction_output(D03, 1);
gpiod_set_value(D03, !(byte & 0x04));
ret |= gpiod_get_value(D03) << 2;
gpiod_direction_input(D03);