* visually inspect the system for correct operation
*/
static void
-ao_lco_display_test()
+ao_lco_display_test(void)
{
ao_mutex_get(&ao_lco_display_mutex);
ao_seven_segment_set(AO_LCO_PAD_DIGIT, 8 | 0x10);
}
#if DEBUG
-void
+static void
ao_lco_set_debug(void)
{
uint16_t r = ao_cmd_decimal();