+/*
+ * GPS
+ */
+
+#define AO_SERIAL_SPEED_UBLOX AO_SERIAL_SPEED_9600
+
+#define ao_gps_getchar ao_serial3_getchar
+#define ao_gps_putchar ao_serial3_putchar
+#define ao_gps_set_speed ao_serial3_set_speed
+#define ao_gps_fifo (ao_stm_usart3.rx_fifo)
+