-extern int32_t ao_tracker_start_latitude;
-extern int32_t ao_tracker_start_longitude;
-extern int16_t ao_tracker_start_altitude;
-
-#define AO_TRACKER_RING 4
-
-struct ao_tracker_data {
- uint16_t tick;
- uint8_t new;
- uint8_t state;
- struct ao_telemetry_location gps_data;
- struct ao_telemetry_satellite gps_tracking_data;
-};
-
-extern struct ao_tracker_data ao_tracker_data[AO_TRACKER_RING];
-extern uint8_t ao_tracker_head;
-
-#define ao_tracker_ring_next(n) (((n) + 1) & (AO_TRACKER_RING-1))
-#define ao_tracker_ring_prev(n) (((n) - 1) & (AO_TRACKER_RING-1))