uint16_t ao_serial_number;
int16_t ao_flight_number;
-extern uint16_t ao_sample_tick;
+extern AO_TICK_TYPE ao_sample_tick;
#if HAS_BARO
extern alt_t ao_sample_height;
double ao_sample_qangle;
-int ao_sample_prev_tick;
-uint16_t prev_tick;
+AO_TICK_TYPE ao_sample_prev_tick;
+AO_TICK_TYPE prev_tick;
#include "ao_kalman.c"