-__data enum flight_state ao_flight_state; /* current flight state */
-__data uint16_t ao_flight_tick; /* time of last data */
-__data int16_t ao_flight_accel; /* filtered acceleration */
-__data int16_t ao_flight_pres; /* filtered pressure */
-__data int16_t ao_ground_pres; /* startup pressure */
-__data int16_t ao_ground_accel; /* startup acceleration */
-__data int16_t ao_min_pres; /* minimum recorded pressure */
-__data uint16_t ao_launch_time; /* time of launch detect */
-__data int16_t ao_main_pres; /* pressure to eject main */
+__pdata enum flight_state ao_flight_state; /* current flight state */
+__pdata uint16_t ao_flight_tick; /* time of last data */
+__pdata int16_t ao_flight_accel; /* filtered acceleration */
+__pdata int16_t ao_flight_pres; /* filtered pressure */
+__pdata int16_t ao_ground_pres; /* startup pressure */
+__pdata int16_t ao_ground_accel; /* startup acceleration */
+__pdata int16_t ao_min_pres; /* minimum recorded pressure */
+__pdata uint16_t ao_launch_time; /* time of launch detect */
+__pdata int16_t ao_main_pres; /* pressure to eject main */