adopted ekf_interface.cpp

EKF/estimator_interface.cpp

@@ -206,11 +206,11 @@ void EstimatorInterface::setAirspeedData(uint64_t time_usec, float *data)
 		return;
 	}
 
-	if (time_usec > _time_last_airspeed) {
+	if (time_usec - _time_last_airspeed > 1000000) { //Limit the airspeed update rate to 1 Hz for now
 		airspeedSample airspeed_sample_new;
 		airspeed_sample_new.airspeed = *data;
 		airspeed_sample_new.time_us = time_usec - _params.airspeed_delay_ms * 1000;
-		airspeed_sample_new.time_us -= FILTER_UPDATE_PERRIOD_MS * 1000 / 2;
+		airspeed_sample_new.time_us -= FILTER_UPDATE_PERRIOD_MS * 1000 / 2; //typo PeRRiod
 		_time_last_airspeed = time_usec;
 
 		_airspeed_buffer.push(airspeed_sample_new);