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Astyle: Run astyle to fix code formatting
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@@ -39,65 +39,65 @@
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*/
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#include "FixedwingLandDetector.h"
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#include <cmath>
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#include <drivers/drv_hrt.h>
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FixedwingLandDetector::FixedwingLandDetector() :
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_vehicleLocalPositionSub(-1),
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_vehicleLocalPosition({}),
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_airspeedSub(-1),
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_airspeed({}),
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_vehicleLocalPositionSub(-1),
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_vehicleLocalPosition({}),
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_airspeedSub(-1),
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_airspeed({}),
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_velocity_xy_filtered(0.0f),
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_velocity_z_filtered(0.0f),
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_airspeed_filtered(0.0f),
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_landDetectTrigger(0)
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_velocity_xy_filtered(0.0f),
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_velocity_z_filtered(0.0f),
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_airspeed_filtered(0.0f),
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_landDetectTrigger(0)
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{
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//ctor
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//ctor
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}
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void FixedwingLandDetector::initialize()
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{
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//Subscribe to local position and airspeed data
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_vehicleLocalPositionSub = orb_subscribe(ORB_ID(vehicle_local_position));
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_airspeedSub = orb_subscribe(ORB_ID(airspeed));
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//Subscribe to local position and airspeed data
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_vehicleLocalPositionSub = orb_subscribe(ORB_ID(vehicle_local_position));
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_airspeedSub = orb_subscribe(ORB_ID(airspeed));
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}
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void FixedwingLandDetector::updateSubscriptions()
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{
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orb_update(ORB_ID(vehicle_local_position), _vehicleLocalPositionSub, &_vehicleLocalPosition);
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orb_update(ORB_ID(airspeed), _airspeedSub, &_airspeed);
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orb_update(ORB_ID(vehicle_local_position), _vehicleLocalPositionSub, &_vehicleLocalPosition);
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orb_update(ORB_ID(airspeed), _airspeedSub, &_airspeed);
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}
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bool FixedwingLandDetector::update()
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{
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//First poll for new data from our subscriptions
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updateSubscriptions();
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//First poll for new data from our subscriptions
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updateSubscriptions();
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const uint64_t now = hrt_absolute_time();
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bool landDetected = false;
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const uint64_t now = hrt_absolute_time();
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bool landDetected = false;
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//TODO: reset filtered values on arming?
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_velocity_xy_filtered = 0.95f * _velocity_xy_filtered + 0.05f * sqrtf(_vehicleLocalPosition.vx *
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_vehicleLocalPosition.vx + _vehicleLocalPosition.vy * _vehicleLocalPosition.vy);
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_velocity_z_filtered = 0.95f * _velocity_z_filtered + 0.05f * fabsf(_vehicleLocalPosition.vz);
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_airspeed_filtered = 0.95f * _airspeed_filtered + 0.05f * _airspeed.true_airspeed_m_s;
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//TODO: reset filtered values on arming?
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_velocity_xy_filtered = 0.95f * _velocity_xy_filtered + 0.05f * sqrtf(_vehicleLocalPosition.vx *
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_vehicleLocalPosition.vx + _vehicleLocalPosition.vy * _vehicleLocalPosition.vy);
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_velocity_z_filtered = 0.95f * _velocity_z_filtered + 0.05f * fabsf(_vehicleLocalPosition.vz);
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_airspeed_filtered = 0.95f * _airspeed_filtered + 0.05f * _airspeed.true_airspeed_m_s;
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/* crude land detector for fixedwing */
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if (_velocity_xy_filtered < FW_LAND_DETECTOR_VELOCITY_MAX
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&& _velocity_z_filtered < FW_LAND_DETECTOR_CLIMBRATE_MAX
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&& _airspeed_filtered < FW_LAND_DETECTOR_AIRSPEED_MAX) {
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/* crude land detector for fixedwing */
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if (_velocity_xy_filtered < FW_LAND_DETECTOR_VELOCITY_MAX
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&& _velocity_z_filtered < FW_LAND_DETECTOR_CLIMBRATE_MAX
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&& _airspeed_filtered < FW_LAND_DETECTOR_AIRSPEED_MAX) {
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//These conditions need to be stable for a period of time before we trust them
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if (now > _landDetectTrigger) {
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landDetected = true;
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}
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//These conditions need to be stable for a period of time before we trust them
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if (now > _landDetectTrigger) {
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landDetected = true;
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}
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} else {
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//reset land detect trigger
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_landDetectTrigger = now + FW_LAND_DETECTOR_TRIGGER_TIME;
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}
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} else {
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//reset land detect trigger
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_landDetectTrigger = now + FW_LAND_DETECTOR_TRIGGER_TIME;
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}
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return landDetected;
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return landDetected;
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}
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