forked from Archive/PX4-Autopilot
vehicle_global_position remove redundant evh and evv
- vehicle_status_flags condition_global_velocity_valid is also unnecessary
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@ -21,8 +21,6 @@ float32 yaw # Euler yaw angle relative to NED earth-fixed frame, -PI..+PI, (r
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float32 eph # Standard deviation of horizontal position error, (metres)
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float32 epv # Standard deviation of vertical position error, (metres)
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float32 evh # Standard deviation of horizontal velocity error, (metres/sec)
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float32 evv # Standard deviation of horizontal velocity error, (metres/sec)
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float32 terrain_alt # Terrain altitude WGS84, (metres)
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bool terrain_alt_valid # Terrain altitude estimate is valid
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@ -7,7 +7,6 @@ bool condition_system_hotplug_timeout # true if the hotplug sensor search is ov
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bool condition_system_returned_to_home
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bool condition_auto_mission_available
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bool condition_global_position_valid # set to true by the commander app if the quality of the global position estimate is good enough to use for navigation
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bool condition_global_velocity_valid # set to true by the commander app if the quality of the global horizontal velocity data is good enough to use for navigation
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bool condition_home_position_valid # indicates a valid home position (a valid home position is not always a valid launch)
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bool condition_local_position_valid # set to true by the commander app if the quality of the local position estimate is good enough to use for navigation
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bool condition_local_velocity_valid # set to true by the commander app if the quality of the local horizontal velocity data is good enough to use for navigation
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@ -165,7 +165,6 @@ static int32_t posctl_nav_loss_gain = 10; /**< the rate at which the probation d
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// Probation times for position and velocity validity checks to pass if failed
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static uint64_t gpos_probation_time_us = POSVEL_PROBATION_MIN;
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static uint64_t gvel_probation_time_us = POSVEL_PROBATION_MIN;
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static uint64_t lpos_probation_time_us = POSVEL_PROBATION_MIN;
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static uint64_t lvel_probation_time_us = POSVEL_PROBATION_MIN;
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@ -193,7 +192,6 @@ static float evh_threshold = 1.0f; // Horizontal velocity error threshold (m)
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static hrt_abstime last_lpos_fail_time_us = 0; // Last time that the local position validity recovery check failed (usec)
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static hrt_abstime last_gpos_fail_time_us = 0; // Last time that the global position validity recovery check failed (usec)
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static hrt_abstime last_lvel_fail_time_us = 0; // Last time that the local velocity validity recovery check failed (usec)
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static hrt_abstime last_gvel_fail_time_us = 0; // Last time that the global velocity validity recovery check failed (usec)
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static hrt_abstime gpos_last_update_time_us = 0; // last time a global position update was received (usec)
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@ -1332,7 +1330,6 @@ Commander::run()
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/* Set position and velocity validty to false */
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status_flags.condition_global_position_valid = false;
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status_flags.condition_global_velocity_valid = false;
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status_flags.condition_local_position_valid = false;
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status_flags.condition_local_velocity_valid = false;
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status_flags.condition_local_altitude_valid = false;
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@ -1510,7 +1507,6 @@ Commander::run()
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last_lpos_fail_time_us = commander_boot_timestamp;
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last_gpos_fail_time_us = commander_boot_timestamp;
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last_lvel_fail_time_us = commander_boot_timestamp;
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last_gvel_fail_time_us = commander_boot_timestamp;
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// Run preflight check
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int32_t rc_in_off = 0;
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@ -1967,7 +1963,6 @@ Commander::run()
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// This is necessary because the global position message is by definition valid if published.
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if ((hrt_absolute_time() - gpos_last_update_time_us) > 1000000) {
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status_flags.condition_global_position_valid = false;
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status_flags.condition_global_velocity_valid = false;
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}
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/* Check estimator status for signs of bad yaw induced post takeoff navigation failure
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@ -2021,11 +2016,9 @@ Commander::run()
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// If nav is failed, then declare local position and velocity as invalid
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if (nav_test_failed) {
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status_flags.condition_global_position_valid = false;
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status_flags.condition_global_velocity_valid = false;
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} else {
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// use global position message to determine validity
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check_posvel_validity(true, global_position.eph, eph_threshold, global_position.timestamp, &last_gpos_fail_time_us, &gpos_probation_time_us, &status_flags.condition_global_position_valid, &status_changed);
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check_posvel_validity(true, global_position.evh, evh_threshold, global_position.timestamp, &last_gvel_fail_time_us, &gvel_probation_time_us, &status_flags.condition_global_velocity_valid, &status_changed);
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}
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}
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}
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@ -2072,7 +2065,6 @@ Commander::run()
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// This is a larger value to give the vehicle time to complete a failsafe landing
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// if faulty sensors cause loss of navigation shortly after takeoff.
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gpos_probation_time_us = posctl_nav_loss_prob;
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gvel_probation_time_us = posctl_nav_loss_prob;
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lpos_probation_time_us = posctl_nav_loss_prob;
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lvel_probation_time_us = posctl_nav_loss_prob;
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}
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@ -3614,13 +3606,11 @@ reset_posvel_validity(vehicle_global_position_s *global_position, vehicle_local_
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{
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// reset all the check probation times back to the minimum value
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gpos_probation_time_us = POSVEL_PROBATION_MIN;
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gvel_probation_time_us = POSVEL_PROBATION_MIN;
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lpos_probation_time_us = POSVEL_PROBATION_MIN;
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lvel_probation_time_us = POSVEL_PROBATION_MIN;
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// recheck validity
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check_posvel_validity(true, global_position->eph, eph_threshold, global_position->timestamp, &last_gpos_fail_time_us, &gpos_probation_time_us, &status_flags.condition_global_position_valid, changed);
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check_posvel_validity(true, global_position->evh, evh_threshold, global_position->timestamp, &last_gvel_fail_time_us, &gvel_probation_time_us, &status_flags.condition_global_velocity_valid, changed);
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check_posvel_validity(local_position->xy_valid, local_position->eph, eph_threshold, local_position->timestamp, &last_lpos_fail_time_us, &lpos_probation_time_us, &status_flags.condition_local_position_valid, changed);
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check_posvel_validity(local_position->v_xy_valid, local_position->evh, evh_threshold, local_position->timestamp, &last_lvel_fail_time_us, &lvel_probation_time_us, &status_flags.condition_local_velocity_valid, changed);
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}
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@ -966,7 +966,7 @@ bool check_invalid_pos_nav_state(struct vehicle_status_s *status,
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{
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bool fallback_required = false;
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if (using_global_pos && (!status_flags->condition_global_position_valid || !status_flags->condition_global_velocity_valid)) {
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if (using_global_pos && !status_flags->condition_global_position_valid) {
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fallback_required = true;
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} else if (!using_global_pos && (!status_flags->condition_local_position_valid || !status_flags->condition_local_velocity_valid)) {
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fallback_required = true;
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@ -1051,8 +1051,6 @@ void Ekf2::run()
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global_pos.yaw = lpos.yaw; // Yaw in radians -PI..+PI.
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_ekf.get_ekf_gpos_accuracy(&global_pos.eph, &global_pos.epv, &global_pos.dead_reckoning);
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global_pos.evh = lpos.evh;
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global_pos.evv = lpos.evv;
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global_pos.terrain_alt_valid = lpos.dist_bottom_valid;
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@ -729,9 +729,6 @@ void BlockLocalPositionEstimator::publishGlobalPos()
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_pub_gpos.get().terrain_alt_valid = _estimatorInitialized & EST_TZ;
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_pub_gpos.get().dead_reckoning = !(_estimatorInitialized & EST_XY);
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_pub_gpos.update();
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// TODO provide calculated values for these
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_pub_gpos.get().evh = 0.0f;
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_pub_gpos.get().evv = 0.0f;
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}
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}
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@ -1397,10 +1397,6 @@ int position_estimator_inav_thread_main(int argc, char *argv[])
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global_pos.eph = eph;
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global_pos.epv = epv;
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// TODO provide calculated values for these
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global_pos.evh = 0.0f;
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global_pos.evv = 0.0f;
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if (terrain_estimator.is_valid()) {
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global_pos.terrain_alt = global_pos.alt - terrain_estimator.get_distance_to_ground();
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global_pos.terrain_alt_valid = true;
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