mirror of https://github.com/ArduPilot/ardupilot
Copter: SmartRTL mode restores point if interrupted
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e468302184
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623b1fc4fe
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@ -1507,6 +1507,10 @@ private:
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// point while following our path home. If we take too long we
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// point while following our path home. If we take too long we
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// may choose to land the vehicle.
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// may choose to land the vehicle.
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uint32_t path_follow_last_pop_fail_ms;
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uint32_t path_follow_last_pop_fail_ms;
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// backup last popped point so that it can be restored to the path
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// if vehicle exits SmartRTL mode before reaching home. invalid if zero
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Vector3f dest_NED_backup;
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};
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};
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@ -35,6 +35,14 @@ bool ModeSmartRTL::init(bool ignore_checks)
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// perform cleanup required when leaving smart_rtl
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// perform cleanup required when leaving smart_rtl
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void ModeSmartRTL::exit()
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void ModeSmartRTL::exit()
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{
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{
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// restore last point if we hadn't reached it
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if (smart_rtl_state == SubMode::PATH_FOLLOW && !dest_NED_backup.is_zero()) {
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if (!g2.smart_rtl.add_point(dest_NED_backup)) {
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GCS_SEND_TEXT(MAV_SEVERITY_ERROR, "SmartRTL: lost one point");
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}
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}
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dest_NED_backup.zero();
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g2.smart_rtl.cancel_request_for_thorough_cleanup();
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g2.smart_rtl.cancel_request_for_thorough_cleanup();
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}
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}
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@ -83,10 +91,16 @@ void ModeSmartRTL::path_follow_run()
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{
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{
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// if we are close to current target point, switch the next point to be our target.
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// if we are close to current target point, switch the next point to be our target.
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if (wp_nav->reached_wp_destination()) {
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if (wp_nav->reached_wp_destination()) {
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Vector3f dest_NED;
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// clear destination backup so that it cannot be restored
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dest_NED_backup.zero();
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// this pop_point can fail if the IO task currently has the
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// this pop_point can fail if the IO task currently has the
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// path semaphore.
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// path semaphore.
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Vector3f dest_NED;
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if (g2.smart_rtl.pop_point(dest_NED)) {
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if (g2.smart_rtl.pop_point(dest_NED)) {
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// backup destination in case we exit smart_rtl mode and need to restore it to the path
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dest_NED_backup = dest_NED;
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path_follow_last_pop_fail_ms = 0;
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path_follow_last_pop_fail_ms = 0;
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if (g2.smart_rtl.get_num_points() == 0) {
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if (g2.smart_rtl.get_num_points() == 0) {
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// this is the very last point, add 2m to the target alt and move to pre-land state
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// this is the very last point, add 2m to the target alt and move to pre-land state
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