land.cpp
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/****************************************************************************
*
* Copyright (c) 2013-2016 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file land.cpp
*
* Helper class to land at the current position
*
* @author Andreas Antener <andreas@uaventure.com>
*/
#include "land.h"
#include "navigator.h"
Land::Land(Navigator *navigator) :
MissionBlock(navigator)
{
}
void
Land::on_activation()
{
/* set current mission item to Land */
set_land_item(&_mission_item, true);
_navigator->get_mission_result()->finished = false;
_navigator->set_mission_result_updated();
reset_mission_item_reached();
/* convert mission item to current setpoint */
struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet();
pos_sp_triplet->previous.valid = false;
mission_apply_limitation(_mission_item);
mission_item_to_position_setpoint(_mission_item, &pos_sp_triplet->current);
pos_sp_triplet->next.valid = false;
_navigator->set_can_loiter_at_sp(false);
_navigator->set_position_setpoint_triplet_updated();
}
void
Land::on_active()
{
/* for VTOL update landing location during back transition */
if (_navigator->get_vstatus()->is_vtol &&
_navigator->get_vstatus()->in_transition_mode) {
struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet();
pos_sp_triplet->current.lat = _navigator->get_global_position()->lat;
pos_sp_triplet->current.lon = _navigator->get_global_position()->lon;
_navigator->set_position_setpoint_triplet_updated();
}
if (_navigator->get_land_detected()->landed) {
_navigator->get_mission_result()->finished = true;
_navigator->set_mission_result_updated();
set_idle_item(&_mission_item);
struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet();
mission_item_to_position_setpoint(_mission_item, &pos_sp_triplet->current);
_navigator->set_position_setpoint_triplet_updated();
}
}