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/****************************************************************************
*
* Copyright (C) 2012 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 uorb_blocks.cpp
*
* uorb block library code
*/
#include "blocks.hpp"
namespace control
{
BlockWaypointGuidance::BlockWaypointGuidance(SuperBlock *parent, const char *name) :
SuperBlock(parent, name),
_xtYawLimit(this, "XT2YAW"),
_xt2Yaw(this, "XT2YAW"),
_psiCmd(0)
{
}
BlockWaypointGuidance::~BlockWaypointGuidance() {};
void BlockWaypointGuidance::update(vehicle_global_position_s &pos,
vehicle_attitude_s &att,
position_setpoint_s &missionCmd,
position_setpoint_s &lastMissionCmd)
{
// heading to waypoint
float psiTrack = get_bearing_to_next_waypoint(
(double)pos.lat / (double)1e7d,
(double)pos.lon / (double)1e7d,
missionCmd.lat,
missionCmd.lon);
// cross track
struct crosstrack_error_s xtrackError;
get_distance_to_line(&xtrackError,
(double)pos.lat / (double)1e7d,
(double)pos.lon / (double)1e7d,
lastMissionCmd.lat,
lastMissionCmd.lon,
missionCmd.lat,
missionCmd.lon);
_psiCmd = _wrap_2pi(psiTrack -
_xtYawLimit.update(_xt2Yaw.update(xtrackError.distance)));
}
BlockUorbEnabledAutopilot::BlockUorbEnabledAutopilot(SuperBlock *parent, const char *name) :
SuperBlock(parent, name),
// subscriptions
_att(&getSubscriptions(), ORB_ID(vehicle_attitude), 20),
_attCmd(&getSubscriptions(), ORB_ID(vehicle_attitude_setpoint), 20),
_ratesCmd(&getSubscriptions(), ORB_ID(vehicle_rates_setpoint), 20),
_pos(&getSubscriptions() , ORB_ID(vehicle_global_position), 20),
_missionCmd(&getSubscriptions(), ORB_ID(position_setpoint_triplet), 20),
_manual(&getSubscriptions(), ORB_ID(manual_control_setpoint), 20),
_status(&getSubscriptions(), ORB_ID(vehicle_status), 20),
_param_update(&getSubscriptions(), ORB_ID(parameter_update), 1000), // limit to 1 Hz
// publications
_actuators(&getPublications(), ORB_ID(actuator_controls_0))
{
}
BlockUorbEnabledAutopilot::~BlockUorbEnabledAutopilot() {};
} // namespace control
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