2025-05-26 15:56:24 +02:00

112 lines
3.9 KiB
C++

/****************************************************************************
*
* Copyright (c) 2025 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.
*
****************************************************************************/
#pragma once
// PX4 includes
#include <px4_platform_common/module_params.h>
// Libraries
#include <lib/rover_control/RoverControl.hpp>
#include <lib/slew_rate/SlewRate.hpp>
#include <math.h>
// uORB includes
#include <uORB/Subscription.hpp>
#include <uORB/Publication.hpp>
#include <uORB/PublicationMulti.hpp>
#include <uORB/topics/actuator_motors.h>
#include <uORB/topics/actuator_servos.h>
#include <uORB/topics/rover_steering_setpoint.h>
#include <uORB/topics/rover_throttle_setpoint.h>
/**
* @brief Class for ackermann actuator control.
*/
class AckermannActControl : public ModuleParams
{
public:
/**
* @brief Constructor for AckermannActControl.
* @param parent The parent ModuleParams object.
*/
AckermannActControl(ModuleParams *parent);
~AckermannActControl() = default;
/**
* @brief Update actuator controller.
*/
void updateActControl();
protected:
/**
* @brief Update the parameters of the module.
*/
void updateParams() override;
private:
/**
* @brief Generate and publish actuatorMotors/actuatorServos setpoints from roverThrottleSetpoint/roverSteeringSetpoint.
*/
void generateActuatorSetpoint();
// uORB subscriptions
uORB::Subscription _actuator_servos_sub{ORB_ID(actuator_servos)};
uORB::Subscription _actuator_motors_sub{ORB_ID(actuator_motors)};
uORB::Subscription _rover_steering_setpoint_sub{ORB_ID(rover_steering_setpoint)};
uORB::Subscription _rover_throttle_setpoint_sub{ORB_ID(rover_throttle_setpoint)};
// uORB publications
uORB::PublicationMulti<actuator_motors_s> _actuator_motors_pub{ORB_ID(actuator_motors)};
uORB::Publication<actuator_servos_s> _actuator_servos_pub{ORB_ID(actuator_servos)};
// Variables
hrt_abstime _timestamp{0};
float _dt{0.f};
// Controllers
SlewRate<float> _servo_setpoint{0.f};
SlewRate<float> _motor_setpoint{0.f};
// Parameters
DEFINE_PARAMETERS(
(ParamInt<px4::params::CA_R_REV>) _param_r_rev,
(ParamFloat<px4::params::RA_STR_RATE_LIM>) _param_ra_str_rate_limit,
(ParamFloat<px4::params::RA_MAX_STR_ANG>) _param_ra_max_str_ang,
(ParamFloat<px4::params::RO_ACCEL_LIM>) _param_ro_accel_limit,
(ParamFloat<px4::params::RO_DECEL_LIM>) _param_ro_decel_limit,
(ParamFloat<px4::params::RO_MAX_THR_SPEED>) _param_ro_max_thr_speed
)
};