mecanum: refactor code architecture

This commit is contained in:
chfriedrich98
2025-02-25 17:06:17 +01:00
committed by chfriedrich98
parent d602b569b1
commit 7c63468e8b
24 changed files with 1634 additions and 1400 deletions
@@ -0,0 +1,39 @@
############################################################################
#
# 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.
#
############################################################################
px4_add_library(MecanumAttControl
MecanumAttControl.cpp
)
target_link_libraries(MecanumAttControl PUBLIC PID)
target_include_directories(MecanumAttControl PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
@@ -0,0 +1,215 @@
/****************************************************************************
*
* 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.
*
****************************************************************************/
#include "MecanumAttControl.hpp"
using namespace time_literals;
MecanumAttControl::MecanumAttControl(ModuleParams *parent) : ModuleParams(parent)
{
_rover_rate_setpoint_pub.advertise();
_rover_throttle_setpoint_pub.advertise();
_rover_attitude_setpoint_pub.advertise();
_rover_attitude_status_pub.advertise();
updateParams();
}
void MecanumAttControl::updateParams()
{
ModuleParams::updateParams();
if (_param_ro_yaw_rate_limit.get() > FLT_EPSILON) {
_max_yaw_rate = _param_ro_yaw_rate_limit.get() * M_DEG_TO_RAD_F;
}
_pid_yaw.setGains(_param_ro_yaw_p.get(), 0.f, 0.f);
_pid_yaw.setIntegralLimit(_max_yaw_rate);
_pid_yaw.setOutputLimit(_max_yaw_rate);
_adjusted_yaw_setpoint.setSlewRate(_max_yaw_rate);
}
void MecanumAttControl::updateAttControl()
{
const hrt_abstime timestamp_prev = _timestamp;
_timestamp = hrt_absolute_time();
_dt = math::constrain(_timestamp - timestamp_prev, 1_ms, 5000_ms) * 1e-6f;
if (_vehicle_control_mode_sub.updated()) {
_vehicle_control_mode_sub.copy(&_vehicle_control_mode);
}
if (_vehicle_attitude_sub.updated()) {
vehicle_attitude_s vehicle_attitude{};
_vehicle_attitude_sub.copy(&vehicle_attitude);
matrix::Quatf vehicle_attitude_quaternion = matrix::Quatf(vehicle_attitude.q);
_vehicle_yaw = matrix::Eulerf(vehicle_attitude_quaternion).psi();
}
if (_vehicle_control_mode.flag_control_attitude_enabled && _vehicle_control_mode.flag_armed && runSanityChecks()) {
if (_vehicle_control_mode.flag_control_manual_enabled || _vehicle_control_mode.flag_control_offboard_enabled) {
generateAttitudeSetpoint();
}
generateRateSetpoint();
} else { // Reset pid and slew rate when attitude control is not active
_pid_yaw.resetIntegral();
_adjusted_yaw_setpoint.setForcedValue(0.f);
}
// Publish attitude controller status (logging only)
rover_attitude_status_s rover_attitude_status;
rover_attitude_status.timestamp = _timestamp;
rover_attitude_status.measured_yaw = _vehicle_yaw;
rover_attitude_status.adjusted_yaw_setpoint = _adjusted_yaw_setpoint.getState();
_rover_attitude_status_pub.publish(rover_attitude_status);
}
void MecanumAttControl::generateAttitudeSetpoint()
{
const bool stab_mode_enabled = _vehicle_control_mode.flag_control_manual_enabled
&& !_vehicle_control_mode.flag_control_position_enabled && _vehicle_control_mode.flag_control_attitude_enabled;
if (stab_mode_enabled && _manual_control_setpoint_sub.updated()) { // Stab Mode
manual_control_setpoint_s manual_control_setpoint{};
if (_manual_control_setpoint_sub.update(&manual_control_setpoint)) {
rover_throttle_setpoint_s rover_throttle_setpoint{};
rover_throttle_setpoint.timestamp = _timestamp;
rover_throttle_setpoint.throttle_body_x = manual_control_setpoint.throttle;
rover_throttle_setpoint.throttle_body_y = manual_control_setpoint.roll;
_rover_throttle_setpoint_pub.publish(rover_throttle_setpoint);
const float yaw_rate_setpoint = math::interpolate<float>(math::deadzone(manual_control_setpoint.yaw,
_param_ro_yaw_stick_dz.get()), -1.f, 1.f, -_max_yaw_rate, _max_yaw_rate);
if (fabsf(yaw_rate_setpoint) > FLT_EPSILON) { // Closed loop yaw rate control
_stab_yaw_setpoint = NAN;
_adjusted_yaw_setpoint.setForcedValue(0.f);
rover_rate_setpoint_s rover_rate_setpoint{};
rover_rate_setpoint.timestamp = _timestamp;
rover_rate_setpoint.yaw_rate_setpoint = yaw_rate_setpoint;
_rover_rate_setpoint_pub.publish(rover_rate_setpoint);
} else if (fabsf(rover_throttle_setpoint.throttle_body_x) > FLT_EPSILON
|| fabsf(rover_throttle_setpoint.throttle_body_y) >
FLT_EPSILON) { // Closed loop yaw control if the yaw rate input is zero (keep current yaw)
if (!PX4_ISFINITE(_stab_yaw_setpoint)) {
_stab_yaw_setpoint = _vehicle_yaw;
}
rover_attitude_setpoint_s rover_attitude_setpoint{};
rover_attitude_setpoint.timestamp = _timestamp;
rover_attitude_setpoint.yaw_setpoint = _stab_yaw_setpoint;
_rover_attitude_setpoint_pub.publish(rover_attitude_setpoint);
} else { // Reset yaw control and yaw rate setpoint
_stab_yaw_setpoint = NAN;
_adjusted_yaw_setpoint.setForcedValue(0.f);
rover_rate_setpoint_s rover_rate_setpoint{};
rover_rate_setpoint.timestamp = _timestamp;
rover_rate_setpoint.yaw_rate_setpoint = 0.f;
_rover_rate_setpoint_pub.publish(rover_rate_setpoint);
}
}
} else if (_vehicle_control_mode.flag_control_offboard_enabled) { // Offboard attitude control
trajectory_setpoint_s trajectory_setpoint{};
_trajectory_setpoint_sub.copy(&trajectory_setpoint);
if (_offboard_control_mode_sub.updated()) {
_offboard_control_mode_sub.copy(&_offboard_control_mode);
}
const bool offboard_att_control = _offboard_control_mode.attitude;
if (offboard_att_control && PX4_ISFINITE(trajectory_setpoint.yaw)) {
rover_attitude_setpoint_s rover_attitude_setpoint{};
rover_attitude_setpoint.timestamp = _timestamp;
rover_attitude_setpoint.yaw_setpoint = trajectory_setpoint.yaw;
_rover_attitude_setpoint_pub.publish(rover_attitude_setpoint);
}
}
}
void MecanumAttControl::generateRateSetpoint()
{
if (_rover_attitude_setpoint_sub.updated()) {
_rover_attitude_setpoint_sub.copy(&_rover_attitude_setpoint);
}
if (_rover_rate_setpoint_sub.updated()) {
_rover_rate_setpoint_sub.copy(&_rover_rate_setpoint);
}
// Check if a new rate setpoint was already published from somewhere else
if (_rover_rate_setpoint.timestamp > _last_rate_setpoint_update
&& _rover_rate_setpoint.timestamp > _rover_attitude_setpoint.timestamp) {
return;
}
const float yaw_rate_setpoint = RoverControl::attitudeControl(_adjusted_yaw_setpoint, _pid_yaw, _max_yaw_rate,
_vehicle_yaw, _rover_attitude_setpoint.yaw_setpoint, _dt);
_last_rate_setpoint_update = _timestamp;
rover_rate_setpoint_s rover_rate_setpoint{};
rover_rate_setpoint.timestamp = _timestamp;
rover_rate_setpoint.yaw_rate_setpoint = math::constrain(yaw_rate_setpoint, -_max_yaw_rate, _max_yaw_rate);
_rover_rate_setpoint_pub.publish(rover_rate_setpoint);
}
bool MecanumAttControl::runSanityChecks()
{
bool ret = true;
if (_param_ro_yaw_rate_limit.get() < FLT_EPSILON) {
ret = false;
}
if (_param_ro_yaw_p.get() < FLT_EPSILON) {
ret = false;
if (_prev_param_check_passed) {
events::send<float>(events::ID("mecanum_att_control_conf_invalid_yaw_p"), events::Log::Error,
"Invalid configuration of necessary parameter RO_YAW_P", _param_ro_yaw_p.get());
}
}
_prev_param_check_passed = ret;
return ret;
}
@@ -0,0 +1,142 @@
/****************************************************************************
*
* 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>
#include <px4_platform_common/events.h>
// Libraries
#include <lib/rover_control/RoverControl.hpp>
#include <lib/pid/PID.hpp>
#include <lib/slew_rate/SlewRateYaw.hpp>
#include <math.h>
#include <matrix/matrix/math.hpp>
// uORB includes
#include <uORB/Publication.hpp>
#include <uORB/Subscription.hpp>
#include <uORB/topics/rover_rate_setpoint.h>
#include <uORB/topics/rover_throttle_setpoint.h>
#include <uORB/topics/vehicle_control_mode.h>
#include <uORB/topics/manual_control_setpoint.h>
#include <uORB/topics/vehicle_attitude.h>
#include <uORB/topics/rover_attitude_status.h>
#include <uORB/topics/rover_attitude_setpoint.h>
#include <uORB/topics/actuator_motors.h>
#include <uORB/topics/offboard_control_mode.h>
#include <uORB/topics/trajectory_setpoint.h>
/**
* @brief Class for mecanum attitude control.
*/
class MecanumAttControl : public ModuleParams
{
public:
/**
* @brief Constructor for MecanumAttControl.
* @param parent The parent ModuleParams object.
*/
MecanumAttControl(ModuleParams *parent);
~MecanumAttControl() = default;
/**
* @brief Update attitude controller.
*/
void updateAttControl();
protected:
/**
* @brief Update the parameters of the module.
*/
void updateParams() override;
private:
/**
* @brief Generate and publish roverAttitudeSetpoint from manualControlSetpoint (Stab Mode)
* or trajectorySetpoint (Offboard attitude control).
*/
void generateAttitudeSetpoint();
/**
* @brief Generate and publish roverRateSetpoint from roverAttitudeSetpoint.
*/
void generateRateSetpoint();
/**
* @brief Check if the necessary parameters are set.
* @return True if all checks pass.
*/
bool runSanityChecks();
// uORB subscriptions
uORB::Subscription _vehicle_control_mode_sub{ORB_ID(vehicle_control_mode)};
uORB::Subscription _manual_control_setpoint_sub{ORB_ID(manual_control_setpoint)};
uORB::Subscription _trajectory_setpoint_sub{ORB_ID(trajectory_setpoint)};
uORB::Subscription _offboard_control_mode_sub{ORB_ID(offboard_control_mode)};
uORB::Subscription _vehicle_attitude_sub{ORB_ID(vehicle_attitude)};
uORB::Subscription _actuator_motors_sub{ORB_ID(actuator_motors)};
uORB::Subscription _rover_attitude_setpoint_sub{ORB_ID(rover_attitude_setpoint)};
uORB::Subscription _rover_rate_setpoint_sub{ORB_ID(rover_rate_setpoint)};
vehicle_control_mode_s _vehicle_control_mode{};
rover_attitude_setpoint_s _rover_attitude_setpoint{};
rover_rate_setpoint_s _rover_rate_setpoint{};
offboard_control_mode_s _offboard_control_mode{};
// uORB publications
uORB::Publication<rover_rate_setpoint_s> _rover_rate_setpoint_pub{ORB_ID(rover_rate_setpoint)};
uORB::Publication<rover_throttle_setpoint_s> _rover_throttle_setpoint_pub{ORB_ID(rover_throttle_setpoint)};
uORB::Publication<rover_attitude_setpoint_s> _rover_attitude_setpoint_pub{ORB_ID(rover_attitude_setpoint)};
uORB::Publication<rover_attitude_status_s> _rover_attitude_status_pub{ORB_ID(rover_attitude_status)};
// Variables
hrt_abstime _timestamp{0};
hrt_abstime _last_rate_setpoint_update{0};
float _vehicle_yaw{0.f};
float _dt{0.f};
float _max_yaw_rate{0.f};
float _stab_yaw_setpoint{0.f}; // Yaw setpoint for stab mode, NAN if yaw rate is manually controlled [rad]
bool _prev_param_check_passed{true};
// Controllers
PID _pid_yaw;
SlewRateYaw<float> _adjusted_yaw_setpoint;
// Parameters
DEFINE_PARAMETERS(
(ParamFloat<px4::params::RO_YAW_RATE_LIM>) _param_ro_yaw_rate_limit,
(ParamFloat<px4::params::RO_YAW_P>) _param_ro_yaw_p,
(ParamFloat<px4::params::RO_YAW_STICK_DZ>) _param_ro_yaw_stick_dz
)
};