/**************************************************************************** * * Copyright (c) 2023 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 "StickTiltXY.hpp" #include #include "Sticks.hpp" using namespace matrix; StickTiltXY::StickTiltXY(ModuleParams *parent) : ModuleParams(parent) { updateParams(); } void StickTiltXY::updateParams() { ModuleParams::updateParams(); // Consider maximum tilt but only between [0.02,3]g sideways acceleration -> ~[1,71]° tilt // Constrain tilt already because tanf(90+°) will give negative result const float maximum_tilt = math::radians(math::constrain(_param_mpc_man_tilt_max.get(), 0.f, 89.f)); _maximum_acceleration = math::constrain(tanf(maximum_tilt), .02f, 3.f) * CONSTANTS_ONE_G; } Vector2f StickTiltXY::generateAccelerationSetpoints(Vector2f stick_xy, const float dt, const float yaw, const float yaw_setpoint) { Sticks::limitStickUnitLengthXY(stick_xy); _man_input_filter.setParameters(dt, _param_mc_man_tilt_tau.get()); stick_xy = _man_input_filter.update(stick_xy); Sticks::rotateIntoHeadingFrameXY(stick_xy, yaw, yaw_setpoint); return stick_xy * _maximum_acceleration; }