/**************************************************************************** * * Copyright (c) 2021 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 "functions.hpp" FunctionMotors::FunctionMotors(const Context &context) : _topic(&context.work_item, ORB_ID(actuator_motors)), _reversible_motors(context.reversible_motors) { for (int i = 0; i < actuator_motors_s::NUM_CONTROLS; ++i) { _data.control[i] = NAN; } } void FunctionMotors::update() { bool updated = _topic.update(&_data); if (updated && !_reversible_motors) { for (int i = 0; i < actuator_motors_s::NUM_CONTROLS; ++i) { if (_data.control[i] < -FLT_EPSILON) { _data.control[i] = NAN; } else { // remap from [0, 1] to [-1, 1] _data.control[i] = _data.control[i] * 2.f - 1.f; } } } } FunctionActuatorSet::FunctionActuatorSet() { for (int i = 0; i < max_num_actuators; ++i) { _data[i] = NAN; } } void FunctionActuatorSet::update() { vehicle_command_s vehicle_command; while (_topic.update(&vehicle_command)) { if (vehicle_command.command == vehicle_command_s::VEHICLE_CMD_DO_SET_ACTUATOR) { int index = (int)(vehicle_command.param7 + 0.5f); if (index == 0) { _data[0] = vehicle_command.param1; _data[1] = vehicle_command.param2; _data[2] = vehicle_command.param3; _data[3] = vehicle_command.param4; _data[4] = vehicle_command.param5; _data[5] = vehicle_command.param6; } } } }