/**************************************************************************** * * 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 "GZMixingInterfaceServo.hpp" bool GZMixingInterfaceServo::init(const std::string &model_name) { // /model/rascal_110_0/servo_2 for (int i = 0; i < 8; i++) { std::string joint_name = "servo_" + std::to_string(i); std::string servo_topic = "/model/" + model_name + "/" + joint_name; //std::cout << "Servo topic: " << servo_topic << std::endl; _servos_pub.push_back(_node.Advertise(servo_topic)); if (!_servos_pub.back().Valid()) { PX4_ERR("failed to advertise %s", servo_topic.c_str()); return false; } } ScheduleNow(); return true; } bool GZMixingInterfaceServo::updateOutputs(bool stop_motors, uint16_t outputs[MAX_ACTUATORS], unsigned num_outputs, unsigned num_control_groups_updated) { bool updated = false; // cmd.command_value = (float)outputs[i] / 500.f - 1.f; // [-1, 1] int i = 0; for (auto &servo_pub : _servos_pub) { if (_mixing_output.isFunctionSet(i)) { gz::msgs::Double servo_output; ///TODO: Normalize output data double output = (outputs[i] - 500) / 500.0; // std::cout << "outputs[" << i << "]: " << outputs[i] << std::endl; // std::cout << " output: " << output << std::endl; servo_output.set_data(output); if (servo_pub.Valid()) { servo_pub.Publish(servo_output); updated = true; } } i++; } return updated; } void GZMixingInterfaceServo::Run() { pthread_mutex_lock(&_node_mutex); _mixing_output.update(); _mixing_output.updateSubscriptions(false); pthread_mutex_unlock(&_node_mutex); }