/**************************************************************************** * * Copyright (c) 2022 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 "offboardCheck.hpp" using namespace time_literals; void OffboardChecks::checkAndReport(const Context &context, Report &reporter) { reporter.failsafeFlags().offboard_control_signal_lost = true; offboard_control_mode_s offboard_control_mode; if (_offboard_control_mode_sub.copy(&offboard_control_mode)) { bool data_is_recent = hrt_absolute_time() < offboard_control_mode.timestamp + static_cast(_param_com_of_loss_t.get() * 1_s); bool offboard_available = (offboard_control_mode.position || offboard_control_mode.velocity || offboard_control_mode.acceleration || offboard_control_mode.attitude || offboard_control_mode.body_rate || offboard_control_mode.actuator) && data_is_recent; if (offboard_control_mode.position && reporter.failsafeFlags().local_position_invalid) { offboard_available = false; } else if (offboard_control_mode.velocity && reporter.failsafeFlags().local_velocity_invalid) { offboard_available = false; } else if (offboard_control_mode.acceleration && reporter.failsafeFlags().local_velocity_invalid) { // OFFBOARD acceleration handled by position controller offboard_available = false; } // This is a mode requirement, no need to report reporter.failsafeFlags().offboard_control_signal_lost = !offboard_available; } }