/**************************************************************************** * * Copyright (c) 2021-2022 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. * ****************************************************************************/ #ifndef SCALED_PRESSURE2_HPP #define SCALED_PRESSURE2_HPP #include #include class MavlinkStreamScaledPressure2 : public MavlinkStream { public: static MavlinkStream *new_instance(Mavlink *mavlink) { return new MavlinkStreamScaledPressure2(mavlink); } static constexpr const char *get_name_static() { return "SCALED_PRESSURE2"; } static constexpr uint16_t get_id_static() { return MAVLINK_MSG_ID_SCALED_PRESSURE2; } const char *get_name() const override { return get_name_static(); } uint16_t get_id() override { return get_id_static(); } unsigned get_size() override { if (_sensor_baro_sub.advertised() || _differential_pressure_sub.advertised()) { return MAVLINK_MSG_ID_SCALED_PRESSURE2_LEN + MAVLINK_NUM_NON_PAYLOAD_BYTES; } return 0; } private: explicit MavlinkStreamScaledPressure2(Mavlink *mavlink) : MavlinkStream(mavlink) {} uORB::Subscription _differential_pressure_sub{ORB_ID(differential_pressure), 1}; uORB::Subscription _sensor_baro_sub{ORB_ID(sensor_baro), 1}; bool send() override { if (_sensor_baro_sub.updated() || _differential_pressure_sub.updated()) { mavlink_scaled_pressure2_t msg{}; sensor_baro_s sensor_baro; if (_sensor_baro_sub.copy(&sensor_baro)) { msg.time_boot_ms = sensor_baro.timestamp / 1000; msg.press_abs = sensor_baro.pressure * 0.01f; // Pa to hPa msg.temperature = roundf(sensor_baro.temperature * 100.f); // cdegC (centidegrees) } differential_pressure_s differential_pressure; if (_differential_pressure_sub.copy(&differential_pressure)) { if (msg.time_boot_ms == 0) { msg.time_boot_ms = differential_pressure.timestamp / 1000; } msg.press_diff = differential_pressure.differential_pressure_pa * 0.01f; // Pa to hPa msg.temperature_press_diff = roundf(differential_pressure.temperature * 100.f); // cdegC (centidegrees) } mavlink_msg_scaled_pressure2_send_struct(_mavlink->get_channel(), &msg); return true; } return false; } }; #endif // SCALED_PRESSURE2_HPP