forked from Archive/PX4-Autopilot
87 lines
3.4 KiB
C
87 lines
3.4 KiB
C
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/****************************************************************************
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*
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* Copyright (C) 2012 PX4 Development Team. All rights reserved.
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* Author: @author Thomas Gubler <thomasgubler@student.ethz.ch>
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* @author Julian Oes <joes@student.ethz.ch>
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* @author Lorenz Meier <lm@inf.ethz.ch>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file vehicle_global_position.h
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* Definition of the global fused WGS84 position uORB topic.
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*/
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#ifndef VEHICLE_GLOBAL_POSITION_T_H_
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#define VEHICLE_GLOBAL_POSITION_T_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include "../uORB.h"
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/**
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* @addtogroup topics
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* @{
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*/
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/**
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* Fused global position in WGS84.
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*
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* This struct contains the system's believ about its position. It is not the raw GPS
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* measurement (@see vehicle_gps_position). This topic is usually published by the position
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* estimator, which will take more sources of information into account than just GPS,
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* e.g. control inputs of the vehicle in a Kalman-filter implementation.
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*/
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struct vehicle_global_position_s
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{
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uint64_t timestamp; /**< time of this estimate, in microseconds since system start */
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uint64_t time_gps_usec; /**< GPS timestamp in microseconds */
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bool valid; /**< true if position satisfies validity criteria of estimator */
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int32_t lat; /**< Latitude in 1E7 degrees LOGME */
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int32_t lon; /**< Longitude in 1E7 degrees LOGME */
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float alt; /**< Altitude in meters LOGME */
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float relative_alt; /**< Altitude above home position in meters, LOGME */
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float vx; /**< Ground X Speed (Latitude), m/s in ENU LOGME */
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float vy; /**< Ground Y Speed (Longitude), m/s in ENU LOGME */
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float vz; /**< Ground Z Speed (Altitude), m/s in ENU LOGME */
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float hdg; /**< Compass heading in radians -PI..+PI. */
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};
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/**
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* @}
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*/
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/* register this as object request broker structure */
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ORB_DECLARE(vehicle_global_position);
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#endif
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