forked from Archive/PX4-Autopilot
78 lines
2.9 KiB
C
78 lines
2.9 KiB
C
/****************************************************************************
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*
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* Copyright (C) 2012-2013 PX4 Development Team. All rights reserved.
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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 home_position.h
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* Definition of the GPS home position uORB topic.
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*
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* @author Lorenz Meier <lm@inf.ethz.ch>
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*/
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#ifndef TOPIC_HOME_POSITION_H_
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#define TOPIC_HOME_POSITION_H_
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#include <stdint.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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* GPS home position in WGS84 coordinates.
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*/
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struct home_position_s
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{
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uint64_t timestamp; /**< Timestamp (microseconds since system boot) */
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uint64_t time_gps_usec; /**< Timestamp (microseconds in GPS format), this is the timestamp from the gps module */
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int32_t lat; /**< Latitude in 1E7 degrees */
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int32_t lon; /**< Longitude in 1E7 degrees */
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int32_t alt; /**< Altitude in 1E3 meters (millimeters) above MSL */
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float eph_m; /**< GPS HDOP horizontal dilution of position in m */
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float epv_m; /**< GPS VDOP horizontal dilution of position in m */
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float s_variance_m_s; /**< speed accuracy estimate m/s */
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float p_variance_m; /**< position accuracy estimate m */
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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(home_position);
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#endif
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