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  • /****************************************************************************
     *
     *   Copyright (c) 2016 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.
     *
     ****************************************************************************/
    
    /**
     * @file definitions.h
     * common platform-specific definitions & abstractions for gps
     * @author Beat Küng <beat-kueng@gmx.net>
     */
    
    #pragma once
    
    #include <QtGlobal>
    
    
    #define GPS_READ_BUFFER_SIZE 1024
    
    
    #define GPS_INFO(...) qInfo(__VA_ARGS__)
    #define GPS_WARN(...) qWarning(__VA_ARGS__)
    #define GPS_ERR(...) qCritical(__VA_ARGS__)
    
    #include "vehicle_gps_position.h"
    #include "satellite_info.h"
    
    
    #define M_DEG_TO_RAD 		(M_PI / 180.0)
    #define M_RAD_TO_DEG 		(180.0 / M_PI)
    
    #define M_DEG_TO_RAD_F 		0.01745329251994f
    #define M_RAD_TO_DEG_F 		57.2957795130823f
    
    #include <QThread>
    
    class Sleeper : public QThread
    {
    public:
        static void usleep(unsigned long usecs) { QThread::usleep(usecs); }
    };
    
    
    static inline void gps_usleep(unsigned long usecs) {
    
    
    typedef uint64_t gps_abstime;
    
    #include <QDateTime>
    /**
     * Get the current time in us. Function signature:
     * uint64_t hrt_absolute_time()
     */
    static inline gps_abstime gps_absolute_time() {
        //FIXME: is there something with microsecond accuracy?
        return QDateTime::currentMSecsSinceEpoch() * 1000;
    }
    
    //timespec is UNIX-specific
    #ifdef _WIN32
    
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    #if _MSC_VER < 1900
    
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    #else
    #include <time.h>
    #endif