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LibrePilot/ground/openpilotgcs/src/libs/utils/homelocationutil.cpp
pip 4a1842f3be Added code to check for invalid parameters.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2827 ebee16cc-31ac-478f-84a7-5cbb03baadba
2011-02-21 11:15:39 +00:00

78 lines
2.4 KiB
C++

/**
******************************************************************************
*
* @file homelocationutil.cpp
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @brief Utilities to find the location of openpilot GCS files:
* - Plugins Share directory path
*
* @brief Home location utility functions
*
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "homelocationutil.h"
#include <stdint.h>
#include <QDebug>
#include <QDateTime>
#include "coordinateconversions.h"
#include "worldmagmodel.h"
namespace Utils {
HomeLocationUtil::HomeLocationUtil()
{
// Initialize();
}
// input params: LLA
//
// output params: ECEF, RNE and Be
int HomeLocationUtil::getDetails(double LLA[3], double ECEF[3], double RNE[9], double Be[3])
{
// *************
// check input parms
double latitude = LLA[0];
double longitude = LLA[1];
double altitude = LLA[2];
if (latitude != latitude) return -1; // prevent nan error
if (longitude != longitude) return -2; // prevent nan error
if (altitude != altitude) return -3; // prevent nan error
if (latitude < -90 || latitude > 90) return -4; // range checking
if (longitude < -180 || longitude > 180) return -5; // range checking
// *************
QDateTime dt = QDateTime::currentDateTime().toUTC();
CoordinateConversions().LLA2ECEF(LLA, ECEF);
CoordinateConversions().RneFromLLA(LLA, (double (*)[3])RNE);
if (WorldMagModel().GetMagVector(LLA, dt.date().month(), dt.date().day(), dt.date().year(), Be) < 0)
return -6;
return 0; // OK
}
}