dump1090/cpr.h

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// Part of dump1090, a Mode S message decoder for RTLSDR devices.
//
// cpr.h - Compact Position Reporting prototypes
//
// Copyright (c) 2014,2015 Oliver Jowett <oliver@mutability.co.uk>
//
// This file is free software: you may copy, redistribute and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation, either version 2 of the License, or (at your
// option) any later version.
//
// This file 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, see <http://www.gnu.org/licenses/>.
#ifndef DUMP1090_CPR_H
#define DUMP1090_CPR_H
int decodeCPRairborne(int even_cprlat, int even_cprlon,
int odd_cprlat, int odd_cprlon,
int fflag,
double *out_lat, double *out_lon);
int decodeCPRsurface(double reflat, double reflon,
int even_cprlat, int even_cprlon,
int odd_cprlat, int odd_cprlon,
int fflag,
double *out_lat, double *out_lon);
int decodeCPRrelative(double reflat, double reflon,
int cprlat, int cprlon,
int fflag, int surface,
double *out_lat, double *out_lon);
#endif