40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
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// Part of dump1090, a Mode S message decoder for RTLSDR devices.
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//
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// cpr.h - Compact Position Reporting prototypes
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//
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// Copyright (c) 2014,2015 Oliver Jowett <oliver@mutability.co.uk>
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//
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// This file is free software: you may copy, redistribute and/or modify it
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// under the terms of the GNU General Public License as published by the
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// Free Software Foundation, either version 2 of the License, or (at your
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// option) any later version.
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//
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// This file is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef DUMP1090_CPR_H
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#define DUMP1090_CPR_H
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int decodeCPRairborne(int even_cprlat, int even_cprlon,
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int odd_cprlat, int odd_cprlon,
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int fflag,
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double *out_lat, double *out_lon);
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int decodeCPRsurface(double reflat, double reflon,
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int even_cprlat, int even_cprlon,
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int odd_cprlat, int odd_cprlon,
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int fflag,
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double *out_lat, double *out_lon);
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int decodeCPRrelative(double reflat, double reflon,
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int cprlat, int cprlon,
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int fflag, int surface,
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double *out_lat, double *out_lon);
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#endif
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