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41 lines
1.3 KiB
41 lines
1.3 KiB
#pragma once
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/*
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* Copyright (c) 1994 by Robert Morelos-Zaragoza. All rights reserved.
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* See http://www.eccpage.com/golay23.c
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* Copyright (C) 2010 by Michael Dirska, DL1BFF (dl1bff@mdx.de)
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* Copyright (C) 2020 by Thomas Early N7TAE
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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class CDStarDecode
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{
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public:
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CDStarDecode();
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~CDStarDecode() {}
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int Decode(const unsigned char *d, int data[3]);
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private:
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// functions
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long get_syndrome(long pattern);
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long arr2int(int a[], int r);
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void nextcomb(int n, int r, int a[]);
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int golay2412(int data, int *decoded);
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// data
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long decoding_table[2048];
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int prng[4096];
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};
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