kopia lustrzana https://github.com/xdsopl/qsstv
93 wiersze
3.6 KiB
C
93 wiersze
3.6 KiB
C
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/******************************************************************************/
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/* */
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/* University of Kaiserslautern, Institute of Communications Engineering */
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/* Copyright (C) 2004 Torsten Schorr */
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/* */
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/* Author(s) : Torsten Schorr (schorr@eit.uni-kl.de) */
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/* Project start: 15.06.2004 */
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/* Last change : 30.06.2004 */
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/* */
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/******************************************************************************/
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* */
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/******************************************************************************/
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/******************************************************************************/
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/* */
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/* viterbi_decode.h (part of msd_hard) */
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/* */
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/******************************************************************************/
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/* Description: */
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/* function headers and constants for viterbi_decode.c */
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/* */
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/******************************************************************************/
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#ifndef STATES
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#define STATES 64 /* number of states */
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#endif /* */
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#ifndef NOOFBF
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#define NOOFBF 32 /* number of butterflies */
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#endif /* */
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#ifndef QOFB
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#define QOFB 8 /* number of different output patterns per input symbol */
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#endif /* */
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#ifndef NOPB
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#define NOPB 4 /* number of parity bits */
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#endif /* */
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/* decoder output for zero input, states 1:32 */
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const char CODER_OUTPUT[] = { 0, 6, 3, 5, 3, 5, 0, 6, 4, 2, 7, 1, 7, 1, 4, 2, 1, 7, 2, 4, 2, 4, 1, 7, 5, 3, 6, 0, 6, 0, 5, 3 };
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int viterbi_decode (float *llr, int N, int N_PartA, signed char *puncturing1, signed char *puncturing2,
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signed char *puncturing3, char *infoout, char *cwout, int bitpos, int *Deinterleaver, int L, int N_tail,
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char *memory_ptr);
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