dl-fldigi/src/include/interleave.h

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1.6 KiB
C++

// ----------------------------------------------------------------------------
// interleave.h -- MFSK (de)interleaver
//
// Copyright (C) 2006
// Dave Freese, W1HKJ
//
// This file is part of fldigi. Adapted from code contained in gmfsk source code
// distribution.
// gmfsk Copyright (C) 2001, 2002, 2003
// Tomi Manninen (oh2bns@sral.fi)
//
// Fldigi 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.
//
// Fldigi 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 fldigi. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef _INTERLEAVE_H
#define _INTERLEAVE_H
#define INTERLEAVE_FWD 0
#define INTERLEAVE_REV 1
#define PUNCTURE 128
class interleave
{
protected:
int size;
int depth;
int len;
int direction;
unsigned char *table;
unsigned char *tab(int i, int j, int k) {
return &table[(size * size * i) + (size * j) + k];
}
public:
interleave(int _size, int depth, int dir);
~interleave();
void symbols (unsigned char *psyms);
void bits (unsigned int *pbits);
void flush();
void init();
};
// ----------------------------------------------------------------------------
#endif