cc_common.h

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/* -*- c++ -*- */
/*
 * Copyright 2013-2014 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio 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, or (at your option)
 * any later version.
 *
 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_FEC_CC_COMMON_H
#define INCLUDED_FEC_CC_COMMON_H

typedef enum _cc_mode_t {
    CC_STREAMING = 0,
    CC_TERMINATED,
    CC_TRUNCATED,
    CC_TAILBITING
} cc_mode_t;

typedef union {
    // decision_t is a BIT vector
    unsigned char* t;
    unsigned int* w;
    unsigned short* s;
    unsigned char* c;
} decision_t;

typedef union {
    unsigned char* t;
} metric_t;

struct v {
    unsigned char* metrics;
    metric_t old_metrics, new_metrics, metrics1,
        metrics2; /* Pointers to path metrics, swapped on every bit */
    unsigned char* decisions;
};

#endif /*INCLUDED_FEC_CC_COMMON_H*/