tch9.h

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/* GMR-1 TCH9 channel coding */
/* See GMR-1 05.003 (ETSI TS 101 376-5-3 V1.2.1) - Section 5.3 */
 
/* (C) 2011-2019 by Sylvain Munaut <tnt@246tNt.com>
 * All Rights Reserved
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __OSMO_GMR1_L1_TCH9_H__
#define __OSMO_GMR1_L1_TCH9_H__
 
#include <stdint.h>
#include <osmocom/core/bits.h>
 
struct gmr1_interleaver;
 
 
enum gmr1_tch9_mode {
        GMR1_TCH9_2k4,  
        GMR1_TCH9_4k8,  
        GMR1_TCH9_9k6,  
        GMR1_TCH9_MAX   
};
 
void gmr1_tch9_encode(ubit_t *bits_e, const uint8_t *l2, enum gmr1_tch9_mode mode,
                      const ubit_t *bits_sacch, const ubit_t *bits_status,
                      const ubit_t *ciph, struct gmr1_interleaver *il);
void gmr1_tch9_decode(uint8_t *l2, sbit_t *bits_sacch, sbit_t *bits_status,
                      const sbit_t *bits_e, enum gmr1_tch9_mode mode,
                      const ubit_t *ciph, struct gmr1_interleaver *il,
                      int *conv_rv);
 
 
#endif /* __OSMO_GMR1_L1_TCH9_H__ */