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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) 2011-2016 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__
/*! \defgroup tch9 TCH9 channel coding
* \ingroup l1_chan
* @{
*/
/*! \file l1/tch9.h
* \brief Osmocom GMR-1 TCH9 channel coding header
*/
#include <stdint.h>
#include <osmocom/core/bits.h>
struct gmr1_interleaver;
/*! \brief TCH9 possible data rates */
enum gmr1_tch9_mode {
GMR1_TCH9_2k4, /*!< \brief TCH9 with 2.4k data rate */
GMR1_TCH9_4k8, /*!< \brief TCH9 with 4.8k data rate */
GMR1_TCH9_9k6, /*!< \brief TCH9 with 9.6k data rate */
GMR1_TCH9_MAX /*!< \brief Dummy value*/
};
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__ */
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