59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* GMR-1 TCH9 channel coding */
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/* See GMR-1 05.003 (ETSI TS 101 376-5-3 V1.2.1) - Section 5.3 */
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/* (C) 2011-2019 by Sylvain Munaut <tnt@246tNt.com>
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* All Rights Reserved
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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 Affero General Public License as published by
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* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __OSMO_GMR1_L1_TCH9_H__
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#define __OSMO_GMR1_L1_TCH9_H__
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/*! \defgroup tch9 TCH9 channel coding
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* \ingroup l1_chan
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* @{
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*/
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/*! \file l1/tch9.h
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* \brief Osmocom GMR-1 TCH9 channel coding header
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*/
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#include <stdint.h>
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#include <osmocom/core/bits.h>
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struct gmr1_interleaver;
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/*! \brief TCH9 possible data rates */
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enum gmr1_tch9_mode {
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GMR1_TCH9_2k4, /*!< \brief TCH9 with 2.4k data rate */
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GMR1_TCH9_4k8, /*!< \brief TCH9 with 4.8k data rate */
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GMR1_TCH9_9k6, /*!< \brief TCH9 with 9.6k data rate */
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GMR1_TCH9_MAX /*!< \brief Dummy value*/
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};
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void gmr1_tch9_encode(ubit_t *bits_e, const uint8_t *l2, enum gmr1_tch9_mode mode,
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const ubit_t *bits_sacch, const ubit_t *bits_status,
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const ubit_t *ciph, struct gmr1_interleaver *il);
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void gmr1_tch9_decode(uint8_t *l2, sbit_t *bits_sacch, sbit_t *bits_status,
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const sbit_t *bits_e, enum gmr1_tch9_mode mode,
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const ubit_t *ciph, struct gmr1_interleaver *il,
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int *conv_rv);
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/*! @} */
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#endif /* __OSMO_GMR1_L1_TCH9_H__ */
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