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67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE 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
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE 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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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/******************************************************************************
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* File: binsource.h
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*
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* Description: Pseudo-random binary source.
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*
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* Reference:
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*****************************************************************************/
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#ifndef SRSLTE_BINSOURCE_H
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#define SRSLTE_BINSOURCE_H
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#include <stdint.h>
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#include "srslte/config.h"
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/* Low-level API */
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typedef struct SRSLTE_API{
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uint32_t seed;
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uint32_t *seq_buff;
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int seq_buff_nwords;
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int seq_cache_nbits;
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int seq_cache_rp;
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}srslte_binsource_t;
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SRSLTE_API void srslte_binsource_init(srslte_binsource_t* q);
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SRSLTE_API void srslte_binsource_free(srslte_binsource_t* q);
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SRSLTE_API void srslte_binsource_seed_set(srslte_binsource_t* q,
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uint32_t seed);
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SRSLTE_API void srslte_binsource_seed_time(srslte_binsource_t *q);
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SRSLTE_API int srslte_binsource_cache_gen(srslte_binsource_t* q,
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int nbits);
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SRSLTE_API void srslte_binsource_cache_cpy(srslte_binsource_t* q,
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uint8_t *bits,
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int nbits);
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SRSLTE_API int srslte_binsource_generate(srslte_binsource_t* q,
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uint8_t *bits,
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int nbits);
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#endif // SRSLTE_BINSOURCE_H
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