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91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/*
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* Copyright 2013-2020 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: bit.h
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*
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* Description: Bit-level utilities.
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*
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* Reference:
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*****************************************************************************/
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#ifndef SRSLTE_BIT_H
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#define SRSLTE_BIT_H
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#include <stdint.h>
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#include <stdio.h>
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#include "srslte/config.h"
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typedef struct {
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uint32_t nof_bits;
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uint16_t* interleaver;
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uint16_t* byte_idx;
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uint8_t* bit_mask;
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uint8_t n_128;
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} srslte_bit_interleaver_t;
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SRSLTE_API void srslte_bit_interleaver_init(srslte_bit_interleaver_t* q, uint16_t* interleaver, uint32_t nof_bits);
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SRSLTE_API void srslte_bit_interleaver_free(srslte_bit_interleaver_t* q);
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SRSLTE_API void
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srslte_bit_interleaver_run(srslte_bit_interleaver_t* q, uint8_t* input, uint8_t* output, uint16_t w_offset);
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SRSLTE_API void srslte_bit_interleave(uint8_t* input, uint8_t* output, uint16_t* interleaver, uint32_t nof_bits);
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SRSLTE_API void
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srslte_bit_copy(uint8_t* dst, uint32_t dst_offset, uint8_t* src, uint32_t src_offset, uint32_t nof_bits);
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SRSLTE_API void srslte_bit_interleave_i(uint8_t* input, uint8_t* output, uint32_t* interleaver, uint32_t nof_bits);
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SRSLTE_API void srslte_bit_interleave_i_w_offset(uint8_t* input,
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uint8_t* output,
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uint32_t* interleaver,
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uint32_t nof_bits,
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uint32_t w_offset);
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SRSLTE_API void srslte_bit_interleave_w_offset(uint8_t* input,
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uint8_t* output,
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uint16_t* interleaver,
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uint32_t nof_bits,
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uint32_t w_offset);
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SRSLTE_API void srslte_bit_unpack_vector(uint8_t* packed, uint8_t* unpacked, int nof_bits);
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SRSLTE_API void srslte_bit_pack_vector(uint8_t* unpacked, uint8_t* packed, int nof_bits);
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SRSLTE_API uint32_t srslte_bit_pack(uint8_t** bits, int nof_bits);
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SRSLTE_API uint64_t srslte_bit_pack_l(uint8_t** bits, int nof_bits);
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SRSLTE_API void srslte_bit_unpack_l(uint64_t value, uint8_t** bits, int nof_bits);
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SRSLTE_API void srslte_bit_unpack(uint32_t value, uint8_t** bits, int nof_bits);
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SRSLTE_API void srslte_bit_fprint(FILE* stream, uint8_t* bits, int nof_bits);
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SRSLTE_API uint32_t srslte_bit_diff(const uint8_t* x, const uint8_t* y, int nbits);
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SRSLTE_API uint32_t srslte_bit_count(uint32_t n);
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#endif // SRSLTE_BIT_H
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