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92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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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 SRSRAN_BIT_H
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#define SRSRAN_BIT_H
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#include <stdint.h>
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#include <stdio.h>
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#include "srsran/config.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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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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} srsran_bit_interleaver_t;
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SRSRAN_API void srsran_bit_interleaver_init(srsran_bit_interleaver_t* q, uint16_t* interleaver, uint32_t nof_bits);
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SRSRAN_API void srsran_bit_interleaver_free(srsran_bit_interleaver_t* q);
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SRSRAN_API void
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srsran_bit_interleaver_run(srsran_bit_interleaver_t* q, uint8_t* input, uint8_t* output, uint16_t w_offset);
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SRSRAN_API void srsran_bit_interleave(uint8_t* input, uint8_t* output, uint16_t* interleaver, uint32_t nof_bits);
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SRSRAN_API void
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srsran_bit_copy(uint8_t* dst, uint32_t dst_offset, uint8_t* src, uint32_t src_offset, uint32_t nof_bits);
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SRSRAN_API void srsran_bit_interleave_i(uint8_t* input, uint8_t* output, uint32_t* interleaver, uint32_t nof_bits);
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SRSRAN_API void srsran_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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SRSRAN_API void srsran_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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SRSRAN_API void srsran_bit_unpack_vector(const uint8_t* packed, uint8_t* unpacked, int nof_bits);
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SRSRAN_API void srsran_bit_pack_vector(uint8_t* unpacked, uint8_t* packed, int nof_bits);
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SRSRAN_API uint32_t srsran_bit_pack(uint8_t** bits, int nof_bits);
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SRSRAN_API uint64_t srsran_bit_pack_l(uint8_t** bits, int nof_bits);
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SRSRAN_API void srsran_bit_unpack_l(uint64_t value, uint8_t** bits, int nof_bits);
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SRSRAN_API void srsran_bit_unpack(uint32_t value, uint8_t** bits, int nof_bits);
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SRSRAN_API void srsran_bit_unpack_lsb(uint32_t value, uint8_t** bits, int nof_bits);
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SRSRAN_API void srsran_bit_fprint(FILE* stream, uint8_t* bits, int nof_bits);
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SRSRAN_API uint32_t srsran_bit_diff(const uint8_t* x, const uint8_t* y, int nbits);
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SRSRAN_API uint32_t srsran_bit_count(uint32_t n);
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#ifdef __cplusplus
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}
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#endif
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#endif // SRSRAN_BIT_H
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