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C

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2020 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
/******************************************************************************
* File: bit.h
*
* Description: Bit-level utilities.
*
* Reference:
*****************************************************************************/
#ifndef SRSLTE_BIT_H
#define SRSLTE_BIT_H
#include <stdint.h>
#include <stdio.h>
#include "srslte/config.h"
typedef struct {
uint32_t nof_bits;
uint16_t* interleaver;
uint16_t* byte_idx;
uint8_t* bit_mask;
uint8_t n_128;
} srslte_bit_interleaver_t;
SRSLTE_API void srslte_bit_interleaver_init(srslte_bit_interleaver_t* q, uint16_t* interleaver, uint32_t nof_bits);
SRSLTE_API void srslte_bit_interleaver_free(srslte_bit_interleaver_t* q);
SRSLTE_API void
srslte_bit_interleaver_run(srslte_bit_interleaver_t* q, uint8_t* input, uint8_t* output, uint16_t w_offset);
SRSLTE_API void srslte_bit_interleave(uint8_t* input, uint8_t* output, uint16_t* interleaver, uint32_t nof_bits);
SRSLTE_API void
srslte_bit_copy(uint8_t* dst, uint32_t dst_offset, uint8_t* src, uint32_t src_offset, uint32_t nof_bits);
SRSLTE_API void srslte_bit_interleave_i(uint8_t* input, uint8_t* output, uint32_t* interleaver, uint32_t nof_bits);
SRSLTE_API void srslte_bit_interleave_i_w_offset(uint8_t* input,
uint8_t* output,
uint32_t* interleaver,
uint32_t nof_bits,
uint32_t w_offset);
SRSLTE_API void srslte_bit_interleave_w_offset(uint8_t* input,
uint8_t* output,
uint16_t* interleaver,
uint32_t nof_bits,
uint32_t w_offset);
SRSLTE_API void srslte_bit_unpack_vector(const uint8_t* packed, uint8_t* unpacked, int nof_bits);
SRSLTE_API void srslte_bit_pack_vector(uint8_t* unpacked, uint8_t* packed, int nof_bits);
SRSLTE_API uint32_t srslte_bit_pack(uint8_t** bits, int nof_bits);
SRSLTE_API uint64_t srslte_bit_pack_l(uint8_t** bits, int nof_bits);
SRSLTE_API void srslte_bit_unpack_l(uint64_t value, uint8_t** bits, int nof_bits);
SRSLTE_API void srslte_bit_unpack(uint32_t value, uint8_t** bits, int nof_bits);
SRSLTE_API void srslte_bit_fprint(FILE* stream, uint8_t* bits, int nof_bits);
SRSLTE_API uint32_t srslte_bit_diff(const uint8_t* x, const uint8_t* y, int nbits);
SRSLTE_API uint32_t srslte_bit_count(uint32_t n);
#endif // SRSLTE_BIT_H