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51 lines
1.3 KiB
C

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 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: binsource.h
*
* Description: Pseudo-random binary source.
*
* Reference:
*****************************************************************************/
#ifndef SRSRAN_BINSOURCE_H
#define SRSRAN_BINSOURCE_H
#include "srsran/config.h"
#include <stdint.h>
/* Low-level API */
typedef struct SRSRAN_API {
uint32_t seed;
uint32_t* seq_buff;
int seq_buff_nwords;
int seq_cache_nbits;
int seq_cache_rp;
} srsran_binsource_t;
SRSRAN_API void srsran_binsource_init(srsran_binsource_t* q);
SRSRAN_API void srsran_binsource_free(srsran_binsource_t* q);
SRSRAN_API void srsran_binsource_seed_set(srsran_binsource_t* q, uint32_t seed);
SRSRAN_API void srsran_binsource_seed_time(srsran_binsource_t* q);
SRSRAN_API int srsran_binsource_cache_gen(srsran_binsource_t* q, int nbits);
SRSRAN_API void srsran_binsource_cache_cpy(srsran_binsource_t* q, uint8_t* bits, int nbits);
SRSRAN_API int srsran_binsource_generate(srsran_binsource_t* q, uint8_t* bits, int nbits);
#endif // SRSRAN_BINSOURCE_H