srsLTE/lib/include/srslte/phy/io/binsource.h

51 lines
1.3 KiB
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: binsource.h
*
* Description: Pseudo-random binary source.
*
* Reference:
*****************************************************************************/
#ifndef SRSLTE_BINSOURCE_H
#define SRSLTE_BINSOURCE_H
#include "srslte/config.h"
#include <stdint.h>
/* Low-level API */
typedef struct SRSLTE_API {
uint32_t seed;
uint32_t* seq_buff;
int seq_buff_nwords;
int seq_cache_nbits;
int seq_cache_rp;
} srslte_binsource_t;
SRSLTE_API void srslte_binsource_init(srslte_binsource_t* q);
SRSLTE_API void srslte_binsource_free(srslte_binsource_t* q);
SRSLTE_API void srslte_binsource_seed_set(srslte_binsource_t* q, uint32_t seed);
SRSLTE_API void srslte_binsource_seed_time(srslte_binsource_t* q);
SRSLTE_API int srslte_binsource_cache_gen(srslte_binsource_t* q, int nbits);
SRSLTE_API void srslte_binsource_cache_cpy(srslte_binsource_t* q, uint8_t* bits, int nbits);
SRSLTE_API int srslte_binsource_generate(srslte_binsource_t* q, uint8_t* bits, int nbits);
#endif // SRSLTE_BINSOURCE_H