mirror of https://github.com/PentHertz/srsLTE.git
61 lines
1.8 KiB
C
61 lines
1.8 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef SRSRAN_DELAY_H
|
|
#define SRSRAN_DELAY_H
|
|
|
|
#include "srsran/config.h"
|
|
#include "srsran/phy/common/timestamp.h"
|
|
#include "srsran/phy/utils/ringbuffer.h"
|
|
#include <stdint.h>
|
|
|
|
typedef struct {
|
|
float delay_min_us;
|
|
float delay_max_us;
|
|
float period_s;
|
|
float init_time_s;
|
|
uint32_t srate_max_hz;
|
|
uint32_t srate_hz;
|
|
float delay_us;
|
|
uint32_t delay_nsamples;
|
|
|
|
srsran_ringbuffer_t rb;
|
|
cf_t* zero_buffer;
|
|
} srsran_channel_delay_t;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
SRSRAN_API int srsran_channel_delay_init(srsran_channel_delay_t* q,
|
|
float delay_min_us,
|
|
float delay_max_us,
|
|
float period_s,
|
|
float init_time_s,
|
|
uint32_t srate_max_hz);
|
|
|
|
SRSRAN_API void srsran_channel_delay_update_srate(srsran_channel_delay_t* q, uint32_t srate_hz);
|
|
|
|
SRSRAN_API void srsran_channel_delay_free(srsran_channel_delay_t* q);
|
|
|
|
SRSRAN_API void srsran_channel_delay_execute(srsran_channel_delay_t* q,
|
|
const cf_t* in,
|
|
cf_t* out,
|
|
uint32_t len,
|
|
const srsran_timestamp_t* ts);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // SRSRAN_DELAY_H
|