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61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 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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#ifndef SRSLTE_DELAY_H
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#define SRSLTE_DELAY_H
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#include "srslte/config.h"
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#include "srslte/phy/common/timestamp.h"
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#include "srslte/phy/utils/ringbuffer.h"
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#include <stdint.h>
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typedef struct {
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float delay_min_us;
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float delay_max_us;
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float period_s;
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float init_time_s;
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uint32_t srate_max_hz;
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uint32_t srate_hz;
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float delay_us;
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uint32_t delay_nsamples;
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srslte_ringbuffer_t rb;
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cf_t* zero_buffer;
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} srslte_channel_delay_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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SRSLTE_API int srslte_channel_delay_init(srslte_channel_delay_t* q,
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float delay_min_us,
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float delay_max_us,
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float period_s,
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float init_time_s,
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uint32_t srate_max_hz);
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SRSLTE_API void srslte_channel_delay_update_srate(srslte_channel_delay_t* q, uint32_t srate_hz);
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SRSLTE_API void srslte_channel_delay_free(srslte_channel_delay_t* q);
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SRSLTE_API void srslte_channel_delay_execute(srslte_channel_delay_t* q,
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const cf_t* in,
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cf_t* out,
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uint32_t len,
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const srslte_timestamp_t* ts);
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#ifdef __cplusplus
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}
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#endif
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#endif // SRSLTE_DELAY_H
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