mirror of https://github.com/PentHertz/srsLTE.git
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/**********************************************************************************************
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* File: timestamp.h
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*
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* Description: A simple timestamp struct with separate variables for full and frac seconds.
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* Separate variables are used to avoid loss of precision in our frac seconds.
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* Only positive timestamps are supported.
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*
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* Reference:
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*********************************************************************************************/
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#ifndef SRSLTE_TIMESTAMP_H
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#define SRSLTE_TIMESTAMP_H
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#include "srslte/config.h"
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#include <stdbool.h>
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#include <stdint.h>
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#include <time.h>
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typedef struct SRSLTE_API{
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time_t full_secs;
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double frac_secs;
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}srslte_timestamp_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_timestamp_init(srslte_timestamp_t* t, time_t full_secs, double frac_secs);
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SRSLTE_API void srslte_timestamp_init_uint64(srslte_timestamp_t* ts_time, uint64_t ts_count, double base_srate);
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SRSLTE_API int srslte_timestamp_copy(srslte_timestamp_t* dest, srslte_timestamp_t* src);
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SRSLTE_API int srslte_timestamp_compare(srslte_timestamp_t* a, srslte_timestamp_t* b);
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SRSLTE_API int srslte_timestamp_add(srslte_timestamp_t* t, time_t full_secs, double frac_secs);
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SRSLTE_API int srslte_timestamp_sub(srslte_timestamp_t* t, time_t full_secs, double frac_secs);
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SRSLTE_API double srslte_timestamp_real(srslte_timestamp_t *t);
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SRSLTE_API bool srslte_timestamp_iszero(const srslte_timestamp_t* t);
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SRSLTE_API uint32_t srslte_timestamp_uint32(srslte_timestamp_t *t);
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SRSLTE_API uint64_t srslte_timestamp_uint64(const srslte_timestamp_t* t, double srate);
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#ifdef __cplusplus
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}
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#endif
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#endif // SRSLTE_TIMESTAMP_H
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