52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/* -*- c++ -*- */
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/* @file
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* @author Piotr Krysik <ptrkrysik@gmail.com>
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* @section LICENSE
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*
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* Gr-gsm is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* Gr-gsm 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gr-gsm; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef INCLUDED_GRGSM_FN_TIME_H
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#define INCLUDED_GRGSM_FN_TIME_H
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#include <stdint.h>
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#include <grgsm/misc_utils/time_spec.h>
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namespace gr {
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namespace gsm {
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/**
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* Computes difference between reference frame number
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* and a second frame number.
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* @param fn_ref reference frame number modulo GSM_HYPER_FRAME
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* @param fn second frame number modulo GSM_HYPER_FRAME
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* @param time_ref precise timestamp of the first sample in the fn_ref
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* @param time_hint coarse time for fn that is used as a hint to avoid
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* ambiguities caused by modulo operation applied to
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* frame numbers
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* @return difference between fn_ref and fn
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*/
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time_spec_t fn_time_delta2(uint32_t fn_ref, time_spec_t time_ref, uint32_t fn_x,
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time_spec_t time_hint, uint32_t ts_num, uint32_t ts_ref);
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} // namespace grgsm
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} // namespace gr
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#endif /* INCLUDED_GRGSM_FN_TIME_H */
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