Piotr Krysik | 34ce7a0 | 2017-10-31 11:30:59 +0100 | [diff] [blame^] | 1 | /* -*- c++ -*- */ |
| 2 | /* @file |
| 3 | * @author Piotr Krysik <ptrkrysik@gmail.com> |
| 4 | * @section LICENSE |
| 5 | * |
| 6 | * Gr-gsm is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 3, or (at your option) |
| 9 | * any later version. |
| 10 | * |
| 11 | * Gr-gsm is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with gr-gsm; see the file COPYING. If not, write to |
| 18 | * the Free Software Foundation, Inc., 51 Franklin Street, |
| 19 | * Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | |
| 24 | #ifndef INCLUDED_GRGSM_FN_TIME_H |
| 25 | #define INCLUDED_GRGSM_FN_TIME_H |
| 26 | |
| 27 | #include <stdint.h> |
| 28 | #include <uhd/types/time_spec.hpp> |
| 29 | |
| 30 | namespace gr { |
| 31 | namespace gsm { |
| 32 | |
| 33 | /** |
| 34 | * Computes difference between reference frame number |
| 35 | * and a second frame number. |
| 36 | * @param fn_ref reference frame number modulo GSM_HYPER_FRAME |
| 37 | * @param fn second frame number modulo GSM_HYPER_FRAME |
| 38 | * @param time_ref precise timestamp of the first sample in the fn_ref |
| 39 | * @param time_hint coarse time for fn that is used as a hint to avoid |
| 40 | * ambiguities caused by modulo operation applied to |
| 41 | * frame numbers |
| 42 | * @return difference between fn_ref and fn |
| 43 | */ |
| 44 | uhd::time_spec_t fn_time_delta(uint32_t fn_ref, uhd::time_spec_t time_ref, uint32_t fn_x, |
| 45 | uhd::time_spec_t time_hint, uint32_t ts_num, uint32_t ts_ref); |
| 46 | |
| 47 | } // namespace grgsm |
| 48 | } // namespace gr |
| 49 | |
| 50 | #endif /* INCLUDED_GRGSM_FN_TIME_H */ |
| 51 | |