| /* -*- c++ -*- */ |
| /* @file |
| * @author Piotr Krysik <ptrkrysik@gmail.com> |
| * @author Vadim Yanitskiy <axilirator@gmail.com> |
| * @section LICENSE |
| * |
| * Gr-gsm is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 3, or (at your option) |
| * any later version. |
| * |
| * Gr-gsm is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with gr-gsm; see the file COPYING. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| |
| #ifndef INCLUDED_GRGSM_FN_TIME_H |
| #define INCLUDED_GRGSM_FN_TIME_H |
| |
| #include <grgsm/api.h> |
| #include <stdint.h> |
| #include <utility> |
| |
| namespace gr { |
| namespace gsm { |
| |
| /** |
| * Computes difference between reference frame number |
| * and a second frame number. |
| * @param fn_ref reference frame number modulo GSM_HYPER_FRAME |
| * @param fn second frame number modulo GSM_HYPER_FRAME |
| * @param time_ref precise timestamp of the first sample in the fn_ref |
| * @param time_hint coarse time for fn that is used as a hint to avoid |
| * ambiguities caused by modulo operation applied to |
| * frame numbers |
| * @return difference between fn_ref and fn |
| */ |
| typedef std::pair<unsigned long long, double> time_format; |
| |
| GRGSM_API time_format fn_time_delta_cpp(uint32_t fn_ref, time_format time_ref, uint32_t fn_x, |
| time_format time_hint, uint32_t ts_num, uint32_t ts_ref); |
| |
| } // namespace gsm |
| } // namespace gr |
| |
| #endif /* INCLUDED_GRGSM_FN_TIME_H */ |
| |