diff options
author | Piotr Krysik <ptrkrysik@gmail.com> | 2017-10-31 11:30:59 +0100 |
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committer | Piotr Krysik <ptrkrysik@gmail.com> | 2017-10-31 11:30:59 +0100 |
commit | 34ce7a02f071c0aa4661799aa566236c92955d74 (patch) | |
tree | fcc6a4fcc0fbe2680a295b2a3ae25ac2547c2488 /include | |
parent | 29ec39b3bd0c03113118f3735b2ea83f0d262844 (diff) |
Added C++ version of fn_time
Diffstat (limited to 'include')
-rw-r--r-- | include/grgsm/misc_utils/CMakeLists.txt | 3 | ||||
-rw-r--r-- | include/grgsm/misc_utils/fn_time.h | 51 |
2 files changed, 53 insertions, 1 deletions
diff --git a/include/grgsm/misc_utils/CMakeLists.txt b/include/grgsm/misc_utils/CMakeLists.txt index 878fcfd..5bfef6a 100644 --- a/include/grgsm/misc_utils/CMakeLists.txt +++ b/include/grgsm/misc_utils/CMakeLists.txt @@ -34,5 +34,6 @@ install(FILES message_printer.h tmsi_dumper.h msg_to_tag.h - controlled_fractional_resampler_cc.h DESTINATION include/grgsm/misc_utils + controlled_fractional_resampler_cc.h + fn_time.h DESTINATION include/grgsm/misc_utils ) diff --git a/include/grgsm/misc_utils/fn_time.h b/include/grgsm/misc_utils/fn_time.h new file mode 100644 index 0000000..240506a --- /dev/null +++ b/include/grgsm/misc_utils/fn_time.h @@ -0,0 +1,51 @@ +/* -*- c++ -*- */ +/* @file + * @author Piotr Krysik <ptrkrysik@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 <stdint.h> +#include <uhd/types/time_spec.hpp> + +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 + */ + uhd::time_spec_t fn_time_delta(uint32_t fn_ref, uhd::time_spec_t time_ref, uint32_t fn_x, + uhd::time_spec_t time_hint, uint32_t ts_num, uint32_t ts_ref); + + } // namespace grgsm +} // namespace gr + +#endif /* INCLUDED_GRGSM_FN_TIME_H */ + |