63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/* -*- c++ -*- */
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/*
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* @file
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* @author (C) 2015 by Roman Khassraf <rkhassraf@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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#ifndef INCLUDED_GSM_UNIVERSAL_TCH_CHANS_DEMAPPER_IMPL_H
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#define INCLUDED_GSM_UNIVERSAL_TCH_CHANS_DEMAPPER_IMPL_H
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#include <grgsm/demapping/tch_f_chans_demapper.h>
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namespace gr {
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namespace gsm {
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class tch_f_chans_demapper_impl : public tch_f_chans_demapper
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{
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private:
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unsigned int d_timeslot;
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// Downlink
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uint32_t d_frame_numbers_dl[3][8]; // for checking consecutive frame numbers of tch
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uint32_t d_frame_numbers_sacch_dl[4]; // for checking consecutive frame numbers of sacch
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pmt::pmt_t d_bursts_dl[3][8]; // for tch output headers+bursts
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pmt::pmt_t d_bursts_sacch_dl[4]; // for sacch output bursts
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// bool d_bursts_stolen[3]; // useless!
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// Uplink
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uint32_t d_frame_numbers_ul[3][8]; // for checking consecutive frame numbers of tch
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uint32_t d_frame_numbers_sacch_ul[4]; // for checking consecutive frame numbers of sacch
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pmt::pmt_t d_bursts_ul[3][8]; // for tch output headers+bursts
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pmt::pmt_t d_bursts_sacch_ul[4]; // for sacch output bursts
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void sacch_tch_demapper(uint32_t fn_mod13, u_int32_t fn_mod26, uint32_t frame_nr, pmt::pmt_t *d_bursts_sacch,
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uint32_t *d_frame_numbers_sacch, pmt::pmt_t d_bursts[3][8],
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uint32_t d_frame_numbers[3][8], pmt::pmt_t msg_out);
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public:
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tch_f_chans_demapper_impl(unsigned int timeslot_nr);
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~tch_f_chans_demapper_impl();
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void filter_tch_chans(pmt::pmt_t msg);
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};
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} // namespace gsm
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} // namespace gr
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#endif /* INCLUDED_GSM_UNIVERSAL_TCH_CHANS_DEMAPPER_IMPL_H */
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