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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* Copyright (c) 2013, Ismael Gomez-Miguelez <gomezi@tcd.ie>.
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* This file is part of OSLD-lib (http://https://github.com/ismagom/osld-lib)
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*
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* OSLD-lib is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OSLD-lib 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OSLD-lib. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SYNC_
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#define SYNC_
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#include "pss.h"
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#include "sss.h"
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#include "sfo.h"
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enum sync_pss_det { ABSOLUTE, PEAK_MEAN};
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typedef struct {
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pss_synch_t pss[3]; // One for each N_id_2
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sss_synch_t sss[3]; // One for each N_id_2
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enum sync_pss_det pss_mode;
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float threshold;
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float peak_to_avg;
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int force_N_id_2;
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int N_id_2;
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int N_id_1;
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int slot_id;
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float cfo;
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}sync_t;
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int sync_run(sync_t *q, cf_t *input, int read_offset);
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float sync_get_cfo(sync_t *q);
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void sync_pss_det_absolute(sync_t *q);
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void sync_pss_det_peakmean(sync_t *q);
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void sync_force_N_id_2(sync_t *q, int force_N_id_2);
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int sync_get_slot_id(sync_t *q);
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float sync_get_peak_to_avg(sync_t *q);
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int sync_get_N_id_2(sync_t *q);
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int sync_get_N_id_1(sync_t *q);
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int sync_get_cell_id(sync_t *q);
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void sync_set_threshold(sync_t *q, float threshold);
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int sync_init(sync_t *q, int frame_size);
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void sync_free(sync_t *q);
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#endif
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