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66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
11 years ago
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/*
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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 SCRAMBLING_
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#define SCRAMBLING_
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#include "lte/sequence.h"
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#include "lte/base.h"
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/* Scrambling has no state */
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void scrambling_bit(sequence_t *s, char *data);
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void scrambling_float(sequence_t *s, float *data);
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int scrambling_float_offset(sequence_t *s, float *data, int offset, int len);
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/* High-level API */
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/* channel integer values */
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#define PDSCH 0 /* also PUSCH */
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#define PCFICH 1
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#define PDCCH 2
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#define PBCH 3
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#define PMCH 4
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#define PUCCH 5
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typedef struct {
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sequence_t seq[NSUBFRAMES_X_FRAME];
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}scrambling_t;
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typedef struct {
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scrambling_t obj;
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struct scrambling_init {
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int hard;
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int q;
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int cell_id;
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int nrnti;
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int nMBSFN;
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int channel;
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int nof_symbols; // 7 normal 6 extended
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} init;
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void *input; // input type may be char or float depending on hard
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int in_len;
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struct scrambling_ctrl_in {
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int subframe;
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} ctrl_in;
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void *output;
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int *out_len;
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}scrambling_hl;
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#endif
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