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C

/**
* Copyright 2013-2021 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
/******************************************************************************
* File: scrambling.h
*
* Description: Generic scrambling functions used by UL and DL channels.
*
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 5.3.1, 6.3.1
*****************************************************************************/
#ifndef SRSLTE_SCRAMBLING_H
#define SRSLTE_SCRAMBLING_H
#include "srslte/config.h"
#include "srslte/phy/common/phy_common.h"
#include "srslte/phy/common/sequence.h"
/* Scrambling has no state */
SRSLTE_API void srslte_scrambling_b(srslte_sequence_t* s, uint8_t* data);
SRSLTE_API void srslte_scrambling_b_offset(srslte_sequence_t* s, uint8_t* data, int offset, int len);
SRSLTE_API void srslte_scrambling_bytes(srslte_sequence_t* s, uint8_t* data, int len);
SRSLTE_API void srslte_scrambling_f(srslte_sequence_t* s, float* data);
SRSLTE_API void srslte_scrambling_f_offset(srslte_sequence_t* s, float* data, int offset, int len);
SRSLTE_API void srslte_scrambling_s(srslte_sequence_t* s, short* data);
SRSLTE_API void srslte_scrambling_s_offset(srslte_sequence_t* s, short* data, int offset, int len);
SRSLTE_API void srslte_scrambling_sb_offset(srslte_sequence_t* s, int8_t* data, int offset, int len);
SRSLTE_API void srslte_scrambling_c(srslte_sequence_t* s, cf_t* data);
SRSLTE_API void srslte_scrambling_c_offset(srslte_sequence_t* s, cf_t* data, int offset, int len);
#endif // SRSLTE_SCRAMBLING_H