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/**
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN 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 Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/******************************************************************************
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* File: scrambling.h
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*
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* Description: Generic scrambling functions used by UL and DL channels.
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*
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* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 5.3.1, 6.3.1
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*****************************************************************************/
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#ifndef SRSRAN_SCRAMBLING_H
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#define SRSRAN_SCRAMBLING_H
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#include "srsran/config.h"
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#include "srsran/phy/common/phy_common.h"
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#include "srsran/phy/common/sequence.h"
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/* Scrambling has no state */
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SRSRAN_API void srsran_scrambling_b(srsran_sequence_t* s, uint8_t* data);
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SRSRAN_API void srsran_scrambling_b_offset(srsran_sequence_t* s, uint8_t* data, int offset, int len);
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SRSRAN_API void srsran_scrambling_bytes(srsran_sequence_t* s, uint8_t* data, int len);
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SRSRAN_API void srsran_scrambling_f(srsran_sequence_t* s, float* data);
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SRSRAN_API void srsran_scrambling_f_offset(srsran_sequence_t* s, float* data, int offset, int len);
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SRSRAN_API void srsran_scrambling_s(srsran_sequence_t* s, short* data);
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SRSRAN_API void srsran_scrambling_s_offset(srsran_sequence_t* s, short* data, int offset, int len);
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SRSRAN_API void srsran_scrambling_sb_offset(srsran_sequence_t* s, int8_t* data, int offset, int len);
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SRSRAN_API void srsran_scrambling_c(srsran_sequence_t* s, cf_t* data);
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SRSRAN_API void srsran_scrambling_c_offset(srsran_sequence_t* s, cf_t* data, int offset, int len);
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#endif // SRSRAN_SCRAMBLING_H
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