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/*
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* Copyright 2013-2019 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE 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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* srsLTE 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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#ifndef SRSLTE_MIB_SL_H
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#define SRSLTE_MIB_SL_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "srslte/config.h"
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#include "srslte/phy/common/phy_common_sl.h"
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/**
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* Master information block - Sidelink (MIB-SL and MIB-SL-V2X).
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*
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* \brief MIB-SL packing/unpacking functions to convert between bit streams
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*
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* Reference: 3GPP TS 36.331 version 15.6.0 Release 15 Sec. 6.5
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*/
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typedef struct SRSLTE_API {
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uint32_t mib_sl_len;
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// sl-Bandwidth-r12 enum {6, 15, 25, 50, 75, 100} (3 bits)
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uint32_t sl_bandwidth_r12;
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// tdd-ConfigSL-r12 (3 bits)
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uint32_t tdd_config_sl_r12;
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// directFrameNumber-r12 (10 bits)
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uint32_t direct_frame_number_r12;
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// directSubframeNumber-r12 (4 bits)
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uint32_t direct_subframe_number_r12;
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// inCoverage-r12 (1 bit)
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bool in_coverage_r12;
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// reserved-r12
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// TM2: (19 bits)
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// TM4: (27 bits)
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} srslte_mib_sl_t;
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static const int srslte_mib_sl_bandwith_to_prb[6] = {6, 15, 25, 50, 75, 100};
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SRSLTE_API int srslte_mib_sl_init(srslte_mib_sl_t* q, srslte_sl_tm_t tm);
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SRSLTE_API int srslte_mib_sl_set(srslte_mib_sl_t* q,
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uint32_t nof_prb,
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uint32_t tdd_config,
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uint32_t direct_frame_number,
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uint32_t direct_subframe_number,
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bool in_coverage);
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SRSLTE_API void srslte_mib_sl_pack(srslte_mib_sl_t* q, uint8_t* msg);
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SRSLTE_API void srslte_mib_sl_unpack(srslte_mib_sl_t* q, uint8_t* msg);
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SRSLTE_API void srslte_mib_sl_free(srslte_mib_sl_t* q);
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SRSLTE_API void srslte_mib_sl_printf(FILE* f, srslte_mib_sl_t* q);
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#endif // SRSLTE_MIB_SL_H
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