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