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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 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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/**
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*
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* @file dci_nbiot.h
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*
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* @brief Downlink control information (DCI) for NB-IoT.
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*
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* Packing/Unpacking functions to convert between bit streams
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* and packed DCI UL/DL grants defined in ra_nbiot.h
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*
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* Reference: 3GPP TS 36.212 version 13.2.0 Release 13 Sec. 6.4.3
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*
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*/
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#ifndef SRSRAN_DCI_NBIOT_H
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#define SRSRAN_DCI_NBIOT_H
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#include <stdint.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/phch/dci.h"
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#include "srsran/phy/phch/ra_nbiot.h"
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#define SRSRAN_DCI_MAX_BITS 128
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#define SRSRAN_NBIOT_RAR_GRANT_LEN 15
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SRSRAN_API void srsran_nbiot_dci_rar_grant_unpack(srsran_nbiot_dci_rar_grant_t* rar,
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const uint8_t grant[SRSRAN_NBIOT_RAR_GRANT_LEN]);
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SRSRAN_API int srsran_nbiot_dci_msg_to_dl_grant(const srsran_dci_msg_t* msg,
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const uint16_t msg_rnti,
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srsran_ra_nbiot_dl_dci_t* dl_dci,
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srsran_ra_nbiot_dl_grant_t* grant,
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const uint32_t sfn,
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const uint32_t sf_idx,
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const uint32_t r_max,
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const srsran_nbiot_mode_t mode);
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SRSRAN_API int srsran_nbiot_dci_msg_to_ul_grant(const srsran_dci_msg_t* msg,
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srsran_ra_nbiot_ul_dci_t* ul_dci,
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srsran_ra_nbiot_ul_grant_t* grant,
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const uint32_t rx_tti,
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const srsran_npusch_sc_spacing_t spacing);
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SRSRAN_API int
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srsran_nbiot_dci_rar_to_ul_grant(srsran_nbiot_dci_rar_grant_t* rar, srsran_ra_nbiot_ul_grant_t* grant, uint32_t rx_tti);
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SRSRAN_API bool srsran_nbiot_dci_location_isvalid(const srsran_dci_location_t* c);
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SRSRAN_API int srsran_dci_msg_pack_npdsch(const srsran_ra_nbiot_dl_dci_t* data,
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const srsran_dci_format_t format,
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srsran_dci_msg_t* msg,
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const bool crc_is_crnti);
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SRSRAN_API int
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srsran_dci_msg_unpack_npdsch(const srsran_dci_msg_t* msg, srsran_ra_nbiot_dl_dci_t* data, const bool crc_is_crnti);
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SRSRAN_API int srsran_dci_msg_unpack_npusch(const srsran_dci_msg_t* msg, srsran_ra_nbiot_ul_dci_t* data);
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SRSRAN_API uint32_t srsran_dci_nbiot_format_sizeof(srsran_dci_format_t format);
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#endif // SRSRAN_DCI_NBIOT_H
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