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88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
5 years ago
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/*
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* Copyright 2013-2020 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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#include "srslte/asn1/rrc_nr_asn1_utils.h"
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#include "srslte/asn1/rrc_nr_asn1.h"
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#include "srslte/config.h"
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#include <algorithm>
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namespace srslte {
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/***************************
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* PLMN ID
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**************************/
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bool plmn_is_valid(const asn1::rrc_nr::plmn_id_s& asn1_type)
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{
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return asn1_type.mcc_present and (asn1_type.mnc.size() == 3 or asn1_type.mnc.size() == 2);
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}
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plmn_id_t make_plmn_id_t(const asn1::rrc_nr::plmn_id_s& asn1_type)
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{
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if (not plmn_is_valid(asn1_type)) {
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return {};
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}
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plmn_id_t plmn;
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std::copy(&asn1_type.mcc[0], &asn1_type.mcc[3], &plmn.mcc[0]);
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plmn.nof_mnc_digits = asn1_type.mnc.size();
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std::copy(&asn1_type.mnc[0], &asn1_type.mnc[plmn.nof_mnc_digits], &plmn.mnc[0]);
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return plmn;
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}
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void to_asn1(asn1::rrc_nr::plmn_id_s* asn1_type, const plmn_id_t& cfg)
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{
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asn1_type->mcc_present = true;
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std::copy(&cfg.mcc[0], &cfg.mcc[3], &asn1_type->mcc[0]);
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asn1_type->mnc.resize(cfg.nof_mnc_digits);
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std::copy(&cfg.mnc[0], &cfg.mnc[cfg.nof_mnc_digits], &asn1_type->mnc[0]);
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}
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} // namespace srslte
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namespace srsenb {
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int set_sched_cell_cfg_sib1(srsenb::sched_interface::cell_cfg_t* sched_cfg, const asn1::rrc_nr::sib1_s& sib1)
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{
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bzero(sched_cfg, sizeof(srsenb::sched_interface::cell_cfg_t));
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// set SIB1 and SIB2+ period
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sched_cfg->sibs[0].period_rf = 16; // SIB1 is always 16 rf
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for (uint32_t i = 0; i < sib1.si_sched_info.sched_info_list.size(); i++) {
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sched_cfg->sibs[i + 1].period_rf = sib1.si_sched_info.sched_info_list[i].si_periodicity.to_number();
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}
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// si-WindowLength
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sched_cfg->si_window_ms = sib1.si_sched_info.si_win_len.to_number();
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// setup PRACH
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if (not sib1.si_sched_info.si_request_cfg.rach_occasions_si_present) {
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asn1::log_error("Expected RA Resp Win present\n");
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return SRSLTE_ERROR;
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}
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sched_cfg->prach_rar_window = sib1.si_sched_info.si_request_cfg.rach_occasions_si.rach_cfg_si.ra_resp_win.to_number();
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sched_cfg->prach_freq_offset = sib1.si_sched_info.si_request_cfg.rach_occasions_si.rach_cfg_si.msg1_freq_start;
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sched_cfg->maxharq_msg3tx = sib1.si_sched_info.si_request_cfg.rach_occasions_si.rach_cfg_si.preamb_trans_max;
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return SRSLTE_SUCCESS;
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}
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} // namespace srsenb
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