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C++

/**
* Copyright 2013-2021 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN 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.
*
* srsRAN 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 SRSUE_PROC_SR_NR_H
#define SRSUE_PROC_SR_NR_H
#include "srsran/interfaces/ue_mac_interfaces.h"
#include "srsran/interfaces/ue_nr_interfaces.h"
#include "srsran/srslog/srslog.h"
#include "srsue/hdr/stack/mac_nr/mac_nr_interfaces.h"
#include <mutex>
#include <stdint.h>
/// Scheduling Request procedure as defined in 5.4.4 of 38.321
/// Note: currently only a single SR config for all logical channels is supported
namespace srsue {
class proc_ra_nr;
class rrc_interface_mac;
class proc_sr_nr
{
public:
explicit proc_sr_nr(srslog::basic_logger& logger);
int32_t init(mac_interface_sr_nr* mac_, phy_interface_mac_nr* phy_, rrc_interface_mac* rrc_);
void step(uint32_t tti);
int32_t set_config(const srsran::sr_cfg_nr_t& cfg);
void reset();
void start();
bool sr_opportunity(uint32_t tti, uint32_t sr_id, bool meas_gap, bool ul_sch_tx);
private:
void reset_nolock();
int sr_counter = 0;
bool is_pending_sr = false;
srsran::sr_cfg_nr_t cfg = {};
mac_interface_sr_nr* mac = nullptr;
rrc_interface_mac* rrc = nullptr;
phy_interface_mac_nr* phy = nullptr;
srslog::basic_logger& logger;
bool initiated = false;
std::mutex mutex;
};
} // namespace srsue
#endif // SRSUE_PROC_SR_H