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C++

/**
* Copyright 2013-2023 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_PHY_NR_SA_H
#define SRSUE_PHY_NR_SA_H
#include "phy_common.h"
#include "srsran/interfaces/ue_nr_interfaces.h"
#include "srsue/hdr/phy/nr/sync_sa.h"
#include "srsue/hdr/phy/ue_phy_base.h"
namespace srsue {
/**
* @brief NR Standalone PHY
*/
class phy_nr_sa final : public ue_phy_base, public phy_interface_stack_nr, public srsran::phy_interface_radio
{
public:
phy_nr_sa(const char* logname);
~phy_nr_sa() final { stop(); }
int init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_);
void wait_initialize() final;
bool is_initialized() final;
void stop() final;
void reset_nr() final;
void start_plot() final {}
void radio_overflow() final {}
void radio_failure() final {}
std::string get_type() final { return "nr_soft"; }
int set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type) final;
void send_prach(const uint32_t prach_occasion,
const int preamble_index,
const float preamble_received_target_power,
const float ta_base_sec) final;
void set_timeadv_rar(uint32_t tti, uint32_t ta_cmd) final;
void set_timeadv(uint32_t tti, uint32_t ta_cmd) final;
void set_earfcn(std::vector<uint32_t> earfcns);
bool has_valid_sr_resource(uint32_t sr_id) final;
void clear_pending_grants() final;
bool set_config(const srsran::phy_cfg_nr_t& cfg) final;
phy_nr_state_t get_state() final;
bool start_cell_search(const cell_search_args_t& req) final;
bool start_cell_select(const cell_select_args_t& req) final;
void get_metrics(const srsran::srsran_rat_t& rat, phy_metrics_t* m) final
{
if (rat == srsran::srsran_rat_t::nr) {
return workers.get_metrics(*m);
}
};
void srsran_phy_logger(phy_logger_level_t log_level, char* str);
private:
srslog::basic_logger& logger;
srslog::basic_logger& logger_phy_lib;
nr::worker_pool workers;
nr::sync_sa sync;
srsran::phy_cfg_nr_t config_nr = {};
phy_args_nr_t args = {};
srsran_carrier_nr_t selected_cell = {};
srsran::radio_interface_phy* radio = nullptr;
stack_interface_phy_nr* stack = nullptr;
std::atomic<bool> is_configured = {false};
// Since cell_search/cell_select operations take a lot of time, we use another queue to process the other commands
// in parallel and avoid accumulating in the queue
phy_cmd_proc cmd_worker_cell, cmd_worker;
// Run initialization functions in the background
void init_background();
std::thread init_thread;
const static int MAX_WORKERS = 4;
const static int DEFAULT_WORKERS = 4;
static void set_default_args(phy_args_nr_t& args);
bool check_args(const phy_args_nr_t& args);
};
} // namespace srsue
#endif // SRSUE_PHY_NR_SA_H