You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

68 lines
2.3 KiB
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_SEARCH_H
#define SRSUE_SEARCH_H
#include "srsran/radio/radio.h"
#include "srsran/srslog/srslog.h"
#include "srsran/srsran.h"
namespace srsue {
class search_callback
{
public:
virtual int radio_recv_fnc(srsran::rf_buffer_t&, srsran_timestamp_t* rx_time) = 0;
virtual void set_ue_sync_opts(srsran_ue_sync_t* q, float cfo) = 0;
virtual srsran::radio_interface_phy* get_radio() = 0;
virtual void set_rx_gain(float gain) = 0;
};
// Class to run cell search
class search
{
public:
typedef enum { CELL_NOT_FOUND, CELL_FOUND, ERROR, TIMEOUT } ret_code;
explicit search(srslog::basic_logger& logger) : logger(logger) {}
~search();
void init(srsran::rf_buffer_t& buffer_, uint32_t nof_rx_channels, search_callback* parent, int force_N_id_2_, int force_N_id_1_);
void reset();
float get_last_cfo();
void set_agc_enable(bool enable);
ret_code run(srsran_cell_t* cell, std::array<uint8_t, SRSRAN_BCH_PAYLOAD_LEN>& bch_payload);
void set_cp_en(bool enable);
private:
search_callback* p = nullptr;
srslog::basic_logger& logger;
srsran::rf_buffer_t buffer = {};
srsran_ue_cellsearch_t cs = {};
srsran_ue_mib_sync_t ue_mib_sync = {};
int force_N_id_2 = 0;
int force_N_id_1 = 0;
};
}; // namespace srsue
#endif // SRSUE_SEARCH_H