159 lines
3.8 KiB
C++
159 lines
3.8 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsUE library.
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*
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* srsUE 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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* srsUE 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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#ifndef UEPHYRECV_H
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#define UEPHYRECV_H
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#include "srslte/srslte.h"
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#include "srslte/common/log.h"
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#include "srslte/common/threads.h"
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#include "srslte/common/thread_pool.h"
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#include "srslte/radio/radio_multi.h"
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#include "phy/prach.h"
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#include "phy/phch_worker.h"
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#include "phy/phch_common.h"
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#include "srslte/interfaces/ue_interfaces.h"
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namespace srsue {
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typedef _Complex float cf_t;
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class phch_recv : public thread
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{
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public:
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phch_recv();
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~phch_recv();
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void init(srslte::radio_multi* radio_handler, mac_interface_phy *mac,rrc_interface_phy *rrc,
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prach *prach_buffer, srslte::thread_pool *_workers_pool,
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phch_common *_worker_com, srslte::log* _log_h, uint32_t nof_rx_antennas, uint32_t prio, int sync_cpu_affinity = -1);
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void stop();
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void set_agc_enable(bool enable);
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void resync_sfn();
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void set_earfcn(std::vector<uint32_t> earfcn);
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bool stop_sync();
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void cell_search_start();
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void cell_search_next();
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bool cell_select(uint32_t earfcn, srslte_cell_t cell);
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uint32_t get_current_tti();
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bool status_is_sync();
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void set_time_adv_sec(float time_adv_sec);
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void get_current_cell(srslte_cell_t *cell);
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const static int MUTEX_X_WORKER = 4;
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private:
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std::vector<uint32_t> earfcn;
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void set_ue_sync_opts(srslte_ue_sync_t *q);
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void run_thread();
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void set_sampling_rate();
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bool set_frequency();
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void cell_search_inc();
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bool init_cell();
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void free_cell();
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bool running;
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srslte::radio_multi *radio_h;
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mac_interface_phy *mac;
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rrc_interface_phy *rrc;
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srslte::log *log_h;
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srslte::thread_pool *workers_pool;
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phch_common *worker_com;
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prach *prach_buffer;
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// Structures for Cell Camp
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srslte_ue_sync_t ue_sync;
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srslte_ue_mib_t ue_mib;
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// Structures for Cell Search
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srslte_ue_cellsearch_t cs;
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srslte_ue_mib_sync_t ue_mib_sync;
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uint32_t nof_rx_antennas;
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cf_t *sf_buffer[SRSLTE_MAX_PORTS];
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// Sync metrics
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sync_metrics_t metrics;
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enum {
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IDLE, CELL_SEARCH, CELL_MEASURE, CELL_SELECT, CELL_CAMP
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} phy_state;
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bool is_in_idle;
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enum {
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SRATE_NONE=0, SRATE_FIND, SRATE_CAMP
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} srate_mode;
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srslte_cell_t cell;
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bool cell_is_set;
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bool is_sfn_synched;
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bool started;
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float time_adv_sec;
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uint32_t tti;
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bool do_agc;
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float last_gain;
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float cellsearch_cfo;
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uint32_t nof_tx_mutex;
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uint32_t tx_mutex_cnt;
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uint32_t current_earfcn;
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uint32_t sync_sfn_cnt;
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const static uint32_t SYNC_SFN_TIMEOUT = 100;
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float ul_dl_factor;
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int cur_earfcn_index;
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bool cell_search_in_progress;
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uint32_t measure_cnt;
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float measure_rsrp;
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srslte_ue_dl_t ue_dl_measure;
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const static int RSRP_MEASURE_NOF_FRAMES = 20;
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int cell_sync_sfn();
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int cell_meas_rsrp();
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bool cell_search(int force_N_id_2 = -1);
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bool set_cell();
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};
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} // namespace srsue
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#endif // UEPHYRECV_H
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