mirror of https://github.com/PentHertz/srsLTE.git
166 lines
4.7 KiB
C++
166 lines
4.7 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 UEPHY_H
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#define UEPHY_H
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#include "srslte/srslte.h"
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#include "srslte/common/log.h"
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#include "phy/phy_metrics.h"
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#include "phy/phch_recv.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/radio/radio.h"
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#include "srslte/common/task_dispatcher.h"
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#include "srslte/common/trace.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 phy
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: public phy_interface_mac
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, public phy_interface_rrc
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{
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public:
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phy();
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bool init(srslte::radio_multi *radio_handler,
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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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phy_args_t *args = NULL);
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void stop();
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void set_agc_enable(bool enabled);
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void get_metrics(phy_metrics_t &m);
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static uint32_t tti_to_SFN(uint32_t tti);
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static uint32_t tti_to_subf(uint32_t tti);
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void enable_pregen_signals(bool enable);
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void start_trace();
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void write_trace(std::string filename);
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/********** RRC INTERFACE ********************/
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void reset();
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bool status_is_sync();
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void configure_ul_params(bool pregen_disabled = false);
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void resync_sfn();
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/********** MAC INTERFACE ********************/
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/* Functions to synchronize with a cell */
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void sync_start();
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void sync_stop();
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/* Sets a C-RNTI allowing the PHY to pregenerate signals if necessary */
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void set_crnti(uint16_t rnti);
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/* Instructs the PHY to configure using the parameters written by set_param() */
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void configure_prach_params();
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/* Transmits PRACH in the next opportunity */
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void prach_send(uint32_t preamble_idx, int allowed_subframe = -1, float target_power_dbm = 0.0);
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int prach_tx_tti();
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/* Indicates the transmission of a SR signal in the next opportunity */
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void sr_send();
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int sr_last_tx_tti();
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// Time advance commands
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void set_timeadv_rar(uint32_t ta_cmd);
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void set_timeadv(uint32_t ta_cmd);
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/* Sets RAR grant payload */
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void set_rar_grant(uint32_t tti, uint8_t grant_payload[SRSLTE_RAR_GRANT_LEN]);
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/* Instruct the PHY to decode PDCCH with the CRC scrambled with given RNTI */
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void pdcch_ul_search(srslte_rnti_type_t rnti_type, uint16_t rnti, int tti_start = -1, int tti_end = -1);
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void pdcch_dl_search(srslte_rnti_type_t rnti_type, uint16_t rnti, int tti_start = -1, int tti_end = -1);
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void pdcch_ul_search_reset();
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void pdcch_dl_search_reset();
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/* Get/Set PHY parameters interface from RRC */
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void get_config(phy_cfg_t *phy_cfg);
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void set_config(phy_cfg_t *phy_cfg);
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void set_config_dedicated(LIBLTE_RRC_PHYSICAL_CONFIG_DEDICATED_STRUCT *dedicated);
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void set_config_common(phy_cfg_common_t *common);
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void set_config_tdd(LIBLTE_RRC_TDD_CONFIG_STRUCT *tdd);
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void set_config_64qam_en(bool enable);
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float get_phr();
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float get_pathloss_db();
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uint32_t get_current_tti();
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void get_current_cell(srslte_cell_t *cell);
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void start_plot();
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private:
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uint32_t nof_workers;
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const static int MAX_WORKERS = 4;
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const static int DEFAULT_WORKERS = 2;
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const static int SF_RECV_THREAD_PRIO = 1;
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const static int WORKERS_THREAD_PRIO = 0;
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srslte::radio_multi *radio_handler;
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srslte::log *log_h;
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srslte::thread_pool workers_pool;
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std::vector<phch_worker> workers;
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phch_common workers_common;
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phch_recv sf_recv;
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prach prach_buffer;
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srslte_cell_t cell;
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phy_cfg_t config;
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phy_args_t *args;
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phy_args_t default_args;
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/* Current time advance */
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uint32_t n_ta;
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bool init_(srslte::radio *radio_handler, mac_interface_phy *mac, srslte::log *log_h, bool do_agc, uint32_t nof_workers);
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void set_default_args(phy_args_t *args);
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bool check_args(phy_args_t *args);
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};
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} // namespace srsue
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#endif // UEPHY_H
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