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C++

/**
* Copyright 2013-2020 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE 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.
*
* srsLTE 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_LTE_SF_WORKER_H
#define SRSUE_LTE_SF_WORKER_H
#include "cc_worker.h"
#include "srslte/common/thread_pool.h"
#include "srslte/srslte.h"
#include "srsue/hdr/phy/phy_common.h"
#include <string.h>
namespace srsue {
namespace lte {
/**
* The sf_worker class handles the PHY processing, UL and DL procedures associated with 1 subframe.
* It contains multiple cc_worker objects, one for each component carrier which may be executed in
* one or multiple threads.
*
* A sf_worker object is executed by a thread within the thread_pool.
*/
class sf_worker : public srslte::thread_pool::worker
{
public:
sf_worker(uint32_t max_prb, phy_common* phy, srslte::log* log);
virtual ~sf_worker();
void reset_cell_unlocked(uint32_t cc_idx);
bool set_cell_unlocked(uint32_t cc_idx, srslte_cell_t cell_);
/* Functions used by main PHY thread */
cf_t* get_buffer(uint32_t cc_idx, uint32_t antenna_idx);
uint32_t get_buffer_len();
void set_tti(uint32_t tti);
void set_tx_time(const srslte::rf_timestamp_t& tx_time);
void set_prach(cf_t* prach_ptr, float prach_power);
void set_cfo_unlocked(const uint32_t& cc_idx, float cfo);
void set_tdd_config_unlocked(srslte_tdd_config_t config);
void set_config_unlocked(uint32_t cc_idx, srslte::phy_cfg_t phy_cfg);
void set_crnti_unlocked(uint16_t rnti);
void enable_pregen_signals_unlocked(bool enabled);
///< Methods for plotting called from GUI thread
int read_ce_abs(float* ce_abs, uint32_t tx_antenna, uint32_t rx_antenna);
uint32_t get_cell_nof_ports()
{
// wait until cell is initialized
std::unique_lock<std::mutex> lock(cell_mutex);
while (!cell_initiated) {
cell_init_cond.wait(lock);
}
return cell.nof_ports;
}
uint32_t get_rx_nof_antennas() { return phy->args->nof_rx_ant; }
int read_pdsch_d(cf_t* pdsch_d);
float get_cfo();
void start_plot();
private:
/* Inherited from thread_pool::worker. Function called every subframe to run the DL/UL processing */
void work_imp() final;
void update_measurements();
void reset_uci(srslte_uci_data_t* uci_data);
std::vector<cc_worker*> cc_workers;
phy_common* phy = nullptr;
srslte::log* log_h = nullptr;
srslte_cell_t cell = {};
std::mutex cell_mutex;
srslte_tdd_config_t tdd_config = {};
std::condition_variable cell_init_cond;
bool cell_initiated = false;
cf_t* prach_ptr = nullptr;
float prach_power = 0;
uint32_t tti = 0;
srslte::rf_timestamp_t tx_time = {};
};
} // namespace lte
} // namespace srsue
#endif // SRSUE_LTE_SF_WORKER_H