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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_LTE_CC_WORKER_H
#define SRSUE_LTE_CC_WORKER_H
#include "srsran/interfaces/ue_interfaces.h"
#include "srsran/srsran.h"
#include "srsue/hdr/phy/phy_common.h"
namespace srsue {
namespace lte {
class cc_worker
{
public:
cc_worker(uint32_t cc_idx, uint32_t max_prb, phy_common* phy, srslog::basic_logger& logger);
~cc_worker();
/* Functions used by main PHY thread */
cf_t* get_rx_buffer(uint32_t antenna_idx);
cf_t* get_tx_buffer(uint32_t antenna_idx);
uint32_t get_buffer_len();
void set_tti(uint32_t tti);
void set_cfo_nolock(float cfo);
float get_ref_cfo() const;
// Functions to set configuration.
// Warning: all these functions are unlocked and must be called while the worker is not processing data
void reset_cell_nolock();
bool set_cell_nolock(srsran_cell_t cell_);
void set_tdd_config_nolock(srsran_tdd_config_t config);
void set_config_nolock(const srsran::phy_cfg_t& phy_cfg);
void upd_config_dci_nolock(const srsran_dci_cfg_t& dci_cfg);
void set_uci_periodic_cqi(srsran_uci_data_t* uci_data);
bool work_dl_regular();
bool work_dl_mbsfn(srsran_mbsfn_cfg_t mbsfn_cfg);
bool work_ul(srsran_uci_data_t* uci_data);
int read_ce_abs(float* ce_abs, uint32_t tx_antenna, uint32_t rx_antenna);
int read_pdsch_d(cf_t* pdsch_d);
void update_measurements(std::vector<phy_meas_t>& serving_cells, cf_t* rssi_power_buffer = nullptr);
private:
void reset();
void dl_phy_to_mac_grant(srsran_pdsch_grant_t* phy_grant,
srsran_dci_dl_t* dl_dci,
mac_interface_phy_lte::mac_grant_dl_t* mac_grant);
void ul_phy_to_mac_grant(srsran_pusch_grant_t* phy_grant,
srsran_dci_ul_t* ul_dci,
uint32_t pid,
bool ul_grant_available,
mac_interface_phy_lte::mac_grant_ul_t* mac_grant);
/* Methods for DL... */
int decode_pdcch_ul();
int decode_pdcch_dl();
void decode_phich();
int decode_pdsch(srsran_pdsch_ack_resource_t ack_resource,
mac_interface_phy_lte::tb_action_dl_t* action,
bool acks[SRSRAN_MAX_CODEWORDS]);
int decode_pmch(mac_interface_phy_lte::tb_action_dl_t* action, srsran_mbsfn_cfg_t* mbsfn_cfg);
void new_mch_dl(mac_interface_phy_lte::tb_action_dl_t*);
/* Methods for UL */
bool encode_uplink(mac_interface_phy_lte::tb_action_ul_t* action, srsran_uci_data_t* uci_data);
void set_uci_sr(srsran_uci_data_t* uci_data);
void set_uci_aperiodic_cqi(srsran_uci_data_t* uci_data);
void set_uci_ack(srsran_uci_data_t* uci_data, bool is_grant_available, uint32_t dai_ul, bool is_pusch_available);
uint32_t get_wideband_cqi();
/* Common objects */
phy_common* phy = nullptr;
srslog::basic_logger& logger;
srsran_cell_t cell = {};
srsran_dl_sf_cfg_t sf_cfg_dl = {};
srsran_ul_sf_cfg_t sf_cfg_ul = {};
uint32_t cc_idx = 0;
bool cell_initiated = false;
cf_t* signal_buffer_rx[SRSRAN_MAX_PORTS] = {};
cf_t* signal_buffer_tx[SRSRAN_MAX_PORTS] = {};
uint32_t signal_buffer_max_samples = 0;
const static uint32_t mch_payload_buffer_sz = SRSRAN_MAX_BUFFER_SIZE_BYTES;
uint8_t mch_payload_buffer[mch_payload_buffer_sz];
srsran_softbuffer_rx_t mch_softbuffer = {};
/* Objects for DL */
srsran_ue_dl_t ue_dl = {};
srsran_ue_dl_cfg_t ue_dl_cfg = {};
srsran_pmch_cfg_t pmch_cfg = {};
srsran_chest_dl_cfg_t chest_mbsfn_cfg = {};
srsran_chest_dl_cfg_t chest_default_cfg = {};
/* Objects for UL */
srsran_ue_ul_t ue_ul = {};
srsran_ue_ul_cfg_t ue_ul_cfg = {};
};
} // namespace lte
} // namespace srsue
#endif // SRSUE_LTE_CC_WORKER_H