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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2015 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of the srsUE library.
*
* srsUE 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.
*
* srsUE 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 UEPHYWORKER_H
#define UEPHYWORKER_H
#include <string.h>
#include "srslte/srslte.h"
#include "srslte/common/thread_pool.h"
#include "srslte/common/trace.h"
#include "phy/phch_common.h"
#define LOG_EXECTIME
namespace srsue {
class phch_worker : public srslte::thread_pool::worker
{
public:
phch_worker();
~phch_worker();
void reset();
void set_common(phch_common *phy);
bool init(uint32_t max_prb, srslte::log *log, srslte::log *log_phy_lib_h, chest_feedback_itf *chest_loop);
bool set_cell(srslte_cell_t cell);
/* Functions used by main PHY thread */
cf_t* get_buffer(uint32_t antenna_idx);
void set_tti(uint32_t tti, uint32_t tx_tti);
void set_tx_time(srslte_timestamp_t tx_time, uint32_t next_offset);
void set_cfo(float cfo);
void set_sample_offset(float sample_offset);
void set_ul_params(bool pregen_disabled = false);
void set_crnti(uint16_t rnti);
void enable_pregen_signals(bool enabled);
void start_trace();
void write_trace(std::string filename);
int read_ce_abs(float *ce_abs);
int read_pdsch_d(cf_t *pdsch_d);
void start_plot();
float get_ref_cfo();
private:
/* Inherited from thread_pool::worker. Function called every subframe to run the DL/UL processing */
void work_imp();
/* Internal methods */
bool extract_fft_and_pdcch_llr();
void compute_ri();
/* ... for DL */
bool decode_pdcch_ul(mac_interface_phy::mac_grant_t *grant);
bool decode_pdcch_dl(mac_interface_phy::mac_grant_t *grant);
bool decode_phich(bool *ack);
int decode_pdsch(srslte_ra_dl_grant_t *grant,
uint8_t *payload[SRSLTE_MAX_CODEWORDS],
srslte_softbuffer_rx_t *softbuffers[SRSLTE_MAX_CODEWORDS],
int rv[SRSLTE_MAX_CODEWORDS],
uint16_t rnti,
uint32_t pid,
bool acks[SRSLTE_MAX_CODEWORDS]);
/* ... for UL */
void encode_pusch(srslte_ra_ul_grant_t *grant, uint8_t *payload, uint32_t current_tx_nb, srslte_softbuffer_tx_t *softbuffer,
uint32_t rv, uint16_t rnti, bool is_from_rar);
void encode_pucch();
void encode_srs();
void reset_uci();
void set_uci_sr();
void set_uci_periodic_cqi();
void set_uci_aperiodic_cqi();
void set_uci_ack(bool ack[SRSLTE_MAX_CODEWORDS], bool tb_en[SRSLTE_MAX_CODEWORDS]);
bool srs_is_ready_to_send();
float set_power(float tx_power);
void setup_tx_gain();
void update_measurements();
void tr_log_start();
void tr_log_end();
struct timeval tr_time[3];
srslte::trace<uint32_t> tr_exec;
bool trace_enabled;
/* Common objects */
phch_common *phy;
srslte::log *log_h;
srslte::log *log_phy_lib_h;
chest_feedback_itf *chest_loop;
srslte_cell_t cell;
bool mem_initiated;
bool cell_initiated;
cf_t *signal_buffer[SRSLTE_MAX_PORTS];
uint32_t tti;
uint32_t tx_tti;
bool pregen_enabled;
uint32_t last_dl_pdcch_ncce;
bool rnti_is_set;
uint32_t next_offset;
/* Objects for DL */
srslte_ue_dl_t ue_dl;
uint32_t cfi;
uint16_t dl_rnti;
/* Objects for UL */
srslte_ue_ul_t ue_ul;
srslte_timestamp_t tx_time;
srslte_uci_data_t uci_data;
uint16_t ul_rnti;
// UL configuration parameters
srslte_refsignal_srs_cfg_t srs_cfg;
srslte_pucch_cfg_t pucch_cfg;
srslte_refsignal_dmrs_pusch_cfg_t dmrs_cfg;
srslte_pusch_hopping_cfg_t pusch_hopping;
srslte_pucch_sched_t pucch_sched;
srslte_uci_cfg_t uci_cfg;
srslte_cqi_periodic_cfg_t period_cqi;
srslte_ue_ul_powerctrl_t power_ctrl;
uint32_t I_sr;
bool sr_configured;
float cfo;
bool rar_cqi_request;
// Metrics
dl_metrics_t dl_metrics;
ul_metrics_t ul_metrics;
#ifdef LOG_EXECTIME
struct timeval logtime_start[3];
bool chest_done;
#endif
};
} // namespace srsue
#endif // UEPHYWORKER_H