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157 lines
4.8 KiB
C++
157 lines
4.8 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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/******************************************************************************
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* File: phy_interface.h
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* Description: PHY layer interfaces provided to other layers
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* Reference:
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*****************************************************************************/
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#ifndef PHY_INTERFACE_H
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#define PHY_INTERFACE_H
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#include <stdint.h>
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#include <string>
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#include "srslte/srslte.h"
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#include "asn1/liblte_rrc.h"
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namespace srsue {
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typedef struct {
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bool ul_pwr_ctrl_en;
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float prach_gain;
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int pdsch_max_its;
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bool attach_enable_64qam;
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int nof_phy_threads;
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int worker_cpu_mask;
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int sync_cpu_affinity;
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uint32_t nof_rx_ant;
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std::string equalizer_mode;
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int cqi_max;
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int cqi_fixed;
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float snr_ema_coeff;
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std::string snr_estim_alg;
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bool cfo_integer_enabled;
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float cfo_correct_tol_hz;
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int time_correct_period;
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bool sfo_correct_disable;
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std::string sss_algorithm;
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float estimator_fil_w;
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bool rssi_sensor_enabled;
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} phy_args_t;
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/* Interface MAC -> PHY */
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class phy_interface_mac
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{
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public:
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/* Configure PRACH using parameters written by RRC */
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virtual void configure_prach_params() = 0;
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/* Start synchronization with strongest cell in the current carrier frequency */
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virtual void sync_start() = 0;
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virtual void sync_stop() = 0;
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/* Sets a C-RNTI allowing the PHY to pregenerate signals if necessary */
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virtual void set_crnti(uint16_t rnti) = 0;
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virtual void prach_send(uint32_t preamble_idx, int allowed_subframe, float target_power_dbm) = 0;
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virtual int prach_tx_tti() = 0;
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/* Indicates the transmission of a SR signal in the next opportunity */
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virtual void sr_send() = 0;
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virtual int sr_last_tx_tti() = 0;
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/* Time advance commands */
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virtual void set_timeadv_rar(uint32_t ta_cmd) = 0;
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virtual void set_timeadv(uint32_t ta_cmd) = 0;
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/* Sets RAR grant payload */
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virtual void set_rar_grant(uint32_t tti, uint8_t grant_payload[SRSLTE_RAR_GRANT_LEN]) = 0;
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/* Instruct the PHY to decode PDCCH with the CRC scrambled with given RNTI */
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virtual void pdcch_ul_search(srslte_rnti_type_t rnti_type, uint16_t rnti, int tti_start = -1, int tti_end = -1) = 0;
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virtual void pdcch_dl_search(srslte_rnti_type_t rnti_type, uint16_t rnti, int tti_start = -1, int tti_end = -1) = 0;
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virtual void pdcch_ul_search_reset() = 0;
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virtual void pdcch_dl_search_reset() = 0;
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virtual uint32_t get_current_tti() = 0;
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virtual float get_phr() = 0;
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virtual float get_pathloss_db() = 0;
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};
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class phy_interface_rrc
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{
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public:
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typedef struct {
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LIBLTE_RRC_PRACH_CONFIG_SIB_STRUCT prach_cnfg;
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LIBLTE_RRC_PDSCH_CONFIG_COMMON_STRUCT pdsch_cnfg;
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LIBLTE_RRC_PUSCH_CONFIG_COMMON_STRUCT pusch_cnfg;
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LIBLTE_RRC_PHICH_CONFIG_STRUCT phich_cnfg;
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LIBLTE_RRC_PUCCH_CONFIG_COMMON_STRUCT pucch_cnfg;
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LIBLTE_RRC_SRS_UL_CONFIG_COMMON_STRUCT srs_ul_cnfg;
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LIBLTE_RRC_UL_POWER_CONTROL_COMMON_STRUCT ul_pwr_ctrl;
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LIBLTE_RRC_TDD_CONFIG_STRUCT tdd_cnfg;
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LIBLTE_RRC_ANTENNA_PORTS_COUNT_ENUM ant_info;
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} phy_cfg_common_t;
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typedef struct {
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LIBLTE_RRC_PHYSICAL_CONFIG_DEDICATED_STRUCT dedicated;
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phy_cfg_common_t common;
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bool enable_64qam;
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} phy_cfg_t;
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virtual void get_current_cell(srslte_cell_t *cell) = 0;
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virtual void get_config(phy_cfg_t *phy_cfg) = 0;
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virtual void set_config(phy_cfg_t *phy_cfg) = 0;
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virtual void set_config_dedicated(LIBLTE_RRC_PHYSICAL_CONFIG_DEDICATED_STRUCT *dedicated) = 0;
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virtual void set_config_common(phy_cfg_common_t *common) = 0;
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virtual void set_config_tdd(LIBLTE_RRC_TDD_CONFIG_STRUCT *tdd) = 0;
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virtual void set_config_64qam_en(bool enable) = 0;
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/* Is the PHY downlink synchronized? */
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virtual bool status_is_sync() = 0;
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/* Configure UL using parameters written with set_param() */
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virtual void configure_ul_params(bool pregen_disabled = false) = 0;
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virtual void reset() = 0;
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virtual void resync_sfn() = 0;
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};
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}
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#endif
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