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C

/**
* Copyright 2013-2021 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 SRSLTE_RF_UTILS_H
#define SRSLTE_RF_UTILS_H
#include "srslte/phy/rf/rf.h"
#include "srslte/srslte.h"
typedef struct SRSLTE_API {
uint32_t max_frames_pbch; // timeout in number of 5ms frames for MIB decoding
uint32_t max_frames_pss; // timeout in number of 5ms frames for synchronization
uint32_t nof_valid_pss_frames; // number of required synchronized frames
float init_agc; // 0 or negative to disable AGC
bool force_tdd;
} cell_search_cfg_t;
SRSLTE_API int rf_rssi_scan(srslte_rf_t* rf, float* freqs, float* rssi, int nof_bands, double fs, int nsamp);
SRSLTE_API int
rf_mib_decoder(srslte_rf_t* rf, uint32_t nof_rf_channels, cell_search_cfg_t* config, srslte_cell_t* cell, float* cfo);
SRSLTE_API int rf_cell_search(srslte_rf_t* rf,
uint32_t nof_rf_channels,
cell_search_cfg_t* config,
int force_N_id_2,
srslte_cell_t* cell,
float* cfo);
SRSLTE_API int rf_search_and_decode_mib(srslte_rf_t* rf,
uint32_t nof_rf_channels,
cell_search_cfg_t* config,
int force_N_id_2,
srslte_cell_t* cell,
float* cfo);
SRSLTE_API int rf_cell_search_nbiot(srslte_rf_t* rf, cell_search_cfg_t* config, srslte_nbiot_cell_t* cell, float* cfo);
#endif // SRSLTE_RF_UTILS_H