mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2020 Software Radio Systems Limited
|
|
*
|
|
* By using this file, you agree to the terms and conditions set
|
|
* forth in the LICENSE file which can be found at the top level of
|
|
* the distribution.
|
|
*
|
|
*/
|
|
|
|
#ifndef SRSUE_SFN_SYNC_H
|
|
#define SRSUE_SFN_SYNC_H
|
|
|
|
#include "srslte/interfaces/ue_interfaces.h"
|
|
#include "srslte/radio/radio.h"
|
|
#include "srslte/srslte.h"
|
|
|
|
namespace srsue {
|
|
|
|
// Class to synchronize system frame number
|
|
class sfn_sync
|
|
{
|
|
public:
|
|
typedef enum { IDLE, SFN_FOUND, SFX0_FOUND, SFN_NOFOUND, ERROR } ret_code;
|
|
sfn_sync() = default;
|
|
~sfn_sync();
|
|
void init(srslte_ue_sync_t* ue_sync,
|
|
const phy_args_t* phy_args_,
|
|
srslte::rf_buffer_t& buffer,
|
|
uint32_t buffer_max_samples_,
|
|
srslte::log* log_h,
|
|
uint32_t nof_subframes = SFN_SYNC_NOF_SUBFRAMES);
|
|
void reset();
|
|
bool set_cell(srslte_cell_t cell);
|
|
ret_code run_subframe(srslte_cell_t* cell,
|
|
uint32_t* tti_cnt,
|
|
std::array<uint8_t, SRSLTE_BCH_PAYLOAD_LEN>& bch_payload,
|
|
bool sfidx_only = false);
|
|
ret_code decode_mib(srslte_cell_t* cell,
|
|
uint32_t* tti_cnt,
|
|
srslte::rf_buffer_t* ext_buffer,
|
|
std::array<uint8_t, SRSLTE_BCH_PAYLOAD_LEN>& bch_payload,
|
|
bool sfidx_only = false);
|
|
|
|
private:
|
|
const static int SFN_SYNC_NOF_SUBFRAMES = 100;
|
|
|
|
const phy_args_t* phy_args = nullptr;
|
|
uint32_t cnt = 0;
|
|
uint32_t timeout = 0;
|
|
srslte::log* log_h = nullptr;
|
|
srslte_ue_sync_t* ue_sync = nullptr;
|
|
srslte::rf_buffer_t mib_buffer = {};
|
|
uint32_t buffer_max_samples = 0;
|
|
srslte_ue_mib_t ue_mib = {};
|
|
};
|
|
|
|
}; // namespace srsue
|
|
|
|
#endif // SRSUE_SFN_SYNC_H
|