mirror of https://github.com/PentHertz/srsLTE.git
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2021 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 "srsran/radio/radio.h"
|
|
#include "srsran/srslog/srslog.h"
|
|
#include "srsran/srsran.h"
|
|
|
|
namespace srsue {
|
|
|
|
struct phy_args_t;
|
|
|
|
// Class to synchronize system frame number
|
|
class sfn_sync
|
|
{
|
|
public:
|
|
typedef enum { IDLE, SFN_FOUND, SFX0_FOUND, SFN_NOFOUND, ERROR } ret_code;
|
|
explicit sfn_sync(srslog::basic_logger& logger) : logger(logger) {}
|
|
~sfn_sync();
|
|
void init(srsran_ue_sync_t* ue_sync,
|
|
const phy_args_t* phy_args_,
|
|
srsran::rf_buffer_t& buffer,
|
|
uint32_t buffer_max_samples_,
|
|
uint32_t nof_subframes = SFN_SYNC_NOF_SUBFRAMES);
|
|
void reset();
|
|
bool set_cell(srsran_cell_t cell);
|
|
ret_code run_subframe(srsran_cell_t* cell,
|
|
uint32_t* tti_cnt,
|
|
std::array<uint8_t, SRSRAN_BCH_PAYLOAD_LEN>& bch_payload,
|
|
bool sfidx_only = false);
|
|
ret_code decode_mib(srsran_cell_t* cell,
|
|
uint32_t* tti_cnt,
|
|
srsran::rf_buffer_t* ext_buffer,
|
|
std::array<uint8_t, SRSRAN_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;
|
|
srslog::basic_logger& logger;
|
|
srsran_ue_sync_t* ue_sync = nullptr;
|
|
srsran::rf_buffer_t mib_buffer = {};
|
|
uint32_t buffer_max_samples = 0;
|
|
srsran_ue_mib_t ue_mib = {};
|
|
};
|
|
|
|
}; // namespace srsue
|
|
|
|
#endif // SRSUE_SFN_SYNC_H
|