/*
 * Copyright 2013-2019 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 SRSUE_SCELL_RECV_H
#define SRSUE_SCELL_RECV_H

#include <srslte/common/tti_sync_cv.h>
#include <srslte/srslte.h>

#include <srsue/hdr/phy/scell/measure.h>

namespace srsue {
namespace scell {

// Class to receive secondary cell
class scell_recv
{
public:
  const static int MAX_CELLS = 8;
  typedef struct {
    uint32_t pci;
    float    rsrp;
    float    rsrq;
    uint32_t offset;
  } cell_info_t;
  void init(srslte::log* log_h, bool sic_pss_enabled, uint32_t max_sf_window, phy_common* worker_com);
  void deinit();
  void reset();
  int  find_cells(cf_t*         input_buffer,
                  float         rx_gain_offset,
                  srslte_cell_t current_cell,
                  uint32_t      nof_sf,
                  cell_info_t   found_cells[MAX_CELLS]);

private:
  // 36.133 9.1.2.1 for band 7
  constexpr static float ABSOLUTE_RSRP_THRESHOLD_DBM = -125;

  cf_t*         sf_buffer[SRSLTE_MAX_PORTS];
  srslte::log*  log_h;
  srslte_sync_t sync_find;

  bool     sic_pss_enabled;
  uint32_t current_fft_sz;
  measure  measure_p;
};

} // namespace scell
} // namespace srsue

#endif // SRSUE_SCELL_RECV_H