/*
 * Copyright 2013-2020 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/.
 *
 */

/******************************************************************************
 *  File:         pdcch.h
 *
 *  Description:  Physical downlink control channel.
 *
 *  Reference:    3GPP TS 36.211 version 10.0.0 Release 10 Sec. 6.8
 *****************************************************************************/

#ifndef SRSLTE_PDCCH_NR_H
#define SRSLTE_PDCCH_NR_H

#include "srslte/config.h"
#include "srslte/phy/common/phy_common_nr.h"

/**
 * @brief Function for generating NR PDCCH candidate locations n_cce for a given CORESET, search space, aggregation
 * level and slot.
 *
 * @see srslte_pdcch_ue_locations_ncce
 * @see srslte_pdcch_common_locations_ncce
 *
 * @param coreset is the coreset configuration provided from higher layers
 * @param search_space is the Search Space configuration provided from higher layers
 * @param RNTI UE temporal identifier, unused for common search spaces
 * @param aggregation_level aggregation level in logarithm range (0,1,2,3,4)
 * @param slot_idx Slot index within the radio frame
 * @param locations is the destination array with the possible candidate locations n_cce
 */
int srslte_pdcch_nr_locations_ncce(const srslte_coreset_t*      coreset,
                                   const srslte_search_space_t* search_space,
                                   uint16_t                     rnti,
                                   uint32_t                     aggregation_level,
                                   uint32_t                     slot_idx,
                                   uint32_t                     locations[SRSLTE_SEARCH_SPACE_MAX_NOF_CANDIDATES]);

#endif // SRSLTE_PDCCH_NR_H