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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/LTE_TRANSPORT/phich.c
* \brief Routines for generation of and computations regarding the uplink control information (UCI) for PUSCH. V8.6 2009-03
* \author R. Knopp, F. Kaltenberger, A. Bhamri
* \date 2011
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr, florian.kaltenberger@eurecom.fr, ankit.bhamri@eurecom.fr
* \note
* \warning
*/
#include "PHY/defs_eNB.h"
#ifdef DEBUG_UCI_TOOLS
#include "PHY/vars.h"
#endif
//#define DEBUG_UCI 1
int16_t find_uci(uint16_t rnti, int frame, int subframe, PHY_VARS_eNB *eNB,find_type_t type) {
uint16_t i;
int16_t first_free_index=-1;
AssertFatal(eNB!=NULL,"eNB is null\n");
for (i=0; i<NUMBER_OF_UCI_VARS_MAX; i++) {
if ((eNB->uci_vars[i].active >0) &&
(eNB->uci_vars[i].rnti==rnti) &&
(eNB->uci_vars[i].frame==frame) &&
(eNB->uci_vars[i].subframe==subframe)) return(i);
else if ((eNB->uci_vars[i].active == 0) && (first_free_index==-1)) first_free_index=i;
}
if (type == SEARCH_EXIST) return(-1);
if (first_free_index==-1)
LOG_E(MAC,"UCI table is full\n");
return(first_free_index);
}