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