119 lines
3.7 KiB
C
119 lines
3.7 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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#include<stdio.h>
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#include<string.h>
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#include<gpib/ib.h>
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#include "signalanalyzer.h"
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void gpib_send(unsigned int gpib_card, unsigned int gpib_device, char *command_string )
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{
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unsigned short addlist[2] = {gpib_device, NOADDR};
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SendIFC(gpib_card);
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//Enable all on GPIB bus
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EnableRemote(gpib_card, addlist);
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if(ibsta & ERR) {
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printf("gpib_send: Instrument enable failed! \n");
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}
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//Send Control Commandss
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Send(gpib_card, gpib_device, command_string, strlen(command_string), NLend);
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if(ibsta & ERR) {
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printf("gpib_send: Send failed! \n");
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}
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printf("%s \n",command_string);
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}
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void analyzer(unsigned int gpib_card,unsigned int gpib_device,unsigned int freqband,LTE_DL_FRAME_PARMS *frame_parms,DCI_ALLOC_t *dci_alloc)
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{
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char string[256];
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//Start the remote control
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gpib_send(gpib_card,gpib_device,"*RST;*CLS"); //reset and configure the signal analyzer
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gpib_send(gpib_card,gpib_device,"CONF:PRES");
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gpib_send(gpib_card,gpib_device,"CALC1:FEED 'CONS:CONS'");
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gpib_send(gpib_card,gpib_device,"INIT");
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//select the duplexing mode
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if (frame_parms->frame_type == 0)
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gpib_send(gpib_card,gpib_device,"CONF:DUPL FDD");
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else
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gpib_send(gpib_card,gpib_device,"CONF:DUPL TDD");
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//set the direction into DL
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gpib_send(gpib_card,gpib_device,"CONF:LDIR DL");
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//carrier frequency
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gpib_send(gpib_card,gpib_device,"FREQ:CENT 1.2GHZ");
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//input source
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gpib_send(gpib_card,gpib_device,"INP RF");
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//RF attenuation
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gpib_send(gpib_card,gpib_device,"INP:ATT 0");
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////Using a Trigger
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gpib_send(gpib_card,gpib_device,"TRIG:MODE IMM"); //Selects free run trigger source
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// number of frames to be selected
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gpib_send(gpib_card,gpib_device,"FRAM:COUN:STAT ON");
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gpib_send(gpib_card,gpib_device,"FRAM:COUN 4");
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//select all the subframes
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gpib_send(gpib_card,gpib_device,"SUBF:SEL ALL");
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//Identifies the configuration according to the data in the PDCCH DCIs
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gpib_send(gpib_card,gpib_device,"DL:FORM:PSCD PDCCH");
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//sets the number of resource blocks to 25
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sprintf(string,"CONF:DL:NORB %d",frame_parms->N_RB_DL);
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gpib_send(gpib_card,gpib_device,string);
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//set the prefix of the subframes
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if (frame_parms->Ncp == 0)
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gpib_send(gpib_card,gpib_device,"CONF:DL:CYCP NORM");
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else
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gpib_send(gpib_card,gpib_device,"CONF:DL:CYCP EXT");
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//select the UL/DL subframe configuration for downlink signals
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sprintf(string,"CONF:DL:TDD:UDC %d",frame_parms->tdd_config);
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gpib_send(gpib_card,gpib_device,string); //sets the UL/DL configuration into 3
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//Selects the configuration of a TDD special subframe
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sprintf(string,"CONF:DL:TDD:UDC %d",frame_parms->tdd_config_S);
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gpib_send(gpib_card,gpib_device,string); //sets the special subframe configuration into 0
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}
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