129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/* devAoSoft.c */
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/* share/src/dev @(#)devAoSoft.c 1.13 4/6/92 */
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/* Device Support Routines for soft Analog Output Records*/
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/*
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* Original Author: Bob Dalesio
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* Current Author: Marty Kraimer
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* Date: 6-1-90
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*
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* Experimental Physics and Industrial Control System (EPICS)
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*
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* Copyright 1991, the Regents of the University of California,
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* and the University of Chicago Board of Governors.
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*
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* This software was produced under U.S. Government contracts:
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* (W-7405-ENG-36) at the Los Alamos National Laboratory,
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* and (W-31-109-ENG-38) at Argonne National Laboratory.
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*
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* Initial development by:
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* The Controls and Automation Group (AT-8)
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* Ground Test Accelerator
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* Accelerator Technology Division
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* Los Alamos National Laboratory
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*
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* Co-developed with
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* The Controls and Computing Group
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* Accelerator Systems Division
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* Advanced Photon Source
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* Argonne National Laboratory
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*
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* Modification Log:
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* -----------------
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* .01 11-11-91 jba Moved set of alarm stat and sevr to macros
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* .02 02-05-92 jba Changed function arguments from paddr to precord
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* .03 03-13-92 jba ANSI C changes
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* .04 04-01-92 jba Changed return of init_record to dont convert
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* ...
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*/
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#include <vxWorks.h>
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#include <types.h>
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#include <stdioLib.h>
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#include <string.h>
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#include <alarm.h>
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#include <dbDefs.h>
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#include <dbAccess.h>
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#include <recSup.h>
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#include <devSup.h>
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#include <link.h>
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#include <special.h>
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#include <aoRecord.h>
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/* added for Channel Access Links */
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long dbCaAddOutlink();
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long dbCaPutLink();
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long init_record();
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/* Create the dset for devAoSoft */
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long write_ao();
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struct {
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long number;
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DEVSUPFUN report;
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DEVSUPFUN init;
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DEVSUPFUN init_record;
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DEVSUPFUN get_ioint_info;
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DEVSUPFUN write_ao;
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DEVSUPFUN special_linconv;
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}devAoSoft={
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6,
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NULL,
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NULL,
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init_record,
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NULL,
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write_ao,
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NULL};
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static long init_record(pao)
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struct aoRecord *pao;
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{
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long status=0;
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if (pao->out.type == PV_LINK)
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status = dbCaAddOutlink(&(pao->out), (void *) pao, "OVAL");
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/* dont convert */
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if ( status == 0 ) status = 2;
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return status;
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} /* end init_record() */
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static long write_ao(pao)
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struct aoRecord *pao;
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{
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long status;
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/* added for Channel Access Links */
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long options;
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long nrequest;
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/* ao.out must be a CONSTANT or a DB_LINK or a CA_LINK*/
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switch (pao->out.type) {
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case (CONSTANT) :
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break;
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case (DB_LINK) :
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status = dbPutLink(&pao->out.value.db_link,(struct dbCommon *)pao,DBR_DOUBLE,
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&pao->oval,1L);
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if(status!=0) {
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recGblSetSevr(pao,LINK_ALARM,INVALID_ALARM);
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}
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break;
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case (CA_LINK) :
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options = 0L;
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nrequest = 1L;
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status = dbCaPutLink(&(pao->out), &options, &nrequest);
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break;
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default :
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if(recGblSetSevr(pao,SOFT_ALARM,INVALID_ALARM)){
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if(pao->stat!=SOFT_ALARM) {
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recGblRecordError(S_db_badField,(void *)pao,
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"devAoSoft (write_ao) Illegal OUT field");
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}
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}
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}
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return(0);
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}
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