315 lines
7.6 KiB
C
315 lines
7.6 KiB
C
/* recAao.c */
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/* recAao.c - Record Support Routines for Array Analog Out records */
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/*
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* Original Author: Dave Barker
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* Current Author: Dave Barker
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* Date: 10/28/93
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*
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* C E B A F
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*
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* Continuous Electron Beam Accelerator Facility
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* Newport News, Virginia, USA.
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*
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* Copyright SURA CEBAF 1993.
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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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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include "dbDefs.h"
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#include "epicsPrint.h"
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#include "alarm.h"
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#include "dbAccess.h"
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#include "dbFldTypes.h"
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#include "dbScan.h"
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#include "dbEvent.h"
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#include "devSup.h"
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#include "recSup.h"
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#define GEN_SIZE_OFFSET
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#include "aaoRecord.h"
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#undef GEN_SIZE_OFFSET
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/* Create RSET - Record Support Entry Table*/
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#define report NULL
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#define initialize NULL
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static long init_record();
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static long process();
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#define special NULL
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static long get_value();
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static long cvt_dbaddr();
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static long get_array_info();
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static long put_array_info();
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static long get_units();
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static long get_precision();
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#define get_enum_str NULL
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#define get_enum_strs NULL
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#define put_enum_str NULL
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static long get_graphic_double();
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static long get_control_double();
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#define get_alarm_double NULL
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struct rset aaoRSET={
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RSETNUMBER,
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report,
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initialize,
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init_record,
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process,
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special,
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get_value,
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cvt_dbaddr,
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get_array_info,
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put_array_info,
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get_units,
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get_precision,
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get_enum_str,
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get_enum_strs,
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put_enum_str,
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get_graphic_double,
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get_control_double,
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get_alarm_double };
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struct aaodset { /* aao dset */
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long number;
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DEVSUPFUN dev_report;
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DEVSUPFUN init;
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DEVSUPFUN init_record; /*returns: (-1,0)=>(failure,success)*/
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DEVSUPFUN get_ioint_info;
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DEVSUPFUN write_aao; /*returns: (-1,0)=>(failure,success)*/
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};
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/*sizes of field types*/
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static int sizeofTypes[] = {0,1,1,2,2,4,4,4,8,2};
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static void monitor();
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static long writeValue();
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static long init_record(paao,pass)
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struct aaoRecord *paao;
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int pass;
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{
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struct aaodset *pdset;
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long status;
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if (pass==0){
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if(paao->nelm<=0) paao->nelm=1;
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return(0);
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}
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recGblInitConstantLink(&paao->siml,DBF_USHORT,&paao->simm);
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/* must have dset defined */
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if(!(pdset = (struct aaodset *)(paao->dset))) {
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recGblRecordError(S_dev_noDSET,(void *)paao,"aao: init_record");
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return(S_dev_noDSET);
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}
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/* must have write_aao function defined */
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if( (pdset->number < 5) || (pdset->write_aao == NULL) ) {
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recGblRecordError(S_dev_missingSup,(void *)paao,"aao: init_record");
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return(S_dev_missingSup);
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}
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if( pdset->init_record ) {
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/* init records sets the bptr to point to the data */
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if((status=(*pdset->init_record)(paao))) return(status);
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}
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return(0);
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}
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static long process(paao)
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struct aaoRecord *paao;
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{
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struct aaodset *pdset = (struct aaodset *)(paao->dset);
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long status;
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unsigned char pact=paao->pact;
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if( (pdset==NULL) || (pdset->write_aao==NULL) ) {
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paao->pact=TRUE;
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recGblRecordError(S_dev_missingSup,(void *)paao,"write_aao");
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return(S_dev_missingSup);
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}
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if ( pact ) return(0);
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status=writeValue(paao); /* write the data */
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paao->udf=FALSE;
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recGblGetTimeStamp(paao);
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monitor(paao);
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/* process the forward scan link record */
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recGblFwdLink(paao);
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paao->pact=FALSE;
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return(0);
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}
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static long get_value(paao,pvdes)
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struct aaoRecord *paao;
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struct valueDes *pvdes;
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{
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pvdes->no_elements=paao->nelm;
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pvdes->pvalue = paao->bptr;
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pvdes->field_type = paao->ftvl;
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return(0);
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}
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static long cvt_dbaddr(paddr)
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struct dbAddr *paddr;
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{
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struct aaoRecord *paao=(struct aaoRecord *)paddr->precord;
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paddr->pfield = (void *)(paao->bptr);
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paddr->no_elements = paao->nelm;
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paddr->field_type = paao->ftvl;
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if(paao->ftvl==0) paddr->field_size = MAX_STRING_SIZE;
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else paddr->field_size = sizeofTypes[paao->ftvl];
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paddr->dbr_field_type = paao->ftvl;
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return(0);
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}
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static long get_array_info(paddr,no_elements,offset)
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struct dbAddr *paddr;
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long *no_elements;
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long *offset;
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{
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struct aaoRecord *paao=(struct aaoRecord *)paddr->precord;
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*no_elements = paao->nelm;
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*offset = 0;
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return(0);
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}
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static long put_array_info(paddr,nNew)
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struct dbAddr *paddr;
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long nNew;
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{
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struct aaoRecord *paao=(struct aaoRecord *)paddr->precord;
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paao->nelm = nNew;
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return(0);
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}
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static long get_units(paddr,units)
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struct dbAddr *paddr;
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char *units;
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{
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struct aaoRecord *paao=(struct aaoRecord *)paddr->precord;
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strncpy(units,paao->egu,DB_UNITS_SIZE);
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return(0);
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}
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static long get_precision(paddr,precision)
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struct dbAddr *paddr;
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long *precision;
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{
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struct aaoRecord *paao=(struct aaoRecord *)paddr->precord;
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*precision = paao->prec;
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if(paddr->pfield==(void *)paao->bptr) return(0);
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recGblGetPrec(paddr,precision);
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return(0);
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}
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static long get_graphic_double(paddr,pgd)
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struct dbAddr *paddr;
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struct dbr_grDouble *pgd;
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{
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struct aaoRecord *paao=(struct aaoRecord *)paddr->precord;
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if(paddr->pfield==(void *)paao->bptr){
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pgd->upper_disp_limit = paao->hopr;
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pgd->lower_disp_limit = paao->lopr;
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} else recGblGetGraphicDouble(paddr,pgd);
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return(0);
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}
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static long get_control_double(paddr,pcd)
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struct dbAddr *paddr;
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struct dbr_ctrlDouble *pcd;
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{
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struct aaoRecord *paao=(struct aaoRecord *)paddr->precord;
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if(paddr->pfield==(void *)paao->bptr){
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pcd->upper_ctrl_limit = paao->hopr;
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pcd->lower_ctrl_limit = paao->lopr;
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} else recGblGetControlDouble(paddr,pcd);
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return(0);
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}
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static void monitor(paao)
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struct aaoRecord *paao;
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{
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unsigned short monitor_mask;
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monitor_mask = recGblResetAlarms(paao);
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monitor_mask |= (DBE_LOG|DBE_VALUE);
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if(monitor_mask) db_post_events(paao,paao->bptr,monitor_mask);
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return;
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}
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static long writeValue(paao)
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struct aaoRecord *paao;
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{
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long status;
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struct aaodset *pdset = (struct aaodset *) (paao->dset);
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if (paao->pact == TRUE){
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/* no asyn allowed, pact true means do not process */
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return(0);
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}
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status=dbGetLink(&(paao->siml),DBR_ENUM,&(paao->simm),0,0);
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if (status)
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return(status);
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if (paao->simm == NO){
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/* Call dev support */
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status=(*pdset->write_aao)(paao);
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return(status);
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}
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if (paao->simm == YES){
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/* Call dev support */
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status=(*pdset->write_aao)(paao);
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return(status);
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} else {
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status=-1;
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recGblSetSevr(paao,SOFT_ALARM,INVALID_ALARM);
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return(status);
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}
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recGblSetSevr(paao,SIMM_ALARM,paao->sims);
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return(status);
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}
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