154 lines
4.1 KiB
C
154 lines
4.1 KiB
C
/* recPermissive.c */
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/* share/src/rec $Id$ */
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/* recPermissive.c - Record Support Routines for Permissive 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: 10-10-90
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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 10-10-90 mrk extensible record and device support
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* .02 11-11-91 jba Moved set and reset of alarm stat and sevr to macros
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* .03 02-05-92 jba Changed function arguments from paddr to precord
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* .04 02-28-92 jba ANSI C changes
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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 <lstLib.h>
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#include <dbDefs.h>
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#include <dbAccess.h>
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#include <dbFldTypes.h>
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#include <errMdef.h>
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#include <recSup.h>
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#include <permissiveRecord.h>
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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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#define init_record NULL
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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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#define cvt_dbaddr NULL
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#define get_array_info NULL
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#define put_array_info NULL
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#define get_units NULL
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#define get_precision NULL
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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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#define get_graphic_double NULL
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#define get_control_double NULL
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#define get_alarm_double NULL
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struct rset permissiveRSET={
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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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void monitor();
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static long process(ppermissive)
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struct permissiveRecord *ppermissive;
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{
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ppermissive->pact=TRUE;
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ppermissive->udf=FALSE;
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tsLocalTime(&ppermissive->time);
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monitor(ppermissive);
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if (ppermissive->flnk.type==DB_LINK)
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dbScanPassive(((struct dbAddr *)ppermissive->flnk.value.db_link.pdbAddr)->precord);
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ppermissive->pact=FALSE;
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return(0);
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}
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static long get_value(ppermissive,pvdes)
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struct permissiveRecord *ppermissive;
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struct valueDes *pvdes;
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{
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pvdes->field_type = DBF_USHORT;
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pvdes->no_elements=1;
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(unsigned short *)(pvdes->pvalue) = &(ppermissive->val);
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return(0);
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}
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static void monitor(ppermissive)
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struct permissiveRecord *ppermissive;
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{
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unsigned short monitor_mask;
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short stat,sevr,nsta,nsev;
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unsigned short val,oval,wflg,oflg;
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/* get previous stat and sevr and new stat and sevr*/
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recGblResetSevr(ppermissive,stat,sevr,nsta,nsev);
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/* get val,oval,wflg,oflg*/
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val=ppermissive->val;
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oval=ppermissive->oval;
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wflg=ppermissive->wflg;
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oflg=ppermissive->oflg;
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/*set oval and oflg*/
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ppermissive->oval = val;
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ppermissive->oflg = wflg;
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monitor_mask = 0;
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/* alarm condition changed this scan */
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if (stat!=nsta || sevr!=nsev) {
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/* post events for alarm condition change*/
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monitor_mask = DBE_ALARM;
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/* post stat and nsev fields */
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db_post_events(ppermissive,&ppermissive->stat,DBE_VALUE);
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db_post_events(ppermissive,&ppermissive->sevr,DBE_VALUE);
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}
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if(oval != val) {
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db_post_events(ppermissive,&ppermissive->val,monitor_mask|DBE_VALUE);
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}
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if(oflg != wflg) {
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db_post_events(ppermissive,&ppermissive->wflg,monitor_mask|DBE_VALUE);
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}
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return;
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}
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