152 lines
3.8 KiB
C
152 lines
3.8 KiB
C
/* recState.c */
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/* share/src/rec $Id$ */
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/* recState.c - Record Support Routines for State 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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*/
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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 <dbAccess.h>
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#include <dbDefs.h>
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#include <dbFldTypes.h>
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#include <devSup.h>
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#include <errMdef.h>
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#include <link.h>
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#include <recSup.h>
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#include <stateRecord.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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long process();
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#define special NULL
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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 stateRSET={
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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(paddr)
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struct dbAddr *paddr;
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{
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struct stateRecord *pstate=(struct stateRecord *)(paddr->precord);
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pstate->udf = FALSE;
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pstate->pact=TRUE;
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tsLocalTime(&pstate->time);
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monitor(pstate);
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/* process the forward scan link record */
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if (pstate->flnk.type==DB_LINK) dbScanPassive(pstate->flnk.value.db_link.pdbAddr);
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pstate->pact=FALSE;
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return(0);
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}
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static long get_value(pstate,pvdes)
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struct stateRecord *pstate;
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struct valueDes *pvdes;
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{
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pvdes->field_type = DBF_STRING;
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pvdes->no_elements=1;
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pvdes->pvalue = (caddr_t)(&pstate->val[0]);
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return(0);
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}
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static void monitor(pstate)
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struct stateRecord *pstate;
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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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/* get previous stat and sevr and new stat and sevr*/
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stat=pstate->stat;
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sevr=pstate->sevr;
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nsta=pstate->nsta;
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nsev=pstate->nsev;
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/*set current stat and sevr*/
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pstate->stat = nsta;
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pstate->sevr = nsev;
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pstate->nsta = 0;
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pstate->nsev = 0;
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/* Flags which events to fire on the value field */
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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(pstate,&pstate->stat,DBE_VALUE);
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db_post_events(pstate,&pstate->sevr,DBE_VALUE);
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}
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if(strncmp(pstate->oval,pstate->val,sizeof(pstate->val))) {
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db_post_events(pstate,&(pstate->val[0]),monitor_mask|DBE_VALUE);
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strncpy(pstate->oval,pstate->val,sizeof(pstate->val));
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}
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return;
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}
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