318 lines
9.2 KiB
C
318 lines
9.2 KiB
C
/* recPulseTrain.c */
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/* share/src/rec $Id$ */
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/* recPulser.c - Record Support Routines for PulseTrain records */
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/*
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* Author: Janet Anderson
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* Date: 6/21/91
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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 10-24-91 jba New device support changes
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* .02 11-11-91 jba Moved set and reset of alarm stat and sevr to macros
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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 <alarm.h>
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#include <dbAccess.h>
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#include <dbDefs.h>
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#include <dbRecDes.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 <pulseTrainRecord.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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long init_record();
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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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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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long get_graphic_double();
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long get_control_double();
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#define get_alarm_double NULL
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struct rset pulseTrainRSET={
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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 ptdset { /* pulseTrain input 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_pt;/*(-1,0,1)=>(failure,success,don't Continue*/
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};
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/* def for gsrc field */
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#define SOFTWARE 1
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/* defs for counter commands */
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#define CTR_READ 0
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#define CTR_CLEAR 1
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#define CTR_START 2
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#define CTR_STOP 3
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#define CTR_SETUP 4
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void monitor();
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static long init_record(ppt)
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struct pulseTrainRecord *ppt;
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{
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struct ptdset *pdset;
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long status=0;
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/* must have device support */
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if(!(pdset = (struct ptdset *)(ppt->dset))) {
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recGblRecordError(S_dev_noDSET,ppt,"pt: init_record");
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return(S_dev_noDSET);
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}
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/* get the gate value if sgl is a constant*/
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if (ppt->sgl.type == CONSTANT ){
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ppt->gate = ppt->sgl.value.value;
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}
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/* must have write_pt functions defined */
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if( (pdset->number < 5) || (pdset->write_pt == NULL) ) {
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recGblRecordError(S_dev_missingSup,ppt,"pt: write_pt");
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return(S_dev_missingSup);
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}
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/* call device support init_record */
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if( pdset->init_record ) {
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if((status=(*pdset->init_record)(ppt,process))) return(status);
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}
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return(0);
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}
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static long process(paddr)
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struct dbAddr *paddr;
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{
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struct pulseTrainRecord *ppt=(struct pulseTrainRecord *)(paddr->precord);
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struct ptdset *pdset = (struct ptdset *)(ppt->dset);
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long status=0;
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long options,nRequest;
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double save;
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/* must have write_pt functions defined */
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if( (pdset==NULL) || (pdset->write_pt==NULL) ) {
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ppt->pact=TRUE;
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recGblRecordError(S_dev_missingSup,ppt,"write_pt");
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return(S_dev_missingSup);
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}
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/* get soft gate value when sgl is a DB_LINK and gsrc from Software */
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if (!ppt->pact && ppt->gsrc == SOFTWARE){
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if (ppt->sgl.type == DB_LINK){
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options=0;
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nRequest=1;
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ppt->pact = TRUE;
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status=dbGetLink(&ppt->sgl.value.db_link,ppt,DBR_SHORT,
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&ppt->sgv,&options,&nRequest);
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ppt->pact = FALSE;
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if(status!=0) {
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recGblSetSevr(ppt,LINK_ALARM,VALID_ALARM);
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}
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}
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if(status=0){
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/* gate changed */
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if(ppt->sgv != ppt->osgv){
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if(ppt->sgv==0){
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save=ppt->dcy;
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ppt->dcy=0.0;
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status=(*pdset->write_pt)(ppt);
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ppt->dcy=save;
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if(status!=0) {
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recGblSetSevr(ppt,WRITE_ALARM,VALID_ALARM);
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}
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}
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ppt->osgv=ppt->sgv;
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}
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}
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}
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if (status==0 && (ppt->gsrc!=SOFTWARE || ppt->sgv!=0))
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status=(*pdset->write_pt)(ppt);
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ppt->pact = TRUE;
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/* status is one if an asynchronous record is being processed*/
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if (status==1) return(0);
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if(status==-1)status = 0;
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ppt->udf=FALSE;
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tsLocalTime(&ppt->time);
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/* check event list */
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monitor(ppt);
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/* process the forward scan link record */
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if (ppt->flnk.type==DB_LINK) dbScanPassive(ppt->flnk.value.db_link.pdbAddr);
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ppt->pact=FALSE;
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return(status);
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}
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static long get_value(ppt,pvdes)
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struct pulseTrainRecord *ppt;
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struct valueDes *pvdes;
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{
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pvdes->field_type = DBF_SHORT;
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pvdes->no_elements=1;
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(short *)pvdes->pvalue = &ppt->val;
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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 pulseTrainRecord *ppt=(struct pulseTrainRecord *)paddr->precord;
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*precision = ppt->prec;
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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 pulseTrainRecord *ppt=(struct pulseTrainRecord *)paddr->precord;
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struct fldDes *pfldDes=(struct fldDes *)(paddr->pfldDes);
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if(((void *)(paddr->pfield))==((void *)&(ppt->clks))){
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pgd->upper_disp_limit = (double)pfldDes->range2.value.short_value;
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pgd->lower_disp_limit = (double)pfldDes->range1.value.short_value;
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return(0);
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}
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if(((void *)(paddr->pfield))==((void *)&(ppt->gate))){
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pgd->upper_disp_limit = (double)pfldDes->range2.value.short_value;
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pgd->lower_disp_limit = (double)pfldDes->range1.value.short_value;
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return(0);
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}
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if(((void *)(paddr->pfield))==((void *)&(ppt->dcy ))){
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pgd->upper_disp_limit = (double)pfldDes->range2.value.double_value;
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pgd->lower_disp_limit = (double)pfldDes->range1.value.double_value;
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return(0);
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}
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pgd->upper_disp_limit = ppt->hopr;
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pgd->lower_disp_limit = ppt->lopr;
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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 pulseTrainRecord *ppt=(struct pulseTrainRecord *)paddr->precord;
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struct fldDes *pfldDes=(struct fldDes *)(paddr->pfldDes);
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if(((void *)(paddr->pfield))==((void *)&(ppt->clks))){
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pcd->upper_ctrl_limit = (double)pfldDes->range2.value.short_value;
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pcd->lower_ctrl_limit = (double)pfldDes->range1.value.short_value;
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return(0);
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}
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if(((void *)(paddr->pfield))==((void *)&(ppt->gate))){
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pcd->upper_ctrl_limit = (double)pfldDes->range2.value.short_value;
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pcd->lower_ctrl_limit = (double)pfldDes->range1.value.short_value;
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return(0);
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}
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if(((void *)(paddr->pfield))==((void *)&(ppt->dcy ))){
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pcd->upper_ctrl_limit = (double)pfldDes->range2.value.double_value;
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pcd->lower_ctrl_limit = (double)pfldDes->range1.value.double_value;
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return(0);
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}
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pcd->upper_ctrl_limit = ppt->hopr;
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pcd->lower_ctrl_limit = ppt->lopr;
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return(0);
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}
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static void monitor(ppt)
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struct pulseTrainRecord *ppt;
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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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recGblResetSevr(ppt,stat,sevr,nsta,nsev);
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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(ppt,&ppt->stat,DBE_VALUE);
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db_post_events(ppt,&ppt->sevr,DBE_VALUE);
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}
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monitor_mask |= (DBE_VALUE | DBE_LOG);
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db_post_events(ppt,&ppt->val,monitor_mask);
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if(ppt->oper != ppt->per){
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db_post_events(ppt,&ppt->per,monitor_mask);
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ppt->oper=ppt->per;
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}
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if(ppt->odcy != ppt->dcy){
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db_post_events(ppt,&ppt->dcy,monitor_mask);
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ppt->odcy=ppt->dcy;
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}
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return;
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}
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