132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
/* devHistogramSoft.c */
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/* share/src/dev $Id$ */
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/* devHistogramSoft.c - Device Support Routines for soft Histogram Input */
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/*
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* Author: Janet Anderson
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* Date: 07/02/91
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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 mm-dd-yy iii Comment
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* .02 mm-dd-yy iii Comment
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* .03 03-13-92 jba ANSI C changes
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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 <cvtTable.h>
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#include <dbDefs.h>
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#include <dbAccess.h>
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#include <devSup.h>
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#include <link.h>
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#include <histogramRecord.h>
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/* Create the dset for devHistogramSoft */
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long init_record();
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long read_histogram();
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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 read_histogram;
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DEVSUPFUN special_linconv;
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}devHistogramSoft={
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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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read_histogram,
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NULL};
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static long init_record(phistogram)
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struct histogramRecord *phistogram;
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{
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/* histogram.svl must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
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switch (phistogram->svl.type) {
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case (CONSTANT) :
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phistogram->sgnl = phistogram->svl.value.value;
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break;
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case (PV_LINK) :
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break;
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case (DB_LINK) :
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break;
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case (CA_LINK) :
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break;
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default :
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recGblRecordError(S_db_badField,(void *)phistogram,
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"devHistogramSoft (init_record) Illegal SVL field");
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return(S_db_badField);
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}
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return(0);
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}
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static long read_histogram(phistogram)
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struct histogramRecord *phistogram;
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{
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long status,options,nRequest;
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/* histogram.svl must be a CONSTANT or a DB_LINK or a CA_LINK*/
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switch (phistogram->svl.type) {
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case (CONSTANT) :
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break;
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case (DB_LINK) :
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options=0;
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nRequest=1;
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status = dbGetLink(&(phistogram->svl.value.db_link),(struct dbCommon *)phistogram,DBR_DOUBLE,
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&(phistogram->sgnl),&options,&nRequest);
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if(status!=0) {
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if(phistogram->nsev<INVALID_ALARM) {
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phistogram->nsev = INVALID_ALARM;
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phistogram->nsta = LINK_ALARM;
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}
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}
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break;
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case (CA_LINK) :
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break;
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default :
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if(phistogram->nsev<INVALID_ALARM) {
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phistogram->nsev = INVALID_ALARM;
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phistogram->nsta = SOFT_ALARM;
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if(phistogram->stat!=SOFT_ALARM) {
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recGblRecordError(S_db_badField,(void *)phistogram,
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"devHistogramSoft (read_histogram) Illegal SVL field");
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}
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}
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}
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return(0); /*add count*/
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}
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