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epics-base/src/dev/devWfSoft.c
1991-07-31 16:22:43 +00:00

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/* devWfSoft.c */
/* share/src/dev $Id$ */
/* devWfSoft.c - Device Support Routines for soft Waveform Records*/
/*
* Original Author: Bob Dalesio
* Current Author: Marty Kraimer
* Date: 6-1-90
*
* Experimental Physics and Industrial Control System (EPICS)
*
* Copyright 1991, the Regents of the University of California,
* and the University of Chicago Board of Governors.
*
* This software was produced under U.S. Government contracts:
* (W-7405-ENG-36) at the Los Alamos National Laboratory,
* and (W-31-109-ENG-38) at Argonne National Laboratory.
*
* Initial development by:
* The Controls and Automation Group (AT-8)
* Ground Test Accelerator
* Accelerator Technology Division
* Los Alamos National Laboratory
*
* Co-developed with
* The Controls and Computing Group
* Accelerator Systems Division
* Advanced Photon Source
* Argonne National Laboratory
*
* Modification Log:
* -----------------
* .01 mm-dd-yy iii Comment
* .02 mm-dd-yy iii Comment
* ...
*/
#include <vxWorks.h>
#include <types.h>
#include <stdioLib.h>
#include <alarm.h>
#include <dbDefs.h>
#include <dbAccess.h>
#include <devSup.h>
#include <link.h>
#include <waveformRecord.h>
/* Create the dset for devWfSoft */
long init_record();
long read_wf();
struct {
long number;
DEVSUPFUN report;
DEVSUPFUN init;
DEVSUPFUN init_record;
DEVSUPFUN get_ioint_info;
DEVSUPFUN read_wf;
}devWfSoft={
5,
NULL,
NULL,
init_record,
NULL,
read_wf};
static long init_record(pwf)
struct waveformRecord *pwf;
{
char message[100];
/* wf.inp must be a CONSTANT or a PV_LINK or a DB_LINK or a CA_LINK*/
switch (pwf->inp.type) {
case (CONSTANT) :
pwf->nord = 0;
break;
case (PV_LINK) :
break;
case (DB_LINK) :
break;
case (CA_LINK) :
break;
default :
strcpy(message,pwf->name);
strcat(message,": devWfSoft (init_record) Illegal INP field");
errMessage(S_db_badField,message);
return(S_db_badField);
}
return(0);
}
static long read_wf(pwf)
struct waveformRecord *pwf;
{
char message[100];
long status,options,nRequest;
/* wf.inp must be a CONSTANT or a DB_LINK or a CA_LINK*/
switch (pwf->inp.type) {
case (CONSTANT) :
break;
case (DB_LINK) :
options=0;
nRequest=pwf->nelm;
if(dbGetLink(&(pwf->inp.value.db_link),pwf,pwf->ftvl,
pwf->bptr,&options,&nRequest)!=0){
if(pwf->nsev < VALID_ALARM) {
pwf->nsev = VALID_ALARM;
pwf->nsta = LINK_ALARM;
}
}
pwf->nord = nRequest;
break;
case (CA_LINK) :
break;
default :
if(pwf->nsev<VALID_ALARM) {
pwf->nsev = VALID_ALARM;
pwf->nsta = SOFT_ALARM;
if(pwf->stat!=SOFT_ALARM) {
strcpy(message,pwf->name);
strcat(message,": devWfSoft (read_wf) Illegal INP field");
errMessage(S_db_badField,message);
}
}
}
return(0);
}