Janet B. Anderson
e301e1b359
is a constant link and recGblInitConstantLink returns success. In read_<record type> the udf field is set to false only if inp is not a constant link and dbGetLink returns success.
95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/* devMbbiSoft.c */
|
|
/* base/src/dev $Id$ */
|
|
|
|
/* devMbbiSoft.c - Device Support Routines for Soft Multibit Binary Input*/
|
|
/*
|
|
* 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 11-11-91 jba Moved set of alarm stat and sevr to macros
|
|
* .02 03-13-92 jba ANSI C changes
|
|
* .03 10-10-92 jba replaced code with recGblGetLinkValue call
|
|
* ...
|
|
*/
|
|
|
|
|
|
#include <vxWorks.h>
|
|
#include <types.h>
|
|
#include <stdioLib.h>
|
|
#include <string.h>
|
|
|
|
#include <alarm.h>
|
|
#include <dbDefs.h>
|
|
#include <dbAccess.h>
|
|
#include <recSup.h>
|
|
#include <devSup.h>
|
|
#include <module_types.h>
|
|
#include <mbbiRecord.h>
|
|
|
|
|
|
/* Create the dset for devMbbiSoft */
|
|
static long init_record();
|
|
static long read_mbbi();
|
|
|
|
struct {
|
|
long number;
|
|
DEVSUPFUN report;
|
|
DEVSUPFUN init;
|
|
DEVSUPFUN init_record;
|
|
DEVSUPFUN get_ioint_info;
|
|
DEVSUPFUN read_mbbi;
|
|
}devMbbiSoft={
|
|
5,
|
|
NULL,
|
|
NULL,
|
|
init_record,
|
|
NULL,
|
|
read_mbbi};
|
|
|
|
|
|
static long init_record(pmbbi)
|
|
struct mbbiRecord *pmbbi;
|
|
{
|
|
long status;
|
|
|
|
if (pmbbi->inp.type == CONSTANT) {
|
|
if(recGblInitConstantLink(&pmbbi->inp,DBF_ENUM,&pmbbi->val))
|
|
pmbbi->udf = FALSE;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static long read_mbbi(pmbbi)
|
|
struct mbbiRecord *pmbbi;
|
|
{
|
|
long status;
|
|
|
|
status = dbGetLink(&pmbbi->inp,DBR_USHORT,&pmbbi->val,0,0);
|
|
if(pmbbi->inp.type!=CONSTANT && RTN_SUCCESS(status)) pmbbi->udf=FALSE;
|
|
return(2);
|
|
}
|