83 lines
1.5 KiB
C
83 lines
1.5 KiB
C
/* devBiXVme210.c */
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/* share/src/dev $Id$ */
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/* devBiXVme210.c - Device Support Routines for XYcom 32 bit binary input*/
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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 <alarm.h>
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#include <dbAccess.h>
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#include <dbDefs.h>
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#include <devSup.h>
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#include <link.h>
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#include <module_types.h>
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#include <biRecord.h>
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/* Create the dset for devBiXVme210 */
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long init_record();
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long read_bi();
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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_bi;
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}devBiXVme210={
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5,
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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_bi};
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static long init_record(pbi)
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struct biRecord *pbi;
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{
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char message[100];
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struct vmeio *pvmeio;
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/* bi.inp must be an VME_IO */
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switch (pbi->inp.type) {
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case (VME_IO) :
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pvmeio = (struct vmeio *)&(pbi->inp.value);
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pbi->mask=1;
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pbi->mask <<= pvmeio->signal;
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break;
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default :
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strcpy(message,pbi->name);
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strcat(message,": devBiXVme210 (init_record) Illegal INP field");
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errMessage(S_db_badField,message);
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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_bi(pbi)
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struct biRecord *pbi;
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{
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struct vmeio *pvmeio;
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int status;
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long value;
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pvmeio = (struct vmeio *)&(pbi->inp.value);
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status = bi_driver(pvmeio->card,pbi->mask,XY210,&value);
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if(status==0) {
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pbi->rval = value;
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return(0);
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} else {
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if(pbi->nsev<VALID_ALARM ) {
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pbi->nsta = READ_ALARM;
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pbi->nsev = VALID_ALARM;
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}
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return(2);
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}
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return(status);
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}
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