467 lines
12 KiB
C
467 lines
12 KiB
C
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* EPICS BASE Versions 3.13.7
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* and higher are distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/* recMbbo.c */
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/* base/src/rec $Id$ */
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/* recMbbo.c - Record Support Routines for multi bit binary Output records */
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/*
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* Original Author: Bob Dalesio
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* Current Author: Marty Kraimer
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* Date: 7-17-87
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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include "dbDefs.h"
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#include "epicsPrint.h"
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#include "alarm.h"
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#include "dbAccess.h"
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#include "dbEvent.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 "recSup.h"
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#include "recGbl.h"
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#include "special.h"
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#define GEN_SIZE_OFFSET
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#include "mbboRecord.h"
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#undef GEN_SIZE_OFFSET
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#include "menuOmsl.h"
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#include "menuIvoa.h"
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#include "epicsExport.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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static long init_record();
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static long process();
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static long special();
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#define get_value NULL
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static long cvt_dbaddr();
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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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#define get_precision NULL
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static long get_enum_str();
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static long get_enum_strs();
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static long put_enum_str();
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#define get_graphic_double NULL
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#define get_control_double NULL
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#define get_alarm_double NULL
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rset mbboRSET={
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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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};
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epicsExportAddress(rset,mbboRSET);
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struct mbbodset { /* multi bit binary output 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: (0,2)=>(success,success no convert)*/
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DEVSUPFUN get_ioint_info;
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DEVSUPFUN write_mbbo; /*returns: (0,2)=>(success,success no convert)*/
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};
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static void checkAlarms();
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static void convert();
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static void monitor();
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static long writeValue();
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static void init_common(pmbbo)
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struct mbboRecord *pmbbo;
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{
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unsigned long *pstate_values;
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char *pstate_string;
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short i;
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/* determine if any states are defined */
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pstate_values = &(pmbbo->zrvl); pstate_string = pmbbo->zrst;
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pmbbo->sdef = FALSE;
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for (i=0; i<16; i++, pstate_string += sizeof(pmbbo->zrst)) {
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if((*(pstate_values+i)!= 0) || (*pstate_string !='\0')) {
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pmbbo->sdef = TRUE;
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return;
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}
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}
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return;
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}
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static long init_record(pmbbo,pass)
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struct mbboRecord *pmbbo;
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int pass;
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{
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struct mbbodset *pdset;
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long status;
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int i;
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if (pass==0) return(0);
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/* mbbo.siml must be a CONSTANT or a PV_LINK or a DB_LINK */
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if (pmbbo->siml.type == CONSTANT) {
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recGblInitConstantLink(&pmbbo->siml,DBF_USHORT,&pmbbo->simm);
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}
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if(!(pdset = (struct mbbodset *)(pmbbo->dset))) {
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recGblRecordError(S_dev_noDSET,(void *)pmbbo,"mbbo: init_record");
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return(S_dev_noDSET);
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}
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/* must have write_mbbo function defined */
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if( (pdset->number < 5) || (pdset->write_mbbo == NULL) ) {
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recGblRecordError(S_dev_missingSup,(void *)pmbbo,"mbbo: init_record");
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return(S_dev_missingSup);
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}
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if (pmbbo->dol.type == CONSTANT){
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if(recGblInitConstantLink(&pmbbo->dol,DBF_USHORT,&pmbbo->val))
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pmbbo->udf = FALSE;
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}
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/* initialize mask*/
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pmbbo->mask = 0;
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for (i=0; i<pmbbo->nobt; i++) {
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pmbbo->mask <<= 1; /* shift left 1 bit*/
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pmbbo->mask |= 1; /* set low order bit*/
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}
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if( pdset->init_record ) {
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unsigned long rval;
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status=(*pdset->init_record)(pmbbo);
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/* init_record might set status */
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init_common(pmbbo);
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if(status==0){
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rval = pmbbo->rval;
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if(pmbbo->shft>0) rval >>= pmbbo->shft;
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if (pmbbo->sdef){
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unsigned long *pstate_values;
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short i;
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pstate_values = &(pmbbo->zrvl);
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pmbbo->val = 65535; /* initalize to unknown state*/
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for (i = 0; i < 16; i++){
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if (*pstate_values == rval){
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pmbbo->val = i;
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break;
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}
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pstate_values++;
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}
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}else{
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/* the raw is the desired val */
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pmbbo->val = (unsigned short)rval;
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}
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pmbbo->udf = FALSE;
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} else if (status==2) status=0;
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}
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init_common(pmbbo);
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/* convert val to rval */
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convert(pmbbo);
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return(0);
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}
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static long process(pmbbo)
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struct mbboRecord *pmbbo;
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{
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struct mbbodset *pdset = (struct mbbodset *)(pmbbo->dset);
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long status=0;
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unsigned char pact=pmbbo->pact;
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if( (pdset==NULL) || (pdset->write_mbbo==NULL) ) {
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pmbbo->pact=TRUE;
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recGblRecordError(S_dev_missingSup,(void *)pmbbo,"write_mbbo");
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return(S_dev_missingSup);
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}
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if (!pmbbo->pact) {
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if (pmbbo->dol.type != CONSTANT && pmbbo->omsl == menuOmslclosed_loop) {
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long status;
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unsigned short val;
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status = dbGetLink(&pmbbo->dol,DBR_USHORT, &val,0,0);
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if(status==0) {
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pmbbo->val= val;
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pmbbo->udf= FALSE;
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} else {
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recGblSetSevr(pmbbo,LINK_ALARM,INVALID_ALARM);
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goto CONTINUE;
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}
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}
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if(pmbbo->udf==TRUE) {
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recGblSetSevr(pmbbo,UDF_ALARM,INVALID_ALARM);
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goto CONTINUE;
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}
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/* convert val to rval */
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convert(pmbbo);
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}
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CONTINUE:
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/* check for alarms */
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checkAlarms(pmbbo);
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if (pmbbo->nsev < INVALID_ALARM )
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status=writeValue(pmbbo); /* write the new value */
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else {
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switch (pmbbo->ivoa) {
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case (menuIvoaContinue_normally) :
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status=writeValue(pmbbo); /* write the new value */
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break;
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case (menuIvoaDon_t_drive_outputs) :
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break;
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case (menuIvoaSet_output_to_IVOV) :
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if (pmbbo->pact == FALSE){
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pmbbo->val=pmbbo->ivov;
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convert(pmbbo);
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}
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status=writeValue(pmbbo); /* write the new value */
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break;
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default :
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status=-1;
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recGblRecordError(S_db_badField,(void *)pmbbo,
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"mbbo:process Illegal IVOA field");
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}
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}
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/* check if device support set pact */
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if ( !pact && pmbbo->pact ) return(0);
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pmbbo->pact = TRUE;
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recGblGetTimeStamp(pmbbo);
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/* check event list */
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monitor(pmbbo);
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/* process the forward scan link record */
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recGblFwdLink(pmbbo);
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pmbbo->pact=FALSE;
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return(status);
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}
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static long special(paddr,after)
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struct dbAddr *paddr;
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int after;
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{
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struct mbboRecord *pmbbo = (struct mbboRecord *)(paddr->precord);
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int special_type = paddr->special;
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if(!after) return(0);
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switch(special_type) {
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case(SPC_MOD):
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init_common(pmbbo);
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return(0);
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default:
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recGblDbaddrError(S_db_badChoice,paddr,"mbbo: special");
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return(S_db_badChoice);
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}
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}
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static long cvt_dbaddr(paddr)
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struct dbAddr *paddr;
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{
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struct mbboRecord *pmbbo=(struct mbboRecord *)paddr->precord;
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int index;
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index = dbGetFieldIndex(paddr);
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if(index!=mbboRecordVAL) {
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recGblDbaddrError(S_db_badField,paddr,"mbbo: cvt_dbaddr");
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return(0);
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}
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if(!pmbbo->sdef) {
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paddr->field_type = DBF_USHORT;
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paddr->dbr_field_type = DBF_USHORT;
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}
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return(0);
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}
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static long get_enum_str(paddr,pstring)
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struct dbAddr *paddr;
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char *pstring;
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{
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struct mbboRecord *pmbbo=(struct mbboRecord *)paddr->precord;
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char *psource;
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int index;
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unsigned short *pfield = (unsigned short *)paddr->pfield;
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unsigned short val=*pfield;
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index = dbGetFieldIndex(paddr);
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if(index!=mbboRecordVAL) {
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strcpy(pstring,"Illegal_Value");
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} else if(val<= 15) {
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psource = (pmbbo->zrst);
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psource += (val * sizeof(pmbbo->zrst));
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strncpy(pstring,psource,sizeof(pmbbo->zrst));
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} else {
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strcpy(pstring,"Illegal Value");
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}
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return(0);
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}
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static long get_enum_strs(paddr,pes)
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struct dbAddr *paddr;
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struct dbr_enumStrs *pes;
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{
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struct mbboRecord *pmbbo=(struct mbboRecord *)paddr->precord;
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char *psource;
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int i;
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short no_str;
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no_str=0;
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memset(pes->strs,'\0',sizeof(pes->strs));
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for(i=0,psource=(pmbbo->zrst); i<16; i++, psource += sizeof(pmbbo->zrst) ) {
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strncpy(pes->strs[i],psource,sizeof(pmbbo->zrst));
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if(*psource!=0)no_str=i+1;
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}
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pes->no_str = no_str;
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return(0);
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}
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static long put_enum_str(paddr,pstring)
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struct dbAddr *paddr;
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char *pstring;
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{
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struct mbboRecord *pmbbo=(struct mbboRecord *)paddr->precord;
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char *pstate_name;
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short i;
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if (pmbbo->sdef){
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pstate_name = pmbbo->zrst;
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for (i = 0; i < 16; i++){
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if(strncmp(pstate_name,pstring,sizeof(pmbbo->zrst))==0){
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pmbbo->val = i;
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return(0);
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}
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pstate_name += sizeof(pmbbo->zrst);
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}
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}
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return(S_db_badChoice);
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}
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static void checkAlarms(pmbbo)
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struct mbboRecord *pmbbo;
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{
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unsigned short *severities;
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unsigned short val=pmbbo->val;
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/* check for state alarm */
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/* unknown state */
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if (val > 15){
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recGblSetSevr(pmbbo,STATE_ALARM,pmbbo->unsv);
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} else {
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/* in a state which is an error */
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severities = (unsigned short *)&(pmbbo->zrsv);
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recGblSetSevr(pmbbo,STATE_ALARM,severities[pmbbo->val]);
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}
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/* check for cos alarm */
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if(val == pmbbo->lalm) return;
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if(recGblSetSevr(pmbbo,COS_ALARM,pmbbo->cosv)) return;
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pmbbo->lalm = val;
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return;
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}
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static void monitor(pmbbo)
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struct mbboRecord *pmbbo;
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{
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unsigned short monitor_mask;
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monitor_mask = recGblResetAlarms(pmbbo);
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/* check for value change */
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if (pmbbo->mlst != pmbbo->val){
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/* post events for value change and archive change */
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monitor_mask |= (DBE_VALUE | DBE_LOG);
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/* update last value monitored */
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pmbbo->mlst = pmbbo->val;
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}
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/* send out monitors connected to the value field */
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if (monitor_mask){
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db_post_events(pmbbo,&pmbbo->val,monitor_mask);
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}
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if(pmbbo->oraw!=pmbbo->rval) {
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db_post_events(pmbbo,&pmbbo->rval,monitor_mask|DBE_VALUE);
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pmbbo->oraw = pmbbo->rval;
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}
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if(pmbbo->orbv!=pmbbo->rbv) {
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db_post_events(pmbbo,&pmbbo->rbv,monitor_mask|DBE_VALUE);
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pmbbo->orbv = pmbbo->rbv;
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}
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return;
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}
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static void convert(pmbbo)
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struct mbboRecord *pmbbo;
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{
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unsigned long *pvalues = &(pmbbo->zrvl);
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/* convert val to rval */
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if(pmbbo->sdef) {
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if(pmbbo->val>15) {
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recGblSetSevr(pmbbo,SOFT_ALARM,INVALID_ALARM);
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return;
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}
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pmbbo->rval = pvalues[pmbbo->val];
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} else pmbbo->rval = (unsigned long)(pmbbo->val);
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if(pmbbo->shft>0) pmbbo->rval <<= pmbbo->shft;
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return;
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}
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static long writeValue(pmbbo)
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struct mbboRecord *pmbbo;
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{
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long status;
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struct mbbodset *pdset = (struct mbbodset *) (pmbbo->dset);
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if (pmbbo->pact == TRUE){
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status=(*pdset->write_mbbo)(pmbbo);
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return(status);
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}
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status=dbGetLink(&(pmbbo->siml),DBR_USHORT, &(pmbbo->simm),0,0);
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if (status)
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return(status);
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if (pmbbo->simm == NO){
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status=(*pdset->write_mbbo)(pmbbo);
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return(status);
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}
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if (pmbbo->simm == YES){
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status=dbPutLink(&pmbbo->siol,DBR_USHORT, &pmbbo->val,1);
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} else {
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status=-1;
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recGblSetSevr(pmbbo,SOFT_ALARM,INVALID_ALARM);
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return(status);
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}
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recGblSetSevr(pmbbo,SIMM_ALARM,pmbbo->sims);
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return(status);
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}
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