3c99391d93
In some cases the license-identification header was missing, so I added that as well. Replaced the remaining headers that specifically identified "Versions 3.13.7 and higher". Makefiles and the build system were deliberately excluded.
290 lines
7.9 KiB
C
290 lines
7.9 KiB
C
/*************************************************************************\
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* Copyright (c) 2012 UChicago Argonne LLC, 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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* Copyright (c) 2002 Southeastern Universities Research Association, as
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* Operator of Thomas Jefferson National Accelerator Facility.
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* SPDX-License-Identifier: EPICS
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* EPICS BASE is 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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/* mbbiDirectRecord.c - Record Support routines for mbbiDirect records */
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/*
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* Original Authors: Bob Dalesio and Matthew Needes
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* Date: 10-07-93
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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 "errlog.h"
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#include "alarm.h"
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#include "callback.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 "menuSimm.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 "mbbiDirectRecord.h"
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#undef GEN_SIZE_OFFSET
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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(struct dbCommon *, int);
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static long process(struct dbCommon *);
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static long special(DBADDR *, int);
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#define get_value NULL
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#define cvt_dbaddr NULL
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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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static long get_precision(const DBADDR *, long *);
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#define get_enum_str NULL
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#define get_enum_strs NULL
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#define put_enum_str NULL
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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 mbbiDirectRSET={
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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,mbbiDirectRSET);
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static void monitor(mbbiDirectRecord *);
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static long readValue(mbbiDirectRecord *);
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#define NUM_BITS 32
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static long init_record(struct dbCommon *pcommon, int pass)
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{
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struct mbbiDirectRecord *prec = (struct mbbiDirectRecord *)pcommon;
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mbbidirectdset *pdset = (mbbidirectdset *) prec->dset;
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long status = 0;
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if (pass == 0) return 0;
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if (!pdset) {
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recGblRecordError(S_dev_noDSET, prec, "mbbiDirect: init_record");
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return S_dev_noDSET;
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}
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if ((pdset->common.number < 5) || (pdset->read_mbbi == NULL)) {
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recGblRecordError(S_dev_missingSup, prec, "mbbiDirect: init_record");
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return S_dev_missingSup;
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}
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recGblInitSimm(pcommon, &prec->sscn, &prec->oldsimm, &prec->simm, &prec->siml);
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recGblInitConstantLink(&prec->siol, DBF_ULONG, &prec->sval);
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/* Initialize MASK if the user set NOBT instead */
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if (prec->mask == 0 && prec->nobt <= 32)
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prec->mask = ((epicsUInt64) 1u << prec->nobt) - 1;
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if (pdset->common.init_record) {
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status = pdset->common.init_record(pcommon);
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if (status == 0) {
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epicsUInt32 val = prec->val;
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epicsUInt8 *pBn = &prec->b0;
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int i;
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/* Initialize B0 - B1F from VAL */
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for (i = 0; i < NUM_BITS; i++, pBn++, val >>= 1)
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*pBn = !! (val & 1);
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}
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}
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prec->mlst = prec->val;
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prec->oraw = prec->rval;
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return status;
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}
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static long process(struct dbCommon *pcommon)
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{
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struct mbbiDirectRecord *prec = (struct mbbiDirectRecord *)pcommon;
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mbbidirectdset *pdset = (mbbidirectdset *) prec->dset;
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long status;
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int pact = prec->pact;
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if ((pdset == NULL) || (pdset->read_mbbi == NULL)) {
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prec->pact = TRUE;
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recGblRecordError(S_dev_missingSup, prec, "read_mbbi");
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return S_dev_missingSup;
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}
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status = readValue(prec);
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/* Done if device support set PACT */
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if (!pact && prec->pact)
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return 0;
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prec->pact = TRUE;
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recGblGetTimeStampSimm(prec, prec->simm, &prec->siol);
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if (status == 0) {
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/* Convert RVAL to VAL */
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epicsUInt32 rval = prec->rval;
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if (prec->shft > 0)
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rval >>= prec->shft;
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prec->val = rval;
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prec->udf = FALSE;
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}
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else if (status == 2)
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status = 0;
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if (prec->udf)
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recGblSetSevr(prec, UDF_ALARM, INVALID_ALARM);
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monitor(prec);
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/* Wrap up */
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recGblFwdLink(prec);
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prec->pact = FALSE;
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return status;
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}
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static long special(DBADDR *paddr, int after)
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{
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mbbiDirectRecord *prec = (mbbiDirectRecord *)(paddr->precord);
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int special_type = paddr->special;
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switch(special_type) {
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case(SPC_MOD):
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if (dbGetFieldIndex(paddr) == mbbiDirectRecordSIMM) {
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if (!after)
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recGblSaveSimm(prec->sscn, &prec->oldsimm, prec->simm);
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else
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recGblCheckSimm((dbCommon *)prec, &prec->sscn, prec->oldsimm, prec->simm);
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return(0);
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}
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default:
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recGblDbaddrError(S_db_badChoice, paddr, "mbbiDirect: special");
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return(S_db_badChoice);
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}
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}
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static long get_precision(const DBADDR *paddr,long *precision)
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{
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mbbiDirectRecord *prec=(mbbiDirectRecord *)paddr->precord;
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if(dbGetFieldIndex(paddr)==mbbiDirectRecordVAL)
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*precision = prec->nobt;
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else
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recGblGetPrec(paddr,precision);
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return 0;
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}
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static void monitor(mbbiDirectRecord *prec)
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{
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epicsUInt16 events = recGblResetAlarms(prec);
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epicsUInt16 vl_events = events | DBE_VALUE | DBE_LOG;
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epicsUInt32 val = prec->val;
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epicsUInt8 *pBn = &prec->b0;
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int i;
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/* Update B0 - BF from VAL and post monitors */
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for (i = 0; i < NUM_BITS; i++, pBn++, val >>= 1) {
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epicsUInt8 oBn = *pBn;
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*pBn = !! (val & 1);
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if (oBn != *pBn)
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db_post_events(prec, pBn, vl_events);
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else if (events)
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db_post_events(prec, pBn, events);
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}
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if (prec->mlst != prec->val) {
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events = vl_events;
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prec->mlst = prec->val;
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}
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if (events)
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db_post_events(prec, &prec->val, events);
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if (prec->oraw != prec->rval) {
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db_post_events(prec, &prec->rval, vl_events);
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prec->oraw = prec->rval;
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}
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}
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static long readValue(mbbiDirectRecord *prec)
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{
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mbbidirectdset *pdset = (mbbidirectdset *) prec->dset;
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long status = 0;
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if (!prec->pact) {
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status = recGblGetSimm((dbCommon *)prec, &prec->sscn, &prec->oldsimm, &prec->simm, &prec->siml);
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if (status) return status;
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}
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switch (prec->simm) {
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case menuSimmNO:
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status = pdset->read_mbbi(prec);
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break;
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case menuSimmYES:
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case menuSimmRAW: {
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recGblSetSevr(prec, SIMM_ALARM, prec->sims);
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if (prec->pact || (prec->sdly < 0.)) {
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status = dbGetLink(&prec->siol, DBR_ULONG, &prec->sval, 0, 0);
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if (status == 0) {
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if (prec->simm == menuSimmYES) {
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prec->val = prec->sval;
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status = 2; /* Don't convert */
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} else {
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prec->rval = prec->sval;
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}
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prec->udf = FALSE;
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}
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prec->pact = FALSE;
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} else { /* !prec->pact && delay >= 0. */
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epicsCallback *pvt = prec->simpvt;
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if (!pvt) {
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pvt = calloc(1, sizeof(epicsCallback)); /* very lazy allocation of callback structure */
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prec->simpvt = pvt;
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}
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if (pvt) callbackRequestProcessCallbackDelayed(pvt, prec->prio, prec, prec->sdly);
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prec->pact = TRUE;
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}
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break;
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}
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default:
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recGblSetSevr(prec, SOFT_ALARM, INVALID_ALARM);
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status = -1;
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}
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return status;
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}
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