2d3a828acd
Reading back a .TSEL field that was originally pointed to another record's .TIME field was exposing internal details that didn't need to be made visible. This commit hides the .TIME => .VAL change completely, and allows a .TSEL link field to be saved and restored properly using autosave.
351 lines
9.0 KiB
C
351 lines
9.0 KiB
C
/*************************************************************************\
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* Copyright (c) 2009 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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* 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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/* recGbl.c */
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/* $Revision-Id$ */
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/*
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* Author: Marty Kraimer
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* Date: 11-7-90
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*/
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#include <stddef.h>
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#include <epicsStdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <limits.h>
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#include "dbDefs.h"
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#include "epicsMath.h"
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#include "epicsTime.h"
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#include "epicsPrint.h"
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#include "dbBase.h"
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#include "dbFldTypes.h"
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#include "link.h"
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#include "dbAddr.h"
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#include "db_field_log.h"
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#include "errlog.h"
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#include "devSup.h"
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#include "dbCommon.h"
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#include "caeventmask.h"
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#define epicsExportSharedSymbols
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#include "dbAccessDefs.h"
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#include "dbNotify.h"
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#include "dbCa.h"
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#include "dbEvent.h"
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#include "dbScan.h"
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#include "recGbl.h"
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/* Hook Routines */
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RECGBL_ALARM_HOOK_ROUTINE recGblAlarmHook = NULL;
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/* local routines */
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static void getMaxRangeValues(short field_type, double *pupper_limit,
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double *plower_limit);
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void epicsShareAPI recGblDbaddrError(long status, const struct dbAddr *paddr,
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const char *pmessage)
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{
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dbCommon *precord = 0;
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dbFldDes *pdbFldDes = 0;
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if(paddr) {
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pdbFldDes = paddr->pfldDes;
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precord = paddr->precord;
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}
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errPrintf(status,0,0,
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"PV: %s.%s "
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"error detected in routine: %s\n",
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(paddr ? precord->name : "Unknown"),
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(pdbFldDes ? pdbFldDes->name : ""),
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(pmessage ? pmessage : "Unknown"));
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return;
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}
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void epicsShareAPI recGblRecordError(long status, void *pdbc,
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const char *pmessage)
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{
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dbCommon *precord = pdbc;
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errPrintf(status,0,0,
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"PV: %s %s\n",
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(precord ? precord->name : "Unknown"),
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(pmessage ? pmessage : ""));
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return;
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}
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void epicsShareAPI recGblRecSupError(long status, const struct dbAddr *paddr,
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const char *pmessage, const char *psupport_name)
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{
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dbCommon *precord = 0;
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dbFldDes *pdbFldDes = 0;
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dbRecordType *pdbRecordType = 0;
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if(paddr) {
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precord = paddr->precord;
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pdbFldDes = paddr->pfldDes;
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if(pdbFldDes) pdbRecordType = pdbFldDes->pdbRecordType;
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}
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errPrintf(status,0,0,
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"Record Support Routine (%s) "
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"Record Type %s "
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"PV %s.%s "
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" %s\n",
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(psupport_name ? psupport_name : "Unknown"),
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(pdbRecordType ? pdbRecordType->name : "Unknown"),
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(paddr ? precord->name : "Unknown"),
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(pdbFldDes ? pdbFldDes->name : ""),
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(pmessage ? pmessage : ""));
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return;
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}
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void epicsShareAPI recGblGetPrec(const struct dbAddr *paddr, long *precision)
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{
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dbFldDes *pdbFldDes = paddr->pfldDes;
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switch (pdbFldDes->field_type) {
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case DBF_CHAR:
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case DBF_UCHAR:
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case DBF_SHORT:
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case DBF_USHORT:
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case DBF_LONG:
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case DBF_ULONG:
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*precision = 0;
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break;
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case DBF_FLOAT:
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case DBF_DOUBLE:
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if (*precision < 0 || *precision > 15)
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*precision = 15;
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break;
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default:
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break;
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}
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}
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void epicsShareAPI recGblGetGraphicDouble(const struct dbAddr *paddr,
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struct dbr_grDouble *pgd)
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{
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dbFldDes *pdbFldDes = paddr->pfldDes;
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getMaxRangeValues(pdbFldDes->field_type,
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&pgd->upper_disp_limit, &pgd->lower_disp_limit);
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}
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void epicsShareAPI recGblGetAlarmDouble(const struct dbAddr *paddr,
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struct dbr_alDouble *pad)
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{
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pad->upper_alarm_limit = epicsNAN;
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pad->upper_warning_limit = epicsNAN;
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pad->lower_warning_limit = epicsNAN;
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pad->lower_alarm_limit = epicsNAN;
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}
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void epicsShareAPI recGblGetControlDouble(const struct dbAddr *paddr,
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struct dbr_ctrlDouble *pcd)
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{
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dbFldDes *pdbFldDes = paddr->pfldDes;
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getMaxRangeValues(pdbFldDes->field_type,
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&pcd->upper_ctrl_limit, &pcd->lower_ctrl_limit);
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}
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int epicsShareAPI recGblInitConstantLink(
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struct link *plink,short dbftype,void *pdest)
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{
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if(plink->type != CONSTANT) return(FALSE);
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if(!plink->value.constantStr) return(FALSE);
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switch(dbftype) {
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case DBF_STRING:
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strcpy((char *)pdest,plink->value.constantStr);
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break;
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case DBF_CHAR : {
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epicsInt16 value;
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epicsInt8 *pvalue = (epicsInt8 *)pdest;
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sscanf(plink->value.constantStr,"%hi",&value);
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*pvalue = value;
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}
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break;
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case DBF_UCHAR : {
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epicsUInt16 value;
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epicsUInt8 *pvalue = (epicsUInt8 *)pdest;
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sscanf(plink->value.constantStr,"%hu",&value);
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*pvalue = value;
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}
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break;
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case DBF_SHORT :
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sscanf(plink->value.constantStr,"%hi",(epicsInt16 *)pdest);
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break;
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case DBF_USHORT :
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case DBF_ENUM :
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case DBF_MENU :
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case DBF_DEVICE :
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sscanf(plink->value.constantStr,"%hu",(epicsUInt16 *)pdest);
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break;
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case DBF_LONG :
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*(epicsInt32 *)pdest = strtol(plink->value.constantStr, NULL, 0);
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break;
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case DBF_ULONG :
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*(epicsUInt32 *)pdest = strtoul(plink->value.constantStr, NULL, 10);
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break;
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case DBF_FLOAT :
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epicsScanFloat(plink->value.constantStr, (epicsFloat32 *)pdest);
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break;
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case DBF_DOUBLE :
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epicsScanDouble(plink->value.constantStr, (epicsFloat64 *)pdest);
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break;
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default:
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epicsPrintf("Error in recGblInitConstantLink: Illegal DBF type\n");
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return(FALSE);
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}
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return(TRUE);
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}
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unsigned short epicsShareAPI recGblResetAlarms(void *precord)
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{
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dbCommon *pdbc = precord;
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epicsEnum16 prev_stat = pdbc->stat;
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epicsEnum16 prev_sevr = pdbc->sevr;
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epicsEnum16 new_stat = pdbc->nsta;
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epicsEnum16 new_sevr = pdbc->nsev;
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epicsEnum16 val_mask = 0;
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epicsEnum16 stat_mask = 0;
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pdbc->stat = new_stat;
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pdbc->sevr = new_sevr;
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pdbc->nsta = 0;
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pdbc->nsev = 0;
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if (prev_sevr != new_sevr) {
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stat_mask = DBE_ALARM;
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db_post_events(pdbc, &pdbc->sevr, DBE_VALUE);
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}
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if (prev_stat != new_stat) {
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stat_mask |= DBE_VALUE;
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}
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if (stat_mask) {
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db_post_events(pdbc, &pdbc->stat, stat_mask);
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val_mask = DBE_ALARM;
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if (!pdbc->ackt || new_sevr >= pdbc->acks) {
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pdbc->acks = new_sevr;
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db_post_events(pdbc, &pdbc->acks, DBE_VALUE);
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}
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if (recGblAlarmHook) {
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(*recGblAlarmHook)(pdbc, prev_sevr, prev_stat);
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}
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}
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return val_mask;
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}
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void epicsShareAPI recGblFwdLink(void *precord)
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{
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dbCommon *pdbc = precord;
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dbScanFwdLink(&pdbc->flnk);
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/*Handle dbPutFieldNotify record completions*/
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if(pdbc->ppn) dbNotifyCompletion(pdbc);
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if(pdbc->rpro) {
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/*If anyone requested reprocessing do it*/
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pdbc->rpro = FALSE;
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scanOnce(pdbc);
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}
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/*In case putField caused put we are all done */
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pdbc->putf = FALSE;
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}
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void epicsShareAPI recGblGetTimeStamp(void *pvoid)
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{
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dbCommon* prec = (dbCommon*)pvoid;
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struct link *plink = &prec->tsel;
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if (plink->type != CONSTANT) {
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struct pv_link *ppv_link = &plink->value.pv_link;
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if (ppv_link->pvlMask & pvlOptTSELisTime) {
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if (dbGetTimeStamp(plink, &prec->time))
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errlogPrintf("recGblGetTimeStamp: dbGetTimeStamp failed, %s.TSEL = %s\n",
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prec->name, ppv_link->pvname);
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return;
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}
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dbGetLink(&prec->tsel, DBR_SHORT, &prec->tse, 0, 0);
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}
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if (prec->tse != epicsTimeEventDeviceTime) {
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if (epicsTimeGetEvent(&prec->time, prec->tse))
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errlogPrintf("recGblGetTimeStamp: epicsTimeGetEvent failed, %s.TSE = %d\n",
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prec->name, prec->tse);
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}
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}
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void epicsShareAPI recGblTSELwasModified(struct link *plink)
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{
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struct pv_link *ppv_link = &plink->value.pv_link;
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char *pfieldname;
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if (plink->type != PV_LINK) {
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errlogPrintf("recGblTSELwasModified called for non PV_LINK\n");
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return;
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}
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/*If pvname ends in .TIME then just ask for VAL*/
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/*Note that the VAL value will not be used*/
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pfieldname = strstr(ppv_link->pvname, ".TIME");
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if (pfieldname) {
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*pfieldname = 0;
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ppv_link->pvlMask |= pvlOptTSELisTime;
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}
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}
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static void getMaxRangeValues(short field_type, double *pupper_limit,
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double *plower_limit)
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{
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switch(field_type){
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case DBF_CHAR:
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*pupper_limit = -128.0;
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*plower_limit = 127.0;
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break;
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case DBF_UCHAR:
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*pupper_limit = 255.0;
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*plower_limit = 0.0;
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break;
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case DBF_SHORT:
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*pupper_limit = (double) SHRT_MAX;
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*plower_limit = (double) SHRT_MIN;
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break;
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case DBF_ENUM:
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case DBF_USHORT:
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*pupper_limit = (double) USHRT_MAX;
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*plower_limit = 0.0;
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break;
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case DBF_LONG:
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*pupper_limit = 2147483647.0;
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*plower_limit = -2147483648.0;
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break;
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case DBF_ULONG:
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*pupper_limit = (double) 0xffffffffU;
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*plower_limit = 0.0;
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break;
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case DBF_FLOAT:
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*pupper_limit = 1e30;
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*plower_limit = -1e30;
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break;
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case DBF_DOUBLE:
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*pupper_limit = 1e300;
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*plower_limit = -1e300;
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break;
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}
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return;
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}
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