366 lines
9.4 KiB
C
366 lines
9.4 KiB
C
/* recGbl.c - Global record processing routines */
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/* base/src/db $Id$ */
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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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* Experimental Physics and Industrial Control System (EPICS)
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*
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* Copyright 1991, the Regents of the University of California,
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* and the University of Chicago Board of Governors.
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*
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* This software was produced under U.S. Government contracts:
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* (W-7405-ENG-36) at the Los Alamos National Laboratory,
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* and (W-31-109-ENG-38) at Argonne National Laboratory.
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*
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* Initial development by:
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* The Controls and Automation Group (AT-8)
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* Ground Test Accelerator
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* Accelerator Technology Division
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* Los Alamos National Laboratory
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*
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* Co-developed with
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* The Controls and Computing Group
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* Accelerator Systems Division
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* Advanced Photon Source
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* Argonne National Laboratory
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*
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* Modification Log:
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* -----------------
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* .01 11-16-91 jba Added recGblGetGraphicDouble, recGblGetControlDouble
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* .02 02-28-92 jba ANSI C changes
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* .03 05-19-92 mrk Changes for internal database structure changes
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* .04 07-16-92 jba changes made to remove compile warning msgs
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* .05 07-21-92 jba Added recGblGetAlarmDouble
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* .06 08-07-92 jba Added recGblGetLinkValue, recGblPutLinkValue
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* .07 08-07-92 jba Added RTN_SUCCESS check for status
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* .08 09-15-92 jba changed error parm in recGblRecordError calls
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* .09 09-17-92 jba ANSI C changes
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* .10 01-27-93 jba set pact to true during calls to dbPutLink
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* .11 03-21-94 mcn Added fast link routines
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*/
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#include <stddef.h>
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#include <stdlib.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 "osiClock.h"
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#include "epicsPrint.h"
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#include "dbBase.h"
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#include "dbEvent.h"
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#include "dbAccess.h"
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#include "dbConvert.h"
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#include "dbScan.h"
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#include "devSup.h"
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#include "recGbl.h"
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#include "dbCommon.h"
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/* local routines */
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static void getMaxRangeValues();
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void recGblDbaddrError(long status,struct dbAddr *paddr,char *pcaller_name)
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{
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char buffer[200];
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struct dbCommon *precord;
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dbFldDes *pdbFldDes=(dbFldDes *)(paddr->pfldDes);
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buffer[0]=0;
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if(paddr) { /* print process variable name */
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precord=(struct dbCommon *)(paddr->precord);
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strcat(buffer,"PV: ");
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strcat(buffer,precord->name);
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strcat(buffer,".");
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strcat(buffer,pdbFldDes->name);
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strcat(buffer," ");
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}
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if(pcaller_name) {
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strcat(buffer,"error detected in routine: ");
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strcat(buffer,pcaller_name);
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}
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errMessage(status,buffer);
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return;
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}
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void recGblRecordError(long status,void *pdbc,char *pcaller_name)
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{
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struct dbCommon *precord = pdbc;
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char buffer[200];
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buffer[0]=0;
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if(precord) { /* print process variable name */
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strcat(buffer,"PV: ");
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strcat(buffer,precord->name);
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strcat(buffer," ");
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}
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if(pcaller_name) {
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strcat(buffer,pcaller_name);
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}
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errMessage(status,buffer);
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return;
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}
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void recGblRecSupError(long status,struct dbAddr *paddr,char *pcaller_name,
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char *psupport_name)
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{
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char buffer[200];
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struct dbCommon *precord;
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dbFldDes *pdbFldDes = 0;
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dbRecordType *pdbRecordType = 0;
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if(paddr) pdbFldDes=(dbFldDes *)(paddr->pfldDes);
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if(pdbFldDes) pdbRecordType = pdbFldDes->pdbRecordType;
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buffer[0]=0;
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strcat(buffer,"Record Support Routine (");
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if(psupport_name)
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strcat(buffer,psupport_name);
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else
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strcat(buffer,"Unknown");
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strcat(buffer,") not available.\n");
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if(pdbRecordType) {
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strcat(buffer,"Record Type is ");
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strcat(buffer,pdbRecordType->name);
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if(paddr) { /* print process variable name */
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precord=(struct dbCommon *)(paddr->precord);
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strcat(buffer,", PV is ");
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strcat(buffer,precord->name);
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strcat(buffer,".");
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strcat(buffer,pdbFldDes->name);
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strcat(buffer,"\n");
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}
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}
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if(pcaller_name) {
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strcat(buffer,"error detected in routine: ");
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strcat(buffer,pcaller_name);
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}
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errMessage(status,buffer);
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return;
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}
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void recGblGetPrec(struct dbAddr *paddr,long *precision)
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{
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dbFldDes *pdbFldDes=(dbFldDes *)(paddr->pfldDes);
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switch(pdbFldDes->field_type){
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case(DBF_SHORT):
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*precision = 0;
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break;
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case(DBF_USHORT):
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*precision = 0;
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break;
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case(DBF_LONG):
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*precision = 0;
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break;
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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) *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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return;
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}
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void recGblGetGraphicDouble(struct dbAddr *paddr,struct dbr_grDouble *pgd)
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{
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dbFldDes *pdbFldDes=(dbFldDes *)(paddr->pfldDes);
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getMaxRangeValues(pdbFldDes->field_type,&pgd->upper_disp_limit,
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&pgd->lower_disp_limit);
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return;
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}
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void recGblGetAlarmDouble(struct dbAddr *paddr,struct dbr_alDouble *pad)
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{
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pad->upper_alarm_limit = 0;
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pad->upper_warning_limit = 0;
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pad->lower_warning_limit = 0;
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pad->lower_alarm_limit = 0;
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return;
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}
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void recGblGetControlDouble(struct dbAddr *paddr,struct dbr_ctrlDouble *pcd)
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{
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dbFldDes *pdbFldDes=(dbFldDes *)(paddr->pfldDes);
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getMaxRangeValues(pdbFldDes->field_type,&pcd->upper_ctrl_limit,
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&pcd->lower_ctrl_limit);
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return;
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}
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int recGblInitConstantLink(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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short value;
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char *pvalue = (char *)pdest;
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sscanf(plink->value.constantStr,"%hd",&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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unsigned short value;
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unsigned char *pvalue = (unsigned char *)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,"%hd",(short *)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",(unsigned short *)pdest);
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break;
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case DBF_LONG :
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sscanf(plink->value.constantStr,"%ld",(long *)pdest);
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break;
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case DBF_ULONG :
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sscanf(plink->value.constantStr,"%lu",(unsigned long *)pdest);
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break;
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case DBF_FLOAT :
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sscanf(plink->value.constantStr,"%f",(float *)pdest);
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break;
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case DBF_DOUBLE :
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sscanf(plink->value.constantStr,"%lf",(double *)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 recGblResetAlarms(void *precord)
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{
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struct dbCommon *pdbc = precord;
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unsigned short mask,stat,sevr,nsta,nsev,ackt,acks;
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mask = 0;
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stat=pdbc->stat; sevr=pdbc->sevr;
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nsta=pdbc->nsta; nsev=pdbc->nsev;
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pdbc->stat=nsta; pdbc->sevr=nsev;
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pdbc->nsta=0; pdbc->nsev=0;
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/* alarm condition changed this scan?*/
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if (stat!=nsta) {
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mask = DBE_ALARM;
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db_post_events(pdbc,&pdbc->stat,DBE_VALUE);
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}
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if (sevr!=nsev) {
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mask = DBE_ALARM;
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db_post_events(pdbc,&pdbc->sevr,DBE_VALUE);
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}
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if(sevr!=nsev || stat!=nsta) {
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ackt = pdbc->ackt; acks = pdbc->acks;
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if(!ackt || nsev>=acks){
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pdbc->acks=nsev;
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db_post_events(pdbc,&pdbc->acks,DBE_VALUE);
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}
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}
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return(mask);
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}
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void recGblFwdLink(void *precord)
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{
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struct dbCommon *pdbc = precord;
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static short fwdLinkValue = 1;
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if(pdbc->flnk.type==DB_LINK ) {
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struct dbAddr *paddr = pdbc->flnk.value.pv_link.pvt;
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dbScanPassive(precord,paddr->precord);
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} else
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if((pdbc->flnk.type==CA_LINK)
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&& (pdbc->flnk.value.pv_link.pvlMask & pvlOptFWD)) {
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dbCaPutLink(&pdbc->flnk,DBR_SHORT,&fwdLinkValue,1);
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}
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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 recGblGetTimeStamp(void* prec)
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{
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struct dbCommon* pr = (struct dbCommon*)prec;
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if(pr->tsel.type!=CONSTANT)
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{
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dbGetLink(&(pr->tsel), DBR_SHORT,&(pr->tse),0,0);
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clockGetEventTime((int)pr->tse,&pr->time);
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}
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else
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clockGetEventTime((int)pr->tse,&pr->time);
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}
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static void getMaxRangeValues(field_type,pupper_limit,plower_limit)
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short field_type;
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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 = (double)0;
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break;
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case(DBF_LONG):
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/* long did not work using cast to double */
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*pupper_limit = 2147483647.;
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*plower_limit = -2147483648.;
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break;
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case(DBF_ULONG):
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*pupper_limit = (double)ULONG_MAX;
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*plower_limit = (double)0;
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break;
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case(DBF_FLOAT):
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*pupper_limit = (double)1e+30;
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*plower_limit = (double)-1e30;
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break;
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case(DBF_DOUBLE):
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*pupper_limit = (double)1e+30;
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*plower_limit = (double)-1e30;
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break;
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}
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return;
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}
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