311 lines
7.4 KiB
C
311 lines
7.4 KiB
C
/*************************************************************************\
|
|
* Copyright (c) 2002 Lawrence Berkeley Laboratory,The Control Systems
|
|
* Group, Systems Engineering Department
|
|
* EPICS BASE is distributed subject to a Software License Agreement found
|
|
* in file LICENSE that is included with this distribution.
|
|
\*************************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
/* recSubArray.c - Record Support Routines for SubArray records
|
|
*
|
|
*
|
|
* Author: Carl Lionberger
|
|
* Date: 090293
|
|
*
|
|
* NOTES:
|
|
* Derived from waveform record.
|
|
* Modification Log:
|
|
* -----------------
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "dbDefs.h"
|
|
#include "epicsPrint.h"
|
|
#include "alarm.h"
|
|
#include "dbAccess.h"
|
|
#include "dbEvent.h"
|
|
#include "dbFldTypes.h"
|
|
#include "dbScan.h"
|
|
#include "devSup.h"
|
|
#include "errMdef.h"
|
|
#include "recSup.h"
|
|
#include "recGbl.h"
|
|
#include "cantProceed.h"
|
|
#define GEN_SIZE_OFFSET
|
|
#include "subArrayRecord.h"
|
|
#undef GEN_SIZE_OFFSET
|
|
#include "epicsExport.h"
|
|
|
|
/* Create RSET - Record Support Entry Table*/
|
|
#define report NULL
|
|
#define initialize NULL
|
|
static long init_record(subArrayRecord *prec, int pass);
|
|
static long process(subArrayRecord *prec);
|
|
#define special NULL
|
|
#define get_value NULL
|
|
static long cvt_dbaddr(DBADDR *paddr);
|
|
static long get_array_info(DBADDR *paddr, long *no_elements, long *offset);
|
|
static long put_array_info(DBADDR *paddr, long nNew);
|
|
static long get_units(DBADDR *paddr, char *units);
|
|
static long get_precision(DBADDR *paddr, long *precision);
|
|
#define get_enum_str NULL
|
|
#define get_enum_strs NULL
|
|
#define put_enum_str NULL
|
|
static long get_graphic_double(DBADDR *paddr, struct dbr_grDouble *pgd);
|
|
static long get_control_double(DBADDR *paddr, struct dbr_ctrlDouble *pcd);
|
|
#define get_alarm_double NULL
|
|
|
|
rset subArrayRSET={
|
|
RSETNUMBER,
|
|
report,
|
|
initialize,
|
|
init_record,
|
|
process,
|
|
special,
|
|
get_value,
|
|
cvt_dbaddr,
|
|
get_array_info,
|
|
put_array_info,
|
|
get_units,
|
|
get_precision,
|
|
get_enum_str,
|
|
get_enum_strs,
|
|
put_enum_str,
|
|
get_graphic_double,
|
|
get_control_double,
|
|
get_alarm_double
|
|
};
|
|
epicsExportAddress(rset,subArrayRSET);
|
|
|
|
struct sadset { /* subArray dset */
|
|
long number;
|
|
DEVSUPFUN dev_report;
|
|
DEVSUPFUN init;
|
|
DEVSUPFUN init_record; /*returns: (-1,0)=>(failure,success)*/
|
|
DEVSUPFUN get_ioint_info;
|
|
DEVSUPFUN read_sa; /*returns: (-1,0)=>(failure,success)*/
|
|
};
|
|
|
|
static void monitor(subArrayRecord *prec);
|
|
static long readValue(subArrayRecord *prec);
|
|
|
|
|
|
|
|
static long init_record(subArrayRecord *prec, int pass)
|
|
{
|
|
struct sadset *pdset;
|
|
|
|
if (pass==0){
|
|
if (prec->malm <= 0)
|
|
prec->malm = 1;
|
|
if (prec->ftvl > DBF_ENUM)
|
|
prec->ftvl = DBF_UCHAR;
|
|
prec->bptr = callocMustSucceed(prec->malm, dbValueSize(prec->ftvl),
|
|
"subArrayRecord calloc failed");
|
|
prec->nord = 0;
|
|
return 0;
|
|
}
|
|
|
|
/* must have dset defined */
|
|
if (!(pdset = (struct sadset *)(prec->dset))) {
|
|
recGblRecordError(S_dev_noDSET,(void *)prec,"sa: init_record");
|
|
return S_dev_noDSET;
|
|
}
|
|
|
|
/* must have read_sa function defined */
|
|
if ( (pdset->number < 5) || (pdset->read_sa == NULL) ) {
|
|
recGblRecordError(S_dev_missingSup,(void *)prec,"sa: init_record");
|
|
return S_dev_missingSup;
|
|
}
|
|
|
|
if (pdset->init_record)
|
|
return (*pdset->init_record)(prec);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long process(subArrayRecord *prec)
|
|
{
|
|
struct sadset *pdset = (struct sadset *)(prec->dset);
|
|
long status;
|
|
unsigned char pact=prec->pact;
|
|
|
|
if ((pdset==NULL) || (pdset->read_sa==NULL)) {
|
|
prec->pact=TRUE;
|
|
recGblRecordError(S_dev_missingSup, (void *)prec, "read_sa");
|
|
return S_dev_missingSup;
|
|
}
|
|
|
|
if (pact && prec->busy) return 0;
|
|
|
|
status=readValue(prec); /* read the new value */
|
|
if (!pact && prec->pact) return 0;
|
|
prec->pact = TRUE;
|
|
|
|
recGblGetTimeStamp(prec);
|
|
|
|
prec->udf = !!status; /* 0 or 1 */
|
|
if (status)
|
|
recGblSetSevr(prec, UDF_ALARM, INVALID_ALARM);
|
|
|
|
monitor(prec);
|
|
|
|
/* process the forward scan link record */
|
|
recGblFwdLink(prec);
|
|
|
|
prec->pact=FALSE;
|
|
return 0;
|
|
}
|
|
|
|
static long cvt_dbaddr(DBADDR *paddr)
|
|
{
|
|
subArrayRecord *prec = (subArrayRecord *) paddr->precord;
|
|
|
|
paddr->pfield = prec->bptr;
|
|
paddr->no_elements = prec->malm;
|
|
paddr->field_type = prec->ftvl;
|
|
paddr->field_size = dbValueSize(prec->ftvl);
|
|
paddr->dbr_field_type = prec->ftvl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long get_array_info(DBADDR *paddr, long *no_elements, long *offset)
|
|
{
|
|
subArrayRecord *prec = (subArrayRecord *) paddr->precord;
|
|
|
|
if (prec->udf)
|
|
*no_elements = 0;
|
|
else
|
|
*no_elements = prec->nord;
|
|
*offset = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long put_array_info(DBADDR *paddr, long nNew)
|
|
{
|
|
subArrayRecord *prec = (subArrayRecord *) paddr->precord;
|
|
|
|
if (nNew > prec->malm)
|
|
prec->nord = prec->malm;
|
|
else
|
|
prec->nord = nNew;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long get_units(DBADDR *paddr, char *units)
|
|
{
|
|
subArrayRecord *prec = (subArrayRecord *) paddr->precord;
|
|
|
|
strncpy(units, prec->egu, DB_UNITS_SIZE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long get_precision(DBADDR *paddr, long *precision)
|
|
{
|
|
subArrayRecord *prec = (subArrayRecord *) paddr->precord;
|
|
int fieldIndex = dbGetFieldIndex(paddr);
|
|
|
|
*precision = prec->prec;
|
|
|
|
if (fieldIndex != subArrayRecordVAL)
|
|
recGblGetPrec(paddr, precision);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long get_graphic_double(DBADDR *paddr, struct dbr_grDouble *pgd)
|
|
{
|
|
subArrayRecord *prec = (subArrayRecord *) paddr->precord;
|
|
|
|
switch (dbGetFieldIndex(paddr)) {
|
|
case subArrayRecordVAL:
|
|
pgd->upper_disp_limit = prec->hopr;
|
|
pgd->lower_disp_limit = prec->lopr;
|
|
break;
|
|
|
|
case subArrayRecordINDX:
|
|
pgd->upper_disp_limit = prec->malm - 1;
|
|
pgd->lower_disp_limit = 0;
|
|
break;
|
|
|
|
case subArrayRecordNELM:
|
|
pgd->upper_disp_limit = prec->malm;
|
|
pgd->lower_disp_limit = 1;
|
|
break;
|
|
|
|
default:
|
|
recGblGetGraphicDouble(paddr, pgd);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long get_control_double(DBADDR *paddr, struct dbr_ctrlDouble *pcd)
|
|
{
|
|
subArrayRecord *prec = (subArrayRecord *) paddr->precord;
|
|
|
|
switch (dbGetFieldIndex(paddr)) {
|
|
case subArrayRecordVAL:
|
|
pcd->upper_ctrl_limit = prec->hopr;
|
|
pcd->lower_ctrl_limit = prec->lopr;
|
|
break;
|
|
|
|
case subArrayRecordINDX:
|
|
pcd->upper_ctrl_limit = prec->malm - 1;
|
|
pcd->lower_ctrl_limit = 0;
|
|
break;
|
|
|
|
case subArrayRecordNELM:
|
|
pcd->upper_ctrl_limit = prec->malm;
|
|
pcd->lower_ctrl_limit = 1;
|
|
break;
|
|
|
|
default:
|
|
recGblGetControlDouble(paddr, pcd);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void monitor(subArrayRecord *prec)
|
|
{
|
|
unsigned short monitor_mask;
|
|
|
|
monitor_mask = recGblResetAlarms(prec);
|
|
monitor_mask |= (DBE_LOG|DBE_VALUE);
|
|
|
|
db_post_events(prec, prec->bptr, monitor_mask);
|
|
|
|
return;
|
|
}
|
|
|
|
static long readValue(subArrayRecord *prec)
|
|
{
|
|
long status;
|
|
struct sadset *pdset = (struct sadset *) (prec->dset);
|
|
|
|
if (prec->nelm > prec->malm)
|
|
prec->nelm = prec->malm;
|
|
|
|
if (prec->indx >= prec->malm)
|
|
prec->indx = prec->malm - 1;
|
|
|
|
status = (*pdset->read_sa)(prec);
|
|
|
|
if (prec->nord <= 0)
|
|
status = -1;
|
|
|
|
return status;
|
|
}
|
|
|