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fixed simulation mode, buffer allocation during initialization, corruption of NELM

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This commit is contained in:
Dirk Zimoch
2010-05-27 06:22:15 -07:00
parent 6ed0fdf9fd
commit c4d0f1eb44
2 changed files with 80 additions and 43 deletions
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118
src/rec/aaiRecord.c
View File

@@ -9,7 +9,6 @@
/* recAai.c - Record Support Routines for Array Analog In records */
/*
* Original Author: Dave Barker
* Date: 10/24/93
*
* C E B A F
*
@@ -18,6 +17,8 @@
*
* Copyright SURA CEBAF 1993.
*
* Current Author: Dirk Zimoch <dirk.zimoch@psi.ch>
* Date: 27-MAY-2010
*/
#include <stddef.h>
@@ -30,12 +31,14 @@
#include "epicsPrint.h"
#include "alarm.h"
#include "dbAccess.h"
#include "dbScan.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"
#include "menuYesNo.h"
#define GEN_SIZE_OFFSET
#include "aaiRecord.h"
@@ -84,43 +87,67 @@ rset aaiRSET={
epicsExportAddress(rset,aaiRSET);
struct aaidset { /* aai dset */
long number;
DEVSUPFUN dev_report;
DEVSUPFUN init;
DEVSUPFUN init_record; /*returns: (-1,0)=>(failure,success)*/
DEVSUPFUN get_ioint_info;
DEVSUPFUN read_aai; /*returns: (-1,0)=>(failure,success)*/
long number;
DEVSUPFUN dev_report;
DEVSUPFUN init;
DEVSUPFUN init_record; /*returns: (-1,0)=>(failure,success)*/
DEVSUPFUN get_ioint_info;
DEVSUPFUN read_aai; /*returns: (-1,0)=>(failure,success)*/
};
static void monitor(aaiRecord *);
static long readValue(aaiRecord *);
static long init_record(aaiRecord *prec, int pass)
{
struct aaidset *pdset;
long status;
struct aaidset *pdset = (struct aaidset *)(prec->dset);
if (pass == 0) {
if (prec->nelm <= 0) prec->nelm = 1;
return 0;
}
recGblInitConstantLink(&prec->siml, DBF_USHORT, &prec->simm);
/* must have dset defined */
if (!(pdset = (struct aaidset *)(prec->dset))) {
recGblRecordError(S_dev_noDSET, (void *)prec, "aai: init_record");
if (!pdset) {
recGblRecordError(S_dev_noDSET, prec, "aai: init_record");
return S_dev_noDSET;
}
if (pass == 0) {
if (prec->nelm <= 0)
prec->nelm = 1;
if (prec->ftvl > DBF_ENUM)
prec->ftvl = DBF_UCHAR;
if (prec->nelm == 1) {
prec->nord = 1;
} else {
prec->nord = 0;
}
/* we must call pdset->init_record in pass 0
because it may set prec->bptr which must
not change after links are established before pass 1
*/
if (pdset->init_record) {
/* init_record may set the bptr to point to the data */
if ((status = pdset->init_record(prec)))
return status;
}
if (!prec->bptr) {
/* device support did not allocate memory so we must do it */
prec->bptr = callocMustSucceed(prec->nelm, dbValueSize(prec->ftvl),
"aai: buffer calloc failed");
}
return 0;
}
/* SIML must be a CONSTANT or a PV_LINK or a DB_LINK */
if (prec->siml.type == CONSTANT) {
recGblInitConstantLink(&prec->siml,DBF_USHORT,&prec->simm);
}
/* must have read_aai function defined */
if (pdset->number < 5 || pdset->read_aai == NULL) {
recGblRecordError(S_dev_missingSup, (void *)prec, "aai: init_record");
recGblRecordError(S_dev_missingSup, prec, "aai: init_record");
return S_dev_missingSup;
}
if (pdset->init_record) {
/* init_record sets the bptr to point to the data */
if ((status = pdset->init_record(prec)))
return status;
}
return 0;
}
@@ -132,14 +159,13 @@ static long process(aaiRecord *prec)
if (pdset == NULL || pdset->read_aai == NULL) {
prec->pact = TRUE;
recGblRecordError(S_dev_missingSup, (void *)prec, "read_aai");
recGblRecordError(S_dev_missingSup, prec, "read_aai");
return S_dev_missingSup;
}
if (pact) return 0;
status = readValue(prec); /* read the new value */
/* check if device support set pact */
if (!pact && prec->pact) return 0;
prec->pact = TRUE;
@@ -151,7 +177,7 @@ static long process(aaiRecord *prec)
recGblFwdLink(prec);
prec->pact = FALSE;
return 0;
return status;
}
static long get_value(aaiRecord *prec, struct valueDes *pvdes)
@@ -166,7 +192,7 @@ static long cvt_dbaddr(DBADDR *paddr)
{
aaiRecord *prec = (aaiRecord *)paddr->precord;
paddr->pfield = (void *)(prec->bptr);
paddr->pfield = prec->bptr;
paddr->no_elements = prec->nelm;
paddr->field_type = prec->ftvl;
paddr->field_size = dbValueSize(prec->ftvl);
@@ -178,7 +204,7 @@ static long get_array_info(DBADDR *paddr, long *no_elements, long *offset)
{
aaiRecord *prec = (aaiRecord *)paddr->precord;
*no_elements = prec->nelm;
*no_elements = prec->nord;
*offset = 0;
return 0;
}
@@ -187,7 +213,9 @@ static long put_array_info(DBADDR *paddr, long nNew)
{
aaiRecord *prec = (aaiRecord *)paddr->precord;
prec->nelm = nNew;
prec->nord = nNew;
if (prec->nord > prec->nelm)
prec->nord = prec->nelm;
return 0;
}
@@ -204,7 +232,7 @@ static long get_precision(DBADDR *paddr, long *precision)
aaiRecord *prec = (aaiRecord *)paddr->precord;
*precision = prec->prec;
if (paddr->pfield == (void *)prec->bptr) return 0;
if (paddr->pfield == prec->bptr) return 0;
recGblGetPrec(paddr, precision);
return 0;
}
@@ -213,7 +241,7 @@ static long get_graphic_double(DBADDR *paddr, struct dbr_grDouble *pgd)
{
aaiRecord *prec = (aaiRecord *)paddr->precord;
if (paddr->pfield == (void *)prec->bptr) {
if (paddr->pfield == prec->bptr) {
pgd->upper_disp_limit = prec->hopr;
pgd->lower_disp_limit = prec->lopr;
} else recGblGetGraphicDouble(paddr, pgd);
@@ -224,7 +252,7 @@ static long get_control_double(DBADDR *paddr, struct dbr_ctrlDouble *pcd)
{
aaiRecord *prec = (aaiRecord *)paddr->precord;
if (paddr->pfield == (void *)prec->bptr) {
if (paddr->pfield == prec->bptr) {
pcd->upper_ctrl_limit = prec->hopr;
pcd->lower_ctrl_limit = prec->lopr;
} else recGblGetControlDouble(paddr, pcd);
@@ -253,21 +281,25 @@ static long readValue(aaiRecord *prec)
status = dbGetLink(&prec->siml, DBR_ENUM, &prec->simm, 0, 0);
if (status)
return(status);
return status;
if (prec->simm == menuYesNoNO){
/* Call dev support */
status = pdset->read_aai(prec);
return status;
return pdset->read_aai(prec);
}
if (prec->simm == menuYesNoYES){
/* Simm processing split performed in devSup */
/* Call dev support */
status = pdset->read_aai(prec);
return status;
/* Device suport is responsible for buffer
which might be read-only so we may not be
allowed to call dbGetLink on it.
Maybe also device support has an advanced
simulation mode.
Thus call device now.
*/
recGblSetSevr(prec, SIMM_ALARM, prec->sims);
return pdset->read_aai(prec);
}
status = -1;
recGblSetSevr(prec, SIMM_ALARM, INVALID_ALARM);
return status;
recGblSetSevr(prec, SOFT_ALARM, INVALID_ALARM);
return -1;
}

5
src/rec/aaiRecord.dbd
View File

@@ -82,4 +82,9 @@ recordtype(aai) {
interest(2)
menu(menuAlarmSevr)
}
field(SIOL,DBF_INLINK) {
prompt("Sim Input Specifctn")
promptgroup(GUI_INPUTS)
interest(1)
}
}