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regDevAaiAao.c
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regDevAaiAao.c
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#include <stdlib.h>
#include <dbAccess.h>
#include <dbEvent.h>
#include <epicsString.h>
#include "regDevSup.h"
/* aai **************************************************************/
#include <aaiRecord.h>
long regDevInitRecordAai(aaiRecord *);
long regDevReadAai(aaiRecord *);
struct devsup regDevAai =
{
5,
NULL,
NULL,
regDevInitRecordAai,
regDevGetInIntInfo,
regDevReadAai
};
epicsExportAddress(dset, regDevAai);
long regDevInitRecordAai(aaiRecord* record)
{
regDevPrivate* priv;
int status;
priv = regDevAllocPriv((dbCommon*)record);
if (!priv) return S_dev_noMemory;
status = regDevCheckFTVL((dbCommon*)record, record->ftvl);
if (status) return status;
status = regDevIoParse((dbCommon*)record, &record->inp,
record->ftvl==DBF_FLOAT || record->ftvl==DBF_DOUBLE ? TYPE_FLOAT : 0);
if (status) return status;
record->nord = record->nelm;
/* We can map the record directly into the blockBuffer if
- we have a blockBuffer
- we do not need to modify the data (e.g by swapping)
- the offset is constant (before EPICS 3.15.1)
- we do not overflow the blockBuffer
*/
if (priv->device->blockBuffer &&
!priv->device->swap &&
priv->dtype < 100 && /* not a BCD type */
!priv->invert &&
!priv->mask &&
!priv->fifopacking &&
!priv->interlace &&
#if EPICSVER < 31501
!priv->offsetRecord &&
#endif
priv->offset + record->nelm * priv->dlen <= priv->device->size)
{
/* map record directly in block buffer */
record->bptr = priv->device->blockBuffer + priv->offset;
}
else
{
/* aai record does not allocate bptr in older EPICS versions. */
status = regDevMemAlloc((dbCommon*)record, &record->bptr, record->nelm * priv->dlen);
if (status) return status;
}
priv->data.buffer = record->bptr;
status = regDevCheckType((dbCommon*)record, record->ftvl, record->nelm);
if (status == ARRAY_CONVERT)
{
/* convert to float/double */
record->bptr = calloc(record->nelm, dbValueSize(record->ftvl));
if (!record->bptr) return S_dev_noMemory;
}
return status;
}
long regDevReadAai(aaiRecord* record)
{
regDevPrivate* priv = (regDevPrivate*)record->dpvt;
int status;
if (!record->bptr)
{
regDevPrintErr("private buffer is not allocated");
return S_dev_noMemory;
}
status = regDevReadArray((dbCommon*)record, record->nelm);
record->nord = record->nelm;
if (status == ASYNC_COMPLETION) return S_dev_success;
if (status) return status;
if (priv->data.buffer == record->bptr) return S_dev_success;
/* convert to float/double */
return regDevScaleFromRaw((dbCommon*)record, record->ftvl,
record->bptr, record->nelm, record->lopr, record->hopr);
}
/* aao **************************************************************/
#include <aaoRecord.h>
long regDevInitRecordAao(aaoRecord *);
long regDevWriteAao(aaoRecord *);
long regDevUpdateAao(aaoRecord *);
struct devsup regDevAao =
{
5,
NULL,
NULL,
regDevInitRecordAao,
regDevGetInIntInfo,
regDevWriteAao
};
epicsExportAddress(dset, regDevAao);
long regDevInitRecordAao(aaoRecord* record)
{
regDevPrivate* priv;
int status;
regDevDebugLog(DBG_INIT, "%s:\n", record->name);
priv = regDevAllocPriv((dbCommon*)record);
if (!priv) return S_dev_noMemory;
status = regDevCheckFTVL((dbCommon*)record, record->ftvl);
if (status) return status;
status = regDevIoParse((dbCommon*)record, &record->out,
record->ftvl==DBF_FLOAT || record->ftvl==DBF_DOUBLE ? TYPE_FLOAT : 0);
if (status) return status;
record->nord = record->nelm;
/* We can map the record directly into the blockBuffer if
- we have a blockBuffer
- we do not need to modify the data (e.g by swapping)
- set and readback offset are the same
- the offset is constant (before EPICS 3.15.1)
- we do not overflow the blockBuffer
*/
if (priv->device->blockBuffer &&
!priv->device->swap &&
priv->dtype < 100 && /* not a BCD type */
!priv->invert &&
!priv->mask &&
!priv->fifopacking &&
!priv->interlace &&
#if EPICSVER < 31501
!priv->offsetRecord &&
#endif
(priv->rboffset == DONT_INIT || priv->rboffset == priv->offset) &&
priv->offset + record->nelm * priv->dlen <= priv->device->size)
{
/* map record directly in block buffer */
record->bptr = priv->device->blockBuffer + priv->offset;
}
else
{
/* aao record does not allocate bptr in older EPICS versions. */
status = regDevMemAlloc((dbCommon*)record, &record->bptr, record->nelm * priv->dlen);
if (status) return status;
}
priv->data.buffer = record->bptr;
status = regDevCheckType((dbCommon*)record, record->ftvl, record->nelm);
if (status == ARRAY_CONVERT)
{
/* convert from float/double */
record->bptr = calloc(record->nelm, dbValueSize(record->ftvl));
if (!record->bptr) return S_dev_noMemory;
}
else if (status) return status;
status = regDevInstallUpdateFunction((dbCommon*)record, regDevUpdateAao);
if (status) return status;
if (priv->rboffset == DONT_INIT) return S_dev_success;
status = regDevReadArray((dbCommon*)record, record->nelm);
if (status) return status;
if (priv->data.buffer == record->bptr) return S_dev_success;
/* convert to float/double */
return regDevScaleFromRaw((dbCommon*)record, record->ftvl,
record->bptr, record->nelm, record->lopr, record->hopr);
}
long regDevUpdateAao(aaoRecord* record)
{
regDevPrivate* priv = (regDevPrivate*)record->dpvt;
int status;
unsigned short monitor_mask;
if (!record->bptr)
{
regDevPrintErr("private buffer is not allocated");
return S_dev_noMemory;
}
status = regDevReadArray((dbCommon*)record, record->nelm);
if (status == ASYNC_COMPLETION) return S_dev_success;
if (status == S_dev_success)
{
if (priv->data.buffer != record->bptr) /* convert to float/double */
{
status = regDevScaleFromRaw((dbCommon*)record, record->ftvl,
record->bptr, record->nelm, record->lopr, record->hopr);
}
}
monitor_mask = recGblResetAlarms(record);
#if EPICSVER < 31412
monitor_mask |= DBE_LOG|DBE_VALUE;
#else
if (record->mpst == aaoPOST_Always)
monitor_mask |= DBE_VALUE;
if (record->apst == aaoPOST_Always)
monitor_mask |= DBE_LOG;
/* Calculate hash if we are interested in OnChange events. */
if ((record->mpst == aaoPOST_OnChange) ||
(record->apst == aaoPOST_OnChange))
{
unsigned int hash = epicsMemHash(record->bptr,
record->nord * dbValueSize(record->ftvl), 0);
/* Only post OnChange values if the hash is different. */
if (hash != record->hash)
{
if (record->mpst == aaoPOST_OnChange)
monitor_mask |= DBE_VALUE;
if (record->apst == aaoPOST_OnChange)
monitor_mask |= DBE_LOG;
/* Store hash for next process. */
record->hash = hash;
/* Post HASH. */
db_post_events(record, &record->hash, DBE_VALUE);
}
}
if (monitor_mask)
#endif
db_post_events(record, record->val, monitor_mask);
return status;
}
long regDevWriteAao(aaoRecord* record)
{
int status;
/* Note: due to the current implementation of aao, we never get here with PACT=1 */
regDevCheckAsyncWriteResult(record);
if (!record->bptr)
{
regDevPrintErr("private buffer is not allocated");
return S_dev_noMemory;
}
if (priv->data.buffer != record->bptr)
{
/* convert from float/double */
status = regDevScaleToRaw((dbCommon*)record, record->ftvl,
record->bptr, record->nelm, record->lopr, record->hopr);
if (status) return status;
}
status = regDevWriteArray((dbCommon*) record, record->nelm);
if (status == ASYNC_COMPLETION) return S_dev_success;
return status;
}