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use ADEL for monitoring; support time stamp rounding

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This commit is contained in:
Roger Cole
1992-02-25 16:32:35 +00:00
parent 8bb30c5369
commit e4431f41c5
1 changed files with 20 additions and 4 deletions
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24
src/libCom/sydSubrCA.c
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@@ -4,7 +4,7 @@
*
* Experimental Physics and Industrial Control System (EPICS)
*
* Copyright 1991, the Regents of the University of California,
* Copyright 1991-92, the Regents of the University of California,
* and the University of Chicago Board of Governors.
*
* This software was produced under U.S. Government contracts:
@@ -30,6 +30,8 @@
* .02 06-19-91 rac replace <fields.h> with <alarm.h>
* .03 08-15-91 rac use new call for sydOpen
* .04 09-23-91 rac allow async completion of ca_search
* .05 02-13-92 rac use ADEL for monitoring; perform time-stamp
* rounding if requested
*
* make options
* -DvxWorks makes a version for VxWorks
@@ -244,12 +246,12 @@ chid pCh; /* channel pointer */
return retStat;
}
if (pSChan->evid == NULL) {
stat = ca_add_array_event(pSChan->dbrType, pSChan->elCount, pCh,
sydCAFuncMonHandler, NULL, 0., 0., 0., &pSChan->evid);
stat = ca_add_masked_array_event(pSChan->dbrType, pSChan->elCount, pCh,
sydCAFuncMonHandler, NULL, 0., 0., 0., &pSChan->evid, DBE_LOG);
if (stat != ECA_NORMAL) {
retStat = S_syd_ERROR;
(void)printf(
"sydCAFunc: error on ca_add_array_event(GR) for %s :\n%s\n",
"sydCAFunc: error on ca_add_masked_array_event for %s :\n%s\n",
pSChan->name, ca_message(stat));
ca_clear_channel(pCh);
return retStat;
@@ -315,6 +317,8 @@ struct connection_handler_args arg;
* removes it with sydSampleGet, then the oldest unretrieved data
* is lost.
*
* If time stamp rounding is to be done, it is done here.
*
* RETURNS
* void
*
@@ -350,6 +354,7 @@ struct event_handler_args arg;
long stat;
int i, i1, j;
long inStatus;
unsigned long roundTemp;
union db_access_val *pBuf;
pCh = arg.chid;
@@ -366,6 +371,17 @@ struct event_handler_args arg;
if (!dbr_type_is_TIME(arg.type))
return;
if (pSspec->roundNsec > 0) {
roundTemp = pBuf->tfltval.stamp.nsec;
roundTemp = ( (roundTemp + pSspec->roundNsec/2) /
pSspec->roundNsec ) * pSspec->roundNsec;
if (roundTemp < 1000000000)
pBuf->tfltval.stamp.nsec = roundTemp;
else {
pBuf->tfltval.stamp.nsec = roundTemp - 1000000000;
pBuf->tfltval.stamp.secPastEpoch += 1;;
}
}
if (pSChan->lastInBuf == pSChan->firstInBuf &&
pBuf->tfltval.stamp.secPastEpoch != 0) {
if (pSspec->refTs.secPastEpoch == 0 ||