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allow specification of PV's best external type

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This commit is contained in:
Jeff Hill
2002-08-21 16:23:38 +00:00
parent 82ba4f0a1f
commit a3b726f105
2 changed files with 26 additions and 20 deletions
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4
src/cas/example/simple/exPV.cc
View File

@@ -121,9 +121,9 @@ exPV::expire ( const epicsTime & /*currentTime*/ ) // X aCC 361
//
// exPV::bestExternalType()
//
aitEnum exPV::bestExternalType() const
aitEnum exPV::bestExternalType () const
{
return aitEnumFloat64;
return this->info.getType ();
}
//

42
src/cas/example/simple/exServer.cc
View File

@@ -21,12 +21,12 @@
// static list of pre-created PVs
//
pvInfo exServer::pvList[] = {
pvInfo (1.0e-1, "jane", 10.0f, 0.0f, excasIoSync, 1u),
pvInfo (2.0, "fred", 10.0f, -10.0f, excasIoSync, 1u),
pvInfo (1.0e-1, "janet", 10.0f, 0.0f, excasIoAsync, 1u),
pvInfo (2.0, "freddy", 10.0f, -10.0f, excasIoAsync, 1u),
pvInfo (2.0, "alan", 10.0f, -10.0f, excasIoSync, 100u),
pvInfo (20.0, "albert", 10.0f, -10.0f, excasIoSync, 1000u)
pvInfo (1.0e-1, "jane", 10.0f, 0.0f, aitEnumFloat64, excasIoSync, 1u),
pvInfo (2.0, "fred", 10.0f, -10.0f, aitEnumFloat64, excasIoSync, 1u),
pvInfo (1.0e-1, "janet", 10.0f, 0.0f, aitEnumFloat64, excasIoAsync, 1u),
pvInfo (2.0, "freddy", 10.0f, -10.0f, aitEnumFloat64, excasIoAsync, 1u),
pvInfo (2.0, "alan", 10.0f, -10.0f, aitEnumFloat64, excasIoSync, 100u),
pvInfo (20.0, "albert", 10.0f, -10.0f, aitEnumFloat64, excasIoSync, 1000u)
};
const unsigned exServer::pvListNElem = NELEMENTS (exServer::pvList);
@@ -34,9 +34,11 @@ const unsigned exServer::pvListNElem = NELEMENTS (exServer::pvList);
//
// static on-the-fly PVs
//
pvInfo exServer::bill (-1.0, "bill", 10.0f, -10.0f, excasIoSync, 1u);
pvInfo exServer::billy (-1.0, "billy", 10.0f, -10.0f, excasIoAsync, 1u);
pvInfo exServer::bloaty (-1.0, "bloaty", 10.0f, -10.0f, excasIoSync, 100000);
pvInfo exServer::bill (-1.0, "bill", 10.0f, -10.0f, aitEnumFloat64, excasIoSync, 1u);
pvInfo exServer::billy (-1.0, "billy", 10.0f, -10.0f, aitEnumFloat64, excasIoAsync, 1u);
pvInfo exServer::bloaty (-1.0, "bloaty", 10.0f, -10.0f, aitEnumFloat64, excasIoSync, 100000u);
pvInfo exServer::boot (-1.0, "boot", 10.0f, -10.0f, aitEnumEnum16, excasIoSync, 1u);
pvInfo exServer::booty (-1.0, "booty", 10.0f, -10.0f, aitEnumEnum16, excasIoAsync, 1u);
//
// exServer::exServer()
@@ -93,6 +95,10 @@ exServer::exServer ( const char * const pvPrefix,
this->installAliasName ( billy, pvAlias );
sprintf ( pvAlias, pNameFmtStr, pvPrefix, bloaty.getName() );
this->installAliasName ( bloaty, pvAlias );
sprintf ( pvAlias, pNameFmtStr, pvPrefix, boot.getName() );
this->installAliasName ( boot, pvAlias );
sprintf ( pvAlias, pNameFmtStr, pvPrefix, booty.getName() );
this->installAliasName ( booty, pvAlias );
}
//
@@ -132,41 +138,41 @@ void exServer::installAliasName(pvInfo &info, const char *pAliasName)
delete pEntry;
}
}
fprintf(stderr,
fprintf ( stderr,
"Unable to enter PV=\"%s\" Alias=\"%s\" in PV name alias hash table\n",
info.getName(), pAliasName);
info.getName(), pAliasName );
}
//
// exServer::pvExistTest()
//
pvExistReturn exServer::pvExistTest // X aCC 361
(const casCtx& ctxIn, const char *pPVName)
( const casCtx& ctxIn, const char * pPVName )
{
//
// lifetime of id is shorter than lifetime of pName
//
stringId id(pPVName, stringId::refString);
stringId id ( pPVName, stringId::refString );
pvEntry *pPVE;
//
// Look in hash table for PV name (or PV alias name)
//
pPVE = this->stringResTbl.lookup(id);
if (!pPVE) {
pPVE = this->stringResTbl.lookup ( id );
if ( ! pPVE ) {
return pverDoesNotExistHere;
}
pvInfo &pvi = pPVE->getInfo();
pvInfo & pvi = pPVE->getInfo();
//
// Initiate async IO if this is an async PV
//
if (pvi.getIOType() == excasIoSync) {
if ( pvi.getIOType() == excasIoSync ) {
return pverExistsHere;
}
else {
if (this->simultAsychIOCount>=maxSimultAsyncIO) {
if ( this->simultAsychIOCount >= maxSimultAsyncIO ) {
return pverDoesNotExistHere;
}