BACnetGetObjectIdNameBindingsCacheOptions (FUN)

FUNCTION BACnetGetObjectIdNameBindingsCacheOptions : IEC_BACNET_STATUS

Configures timing an retry parameters for the ‘dynamic’ object binding procedure.

This function reads the timing and retry parameters for the ‘dynamic’ object binding procedure as defined in the BACnet standard.

Return: IEC_BACNET_STATUS

InOut:

Scope

Name

Type

Comment

Return

BACnetGetObjectIdNameBindingsCacheOptions

IEC_BACNET_STATUS

Input

pRefreshIhaveCache

POINTER TO IEC_BACNET_UNSIGNED

Specifies the refresh time in seconds after all listed dynamic bindings get refreshed. After expiration of the refresh interval all bindings are requested using Who-Has requests again.

pWhoHasInterval

POINTER TO IEC_BACNET_UNSIGNED

Specifies the interval in which periodically Who-Has requests are sent as long as they have not been answered and thus it is also the timeout in which an answer is expected.

pWhoHasRetries

POINTER TO IEC_BACNET_UNSIGNED

Specifies the number of retries made before dynamic resolution will stop until next refresh interval has expired.

pWhoHasMaxPending

POINTER TO IEC_BACNET_UNSIGNED

Specifies the maximum number of requests with outstanding replies which might be sent out into the network.

pbPrefillCache

POINTER TO IEC_BACNET_BOOLEAN

If set to True all received I-Have requests from the network are collected even if no dynamic object identifier resolution is requested for that object name.

pbAllowUnicastIhaves

POINTER TO IEC_BACNET_BOOLEAN

If set to True all received Who-Has requests are answered with unicast I have’s sent to the source address over which they have been received.

pbAllowBroadcastIhaves

POINTER TO IEC_BACNET_BOOLEAN

If set to True all received Who-Has requests are answered with broadcast I have’s.

pbUseGlobalBcastWhoHas

POINTER TO IEC_BACNET_BOOLEAN

If set to True all sent WhoHas gequests will use the global broadcast address to pass over BACnet routers instead of local broadcast addresses which are not routed.