UDP_Peer (FB)ΒΆ

FUNCTION_BLOCK PUBLIC FINAL UDP_Peer EXTENDS LConC IMPLEMENTS IPeer, IOptionConsumer

This function block activates a Peer by setting xEnable to TRUE.
A peer encapsulates all the necessary things for sending and receiving data over the UDP protocol. The output itfPeer can be contected with UDP_Receive, UDP_Receiver, UDP_Send and UDP_Sender.
The Send and Receive methods can also be used as an alternative to the related traditional function blocks.

Sending or receiving multicast telegrams is only possible if the input itfMulticast has been assigned accordingly with an IPAddressSet or IPv4Address.

InOut:

Scope

Name

Type

Comment

Inherited from

Input

xEnable

BOOL

TRUE: Activates the defined operation FALSE: Aborts/resets the defined operation

LConC

Output

xBusy

BOOL

TRUE: Operation is running

LConC

xError

BOOL

TRUE: Error condition reached

LConC

eErrorID

ERROR

LConC

Input

itfAsyncProperty

IAsyncProperty

itfIPAddress

IIPAddress

IP Address of the specific Adpater for Receiving/Sending (The related Networkmask and Broadcast adresses for receiving will be calculated)

uiPort

UINT

Receive Port

itfMulticast

IIPAddressSet

One or more Multicast Groups (optional)

Output

xActive

BOOL

TRUE if the peer context is established

itfPeer

IPeer
The established context of this peer
Valid, as long xActive = TRUE

Methods:

Structure: