This function block of the ⇘ CAA_NetBaseServices.library activates a Peer by setting xEnable to TRUE. As long as xActive is TRUE the handle of the connection hPeer is valid. Is xActive FALSE the handle is invalid. The handle hPeer can be used as input hPeer at function blocks ⇘ NBS.UDP_Send, ⇘ NBS.UDP_SendBuffer, ⇘ NBS.UDP_Receive and ⇘ NBS.UDP_ReceiveBuffer. ipAddr and uiPort indicate the ip and port to establish the connection.
Input:
|
xEnable |
BOOL |
see: ⇘ “CAA 指南” |
|
ipAddr |
NBS.IP_ADDR |
The ip address to establish a connection |
|
uiPort |
UINT |
The port to establish a connection |
|
ipMultiCast |
IP_ADDR |
Multicast address. '255.255.255.255' => INADDR_NONE |
Output:
|
xDone |
BOOL |
see: ⇘ “CAA 指南” |
|
xBusy |
BOOL |
see: ⇘ “CAA 指南” |
|
xError |
BOOL |
see: ⇘ “CAA 指南” |
|
eError |
NBS.ERROR |
Error id |
|
xActive |
BOOL |
TRUE: Handle valid FALSE: Handle invalid |
|
hPeer |
CAA.HANDLE |
Handle of Peer |