CAN – Ethernet Gateway
28 © SYS TEC electronic GmbH 2007 L-1032e_9
4.2.3 UDP/TCP Client Interface
The UDP client interface makes a tunnel over UDP/IP/Ethernet
available in order to send or receive CAN messages. With the TCP
client interface the tunnel operates over TCP/IP/Ethernet. The
UDP/TCP client interface is instanceable, so that multiple, but not
more than 3 connections are possible simultaneously.
A UDP client interface is created with
mkif udp 0
using the interface number 0 or the next free number. It is used to
establish an active connection to another Gateway. The directory name
is selected automatically and is
/if/udp0 for the first interface.
A TCP client interface is created with the command
mkif tcp 0
Possible options:
<option> ::= {<addr> | <switch> | <alive> | <reco>}|<trig>
<addr> ::= to:<ipaddr>[:<port>]
setting the target IP address and the port of the UDP
server to be communicated with (default: IP address
192.168.10.111, port 8234) for an active connection
established by the Gateway
<switch> ::= {on | auto | off}
on starts active connection establishment
auto starts establishing a connection as soon as there are CAN
messages to be sent.
off stops the connection, any data that has not been
transferred will be discarded (default)
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