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Yes serial_node is running. Not sure why the publisher isn't showing up though. The publisher isn't that important, it's just echoing back the status of the request. What I'm trying to do is have the user be able to select a Wifi network and manually adjust TCPIP settings on the computer through an Arduino touch screen interface. I just wanted to make sure I could pass basic information before I actually do anything with it.

$ ls -l /dev/ttyAC*
crw-rw---- 1 root dialout 166, 0 2012-07-13 00:34 /dev/ttyACM0
chris@chris-VirtualBox:/opt/ros/electric/stacks/rosserial/rosserial_python/nodes$ rosrun rosserial_python /dev/ttyACM0
[INFO] [WallTime: 1342164886.822488] ROS Serial Python Node
[INFO] [WallTime: 1342164886.825278] Connected on /dev/ttyACM0 at 57600 baud
[INFO] [WallTime: 1342164888.953740] Note: publish buffer size is 512 bytes
[INFO] [WallTime: 1342164888.974499] Starting service client, waiting for service 'tcpip_srv'


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