valerybriz reacted to
Rickta59 in Hardware UART not working in Linux
Other people running ubuntu 12.04 who have used the launchpad with it.
You also need to create a udev entry so that non-root users can access /dev/ttyACM0. Thinking about
it ... that is probably your problem. Sorry I didn't mention it earlier.
$ cat /etc/udev/rules.d/61-tilaunchpad.rules
# This file allows access to TI launchpad
# See udev(7) for syntax.
search 43oh.com for 'udev rules' for more info.