I have gotten the LED to blink using script files in angstrom 2.6.28
from another post...
I modified Brian's code from that website to turn on the led for the
angstrom 2.6.28 image that I have so I will just put this here to
...anything between <> is what you should type do not type <>
choose a file folder
type <vi Blink_USR0>
then in vi enter in the following code...