There is also lighttpd running, serving up a basic web page. This
lets me test that other computers are in fact connected to the
When I use "ifdown wlan0" then the connected computers are no longer
able to access the Overo's web page. This is good.
(1) the blue LED on the Overo remains illuminated (does this mean
wireless is still active?)
(2) when I use "sudo iwlist scan" on my Ubuntu desktop machine, the
"MyNet" ad hoc network still appears in the list.
I would like to learn how to enable and disable WiFi and
the Overo Air/Fire on the fly, while the system is running.
This is for a project, where due to regulations, one of WiFi
Bluetooth can be used, but not both at the same time. I want
the ability for the user to toggle which wireless capability
I tried "echo 0 > /sys/class/gpio/gpio16/value" and it
does indeed shut
off the WiFi module. However, sending a "1" does not seem to
it. The blue LED remains off, and after a few seconds
libertas begin appearing on the serial console. The WiFi
comes back up
on the next reboot.
What would be a good way to do this? It seems that the GPIO
relates to hardware only. I have a feeling that the Linux
to be dealt with as well, but I don't know where to start.