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Re: I need to see the lowest level signal coming from my keyboard

On Fri, Mar 16, 2007 at 11:49:06AM -0400, Richard Bronosky wrote:
> I have a keyboard that does not seem to deliver Ctrl+Alt+RightArrow.
> It does deliver Ctrl+Alt+LeftArrow.  I have inspected with "xev" and
> found that each of the key up and key downs are detected for the first
> key combination, but the RightArrow up and down actions show no event
> when both the Ctrl and Alt keys are down.  (events are shown when only
> one of the modifier keys are used.)
> I need to start with the lowest level of trouble shooting.   I don't
> care about pretty scan codes.  I want to see nasty binary gook come
> off the bus for every key I press.  This way I can see if the keyboard
> is the problem.
> Is there a way that I can get a stream of the data on which the driver
> is making its decisions?  I have to rule out the driver as an point of
> failure.

cat /dev/input/event0

is mostly likely it. there are other "event" devices, but 0 is
probably it. have fun. 


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