[Wlug] Seeking help with a USB barcode scanner

Keith Wright kwright at keithdiane.us
Sat Mar 31 23:45:32 EDT 2007


> From: Jamie Guinan <guinan at bluebutton.com>
> > 
> > I tried your "od -x" trick on each of these to no avail.  I
> > pointed the barcode scanner at some arbitrary barcodes, and it
> > beeped and turned off the red light, but nothing appeared on my
> > screen as a result of the "od -x".
> > 
> > Are there other possibilities to consider?
> 
> At this point I'd start putting printk's and turning on DEBUGs in
> the kernel source.  For starters,

If you get to the point of modifying the kernel source,
can you be far from wanting an oscilloscope on the pins?

   -- Keith


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