usb problems

[NoOp]

On 10/11/2014 05:28 PM, Gene Heskett wrote:
> Hello all;
> 
> I am in need of a tool that will effectively do a ping against a specified 
> USB port, a port I know there is something on the other end of the cable 
> and hub as I just had a printer do a test page over the same cabling. 
> Basically I want to send a $55 down the cable once a second to a specified 
> port, in thgius case /dev/ttyUSB1, for oscilloscope troubleshooting, at 
> least as long as trouble doesn't shoot back... ;-)
> 
> Do we have such a beast?
> 
> I have a copy of Randy Dunlap's usbtree, a perl module, but with kernel 
> 3.16.0, its returning null + linefeed only. I have not used this utility 
> in probably 2 years. So with a newer kernel, it may not work.  But it is 
> not complaining either.  "Puzzling" seems to fit.
> 
> 
> Thanks for any clues, urls etc.
> 
> Cheers, Gene Heskett
> 

You could possibly modify/tailor '/usr/bin/usb-devices' to suit your needs.
<http://manpages.ubuntu.com/manpages/oneiric/man1/usb-devices.1.html>