Nick Rout wrote:
> On Tue, Oct 5, 2010 at 3:24 PM, Ross Drummond <[email protected]> wrote:
>> On Tuesday 05 October 2010, Nick Rout wrote:
>>> How do you tell which is connected to where?
>> lsusb -t
>>
>> >From the man page;
>>
>> -t Tells lsusb to dump the physical USB device hierarchy as a tree.
>>
>> Cheers Ross Drummond
> 
> n...@revo:~$ lsusb -t
> /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ohci_hcd/12p, 12M
>     |__ Port 1: Dev 4, If 0, Class='bInterfaceClass 0x0e not yet
> handled', Driver=uvcvideo, 12M
>     |__ Port 1: Dev 4, If 1, Class='bInterfaceClass 0x0e not yet
> handled', Driver=uvcvideo, 12M
>     |__ Port 1: Dev 4, If 2, Class=audio, Driver=snd-usb-audio, 12M
>     |__ Port 1: Dev 4, If 3, Class=audio, Driver=snd-usb-audio, 12M
>     |__ Port 2: Dev 2, If 0, Class=HID, Driver=usbhid, 1.5M
>     |__ Port 2: Dev 2, If 1, Class=HID, Driver=usbhid, 1.5M
>     |__ Port 3: Dev 3, If 0, Class='bInterfaceClass 0xe0 not yet
> handled', Driver=btusb, 12M
>     |__ Port 3: Dev 3, If 1, Class='bInterfaceClass 0xe0 not yet
> handled', Driver=btusb, 12M
> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/12p, 480M
> 
> Looks like it's connected to the 1.1 interface. Still begs the
> question of how to identify the 2.0 interface.
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lsusb -v | less will give screeds of info. Look for the lines eg
Bus 001 Device 001:.

4 lines below this will give the info
bcdUSB               1.10 (or 2.00)
  and further down maybe the item connected to that port.

hth

Barry

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