[Nut-upsuser] distinguishing identical multiple usbhid-ups devices

Dan Mahoney, System Admin danm at prime.gushi.org
Tue Mar 18 18:57:33 UTC 2008


On Tue, 18 Mar 2008, Arjen de Korte wrote:

This may be an "outside the box" solution, but perhaps, get a cheap ($10) 
usb add-in PCI card?

-Dan


> Charles Lepple wrote:
>
>>>  usbhid-ups is capable to distinguish devices from the Bus
>>>  they are connected to, but as all are at the same hub the bus
>>>  is the same. I'd like if usbhid-ups could distinguish them from
>>>  the hubbed port they are plugged in.
>> I forget how the bus numbering goes, but what if you added in another
>> hub between certain devices?
>
> That won't help. All USB devices that are connected to the same root
> device, will be enumerated on the same bus. No matter how many hubs you
> add. :-(
>
>> You still are not guaranteed that they will be enumerated in the same
>> order every time, but at least the device closest to the motherboard
>> stands a chance of being enumerated first.
>
> And it also wouldn't help if one device is detached (this sometimes
> happens for no apparent reason) and is enumerated again.
>
> Best regards, Arjen
>
> _______________________________________________
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>

--

"It's buttery kettle ASS corn!"

-Dan Mahoney, Ezzi Computers,
10/22/03, 2AM

--------Dan Mahoney--------
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