Re: USB device just moves

phil-news-nospam@xxxxxxxx wrote:

On Thu, 14 Feb 2008 05:22:55 GMT Tim Roberts <timr@xxxxxxxxx> wrote:
|
| There's nothing wrong with the design of USB. As long as the device has a
| serial number, the combination of VID, PID, and serial number is unique,
| and Windows (at least) will recognize it as the same device no matter what
| port of which hub it is plugged into.

So are you saying the Linux USB driver design is all wrong?

From your description, it sounds to me like it's the major/minor number
scheme that is the root of your trouble.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
.

Relevant Pages

  • Re: How windows differentiates multiple USB devices of same type?
    ... second is how the device itself with a unique identity, ie how to tell the difference between 2 devices which have the same vid / pid pair. ... multiple USB devices of same type. ... Eg USB stick from a vendor. ...
    (microsoft.public.development.device.drivers)
  • Re: Please suggest USB to RS232 adapter that works 100%
    ... I've purchased one already made by "Cypress Semiconductor" but it ... The VID is 04b4 and the PID is 5500. ... Can anyone suggest a USB to RS232 adapter that does its job perfectly ...
    (comp.arch.embedded)
  • Detect an USB key
    ... I am trying to detect my specific USB periphéral. ... it is mine (using the VID PID), and do something at this time. ... - I am able to know what is the volume name, and letter of all drives ...
    (microsoft.public.dotnet.framework)
  • Re: Please suggest USB to RS232 adapter that works 100%
    ... I've purchased one already made by "Cypress Semiconductor" but it ... The VID is 04b4 and the PID is 5500. ... Can anyone suggest a USB to RS232 adapter that does its job perfectly ...
    (comp.arch.embedded)
  • Re: If prices equal then choose always choose Vendor A
    ... I assumed your fields names were pid, price and vid. ... The join may use an operator that isn't supported in Design view, ...
    (microsoft.public.access.modulesdaovba)