Re: [pyusb-users] timeout exception

[wander.lairson <wan...@gm...>]

Hi Begoña,

This may indicate something in device spec that, by mere coincidence,
does not affect one device but affect others.
Check if endpoint numbers are the same (maybe you have two out
endpoints), device configuration and so on...

2010/11/2 Begoña Fuentes <beg...@gm...>:
> Hi,
> I have successfully utilized pyusb to interconnect my pc with an USB device.
> Now I am trying to use the same code to connect other device which has
> exactly the the same USB communications specifications (it just the same but
> an advanced model), but I always get timeout exception: "usb.core.USBError:
> Operation timed out".
> I can not guess where is the problem, since the code finds without any
> problem the device and the two endpoints (out and in), but whenever I type
> ep_out.write(command) I always get that exception.
> Any idea what could be happening here?
> Thank you very much in advance.
> --
> Begoña Fuentes
>
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-- 
Best Regards,
Wander Lairson Costa