Hello,
I am using PyUSB 2.6 in OSX 10.5.4 (installed using Fink) to use a weather
station software (http://www.jim-easterbrook.me.uk/weather/ )

When I run "python TestWeatherStation.py" without the weather station
connected, it correctly says that it does not find the weather station.

When I run it again with the weather station connected, it says the
following error:
usb.USBError: usb_claim_interface: couldn't claim interface

I am using the last version PyUSB 2.6, installed using Fink.
Do you know what could be the problem?
The author of the Weather station software told me:
>if there is a way of examining what USB devices are active you might be
>able to see if another driver is claiming the weather station. I know
>that on Windows I had to disable the operating system driver for it
>(which stopped the station's own software using it) before being able to
>talk to it with PyUSB.

do you know how to do this?



Many thanks,
DAvid
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