I have tried that. I know I have to set up the configuration. Accidentally I
didn't include it in my code here on the forum.

Any other ideas ?

On Wed, Mar 31, 2010 at 12:57 PM, Wander Lairson
<wander.lair...@gmail.com>wrote:

> Hi Ivo,
>
> Try handle.setConfiguration(1) after handle.detachKernelDriver
>
> Wander
>
> 2010/3/30 Ivan Dodig <madi...@gmail.com>:
> > Hi again.
> > I'm having trouble communicate with my device. Device has a HID firmware
> > loaded and USB communication works if I use a program supplied with the
> > firmware.
> > Of course I want to write my own Python program.
> >
> > After the interruptWrite function I get this error
> > Traceback (most recent call last):
> >   File "<pyshell#48>", line 1, in <module>
> >     handle.interruptWrite(1, [1])
> > USBError: usb_submit_async: submitting request failed, win error: The
> > parameter is incorrect.
> >
> > Google didn't help.
> >
> > What's wrong? What causes this error? I'm totally stuck. Here is my code.
> > Thank you.
> >
> > import usb
> > bus=usb.busses()[0]
> > devices=bus.devices
> > for device in devices:
> >     if device.idVendor == 0x04CC:
> >         PowerModule = device
> > config=PowerModule.configurations[0]
> > handle=PowerModule.open()
> > handle.detachKernelDriver(0)
> > handle.interruptWrite(1, [1])           << Here I get the error
> >
> >
> >
> >
> >
> >
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>
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------------------------------------------------------------------------------
Download Intel&#174; Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
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