[sane-devel] Epson Perfection 2400 Photo scanner problems

Karl Heinz Kremer khk@khk.net
Wed, 26 May 2004 20:56:57 -0400


You may want to ask this question in the libusb-devel mailing list 
(libusb-devel@lists.sourceforge.net)

On May 26, 2004, at 4:02 PM, <brook@biology.nmsu.edu> wrote:

> Olaf Meeuwissen writes:
>>> From your debugging output it looks like there is nothing wrong with
>> your USB setup but I'm not very familiar with BSD.  The logs show one
>> error message though that I find particularly "alarming".
>>
>> Er, not implemented on BSD?  That could be a problem.  From a quick
>> look at sanei_usb.c, it seems that your libusb implementation is at
>> fault.
>
> The comments in bsd.c (part of libusb) indicate that the author "had
> not needed usb_clear_halt() yet."  I am not sure what that means.  The
> same note is given for usb_reset() and usb_resetep().  What should
> these functions be doing?  Does anyone have a suggested implementation
> for BSD systems or is doing nothing really ok?