Hi, On Tue, May 17, 2022 at 5:28 AM Klaus Kämpf <[email protected]> wrote:
> On 17.05.22 11:56, Klaus Kämpf wrote: > > > > Well, somehow your model doesn't like the "Write Gain Offset" call. > > I need to check the sources and my notes what to do here. > > Ralph, > > your only current option is to comment-out the respective call at > > https://gitlab.com/sane-project/backends/-/blob/master/backend/pieusb.c#L1038 > (until line 1047) and recompile. > Will do! > > In case you are able to capture USB traffic in Windows, it would be > interesting to see what the 'official' driver does here. Maybe it's the > call itself, maybe it's just wrong parameters. > The main issue was finding a driver that worked. I will try the official driver again with with an old Windows XP that I have. Perhaps running in a VM is causing some issue. The device I have didn't come with its official driver disk unfortunately. The SCSI Enquiry info has some strange entries in it. Perhaps I will post the diag output for that. Since it is identifying itself as an 1800u I did worry that it had a custom firmware or that someone had bricked it by loading incorrect firmware for a different device. Cheers, Ralph
