Hiya, > a) The scanner reports level "B8". For "B8", allowed brightness levels are in > the -4..3 range. However, my scanner returns -EINVAL for -4. To avoid that, > I guess I need to check the model name and adapt the range accordingly?
Fixed with !529. > > b) It seems to me that set_focus is not working for this model because > e2_set_extended_scanning_parameters() says "/* XXX focus */" and no byte in > the buffer is filled with the focus value. Probably the location is > unknown? > And I'd need to snoop Windows USB traffic to (hopefully) figure it out? Fixed with !530. > > c) 'focus' has only two options. 0mm and 2.5mm. The hex values are 0x19 apart. > That being dec 25, it is tempting to try inbetween values. But I assume I'd > need some evidence that those values are "officially OK" somehow? This and also autofocus added with !531. If someone has comments, I am honestly looking forward to hear them. I am still new to the project. The only question left for me now: Should focus/autofocus settings really have CAP_ADVANCED? Happy hacking, Wolfram
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