Hi Wolfram, Wolfram Sang writes:
> Hi Olaf, > >> Actually, I've found a reference in my dead tree specs that all other >> values with the one byte limit are supported. 0x00 through 0x39 are >> below the glass plate, 0x41 through 0xfe are above. Units unknown but >> based on your observation of 0x59 being 25 steps away from 0x40 and it >> corresponding to 2.5mm, I'd hazard a guess its 0.1mm assuming a linear >> ramp. > > That is my assumption as well. But please note that the 0x59 value comes > from Alessandro Zummo and was already existing in the epson2 driver. I think you mean the epson backend. The 0x40 and 0x59 values trace back to commit 64e36892a1, made on 2001-11-10. > I did not verify it yet because I was only scannning on glass. We > might need a custom value later in case we build some frame, too, to > avoid glass on glass contact. We will see. Looking forward to your findings, -- Olaf Meeuwissen, LPIC-2 FSF Associate Member since 2004-01-27 GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13 F43E B8A4 A88A F84A 2DD9 Support Free Software https://my.fsf.org/donate Join the Free Software Foundation https://my.fsf.org/join
