Re: [sane-devel] Q: improving epson2 for Epson 12000XL

2020-09-28 Thread Wolfram Sang
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

Re: [sane-devel] Q: improving epson2 for Epson 12000XL

2020-09-18 Thread Wolfram Sang
Some more news on 'focus'. > 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

[sane-devel] Q: improving epson2 for Epson 12000XL

2020-09-17 Thread Wolfram Sang
Hi all, thank you for SANE. We want to use it to scan a large collection of astronomical photoplates. SANE allows us to script things nicely. For that, I am currently working with an Epson 12000XL. And I have a few issues / questions regarding the epson2 driver: a) The scanner reports level