(I accidentally replied only to you before, so here it is again to the list).
On 18-09-06 07:31, m. allan noah wrote: > I did previously spend some time trying to determine the calibration > algorithm of these P-2xx scanners, but did not have much success. I > suppose what is needed is to take some scans with the windows driver, > and reverse engineer the formula the driver is using to derive the > calibration data it sends into the scanner. Once that is known, we can > try to do something similar in the canon_dr backend. > > allan Did you have any results that may help me? Do you know if the calibration happens in the driver or the software (CaptureOnTouch)? I see that there is some calibration code in the backend already, but I don't really understand it (calibrate_AFE and calibrate_fine). Do you have any tips for understanding the current `canon_dr.c` file? I tried finding the implementation of the USB protocol the scanners use in there, but I failed. -- sane-devel mailing list: [email protected] https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/sane-devel Unsubscribe: Send mail with subject "unsubscribe your_password" to [email protected]
