I just purchased a Canon Lide 100 scanner and was curious how the drivers were coming along for it. Just touching base ;).
stef-22 wrote: > > Le samedi 3 octobre 2009 09:52:29 Matt Hirsch, vous avez ?crit : >> I thought I'd update the list on my progress on the lide 100, in case >> anyone has any suggestions or comments that might be helpful. >> >> The gl847 (chip in the lide 100) has a somewhat different protocol than >> the 841, specifically it uses single urb register reads (two urbs are >> usually required in the 841 protocol) and it handles bulk reads/writes a >> little differently. I've modified Pierre's script to parse the UsbSnoop >> output for the lide 100. >> >> Modified script: >> http://web.media.mit.edu/~mhirsch/lide100/usbsnoop-gl847.pl Original: >> http://pirsoft-dsl-dropzone.de/ >> Raw UsbSnoop output for a small scan: >> http://web.media.mit.edu/~mhirsch/lide100/UsbSnoop-3-scan.log.bz2 >> parsed output: >> http://web.media.mit.edu/~mhirsch/lide100/gl847-3-scan.out.bz2 >> >> There is no datasheet available for the gl847, but based on the usbsnoop >> log of the communication with the scanner it appears closest to the >> gl846, which is documented here: http://www.datasheetdir.com/GL846+USB >> >> A driver for this chip seems like it would entail adding a >> backend/genesys_gl847.c and minor modifications to backend/genesys.c >> backend/genesys_low.h backend/genesys_devices.c (new CCD, GPO, and >> probably AFE and motor). Does this sound reasonable? I'm not familiar >> with SANE development at all. >> >> Thanks very much to Allan for pointers in the right direction. >> >> Matt >> > > Hello, > > adding a backend/genesys_gl847.c file to handle this new asic seems also > the > best choice to me. I'd also personally be inclined to add a genesys_low.c > that > would contain low level access to the chips instead of having them in > genesys.c . This way genesys.c would only contain high level functions > close > the API level, while other files would be closer to the hardware. > > When do you think you'll have some patch ready to send for > testing/review > ? > > Regards, > Stef > > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-request at lists.alioth.debian.org > > -- View this message in context: http://old.nabble.com/Canoscan-lide100-progress-tp25726491p26805704.html Sent from the SANE - Dev mailing list archive at Nabble.com.