I'm confused- are you proposing to add a new backend that lets pixma scanners work over this AXIS machine, but not other scanners?
allan On Fri, Mar 20, 2020 at 2:58 PM Rolf Bensch <[email protected]> wrote: > > Hi Ondrej, > > Many thanks for your message. > > Am 20.03.20 um 18:44 schrieb Ondrej Zary: > > Hello, > I have a Canon MF5730 MFP with external AXIS 1650 print server: > https://www.axis.com/techsup/prtsrv/axis_1650/index.htm > > I've reverse engineered the print data format and wrote CUPS driver couple of > years ago so printing works fine. > > Now it's time for scanning. Thanks to SANE and Pixma backend, scanning works > when connected directly using the USB port (except for the buttons). > > The scan mode of AXIS 1650 works as USB-over-TCP. > The Windows AXIS Scan Client discovers and identifies local scan-capable print > servers using a simple UDP-based WIMP protocol: > https://www.axis.com/techsup/prtsrv/axis_1650/technotes_1650.htm#2 > > Then it connects to the selected print server using TCP, locking it for the > current user, and creates a virtual USB device so the Canon driver could be > used to scan. > > I've based AXIS support for Pixma backend on the BJNP code. > What works: > - autodetection > - connect > - scan starts > What does not: > - data gets messed up somehow > - scan does not finish successfully > - set_timeout, interrupts not implemented > > > I just created a merge request here: > https://gitlab.com/sane-project/backends/-/merge_requests/361. > > Please check if your code still is working. I needed to fix some issues while > merging to recent master branch. > > Please follow the merge request and provide your fixes there. > > Hope this helps. > > Cheers, > Rolf > > > !361 > > > !361 -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand"
