[sane-devel] AXIS 1650 support for Pixma backend - work in progress
m. allan noah
kitno455 at gmail.com
Fri Mar 20 21:14:21 GMT 2020
I'm confused- are you proposing to add a new backend that lets pixma
scanners work over this AXIS machine, but not other scanners?
On Fri, Mar 20, 2020 at 2:58 PM Rolf Bensch <rolf at bensch-online.de> wrote:
> Hi Ondrej,
> Many thanks for your message.
> Am 20.03.20 um 18:44 schrieb Ondrej Zary:
> I have a Canon MF5730 MFP with external AXIS 1650 print server:
> 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:
> 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.
"well, I stand up next to a mountain- and I chop it down with the edge
of my hand"
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