[cups-devel] Adding IPP-over-USB Support to CUPS

[Till Kamppeter]

David,

if you want to contribute, please have a look at the still needed 
changes on Avahi:

https://github.com/lathiat/avahi/issues/125

(see also readme.md file displayed on 
https://github.com/OpenPrinting/ippusbxd)

With this done IPP-over-USB printers simply appear as network printers 
on localhost:60000 and are then simply automatically seen by CUPS and 
cups-browsed without any changes on CUPS/cups-browsed needed.

    Till


On 10/16/2017 01:15 AM, Michael Sweet wrote:
> David,
> 
> There is already an open source ippusbxd program that provides IPP-USB support on platforms that support libusb. macOS has an equivalent ippusbd based on IOKit.
> 
> The problem with an ippusb backend is that it doesn’t allow the web interface to be used on the printer, nor does it allow things like scanning to work...
> 
> Sent from my iPad
> 
>> On Oct 13, 2017, at 6:47 PM, David Valleau <valleau at chromium.org> wrote:
>>
>> Hello,
>>
>> I am looking into adding IPP-over-USB support directly into CUPS.
>>
>> This would likely involve implementing a new backend (ie ippusb) as well as
>> adding support for it into the lpadmin tool.
>>
>> Is this something that would be desirable?
>>
>> Thanks,
>> David
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