[Desktop_architects] raw notes from drivers 12/01/2005 meeting

[Till Kamppeter]

Michael Sweet wrote:
>> o USB vendor and product ID is bad because epson is always the same
>> answer
>> o have to use the IEEE 1284 device ID string can get from the printer
>> with an I/O ctl
> 
> 
> CUPS already does this, but note that not all vendors provide a
> serial number so connecting more than one device of the same model
> is often problematic.
> 

But I have one question here: If I enumerate the PPD files available in 
/usr/share/cups/model (either by "lpinfo -m (-l)" or appropriate CUPS 
API function) no information to match against the IEEE-1284 ID is shown. 
Many PPDs have a "*1284DeviceID:" entry. If these get also indexed into 
/etc/cups/ppds.dat and listed by "lpinfo -m" (or at least by "lpinfo -m 
--ieee1284" to leave "lpinfo -m" backwards compatible) then one would 
get a very reliable matching of PPDs to detected printers.

    Till