[sane-devel] Contract driver development....

jameslittlefield jal@alum.mit.edu
Fri, 04 Mar 2005 12:46:09 -0500


sane-devel-request@lists.alioth.debian.org wrote:

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>Today's Topics:
>
>   1. Re: Installingproblem with parallellportscanner (Eddy De Greef)
>   2. Contract Sane Development (Jay Jennings)
>
>--__--__--
>
>Message: 1
>Date: Thu, 3 Mar 2005 22:03:09 +0100
>From: Eddy De Greef <degreef@imec.be>
>To: sane-devel@lists.alioth.debian.org
>Subject: Re: [sane-devel] Installingproblem with parallellportscanner
>
>On 03-03-05 21:19:01 Philip Moller wrote:
>  
>
>>Ok, here is the output :
>>
>>[root] # SANE_DEBUG_SANEI_PA4S2=128 scanimage -L
>>[sanei_debug] Setting debug level of sanei_pa4s2 to 128.
>>[sanei_pa4s2] sanei_pa4s2_devices: interface called for the first  
>>time
>>[sanei_pa4s2] sanei_pa4s2_devices: invoked
>>[sanei_pa4s2] pa4s2_init: static int first_time = 1
>>[sanei_pa4s2] pa4s2_init: called for the first time
>>[sanei_pa4s2] pa4s2_init: initializing libieee1284
>>...
>>[sanei_pa4s2] sanei_pa4s2_readbyte: not my fault, if your PC burns  
>>down.
>>[sanei_pa4s2] sanei_pa4s2_readbyte: read in EPP mode
>>Here it freezes, nothing happens ......
>>    
>>
>
>This is due to a bug in the linux kernel: if you set the port
>to ECP mode in the BIOS, the kernel still thinks it supports EPP
>mode. The driver tries to use that mode and then everything gets
>stuck. If you put the port in EPP mode in the BIOS, your problem
>will probably be solved (ECP+EPP mode may work too, but I've
>had reports of cases where that didn't work either).
>
>See also http://home.tiscali.be/EddyDeGreef/Sane/index.html,
>the Reported Problems section.
>
>Best regards,
>
>Eddy
>
>
>--__--__--
>
>Message: 2
>Reply-To: "Jay Jennings" <jay@equineform.com>
>From: "Jay Jennings" <jay@equineform.com>
>To: <sane-devel@lists.alioth.debian.org>
>Date: Thu, 3 Mar 2005 13:52:12 -0800
>Subject: [sane-devel] Contract Sane Development
>
>Is anyone on this list willing to do contract work for a dirver on an older
>Mustek 1200 EP III scanner?  I can supply the device.
>
>
>
>
>
>--__--__--
>
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>End of sane-devel Digest
>
>
>  
>
I might be interested.    I have developed a driver for my ancient 
Chinon DS3000 which is now working great on my RH9 box.
Perhaps you could give some more detail on host computer platforms you 
want to target and the feature set which you want supported by the 
scanner/driver combination.    Also do you have technical specifications 
for the scanner and its interface.

You probably already appreciate that the cost of development is likely 
to be many times the cost of a new/different scanner?!

Jim