[sane-devel] CanoScan 700F

Sebastian Reinhardt snr at lmv-hartmannsdorf.de
Wed May 25 20:28:46 UTC 2011

Am 28.03.2011 21:27, schrieb stef:
> Le Monday 28 March 2011 00:32:11 Sebastian Reinhardt, vous avez écrit :
>> Am 01.03.2011 06:59, schrieb stef:
>>> Le Wednesday 23 February 2011 22:17:09 Sebastian Reinhardt, vous avez
>>> écrit : .....
>>>>> 	Hello,
>>>>> 	thanks for these tests. Now I think that the 700F isn't just a clone
>>>>> 	of
>>>>> LiDE 100/200 and specific structures must be tuned. The first thing to
>>>>> do is to define specific GPIO description for this model and see how
>>>>> it fares.
>>>>> Regards,
>>>>> 	Stef
>>>> Ok, how can I help You to make it work?
>>> 	Hello,
>>> 	the steps involved in adapting the backend would be to record the USB
>>> activity for a scan done under windows. Then process this log to extract
>>> GPIO settings. A new GPIO define and a corresponding entry must be
>>> defined in genesys_device.c . Then in genesys_gl847.c the
>>> gl847_init_gpio function may be have to be adapted.
>>> 	To my opinion, there isn't much code to write but many tests to run in
>>> order to check that the cnages are working like expected. So this task
>>> would be better done by someone owning a 700F like you.
>>> Regards,
>>> 	Stef
>> Sorry, it took a while, but I have done it: I made log during scanning
>> with winstone (some programms had some problems with xp). I have
>> uploaded the log file of an 75dpi scan to this location:
>> http://snr-solutions.de/UsbSnoop.log
>> This file was generated by "SniffUSB-x86-2.0.0006".
>> I hope this can help......
>> So Stef, if there is a new version of sane-backend, then I will test it
>> again.
> 	Hello,
> 	one way to try to make support progress would be to run the decoding
> scripts I posted earlier on these logs, then compare how registers related to
> GPIO are set and compare to a test run of the current backend implementation.
> Then change code to handle the differences.
> 	Personnaly I haven't yet enough time to help for this model. Maybe at the
> end of April.
> Regards,
> 	Stef
Hi Stef,
any news about this driver?

Kind reggards

Sebastian Reinhardt

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