[sane-devel] LIDE 60. configure scanning prefs?

[Ben Green]

Allan, Thanks very much - Following is a lot of "How to" questions?
I can't try any of this now as I have to go to work - but I'll try these suggestions later tonight - 

Just to clarify (here's my programming prowess coming to the fore!) - 

This is all done in terminal (not sane prefs?) --

How do I open this file : backend/genesys_devices.c ?
once i see this file - it might make it all more clear for me..

How do I set GENESYS_FLAG_NO_CALIBRATION? 
How do I remove existing flags?
and how do I rebuild the backend?

once this is done, I can scan again from the TWAIN-SANE interface (without calibration)? as this code will affect the actual backend coding is that correct?

ALso - if i screw it all up, can i re-insall and start again?


Thanks a million for your help -- I'm never sure if these things work, but there's only one way to find out ..


Cheers


Ben

On 11 Feb 2011, at 20:46, m. allan noah wrote:

> I did a bit of digging in the source, and it appears that you could
> set GENESYS_FLAG_NO_CALIBRATION in the Lide60 entry in
> backend/genesys_devices.c (along with removing the existing
> calibration flags), and rebuild sane-backends. That should bypass the
> calibration code.
> 
> allan
> 
> On Fri, Feb 11, 2011 at 3:34 PM, m. allan noah <kitno455 at gmail.com> wrote:
>> On Fri, Feb 11, 2011 at 3:18 PM, Ben Green <greenb1 at mac.com> wrote:
>>> Fair enough Allan, it's not much use just putting out vague questions really
>> 
>> <snip>
>> 
>>> i'm sure its still possible, i just need to find the way!!
>> 
>> You have no clue how to use the command line or write code, yet you
>> are sure this scanner is suitable :)
>> 
>> Many scanners do the calibration automatically, and will choke when
>> you gut them like this. Fortunately, the Genesys chips require the
>> software to initialize the calibration, so it should be possible to
>> bypass that. Unfortunately, the data will look bad. You really need to
>> do a scan with the assembled scanner, and cache the calibration
>> values, like genesys backend does for ADF machines. Then you could
>> re-use that calibration data.
>> 
>> You might have to hack some code to make these things happen.
>> 
>> allan
>> --
>> "The truth is an offense, but not a sin"
>> 
> 
> 
> 
> -- 
> "The truth is an offense, but not a sin"