[sane-devel] Polling HP Scanjet 7400c buttons?

m. allan noah anoah at pfeiffer.edu
Tue Aug 8 17:55:29 UTC 2006

not an 'API' exactly, but more of a 'convention'. there are a couple of 
button daemons floating around (one is in the experimental cvs tree) which 
attempt to read the value of certain named options provided by the 

so, you would have to make sure your scanner's backend exposes the 
buttons, and then you would have to (likely) make some mods to a buttond 
to do something when a button is pressed.

write to the LCD? can the windows software do that?


On Tue, 8 Aug 2006, Nick Papadonis wrote:

> Hi Folks,
> Is there an API to access button status?  Specifically, Email, Fax,
> Copy, OCR buttons?  Additionally, is there an interface to modify the
> LCD string?
> Thanks,
> Nick

"so don't tell us it can't be done, putting down what you don't know.
money isn't our god, integrity will free our souls" - Max Cavalera

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