On Tue, 8 Aug 2006, Nick Papadonis wrote: > On Tue, 8 Aug 2006, Nick Papadonis wrote: >>> Is there an API to access button status? Specifically, Email, Fax, >>> Copy, OCR buttons? Additionally, is there an interface to modify the >>> LCD string? > On Tue, 2006-08-08 at 13:55 -0400, m. allan noah wrote: >> 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 >> backend. >> > > The interface/convention you mention is good, but too high a level. I > search the the HP backends and didn't see much in regards to button > polling. I did see mention of polling the "front" button, but not sure > what it is.
the 6300 only has a single button. > > I'm wondering if the buttons can be accessed via the SCL (HP Scanner > Control Language) interface. Does anyone know? Specs anyone? what makes you think the hp 7400 speaks SCL? its built by avision... > >> write to the LCD? can the windows software do that? > > Not sure, only Linux here. I figured it must because all my HP 7400c > ever displays is "Initializing" or "Ready" on the LCD. Even during scans. you know what happens when you assume :) if the backend does not change it from Initializing to Ready, then i expect its under the complete control of the scanner, but i could be wrong. allan -- "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
