Re: Keyboard simulation

Pavel Machek (pavel@suse.cz)
Thu, 1 Mar 2001 12:41:59 +0000


Hi!

> I'm writting a driver so that my soft braille display can work with the
> BRLTTY daemon.
> My braille computer contains a braille display, and a braille keyboard
> which I can use to enter characters that are transmitted to the computer.
> When my driver gets "normla" chars, he writes them to /dev/console. So for
> applications, it looks as if they came from the normal keyboard.
> Now, I'd like to be able to change the current virtual console and to view
> previously displayed screens (equivalent to shift+page up) just by pressing
> keys on the braille keyboard.
> So my question is: What should my driver do when it detects that the
> "change tty" key or the "scroll key" was pressed on the braille keyboard?
> Should the driver change the current tty itself (scroll the screen), or is
> it possible to call the kernel exactly like the normal keyboard driver
> would do (transmit keycodes), saying "alt + function key was pressed", or
> "shift + page up/down was pressed".

Transmit keycodes is AFAIK not implemented in official drivers.

Take a look at vojtech's new input suite.
Pavel

-- 
Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.

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