On 4 March 2013 18:36, andy pugh <[email protected]> wrote:

> Tunnelling up from the HAL layer to a gui-visible keypress sounds challenging.

Actually, it now doesn't.

It looks like it would be fairly easy to write a module that converts
signals in the HAL layer into keyevents, using input.h as described
here:
https://www.kernel.org/doc/Documentation/input/input-programming.txt
and here:http://www.linux.it/~rubini/docs/input/input.html

What would then be needed would be a mapping file between the matrix
keyboard scancodes and the predefined key events here:
http://lxr.free-electrons.com/source/include/uapi/linux/input.h

Before I start experimenting, does anyone think that this is a bad idea?

What it would basically offer is a conventional keyboard device
connected via GPIO/HAL rather than USB.

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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