Something which has come up twice recently in discussions I have been
having is the integration of an input device with HAL _and_ text
entry.

For example the Mesa 7i73 supports a matrix keyboard. The key-presses
appear in HAL as bit signals.

CNC machines frequently have a multi-function keypad for jogging, axis
selection _and_ G-code entry. I don't see any way to support the
G-code entry into MDI using a 7i73 or an Arduino interface.

Am I missing something, or is this actually properly difficult?

Is there scope for a HAL-to-keysccan userspace cmponent, is this even possible?

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

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