nanogui: Thread: How do we select events for the HW buttons/keys on the Helio and other PDAs?

Hi,

How do we select events for the HW buttons/keys on the Helio and other
PDAs?

-rh

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Visit the MotifZone (www.motifzone.org) for info on Motif!

You will need to write a microwindows keyboard driver to grab the
keystrokes from your linux driver (see drivers/kbd_tty.c for an great
example).  However, the whole keyboard architecture has been completely
rewritten lately by Greg, so you should probably hang on a for a while
until we release the next version of Microwindows, otherwise you will
end up rewriting your whole driver again.

Happy hacking,
Jordan

Robert Hartley wrote:
> 
> Hi,
> 
> How do we select events for the HW buttons/keys on the Helio and other
> PDAs?
> 
> -rh
> 
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> =  Robert Hartley                 Mail:         201 Broadway        =
> =  Central Region Systems Engineer              Cambridge, MA 02139 =
> =  Integrated Computer            Email:        ####@####.####    =
> =  Solutions, Inc.                Web Site:     www.ics.com         =
> =  Tech Support: ####@####.####  Phone:        800-800-4271        =
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> 
> Visit the MotifZone (www.motifzone.org) for info on Motif!
> 
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: How do we select events for the HW buttons/keys on the Helio and other
: PDAs?

In version 0.89pre7, which I'm about ready to release in the next
few days, there's a whole set of MWKEY_ values that the
keyboard driver, specially written for each PDA, can return.
Then, you just use the normal keyboard select mechanism,
using GR_EVENT_TYPE_KEY_UP|DOWN, and 
you'll get a keystroke every time a button is pressed or
released.

Century Software is writing an iPAQ and YOPY keyboard driver,
with more coming shortly.  You might want to hack a Helio
driver, basically, it opens up the /dev/xxx device and when input
is ready, the main Microwindows select() loop calls the driver, which
reads the hardware-dependent bytes and converts them to MWKEY_*
values that are then sent up the system...

Regards,

Greg