I just bought two used Panasonic notebooks with touchscreens a cf-17 and
a cf-27
and I really would like to get the touchscreen working with XFree86. I
can't
figure out what driver it should use and I started to consider writing
my own,
but when I saw all the drivers listed in the "input" directory I had
trouble believing
the output of this device didn't match any of them. The windows 9x
driver in from
a company called "Touch Base Ltd."
So my question: The output of the touchscreen on COM1 (ttyS1/9600/N81)
is a stream of
10 byte characters of the form:
Txxxx,yyyy or Rxxx,yyyy
where "T" is for touch and "R" is for release, origin in the bottom left
corner.
So e.g. "T0023, 0234"
As you move (or release) more 10 character packets keep coming,
Often if you are between two values it dithers continuously between two
adjected
values.
Also, the device doesn't seem to reponse to any input to COM1, I tried
sending it
the init. strings for the mutouch or the elographics and it just ignored
the input.
So I don't think those drivers will work.
Anyway, it seems like such a straightforward simple protocol I was wondering
if one of the existing drivers in the XFree86 source already handled it.
And if not was anyone interested enough to help me write one?
Thanks,
Rick Niles
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