On Friday 14 February 2003 23:29, Micah Dowty wrote:
> On Fri, Feb 14, 2003 at 08:26:43AM -0700, Gray, Tim wrote:
> > Which of the pgui touchscreen drivers are for a serial device? I.E. it's
> > on a rs232 port. I have been asked to see if i can scab on one of the
> > older touchscreens we have here that simply outputs on a 2400bps serial
> > port the X,Y touched and I need to basically scab one of the existing
> > touchscreen drivers to at least use this device for some testing or even
> > just a demonstration.
>
> None of the existing touchscreen drivers are rs232, but I'm sure that if
> you used the serialmouse driver as a starting point and looked at one of
> the touchscreen drivers to see how they send raw events, it should be easy
> to write one. PicoGUI's if_touchscreen input filter will handle all
> calibration and filtering for you.
Actually, at least the 'sc3ts' driver that I wrote is rs232, but iirc, there
are others as well. Just grep the source for /dev/tty, your description sounds
like it should be very similar. The sc3 protocol is one of the flavours of
interfaces also known as DynaPro. It is quite common, so you might even
be able to just use it.
Arnd <><
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