nanogui: a question about flnx on framebuffer
Subject:
RE: Re: a question about flnx on framebuffer
From:
Alex Pavloff ####@####.####
Date:
30 Apr 2001 18:32:23 -0000
Message-Id: <D1FC90CDE0A7D211A4CB00609760C2F11451BE@NT4-SERVER>
> On Mon, 30 Apr 2001, Alex Pavloff wrote:
> > While we're talking about mice, I've got a question. We're using and
are
> > still planning to use, mainly for cost issues, a grid touch screen. It
sits
> > on a quarter-VGA panel, and is quite adequate for the purposes that we
use,
> > which is basically to punch buttons on the screen. What's going to be
the
> > best way to get this going with Microwindows?
> That depends on what the interface to it looks like. Is it a
> serial port device or do you need to drive the hardware directly? If the
> former, does it emulate some other common mouse device or use its own
protocol?
It's a specialized piece of hardware. In our current system (DOS with a
cheezy multitasking OS layered on top of it), we've wrote module (in
assembly) that runs every 30 milliseconds or so and fills a mailbox with the
row/col of any hit it detects. It's a very simple device actually.
