[maemo-developers] N800: Loss of touch screen sensitivity/pressure detection

From: Daniel Stone daniel.stone at nokia.com
Date: Wed Feb 21 01:46:44 EET 2007
On Tue, Feb 20, 2007 at 11:26:11PM +0000, ext Neil Jerram wrote:
> I'm seeing something like this too.  For me it occurs most frequently
> when I type my VNC Viewer password, which contains two 3s.  The first
> 3 is usually OK, but the second one hardly ever registers until I've
> tried 3 or 4 times.

This has been fixed, and will be in the next firmware update.

> Another case is navigating menus where the "mouse" needs to be "held
> down" the whole time (Emacs via VNC Viewer).  Almost always, I don't
> get as far as the menu item that I want, because the N800 thinks I've
> lifted the stylus up - when in fact it's still touching the screen.

This is a hardware problem that I've been meaning to work around in
software, but as it changes the queuing implementation yet again (and
requires another timer, eep; also increases the potential latency
somewhat, which is bad), I haven't got to it yet, so it won't be in the
next firmware update.

> Would be great if this was a software problem, but my current
> impression is that something about the N800 screen is a lot less good
> than the 770.


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