Re: joystick.c

From: Vojtech Pavlik (vojtech@suse.cz)
Date: Tue Jul 09 2002 - 11:38:41 EST


On Tue, Jul 09, 2002 at 10:21:44AM +0000, Piotr Sawuk wrote:

> Sorry if I'm off-topic here, since I don't read this list.
> also when replying please send me a copy...
>
> in function js_correct(value,corr) I've found the instructions:
>
> if (value < -32767) return -32767;
> if (value > 32767) return 32767;
>
> what's the use of these? I'm asking because my new usb-joystick
> is returning those values somewhere in the middle of it's threshold
> and I was wondering if disabling the above would do any good?

The data coming from the joystick is defined to be bound by this range.
It's signed 16 bit anyway.

> however, the actual reason why I've looked into that file was
> because wine reported strange joystick-events 6,7,8,9 and I
> just can't figure out what those are supposed to do. I've found
> JS_EVENT 1 and 2 in the linux/joystick.h include, but no mention
> of anything related to the number '6'. does anyone know anything
> about those joystick events?

What joystick is it? This looks like a problem with the HID driver.

-- 
Vojtech Pavlik
SuSE Labs
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