Re: [linux-usb-devel] [PATCH] Add some PID stuff and fix HID debug prettyprinting

[Vojtech P. <vo...@su...>]

On Wed, Jan 16, 2002 at 08:16:50PM +0100, Johann Deneux wrote:
> On Wed, 16 Jan 2002, Bj|rn Augustsson wrote:
> 
> > > How far have you got ? Have you managed to make your joystick move yet ?
> > > Please also have a look at the input/event API. It would be nice if it was
> > > the one used to download effects to the device.
> > 
> > No, I haven't, but I'm close. (I think!)
> 
> Great !
> 
> > 
> > OK, longish status update time:
> > 
> > [...]
> > 
> > There's a few policy type things to consider. There's an Usage called
> > PhysicalInterfaceDevice.Safety_Switch, which is a switch that notices if
> > you hold the joystick or not (and if you let go, it turns the forces
> > off). Since the existing HID-input "parser" reports every one-bit input
> > usage as a button, this gets reported that way (except it's inverted, if
> > you let go of the stick, it goes 0 -> 1). 
> > 
> > It's not really a button, but it could be useful to a game anyway. You
> > could bind pause to it for example, or something. Do I report it to the
> > API as a button, or do I add a new bit about this somewhere?
> 
> I guess by the name BTN_DEAD (0x12f) could be used for that, but as I
> said, that's only a guess.

I-force has this as well (at least the WingMan Force has it).

-- 
Vojtech Pavlik
SuSE Labs