[chuck-users] odd hid issue (touchpad)

[Hans Aberg]

On 17 Jul 2009, at 07:03, Kassen wrote:

> Last night I found a bit of a odd issue with a touchpad on a laptop  
> running Linux. I tried to open the mouse as a HID device and it  
> correctly found the one mouse attached, being the build in touchpad  
> which it described as acting through ps2 (I believe that's normal  
> for touchpads). The odd thing is that ChucK didn't get any data from  
> it when moving my finger over it or clicking the buttons.

Sorry, I was thinking about a graphics tablet. I'm looking on
   http://en.wikipedia.org/wiki/USB_human_interface_device_class
The HID protocols are evidently only for USB connections.

So if your trackpad is acting through PS/2
   http://en.wikipedia.org/wiki/IBM_Personal_System/2#Keyboard.2Fmouse_interface
that is a different API. Don't know how that works - the last one I  
saw was on a Mac made in the mid-1990s.

   Hans