usb/119411: Co-ordinate system of mouse

[Markus Brueffer]

Am Montag, 7. Januar 2008 09:22:27 schrieb Sujai Edwin Moses:
> I am getting negative values of y-axis when i move the mouse upwards. Is
> this a problem with the mouse or normal? if normal, can you tell me the
> co-ordinate system used by the mouse?

This is perfectly normal. For details about the coordinate system please see 
chapter 5.9 of the HID spec. You can find it here:

http://www.usb.org/developers/hidpage/

Markus
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