| By Date: | <-- --> |
| By Thread: | <-- --> |
On Tuesday 07 February 2006 16:09 pm, Paul Warren wrote: > The thing has special covers for whiteboard pens, which emit ultrasound > and so can be tracked by a device stuck on the whiteboard. It connects > to your computer via USB and uses HID to get data from it. I'm able to > get data from it via read()ing /dev/hiddev and via libhid, but the data > doesn't seem to make much sense!! All the info is obviously there, Pen > colour and position, I can even see sine waves in the data when drawing > circles, but finding the relationship within the data between the pen > colour, and the x-y co-ordinates has gone beyond my protocol reverse > engineering skills. HID is self describing. What does the descriptor look like? Can you try something like: http://www.frogmouth.net/hid-doco/examples/hiddev-misc/dump-events.c Brad
Attachment:
pgpoSEUmkkT8Z.pgp
Description: PGP signature
-- linux mailing list linux (at) lists.samba.org https://lists.samba.org/mailman/listinfo/linux