Summagraphics tablet?

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Tue May 4 18:05:32 2004

>
> I have a SummaSketch MM1201 and the documentation for it.
> The protocol doesn't match your description.

[...]

> Data Format:
> MSB bits LSB
> 7 6 5 4 3 2 1 0
>
> byte 1 1 PR 0 Sx Sy Fc Fb Fa
> byte 2 0 X6 X5 X4 X3 X2 X1 X0
> byte 3 0 X13 X12 X11 X10 X9 X8 X7
> byte 4 0 Y6 Y5 Y4 Y3 Y2 Y1 Y0
> byte 5 0 Y13 Y12 Y11 Y10 Y9 Y8 Y7

That seems to be the 'bianry' protocol that I remember from the Bit Pad
1. I couldnt have reproduced it from memory, but seeing that reminded me
of things like the 1st byte had the MSB set, all others had it cleared,
and so on.

-tony
Received on Tue May 04 2004 - 18:05:32 BST