On Mon, 2005-07-11 at 10:42 +0100, Paul Sladen wrote:
> The sensor gives us two 10-bit AD values (corresponding to 0..1 volts on the
> ADI chip), temperature (Celsius) and three status bits indicating:
>
> * lid open/closed
Which bit did you find this in? I haven't tried with the lid closed.
> * keyboard activity
> * nipple movement
Technically, it's mouse movement :) I think it gets set on my T41p when
I'm using the touchpad.
> On the X40 I borrowed (thanks Robert McQueen), at rest the outputs hover
> around 512 (0x200). Gravity is supposed to fall off in a sine-wave during
> rotation, but I found that:
>
> theta = (N - 512) * 0.5
>
> provides a surprisingly good approximation for pitch/roll values in degrees
> in the range (-90..+90) so I think the sensor can do ~= +/-2.5G .
Interesting.
-- Dave
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
| |
 |