g-sensor calibration problem

[John Lee]

Hi,

If I use the enclosed python code to test g-sensor on gta02 (read
/dev/input/event3) while holding the neo vertically, normally the
result looks like this:

x = -72, y = -990, t = 1.976891 pi
x = -72, y = -990, t = 1.976891 pi
x = -54, y = -990, t = 1.982655 pi
x = -72, y = -990, t = 1.976891 pi
x = -72, y = -990, t = 1.976891 pi

It's quite reasonable.  However,

* sometimes after booting
* always after resume (apm -s)

the result will look like this:

x = 1620, y = -36, t = 0.492928 pi
x = 1620, y = -18, t = 0.496463 pi
x = 1620, y = -36, t = 0.492928 pi
x = 1620, y = -36, t = 0.492928 pi
x = 1620, y = -36, t = 0.492928 pi

I wonder what's the cause?  Any more information I could provide?


Regards,
John

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