My accelerometers aren't calibrated.

Mateusz Kondej mateuszkj at gmail.com
Wed Nov 26 00:12:22 CET 2008


Hi,

I think that accelerometers in my FR aren't calibrated or driver doesn't 
work properly. For example, if I use script form 
http://wiki.openmoko.org/wiki/Accelerometer_data_retrieval, I got this 
data:
X	Y	Z	SUM
54 -18 -1062 1063
54 -18 -1062 1063
36 -18 -1062 1062
54 -18 -1062 1063
54 -18 -1044 1045
36 -18 -1080 1080
FR is laying on my table, screen to bottom. So it should return gravity, 
981 cm/s^2. But It returns similar values but it's too big for me.
How to get properly results from accelerometers? Eventualy How to 
calibrate them?

Kondej Mateusz.




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