Accelerometers in Kernel 2.6.28-rc4
Michael Tansella
michael-tansella at gmx.de
Sun Jan 25 13:20:27 CET 2009
> are you sure this isn't just the synchronization events?
For me the problem looks like this.
|type| |code| |-value-|
0006 0000 0000 0000 0000 -> Seperator time 1
0006 0002 0000 0048 0000 -> Value X1
0006 0002 0001 0024 0000 -> Value Y1
0006 0002 0002 0396 0000 -> Value Z1
0006 0000 0000 0000 0000 -> Seperator time 2 (0.2ms higher than time1)
0006 0002 0000 0048 0000 -> Value X2 (the same X1 )
0006 0002 0001 0024 0000 -> Value Y2 (the same Y1 )
0006 0002 0002 0396 0000 -> Value Z2 (the same Z1 )
0006 0000 0000 0000 0000 -> Seperator time 3 (2.5ms higher than time1)
0006 0002 0000 0048 0000 -> Value X3 (new Value)
I modified the python script from
http://wiki.openmoko.org/wiki/Accelerometer_data_retrieval
(see atachment) that it prints the ms. The result is the same.
204.269 -18 90 882
204.462 -18 90 882
206.635 -18 90 900
206.808 -18 90 900
209.127 -36 72 918
209.318 -36 72 918
211.595 -18 90 918
211.789 -18 90 918
214.056 -18 72 900
214.254 -18 72 900
Anything must have changed in the new Kernel, cause with the old kernel this
problem doesn't appear.
Is someone else reading out the Accs and does not have this problem?
Greets Michael
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