Accelerometer

Jakob Westhoff jakob at westhoffswelt.de
Thu Jul 10 14:33:26 CEST 2008


Andreas Kemnade wrote:
> On Mon, 7 Jul 2008 20:26:45 +0200
> Tobias Diedrich <ranma+openmoko at tdiedrich.de> wrote:
> 
>> Andreas Kemnade wrote:
>>
>>> I have tried to do get some values from the accelerometers.
>>> I get from /dev/input/event3 these values:
>>>
>>> 000b070: 5de6 7148 4108 0200 0200 0000 ee08 0000  ].qHA...........
>>> 000b080: 5de6 7148 7b08 0200 0200 0100 1200 0000  ].qH{...........
>>> 000b090: 5de6 7148 9608 0200 0200 0200 2a03 0000  ].qH........*...
>>>
>>> As far as I understnd thee first line is for the x axis,
>>> the second for the y-axis, the thirs for the z-axis.
>>>
>>> The value for the x axis does not change.
>>>
>>> I get no data for /dev/input/event2.
>> From a cursory look, "hexdump /dev/input/event2" and
>> "hexdump /dev/input/event3" both show accelerometer data on my phone.
>>
> ok, neod seems to do something with them and seems to sometimes reconfigure them.
> That seems to be the reason why I got no data.
> I have managed to get values from event2, too now.

That sounds quite interesting. I got the exact same problem as you are
experiencing. Could you tell me what you did, to get the event data from
 the first accelerometer?

Greetings
Jakob




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