How Lis302dl detect slight rotation?

[hamody]

Hi all

Lis302dl send data to app by interrupt mode.Now there is a problem,how does
the sensor detect 
very slight phone rotation?
In my case,though the threshold&duration is sensitive,but it still cannot
trigger the interrupt when 
the phone slightly rotate.

Any suggestion to solve it?

Thanks
BR
Hamody

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----hamody 
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