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iNemo (LSM6DS3) significant motion detection not working

Question asked by Alan Chambers on Jan 16, 2017
Latest reply on Jan 18, 2017 by Miroslav B

I am trying to configure the iNemo to assert INT1 when significant motion is detected. I have followed AN4650 closely (the configuration matches that given in AN4650 Section 6.2 at the end of the section), but no interrupt is ever generated. I am using a STEVAL-MKI160V1 plugged into another board. I'm probing INT1 on the STEVAL while shaking the board and otherwise trying to simulate walking, running or other motion. I have tried reducing the threshold, including DEB_STEP, but nothing has worked.

 

Does this mode actually work as documented? Do other registers need to be written to make this work? I have the FIFO turned on, and it accumulates data at 26Hz as expected.

 

Thanks.

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