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LIS2DH Digital data readout conversion to G

Question asked by fleming.joseph on Sep 5, 2014

I'm struggling to understand the correct method/formula to convert the digital reading of the accelerometer to G units (LIS2DH). The data sheet states that The value is expressed as two’s complement left justified. I have the sensor running in high resolution mode. I'm not sure if my formula is correct as well.

#define SENSITIVITY 0.001#define OG_OFFSET 0.50    unsigned int X_16BIT_AXIS2 = (X_16BIT_AXIS >>4);    char G_X_AXIS = SENSITIVITY*(X_16BIT_AXIS2-OG_OFFSET);

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