2022-10-01 05:24 PM
The possible configurations of the accelerometer filters are clear:
While the properties of those filters and what fields in the registers controls them is not clear at all.
Ex documentation https://www.digikey.com/htmldatasheets/production/1639232/0/0/1/LSM9DS1-Datasheet.pdf has this table:BW_SCAL_ODR - Hm, this is bandwidth selection of what filter? Does this table speak about LPF or HPF cutoff?
BW_XL - It says that this property of anti-aliasing filter. Where is this filter on the picture above?
DCF - High pass and low pass digital filter. What is this filter? Where is this filter on the chart in the beginning? Table 71 speaks about low pass. How about the high pass frequency?
How can I piece all this together? In fact, I see that accelerometer measurements are pretty noisy. So, some filtering is needed. But how?