Comments (1)
My setup (that works) for converting bits to g units is:
twentybits = 1048576 # max int for 20 bits
scale_factor = 1.95E-6
g_range = 2 # can be 2, 4, 8
# join 3 bytes and remove last four bits (data is 20 bits)
x = (buf[0] << 16 | buf[1] << 8 | buf[2]) >> 4
# twos complements
if x >= (twentybits / 2):
x = x - twentybits
# conversion in g units
x = x * g_range * scale_factor
from adxl355-python.
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