Dear all,
I am trying to measure the RSSI value in TinyOS 1.x. However, I have got
two totally different values when I applied two methods to do this, one
is to read the 'strengh field' in the TOSMsg as the MPR/MIB manual
suggests, and the other one is to read the RSSI_VAL register. I am
wondering why I have obtained such different values, for example,
before adding the offset value (-45): the reading from the 'strengh
field' is -20; the reading from the RSSI_VAL register is -53;
after adding the offset value (-45): the reading from the 'strengh
field' is - 65; the reading from the RSSI_VAL register is -98.
I am really confused, could anyone help me with the reason for this pleaes?
Best regards,
Ruoshui Liu
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