[Battlemesh] dBm values > colours

[Jo-Philipp Wich]

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Hi,

the Kernel uses RSSI values between -110 and -40 to calculate its
"signal quality", the formula is simple:

 quality = min(max(rssi, -110), -40) + 110

That gives 70 quality levels, divided by your three color choices gives
ca. 23 dB spans, so it would result in:

- -110 .. -87  -> red
- -86  .. -64  -> orange
- -63  .. -41  -> green


Whether this kind of quality indicator actually makes sense is
debatable, but thats one way to do it.

~ Jow
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