[mc1322x] Access to LQI
Clive Stubbings
cstl at xentech.co.uk
Thu Jun 10 06:44:11 EDT 2010
Hi,
I'm looking to get access to the Rx Link Quality Information. The Freescale code
seems to have a function MLMELinkQuality() that claims to return
DAGC_RSSI = Cal_factor_dB
- (LNA_min_gain_dB + lna_state*(LNA_max_gain_dB-LNA_min_gain_dB))
+ (IFA_max_gain_dB - 3*ifa_state)
+ rx_dagc_gain_state
That seems quite convoluted, but if it provides an indication of link
quality/signal strength that will do me fine..
However, all that does is call PhyPlmeGetLQI(). Needless to say PhyPlmeGetLQI()
seems to be in the MC1322x.a and I've not found any documentation on how to
access that information.
Has anyone looked at this, or can anyone give me any pointers on how to track
it down?
Thanks
Clive
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