On 01/16/2014 10:36 PM, Sujith Manoharan wrote: > Wojciech Dubowik wrote: >> I guess I won't be able to reproduce bad scan results with wireless >> testing since I have >> changed scan reporting to pure rssi in my openwrt compat. >> In normal case you get a sum of rssi and noise floor and it will be >> correct i.e. when >> NF is shifted by 14db so will be rssi. >> So it's just my use case. >> >> Anyway I have just solved the issue by applying calibrated noise floor >> values from eeprom >> instead of nominal in nf_get functions and nf histogram. Now the rssi >> seems stable in my test >> environment. I have just started testing but it looks promising. > I don't see how that would fix the issue. The race still remains since > there is a window between NF cal init and completion. The results > of the calibration depends on the environment and using default values > from the eeprom will not fix this, I think. > > Sujith I agree it's more of a workaround because there can be situations where measured value is far from calibrated. In my setup it helps but I haven't yet tested what happens in the noisy environment.
Do you know a better way to fix this? I am not so deep into calibration tasks but I have a working setup so I could spend more time on that. Wojtek _______________________________________________ ath9k-devel mailing list ath9k-devel@lists.ath9k.org https://lists.ath9k.org/mailman/listinfo/ath9k-devel
