Since I moved from APM to PIXHAWK, I've never had a good flight with COPTER. Always the same: ERROR COMPASS VARIANCE. I am pretty desperate with this issue.
I am now in Copter V3.4, and still the same. After so many hours researching, trying to understand the new EKF and EK2 procedure, my only conclusion (and to be honest, not 100% sure), the error comes from discrepancy in the internal and external compasses reading. My suspect comes from the fact that no matter how I calibrate the compasses, I have never accomplished to have mx,my,mz and mx2,my2,mz2 reading to be consistent.
So ok, it does not matter, I have been flying happy all my live with just one compass. I dont want an internal compass anymore !! I just want to live happy with just my external compass, far far far away from any interference source (looking at the log and after compass mot, interference is less tahn 8%).
But no matter how I disable the internat compass, the error persist !!! It is like the EK2 algorithm is still considering the internal compass measures. So my question is simple: How I can tell the EK2 no to use the internal compass measurements?
Thaks in advance,