mag cal soft iron distortions

[dagar]

Consider updating mag cal for both hard and soft iron distortions.

https://github.com/PX4/Firmware/compare/pr-compasscal-offdiag?expand=1

[priseborough]

Soft iron effects can be a major issue for some setups or if accurate yaw estimation under static conditions is required for camera pointing.

[PX4BuildBot]

Hey, this issue has been closed because the label status/STALE is set and there were no updates for 30 days. Feel free to reopen this issue if you deem it appropriate.

(This is an automated comment from GitMate.io.)

[dagar]

Relevant #9136

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale]

Closing as stale.

[dagar]

Completed in #15235.