Copter: Prevent localised magnetic anomaly failing pre-arm checks

3drobotics / ardupilot-solo

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Copter: Prevent localised magnetic anomaly failing pre-arm checks #271

Closed priseborough closed 8 years ago

priseborough commented 8 years ago

Enables lifting the copter away from the source of magnetic interference to get consistent compasses for 3 seconds so that the strength check can pass.

Addresses: https://3drsolo.atlassian.net/projects/IG/issues/IG-1619