Hello Everyone, I am trying to run my iris+ using the ArduCopter firmware code available on ardupilot's github repository. I downloaded the px4 console and installed the firmware using "make px4-v2-upload". After the firmware uploads, I do the necessary calibration. However, when I try to arm, I get a Prearm: Need 3D fix error on mission planner. The error is due to geofence being enabled. When I disable the geofence I can arm the drone but then I cannot use RTL. I really want geofence as a safety mechanism. Am I doing something wrong when uploading the firmware? Any help would be appreciated. Thanks.
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