@jverbeke wrote:
Hi,
I'm using a companion computer to send velocity commands over Mavlink to ArduCopter (modified 3.4 version) running on PixHawk through FTDI-USB cable. This works quite well.
But sometimes, when I try switching to Guided mode this fails.
The PixHawk makes a beeping sound and then tries to land.
At the same time there is a message on Mission Planner saying "failed to upload home location (1)".
This error doesn't happen each time I try to go into guided mode, but half of the times it does.
If I then switch a few times between loiter and guided mode in flight, it at some point doesn't give the error anymore and just goes into guided mode.What could be the reason for this?
Cheers,
Jon
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