Problem with uploading code to APM 2.6

Wow, interesting setup :slight_smile: . I haven’t uploaded using either arduino or windows. There are some other threads on this forum where I give some details on how to upload to apm. I use make from the command line. The code was an experiment, and I really suggest upgrading to the newest version of ArduSub:

I will update the readme on my ardupilot-rov fork to indicate that it is deprecated, was experimental, and I will not be providing further updates. If you are determined to make it work, try the discussion here: Problem with running BlueROV - #5 by jwalser

And let me know if you still have issues.