Anyone know what's going on right now? I'm trying to upload any firmware from the Mission Planner and nothing is going through. Instead i get this error. i've tried this on Mission Planner 1.1.40 and 1.1.57 and 1.1.59.
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I know this is a slightly old thread, but I am also now having this issue. Despite selecting a com port I cannot get the board to connect. I have tried reinstalling MP to no avail. This is on a system that has been working fine. I loaded the hex 2.8.1 firmware as well as upgraded to MP 1.2.25 and now cannot connect at all.
the message is saying comport 8 doesnt exist. please make sure you pick a com port before clicking one of the firmwares.
There aren't any issues with the Mission Planner or the repository (I just tried on a range of boards), so this must be an issue with your PC. Have you loaded firmware with this board and PC before? If not, it looks like you don't have a driver installed.