J.C. Nelson

Can you find me the .s file it's complaining about? It's in the /tmp directory when you hit this. I want to see what the functions are.

I'm looking at this and not sure - I"m seeing the same thing, and am beginning to think it may be related to using Serial vs USBSerial. I'm creating a...

I'm working on ExtUI support and once I"m done with that, this is up next on the to-debug list.

Yes - I'm leaving this open until I get the EXTUI PR into Marlin Main.

Chitu is the manufacturer (see the trigorilla_pro_disk environment, where the firmware is encrypted.) You should be able to start from the pro and work out the pins.

First step - Backup your firmware & bootloader. Pull the boot jumper and start that sucker up and download it using ST's flasher. Now you can always go back. Put...

What processor is that on the board? A GD STM clone or actual ST? Regardless, you want to find the pinout for chip and look for boot0 and trace it,...

Hey, sweet - there's no encryption on the firmware now. That's a great sign.

So, their firmware is Marlin. Did they release the source somewhere?

This is not a chitu board (it's made by them but doesn't use their encryption at all). I'd see if there's any other boards based on that hardware and start...