SWD is purposefully exposed on that board and instead of flashing via the bootloader I got flashing with gdb via SWD with the `load` command working. I just use

SWD is purposefully exposed on that board and instead of flashing via the bootloader I got flashing with gdb via SWD with the `load` command working. I just use a male header with some jumper wires for the connection. It seems stable enough. Some pictures of the debug port here: https://files.timakro.de/IMG_20191201_142259.jpg https://files.timakro.de/IMG_20191201_142259.jpg https://files.timakro.de/IMG_20191201_142246.jpg https://files.timakro.de/IMG_20191201_142246.jpg