See if you can access the SAMD11 via SWD (S-CLK, S-DIO pads) and then re-flash new firmware?
I seem to recall having to use Microchip’s flash programmer (unless you have a Segger JLink with JFlash licence?).
See if you can access the SAMD11 via SWD (S-CLK, S-DIO pads) and then re-flash new firmware?
I seem to recall having to use Microchip’s flash programmer (unless you have a Segger JLink with JFlash licence?).