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XIAO looses its Ports

Products & Technology Arduino & Seeeduino

msfujino November 27, 2021, 4:36am 18

Creator,
Maybe this post will be helpful.

How to unbrick a dead XIAO using ST-LINK and OpenOCD XIAO

Hi, Using an inexpensive Chinese ST-LINK and OpenOCD for Windows, I was able to repair the XIAO bootloader. Here is a summary of the procedure. I hope it will be helpful. Reference: https://learn.adafruit.com/programming-microcontrollers-using-openocd-on-raspberry-pi/wiring-and-test Download OpenOCD for Windows from https://gnutoolchains.com/arm-eabi/openocd/ and extract it to C:/OpenOCD. Copy the file C:/OpenOCD/share/openocd/script/target/at91samdXX.cfg and rename it XIAO_at91samdXX.cf…

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