You signed in with another tab or window. Reload to refresh your session.You signed out in another tab or window. Reload to refresh your session.You switched accounts on another tab or window. Reload to refresh your session.Dismiss alert
I had trouble burning the bootloader for any SFE samd21 boards and replaced the OpenOCD sketch upload section of sparkfun samd21 package platform.txt, with the the one from the aruduino samd platform.txt and that seemed to have allowed me to burn bootloaders.