I have flashed my custom M0 board with: samd21_sam_ba.bin using Atmel studio and Jlink,however the Arduino IDE is not recognising the Board as well as MCU is now locked and I can't reflash the board.
Board schematic: same as : sparkfun-samd21-pro-breakout
The board did work with Sparkfun's bootloader but when I flashed samd21_sam_ba.bin it did not recognise by Arduino IDE and now it is locked!
What is the difference between samd21_sam_ba and samd21_sam_ba_genuino version??