I've been unable to burn the bootloader onto a SAMD21 XPRO board via the EDBG port. (Disclaimer: I'm very familiar with the SAMD21 and Atmel Studio, I'm a relative newcomer to Arduino.)
Details:
I've installed the Atmel SAMD21 Xplaiined-pros v0.3.0 board package from Atmel University France. I also -pre-erased the SAMD21 using Atmel Studio.
In Arduino, I've selected the SAMD21 Xplained Pro (via EDBG) under the Tools menu. I've verified that Tools => Programmer is set to "Atmel EDBG".
But when I click on Tools => Burn Bootloader, I get:
C:\Users\xxx\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino7/bin/openocd.exe -d2 -s C:\Users\xxx\AppData\Local\Arduino15\packages\arduino\tools\openocd\0.10.0-arduino7/share/openocd/scripts/ -f C:\Users\r\AppData\Local\Arduino15\packages\atmel-samd21-xpros\hardware\samd\0.3.0/variants/atmel_samd21_xpro_v1/openocd_scripts/variant_atmel_edbg.cfg -c telnet_port disabled; init; halt; at91samd bootloader 0; program {C:\Users\xxx\AppData\Local\Arduino15\packages\atmel-samd21-xpros\hardware\samd\0.3.0/bootloaders/atmel_samd21_xpro_v1/samd21_sam_ba.bin} verify reset; shutdown
Open On-Chip Debugger 0.10.0+dev-gf0767a31 (2018-06-11-13:36)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
debug_level: 2
Info : auto-selecting first available session transport "swd". To override use 'transport select <transport>'.
none separate
adapter speed: 400 kHz
cortex_m reset_config sysresetreq
Info : CMSIS-DAP: SWD Supported
Info : CMSIS-DAP: Interface Initialised (SWD)
Info : CMSIS-DAP: FW Version = 03.25.01B6
Info : SWCLK/TCK = 1 SWDIO/TMS = 1 TDI = 1 TDO = 1 nTRST = 0 nRESET = 1
Info : CMSIS-DAP: Interface ready
Info : clock speed 400 kHz
Info : SWD DPIDR 0x2ba01477
Info : at91samd21j18.cpu: hardware has 6 breakpoints, 4 watchpoints
Info : Listening on port 3333 for gdb connections
Error: SAMD: NVM Error
Error: SAMD: NVM lock error
Error: SAMD: NVM programming error
Error: Failed to erase row containing 00804000
Error: Couldn't erase user row
Error while burning bootloader.
Environment:
- Arduino V 1.8.16
- Windows 11 Pro 21H2