adalink atsamd21g18 --programmer jlink --wipe --program-hex ~/.arduino15/packages/arduino/hardware/samd/1.8.3/bootloaders/mkrzero/samd21_sam_ba_arduino_mkrzero.hex
Concerning the original J-Link from Segger, did you look at the EDU prices?Can get one for around $60 here in Switzerland, with these terms.
#define SD_CS 4#define SWDIO 1#define SWCLK 0#define SWRST 2
Well it was very quick, 2 or 3 seconds max to program
Maybe give another try?
Some updates may have been brought to the library?
As you made a lot of reasearch on the subject, didn't you find some code to emulate J-Link on a SAMD or eventually an 8 bit proc like Uno or Leonardo?
Hi,instead of burning bootloader, I am simply programming the chip at setup(). I used library available at:https://github.com/arduino-libraries/Arduino_BQ24195John