You'll need to have a board supported by pyOCD connected. To show connected boards that pyOCD recognizes you can add the '-l' flag: pyocd-gdbserver -l 0 => FRDM-K64F [k64f] boardId => 0240000033514e45001c500585d40025e981000097969900
You'll need to have a board supported by pyOCD connected. To show connected boards that pyOCD recognizes you can add the '-l' flag: 5001c500585d400 25e981000097969 900
pyocd-gdbserver -l
0 => FRDM-K64F [k64f] boardId => 0240000033514e4