LPC-Link2 ( LPC4370 + SPIFI ) interface only

Testing build.

You may use command line tools included in LPCScrypt package to write this custom firmware to your LPC-Link2.
Or otherwise you can also use OpenOCD to program LPC-Link2 , but you'll need another SWD debug adapter.

lpc55s69 snapshot 23fed18

Built from 23fed18 with arm-none-eabi-gcc (GNU Arm Embedded Toolchain 10-2020-q4-major) 10.2.1 20201103 (release) .
python3 -m project_generator generate -b -t make_gcc_arm -p lpc55s69_bl
python3 -m project_generator generate -b -t make_gcc_arm -p lpc55s69_if