RobMeades Community Member

It's part of a much more complex test system so I doubt it will make much sense to you, which is why I have been pulling out the relevant parts, but if you insist then the relevant files are attached.

Yes, that's correct. nrfjprog is started with the command line: nrfjprog -f nrf52 --program nrf52840_xxaa.hex --chiperase --verify -r -s <serial number here> The Python code that does this is Source Code (3 lines)The download is allowed to complete…

Thanks for your swift response. The port numbers we use are distinct for each parallel case, of course. No port number is specified at all to nrfjprog: the download process needs/takes no Telnet port, as far as I'm aware: please tell me if I'm…

Further to [SOLVED] J-Link freeze in multiply parallel environment, having resolved that problem in a multiply parallel environment we seem to be left with a residual issue, which is that on some occasions (around the 1 in 10 times mark again) a J-Link…