J-Link OB image, where can I find this image

RE: J-Link OB image, where can I find this image

Sigurd — Mon, 05 Feb 2018 10:13:43 GMT

Can you confirm that you tried all the steps in this list? Could you also try it on another computer.
If you open the command line, and run nrfjprog -i , do the serial number of the J-Link show up ?
Does the device show up in Device Manager on your computer?

Note that the PCA10040 version 0.9.0 uses a Engineering B of the nRF52832, which is obsolete and no longer recommended.

RE: J-Link OB image, where can I find this image

jean-marc — Wed, 31 Jan 2018 14:53:47 GMT

Sigurd:

After the disappear I need to BOOT/RESET again.
It works only in BOOT/RESET no other mode works, no serial connection, just dead, but it used to work in the past.
Version 0.9.0 2015.42
Running Windows 10 The last booted firmware was the Espruino! Could this be the fault? Then nothing else was loading anymore by the serial (still working at this point). Then I made the BOOT/RESET. Since locked this way. No more serial.

RE: J-Link OB image, where can I find this image

Sigurd — Wed, 31 Jan 2018 12:49:56 GMT

After it disappears, does it re-connect/appear again ? Or is it completely gone after it first disappears?
Do you have the same behavior if the board is in bootloader mode(press the IF BOOT/RESET button whilet you turn the board off and on again)?
What version of the PCA10040 do you have?
What OS are you running on your computer? Windows 10 ?

RE: J-Link OB image, where can I find this image

jean-marc — Wed, 31 Jan 2018 10:15:19 GMT

Great thank you for the answer, I did but the move of the file says that the file is too large for the destination. Plus the board stays as storage only for a few seconds then disappears. Is my board bricked?

RE: J-Link OB image, where can I find this image

Sigurd — Tue, 30 Jan 2018 22:58:10 GMT

Hi,

See this page.