nRF52 DK flashing with jlink in ubuntu

RE: nRF52 DK flashing with jlink in ubuntu

Matts — Wed, 23 Mar 2016 13:51:21 GMT

Thanks, that did it.

RE: nRF52 DK flashing with jlink in ubuntu

tesc — Wed, 23 Mar 2016 13:38:27 GMT

Try to erase the flash first: nrfjprog -e

Then program the application (and SoftDevice if used). If application and SoftDevice are not compatible, or if memory settings for the application is wrong, then there might be an overlap in memory for where to put SoftDevice and application and you will still get that error.

RE: nRF52 DK flashing with jlink in ubuntu

Matts — Wed, 23 Mar 2016 09:45:55 GMT

Ok, the sudo JLinkExe -device nrf52 -if swd -speed 4000 updated the firmware:

SEGGER J-Link Commander V5.10u (Compiled Mar 17 2016 19:06:22) DLL version V5.10u, compiled Mar 17 2016 19:06:19

Connecting to J-Link via USB...Updating firmware: J-Link OB-SAM3U128-V2-NordicSemi compiled Mar 15 2016 18:03:17 Replacing firmware: J-Link OB-SAM3U128-V2-NordicSemi compiled Jan 21 2016 17:58:20 Waiting for new firmware to boot New firmware booted successfully O.K. Firmware: J-Link OB-SAM3U128-V2-NordicSemi compiled Mar 15 2016 18:03:17 Hardware version: V1.00 S/N: 682343799 VTref = 3.300V

After that I tried flashing the blinky, but now I get another error:

sudo nrfjprog --family nRF52 --program _build/nrf52832_xxaa.hex Parsing hex file. Reading flash area to program to guarantee it is erased. ERROR: The area to write is not erased.

RE: nRF52 DK flashing with jlink in ubuntu

Justin — Tue, 22 Mar 2016 16:04:46 GMT

Why not just use the JLINK DEB file from Segger? My guess is you have a permission issue. To test that try sudo JLinkExe -device nrf52 -if swd -speed 4000

RE: nRF52 DK flashing with jlink in ubuntu

Brook Gebremedhin — Tue, 22 Mar 2016 15:15:47 GMT

Try this command JLinkExe -device nrf51822_xxaa -if swd -speed 4000