Flashing the nRF52 DK fails on Ubuntu VM

RE: Flashing the nRF52 DK fails on Ubuntu VM

lhochstetter — Mon, 23 Apr 2018 08:21:58 GMT

Hi,

and thanks for the input!

About the workaround: it works fine i.e. using a "direct" (no hand through to the VM) connection to the nRF52 DevKit using the host Win10 in order to update the firmware.

I've tested the "blinky" example using the VM (compiled using gcc and erased, flashed, and resetted using nrfjprog) and it works just fine!

Best,

lhochstetter

RE: Flashing the nRF52 DK fails on Ubuntu VM

Rune Holmgren — Mon, 16 Apr 2018 12:59:37 GMT

Hi,

I am not completely understanding how far you got at resolving this issue on your own, and how well the workaround you are mentioning is working. Running the development environment in a virtual machine is not something we are testing extensively, and Eclipse is not an officially supported development environment. You have to debug your own setup since it's a combination none of us here have been working with as far as I can tell. I will, of course, help you out to the best of my ability, so let me know how far you have gotten.

For now, I wanted to show you the setup I am running when doing Linux work. I am not using Eclipse and nrfjprog, but rather running it all though JLink and Segger Embedded Studio. With the correct USB settings in VirtualBox, I am able to compile, flash and debug nRF5 devices connected through USB.

Here is the setup I am running with examples of Segger Embedded studio debugging and JLink running as intended.

Best regards,
Rune Holmgren

RE: Flashing the nRF52 DK fails on Ubuntu VM

lhochstetter — Fri, 13 Apr 2018 08:50:47 GMT

Update:

I found a workaroud:

I installed the JLink v630k software on the Win10 Host and it was able to flash the firmware without issues.

The nrfjprog tool in the Ubuntu VM can now properly talk to the board as far as I can tell.

I haven't figured out where the real issue lies.

I can faintly recall a hackathon where I briefly worked with JLink, a Ubuntu VM, and a Nordic Dev Kit to program a Ruuvi Tag. If I recall correctly I had similar issues (no connection from the JLink in the VM to the Nordic Dev Kit) because a driver wasn't properly loaded in the Ubuntu VM - unfortunately I don't remember the details of the fix.