Soft device error

[Paul Mercer]

Hi,

I am in the process of evaluating the nRF52840 and have the Nordic nRF82840 DK development board.

I am using the Segger Embedded Studio for evaluation.

The following examples are being used:-

GitHub - NordicPlayground/nrf52-ble-app-uart-long-range

The project compile after some interaction with Segger Tech support, but not running correctly.

I have put the board into debug mode, and get the following the attached error.Softdevice error.pdf

Segger are saying this is a Nordic issue and not compiler.

Any suggestions would be gratefully received.

Best Regards

Paul

[Simonr]

Hi Paul Glad to hear that. You can also do as the error log suggests, and run an nrfjprog --recover command from your command line with the nRF Command Line Tools.

Best regards,

Simon

[Paul Mercer]

Hi. I am making progress but need a bit more help. I have produced a board which is based around the nRF52840 DK Dev board. The aim is to develop code initially on the dev board and then transfer over to the designed board and ensure both work the same. I have some simple code where the unit advertises and also toggles an output (to show activity). I load this on the dev board with no issues, but on my board it appears to not run at all. The only difference I can see is the dev board has an optional 32.768KHz crystal whereas mine doesn't. The datasheets I have do not reference anything about the crystal but I assume there are configuration bytes which set up crystals etc? Is there a data sheet which specifies registers at low level?

Best Regards

Paul