NRF52840 Softdevice programming

RE: NRF52840 Softdevice programming

Øyvind — Fri, 13 Sep 2019 06:51:28 GMT

Yes, it seems you should remove nRF52xxx, but leave UICR and SoftDevice.

-Øyvnd

RE: NRF52840 Softdevice programming

cyberzl1 — Thu, 12 Sep 2019 15:29:04 GMT

So that seems to allow an erase, but causes some issues when trying to program.

Include "<path>\\ProjectFiles\\Source\\Nrf52840\\pca10056\\ide\\arm5_no_packs\\preload.ini"
Load "<path>\\SoftDevice\\s140_nrf52_6.0.0_softdevice.hex"
Full Chip Erase Done.
Flash Erase finished 10:24:56
Load "<path>\\ProjectFiles\\Source\\Nrf52840\\pca10056\\ide\\arm5_no_packs\\_build\\nrf52840_xxaa.axf"
Include "<path>\\ProjectFiles\\Source\\Nrf52840\\pca10056\\ide\\arm5_no_packs\\preload.ini"
Load "<path>\\SoftDevice\\s140_nrf52_6.0.0_softdevice.hex"
Erase Failed!
Error: Flash Download failed - "Cortex-M4"
Flash Load finished at 10:26:32

I have my Keil Ulink configured like this:

Where preload.ini is as you described. It seems to be pulling this in correctly as can be seen with the load statements.

Should the programming algorithms be different?

RE: NRF52840 Softdevice programming

Øyvind — Thu, 12 Sep 2019 12:16:35 GMT

Hello again,

A colleague from our tools team tested Ulink in Keil and had no trouble with usage.

His solution was to add a preload.ini file under Configure Flash Menu Command. (Project --> Options for Target <Device> --> Utilities). This .ini file had the following:

Load "<your path>\\s140_nrf52_6.0.0_softdevice.hex"

Under programming algorithm, you must also add nRF52xxx SoftDevice Erase. This allows you to program or update the softdevice.

Please try this solution on your computer, and let me know how it went.

Kind regards,
Øyvind

RE: NRF52840 Softdevice programming

Øyvind — Tue, 10 Sep 2019 08:05:28 GMT

[quote userid="83140" url="~/f/nordic-q-a/51817/nrf52840-softdevice-programming/208735"]In regards to the SDK question, does the listed API help to answer that question?[/quote]

No, not that I can see. But it does not matter. I have asked our team to test with a Ulink and see if there are any solutions. nRFJProg does only support Segger.

[quote userid="83140" url="~/f/nordic-q-a/51817/nrf52840-softdevice-programming/208735"]This hex could be shared if that is needed, but not on this public forum.[/quote]

No need yet.

I'll keep you posted.

Kind regards,
Øyvind

RE: NRF52840 Softdevice programming

cyberzl1 — Mon, 09 Sep 2019 14:28:15 GMT

In regards to the SDK question, does the listed API help to answer that question?

If not, as to what I am trying to program for an application after SoftDevice, our team (at another office) has developed an application that I am trying to help with testing on. Their office has JLink devices, where I only have ULink at my disposal. They did have a spare JLink that has been sent over but is still in our mail system at this time.

This hex could be shared if that is needed, but not on this public forum.

RE: NRF52840 Softdevice programming

Øyvind — Mon, 09 Sep 2019 14:22:36 GMT

[quote user="cyberzl1"]nrfjprog --eraseall
ERROR: There is no debugger connected to the PC.[/quote]

Thank you. This will help to find a solution with our nRF5x Command Line Tools team.

[quote user="cyberzl1"]How do I determine the SDK version?[/quote]

I assumed that you have an SDK that you are working with? If not, what are you trying to program along with the SoftDevice? This is to replicate the issue.

[quote user="cyberzl1"] I would still like to resolve how to do this with a ULink if possible.[/quote]

Yes, we will find a solution to this.

Kind regards,

Øyvind

RE: NRF52840 Softdevice programming

cyberzl1 — Mon, 09 Sep 2019 13:53:13 GMT

I receive the following message. But I have a Ulink connected to the device. The Ulink detects the target and appears to be capable of erasing the part, but not the UICR registers on the device.

nrfjprog --eraseall
ERROR: There is no debugger connected to the PC.

How do I determine the SDK version?

s140_nrf52_6.0.0_API?

I should have a JLink by the end of the day, but I would still like to resolve how to do this with a ULink if possible.

Thanks

RE: NRF52840 Softdevice programming

Øyvind — Mon, 09 Sep 2019 12:19:19 GMT

What message do you receive when running "nrfjprog --eraseall"?

From what SDK version are you trying to program the SoftDevice?

RE: NRF52840 Softdevice programming

cyberzl1 — Fri, 06 Sep 2019 14:13:48 GMT

Both of those options require a Jlink. Is there any option for use with a Ulink?

RE: NRF52840 Softdevice programming

Øyvind — Fri, 06 Sep 2019 08:40:03 GMT

Hello,

The error message Flash Download Failed - "Cortex-M4" usually indicates that the SoftDevice is present on the device. Checking the Erase Full Chip does not work in Keil. Ref. similar case.

Please erase your device using the Programmer app in nRF Connect for Desktop or issuing the command

 nrfjprog --eraseall

Let me know how that works for you.

Kind regards,
Øyvind

RE: NRF52840 Softdevice programming

cyberzl1 — Thu, 05 Sep 2019 17:40:14 GMT

How do I change that? The Keil libraries I have only list what you see there.

RE: NRF52840 Softdevice programming

Geom — Thu, 05 Sep 2019 17:35:36 GMT

NRF52840 has 1 MB flash