nRF9160DK HWID

RE: nRF9160DK HWID

Sigurd — Mon, 16 Sep 2019 15:45:47 GMT

[quote userid="75438" url="~/f/nordic-q-a/52163/nrf9160dk-hwid/209888"]Are you sure that's for nRF9160?[/quote]

This is for the nRF52840 that is located on the nRF9160-DK(PCA10090).

RE: nRF9160DK HWID

MJD093 — Mon, 16 Sep 2019 15:07:29 GMT

Hi Sigurd,

Are you sure that's for nRF9160?

I tried that snippet and it didn't like that, NRF_FICR is undefined. Delving deeper into the FICR, I can see in nrf9160.h there is a struct for NRF_FICR_S which can be followed down to NRF_FICR_S->INFO.DEVICEID[2]. This makes more sense as this is what is reflected in the nRF9160 OPS for FICR.

However I get hard faults when trying to print [0] or [1] of the DEVICEID and just printing NRF_FICR_S->INFO.DEVICEID gives a 6 digit hexadecimal value which is too small?

RE: nRF9160DK HWID

Sigurd — Mon, 16 Sep 2019 14:12:20 GMT

Hi,

[quote userid="17363" url="~/f/nordic-q-a/52163/nrf9160dk-hwid"]1. How thie HWID generated? Is there a official pdf file for reference?[/quote]

It's derived from the NRF_FICR->DEVICEADDR[], which are randomly generated in production. This "HWID" on the label is the Bluetooth address. See this post.

[quote userid="17363" url="~/f/nordic-q-a/52163/nrf9160dk-hwid"]How to output HWID through UART?[/quote]

	printk ("[HWID]:%04X%08X", (uint32_t)(NRF_FICR->DEVICEADDR[1]&0x0000FFFF)|0x0000C000,
                               (uint32_t)NRF_FICR->DEVICEADDR[0]);