nr52832 + nRF Connect 1.8.0 + External Flash

[embeddedER]

Hello Team,

We are interfacing nRF52832 with an external flash for data storage. Could you please point to the right document/link/code reference on how to interface external flash (on SPI) with nRF52832 on nRF Connect SDK 1.8.0?

Thanks!

[embeddedER]

Hi Hakon,

Thanks for the response. I added 6 ms delay in the code before reading the JEDEC ID.

With this change, now when I flash the device or power the board, it works (first time as well).

Can there be a cleaner way the this? Or we can use this workaround?

TIA!

[Håkon Alseth]

Hi,

 

Great to hear that you found the root-cause of the issue!

embeddedER said:

Can there be a cleaner way the this? Or we can use this workaround?

You could make your own board file, add a board.c file, similar to this:

https://github.com/nrfconnect/sdk-zephyr/blob/v2.7.99-ncs1-1/boards/arm/thingy52_nrf52832/CMakeLists.txt#L5

https://github.com/nrfconnect/sdk-zephyr/blob/main/boards/arm/thingy52_nrf52832/board.c

where you add a 5 ms delay in case SPI_NOR is selected, and also add a check if the init priority is lower than the spi_nor library.

 

Kind regards,

Håkon

[embeddedER]

Thanks, Hakon. I'll check this option.

Really appreciate your support..!!