NRF52832 MCUBOOT Slot 1 on exeternal flash XT25F32B, whit SDK 1.6.1

[Fb62]

I have a hardware like the PINE Watch, with nRF52832 and external memory XT25F32B connected via SPI with the following:

PIN P0.2 SCK

P0.3 MOSI

P0.4 MISO

P0.5 CS

My application that I made on the nRF52-DK where I also activated the FOTA has a size greater than 256KByte and I cannot perform the FOTA upgrade.

So I ask you how to configure MCUBOOT SDK  1.6.1, to transfer slot 1 on the external flash so as to have enough space for my application and allow the upgrade via FOTA

Thanks for your help

Fausto

[helsing]

Hi Fausto,

Please see the case DFU from external flash using SPI NOR. (This example has also been adapted to QSPI in another example case, nRF5340 - FOTA DFU over QSPI Flash, however, you would need to stick to SPI(no quad) for nRF52832.)

Please have a look and let me know if you run into any difficulties.

Regards, 

Håkon

[helsing]

Also check out this case which has example code attached: hello_world_mcuboot_ext_flash_spim_nrf52833.zip. The code is modified to work with nRF52833 DK and it looks like it also contains an overlay for nRF52 DK.