Writing in Flash

[Berthe]

Hello,

I'm using nRF52840 with softdevice s140 and SDK 15.3.

I am able to run the examples/peripheral/flash_fstorage.

Copying the fstorage stuff into my own project, I 'm trying to erase 1 page at 0x3e000 and write an array of 12bytes after erasing after ble stack init.

Erase and write does not work has expected and sometimes makes reboot the microcontroller sometimes not.

The problem is not clear for me when debugging, sometimes it breaks on nrf_atfifo_item_alloc into nrf_fstorage_sd sometimes not...

Is there a config I missed ?

[Jørgen Holmefjord]

Hi,

Have you made sure that address 0x3e000 does not overlap with the application code area? The softdevice occupies the area up to address 0x26000, so the application does not need to be huge to reach 0x3e000. Which example is your application based on? Can you post the code/project?

Best regards,
Jørgen