Flash read/write with S340 SoftDevcie

RE: Flash read/write with S340 SoftDevcie

TheBrownHobbit — Fri, 06 Feb 2026 10:19:36 GMT

Sounds like we are experiencing the exact same issue (3 years later). did you ever find a solution?

Only difference is we are running SDK 17.1

I will look into the other examples mentioned by Kenneth and see if that helps me any.

RE: Flash read/write with S340 SoftDevcie

Aftab — Tue, 10 Jan 2023 15:04:36 GMT

There seems to be no difference in the fds read/write code.

RE: Flash read/write with S340 SoftDevcie

Kenneth — Mon, 09 Jan 2023 10:10:02 GMT

Hello,

The S340 is much larger than S140, so that could be problematic. But other than that it should not be a problem to use S340, for instance you can find some projects are setup to use both S140 and S340 with fds, such as:

<nRF5_SDK_17.1.0_ddde560>\examples\ble_peripheral\ble_app_hrs\pca10056\s340\

I suggest to take a look at it for comparison.

I also suggest to build your project with Debug (instead of Release), so you can set a breakpoint in your app_error_fault_handler() to find what file, line and error code is causing the "crash".

Kenneth