FDS Used In Application and Peer Manager

[WestCoastDaz]

The SDK 12.1.0 documentation for the FDS library says the following:

FDS_THREADS: If set, the FDS module can be used by multiple modules at the same time (for example, by the Peer Manager and the application). Enabling FDS_THREADS increases the code size. Note that this feature is experimental and should not be used in production.

Is this still the case?

I am currently using the FDS in the peer manager and in my application in separate tasks with FreeRTOS.

[bjorn-spockeli]

Hi Darren,

Yes, the FDS_THREADS feature is still experimental in SDK v12.1.0.

[WestCoastDaz]

Bjorn,

Can you please comment further on using FDS in my application along side FDS used in PEER manager? Should I avoid this? If so what is Nordic's recommend on saving custom data to flash and using the peer manager ?

[emdi]

You can definitely do that, even without defining that macro. Simply run you application and the PM at the same priority so that the RTOS won't preempt the application task with the task running the PeerManager, thus avoiding potential race conditions on shared memory inside FDS.

[WestCoastDaz]

Thanks emdi! After thinking about it this was the same conclusion I came to, except I plan on running it in the same thread as the peer manager.

[samuel]

Hi emdi, how do I set fds & PM priority as the same level if I use SDK12 and disable the MACRO "FDS_THREADS". thanks!