Channel sounding not enough memory to store step data (530 > 512)

[Triscuit]

Hi, 

I am currently working with the channel_sounding/connected_cs sample for nrf54l15 and I keep getting the error: Not enough memory to store step data (530 > 512). I tried increasing CONFIG_MAIN_STACK_SIZE but the same error still showed up. Do you have any advice on how to resolve this issue?

[Elfving]

Hi,

Is this the default (ie. completely unmodified) version of the sample? Are you using nrf54l15 DKs? What NCS version are you using?

Regards,

Elfving

[Triscuit]

Hi, 

Yes, this is completely unmodified. I am using nrf54l15-dk with NCS version 3.0.0, thank you so much for your response.

[Triscuit]

It happened prior to and after I changed the procedure_interval parameters. 

[Elfving]

So it does also occur on just the default sample?

Regards,

Elfving

[Triscuit]

Yes it does. Also now it also shows "Tried to parse empty step data", with the latter being more often. Thanks for your time.

[Elfving]

This sounds a bit like a new almost unrelated problem, though one of the ways the first issue can be addressed is by using real-time ranging mode, which is actually enabled by default in the main branch. Could you try the sample from the main branch and see if you see this issue there? 

Regards,

Elfving

[Triscuit]

I have tried to use the version with real time ranging, but every time I tried to compile it I get the error:

error: 'RAS_FEAT_REALTIME_RD' undeclared (first use in this function)
  176 |         if (!(ras_feature_bits & RAS_FEAT_REALTIME_RD))
  
In function 'main':
  593 |         const bool realtime_rd = ras_feature_bits & RAS_FEAT_REALTIME_RD;
  
warning: implicit declaration of function 'bt_ras_rreq_realtime_rd_subscribe'; did you mean 'bt_ras_rreq_rd_ready_subscribe'? [-Wimplicit-function-declaration]
  596 |                 err = bt_ras_rreq_realtime_rd_subscribe(connection,
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                       bt_ras_rreq_rd_ready_subscribe
[29/360] Building C object zephyr/subsys/bluetooth/host/CMakeFiles/subsys__bluetooth__host.dir/hci_core.c.obj
ninja: build stopped: subcommand failed.

Even though I just cloned it from the github repository. I could not get it to compile and I have 3.0.1 which is the latest version. Am I supposed to add something extra into the config file?