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Heap management on CC2650 with ICall

Other Parts Discussed in Thread: CC2650

Hi,

I am currently trying to reducing the RAM usage in my project and trying to determine my heap usage.

I am using a CC2650 with IAR and I started with the TI-MAC 1.5.2 sample application.

Here is something that confuses me:

Inside the app.cfg file (the SYS/BIOS configuration file), I can define the heap size. This is the heap needed by SYS/BIOS.
Inside IAR I can use the heapMem view to see how much of that heap is used. This is good since I can tell how much heap is used.

In ICall, there are Heapmgr functions. I was able to determine that there is a variable called heapmgrHeapStore which seems to be used as heap by ICall.

Here are my question:

How can I see the memory usage of the ICall heap? (with the intention of reducing its size)

Are there tools that would allow to monitor the ICall heap size (like the heapMem for SYS/BIOS)?

Thank you