CC2652P: Questions about stack and heap in SDK 2.4g sensor example?

yingtao jia

Part Number: CC2652P

Hi, I use CC2652P, SimpleLink SDK v4.20, my application is based on ti15.4stack 2.4g sensor.

In cmd linker file, there is such code as below :

Where can I find the definition of heapStart and heapEnd?

The comment says change stack size under Project Properties. But I didn't find __stack and __STACK_SIZE in Project Properties.

Where can I change stack size in Project Properties?

Thanks.

over 5 years ago

0 IUsedToBeARealPerson (M-W) over 5 years ago

TI__Guru 58425 points

Hi Yingtao,

The "LOAD_END" and "LOAD_START" operators define the symbol in question. From the linker documentation:

LOAD_START(sym) - Defines sym with the load-time start address of related allocation unit
LOAD_END(sym) - Defines sym with the load-time end address of related allocation unit

The default stack size is 256 bytes (and typically this should be enough as it is not the same as your tasks stack size). If you want to change it you can add
"--stack_size=X" to the .cmd file.

0 yingtao jia over 5 years ago in reply to IUsedToBeARealPerson (M-W)

Expert 1280 points

Thank you.

How to know the default stack size is 256 bytes? In project properties?

0 IUsedToBeARealPerson (M-W) over 5 years ago in reply to yingtao jia

TI__Guru 58425 points

Hi Yingtao,

This basically boils down to the TI-RTOS XDC tools in this case, tt will generate the stack of the project with a fitting size. The easiest way to find out the size is to compile and look into the .map file, search for ".stack".

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CC2652P: Questions about stack and heap in SDK 2.4g sensor example?