What is the correct CSTACK and HEAP for STM32F303cc ?

[Davy Jones]

Posted on February 05, 2018 at 11:28

Our embedded application keep crashing

VListinsertend

after some time of operations. FreeRTOS code is generated using CubeMx.   What could be the possible issue ? 

FreeRTOS details

 

FreeRTOS 8.2 with heap 4 , Systick timer

osThreadDef(Task1, StartTask1, osPriorityRealtime, 0, 256);

osThreadDef(Task2, StartTask2, osPriorityHigh, 0, 196);

osThreadDef(Task3,StartTask3, osPriorityRealtime, 0, 256);

osThreadDef(Task4, StartTask4, osPriorityAboveNormal, 0, 196);

http://www.st.com/en/microcontrollers/stm32f303cc.html

256 Kbytes of Flash memory

40 Kbytes of SRAM

What should be the ideal CSTACK and HEAP size for the this kind of applications ?

Custom size cstack and Heap

Can anyone guide us in the right direction on how to find the right size of CSTACK and HEAP for the application ?  

#stm32f3 #freertos #stack #heap

[Tesla DeLorean]

Posted on February 05, 2018 at 15:27

The STACK in this context is probably just what's need to start all the other tasks, and those allocate theirs from the HEAP.

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Can anyone guide us in the right direction on how to find the right size

..

You, as a developer, need some conception of what demands your code generates, the call depth of your routines, the auto/local variable usages, and the expectations for malloc/free dynamic allocation of resources.