[Solved] You wrote this code to get free heap size:size_t freeHeap = xPortGetFreeHeapSize;Why does it cause a compilation error? | FreeRTOS

FreeRTOS - Memory Management

You wrote this code to get free heap size:

size_t freeHeap = xPortGetFreeHeapSize;

Why does it cause a compilation error?

AWrong variable type used

BFunction does not exist

CMissing parentheses to call the function

DMissing header file inclusion

Step-by-Step Solution

Solution:

Step 1: Check function call syntax
The code assigns the function pointer instead of calling it because parentheses are missing.
Step 2: Understand compilation error cause
Without parentheses, the compiler expects a variable or constant, causing an error.
Final Answer:
Missing parentheses to call the function -> Option C
Quick Check:
Function calls need parentheses [OK]

Quick Trick: Always use () to call functions, not just name [OK]

Common Mistakes:

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