[Solved] Given the following code snippet, what will be the output if the task's minimum free stack space was 50 words?UBaseType_t highWaterMark = uxTaskGetStackHighWaterMark(NULL); | FreeRTOS

FreeRTOS - Debugging and Monitoring

Given the following code snippet, what will be the output if the task's minimum free stack space was 50 words?

UBaseType_t highWaterMark = uxTaskGetStackHighWaterMark(NULL);
printf("High water mark: %u\n", highWaterMark);

AHigh water mark: 50

BHigh water mark: 0

CHigh water mark: Stack overflow

DCompilation error

Step-by-Step Solution

Solution:

Step 1: Understand uxTaskGetStackHighWaterMark output
This function returns the minimum free stack space (in words) the task had, which is 50 in this case.
Step 2: Analyze printf output
The printf prints the unsigned integer value returned, so output will be "High water mark: 50".
Final Answer:
High water mark: 50 -> Option A
Quick Check:
Function returns minimum free stack, printed as number [OK]

Quick Trick: Function returns minimum free stack words, print as unsigned int [OK]

Common Mistakes:

Master "Debugging and Monitoring" in FreeRTOS

9 interactive learning modes - each teaches the same concept differently

More FreeRTOS Quizzes

Given the following code snippet, what will be the output if the task's minimum free stack space was 50 words?