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Which of the following is the correct way to create a mutex in FreeRTOS?

easy📝 Syntax Q3 of 15
FreeRTOS - Design Patterns for RTOS
Which of the following is the correct way to create a mutex in FreeRTOS?
AxSemaphoreCreateMutex()
BxCreateMutexSemaphore()
CxMutexCreateSemaphore()
DxSemaphoreMutexCreate()
Step-by-Step Solution
Solution:

  1. Step 1: Recall FreeRTOS API for mutex creation

    The official FreeRTOS function to create a mutex is xSemaphoreCreateMutex().

  2. Step 2: Verify function name correctness

    Other options are incorrect or do not exist in FreeRTOS API.

  3. Final Answer:

    xSemaphoreCreateMutex() -> Option A

  4. Quick Check:

    Correct mutex creation function = A [OK]
Quick Trick: Use xSemaphoreCreateMutex() to create mutexes in FreeRTOS [OK]
Common Mistakes:
  • Mixing function name order
  • Using non-existent API calls
  • Confusing semaphore and mutex creation

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