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Which FreeRTOS API function is used to change the priority of a task after it has been created?

easy📝 Syntax Q3 of 15
FreeRTOS - Task Priorities
Which FreeRTOS API function is used to change the priority of a task after it has been created?
AvTaskPrioritySet()
BxTaskCreate()
CvTaskDelay()
DxTaskResume()
Step-by-Step Solution
Solution:

  1. Step 1: Recall FreeRTOS API functions

    xTaskCreate creates tasks, vTaskDelay delays tasks, xTaskResume resumes suspended tasks.

  2. Step 2: Identify function to set priority

    vTaskPrioritySet is the function used to change a task's priority after creation.

  3. Final Answer:

    vTaskPrioritySet() -> Option A

  4. Quick Check:

    Change task priority = vTaskPrioritySet() [OK]
Quick Trick: Use vTaskPrioritySet to change priority after creation [OK]
Common Mistakes:
  • Confusing task creation with priority setting
  • Using delay or resume functions incorrectly
  • Assuming priority cannot be changed after creation

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