[Solved] Find the problem in this FreeRTOS idle hook code:void vApplicationIdleHook(void) { static int counter = 0; counter++; if(counter > 1000000) { counter = 0; }} | FreeRTOS

FreeRTOS - Task Scheduling

Find the problem in this FreeRTOS idle hook code:

void vApplicationIdleHook(void) {
    static int counter = 0;
    counter++;
    if(counter > 1000000) {
        counter = 0;
    }
}

ACounter variable may overflow causing undefined behavior

BIdle hook should not use static variables

CIdle hook must call vTaskDelay to avoid CPU hogging

DNo problem; code is safe and correct

Step-by-Step Solution

Solution:

Step 1: Analyze static variable usage
Static variables retain value across calls and are safe here for counting.
Step 2: Check for overflow risk
Integer overflow is unlikely here because counter resets before exceeding int max.
Final Answer:
No problem; code is safe and correct -> Option D
Quick Check:
Static counter with reset is safe in idle hook = D [OK]

Quick Trick: Static counters with reset avoid overflow in idle hook [OK]

Common Mistakes:

Master "Task Scheduling" in FreeRTOS

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Find the problem in this FreeRTOS idle hook code: