[Solved] What will be the value of count after this code runs?uint32_t count = ulTaskNotifyTake(pdTRUE, 0); // Notification count was 5 before call | FreeRTOS

FreeRTOS - Task Notifications

What will be the value of count after this code runs?

uint32_t count = ulTaskNotifyTake(pdTRUE, 0);
// Notification count was 5 before call

AportMAX_DELAY

B0

C1

D5

Step-by-Step Solution

Solution:

Step 1: Understand parameters and initial count
xClearCountOnExit is pdTRUE, so count resets after return. Initial count is 5.
Step 2: Consider wait time zero
Wait time zero means no blocking; function returns immediately with current count.
Final Answer:
5 -> Option D
Quick Check:
Count returned before clearing = 5 [OK]

Quick Trick: Count returned before clearing even with zero wait [OK]

Common Mistakes:

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