[Solved] You wrote this code to notify a task: void notifyTask() { xTaskNotify(taskHandle, 0x01, eSetValueWithOverwrite); } But the task never receives the notification. What is the likely problem? | FreeRTOS

FreeRTOS - Task Notifications

You wrote this code to notify a task:

void notifyTask() {
    xTaskNotify(taskHandle, 0x01, eSetValueWithOverwrite);
}

But the task never receives the notification. What is the likely problem?

ANotifications require queues to work

BeSetValueWithOverwrite is not a valid action

CThe taskHandle is NULL or invalid

DYou must call xTaskNotifyGive instead

Step-by-Step Solution

Solution:

Step 1: Check task handle validity
If taskHandle is NULL or invalid, notification cannot be delivered.
Step 2: Verify notification action and function
eSetValueWithOverwrite is valid, and xTaskNotify is correct for sending notifications.
Final Answer:
The taskHandle is NULL or invalid -> Option C
Quick Check:
Invalid task handle blocks notification = A [OK]

Quick Trick: Check taskHandle is valid before notifying [OK]

Common Mistakes:

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