Task priority assignment in FreeRTOS - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a task with priority 2.

FreeRTOS

xTaskCreate(taskFunction, "Task1", 1000, NULL, [1], NULL);

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A2

B0

C5

D10

Attempts:

3 left

💡 Hint

Common Mistakes

Using 0 as priority which is the idle priority.

Confusing stack size with priority.

The fifth parameter sets the task priority. Here, priority 2 is correct.

2fill in blank

medium

Complete the code to set the priority of an existing task to 3.

FreeRTOS

vTaskPrioritySet([1], 3);

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AxTaskHandle

BNULL

CtaskFunction

DxQueueHandle

Attempts:

3 left

💡 Hint

Common Mistakes

Passing NULL which changes the priority of the current task.

Passing the task function name instead of the handle.

The first parameter is the handle of the task whose priority you want to change.

3fill in blank

hard

Fix the error in setting the task priority to 4 for a task handle named myTaskHandle.

FreeRTOS

vTaskPrioritySet(myTaskHandle, [1]);

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A"4"

B4

CHIGH

Dpriority

Attempts:

3 left

💡 Hint

Common Mistakes

Using a string instead of an integer for priority.

Using undefined constants.

The priority must be an integer value, not a string or undefined variable.

4fill in blank

hard

Fill both blanks to create a task with priority 5 and stack size 2000.

FreeRTOS

xTaskCreate(taskFunction, "Task2", [1], NULL, [2], NULL);

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A2000

B1000

C5

D2

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping stack size and priority parameters.

Using too small stack size for the task.

The third parameter is stack size, and the fifth is priority.

5fill in blank

hard

Fill all three blanks to create a task with name "Logger", priority 3, and stack size 1500.

FreeRTOS

xTaskCreate([1], [2], [3], NULL, 3, NULL);

Drag options to blanks, or click blank then click option'

AloggerTask

B"Logger"

C1500

D1000

Attempts:

3 left

💡 Hint

Common Mistakes

Using stack size as a string.

Confusing task name and function name.

Using wrong priority value.

The first argument is the task function name, second is the task name string, third is stack size.