xTaskNotify() with value in FreeRTOS - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to notify a task with a value using xTaskNotify.

FreeRTOS

xTaskNotify([1], 0x01, eSetValueWithOverwrite);

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

ANULL

BvTaskDelay

CxTaskHandle

DxTaskNotify

Attempts:

3 left

💡 Hint

Common Mistakes

Passing NULL instead of the task handle.

Using a function name instead of a task handle.

The first argument to xTaskNotify is the handle of the task to notify.

2fill in blank

medium

Complete the code to notify a task with the value 0x10 using xTaskNotify.

FreeRTOS

xTaskNotify(xTaskHandle, [1], eSetValueWithOverwrite);

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A0x10

B0x00

C1

D0xFF

Attempts:

3 left

💡 Hint

Common Mistakes

Using 1 instead of 0x10.

Using 0xFF which is a different value.

The second argument is the notification value to send, here 0x10.

3fill in blank

hard

Fix the error in the code to notify a task with a value using xTaskNotify.

FreeRTOS

xTaskNotify(xTaskHandle, 0x05, [1]);

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AeSetBits

BeSetValueWithOverwrite

CeNoAction

DeIncrement

Attempts:

3 left

💡 Hint

Common Mistakes

Using eNoAction which does not set a value.

Using eSetBits which sets bits instead of value.

The third argument must be a valid notification action. eSetValueWithOverwrite sets the notification value directly.

4fill in blank

hard

Fill both blanks to notify a task with value 0x0F using xTaskNotify and the correct notification action.

FreeRTOS

xTaskNotify([1], [2], eSetValueWithOverwrite);

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AxTaskHandle

B0x0F

C0xF0

DNULL

Attempts:

3 left

💡 Hint

Common Mistakes

Using NULL instead of the task handle.

Using 0xF0 instead of 0x0F.

The first blank is the task handle, the second is the notification value 0x0F.

5fill in blank

hard

Fill all three blanks to notify a task with value 0xAA using xTaskNotify.

FreeRTOS

xTaskNotify([1], [2], [3]);

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

AxTaskHandle

B0xAA

CeSetValueWithOverwrite

DeNoAction

Attempts:

3 left

💡 Hint

Common Mistakes

Using eNoAction which does nothing.

Wrong value or action.

Incorrect argument order.

The first argument is the task handle, second is the value 0xAA, third is the notification action eSetValueWithOverwrite.