[Solved] You want to create two tasks with different priorities using xTaskCreate(). Which code snippet correctly creates both tasks and stores their handles? | FreeRTOS

FreeRTOS - Task Creation and Management

You want to create two tasks with different priorities using xTaskCreate(). Which code snippet correctly creates both tasks and stores their handles?

ATaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 5, handle1); xTaskCreate(Task2, "Task2", 1000, NULL, 3, handle2);

BTaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 3, &handle1); xTaskCreate(Task2, "Task2", 1000, NULL, 5, &handle2);

CTaskHandle_t handle1, handle2; xTaskCreate(Task1, Task1, 1000, NULL, 3, &handle1); xTaskCreate(Task2, Task2, 1000, NULL, 5, &handle2);

DTaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 3, &handle2); xTaskCreate(Task2, "Task2", 1000, NULL, 5, &handle1);

Step-by-Step Solution

Solution:

Step 1: Verify task handle usage
Each task handle must be passed by address using &. TaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 3, &handle1); xTaskCreate(Task2, "Task2", 1000, NULL, 5, &handle2); correctly does this for both handles.
Step 2: Check task names and priorities
Task names are strings in quotes. Priorities differ (3 and 5) as required. TaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 3, &handle1); xTaskCreate(Task2, "Task2", 1000, NULL, 5, &handle2); matches this correctly.
Step 3: Confirm no parameter mix-ups
TaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 5, handle1); xTaskCreate(Task2, "Task2", 1000, NULL, 3, handle2); misses & operator. TaskHandle_t handle1, handle2; xTaskCreate(Task1, Task1, 1000, NULL, 3, &handle1); xTaskCreate(Task2, Task2, 1000, NULL, 5, &handle2); uses function names instead of strings for task names. TaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 3, &handle2); xTaskCreate(Task2, "Task2", 1000, NULL, 5, &handle1); swaps handles incorrectly.
Final Answer:
TaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 3, &handle1); xTaskCreate(Task2, "Task2", 1000, NULL, 5, &handle2); -> Option B
Quick Check:
Correct handles and priorities = TaskHandle_t handle1, handle2; xTaskCreate(Task1, "Task1", 1000, NULL, 3, &handle1); xTaskCreate(Task2, "Task2", 1000, NULL, 5, &handle2); [OK]

Quick Trick: Pass &handle for each task, use quoted names, set priorities properly [OK]

Common Mistakes:

Passing handles without &
Using function names instead of string names
Mixing up handles between tasks

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More FreeRTOS Quizzes

You want to create two tasks with different priorities using xTaskCreate(). Which code snippet correctly creates both tasks and stores their handles?

Step 1: Verify task handle usage

Step 2: Check task names and priorities

Step 3: Confirm no parameter mix-ups

Final Answer:

Quick Check:

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