[Solved] You want to design a Resource Manager Task that handles multiple resource types (e.g.... Which approach best applies the Resource Manager Task Pattern to handle this efficiently? | FreeRTOS

FreeRTOS - Design Patterns for RTOS

You want to design a Resource Manager Task that handles multiple resource types (e.g., UART, SPI) with different commands. Which approach best applies the Resource Manager Task Pattern to handle this efficiently?

ACreate separate manager tasks for each resource type and let clients send requests directly to each

BLet clients access resources directly with mutexes protecting each resource

CUse a single queue with a message struct containing resource type and command fields, then switch-case inside the manager task

DUse global variables to store resource states and update them without task communication

Step-by-Step Solution

Solution:

Step 1: Consider centralized control for multiple resources
A single Resource Manager Task can handle multiple resource types by differentiating requests.
Step 2: Use message struct with resource type and command
This allows the manager task to use a switch-case to process requests efficiently and safely.
Final Answer:
Use a single queue with a message struct containing resource type and command fields, then switch-case inside the manager task -> Option C
Quick Check:
Single queue + message struct = efficient multi-resource management [OK]

Quick Trick: Use message struct with resource type and switch-case in manager [OK]

Common Mistakes:

Creating multiple manager tasks unnecessarily
Allowing direct resource access with mutexes
Using global variables without communication

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Which approach best applies the Resource Manager Task Pattern to handle this efficiently?

Step 1: Consider centralized control for multiple resources

Step 2: Use message struct with resource type and command

Final Answer:

Quick Check:

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