[Solved] You want to implement a producer-consumer system where the producer generates sensor... Which FreeRTOS queue size and block time settings are best to avoid data loss and ensure timely processing? | FreeRTOS

FreeRTOS - Design Patterns for RTOS

You want to implement a producer-consumer system where the producer generates sensor data every 100ms and the consumer processes it. Which FreeRTOS queue size and block time settings are best to avoid data loss and ensure timely processing?

AQueue size 5, producer blocks indefinitely, consumer never blocks

BQueue size 1, producer never blocks, consumer blocks 100ms

CQueue size 10, producer blocks up to 100ms if full, consumer blocks indefinitely

DQueue size 0, producer and consumer never block

Step-by-Step Solution

Solution:

Step 1: Determine queue size for buffering sensor data
Queue size 10 allows buffering multiple data points to avoid loss if consumer is slow.
Step 2: Set block times to balance producer and consumer
Producer blocks up to 100ms to wait for space; consumer blocks indefinitely to wait for data.
Final Answer:
Queue size 10, producer blocks up to 100ms if full, consumer blocks indefinitely -> Option C
Quick Check:
Buffer size + blocking = no data loss [OK]

Quick Trick: Use enough queue size and blocking to prevent data loss [OK]

Common Mistakes:

Using queue size 0 (invalid)
Producer never blocking causes data loss
Consumer never blocking may miss data

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More FreeRTOS Quizzes

Which FreeRTOS queue size and block time settings are best to avoid data loss and ensure timely processing?

Step 1: Determine queue size for buffering sensor data

Step 2: Set block times to balance producer and consumer

Final Answer:

Quick Check:

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