medium10 pts · first answer countsrtossynchronisation

Mutex held during a long wait

A task takes the SPI bus mutex, sends a command, calls vTaskDelay(100) to wait for the device, then reads and releases the mutex. What is the main issue?

A.vTaskDelay cannot be used while holding a mutexB.The mutex expires automatically after one tickC.Every other SPI user is blocked for at least 100 msD.Priority inheritance stops working after 10 ms

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Mutex held during a long wait

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