medium10 pts · first answer countsrtosfreertosqueues

Stream buffer trigger level

A UART ISR writes bytes into a FreeRTOS stream buffer. The reader blocks on xStreamBufferReceive. What does the trigger level control?

A.The highest task priority that is allowed to write dataB.How many bytes must be waiting before a blocked reader wakesC.The baud rate the UART uses to fill the stream bufferD.How many reader tasks can block on the buffer at once

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Stream buffer trigger level

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