medium10 pts · first answer countsdata-structuresinterrupts

Buffering UART data

The UART receives bytes in an ISR, and the main loop processes them more slowly in bursts. What is the best data structure between them?

A.A ring (circular) buffer, with the ISR writing the head and the main loop reading the tailB.A single global byte variableC.A linked list allocated with malloc in the ISRD.Writing each byte directly to flash

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Buffering UART data

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