Lab 7 Check

sh

machinelab test uart
machinelab run --headless -- build/examples/uart_loopback
machinelab run-pair --headless build/examples/uart_peer_sender --right build/examples/uart_peer_receiver

Discussion Prompts

What fields would you add to a packet protocol built on UART bytes?
How should a receiver recover if it starts mid-packet?
Why is loopback useful before two-machine communication?

External Reading

OSDev Serial Ports: https://wiki.osdev.org/Serial_Ports
OSDev UART: https://wiki.osdev.org/UART
16550 UART programming: https://en.wikibooks.org/wiki/Serial_Programming/8250_UART_Programming