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Whenever a new character is received by the UART, RX interrupt fires up and catches the sent
character. The received character is shown on a LCD. In the main loop, the code sends out ASCII
characters and the LCD shows what has been sent out.
CCS IDE comes with a built-in serial terminal interface. You can that or you can use third-party software
like CoolTerm, Putty, Termite, Docklight, RealTerm, Tera Term, etc to check or monitor serial
communication transactions.
Demo
Demo video: https://www.youtube.com/watch?v=Mm2i4rVGyoo.