In this lab, you will be running a program on the microcontroller that communicates with the iRobot. The program sends commands to the iRobot and receives status information from the iRobot. This communication uses a standard peripheral interface called a UART $($Universal Asynchronous Receiver Transmitter$)$ for sending and receiving bytes $($physically$,$ it transmits a bit at a time over a wire, but you$$ll learn more about the UART later$).$ In this lab, the low$-$level UART communication functions are provided, and you will call higher$-$level functions from the open$\_$interface library. The open$\_$interface specification defines the requirements for the software library