... main.c Demonstration applet for E2BUS stepper interface code From “Open-Source Robotics and Process Control Cookbook” Lewin A.R.W. Edwards (sysadm@zws.com)*/#include <stdio.h>#include ... lamp (actually, an LED) over it. A central computer, connected to the company’s order processing system, controls all these indicator lamps over a piece of Category 5e cable that runs approximately ... status out UCSRA, r16 ; configure control/ status register B ldi r16, (1 << RXCIE) + (1 << RXEN) + (1 << TXEN) out UCSRB, r16 ; configure control/ status register C ; 8 bits,...