... 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 ... indicator 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 ... in future, more panels could be added to the same bus, but show a different set of signals (to process multiple orders simultane-ously on the same line). For this reason, each panel has an 8-bit...