Software development of EVMIS color LED display

Abstract

Industrial color LED display EVMIS is the Industrial Control Equipment integrated GPS, GPRS and SMS. It is composed of two circuit boards by the upper and lower. The upper board, which is developed by the tool QT is mainly for display and data reception use. The software is mainly for showing the functions of the color LED display. That is, it will display data on the color LED display via hardware port response or by reading serial ports, GPS, GPRS and CAN. The lower board programs, which are developed by the tool KEIL are the control by relay and automatic sleep, it will regularly send GPRS data to the server. © 2012 Springer-Verlag GmbH.