Design of Meteorological Early Warning Information Display Terminal
YU Wen-jia, 王瑞光 WANG Rui-guang, 宋喜佳 Song Xi-jia · Chinese Journal of Liquid Crystals and Displays · 2012
Based on the national public administrations' demand for meteorological early warning,a specialized meteorological early warning information display terminal is designed.With inte-grating SMS technology,GPRS wireless communication technology,speech synthesis technology,LED display technology,embedded Linux technology and Qt software designing technology,the system realizes receiving,displaying and broadcasting remote meteorological warning messages.The task requirement,hardware design,soft ideas and the LCD interface driver based on Linux are described in details.Experimental results show that the system displays images distinctly,communicates with the control center stably and meets the design requirement entirely.