负责管理Led大屏幕和向Led大屏幕发送信息的上位软件，采用udp通讯方式，同时具有地图图片可以选择终端（Led大屏幕）。-Responsible for managing Led Led large screen and large screen send a message to the host software, using udp communication, both the map image to select terminal (Led large screen).

用MAPX实现地图显示，把通过tcp/ip协议接收车辆位置信息，并显示在程序中-use MAPX to show the position of the car