一个关于12864多级菜单的学习包，希望对需要者有一定帮助-One on more than 12,864-level menu of learning packages, in the hope this will definitely help those in need

用51单片机解析GPS数据并在12864液晶显示经纬度、时钟以及高度的源代码程序-GPS data analysis with 51 single-chip liquid crystal display latitude and longitude in the 12,864, clock, and a high degree of source code program