ucgui下的GIS引擎简陋版，采用ucgui为绘图GUI,演示GPS坐标与屏幕坐标变换，实现轨迹回放功能，放大缩小功能，不能演示，但也具有，没完善-GIS engine under ucgui simple version, using ucgui for mapping GUI, presentation screen GPS coordinates and coordinate transformation, achieve trajectory playback, zoom functi

-ucos2系统。ads开发环境- GPRS拨号实验；GPS地理信息获取实验！ 对GPRS和GPS的开发有点帮助！--ucos2 system. ads Development tools- GPRS dial-up experiments GPS GIS access to the experiment! A little help for GPRS and GPS delopmenting!