说明：  该源码介绍了使用GPS传感器的进行导航系统开发的步骤,包含5个文件,其中Serial.cpp为串口操作 GPSDlg.cpp定义了从GPS传感器中读取位置参数并将位置映射到数字地图上, .BMP为数字地图
(The source described the use of GPS sensor for navigation system development steps, including the five documents, which Serial.cpp for the definition of a serial operation GPSDlg.cpp read from the GPS sensor and the location of the location parameter is mapped to the digital map ,. BMP for the digital map)