基于单片机的多功能手持GPS定位仪的设计

摘要

介绍基于STC89 C52单片机下的GPS信息的接收及输出显示,并利用SD卡对导航数据进行保存.采用GPS模块接收卫星信号,通过串口连接,既可通过单片机处理,然后在TFT彩屏上显示相关信息,也可与PC机通信,通过PC机应用软件显示GPS信息,也可通过PC版灵图电子地图实现实时导航.将SD卡保存的数据经GPSBabel软件转换,在googel earth地图上实现轨迹重现.实际应用效果表明,该设计合理有效,具有很高的实用价值.%Receiver and output display of GPS information based on the STC89C52 MCU are introduced in-detail. Using GPS module as satellite reception, through a serial port conversion, can not only by MCU processing, displaying relevant information in TFT,but also can communicate with the PC, through PC application software, displaying GPS output data. The actual application result indicates that the design is rational and effective with high practical value.