| 2. | There are also the power - on circuit for gsm module , indication circuit , the uart to pc , etc . the mcu program , written with c51 language , include gps position , alarm of dilapidation , asynchronous communication and sms , clock management , etc . after development , the mts " capability had been tested 另外还包括gsm的开机电路,指示电路,与pc相连接的串口等等。单片机软件选择了c51语言进行设计,包括gps观测、崩塌传感器报警、异步通信和短消息、时钟管理等模块。在完成终端的研制后,对仪器的性能进行了检测。 |