CAJ | 학술논문

为了实时监控地铁设备的工作状态，设计了HDLC/UART通信网关，并通过UART接口与监控系统相连。监控系统通过通信网关与设备进行通信，并以可视化的方式实时显示出设备的工作状态。该文分析了HDLC协议的帧结构和特点，设计了以STC89C52单片机为核心的硬件电路，完成了软件编程，并为监控系统编写了上位机程序。在地铁上验证设计的通信网关运行可靠。
위료실시감공지철설비적공작상태，설계료HDLC/UART통신망관，병통과UART접구여감공계통상련。감공계통통과통신망관여설비진행통신，병이가시화적방식실시현시출설비적공작상태。해문분석료HDLC협의적정결구화특점，설계료이STC89C52단편궤위핵심적경건전로，완성료연건편정，병위감공계통편사료상위궤정서。재지철상험증설계적통신망관운행가고。
To monitor the equipments on subway , this paper designed HDLC/UART communication gateway , and connected the gateway with the monitor system by using UART interface .The monitoring system communicated with equipments by communication gateway , and the results of monitoring can be displayed visually .This paper analyzed the structures and the characteristics of HDLC protocol , then de-signed the hardware part based on STC 89C52 SCM, and wrote the software of gateway and monitoring sys-tem.All the hardware and softwar performed quite well in the test implying on the subway .