通过计算机的串口与单片机进行串口通讯,用以监测运行于计算机上的数字视频录像系统是否正常,若不正常则单片机重新起动计算机。关键词:串行通讯,51 单片机,监护器Abstract: This article introduces a way to solve the problem of digital video recoder not working normally .DVR’ working-condition is detected by a wathcer using serial communication program between computer and microcontrollers . If DVR can’t work ,watcher resets the computer at once.Keywords: serial communication, microcontroller, watcher
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