Besides, the paper also improves a serial communication protocol based on RS-485 data bus, and realizes the application.
此外，本文还改善了基于RS- 485总线的串口通信协议，并实现了这种协议的应用程序。
We constructed a RS-485 bus based digital video monitor system with a DSP based video-image compressing card, a RS-485 serial communication card and the monitor software pack for the master computer.
我们采用基于DSP的视频图像压缩卡、RS- 485通信卡和上位机监控软件包构建了基于RS - 485总线的数字视频监控系统。
We constructed a RS-485 bus based digital video monitor system with a DSP based video-image compressing card, a RS-485 serial communication card and the monitor software pack for the master computer.
我们采用基于DSP的视频图像压缩卡、RS- 485通信卡和上位机监控软件包构建了基于RS - 485总线的数字视频监控系统。
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