Findally, we implement SDM300 remote control module and Async communication module on the basis of introducing technology of serial programming , RS485 bus driving mode and RS485 serial driver.
介绍了串口编程技术，RS485总线驱动模式和RS485串口驱动程序。 然后在此基础上设计和实现了SDM300远程控制模块和异步信道的通信模块。
Parallel programming was designed on the basis of serial programming by using peer-to-peer mode and standard communication mode.
采用对等模式和标准通信模式，在原有的串行程序基础上进行了并行程序的设计。
We provide flow diagram of programming and thinking on the basis of communication protocol supplied by KingView and principle of communication among multi-SCM through serial ports.
根据组态王提供的通讯协议和单片机多机串口通讯的原理，给出程序设计流程与思路。
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