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1.1 Unified IO interface

Develop a set of device drivers with both serial and network communication capabilities, the communication interface is logically unified, on this basis serial and network also have their own IO communication characteristics, according to different communication methods, IIOChannel instances can be converted into ISessionSocket or ISessionCom instances. As shown below:

1.2 communication requirements

A request command is sent twice, and the serial parity bit is different when sending data each time. First send address information, then serial port configuration is Baud,m,8,1; then send request command information, then serial port configuration is Baud,s,8,1. This completes a command requesting data. As shown below:

1.3 rewrite communication interface

The device driver inherits the SuperIO.Device.RunDevice1 abstract class, which has a virtual function Send(IIOChannel io, byte[] sendbytes). The io parameter is the communication operation instance, and the sendbytes parameter is the data information to be sent. This interface function can be rewritten to fulfill special data sending requirements. As shown below:

After receiving the data, you need to modify the serial port setting to the default configuration to avoid affecting the communication of other device drivers, as shown in the following figure:

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