如何检查没有响应来自C#中的串行端口 [英] how to check no response is coming from serial port in C#

问题描述

如何检查C#中的串口是否没有响应

how to check no response is coming from serial port in C#

推荐答案

您可以为串口使用DataReceived事件:

You can use the DataReceived event for the serial port:

_serialPort.DataReceived += new SerialDataReceivedEventHandler(sp_DataReceived);

只需添加此事件处理程序，然后检查是否有意义的时间内返回响应.

Just add this event handler and check if a response if comming back in a meaningful time.

hiii，
要检查响应，您需要在通信中使用确认.
希望本文对您有所帮助.

使用C#改善串行端口的性能 [ ^ ]

hiii,
To check responce you need to use acknowledgement in communication.
hope this article will help you.

Improving the Performance of Serial Ports Using C#[^]

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