如何从C#智能设备中的串行端口读取RFID数据? [英] How to read RFID data from serial port in C# smart device?

问题描述

朋友，

我编写了用于在智能设备中打开串行端口的代码.它正在打开可用的串行端口.现在，我需要用于读取RFID数据(从串行端口)的代码.请帮助我.

Hi Friends,

I wrote the code for opening the serial port in smart device. It is opening the available serial ports. Now I need the code for reading the RFID data (from the serial port). Please help me.

推荐答案

Pradeep，

我们可以使用串行端口从RF-ID阅读器读取标签值，为此我们需要使用串行电缆将RF-ID阅读器连接到端口，并使用相关的COM端口号连接到C#的串行端口对象连接.

-通常，System.Net包含串行端口类，并且在工具箱中也可以作为Win Forms应用程序的串行端口组件使用.

-您可以添加Win Forms应用程序.并使用代码的贝娄部分阅读.

Hi Pradeep,

We can use Serial port for Reading the Tag values from the RF-ID Reader.For this we need to connect the RF-ID Reader using the Serial cable to the port and use the relevant COM Port No# to the Serial port Object of C# to Connect.

- Normally the System.Net Contains the Serial Port Class and also available in the Toolbox as Serial port component for your Win Forms App.

-You can add a Win Forms App. and Use the Bellow part of code to read.

private void btnReadTag_Click(object sender, EventArgs e)
    {
        serialPort = new SerialPort();// if u r not used Serial Port Tool
        serialPort.PortName = "COM1";
        serialPort.BaudRate = 9600;
        serialPort.DataBits = 8;
        serialPort.Parity = Parity.None;
        serialPort.StopBits = StopBits.One;
        serialPort.Open();
        serialPort1.ReadTimeout = 2000;
        serialPort.DataReceived += new SerialDataReceivedEventHandler(Fun_DataReceived);
        serialPort.Close();
    }
    //Delegate for the Reading the Tag while RFID Card come to the Range.
    string data = string.Empty;
    private delegate void SetTextDeleg(string text);
    void Fun_DataReceived(object sender, SerialDataReceivedEventArgs e)
    {
        Thread.Sleep(500);
        data = serialPort.ReadLine();
        this.BeginInvoke(new SetTextDeleg(Fun_IsDataReceived), new object[] { data });
    }
    private void Fun_IsDataReceived(string data)
    {
        txtAccessCardNo.Text = data.Trim();
    }

学得很好:)

Have great learning :)

好吧，至少您必须知道您的RFID设备正在使用的协议.
:)

Well, you must, at least, know the protocol your RFID device is using.
:)

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I googled "c# read rfid data", and got 108,000 hits. I suspect you''ll find your answer there much faster than waiting for one of us to do the research for you.

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