C#低频门禁卡系统操作

2021物联网应用技术1班-卓名良 2023-06-22 01:15:11

一.窗体界面展示

二.这个系统所需要的控件
1、label

2、comboBox

3、button

4、textBox

5、timer

三.所用到的硬件
1.NewLab实验台

2.M3模块

3.低频卡数张

4.LF 天线模块

5、USB转串口驱动 CH340

四.代码展示

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO.Ports;

namespace WindowsFormsApp2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
SerialPort com1 = new SerialPort(); //创建串口对象

private void Form1_Load(object sender, EventArgs e)
{
String[] port = SerialPort.GetPortNames(); //获取端口
for (int i = 0; i < port.Length; i++) { comboBox1.Items.Add(port[i]); }
if (port.Length != 0) comboBox1.SelectedIndex = 0;
if (!com1.IsOpen)
{
button1.BackColor = Color.Red;
}
}

private void button1_Click(object sender, EventArgs e)
{
if (!com1.IsOpen) //如果串口关闭，则打开
com1.PortName = comboBox1.Text;
com1.BaudRate = 115200;
com1.DataBits = 8;
com1.StopBits = StopBits.One;
com1.Parity = Parity.None;
com1.Open();
button1.Text = "关闭端口";
button1.BackColor = Color.Green;
button2.Enabled = true;
button4.Enabled = true;
timer1.Enabled = true;
}

private void button2_Click(object sender, EventArgs e)//发送查询卡号指令
{
textBox1.Text = " ";
byte[] buff = new byte[] { 0xff, 0x55, 0x00, 0x00, 0x01, 0x01, 0x00, 0x50, 0x74 };
com1.Write(buff, 0, buff.Length);
label1.Text = "ff, 55, 00, 00 , 01, 00, 50, 74";
}

private void timer1_Tick(object sender, EventArgs e)//定时器事件，自动接收数据
{
if (com1.BytesToRead != 0)
{
int len = com1.BytesToRead;
byte[] buffer = new byte[len];
com1.Read(buffer, 0, len);
for (int i = 0; i < len; i++)
{
textBox1.Text += buffer[i].ToString("X").PadLeft(2, '0') + " ";
}
if (buffer[9] == 0x88 && buffer[10] == 0x66)
{
button4.Text = "开门";
button4.BackColor = Color.Green;
}
else
{
button4.Text = "禁止入内";
button4.BackColor = Color.Red;
}
for (int i = 0; i < len; i++)
{
textBox1.Text += buffer[i].ToString("X").PadLeft(2, '0') + " ";
}
}
}

private void button3_Click(object sender, EventArgs e)//写卡，把“8866”写入到块1
{
byte[] buff = new byte[] { 0xff, 0x55, 0x00, 0x00, 0x03, 0x04, 0x05, 0x01, 0x00, 0x00, 0x88, 0x66, 0x6D, 0xAE };

com1.Write(buff, 0, buff.Length);

label1.Text = "注册完成！";
}

private void button5_Click(object sender, EventArgs e)//读卡
{
textBox1.Text = " ";
byte[] buff = new byte[] { 0xff, 0x55, 0x00, 0x00, 0x03, 0x03, 0x01, 0x01, 0x0F, 0x30 };
com1.Write(buff, 0, buff.Length);
label1.Text = "读卡完成";
}

private void button6_Click(object sender, EventArgs e)//注销
{
byte[] buff = new byte[] { 0xff, 0x55, 0x00, 0x00, 0x03, 0x04, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x47, 0x48 };
com1.Write(buff, 0, buff.Length);
label1.Text = "注销完成";
}
}
}