第一个WPF程序(串口调试)

本例子仅支持“ASCII”编码的串口数据发送与接收，如果需要其他编码，请自行更改，谢谢！

界面代码如下：

 1 <Window x:Class="SerialPortDebug.MainWindow"
 2         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 3         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 5         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 6         xmlns:local="clr-namespace:SerialPortDebug"
 7         mc:Ignorable="d"
 8         Title="串口调试助手 - ASCII" Height="450" Width="800" WindowStartupLocation="CenterScreen" Loaded="Window_Loaded">
 9     <Grid Margin="0,0,0,0.5">
10         <Grid.RowDefinitions>
11             <RowDefinition Height="292*"/>
12             <RowDefinition Height="131*"/>
13         </Grid.RowDefinitions>
14         <Grid.ColumnDefinitions>
15             <ColumnDefinition Width="236"/>
16             <ColumnDefinition/>
17         </Grid.ColumnDefinitions>
18         <GroupBox Header="配置" Margin="10" Grid.RowSpan="2">
19             <Grid >
20                 <Grid.ColumnDefinitions>
21                     <ColumnDefinition Width="83"/>
22                     <ColumnDefinition Width="121"/>
23                 </Grid.ColumnDefinitions>
24                 <Grid.RowDefinitions>
25                     <RowDefinition Height="30"/>
26                     <RowDefinition Height="30"/>
27                     <RowDefinition Height="30"/>
28                     <RowDefinition Height="30"/>
29                     <RowDefinition Height="30"/>
30                     <RowDefinition Height="30"/>
31                     <RowDefinition Height="30"/>
32                     <RowDefinition Height="14"/>
33                     <RowDefinition/>
34                 </Grid.RowDefinitions>
35                 <Label Name="label1" Content="端口" Margin="37,2,9,2" VerticalAlignment="Center" Height="26" HorizontalContentAlignment="Right"/>
36                 <Label Name="label2" Content="波特率" Margin="0,2,10,2" VerticalAlignment="Center" Height="26" Width="54" Grid.Row="1" HorizontalAlignment="Right" HorizontalContentAlignment="Right"/>
37                 <Label Name="label3" Content="奇偶校验位" HorizontalAlignment="Right" Margin="0,2,10,2" VerticalAlignment="Center" Height="26" Width="71" Grid.Row="2" HorizontalContentAlignment="Right"/>
38                 <Label Name="label4" Content="停止位" HorizontalAlignment="Right" Margin="0,2,10,2" VerticalAlignment="Center" Height="26" Width="54" Grid.Row="3" HorizontalContentAlignment="Right"/>
39                 <Label Name="label5" Content="数据位" HorizontalAlignment="Right" Margin="0,4,10,2" VerticalAlignment="Center" Height="24" Width="54" Grid.Row="4" HorizontalContentAlignment="Right"/>
40                 <Label  Name="label6" Content="流控制" HorizontalAlignment="Right" VerticalAlignment="Center" Height="25" Width="54" Grid.Row="5" Margin="0,3,10,2" HorizontalContentAlignment="Right"/>
41                 <Label  Name="label7" Content="超时(ms)" HorizontalAlignment="Right" VerticalAlignment="Center" Height="26" Width="61" Grid.Row="6" Margin="0,2,10,2" HorizontalContentAlignment="Right"/>
42                 <ComboBox Name="comboBox1" Grid.Column="1" Margin="15,4,18,4" VerticalAlignment="Center" Height="22"/>
43                 <ComboBox Name="comboBox2" Grid.Column="1" Margin="15,4,18,4" VerticalAlignment="Center" Height="22" Grid.Row="1"/>
44                 <ComboBox Name="comboBox3" Grid.Column="1" Margin="15,4,18,4" VerticalAlignment="Center" Height="22" Grid.Row="2"/>
45                 <ComboBox Name="comboBox4" Grid.Column="1" Margin="15,4,18,4" VerticalAlignment="Center" Height="22" Grid.Row="3"/>
46                 <ComboBox Name="comboBox5" Grid.Column="1" Margin="15,4,18,4" VerticalAlignment="Center" Height="22" Grid.Row="4"/>
47                 <ComboBox Name="comboBox6" Grid.Column="1" Margin="15,4,18,4" VerticalAlignment="Center" Height="22" Grid.Row="5"/>
48                 <TextBox Name="textBox1" Grid.Column="1" Height="22" Margin="15,4,18,4" Grid.Row="6" TextWrapping="Wrap" Text="2000" VerticalAlignment="Center"/>
49                 <Button Name="button1" Content="开启" Grid.Column="1" Margin="15,10,18,0" Grid.Row="8" VerticalAlignment="Top" Height="26" Click="button1_Click"/>
50             </Grid>
51         </GroupBox>
52         <GroupBox Name="groupBox1" Grid.Column="1" Header="接收区" Margin="10,5,10,14.5">
53             <Grid >
54                 <Grid.RowDefinitions>
55                     <RowDefinition Height="5*"/>
56                     <RowDefinition Height="246*"/>
57                 </Grid.RowDefinitions>
58                 <Grid.ColumnDefinitions>
59                     <ColumnDefinition/>
60                 </Grid.ColumnDefinitions>
61                 <TextBox Name="textBox2" Margin="10,5,10,10" Grid.Row="1" TextWrapping="Wrap" Text="TextBox"/>
62             </Grid>
63         </GroupBox>
64         <GroupBox Name="groupBox2" Grid.Column="1" Header="发送区" Margin="10,0.5,10,10" Grid.Row="1">
65             <Grid>
66                 <Grid.ColumnDefinitions>
67                     <ColumnDefinition Width="317*"/>
68                     <ColumnDefinition Width="70"/>
69                     <ColumnDefinition Width="80"/>
70                     <ColumnDefinition Width="80"/>
71                 </Grid.ColumnDefinitions>
72                 <Grid.RowDefinitions>
73                     <RowDefinition/>
74                     <RowDefinition Height="23"/>
75                 </Grid.RowDefinitions>
76                 <TextBox Name="textBox3" Margin="10,10,6,10" TextWrapping="Wrap" Text="TextBox" Grid.ColumnSpan="4"/>
77                 <Button x:Name="button2" Content="回车发送" Grid.Column="2" HorizontalAlignment="Center" Margin="0" Grid.Row="1" VerticalAlignment="Center" Width="70" Height="19" Click="button2_Click"/>
78                 <Button Name="button3" Content="直接发送" Grid.Column="3" HorizontalAlignment="Center" Margin="5,2" Grid.Row="1" VerticalAlignment="Center" Width="70" Height="19" Click="button3_Click"/>
79 
80             </Grid>
81         </GroupBox>
82 
83     </Grid>
84 </Window>

如下图：

后台代码：

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.Windows;
  6 using System.Windows.Controls;
  7 using System.Windows.Data;
  8 using System.Windows.Documents;
  9 using System.Windows.Input;
 10 using System.Windows.Media;
 11 using System.Windows.Media.Imaging;
 12 using System.Windows.Navigation;
 13 using System.Windows.Shapes;
 14 using System.IO.Ports;
 15 using System.Threading;
 16 
 17 namespace SerialPortDebug
 18 {
 19     /// <summary>
 20     /// MainWindow.xaml 的交互逻辑
 21     /// </summary>
 22     public partial class MainWindow : Window
 23     {
 24         public MainWindow()
 25         {
 26             InitializeComponent();
 27         }
 28        
 29         private void EnableReceiveAndSendGroup(bool isFirstLoad, bool enable)
 30         {
 31             groupBox1.IsEnabled = enable;
 32             if (isFirstLoad)
 33             {
 34                 textBox2.IsEnabled = false;
 35                 textBox2.Clear();
 36             }
 37             groupBox2.IsEnabled = enable;
 38             if (!textBox3.IsEnabled) textBox3.Clear();
 39         }
 40 
 41         private void LoadParameters()
 42         {
 43             EnableReceiveAndSendGroup(true,false);
 44             button1.IsEnabled = false;
 45             comboBox1.ItemsSource = SerialPortHelper.GetSerialPorts();
 46             if (comboBox1.Items.Count == 0) return;
 47             button1.IsEnabled = true;
 48             comboBox1.Text = comboBox1.Items[0].ToString();
 49             comboBox2.ItemsSource = SerialPortHelper.GetBaudRates();
 50             comboBox2.Text = comboBox2.Items[9].ToString();
 51             comboBox3.ItemsSource = SerialPortHelper.GetParities();
 52             comboBox3.Text = comboBox3.Items[0].ToString();
 53             comboBox4.ItemsSource = SerialPortHelper.GetStopBits();
 54             comboBox4.Text = comboBox4.Items[1].ToString();
 55             comboBox5.ItemsSource = SerialPortHelper.GetDataBits();
 56             comboBox5.Text = comboBox5.Items[1].ToString();
 57             comboBox6.ItemsSource = SerialPortHelper.GetFlowControls();
 58             comboBox6.Text = comboBox6.Items[0].ToString();
 59         }
 60 
 61         private void Window_Loaded(object sender, RoutedEventArgs e)
 62         {
 63             LoadParameters();
 64         }
 65 
 66         private void EnableConfig(bool enable)
 67         {
 68             if (enable) button1.Content = "开启";
 69             else button1.Content = "关闭";
 70             label1.IsEnabled = enable;
 71             label2.IsEnabled = enable;
 72             label3.IsEnabled = enable;
 73             label4.IsEnabled = enable;
 74             label5.IsEnabled = enable;
 75             label6.IsEnabled = enable;
 76             label7.IsEnabled = enable;
 77             comboBox1.IsEnabled = enable;
 78             comboBox2.IsEnabled = enable;
 79             comboBox3.IsEnabled = enable;
 80             comboBox4.IsEnabled = enable;
 81             comboBox5.IsEnabled = enable;
 82             comboBox6.IsEnabled = enable;
 83             textBox1.IsEnabled = enable;
 84         }
 85 
 86         SerialPort serialPort;
 87 
 88         private void button1_Click(object sender, RoutedEventArgs e)
 89         {
 90             if(button1.Content.ToString() == "开启")
 91             {
 92                 try
 93                 {
 94                     if(!int.TryParse(textBox1.Text,out int result))
 95                     {
 96                         MessageBox.Show("超时时间设置错误！");
 97                         return;
 98                     }
 99 
100                     serialPort = new SerialPort(comboBox1.Text, 
101                         SerialPortHelper.GetBaudRate(comboBox2.Text),
102                         SerialPortHelper.GetParity(comboBox3.Text), 
103                         SerialPortHelper.GetDataBit(comboBox5.Text),
104                         SerialPortHelper.GetStopBit(comboBox4.Text))
105                     { 
106                         Handshake = SerialPortHelper.GetFlowControl(comboBox6.Text),
107                         ReadTimeout = result
108                     };
109                     serialPort.Encoding = Encoding.ASCII;
110                     serialPort.DataReceived += SerialPort_DataReceived;
111                     serialPort.Open();
112                     EnableConfig(false);
113                     EnableReceiveAndSendGroup(false,true);
114                 }
115                 catch(Exception ex)
116                 {
117                     serialPort.Close();
118                     MessageBox.Show(ex.Message);
119                 }
120             }
121             else
122             {
123                 serialPort.Close();
124                 EnableConfig(true);
125                 EnableReceiveAndSendGroup(false,false);
126             }
127         }
128 
129         private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
130         {
131             textBox2.Dispatcher.Invoke(new Action(() => 
132             {
133                 textBox2.Text += serialPort.ReadExisting();
134             }));
135         }
136 
137         private void button2_Click(object sender, RoutedEventArgs e)
138         {
139             string text = textBox3.Text + "\r";
140             serialPort.Write(Encoding.ASCII.GetBytes(text), 0, text.Length);
141         }
142 
143         private void button3_Click(object sender, RoutedEventArgs e)
144         {
145             serialPort.Write(Encoding.ASCII.GetBytes(textBox3.Text), 0, textBox3.Text.Length);
146         }
147     }
148 }
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 
 6 namespace SerialPortDebug
 7 {
 8     class EnumHelper
 9     {
10         public static T GetValue<T>(string valueString) => (T)Enum.Parse(typeof(T), valueString);
11     }
12 }
 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.IO.Ports;
 6 
 7 namespace SerialPortDebug
 8 {
 9     class SerialPortHelper
10     {
11         public static string[] GetSerialPorts() => SerialPort.GetPortNames().OrderBy(x => x).ToArray();
12         public static string[] GetBaudRates() => new string[] { "256000", "128000", "115200", "57600", "56000", "43000", "38400", "28800", "19200", "9600", "4800", "2400", "1200", "600", "300", "110" };
13         public static string[] GetParities() => Enum.GetNames(typeof(Parity));
14         public static string[] GetStopBits() => Enum.GetNames(typeof(StopBits));
15         public static string[] GetDataBits() => new string[] { "7", "8", "9" };
16         public static string[] GetFlowControls() => Enum.GetNames(typeof(Handshake));
17 
18         public static int GetBaudRate(string baudRates) => Convert.ToInt32(baudRates);
19         public static Parity GetParity(string parity) => EnumHelper.GetValue<Parity>(parity);
20         public static StopBits GetStopBit(string stopbit) => EnumHelper.GetValue<StopBits>(stopbit);
21         public static int GetDataBit(string dataBit) => Convert.ToInt32(dataBit);
22         public static Handshake GetFlowControl(string flowControl) => EnumHelper.GetValue<Handshake>(flowControl);
23 
24     }
25 }

运行结果如下：

posted @ 2020-02-08 21:05  cnxy  阅读(2274)  评论(0)  编辑  收藏  举报
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