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：
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原始发表：2020-02-08 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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