模拟温湿度的代码
简介
本人使用的操作系统是：Windows11。本次项目使用到的软件有：编写代码——Visual Studio 2022、发送数据——UartAssist.exe（串口调试助手）、创建虚拟串口——vspdconfig.exe（虚拟串口驱动）。
界面代码
<Window x:Class="WpfApp1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfApp1"
mc:Ignorable="d"
Title="温湿度采集" Height="215" Width="448" ResizeMode="CanMinimize" WindowStartupLocation="CenterScreen">
<Grid HorizontalAlignment="Center" Width="446" Height="170" VerticalAlignment="Top">
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition Width="0*"/>
<ColumnDefinition Width="0*"/>
<ColumnDefinition Width="0*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="5*"/>
<RowDefinition Height="389"/>
<RowDefinition Height="3*"/>
</Grid.RowDefinitions>
<GroupBox Header="串口设置" Height="NaN" Margin="10,10,0,312" Width="415" FontFamily="MiSans" FontSize="16" HorizontalAlignment="Left" Grid.RowSpan="2">
<Grid Margin="12,0,0,0" HorizontalAlignment="Left" Width="393" Height="41">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="23*"/>
<ColumnDefinition Width="142*"/>
<ColumnDefinition Width="228*"/>
</Grid.ColumnDefinitions>
<Label Content="选择串口：" HorizontalAlignment="Left" Margin="10,0,0,10" Grid.ColumnSpan="2"/>
<ComboBox x:Name="ComboBoxPortNames" HorizontalAlignment="Left" Margin="82,0,0,10" VerticalAlignment="Bottom" Width="120" Grid.Column="1" Grid.ColumnSpan="2"/>
<Button x:Name="ButtonPortOpenClose" Content="打开" Margin="94,4,59,9" RenderTransformOrigin="-0.628,0.085" Grid.Column="2" Click="ButtonPortOpenClose_Click" Width="75"/>
</Grid>
</GroupBox>
<GroupBox Header="温湿度" Margin="10,77,0,228" FontSize="16" FontFamily="MiSans" HorizontalAlignment="Left" Width="415" Grid.Row="1">
<Grid Height="46" Margin="0,0,-12,0">
<Label Content="温度：" Margin="0,9,347,6" RenderTransformOrigin="-0.583,-0.212" HorizontalAlignment="Right" Width="58"/>
<TextBox x:Name="TextBoxTemp" HorizontalAlignment="Left" Margin="73,10,0,13" TextWrapping="Wrap" Text="—℃—" Width="120" FontSize="16" FontFamily="MiSans" TextAlignment="Center" IsReadOnly="True"/>
<Label Content="湿度：" HorizontalAlignment="Left" Margin="198,9,0,6" RenderTransformOrigin="-0.583,-0.212"/>
<TextBox x:Name="TextBoxHum" Margin="261,9,24,14" TextWrapping="Wrap" Text="—%—" FontSize="16" FontFamily="MiSans" TextAlignment="Center" IsReadOnly="True"/>
</Grid>
</GroupBox>
</Grid>
</Window>运行代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.IO.Ports;
namespace WpfApp1
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
SerialPort serialPort = new SerialPort();
byte[] byteReceived;
public MainWindow()
{
InitializeComponent();
ComboBoxPortNames.ItemsSource = SerialPort.GetPortNames();
serialPort.DataReceived += SerialPort_DataReceived;
}
private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
int intRead = 0;
intRead = serialPort.BytesToRead;
if (intRead > 0)
{
byteReceived = new byte[intRead];
serialPort.Read(byteReceived, 0, intRead);
Console.WriteLine();
foreach (byte b in byteReceived)
{
Console.WriteLine(b.ToString("X2" + " "));
}
Console.WriteLine();
}
double wendu = ByteToValue(byteReceived[18], byteReceived[19], 60.0, -10.0);
double shidu = ByteToValue(byteReceived[20], byteReceived[21], 100.0, 0.0);
Console.WriteLine("温度："+wendu.ToString("f0")+"℃");
Console.WriteLine("湿度：" + shidu.ToString("f0") + "%");
this.Dispatcher.BeginInvoke(
new Action(
delegate
{
TextBoxTemp.Text =wendu.ToString("f0") + "℃";
TextBoxHum.Text = shidu.ToString("f0") + "%";
}
)
);
}
private double ByteToValue(byte value1,byte value2,double max,double min)
{
int intAnalog = value1|(value2 << 8);
return(intAnalog * 3300.0 / 1023.0 / 150.0 - 4.0) * (max - min) / 16.0 + min;
}
private void ButtonPortOpenClose_Click(object sender, RoutedEventArgs e)
{
if (ComboBoxPortNames.Text=="")
{
MessageBox.Show("请选择一个串口！", "系统提示", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}
if(serialPort.IsOpen)
{
serialPort.Close();
TextBoxTemp.Text = "—℃—";
TextBoxHum.Text = "—%—";
ButtonPortOpenClose.Content = "打开";
ComboBoxPortNames.IsEnabled = true;
}
else
{
serialPort.PortName = ComboBoxPortNames.Text;
try
{
serialPort.Open();
}
catch(Exception)
{
MessageBox.Show("打开端口异常！", "系统提示", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
ButtonPortOpenClose.Content = serialPort.IsOpen ? "关闭" : "打开";
ComboBoxPortNames.IsEnabled= serialPort.IsOpen ? false : true ;
}
}
}
}运行效果
