上位機聯合調試-串口控制LED燈

ID:762492 · 發表于 2020-6-17 19:11

界面設計：
<Grid>
      <Grid.RowDefinitions>
         <RowDefinition Height="1*"/>
         <RowDefinition Height="1*"/>
         <RowDefinition Height="1*"/>
      </Grid.RowDefinitions>
      <Grid.ColumnDefinitions>
         <ColumnDefinition Width="1*"/>
         <ColumnDefinition Width="1*"/>
      </Grid.ColumnDefinitions>
      <GroupBox x:Name="groupBox" Header="串口設置" FontSize="18" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="23,33,0,0" Height="261" Grid.RowSpan="3" Width="241" />
      <Label Content="串口" FontSize="18" VerticalAlignment="Center" Width="100" HorizontalAlignment="Center" HorizontalContentAlignment="Right" Margin="23,0.5,137,71" Grid.Row="1" Height="36"/>
      <Label Content="波特率" FontSize="18" VerticalAlignment="Center" HorizontalAlignment="Center" Width="100" Grid.Row="1" HorizontalContentAlignment="Right" Margin="23,55,135,10" Height="42"></Label>
      <ComboBox x:Name="cmbChuanKou" Width="100" Height="30" Margin="148,6,10,71" Grid.Row="1"/>
      <ComboBox x:Name="cmbBaud" Width="100" Height="30" Margin="148,55,10,22" Grid.Row="1"/>
      <Button x:Name="btnOpenSerialPort" FontSize="18" Grid.Row="2" Height="30" Width="100" Content="打開串口" Margin="36,27,122,49" Click="btnOpenSerialPort_Click"></Button>
      <Button x:Name="btnCloseSerialPort" FontSize="18" Grid.Row="2" Height="30" Width="100" Content="關閉串口" Margin="148,27,10,49" Click="btnCloseSerialPort_Click"></Button>
      <GroupBox x:Name="groupBox1" Header="控制LED" FontSize="18" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="9.5,33,0,0" Height="261" Grid.RowSpan="3" Width="255" Grid.Column="1" />
      <Label Content="請選擇LED" FontSize="18" VerticalAlignment="Center" HorizontalAlignment="Center" RenderTransformOrigin="0.603,0.654" Grid.Column="1" Margin="10,38,142,22" Grid.Row="1" Height="47" Width="107"></Label>
      <ComboBox x:Name="cmbLed" Grid.Column="1" Height="30" Width="100"  Margin="149,38,10,39" Grid.Row="1" ></ComboBox>
      <Button x:Name="btnOpenLed" FontSize="18" Grid.Row="2" Height="30" Width="100" Content="開燈" Grid.Column="1" Margin="17,27,142,49" Click="btnOpenLed_Click"></Button>
      <Button x:Name="btnCloseLed" FontSize="18" Grid.Row="2" Height="30" Width="100" Content="關燈" Grid.Column="1" Margin="149,27,10,49" Click="btnCloseLed_Click"></Button>
</Grid>
</Window>
后臺代碼：
  private void Window_Loaded(object sender, RoutedEventArgs e)
      {
         foreach (string s in SerialPort.GetPortNames())
         {
            cmbChuanKou.Items.Add(s);
         }
         List<string> Baud = new List<string>(new string[] { "600", "1200", "2400", "4800", "9600", "14400", "19200", "115200" });
         cmbBaud.ItemsSource = Baud;
         cmbLed.Items.Add("全部");
         for (int i = 1; i < 17; i++)
         {
            cmbLed.Items.Add(string.Format("{0}號燈", i));
         }
         cmbChuanKou.SelectedIndex = 0;
         cmbLed.SelectedIndex = 0;
         cmbBaud.SelectedIndex = 0;

      }
  private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
      {

      }

      private void btnOpenSerialPort_Click(object sender, RoutedEventArgs e)
      {
         mySerialPort.PortName = cmbChuanKou.Text;
         mySerialPort.BaudRate = Convert.ToInt32(cmbBaud.Text);
         try
         {
            mySerialPort.Open();
            btnOpenSerialPort.IsEnabled = false;
            btnCloseSerialPort.IsEnabled = true;
            cmbChuanKou.IsEnabled = false;
            cmbBaud.IsEnabled = false;
         }
         catch
         {
            MessageBox.Show("打開端口出錯，請檢查串口", "錯誤");
         }
      }

      private void btnCloseSerialPort_Click(object sender, RoutedEventArgs e)
      {
         try
         {
            mySerialPort.Close();
            btnOpenSerialPort.IsEnabled = false;
            btnCloseSerialPort.IsEnabled = true;
            cmbChuanKou.IsEnabled = true;
            cmbBaud.IsEnabled = true;
         }
         catch
         {
         }
      }
      private byte sum(byte[] d)
      {
         byte s = 0;
         for (int i = 0; i < d.Length - 1; i++)
         {
            s += d[ i];[ i]
         }
         return s;
      }

      private void btnOpenLed_Click(object sender, RoutedEventArgs e)
      {
         byte[] data = new byte[5];
         data[0] = 0x55;
         data[1] = 0xaa;
         data[2] = (byte)cmbLed.SelectedIndex;
         data[3] = 0x00;
         data[4] = sum(data);
         mySerialPort.Write(data, 0, 5);
      }

      private void btnCloseLed_Click(object sender, RoutedEventArgs e)
      {
         byte[] data = new byte[5];
         data[0] = 0x55;
         data[1] = 0xaa;
         data[2] = (byte)cmbLed.SelectedIndex;
         data[3] = 0xFF;
         data[4] = sum(data);
         mySerialPort.Write(data, 0, 5);
      }
}

}

ID:885725 · 發表于 2021-2-23 15:47

這是利用單片機做下位機實現的嗎？有硬件圖嗎？

ID:885725 · 發表于 2021-2-26 11:22

試了一下，居然能運行！請問樓主，程序現在控制的是P0口，怎樣修改成控制P1口呢？

ID:885725 · 發表于 2021-3-3 10:00

請問以上程序運行后，串口模擬輸入1時顯示的是6，輸入2時顯示亂碼，請見附件顯示圖片。該怎樣解決顯示不正確的這個問題呢？

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上位機聯合調試-串口控制LED燈

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