CF-RU 5102 UHF USB桌面阅读器vb.net SDK“串行通信”错误

Question

我正在使用CF-RU 5102台式阅读器来读取RFID卡。我已经从http://www.chafon.com/productdetails.aspx?pid=384下载了vb.net SDK。

当我运行sdk时出现错误“串行通信错误”。

SDK：CF-RU5102 UHFReader09 vb6.0_17051009420181.rar 作业系统：Windows 10

源代码：

private void OpenPort_Click(object sender, EventArgs e)
    {
        int port=0;
        int openresult,i;
        openresult = 30;
        string temp;
        Cursor = Cursors.WaitCursor;
          if  (Edit_CmdComAddr.Text=="")
          Edit_CmdComAddr.Text="FF";
          fComAdr = Convert.ToByte(Edit_CmdComAddr.Text,16); // $FF;
          try
          {
              if (ComboBox_COM.SelectedIndex == 0)//Auto
              {
                  fBaud = Convert.ToByte(ComboBox_baud2.SelectedIndex);
                  if (fBaud>2)
                  {
                      fBaud = Convert.ToByte(fBaud + 2);
                  }
                openresult =StaticClassReaderB.AutoOpenComPort(ref port,ref fComAdr,fBaud,ref frmcomportindex);
                fOpenComIndex = frmcomportindex;
                if (openresult == 0 )
                {
                    ComOpen = true;
                   // Button3_Click(sender, e); //自动执行读取写卡器信息
                    if (fBaud > 3)
                    {
                        ComboBox_baud.SelectedIndex = Convert.ToInt32(fBaud - 2);
                    }
                    else
                    {
                        ComboBox_baud.SelectedIndex = Convert.ToInt32(fBaud);
                    }
                    Button3_Click(sender, e); //自动执行读取写卡器信息
                  if ((fCmdRet==0x35) |(fCmdRet==0x30))
                    {
                        MessageBox.Show ("Serial Communication Error or Occupied", "Information");
                        StaticClassReaderB.CloseSpecComPort(frmcomportindex);
                        ComOpen = false;
                    }
                }          
              }
              else
              {
                temp = ComboBox_COM.SelectedItem.ToString();
                temp = temp.Trim();
                port = Convert.ToInt32(temp.Substring(3, temp.Length - 3));
                for (i = 6; i >= 0; i--)
                {
                    fBaud = Convert.ToByte(i);
                    if (fBaud == 3)
                        continue;
                    openresult = StaticClassReaderB.OpenComPort(port, ref fComAdr, fBaud, ref frmcomportindex);
                    fOpenComIndex = frmcomportindex;
                    if (openresult == 0x35)
                    {
                        MessageBox.Show("COM Opened", "Information");
                        return;
                    }
                    if (openresult == 0)
                    {
                        ComOpen = true;
                        Button3_Click(sender, e); //自动执行读取写卡器信息
                        if (fBaud > 3)
                        {
                            ComboBox_baud.SelectedIndex = Convert.ToInt32(fBaud - 2);
                        }
                        else
                        {
                            ComboBox_baud.SelectedIndex = Convert.ToInt32(fBaud);
                        }
                        if ((fCmdRet == 0x35) || (fCmdRet == 0x30))
                        {
                            ComOpen = false;
                            MessageBox.Show("Serial Communication Error or Occupied", "Information");
                            StaticClassReaderB.CloseSpecComPort(frmcomportindex);
                            return;
                        }
                        RefreshStatus();
                        break;
                    }

                }
              }
          }
          finally
          {
              Cursor = Cursors.Default;
          }

          if ((fOpenComIndex != -1) &(openresult != 0X35)  &(openresult != 0X30))
          {
            ComboBox_AlreadyOpenCOM.Items.Add("COM"+Convert.ToString(fOpenComIndex)) ;
            ComboBox_AlreadyOpenCOM.SelectedIndex = ComboBox_AlreadyOpenCOM.SelectedIndex + 1;
            Button3.Enabled = true ;
            Button5.Enabled = true;
            Button1.Enabled = true;
            button2.Enabled = true;
            Button_WriteEPC_G2.Enabled = true;
            Button_SetMultiReadProtect_G2.Enabled = true;
            Button_RemoveReadProtect_G2.Enabled = true;
            Button_CheckReadProtected_G2.Enabled = true;
            button4.Enabled = true;
            SpeedButton_Query_6B.Enabled = true ;

            ComOpen = true;
          }
          if ((fOpenComIndex == -1) &&(openresult == 0x30)) 
            MessageBox.Show("Serial Communication Error", "Information");

        if ((ComboBox_AlreadyOpenCOM.Items.Count != 0)&(fOpenComIndex != -1) & (openresult != 0X35) & (openresult != 0X30)&(fCmdRet==0)) 
          {
            fComAdr = Convert.ToByte(Edit_ComAdr.Text,16);
            temp = ComboBox_AlreadyOpenCOM.SelectedItem.ToString();
            frmcomportindex = Convert.ToInt32(temp.Substring(3, temp.Length - 3));
          }
          RefreshStatus();
      }

请帮助我解决这个问题。

谢谢。