/// <summary>
/// 打开串口
/// </summary>
/// <param name="comName">192.168.1.125</param>
/// <param name="setting">10001</param>
/// <param name="er"></param>
/// <returns></returns>
public bool Open(string comName, out string er, string setting = "10001", bool recvThreshold = false)
{
er = string.Empty;
try
{
if (_com != null)
{
_com.close();
_com = null;
}
_com = new CTelnet(idNo, name, EDataType.ASCII格式);
if (!_com.open(comName, out er, setting))
{
_com = null;
return(false);
}
return(true);
}
catch (Exception e)
{
er = e.ToString();
return(false);
}
}
/// <summary>
/// 关闭串口
/// </summary>
/// <returns></returns>
public void Close()
{
if (_com != null)
{
_com.close();
_com = null;
}
}
private void btnCon_Click(object sender, EventArgs e)
{
try
{
btnCon.Enabled = false;
SaveIniFile();
string er = string.Empty;
if (_client == null)
{
_client = new CTelnet();
if (!_client.Connect(_ip, _port, out er))
{
ShowStatus(er, true);
_client = null;
return;
}
ShowStatus("连接[" + _ip + ":" + _port.ToString() + "]正常", false);
btnCon.Text = "断开";
btnSendCmd.Enabled = true;
btnCheck.Enabled = true;
btnPower.Enabled = true;
}
else
{
_client.Close();
_client = null;
ShowStatus("断开[" + _ip + ":" + _port.ToString() + "]连接", false);
btnCon.Text = "连接";
btnSendCmd.Enabled = false;
btnCheck.Enabled = false;
btnPower.Enabled = false;
}
}
catch (Exception ex)
{
ShowStatus(ex.ToString(), true);
_client = null;
}
finally
{
btnCon.Enabled = true;
}
}
