/// <summary>
/// 执行蜂鸣
/// </summary>
public void Rf_Beep()
{
StaticClassReaderB.SetBeep(ref readerAddr, 5, 0, 1, portFrmIndex);
System.Threading.Thread.Sleep(300);
StaticClassReaderB.SetLED(ref readerAddr, 5, 0, 1, portFrmIndex);
}