do{						//Die Schleife dient dazu evtl. auftretende USART Bytes zu verwerfen falls es nicht die erwarteten sind

			while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
			poll_rx_sign[0]=UDR1;
	
		}while (!(poll_rx_sign[0]==0x02));	//bis das erste Zeichen eine 0x02 ist
		
		do{
		
			while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
			poll_rx_sign[1]=UDR1;

			if (poll_rx_sign[1]==0x69)
				{
					wrong_sign=0;
					while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
					poll_rx_sign[2]=UDR1;

					if (poll_rx_sign[2]==0x0C)
					{
						wrong_sign=0;
						while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
						poll_rx_sign[3]=UDR1;

						if (poll_rx_sign[3]==0x07)
						{
							wrong_sign=0;
							while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
							poll_rx_sign[3]=UDR1;

							if (poll_rx_sign[4]==0x00)
							{
								wrong_sign=0;
								while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
								poll_rx_sign[3]=UDR1;

								if (poll_rx_sign[5]==0x7C)
								{
									wrong_sign=0;
									for (i=0; i<6; i++)
									{
										while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
										bd_addr[i]=UDR1;
									}	
									for (i=0; i<2; i++)
									{
										while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
										poll_rx_sign[i]=UDR1;
									}					
								}//end if 0x7C
								else
								{
									wrong_sign=1;
									while (!(poll_rx_sign[4]==0x02))
									{
										while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
										poll_rx_sign[4]=UDR1;
									}
								}
							}//end if 0x00
							else
							{
								wrong_sign=1;
								while (!(poll_rx_sign[4]==0x02))
								{
									while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
									poll_rx_sign[4]=UDR1;
								}
							}
						}//end if 0x07
						else
						{
							wrong_sign=1;
							while (!(poll_rx_sign[3]==0x02))
							{
								while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
								poll_rx_sign[3]=UDR1;
								}
							}
					}//end if 0x0C
					else
					{
						wrong_sign=1;
						while (!(poll_rx_sign[2]==0x02))
						{
							while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
							poll_rx_sign[2]=UDR1;
						}
					}
				}//end if 0x69
				else
				{
					wrong_sign=1;
					while (!(poll_rx_sign[1]==0x02))
					{
						while (!(checkbit (UCSR1A,RXC1)));	//warten bis RXC1=1, also data received
						poll_rx_sign[1]=UDR1;
					}
				}
				
			}while (wrong_sign==1); //End Do While Schleife