WDTCTL = WDTPW + WDTHOLD; // Watchdog stoppen 			//  main.c
      
     
     spi_disenable() ;  // CS High 
     chip_set()    ; // Reset High 
     start_conv() ; 
      
      system_init()  ; 
    _BIS_SR(GIE)   ; 
     
  

   while(1)
   {  
    ;  
    
   }
    
   
 
       
}// End main 

/*#pragma vector = USART0RX_VECTOR
__interrupt void usart0_rx(void)
{ 
  
  TXBUF0 = RXBUF0 ;
  
}*/

#pragma vector=PORT2_VECTOR
__interrupt void Port_2(void)
{  
    
   unsigned char i ; 
  

  P2IE &= ~  0x01; 
 //send_comand(SDATAC) ;
 
  //send_comand(SDATAC) ; 
  write_register(mux0) ; 
 write_register(mux0) ; // We want to write in Register Mux 
  
 read_register(mux0) ; // We Register to 
 
 //send_comand(RDATAC) ; 
 
 *(mux0 + 1 ) = 0x7f  ; 

 P2IE |= 0x01;   
 P2IFG &= ~0x01; 
 
}
								//   	NETZTEIL.c


void read_register (unsigned char* ptr)
{
  
 unsigned char i ;
 
 spi_enable() ; 
 TXBUF1 = RREG + *ptr; // Command + regeister waehlen 
    
 while( (UTCTL1 & TXEPT) == 0 ) ;
 delay(50) ;
 
 TXBUF1 = 0x00 ; 
 
 while( (UTCTL1 & TXEPT) == 0 ) ;
 delay(50) ; 
 TXBUF1 = 0xff ;
  
  while( (UTCTL1 & TXEPT) == 0 ) ; 
   delay(5) ; 
   
 *(ptr + 1 )= RXBUF1 ; 
     
 spi_disenable() ;
 //start_conv()  ; 
 
} // Ende Funktion Read, register 


void write_register ( unsigned char* ptr) 
{ 
  unsigned char i ; 
 
  spi_enable() ; 
  TXBUF1 =    WREG + *ptr  ; // Send write Command + Registeradresse 
  while( (UTCTL1 & TXEPT) == 0 ) ;
   delay(5) ; 
  
  TXBUF1 = 0x00 ; // The number of Register - 1 
  while( (UTCTL1 & TXEPT) == 0 ) ;
   delay(5) ; 
    
  TXBUF1 = *(ptr + 1) ;  // Send the writeByte
   while( (UTCTL1 & TXEPT) == 0 ) ;
   delay(5) ; 
   
  spi_disenable() ; 
  //start_conv()  ; 
  
} // Ende Funktion write_register

void read_byte(unsigned char  *data) 
{
  unsigned char i ; 
  spi_enable() ; 
  TXBUF1 = 0x13 ; 
  while( (UTCTL1 & TXEPT) == 0 ) ;
  delay(4) ; 
  for( i = 0 ; i<3; i++) 
  {
    TXBUF1 = 0xFF ; 
     while( (UTCTL1 & TXEPT) == 0 ) ;
    *(data +i) = RXBUF1 ; 
  }
  spi_disenable() ; 
   
}


void wake_up(void) 
{
  spi_enable() ; 
  TXBUF1= 0x01 ; 
   while( (UTCTL1 & TXEPT) == 0 ) ;
   spi_disenable() ; 
  
}

void send_comand( unsigned char cmd) 
 
 
{
  unsigned char i ;

/*for ( i = 0; i < 40 ; i++) 
delay(5000) ; */ 
  spi_enable() ;  //at the beginning CS will low
  delay(50) ; 
 TXBUF1 = cmd ;   // Send command 
  while( (UTCTL1 & TXEPT) == 0 ) ; // wait until the Buffer is empty
 delay(50) ;          // Wait for few µS
 spi_disenable() ;   // CS wil take High
  
}