/////////////////////////////////////////
// Interrupt routine

#pragma vector=USCIAB0RX_VECTOR	

//UCA0 - UART0 - RX
__interrupt void USCIA0RX_ISR (void)
{
}
__interrupt void USCI0RX_ISR(void)
{
}

#pragma vector=USCIAB1RX_VECTOR

//UCA1 - UART1 - RX
__interrupt void USCI1RX_ISR(void)
{
}
//UCB1 - I2C - RX
__interrupt void USCIB1RX_ISR(void)
{
}



////////////////////////////////////////
//Initialisierung der I2C Schnittstelle am Anfang

unsigned char chI2C_Init(void)
{
		
  P5SEL |= 0x06; //I2C active
  UCB1CTL1 |= UCSWRST;                      // Enable SW reset
  UCB1CTL0 = UCMST + UCMODE_3 + UCSYNC;     // I2C Master, synchronous mode
  UCB1CTL1 = UCSSEL_2 + UCSWRST;            // Use SMCLK, keep SW reset
  UCB1BR0 = 73; 							// fSCL = SMCLK /73 = ~100kHz
  UCB1BR1 = 0;
  UCB1I2CSA = 0x048;                        // Slave Address is 048h
  UCB1CTL1 &= ~UCSWRST;                     // Clear SW reset, resume operation
  IE2 |= UCB1RXIE;                          // Enable RX interrupt
  UC1IE |= UCB1RXIE;

return 1;
	
}

/////////////////////////////////////////
// Einstellen von Fühler Register

void StartConfI2C(int TmpAdresse)
{
	
	UCB1I2CSA = TmpAdresse;
//	UCB1I2CSA = 0x01;
	UCB1CTL1 = UCSSEL_2 + UCTR + UCTXSTT ;  //Adresse nach Start auto
	while (!(UC1IFG & UCB1TXIFG));           
  	UCB1TXBUF = 0x01 ;  					//Register
  	while (!(UC1IFG & UCB1TXIFG));           						
	UCB1TXBUF = 0xE1 ;
  	UCB1CTL1 |=  UCTXSTP ;
  	wait(2);
  	UCB1CTL1 = UCSSEL_2 + UCTR + UCTXSTT ;
  	wait(1); 
  	while (!(UC1IFG & UCB1TXIFG)); 
  	UCB1TXBUF = 0x00 ;
  	wait(1);
  	UCB1CTL1 |=  UCTXSTP ;	
}
/////////////////////////////////////////

//Auslesen des Temperaturwertes

int StartReadI2C(int TmpAdresse)
{
	UC1IE |= UCB1RXIE;
	UCB1I2CSA = TmpAdresse;	
	UCB1CTL1 = UCSSEL_2 + UCTXSTT ;
	test = UCB1RXBUF;
	UC1IFG = UCB1TXIFG + UCA1TXIFG;
	UCB1CTL1 = UCSSEL_2 + UCTXSTP ;
	return(test);
}