void loesch_segment(int adr)
{
    //Vor Aufruf fl_ptr initialisieren
    int *fl_ptr;
    fl_ptr = (int *) adr;
    _DINT();					//Disable Interrupt
    FCTL2 = FWKEY+FSSEL1+FN0;			//SMCLK/2
    FCTL3 = FWKEY;				//Clear LOCK
    FCTL1 = FWKEY+ERASE;
    *fl_ptr=0;
    FCTL1 = FWKEY;
    FCTL3 =FWKEY + LOCK;			//Done, set LOCK
}


void schreib_word(int word,int adr)
{
   //Vor Aufruf fl_ptr initialisieren 
     int *fl_ptr;
     fl_ptr = (int *) adr;
    _DINT();
    FCTL2 =FWKEY+FSSEL1+FN0;
    FCTL3 = FWKEY;				   //Clear LOCK
    FCTL1 = FWKEY+WRT;			           //Enable Write
    *fl_ptr=word;     
    FCTL1 = FWKEY;
    FCTL3 =FWKEY + LOCK;
}

int lesen(int adr)
{ 
    int x; 
    //Vor Aufruf fl_ptr initialisieren 	
    int *fl_ptr;
    fl_ptr = (int *) adr; 
    x = *fl_ptr;    
return x;
}