PIC18 USART Probleme

//************************************************************

//Testing USART

//04.11.09

//************************************************************

/** C O N F I G U R A T I O N   B I T S ******************************/

#pragma config FOSC = INTIO67, FCMEN = OFF, IESO = OFF                       // CONFIG1H

#pragma config PWRT = OFF, BOREN = SBORDIS, BORV = 30                        // CONFIG2L

#pragma config WDTEN = OFF, WDTPS = 32768                                    // CONFIG2H

#pragma config MCLRE = OFF, LPT1OSC = OFF, PBADEN = ON, CCP2MX = PORTC       // CONFIG3H

#pragma config STVREN = ON, LVP = OFF, XINST = OFF                    // CONFIG4L

#pragma config CP0 = OFF, CP1 = OFF, CP2 = OFF, CP3 = OFF                   // CONFIG5L

#pragma config CPB = OFF, CPD = OFF                                         // CONFIG5H

#pragma config WRT0 = OFF, WRT1 = OFF, WRT2 = OFF, WRT3 = OFF                // CONFIG6L

#pragma config WRTB = OFF, WRTC = OFF, WRTD = OFF                            // CONFIG6H

#pragma config EBTR0 = OFF, EBTR1 = OFF, EBTR2 = OFF, EBTR3 = OFF           // CONFIG7L

#pragma config EBTRB = OFF                                                  // CONFIG7H

#include <p18f45k20.h>

#include "delays.h"

void InterruptServiceHigh(void);

#pragma code InterruptVectorHigh = 0x08

void InterruptVectorHigh (void)

{

  _asm

    goto InterruptServiceHigh //jump to interrupt routine

  _endasm

}

int println(char buf[]) {

  int i;

  for (i = 0; i<20; i++) {

    while(!TXSTAbits.TRMT) {}

    while(!PIR1bits.TXIF){}  

      TXREG = buf[i];  

}

}

void main(void) {

char test[16]= "Ich bin ein PIC!\n";

OSCCON= 0b01010011; //4MHz

OSCTUNEbits.PLLEN = 0;  // x4 PLL disabled

SPBRG = 0b00011001; // für 9600er Baudrate

SPBRGH = 0x00;  

TRISC=0b11000000; // RX and TX enable  

BAUDCON = 0b11100000;

ANSEL = 0b00000000;

ANSELH = 0b00000000;

TXSTAbits.SYNC = 0;

TXSTAbits.BRGH = 1;

TXSTAbits.TX9 = 0;

TXSTAbits.TX9D = 0;

TXSTAbits.TXEN = 1;

RCSTAbits.SPEN = 1;

RCSTAbits.RX9 = 0;

RCSTAbits.CREN = 1;

RCSTAbits.ADDEN = 0;

PIE1bits.RCIE = 1;

INTCONbits.GIEL = 1;

INTCONbits.GIEH = 1;

INTCONbits.PEIE = 1;

TRISC=0b10011111; // RX and TX enablen

TRISD=0b00000000;

LATD = 0x00;

println (test);

Delay1KTCYx(30);

 while(1) {

}

}

#pragma interrupt InterruptServiceHigh  

void InterruptServiceHigh(void)

{

  if (PIR1bits.RCIF)

  { 

    int zahl = 0;

  zahl = RCREG;

   while(!PIR1bits.TXIF)

   {}

        Delay1KTCYx(10);

       TXREG = zahl; 

    LATD = zahl;

    PIR1bits.RCIF = 0;

}

}