[Launchpad] Programm funktioniert nur in debug session

#include  "msp430x20x2.h"

#define   NUMBER_OF_BURSTS    16

#define     IR_LED                BIT0

#define   LED_2          BIT6

#define     LED_DIR               P1DIR

#define     LED_OUT               P1OUT

#define     BUTTON_1              BIT3

#define    BUTTON_2        BIT4

#define   BUTTON_OUT        P1OUT

#define   BUTTON_REN        P1REN

#define   BUTTON_IN        P1IN

#define     BUTTON_DIR            P1DIR

#define     BUTTON_IE             P1IE

#define     BUTTON_IES            P1IES

#define     BUTTON_IFG            P1IFG

void SendBursts(void)

{

  unsigned char i=0;

  for (i=0; i < NUMBER_OF_BURSTS*2; i++)

  {

    __delay_cycles(2);

    LED_OUT ^= IR_LED;

  }

  LED_OUT &=~ IR_LED;

}

void SendImmediateShutter (void)

{

  SendBursts();

  __delay_cycles(8000);

  SendBursts();

}

void Send2sDelayedShutter (void)

{

  SendBursts();

  __delay_cycles(5600);

  SendBursts();

}

void InitializeButton(void)                 // Configure Push Button 

{

  BUTTON_DIR &= ~(BUTTON_1 + BUTTON_2);

  BUTTON_OUT |= (BUTTON_1 + BUTTON_2);

  BUTTON_REN |= (BUTTON_1 + BUTTON_2);

  BUTTON_IES |= (BUTTON_1 + BUTTON_2);

  BUTTON_IFG &= ~(BUTTON_1 + BUTTON_2);

  BUTTON_IE |= (BUTTON_1 + BUTTON_2);

}

void InitIrLed(void)

{

  LED_DIR |= (IR_LED + LED_2);        //set IR_PORT as output

  LED_OUT &=~ (IR_LED + LED_2);        //ir_led off

}

#pragma vector=PORT1_VECTOR

__interrupt void PORT1_ISR(void)

{    

  BUTTON_IE &= ~(BUTTON_1 + BUTTON_2);            /* Debounce */

  WDTCTL = WDT_ADLY_250;

  IFG1 &= ~WDTIFG;                 /* clear interrupt flag */

  IE1 |= WDTIE;  

  if (BUTTON_IFG == BUTTON_1) SendImmediateShutter();

  if (BUTTON_IFG == BUTTON_2) Send2sDelayedShutter();

  BUTTON_IFG = 0;

}

#pragma vector=WDT_VECTOR

__interrupt void WDT_ISR(void)

{

    IE1 &= ~WDTIE;                   /* disable interrupt */

    IFG1 &= ~WDTIFG;                 /* clear interrupt flag */

    WDTCTL = WDTPW + WDTHOLD;        /* put WDT back in hold state */

    BUTTON_IE |= (BUTTON_1 + BUTTON_2);             /* Debouncing complete */

}

void main ()

{

  WDTCTL = WDTPW + WDTHOLD;    // Stop WDT

  InitIrLed();          //init led

  InitializeButton();        //init_buttons

  __enable_interrupt();           // Enable interrupts.

  while(1)

  {

  }      

}