Programm stoppt Ausführung

#include <avr/io.h>

#include <avr/interrupt.h>

#include "drvTimer.h"

#define DELAY_IN_MS  150

#define ENABLE_COUNTER  1

#define DISABLE_COUNTER  0

volatile int16_t timer_blink = 0;

volatile int16_t delayCounter = 0;

volatile uint8_t enableCounter = DISABLE_COUNTER;

void initTimer(void)

{

  TCC0.CTRLA = TC_CLKSEL_DIV1024_gc; // Presacler 1024

  TCC0.CTRLB = 0x00; // select Modus: Normal

  TCC0.PER = 32; // Zähler Top-Wert 1000 Hz

  TCC0.CNT = 0x00; // Zähler zurücksetzen

  TCC0.INTCTRLA = 0b00000011; // Interrupt Highlevel

  timer_blink = DELAY_IN_MS;

}

void setEnableCounter(uint8_t enable)

{

  enableCounter = enable;  

}

uint8_t getEnableCounter(void)

{

  return enableCounter;

}

void waitForFinish(uint8_t enableTime)

{

  delayCounter = enableTime;

  setEnableCounter(ENABLE_COUNTER);

  while(enableCounter);

}

ISR(TCC0_OVF_vect)

{

  timer_blink--; 

  if(timer_blink <= 0) 

  {    

    PORTC.OUTTGL = PIN1_bm;

    timer_blink = DELAY_IN_MS;  

  }

  if(enableCounter)

  {

    delayCounter--;

    if (delayCounter <= 0)

    {

      enableCounter = DISABLE_COUNTER;

    }

  }

}