STM32F4 Systick und Klassen

#include "Time.h"

#include "LCD.h"

#include <stdio.h>

class_time::class_time()

{

  hundert = 0;

  sekunde = 0;

  minute = 0;

  lcd_write_line( 8, "Konstruktor start!");

}

class_time::~class_time()

{

  lcd_write_line( 8, "Destruktor start!");

}

void class_time::ShowTime()

{

  sprintf(timebuffer, "%d", hundert);

  lcd_write_line( 3, timebuffer);

  sprintf(timebuffer, "%d", sekunde);

  lcd_write_line( 4, timebuffer);

  sprintf(timebuffer, "%d", minute);

  lcd_write_line( 5, timebuffer);

}

void class_time::CountTime()

{

  hundert++;

  if(hundert == 100)

  {

    sekunde++;

    hundert = 0;

    if(sekunde == 60)

    {

      minute++;

      sekunde = 0;

      if(minute == 60)

      {

        minute = 0;

      }

    }

  }

}

#ifndef TIME_H_

#define TIME_H_

class class_time

{

   public:

      class_time(); //Konstruktor

    char timebuffer[20];

    volatile int hundert;

    volatile int sekunde;

    volatile int minute;

    void ShowTime();

    void CountTime();

    virtual ~class_time(); //Destruktor

   private:

      //blank

};

#endif /* TIME_H_ */

#include "Time.h"

class_time A;

extern "C" void xPortSysTickHandler(void)

{

    A.CountTime();

}

#include "Systick.h"

#include "Time.h"

#include "LCD.h"

#include <stdio.h>

int main(void)

{

  SysTick_init();

  lcd_init();

  class_time A;

  while (1)

  {

      //A.CountTime();

      A.ShowTime();

  }

}