LCD Display reaktivieren, Fleury funktioniert nicht

#define XTAL 4000000              /**< clock frequency in Hz, used to calculate delay timer */

/**

 * @name  Definition for LCD controller type

 * Use 0 for HD44780 controller, change to 1 for displays with KS0073 controller.

 */

#define LCD_CONTROLLER_KS0073 1  /**< Use 0 for HD44780 controller, 1 for KS0073 controller */

/** 

 *  @name  Definitions for Display Size 

 *  Change these definitions to adapt setting to your display

 */

#define LCD_LINES           2     /**< number of visible lines of the display */

#define LCD_DISP_LENGTH    16     /**< visibles characters per line of the display */

#define LCD_LINE_LENGTH  0x40     /**< internal line length of the display    */

#define LCD_START_LINE1  0x00     /**< DDRAM address of first char of line 1 */

#define LCD_START_LINE2  0x40     /**< DDRAM address of first char of line 2 */

#define LCD_START_LINE3  0x14     /**< DDRAM address of first char of line 3 */

#define LCD_START_LINE4  0x54     /**< DDRAM address of first char of line 4 */

#define LCD_WRAP_LINES      0     /**< 0: no wrap, 1: wrap at end of visibile line */

#define LCD_IO_MODE      1         /**< 0: memory mapped mode, 1: IO port mode */

#if LCD_IO_MODE

#define LCD_PORT         PORTA        /**< port for the LCD lines   */

#define LCD_DATA0_PORT   LCD_PORT     /**< port for 4bit data bit 0 */

#define LCD_DATA1_PORT   LCD_PORT     /**< port for 4bit data bit 1 */

#define LCD_DATA2_PORT   LCD_PORT     /**< port for 4bit data bit 2 */

#define LCD_DATA3_PORT   LCD_PORT     /**< port for 4bit data bit 3 */

#define LCD_DATA0_PIN    6            /**< pin for 4bit data bit 0  */

#define LCD_DATA1_PIN    5            /**< pin for 4bit data bit 1  */

#define LCD_DATA2_PIN    4            /**< pin for 4bit data bit 2  */

#define LCD_DATA3_PIN    3            /**< pin for 4bit data bit 3  */

#define LCD_RS_PORT      LCD_PORT     /**< port for RS line         */

#define LCD_RS_PIN       0            /**< pin  for RS line         */

#define LCD_RW_PORT      LCD_PORT     /**< port for RW line         */

#define LCD_RW_PIN       1            /**< pin  for RW line         */

#define LCD_E_PORT       LCD_PORT     /**< port for Enable line     */

#define LCD_E_PIN        2            /**< pin  for Enable line     */

#include "lcd.h"

#include <util/delay.h>

#include <avr/io.h>

int main(void)

  {

  _delay_ms(2000);

      /* Initialisiere Display, Cursor aus */

      lcd_init(LCD_DISP_ON);

      _delay_ms(2000);

      /* loesche das LCD Display und Cursor auf 1 Zeile, 1 Spalte */

      lcd_clrscr();

      /* String auf Display anzeigen */

      lcd_puts("Hello world.");

      lcd_data( 'T' );

      _delay_ms(2000);

      while(1) {                // (5)

          /* "leere" Schleife*/   // (6)

        }                         // (7)

        /* wird nie erreicht */

        return 0;

}