unsigned char Cursor_GoToXY(unsigned char uchZeile, unsigned char uchSpalte)
{
    const char lines[LINE_ANZ] = {LCD_ADDR_LINE1, LCD_ADDR_LINE2, LCD_ADDR_LINE3, LCD_ADDR_LINE4};
    // return to home
    //
    while((lines[uchZeile]+uchSpalte) != 0)
    {
       LCD_WriteIR(.....);//cursor um 1 nach rechts verschieben
       (lines[uchZeile]+uchSpalte)--;
    }
}


int x=0;
int y=0;

char putchar(char chc)
{

    x++;

    if(x == 20)
    {
       y++;
    }

    if(chc = '\n')
    {

    }

    if(chc == '\t')
    {
       //if()

       Cursor_GoToXY(y,x);
    }

    if(chc == '\b')
    {

    }


    LCD_WriteDR(chc);
    return (chc);
}