#include <Wire.h>
#include <TimeLib.h>
#include <DS1307RTC.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(9600);
  //while (!Serial) ; // wait for serial
  delay(200);
  Serial.println("DS1307RTC Read Test");
  Serial.println("-------------------");

  lcd.init(); 
  lcd.backlight();

}

void loop() {
  tmElements_t tm;

  if (RTC.read(tm)) {
    Serial.print("Ok, Time = ");
    print2digits(tm.Hour);
    Serial.write(':');
    print2digits(tm.Minute);
    Serial.write(':');
    print2digits(tm.Second);
    //Serial.print(", Date (D/M/Y) = ");
    //Serial.print(tm.Day);
    //Serial.write('/');
    //Serial.print(tm.Month);
    //Serial.write('/');
    //Serial.print(tmYearToCalendar(tm.Year));
    Serial.println();
  } else {
    if (RTC.chipPresent()) {
      Serial.println("The DS1307 is stopped.  Please run the SetTime");
      Serial.println("example to initialize the time and begin running.");
      Serial.println();
    } else {
      Serial.println("DS1307 read error!  Please check the circuitry.");
      Serial.println();
    }
    delay(9000);
  }
  delay(1000);


lcd.setCursor(0, 0);//Hier wird die Position des ersten Zeichens festgelegt. In diesem Fall bedeutet (0,0) das erste Zeichen in der ersten Zeile. 
//lcd.print("Funduino GmbH"); 

lcd.print("Es ist ");

//=======================================================================================================//|   
//                                                                                                       //|   
//  Abfrage Minuten                                                                                      //|
//                                                                                                       //|   
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//|  


  if(tm.Minute<3){
lcd.print("");
 }else if (tm.Minute>=3 && tm.Minute<8){
lcd.print("5 nach");
 }else if (tm.Minute>=8 && tm.Minute<13){
lcd.print("10 nach");
 }else if (tm.Minute>=13 && tm.Minute<18){
lcd.print("viertel nach");
 }else if (tm.Minute>=18 && tm.Minute<23){
lcd.print("20 nach");
 }else if (tm.Minute>=23 && tm.Minute<28){
lcd.print("5 vor halb");
 }else if (tm.Minute>=28 && tm.Minute<33){
lcd.print("halb");

 }else if (tm.Minute>=33 && tm.Minute<38){
lcd.print("5 nach halb");
 }else if (tm.Minute>=38 && tm.Minute<43){
lcd.print("20 vor");
 }else if (tm.Minute>=43 && tm.Minute<48){
lcd.print("dreiviertel");
 }else if (tm.Minute>=48 && tm.Minute<53){
lcd.print("10 vor");
 }else if (tm.Minute>=53){
lcd.print("5 vor");
 }                                   
lcd.print(" ");

//=======================================================================================================//|   
//                                                                                                       //|   
//  Abfrage Stunden                                                                                      //|
//                                                                                                       //|   
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//|  

if (tm.Hour > 12)
    tm.Hour -= 12;
  if (tm.Hour == 0)
    tm.Hour = 12;



 if(tm.Hour==1 && tm.Minute<25){
 lcd.print("eins");
 }else if (tm.Hour==1 && tm.Minute>=25){
lcd.print("zwei");
}


 if(tm.Hour==2 && tm.Minute<25){
 lcd.print("zwei");
 }else if (tm.Hour==2 && tm.Minute>=25){
lcd.print("drei");
}

 if(tm.Hour==3 && tm.Minute<25){
 lcd.print("drei");
 }else if (tm.Hour==3 && tm.Minute>=25){
lcd.print("vier");
}

 if(tm.Hour==4 && tm.Minute<25){
 lcd.print("vier");
 }else if (tm.Hour==4 && tm.Minute>=25){
lcd.print("fuenf");
}


 if((tm.Hour==5) && (tm.Minute<25)){
 lcd.print("fuenf");
 }
 
if ((tm.Hour==5 && tm.Minute>=25)){
lcd.print("sechs");
}

if((tm.Hour==6) && (tm.Minute<25)){
 lcd.print("sechs");
 }

if ((tm.Hour==6) && (tm.Hour>=25)){
lcd.print("sieben");
}

if((tm.Hour==7) && (tm.Minute<25)){
 lcd.print("sieben");
 }
 
 if ((tm.Hour==7) && (tm.Minute>=25)){
lcd.print("acht");
}

 if(tm.Hour==8 && tm.Minute<25){
 lcd.print("acht");
 }else if (tm.Hour==8 && tm.Minute>=25){
lcd.print("neun");
}

 if(tm.Hour==9 && tm.Minute<25){
 lcd.print("neun");
 }else if (tm.Hour==9 && tm.Minute>=25){
lcd.print("zehn");
}

 if(tm.Hour==10 && tm.Minute<25){
 lcd.print("zehn");
 }else if (tm.Hour==10 && tm.Minute>=25){
lcd.print("elf");
}

 if(tm.Hour==11 && tm.Minute<25){
 lcd.print("elf");
 }else if (tm.Hour==11 && tm.Minute>=25){
lcd.print("zwölf");
}

 if(tm.Hour==12 && tm.Minute<25){
 lcd.print("zwölf");
 }else if (tm.Hour==12 && tm.Minute>=25){
lcd.print("eins");
}







lcd.setCursor(0, 1);// In diesem Fall bedeutet (0,1) das erste Zeichen in der zweiten Zeile. 
if (tm.Hour < 10) lcd.print('0');
lcd.print(tm.Hour);
lcd.print(":");
lcd.print(tm.Minute);
lcd.print(":");
if (tm.Second < 10) lcd.print('0');
lcd.print(tm.Second);



}

void print2digits(int number) {
  if (number >= 0 && number < 10) {
    Serial.write('0');
  }
  Serial.print(number);
}