#include "DHT.h"
#include <LiquidCrystal_I2C.h>
#include <OneWire.h> //library OneWire
#include <DallasTemperature.h> //library DS18B20
#include <DS3231.h> //mengincludekan library DS3231
#include <Wire.h> 
#include <ezButton.h>


#define DHTPIN 3 // definisikan pin yang digunakan utk sensor DHT11
#define DHTTYPE DHT11 // DHT 11 // Saat ini yang dipilih adalah DHT11
#define ONE_WIRE_BUS 2 // pin data DS18B0 konek ke pin 2 Arduino UNO
#define buz 11
#define IN1 7 // deklarasi pin IN1
#define IN2 6  // deklarasi pin IN2
#define IN3 10 // deklarasi pin IN3
#define IN4 11  // deklarasi pin IN4
#define ENA 4 // deklarasi pin ENA
#define PB1 8 // Push Button Set
#define PB2 9 //Push Button +
#define PB3 22 // Push Button Manual

//ezButton limitSwitch(22); //limitswith pin 22
LiquidCrystal_I2C lcd(0x23, 16, 2);
LiquidCrystal_I2C lcd1(0x27, 16, 2);
OneWire oneWire(ONE_WIRE_BUS);// Setup komunikasi one wire  
DallasTemperature sensors(&oneWire); // mereferensikan sensor ke library one wire
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600); 
  Serial.println("DHTxx test!");
  pinMode(PB1, INPUT_PULLUP);                      // button1 is connected to pin 8
  pinMode(PB2, INPUT_PULLUP);                      // button2 is connected to pin 9
  pinMode(PB3, INPUT_PULLUP);                      // button1 is connected to pin 22
  pinMode(IN1, OUTPUT); 
  pinMode(IN2, OUTPUT);
  pinMode(IN3, OUTPUT); 
  pinMode(IN4, OUTPUT);
  pinMode(ENA, OUTPUT);
  dht.begin();
  lcd.begin(20,4);
  lcd1.begin(20,4);
  lcd.backlight();
  sensors.begin();
  //limitSwitch.setDebounceTime(50); // set debounce time to 50 milliseconds
  Wire.begin();
  //setting pertama download program
  //rtc.setDate(02, 07, 2022);   //mensetting tanggal 07 april 2018
  //rtc.setTime(9, 30, 00);     //menset jam 22:00:00
  // rtc.setDOW(2);     //menset hari "Sabtu"
  //setelah didownload awal selesai, download kedua dengan memberi tanda komen "//"
}

char Time[]     = "TIME:  :  :  ";
char Calendar[] = "DATE:  /  /20  ";
byte i, second, minute, hour, date, month, year;
 
void DS1307_display(){
  // Convert BCD to decimal
  second = (second >> 4) * 10 + (second & 0x0F);
  minute = (minute >> 4) * 10 + (minute & 0x0F);
  hour   = (hour >> 4)   * 10 + (hour & 0x0F);
  date   = (date >> 4)   * 10 + (date & 0x0F);
  month  = (month >> 4)  * 10 + (month & 0x0F);
  year   = (year >> 4)   * 10 + (year & 0x0F);
  // End conversion
  Time[12]     = second % 10 + 48;
  Time[11]     = second / 10 + 48;
  Time[9]      = minute % 10 + 48;
  Time[8]      = minute / 10 + 48;
  Time[6]      = hour   % 10 + 48;
  Time[5]      = hour   / 10 + 48;
  Calendar[14] = year   % 10 + 48;
  Calendar[13] = year   / 10 + 48;
  Calendar[9]  = month  % 10 + 48;
  Calendar[8]  = month  / 10 + 48;
  Calendar[6]  = date   % 10 + 48;
  Calendar[5]  = date   / 10 + 48;
  lcd1.setCursor(0, 0);
  lcd1.print(Time);                               // Display time
  lcd1.setCursor(0, 1);
  lcd1.print(Calendar);                           // Display calendar
  Serial.print(minute);
}

void blink_parameter(){
  byte j = 0;
  while(j < 10 && digitalRead(PB1) && digitalRead(PB2)){
    j++;
    delay(25);
  }
}
byte edit(byte x, byte y, byte parameter){
  char text[3];
  while(!digitalRead(PB1));                        // Wait until button (pin #8) released
  while(true){
    while(!digitalRead(PB2)){                      // If button (pin #9) is pressed
      parameter++;
      if(i == 0 && parameter > 23)               // If hours > 23 ==> hours = 0
        parameter = 0;
      if(i == 1 && parameter > 59)               // If minutes > 59 ==> minutes = 0
        parameter = 0;
      if(i == 2 && parameter > 31)               // If date > 31 ==> date = 1
        parameter = 1;
      if(i == 3 && parameter > 12)               // If month > 12 ==> month = 1
        parameter = 1;
      if(i == 4 && parameter > 99)               // If year > 99 ==> year = 0
        parameter = 0;
      sprintf(text,"%02u", parameter);
      lcd1.setCursor(x, y);
      lcd1.print(text);
      delay(200);                                // Wait 200ms
    }
    lcd1.setCursor(x, y);
    lcd1.print("  ");                             // Display two spaces
    blink_parameter();
    sprintf(text,"%02u", parameter);
    lcd1.setCursor(x, y);
    lcd1.print(text);
    blink_parameter();
    if(!digitalRead(PB1)){                         // If button (pin #8) is pressed
      i++;                                       // Increament 'i' for the next parameter
      return parameter;                          // Return parameter value and exit
    }
  }
}

void loop() {
  
  if(!digitalRead(PB1)){                           // If button (pin #8) is pressed
      i = 0;
      hour   = edit(5, 0, hour);
      minute = edit(8, 0, minute);
      date   = edit(5, 1, date);
      month  = edit(8, 1, month);
      year   = edit(13, 1, year);
      // Convert decimal to BCD
      minute = ((minute / 10) << 4) + (minute % 10);
      hour = ((hour / 10) << 4) + (hour % 10);
      date = ((date / 10) << 4) + (date % 10);
      month = ((month / 10) << 4) + (month % 10);
      year = ((year / 10) << 4) + (year % 10);
      // End conversion
      // Write data to DS1307 RTC
      Wire.beginTransmission(0x68);               // Start I2C protocol with DS1307 address
      Wire.write(0);                              // Send register address
      Wire.write(0);                              // Reset sesonds and start oscillator
      Wire.write(minute);                         // Write minute
      Wire.write(hour);                           // Write hour
      Wire.write(1);                              // Write day (not used)
      Wire.write(date);                           // Write date
      Wire.write(month);                          // Write month
      Wire.write(year);                           // Write year
      Wire.endTransmission();                     // Stop transmission and release the I2C bus
      delay(200);                                 // Wait 200ms
    }
    Wire.beginTransmission(0x68);                 // Start I2C protocol with DS1307 address
    Wire.write(0);                                // Send register address
    Wire.endTransmission(false);                  // I2C restart
    Wire.requestFrom(0x68, 7);                    // Request 7 bytes from DS1307 and release I2C bus at end of reading
    second = Wire.read();                         // Read seconds from register 0
    minute = Wire.read();                         // Read minuts from register 1
    hour   = Wire.read();                         // Read hour from register 2
    Wire.read();                                  // Read day from register 3 (not used)
    date   = Wire.read();                         // Read date from register 4
    month  = Wire.read();                         // Read month from register 5
    year   = Wire.read();                         // Read year from register 6
    DS1307_display();                             // Diaplay time & calendar
    delay(50);                                    // Wait 50ms

  // Baca humidity dan temperature
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  //int state = limitSwitch.getState();
  //limitSwitch.loop(); // MUST call the loop() function first

  // Cek hasil pembacaan, dan tampilkan bila ok
  if (isnan(t) || isnan(h)) {
    Serial.println("Failed to read from DHT");
  } else {
    Serial.print("Humidity: ");//kelembaban
    Serial.print(h);
    Serial.print(" %t");
    Serial.print("Temperature: "); 
    Serial.print(t);
    Serial.println(" *C");
  }

  //LCD1
  //Sensor DHT11
  sensors.requestTemperatures();
  lcd.setCursor(0,0);
  lcd.print("Humidity:");
  lcd.setCursor(9,0);
  lcd.print(h);
  lcd.setCursor(15,0);
  lcd.print("%");
  lcd.setCursor(0,1);
  lcd.print("T1:");
  lcd.setCursor(3,1);
  lcd.print(t,1);
  lcd.setCursor(8,1);
  lcd.print("T2:");
  lcd.setCursor(11,1);
  lcd.print(sensors.getTempCByIndex(0));
  lcd.setCursor(15,1);
  lcd.print("C");
  
  //MOTOR_OTOMATIS
  if(date==10 && hour==07 && minute==00 && second== 00 || date==20 && hour==07 && minute==00 && second== 00 || date==30 && hour==07 && minute==00 && second== 00){
    digitalWrite(IN1, HIGH);
    digitalWrite(IN2, LOW);
    analogWrite(ENA, 150);
    Serial.print("Motor ON");
    delay (30000);
    digitalWrite(IN1, LOW);
    digitalWrite(IN2, LOW);
    analogWrite(ENA, 0);
      /*if(state == LOW){
        Serial.println("The limit switch: TOUCHED");
        digitalWrite(IN1, LOW);
        digitalWrite(IN2, LOW);
        digitalWrite(ENA, 0);
        Serial.print("Motor ON");
        }*/
    }
  else{
    digitalWrite(IN1, LOW);
    digitalWrite(IN2, LOW);
    analogWrite(ENA, 0);
    Serial.print("Motor OFF");
    }

  //MOTOR_MANUAL
  if(!digitalRead(PB3)){
    Serial.print("PB3_ON");
    digitalWrite(IN1, LOW);
    digitalWrite(IN2, HIGH);
    analogWrite(ENA, 200);
    }
  

  //POMPA AIR
  digitalWrite(IN3, HIGH);
  digitalWrite(IN4, LOW);
  delay (300000);
  digitalWrite(IN3, LOW);
  digitalWrite(IN4, LOW);
  
  /*Sensor DS18B20
  sensors.requestTemperatures(); //kirim perintah ke sensor
  lcd.setCursor(0,0);
  lcd.print(" Sensor DS18B20");//tampilan baris 1
  lcd.setCursor(0,1);//set ke baris 2
  lcd.print("Temp  :");//tampilan baris 2
  lcd.setCursor(7,1);//set ke baris 2 kolom 4
  lcd.print(sensors.getTempCByIndex(0));//ambil data suhu dan tampilkan hasilnya ke LCD
  lcd.print(" C ");//Celcius  
  delay(5000);//tunda 1 detik
  lcd.clear();
  delay(1000);*/


}