#include <Keypad.h>
#include <Wire.h>
#include <EEPROM.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#define DHTPIN 1
#define DHTTYPE DHT22
LiquidCrystal_I2C lcd(0x27,16,2);
DHT dht(DHTPIN,DHTTYPE);
int relay1 = 11;
//int Min,Max;
const byte ROWS = 4;
const byte COLS = 4;

char Keys[ROWS][COLS] ={
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','c'},
  {'*','0','#','D'}
  };
byte rowPins[ROWS] = {9,8,7,6};
byte colPins[COLS] = {5,4,3,2};
Keypad customKeypad = Keypad(makeKeymap(Keys),rowPins,colPins,ROWS,COLS);
char BufNum[0];
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(relay1, OUTPUT);

lcd.init();
dht.begin();
lcd.backlight();

digitalWrite(relay1, HIGH);

//lcd.begin();
//lcd.setCursor(0,0);lcd.print("T=     C");
//lcd.setCursor(9,0);lcd.print("H=     %");
//lcd.setCursor(0,1);lcd.print("S_t=   %S_h=   %");


//Min = EEPROM.read(0);
//Max = EEPROM.read(1);

//lcd.setCursor(4,1); lcd.print(Min);
//lcd.setCursor(11,1); lcd.print(Max);

}


void loop() {
  // put your main code here, to run repeatedly:
float h,t;
//char customKey = customKeypad.getKey();
int Num;
Num = GetNum(2,5,1);
lcd.setCursor(12,1);
lcd.print(Num);

//h = dht.readHumidity();
//t = dht.readTemperature();
//lcd.setCursor(0,0);
//lcd.print("T=         ");
//lcd.setCursor(4,0);
//lcd.print(t);
//lcd.print("C");
//lcd.setCursor(8,0);
//lcd.print("H= ");
//lcd.print(h);
//lcd.print("%");

//lcd.setCursor(0,1);
//lcd.print("T= ");

//lcd.setCursor(8,1);
//lcd.print("H= ");



/*while(customKey== NO_KEY){
h = dht.readHumidity();
t = dht.readTemperature();

lcd.setCursor(0,3);lcd.print(t);
lcd.setCursor(0,12);lcd.print(h);

//if(h > Min){digitalWrite(relay1,LOW);}
//if(h < Max){digitalWrite(relay1,HIGH);}
}*/


/*if (customKey == '*'){
  lcd.setCursor(4,1);
  lcd.blink();
  Min = bufNum(2,5,1);
  EEPROM.write(0,Min);
  Max = bufNum(2,12,1);
  EEPROM.write(1,Max);
  lcd.noBlink(); 

}*/






/*if (customKey == '1'){
  
  digitalWrite(relay1, LOW);

  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("P1");
  lcd.setCursor(3,0);
  lcd.print("ON");

}
if (customKey == '0'){
 digitalWrite(relay1, HIGH);

lcd.clear();
  
/*   lcd.setCursor(3,0);
 // lcd.print("All Close");
}
//if (customKey){
 // Serial.println(comtomKey);
}*/
}  
void SlideNum(void){
BufNum(6) = BufNum(5);
BufNum(5) = BufNum(4);
BufNum(4) = BufNum(3);
BufNum(3) = BufNum(2);
BufNum(2) = BufNum(1);
BufNum(1) = BufNum(0);
}
unsigned long GetNum(int Count, int X,int Y);
{
  char Key,i,N;
  int Sum;
  lcd.setCursor(X+(Count-1),Y);
  N=0;
  for(i=0;i<Count;i++)(BufNum[i] = '  ';)
while(Key != '#')
{Key = NO_KEY;
     while(Key == NO_KEY){Key = keypad.getkey();}
     if(Key == '*'){for(i=0;i<Count;i++;)}{BufNum[i] ='' ;}N=0;}
     if{(N<4)&&(Key >='0')&&(Key<='9')}
     { SlideNum();
        BufNum[0] = Key;
        N++;}
        lcd.setCursor(X,Y);
        for(i=0;i<Count;i++;){lcd.print(BufNum[Count-(i+1)]);}
        lcd.setCursor(X+(Count-1),Y);

}
Sum = 0;
for(i=0;i<Count;i++;)
{
  if(BufNum[Count-(i+1)]==0x20){BufNum[Count-(i+1)]='0';}
  Sum = (Sum*10)+(BufNum[Count-(i+1)]-'0');  
}
lcd.noCursor();
return(Sum);

}