/**
  Basic NTC Thermistor demo
  https://wokwi.com/arduino/projects/299330254810382858
 
  Assumes a 10K@25℃ NTC thermistor connected in series with a 10K resistor.
 
  Copyright (C) 2021, Uri Shaked
*/
 
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

const float BETA = 3950; // should match the Beta Coefficient of the thermistor
const float BETA2 = 3950;
//const float celsius2 = 0;
const int pompa = 6;
const int su = 7;
const int giu = 8;
const int ok = 9;
const int indietro = 10;
const int menu = 13;
const int accensione = 15;
const int candeletta = 16;
const int termostato = 18;
int varpompa = 0;
int varsu = 0;
int vargiu = 0;
int varok = 0;
int varindietro = 0;
int varmenu = 0; 
int on = LOW;
int acceso = 0;
int term = 0;
//int candeletta = 0;

void setup() {
  pinMode (accensione, INPUT);
  pinMode (termostato, INPUT);
  pinMode (candeletta, OUTPUT);
  Serial.begin(9600);
  lcd.begin(16, 2);
 }
 
void loop() {   //da rivedere
  term = digitalRead(termostato);
  if (term == HIGH)
  {
  poweron:  //accensione
  int analogValue2 = analogRead(A3);
  float celsius2 = 1 / (log(1 / (1023. / analogValue2 - 1)) / BETA2 + 1.0 / 298.15) - 273.15;
  /*Serial.print("Temperature: ");
  Serial.print(celsius2);
  Serial.println(" ℃");*/
  on = digitalRead(accensione);
  while (celsius2<= 50)
  {
    if (on == HIGH)
    {
    digitalWrite (candeletta, HIGH );
    int analogValue2 = analogRead(A3);
    float celsius2 = 1 / (log(1 / (1023. / analogValue2 - 1)) / BETA2 + 1.0 / 298.15) - 273.15;
    on = LOW ;
    delay(50);
    /*Serial.print("Temperature: ");
    Serial.print(celsius2);
    Serial.println(" ℃");*/
    } 
    else
  { 
   // on = LOW ;
    goto poweron;
  }
}
  /*while (on == 0 )
  {
   on = digitalRead(accensione);
  if (on == HIGH )
  {digitalWrite (candeletta, HIGH );} 
  }*/
  temp:
  lcd.setCursor(0, 1);
  lcd.print("                   ");
  lcd.setCursor(8, 0);
  lcd.print("      ");
  varmenu = digitalRead(menu);
  if (varmenu == HIGH)
  {
    varindietro = 0;
    while (varindietro == 0)
    {
    lcd.setCursor(1, 0);
    lcd.print("temperatura");
    varindietro = digitalRead(indietro);
    varmenu = 0; 
    varsu = digitalRead(su);
    vargiu = digitalRead(giu); 
    if (varsu == HIGH)
    {goto pippo;}
         
   }
  }
  on = digitalRead(accensione);
  if (on == HIGH )
  {digitalWrite (candeletta, HIGH );}
  else
  {digitalWrite (candeletta, LOW );}
  int analogValue = analogRead(A0);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.print("Temperature: ");
  Serial.print(celsius);
  Serial.println(" ℃");
  lcd.setCursor(1, 0);
	lcd.print(celsius);
  lcd.write(0xdf);
  lcd.print("C");
  if (celsius>= 45)
  {
    digitalWrite(pompa, HIGH);
  }
  else
  {
    digitalWrite(pompa, LOW);
  }
  delay(1000);
  goto temp;
   pippo:                           // gestione con salto
  varindietro = 0;
    while (varindietro == 0)
    {
    lcd.setCursor(0, 1);
    lcd.print("ivano"); 
    varindietro = digitalRead(indietro);
    varmenu = 0; 
    varsu = digitalRead(su);
    vargiu = digitalRead(giu);
    }
  }
}



/*#include <LiquidCrystal.h>

float Vin=5.0;     // [V]        
float Rt=10000;    // Resistor t [ohm]
float R0=10000;    // value of rct in T0 [ohm]
float T0=298.15;   // use T0 in Kelvin [K]
float Vout=0.0;    // Vout in A0 
float Rout=0.0;    // Rout in A0
// use the datasheet to get this data.
float T1=273.15;      // [K] in datasheet 0º C
float T2=373.15;      // [K] in datasheet 100° C
float RT1=35563;   // [ohms]  resistence in T1
float RT2=549;    // [ohms]   resistence in T2
float beta=0.0;    // initial parameters [K]
float Rinf=0.0;    // initial parameters [ohm]   
float TempK=0.0;   // variable output
float TempC=0.0;   // variable output

LiquidCrystal lcd(12,11,5,4,3,2);

void setup() {
  lcd.begin(16,2);
  pinMode(0, INPUT);

  //parâmetros
  beta=(log(RT1/RT2))/((1/T1)-(1/T2));
  Rinf=R0*exp(-beta/T0);
}

void loop()
{
  Vout=Vin*((float)(analogRead(0))/1024.0); // calc for ntc
  Rout=(Rt*Vout/(Vin-Vout));

  TempK=(beta/log(Rout/Rinf)); // calc for temperature
  TempC=TempK-273.15;

    lcd.setCursor(0,0);
    lcd.print("Temperature: ");
    lcd.setCursor(0,1);
    lcd.print(TempC);
    lcd.write(0xdf); // to display °
    lcd.print("C  ");
    lcd.print((TempC * 9)/5 + 32); // C to F
    lcd.write(0xdf);
    lcd.print("F");
    delay(1200);
}
*/