#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT11
#include <Wire.h>
#include "rgb_lcd.h"

int NTC = A0;//NTC SKAL BRUKES I HONNINGLAGERET
// DHT BRUKER D2
const int B = 3975;


rgb_lcd lcd;
const int colorR = 50;
const int colorG = 50;
const int colorB = 50;

DHT dht(DHTPIN, DHTTYPE);



void setup() {
Serial.begin(9600);
dht.begin();

pinMode(4, OUTPUT); // RØD
pinMode(5, OUTPUT); // GRØNN
pinMode(6, OUTPUT); // BLÅ


lcd.begin(16, 4);
lcd.setRGB(colorR, colorG, colorB);

}

void loop() {

// NTC

int maalinger = 0;
maalinger = analogRead(NTC);
Serial.print("Verdi: ");
Serial.println(maalinger);
float resistance = (float)(1023-maalinger)*10000/maalinger;
float temp = 1/(log(resistance/10000)/B+1/298.15)-273.15;
Serial.print("C :");
Serial.println(temp, 1);


// DHT
 int h = dht.readHumidity();
 // Read temperature as Celsius (the )
 float t = dht.readTemperature();
 // Read temperature as Fahrenheit (isFahrenheit = true)
 float f = dht.readTemperature(true);

 // Check if any reads failed and exit early (to try again).
 if (isnan(h) || isnan(t) || isnan(f)) {
 Serial.println(F("Failed to read from DHT sensor!"));
 return;}

 // Compute heat index in Fahrenheit (the default)
 float hif = dht.computeHeatIndex(f, h);
 // Compute heat index in Celsius (isFahreheit = false)
 float hic = dht.computeHeatIndex(t, h, false);

 Serial.print(F("fuktighet slyngerom: "));
 Serial.print(h);
 Serial.println(" %");


 Serial.print(F("Temperatur slyngerom: "));
 Serial.print("C: ");
 Serial.println(t, 0);
 Serial.println(" ");

lcd.setCursor(0, 0);
lcd.print((char)223); // dotten
lcd.print("C:");
lcd.print(temp, 1);
lcd.setCursor(1, 1);
lcd.print("fukt:");
lcd.print(h);
lcd.print("%");
lcd.print(" ");
lcd.print("C:");
lcd.print(t, 0);

 /*  diode delen
  *
  *  NTC variaber honning rom
  *  temperatur variabel = temp
  *
  *  DHT variabler slynge rom
  *  fuktighet variabel = h
  *  temperature variabel = t
  *
  *  slyngerom krav
  *  temperature mellom 22-30 grader
  *  fuktighet under 60 %
  *
  *  honningrom krav
  *  under 20 grader
 */
 if(temp > 20){ // temperatur honningrom
  digitalWrite(4, HIGH); //rød
 }
 else {
  digitalWrite(5, HIGH); // grønn
 }
 if(h < 60){ // fuktighet slyngerom
  digitalWrite(4, HIGH); //rød
 }
 else {
digitalWrite(5, HIGH); // grønn
 }

 if(t < 22){ // temperatur slynge rom
  digitalWrite(6, HIGH); //blå
 }
 else if(t > 22 && t < 30){
  digitalWrite(5, HIGH); // grønn
 }
 else{
  digitalWrite(4, HIGH); // rød
 }

 delay(1000);
}