/************************************************************************************
   Title: temp_sensor.ino
   ---------------------------------------------------------------------------------
   Description -  to use in the modular sidewalk project. This code uses a sens-73
                  temperature sensor.
   Date         Version    Changes
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   03/10/2021   1.0.0      Code creation
   03/11/2021   1.0.1      Testing and debugging
   03/13/2021   1.1.0      Implementation of LEDS
 ***********************************************************************************/

//Library inclusions
#include <OneWire.h>
#include <DallasTemperature.h>
#include <dht.h>
dht DHT;
#define analog_pin A1

// signal of the temperature sensor connected to pin 7
#define DATA 7

OneWire oneWire(DATA);

int greenLED = 5;
int redLED = 7;
int cable = 4;
int heaton = 8;

DallasTemperature sensors(&oneWire);

void setup(void)
{
  Serial.begin(9600);
  sensors.begin();
  pinMode(greenLED, OUTPUT);
  pinMode(redLED, OUTPUT);
  pinMode(cable, OUTPUT);
  pinMode(heaton, OUTPUT);
}

void loop(void)
{
   
  int chk = DHT.read11(analog_pin);

  Serial.print("Celsius temperature: ");
  Serial.println(DHT.temperature);
  delay(2000);
  Serial.println(analogRead(0));

  // Temperature lower than 0oc and snows - it is on
  if (DHT.temperature < 1 || analogRead(0) < 400) {
    Serial.println("Heating on");
    digitalWrite(cable, HIGH); 
    delay(1200);
  }

  
  if (DHT.temperature > 1 && analogRead(0) < 400) {
    Serial.println("Heating on");
    digitalWrite(cable, HIGH);
    delay(60);
  }

  // Temperature higher than 0oC and not snow - it is off
  if (DHT.temperature >= 0 && analogRead(0) >= 400) {
    Serial.println("Heating off");
    digitalWrite(cable, LOW);
    delay(500);
  }
  delay(100);
  heatmaton();
}
void heatmaton()
{ 
  while(!(DHT.temperature >= 0 && analogRead(0) >= 400)){
    digitalWrite(heaton, HIGH);
    delay(1500);
    digitalWrite(heaton, LOW);
    delay(1500);
  }
}