// ArduiHome Test code //

#include <SIM900.h>
#include <sms.h>
#include <OneWire.h>
#include <Wire.h>
#include <SoftwareSerial.h>
#include <DallasTemperature.h>
#include <LiquidCrystal_I2C.h>
#define ONE_WIRE_BUS 4 // DS18S20 wired to digital pin 4, same bus for all sensors



LiquidCrystal_I2C lcd(0x20,20,4); // Liquide crystal is a 4x20 LCD with I2C support
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

DeviceAddress bathroom = { 0x10, 0x5E, 0xE8, 0x33, 0x02, 0x08, 0x00, 0xDB };   //Sensor 1
DeviceAddress room = { 0x10, 0xBE, 0xCA, 0x33, 0x02, 0x08, 0x00, 0x89 };       //Sensor 2
DeviceAddress ext = { 0x28, 0x75, 0x73, 0xBC, 0x05, 0x00, 0x00, 0xF8 };        //Sensor 3

unsigned int swt = 0;  // flip for alternate the display btw temp and humidity

#include "DHT.h"
#define DHTPIN0 A0      // sensor DHT room 1 connected to A0
#define DHTPIN1 A1      // sensor DHT room 2 connected to A1
#define DHTTYPE DHT11   // DHT 11 type

DHT dht_0(DHTPIN0, DHTTYPE);
DHT dht_1(DHTPIN1, DHTTYPE);

SMSGSM sms;

char number[]="XXXXXXXXXX";  // Destination number
char message[180];
char pos;
char *p;
///////////////Var and Int for GAS detection function/////////////////////
int value=0;
int value_old=0;
char gasmessage[45];
char value_str[4];
int pin=A3;

void setup()
{
lcd.init();                      // initialize the lcd
lcd.backlight();                // Backlight ON
lcd.setCursor(0, 1);
lcd.print("     Ardui'Home   ");
lcd.setCursor(0, 2);
lcd.print("     Loading...   ");
sensors.begin();

sensors.setResolution(bathroom, 10);
sensors.setResolution(room, 10);
sensors.setResolution(ext, 10);

value=analogRead(pin);
value_old=analogRead(pin);

dht_0.begin();                // Sensor DHT for room 1
dht_1.begin();               // Sensor DHT for room 2

Serial.begin(9600);
if (gsm.begin(2400))
Serial.println("\nstatus=READY");
else
Serial.println("\nstatus=IDLE");
(sms.SendSMS(number, "Starting ok !")); //sending sms when he starting up
pinMode(7, OUTPUT);                    // Pin 7 for bliking running led
}

void loop()
{
temps(); // calculate and displaying temps from DS18 and DHT sensor's
gas(); // For Gas sensing
runingled();   //loop to displaying a running LED
}

void gas()
{
value=analogRead(pin);
Serial.println(value); // For debug
if(value<50) //Gas value need to be defined
{
message[0]='\0';
while(3) // Try to send the SMS 3x in case of GSM network failure
{
sms.SendSMS(number,"!Alert! - !Gas level reached dangerous limit!"); // Dont forget to set  - char gasmessage[XX]; - if you change the message !
}
}
}

void temps()
{
sensors.requestTemperatures();
float tbathroom = sensors.getTempC(bathroom); // Bathroom sensor
float troom = sensors.getTempC(room); // Sitting room temp sensor
float text = sensors.getTempC(ext); // Outside sensor

swt++; // Alternate displaying betwen DS18 and DHT sensors
if ((swt % 15) > 5 )
{
//////////////DS18B20 Sensors/////////////////
lcd.setCursor(0, 0);
lcd.print("Sdb         ");
lcd.print(tbathroom);
lcd.print(" C");
lcd.setCursor(0, 1);
lcd.print("Salon       ");
lcd.print(troom);
lcd.print(" C");
lcd.setCursor(0, 2);
lcd.print("Exterieur   ");
lcd.print(text);
lcd.print(" C");
lcd.setCursor(0, 3);
lcd.print("                    ");
} else {
////////////////DHT Sensors//////////////////
float h0 = dht_0.readHumidity();
float t0 = dht_0.readTemperature();

float h1 = dht_1.readHumidity();
float t1 = dht_1.readTemperature();

lcd.clear();
lcd.setCursor(0, 0);
lcd.clear();
lcd.print("Room 1   T: "); // Temperature
lcd.print(t0);
lcd.print(" C");
////////////////////////////////////////
lcd.setCursor(0, 1);
lcd.print("         H: "); // Humidity
lcd.print(h0);
lcd.print(" %");
////////////////////////////////////////
lcd.setCursor(0, 2);
lcd.print("Room 2   T: "); // Temperature
lcd.print(t1);
lcd.print(" C");
////////////////////////////////////////
lcd.setCursor(0, 3);
lcd.print("         H: "); // Humidity
lcd.print(h1);
lcd.print(" %");
}
}
/////////// Blink a Led to check if the code run correctly ///////////
void runingled()
{
digitalWrite(7, HIGH);
delay(80);
digitalWrite(7, LOW);
delay(1000);
}