#include <Wire.h>
#include <cactus_io_BME280_I2C.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>
#include <TimeLib.h>


///Create BME280 object////////////////////////////
//BME280_I2C bme if  I2C using address 0x77 ///////
///////////////////////////////////////////////////
BME280_I2C bme(0x76); // I2C using address 0x76 

LiquidCrystal_I2C lcd(0x27,2,1,0,4,5,6,7); // 0x27 is the default I2C 


int s=1;
char rec;

String fecha;
String comando;
String data;
String mi;
String se;

float temp;
float hu;
float pres;

String hora;
String minuto;
String segundo;
String dia;
String mes;
String ano;

   
int horai;
int minutoi;
int segundoi;
int diai;
int mesi;
int anoi;



void setup() {

Serial.begin(115200);
Serial3.begin(115200);   
delay(1000);

Serial.println("SERIAL Setup Complete!"); 
delay(3000);

//Serial.println("Connecting to WiFi");
//Serial3.println("AT+CWJAP=\"MOVISTAR_5C88\",\"clave_de_conexión\""); //insert your own SSID and password here
//delay(2000);
//do{Serial.write(Serial3.read());} while (Serial3.available());

Serial.println("CONEXION  WiFI");
Serial3.println("AT+CWJAP?");
delay(2000);
do{Serial.write(Serial3.read());} while (Serial3.available());


Serial.println("Establishing connection type…");
Serial3.println("AT+CIPMUX=1");
delay(2000);
do{Serial.write(Serial3.read());} while (Serial3.available());
    
Serial.println("Setting WiFI mode…");
Serial3.println("AT+CWMODE=3");
delay(2000);
do{Serial.write(Serial3.read());} while (Serial3.available());
    


Serial.println("Establishing  SERVIDOR…");
Serial3.println("AT+CIPSERVER=1,80");
delay(2000);
do{Serial.write(Serial3.read());} while (Serial3.available());

Serial.println("Establishing TCP connection");
Serial3.println("AT+CIPSTART=0,\"TCP\",\"ip_o_nombre_del_servidor\",80");
Serial.println("AT+CIPSTART=0,\"TCP\",\"ip_o_nombre_del_servidor\",80");
delay(2000);
do{Serial.write(Serial3.read());} while (Serial3.available());

String a="GET /time.php?valor=1  ";
String l=String(a.length());
    
Serial3.println("AT+CIPSEND=0,"+l);
Serial.println("AT+CIPSEND=0,"+l);
delay(2000);
do{Serial.write(Serial3.read());} while (Serial3.available());

   
String b="GET /time.php?valor=1";
Serial3.println(b);
Serial.println(b);
delay(2000);
    
while (Serial3.available())
     {
      rec=Serial3.read();
      comando.concat(rec);
     }

  
Serial.println(comando);
String ko=comando;
fecha=ko.substring(40,59);
    
    
hora=fecha.substring(11,13);
minuto=fecha.substring(14,16);
segundo=fecha.substring(17,19);
dia=fecha.substring(8,10);
mes=fecha.substring(5,7);
ano=fecha.substring(0,4);
   
horai=hora.toInt();
minutoi=minuto.toInt();
segundoi=segundo.toInt();
diai=dia.toInt();
mesi=mes.toInt();
anoi=ano.toInt();

setTime(horai,minutoi,segundoi,diai,mesi,anoi);


if (!bme.begin()) 
{
Serial.println("Could not find a valid BME280 sensor, check wiring!");
while (1);
}

bme.setTempCal(-2);// Temp was reading high so subtract 2 degree


lcd.begin (20,4); // 20x4 LCD module
lcd.setBacklightPin(3,POSITIVE); // BL, BL_POL
lcd.setBacklight(HIGH);
}




void loop() {

bme.readSensor();


lcd.clear();
lcd.setCursor(0,0);
lcd.print("Pres(hPa)=");
lcd.print(bme.getPressure_MB());
lcd.setCursor(0,1);
lcd.print("Hu(%)=");
lcd.print(bme.getHumidity());
lcd.setCursor(0,2);
lcd.print("Temp(C)=");
lcd.print(bme.getTemperature_C());

mi=String(minute());
se=String(second());

if (mi.toInt()<10){mi="0"+String(minute());}
if (se.toInt()<10){se="0"+String(second());}

fecha=String(hour())+":"+mi+":"+se+" "+String(day())+"/"+String(month())+"/"+String(year());


lcd.setCursor(0,3);
lcd.print(fecha);
    

if ( s>55 )
{
    fecha="";
    Serial.println("Establishing connection type…");
    Serial3.println("AT+CIPMUX=1");
    delay(2000);
    do{Serial.write(Serial3.read());} while (Serial3.available());
    
    Serial.println("Setting WiFI mode…");
    Serial3.println("AT+CWMODE=3");
    delay(2000);
    do{Serial.write(Serial3.read());} while (Serial3.available());
    
    Serial.println("Establishing  SERVIDOR…");
    Serial3.println("AT+CIPSERVER=1,80");
    delay(2000);
    do{Serial.write(Serial3.read());} while (Serial3.available());
   
    Serial.println("Establishing TCP connection");
    Serial3.println("AT+CIPSTART=0,\"TCP\",\"ip_o_nombre_del_servidor\",80");
    Serial.println("AT+CIPSTART=0,\"TCP\",\"ip_o_nombre_del_servidor\",80");
    delay(2000);
    do{Serial.write(Serial3.read());} while (Serial3.available());

    bme.readSensor();
    pres=bme.getPressure_MB(); 
    hu=bme.getHumidity(); 
    temp=bme.getTemperature_C();
    data=String(temp)+"_"+String(hu)+"_"+String(pres);
    
    
    Serial.println("Sending out data…");


    String a="GET /posted_2.php?valor="+data+"  ";
    String l=String(a.length());
    
    Serial3.println("AT+CIPSEND=0,"+l);
    Serial.println("AT+CIPSEND=0,"+l);
    delay(2000);
    do{Serial.write(Serial3.read());} while (Serial3.available());
    
    String b="GET /posted_2.php?valor="+data;
    Serial3.println(b);
    Serial.println(b);
    delay(2000);
    
    while (Serial3.available())
     {
      rec=Serial3.read();
      comando.concat(rec);
     }

  
    Serial.println(comando);
    String ko=comando;
    fecha=ko.substring(40,59);
    
    
    hora=fecha.substring(11,13);
    minuto=fecha.substring(14,16);
    segundo=fecha.substring(17,19);
    dia=fecha.substring(8,10);
    mes=fecha.substring(5,7);
    ano=fecha.substring(0,4);
   
    horai=hora.toInt();
    minutoi=minuto.toInt();
    segundoi=segundo.toInt();
    diai=dia.toInt();
    mesi=mes.toInt();
    anoi=ano.toInt();

    setTime(horai,minutoi,segundoi,diai,mesi,anoi);

         
    s=0;
    comando="";
   }

//contador incremento
s=s+1;

if (s==1){ delay (10);}
if (s>1) {delay (10000);}
}