#include <SD.h>
#include <Wire.h>
#include "RTClib.h"
#include "DHT22.h"
//#include "WiFlyHQ_.h"

#define IO0 5  //MICS5525_VENT
#define IO1 13 //MICS2710_VENT
#define IO2 9  //libre
#define IO3 10 //RHT22

#define S0 A4 //MICS_5525
#define S1 A5 //MICS_2710
#define S2 A2 //SENS_5525
#define S3 A3 //SENS_2710
#define S4 A0 //MICRO
#define S5 A1 //LDR

#define AWAKE  4 //Despertar WIFY
#define PANEL A8 //Entrada panel
#define BAT   A7 //Entrada bateria

#define DHT22_PIN 10

DHT22 myDHT22(DHT22_PIN);

//File root;
RTC_DS1307 RTC;
//const char mySSID[] = "hangar_nau3";  
//const char myPassword[] = "m1cr0fug4s";

//WiFly wifly;

#define MICS_5525 0
#define MICS_2710 1

void fecha ()
{
  DateTime now = RTC.now();
    Serial.print(now.year(), DEC);
    Serial.print('/');
    Serial.print(now.month(), DEC);
    Serial.print('/');
    Serial.print(now.day(), DEC);
    Serial.print(' ');
    Serial.print(now.hour(), DEC);
    Serial.print(':');
    Serial.print(now.minute(), DEC);
    Serial.print(':');
    Serial.print(now.second(), DEC);
    //Serial.println();
}

int average(int anaPin)
{
  int lecturas = 10;
  long total = 0;
  long average = 0;
  int count = 0;
  for(int i=0; i<lecturas; i++)
  {
    total = total + analogRead(anaPin);
  }

  average = total / lecturas;  
  return(average);

}

/*void printDirectory(File dir, int numTabs) {
   while(true) {
     
     File entry =  dir.openNextFile();
     if (! entry) {
       // no more files
       //Serial.println("**nomorefiles**");
       break;
     }
     for (uint8_t i=0; i<numTabs; i++) {
       Serial.print('\t');
     }
     Serial.print(entry.name());
     if (entry.isDirectory()) {
       Serial.println("/");
       printDirectory(entry, numTabs+1);
     } else {
       // files have sizes, directories do not
       Serial.print("\t\t");
       Serial.println(entry.size(), DEC);
     }
   }
}*/

void setup() {
  char buf[32];
  Serial.begin(9600);
  Serial1.begin(9600);
  //while(!Serial);
  //wifly.begin(&Serial1);
  Wire.begin();
  RTC.begin();
  pinMode(IO0, OUTPUT); //VH_MICS5525
  pinMode(IO1, OUTPUT); //VH_MICS2710
  pinMode(IO2, OUTPUT); //libre
  pinMode(IO3, OUTPUT); //DHT22
  pinMode(AWAKE, OUTPUT);
  digitalWrite(IO0, LOW); //VH_MICS5525
  digitalWrite(IO1, LOW); //VH_MICS2710
  digitalWrite(IO2, LOW); //libre
  digitalWrite(IO3, HIGH); //DHT22
  digitalWrite(AWAKE, HIGH);  
 /* if (!wifly.isAssociated()) {
    wifly.setIpProtocol(WIFLY_PROTOCOL_HTTP);
    //wifly.setHost(IP, outPort);	  // Send UDP packet to this server and port
    //wifly.setPort(localPort);     // listen in this local port
    wifly.setSSID(mySSID);
    wifly.setPassphrase(myPassword);
    //wifly.setKey(myKey); // modo WEP
    wifly.enableDHCP();
    wifly.join();
  } 
  
  Serial.print("MAC:");
  Serial.println(wifly.getMAC(buf, sizeof(buf)));
  Serial.print("IP: ");
  Serial.println(wifly.getIP(buf, sizeof(buf)));
  Serial.print("Netmask: ");
  Serial.println(wifly.getNetmask(buf, sizeof(buf)));
  Serial.print("Gateway: ");
  Serial.println(wifly.getGateway(buf, sizeof(buf)));
  Serial.print("LocalPort: ");
  Serial.println(wifly.getPort());
  Serial.print("HostPort: ");
  Serial.println(wifly.getHostPort());

  wifly.setDeviceID("SCK");
  Serial.print("DeviceID: ");
  Serial.println(wifly.getDeviceID(buf, sizeof(buf)));

  Serial.println("SCK ready");*/
  
  pinMode(MOSI, OUTPUT);
  pinMode(SCK, OUTPUT);
  
  /*Serial.print("Initializing SD card...");
  if (!SD.begin(11)) {
      Serial.println("initialization failed!");
      return;
  }
  Serial.println("initialization done.");*/
  //RTC.adjust(DateTime(__DATE__, __TIME__));
  //Serial.println(__DATE__);
  if (! RTC.isrunning()) {
    Serial.println("RTC is NOT running!");
    // following line sets the RTC to the date & time this sketch was compiled
    //RTC.adjust(DateTime(__DATE__, __TIME__));
  }
//  delay(1000); 
//  Serial.println("$$$");
//  delay(100); 
//  Serial.println("set sys trigger 0x20");
//  delay(100);  
  /*root = SD.open("/");
    
  printDirectory(root, 0);
    
  Serial.println("done!");*/
  
  //fecha();
  
  
}

void loop() { 
  
DHT22_ERROR_t errorCode;

Serial.print("MICS_5525 = ");
Serial.print(measure_MICS(MICS_5525, 2000));
Serial.println(" ppm");

Serial.print("MICS_2710 = ");
Serial.print(measure_MICS(MICS_2710, 2000));
Serial.println(" ppm");

errorCode = myDHT22.readData();

  switch(errorCode)
  {
    case DHT_ERROR_NONE:
      Serial.print("Temperatura ");
      Serial.print(myDHT22.getTemperatureC());
      Serial.println("C ");
      Serial.print("Humedad ");
      Serial.print(myDHT22.getHumidity());
      Serial.println("%");	  
      break;
  }
  
fecha();
Serial.println(); 
Serial.print("Panel=");
int temp = map(average(A8), 409, 819, 0, 100); //Nivel de Panel aproximado (Pendiente de ajuste fino)
if (temp>0) Serial.print(temp); 
else Serial.print(0); 
Serial.println("%"); 
Serial.print("Bat="); 
Serial.print(map(average(A7), 613, 900, 0, 100)); //Bateria aproximado (Pendiente de ajuste fino)
Serial.println("%"); 
Serial.print("LUZ="); 
Serial.print((float)((float)average(S5)/1023)*5000); 
Serial.println("mV"); 
Serial.print("AUD="); 
Serial.print(((float)((float)average(S4)/1023)*5000)); 
Serial.println("mV "); 

Serial.println(); 




//delay(1000);
//  if (Serial.available() > 0) {
//    byte temp = Serial.read();
//    if (temp=='1') digitalWrite(AWAKE, HIGH);
//    else digitalWrite(AWAKE, LOW);
//    Serial1.write(temp);  
//  }  
//  if (Serial1.available() > 0) {
//    Serial.write(Serial1.read());
//  }  
}