// EmonLibrary examples openenergymonitor.org, Licence GNU GPL V3

#include "EmonLib.h"                   // Include Emon Library
EnergyMonitor emon_conso;                   // Create an instance
EnergyMonitor emon_solar; 

#define NB_MESURES  50 

const uint16_t port = 81;
const char * host = "192.168.1.3"; // ip or dns

int lectures = -10;
double sum_conso = 0;
double sum_solar = 0;
double last_conso_value = 0;
double last_solar_value = 0;

/*
 * Displays text sent over the serial port (e.g. from the Serial Monitor) on
 * an attached LCD.
 * YWROBOT
 *Compatible with the Arduino IDE 1.0
 *Library version:1.1
 */
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

#define I2C_SLAVE_ADDRESS 0x0B // 12 pour l'esclave 2 et ainsi de suite
#define PAYLOAD_SIZE 2
int n = 0;

LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display

void setup()
{  
    lcd.init();                      // initialize the lcd 
  lcd.backlight();
  Serial.begin(9600);
  
  emon_conso.current(0, 60);             // Current: input pin, calibration.
  emon_solar.current(1, 60);

  Wire.begin(I2C_SLAVE_ADDRESS);
  Serial.begin(9600); 
  Serial.println("-------------------------------------I am Slave1");
  delay(1000);               
  Wire.onRequest(requestEvents);
  Wire.onReceive(receiveEvents);
  
  delay(500);  
}

void loop()
{
  double Irms_conso = emon_conso.calcIrms(1480);  // Calculate Irms_conso only
  double Irms_solar = emon_solar.calcIrms(1480);  // Calculate Irms_conso only

  lectures ++;
//  
//  Serial.print(Irms_conso*230.0);	       // Apparent power
//  Serial.print(" ");
//  Serial.println(Irms_conso);		       // Irms_conso
//
//  Serial.print(Irms_solar*230.0);         // Apparent power
//  Serial.print(" ");
//  Serial.println(Irms_solar);    
  
  delay(10);
  if (lectures > 0) {
    sum_conso += Irms_conso;
    sum_solar += Irms_solar;

    if (lectures == NB_MESURES) { 
      last_conso_value = sum_conso / lectures;
      last_solar_value = sum_solar / lectures;
      
      // envoieDomoticz("1053",String(sum_conso / lectures)); // intensite
      // delay(500);
      // envoieDomoticz("1086",String(sum_solar / lectures)); // intensite
      
      lectures = -10;
      sum_conso = 0;
      sum_solar = 0;

      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Conso  :" + String(last_conso_value));
      lcd.setCursor(0,1);
      lcd.print("Solaire:" + String(last_solar_value));  
      delay(2000);
    }
  }
  if (Serial.available() > 0) {
    // read the incoming byte:
    int incomingByte = Serial.read();
    // say what you got:
    Serial.print("I received: ");
    Serial.println(incomingByte, DEC);
  }

  while(Serial.available () > 0){
     Serial.read();
  }
  Serial.flush();
  // read all the available characters
  // display each character to the LCD

}


void requestEvents()
{
  Serial.println(F("---> received request"));
  Serial.print(F("sending value : "));
  char TempString[10];  //  Hold The Convert Data
  dtostrf(last_conso_value,2,2,TempString);
  Serial.println(TempString);

  Wire.write(TempString);
  Wire.write(";");

  dtostrf(last_solar_value,2,2,TempString);
  Serial.println(TempString);

  Wire.write(TempString);
  Wire.write("\n");


}

void receiveEvents(int numBytes)
{  
  Serial.println(F("---> received events"));
  n = Wire.read();
  Serial.print(numBytes);
  Serial.println(F("bytes received"));
  Serial.print(F("received value : "));
  Serial.println(n);
}