/* 
 *  OpenGarden sensor platform for Arduino from Cooking-hacks.
 * 
 *  Copyright (C) Libelium Comunicaciones Distribuidas S.L.
 *  http://www.libelium.com
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *  a
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 * 
 *  Version:           2.2
 *  Design:            David Gascón
 *  Implementation:    Victor Boria, Luis Martin & Jorge Casanova
 */

#include <OpenGarden.h>
#include <Wire.h>

//Enter here your data
const char server[] = "192.168.1.16";
const char server_port[] = "80";
const char wifi_ssid[] = "AP";
const char wifi_password[] = "MICLAVE";

String wifiString;
char buffer[20];
int flag = 0; // auxiliar variable
DateTime myTime;

void setup() {
  Serial.begin(9600);
  OpenGarden.initSensors();    //Initialize sensors power
  OpenGarden.sensorPowerON();  //Turns on the sensor power supply
  delay(100);
  OpenGarden.initRF();
  OpenGarden.initRTC();
  wificonfig();
}


void loop() {

  OpenGarden.receiveFromNode(); //Receive data from node
  myTime = OpenGarden.getTime();
  OpenGarden.printTime(myTime);

  if ( myTime.minute() == 0 && flag == 0  ){ //Only enter 1 time each hour

    //Get Gateway Sensors
    int soilMoisture0 = OpenGarden.readSoilMoisture();
    float airTemperature0 = OpenGarden.readAirTemperature();
    float airHumidity0 = OpenGarden.readAirHumidity();
    float soilTemperature0 = OpenGarden.readSoilTemperature();
    int luminosity0 = OpenGarden.readLuminosity();

    //Get Node Sensors
    Payload node1Packet = OpenGarden.getNodeData(node1);
    Payload node2Packet = OpenGarden.getNodeData(node2);
    Payload node3Packet = OpenGarden.getNodeData(node3);


    int soilMoisture1 = node1Packet.moisture;
    float airTemperature1 = node1Packet.temperature;
    float airHumidity1 = node1Packet.humidity;
    int luminosity1 = node1Packet.light;
    int battery1 = node1Packet.supplyV;

    int soilMoisture2 = node2Packet.moisture;
    float airTemperature2 = node2Packet.temperature;
    float airHumidity2 = node2Packet.humidity;
    int luminosity2 = node2Packet.light;
    int battery2 = node2Packet.supplyV;

    int soilMoisture3 = node3Packet.moisture;
    float airTemperature3 = node3Packet.temperature;
    float airHumidity3 = node3Packet.humidity;
    int luminosity3 = node3Packet.light;
    int battery3 = node3Packet.supplyV;


    //Create string of the floats to send it
    dtostrf(airTemperature0,2,1,buffer);
    String airTemperature0_wf = String (buffer);
    dtostrf(airHumidity0,2,1,buffer);
    String airHumidity0_wf = String (buffer);
    dtostrf(soilTemperature0,2,1,buffer);
    String soilTemperature0_wf = String (buffer);

    dtostrf(airTemperature1,2,1,buffer);
    String airTemperature1_wf = String (buffer);
    dtostrf(airHumidity1,2,1,buffer);
    String airHumidity1_wf = String (buffer);

    dtostrf(airTemperature2,2,1,buffer);
    String airTemperature2_wf = String (buffer);
    dtostrf(airHumidity2,2,1,buffer);
    String airHumidity2_wf = String (buffer);

    dtostrf(airTemperature3,2,1,buffer);
    String airTemperature3_wf = String (buffer);
    dtostrf(airHumidity3,2,1,buffer);
    String airHumidity3_wf = String (buffer);

    /*
   You must create strings with this structure: "node_id:sensor_type:value;node_id2:sensor_type2:value2;...."
     Note the ";" between different structures
     
     Where node_id:
     0 - Gateway
     1 - Node 1
     2 - Node 2
     3 - Node 3
     
     And where sensor_type:
     0 - Soil moisture
     1 - Soil temperature
     2 - Air Humidity
     3 - Air Temperature
     4 - Light level
     5 - Battery level
     6 - pH level
     7 - Electrical conductivity
     
     For example: "0:0:56;0:1:17.54;0:2:56.45"
     This means that you send data of the gateway: Soil moisture=56, Soil temperature=17.54 and Air humidity=56.45
     
     */

    //Cut data in several string because the wifi module have problems with longer strings
    wifiString= "0:0:" + String(soilMoisture0) + ";0:1:"  + soilTemperature0_wf + ";0:2:" + airHumidity0_wf;
    sendwifi();
    enterCMD();


    wifiString= "0:3:"   +  airTemperature0_wf + ";0:4:" + String(luminosity0);
    sendwifi();
    enterCMD();


    wifiString = "1:0:" + String(soilMoisture1) + ";1:2:" + airHumidity1_wf + ";1:3:"  +  airTemperature1_wf + ";1:4:" + String(luminosity1);
    sendwifi();
    enterCMD();

   
    wifiString = "2:0:" + String(soilMoisture2) + ";2:2:" + airHumidity2_wf + ";2:3:"  +  airTemperature2_wf + ";2:4:" + String(luminosity2);
    sendwifi();
    enterCMD();


    wifiString = "3:0:" + String(soilMoisture3) + ";3:2:" + airHumidity3_wf + ";3:3:"  +  airTemperature3_wf + ";3:4:" + String(luminosity3);
    sendwifi();
    enterCMD();
   
   
    wifiString = "1:5:" +  String(battery1) + ";2:5:" +  String(battery2) + ";3:5:" +  String(battery3);
    sendwifi();
    enterCMD();


    flag = 1; 

  }

  else if (myTime.minute() == 30 && flag == 1){
    flag = 0;
  }

}


//*********************************************************************
//*********************************************************************


void check() {
  delay(1500);
  autoflush();
}


void wificonfig() {
  while (Serial.available() > 0) {
  }

  enterCMD();
  // Sets DHCP and TCP protocol
  Serial.print(F("set ip dhcp 1\r"));
  check();
  Serial.print(F("set ip protocol 18\r"));
  check();

  // Configures the way to join the network AP, sets the encryption of the
  // network and joins it
  Serial.print(F("set wlan join 0\r")); //The auto-join feature is disabled
  check();
  Serial.print(F("set wlan phrase "));
  Serial.print(wifi_password);
  Serial.print(F("\r"));
  check();
  Serial.print(F("join "));
  Serial.print(wifi_ssid);
  Serial.print(F("\r"));
  check();
}


void enterCMD() {
  Serial.println("");
  // Enters in command mode
  Serial.print(F("$$$"));
  delay(100);
  check();
  Serial.flush();
}



void sendwifi() {
  Serial.print(F("set i h 0\r"));
  check();
  Serial.print(F("set d n "));
  Serial.print(server);
  Serial.print(F("\r"));

  check(); //Insert here your IP

  //Configures HTTP connection
  Serial.print(F("set i r "));
  Serial.print(server_port);
  Serial.print(F("\r"));
  check();

  Serial.print(F("set o f 1\r"));
  check();

  Serial.print(F("set c r GET$/set_sensors.php?data="));
  Serial.print(wifiString);
  Serial.print(F("\r"));
  check();

  // Calls open to launch the configured connection.
  Serial.print(F("open\r"));
  check();
  Serial.print(F("open\r"));
}


void autoflush()
{
  while (Serial.available() > 0)
  {
    Serial.read();
  }
}

$$$set ip dhcp 1
set ip protocol 18
set wlan join 0
set wlan phrase MICLAVE
join AP
2/14/2016  23:14:092/14/2016  23:14:092/14/2016  23:14:092/14/2016  23:14:092/14/2016  23:14:092/14/2016  23:14:092/14/2016  23:14:092/14/2016  23:14:092/14/2016

  if ( myTime.minute() == 0 && flag == 0  ){ //Only enter 1 time each hour

OpenGarden.receiveFromNode(); //Receive data from node
  myTime = OpenGarden.getTime();
  OpenGarden.printTime(myTime);
  Serial.println();