/*
 WiFiEsp example: WebClient
 This sketch connects to google website using an ESP8266 module to
 perform a simple web search.
 For more details see: http://yaab-arduino.blogspot.com/p/wifiesp-example-client.html
*/

#include "WiFiEsp.h"

// Emulate Serial1 on pins 6/7 if not present
#ifndef HAVE_HWSERIAL1
#include "SoftwareSerial.h"
SoftwareSerial Serial1(9, 10); // RX, TX
#endif


char ssid[] = "Rinaldo";            // your network SSID (name)
char pass[] = "gakadapassword";        // your network password
int status = WL_IDLE_STATUS;     // the Wifi radio's status


int trig= 11;            // membuat variabel trig yang di set ke-pin 8
int echo= 12;            // membuat variabel echo yang di set ke-pin 9
long durasi, jarak;     // membuat variabel durasi dan jarak

const int AOUTpin=5;//the AOUT pin of the methane sensor goes into analog pin A0 of the arduino
const int DOUTpin=8;//the DOUT pin of the methane sensor goes into digital pin D8 of the arduino

int limit;
int value;

int valor_limite=200;

// Initialize the Ethernet client object
WiFiEspClient client;


void setup()
{
  pinMode(trig, OUTPUT);    // set pin trig menjadi OUTPUT
  pinMode(echo, INPUT);     // set pin echo menjadi INPUT

  pinMode(DOUTpin, INPUT);//sets the pin as an input to the arduino

  pinMode(LED_BUILTIN, OUTPUT); //reporting LED

  pinMode(6,OUTPUT); //VCC untuk Ultrasonik
  pinMode(7,OUTPUT); //VCC untuk MQ4

  // initialize serial for debugging
  Serial.begin(115200);
  // initialize serial for ESP module

  Serial1.begin(9600);
  // initialize ESP module
  WiFi.init(&Serial1);

  // check for the presence of the shield
  if (WiFi.status() == WL_NO_SHIELD) {
    Serial.println("WiFi shield not present");
    // don't continue
    while (true);
  }

  // attempt to connect to WiFi network
  while ( status != WL_CONNECTED) {
    Serial.print("Attempting to connect to WPA SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network
    status = WiFi.begin(ssid, pass);
  }

  // you're connected now, so print out the data
  Serial.println("You're connected to the network");

  // print the SSID of the network you're attached to
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your WiFi shield's IP address
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);

  // print the received signal strength
  long rssi = WiFi.RSSI();
  Serial.print("Signal strength (RSSI):");
  Serial.print(rssi);
  Serial.println(" dBm");

}





void loop()
{

  Serial.println("Mengambil data Ultrasonik\n");
  digitalWrite(6,HIGH); //nyalakan ultrasonik
  delay(1000);
  ultrasonic();
  Serial.print("Jarak : ");
  Serial.println(jarak);
  digitalWrite(6,LOW); //matikan ultrasonik
  delay(500);

  Serial.println("Mengambil data MQ4\n");
  digitalWrite(7,HIGH); //hidupkan mq4
  delay(1000);
  mq4();
  Serial.print("Methane value: ");
  Serial.println(value);
  digitalWrite(7,LOW); //matikan mq4
  delay(500);

  Serial.println("Melaporkan ke website");
  inputweb("gracetest-vfinalpb",float(jarak),float(value),0,0,0,0,"","","");

  for (int i=1;i<=5;i++)
  {
    digitalWrite(LED_BUILTIN,HIGH);
    delay(100);
    digitalWrite(LED_BUILTIN,LOW);
    delay(100);
    //lapor ke LED_BUILTIN kalau cycle pengambilan data sudah selesai.
  }

  delay(5000);
}

void ultrasonic(){
 // program dibawah ini agar trigger memancarakan suara ultrasonic
  digitalWrite(trig, LOW);
  delayMicroseconds(8);
  digitalWrite(trig, HIGH);
  delayMicroseconds(8);
  digitalWrite(trig, LOW);
  delayMicroseconds(8);

  durasi= pulseIn(echo, HIGH);  // menerima suara ultrasonic
  jarak= (durasi/2) / 29.1;     // mengubah durasi menjadi jarak (cm)
  //Serial.print("jarak: ");
  //Serial.println(jarak);        // menampilkan jarak pada Serial Monitor
  delay(1000);
}

void mq4()
{

  value= analogRead(AOUTpin);//reads the analaog value from the methane sensor's AOUT pin
  limit= digitalRead(DOUTpin);//reads the digital value from the methane sensor's DOUT pin

  if(value > valor_limite) {
    digitalWrite(DOUTpin, HIGH);
  }
  else{
    digitalWrite(DOUTpin,LOW);
  }

}


void inputweb(char identifier[255], float sensor1, float sensor2, float sensor3, float sensor4, float sensor5, float sensor6, char char1[], char char2[], char char3[])
{

  char server[] = "www.project.rinaldo.id";

  Serial.println();
  Serial.println("Starting connection to server...");
  // if you get a connection, report back via serial
  if (client.connect(server, 80)) {
    Serial.println("Connected to server");
    // Make a HTTP request
    Serial.println(String("GET /grace/input.php?")
    + String("identifier=") + identifier
    + String("&sensor1=") + String(sensor1)
    + String("&sensor2=") + String(sensor2)
    + String("&sensor3=") + String(sensor3)
    + String("&sensor4=") + String(sensor4)
    + String("&sensor5=") + String(sensor5)
    + String("&sensor6=") + String(sensor6)
    + String("&char1=") + char1
    + String("&char2=") + char2
    + String("&char3=") + char3
    + String(" HTTP/1.1")
    );

    client.println(String("GET /grace/input.php?")
    + String("identifier=") + identifier
    + String("&sensor1=") + String(sensor1)
    + String("&sensor2=") + String(sensor2)
    + String("&sensor3=") + String(sensor3)
    + String("&sensor4=") + String(sensor4)
    + String("&sensor5=") + String(sensor5)
    + String("&sensor6=") + String(sensor6)
    + String("&char1=") + char1
    + String("&char2=") + char2
    + String("&char3=") + char3
    + String(" HTTP/1.1")
    );

    //Serial.println("GET /asciilogo.txt HTTP/1.1");
    //client.println("GET /asciilogo.txt HTTP/1.1");
    Serial.println("Host: " + String(server));
    client.println("Host: " + String(server));
    client.println("Connection: close");
    client.println();
    Serial.println("Disconnecting from server...");
    client.stop();
  }
}