/*
     * Sample extracted from https://techtutorialsx.com/2017/11/13/esp32-arduino-setting-a-socket-server/
     * and modified by Cuautli Garcia
     *
     * FabAcademy
     *
     * Version 1.0
     * Last autor: Cuautli Garcia - cuautli.garciaa@gmail.com
     *
     */
//Required libraries
#include <WiFi.h>
 
// Wifi credentials
const char* ssid = "HOME_2.4G";
const char* password =  "5GaRcIaS";
//Set the web server port number to 80
WiFiServer wifiServer(80);
//String to store the received information from the computer
String cadenarecibida;

void setup() {
  Serial.begin(115200);//Initialize the serial protocol
  delay(1000);        //Wait a second
  WiFi.begin(ssid, password);//Start the WiFi protocol
  //While the wifi is not connected
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);      //Wait a second
    //Display the following text
    Serial.println("Connecting to WiFi..");
  }
  //When the Wifi is connected
  Serial.println("Connected to the WiFi network");
  Serial.println(WiFi.localIP());//Prin the IP addres
  wifiServer.begin();//Start the Wifi server
}
 
void loop() {
  //Start a Wifi client
  WiFiClient client = wifiServer.available();
  if (client) {//If a client is detected
    while (client.connected()) {//While the client is connected
      while (client.available()>0) {//While the bus is available
        char c = client.read(); //Read the information from the interface
        client.write(c);        //Write back whatever is sent
        if (c != ' ')           //If there is not a space
          cadenarecibida += c;  //Save the information
      }
      Serial.println(cadenarecibida);//Print the whole string
      delay(10);                //Wait 10 ms
      cadenarecibida="";        //Clean the string
    }
    client.stop();              //Stop the client
    Serial.println("Client disconnected");
  }
}