Connecting with Arduino over WiFi
========================================

.. code-block::

	#include <WiFiS3.h>

    char ssid[] = "YOU-SSID";
    char password[] = "YOUR-PASSWORD";

    int status = WL_IDLE_STATUS;
    WiFiServer server(8005);


    void setup() {

      pinMode(LED_BUILTIN, OUTPUT);

      Serial.begin(9600);
      delay(1000);
      if (Serial.available()) {
        Serial.println("Connecting to WiFi...");
      }

      while (status != WL_CONNECTED) {
        Serial.print("Connecting to ");
        Serial.println(ssid);
        status = WiFi.begin(ssid, password);
        delay(5000);
      }

      Serial.println("\nWiFi connected.");
      Serial.print("IP address: ");
      Serial.println(WiFi.localIP());

      server.begin();
      Serial.println("HTTP server started");

    }

    void loop() {

      WiFiClient client = server.available();

      if (client) {
        //client.flush();
        Serial.println("Client connected.");
        String request = "";
        while (client.connected()) {
          if (client.available()) {
            char c = client.read();
            request += c;
            if (c == '\n' && request.endsWith("\r\n\r\n")) {
              break; // End of HTTP headers
            }
          }
        }

        String body = "";
        while (client.available()) {
          body += (char)client.read();
        }

        if(body == "ON"){
          digitalWrite(LED_BUILTIN, HIGH);
          String response = "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\n\r\nLED is ON\n";
          client.print(response);
        }
        else if(body == "OFF"){
          digitalWrite(LED_BUILTIN, LOW);
          String response = "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\n\r\nLED is OFF\n";
          client.print(response);

        }

        delay(1);
        client.stop();
        Serial.println("Client disconnected.");
      }
    }

.. code-block::

    #include  "rlenvs/boards/arduino/arduino_connector_wifi_base.h"
    #include <iostream>

    namespace example
    {
      using rlenvscpp::boards::arduino::ArduinoCMDBase;
      using rlenvscpp::boards::arduino::ArduinoConnectorWIFIBase;

      struct ArduinoONCMD: public ArduinoCMDBase
      {
        virtual std::string get_cmd()const final;
      };

      std::string ArduinoONCMD::get_cmd() const
      {
        return "ON";
      }

      struct ArduinoOFFCMD: public ArduinoCMDBase
      {
        virtual std::string get_cmd()const final;
      };

      std::string ArduinoOFFCMD::get_cmd() const
      {
        return "OFF";
      }
    }

    int main() {


      using namespace example;

      ArduinoConnectorWIFIBase connector("http://192.168.0.70:8005");
      ArduinoONCMD on_cmd;
      ArduinoOFFCMD off_cmd;

      std::string user_input;
      while (true)
      {
        std::cout << "Enter command ON/OFF or e (to exit): ";
        std::getline(std::cin, user_input);

        if (user_input == "e") {
          connector.send_cmd(off_cmd);
          break;
        }

        if (user_input == "ON")
        {
          auto response = connector.send_cmd(on_cmd);
          std::cout<<"Arduino response: "<<response<<std::endl;
        }

        if (user_input == "OFF")
        {
          auto response = connector.send_cmd(off_cmd);
          std::cout<<"Arduino response: "<<response<<std::endl;
        }

        std::this_thread::sleep_for(std::chrono::seconds(1));
      }

        return 0;
    }



References
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