Arduino soll ESP8266 ansteuern

  EthernetClient client = server.available();  // try to get client

  if (client)

  { // got client?

    boolean currentLineIsBlank = true;

    while (client.connected())

    {

      int count = 0;

      if (client.available())

      { // client data available to read

        char c = client.read(); // read 1 byte (character) from client

        // limit the size of the stored received HTTP request

        // buffer first part of HTTP request in HTTP_req array (string)

        // leave last element in array as 0 to null terminate string (REQ_BUF_SZ - 1)

        if (req_index < (REQ_BUF_SZ - 1))

        {

          HTTP_req[req_index] = c;          // save HTTP request character

          req_index++;

        }

        // last line of client request is blank and ends with \n

        // respond to client only after last line received

        //        if (c == '\n' && currentLineIsBlank)

        if (c == '\n')

        {

          client.println(F("HTTP/1.1 200 OK"));

          client.println(F("Access-Control-Allow-Origin: *"));

          // nur Ajax requests - send XML file

          if (StrContains(HTTP_req, "ajax_inputs"))

          {

            digitalWriteFast(A0, HIGH);               // LED einschalten

            // send rest of HTTP header

            client.println(F("Content-Type: text/xml"));

            client.println(F("Connection: keep-alive"));

            client.println();

            SetLEDs();                                // alle Ausgangs - Zustände setzen

            // send XML file containing input states

            XML_response(client);                     // alle Daten zurücksenden

            digitalWriteFast(A0, LOW);                // LED ausschalten

          }

          // reset buffer index and all buffer elements to 0

          req_index = 0;

          StrClear(HTTP_req, REQ_BUF_SZ);

          break;

        }

        // every line of text received from the client ends with \r\n

        if (c == '\n')

        {

          // last character on line of received text

          // starting new line with next character read

          currentLineIsBlank = true;

        }

        else if (c != '\r')

        {

          // a text character was received from client

          currentLineIsBlank = false;

        }             // end if (client.available())

      }               // end while (client.connected())

    }

    delay(1);     // give the web browser time to receive the data

    client.stop();  // close the connection

  }                 // end if (client)