Development v12

Warning - Product Update

All the resources present on this section belong to Waspmote v12, Waspmote Plug & Sense! v12 and Meshlium v3.8.

If you have a Waspmote v15, Waspmote Plug & Sense! v15 or Meshlium v4.0 please go to the new Development Section.

Check what is your version and what are the differences between the old and the new one in this document.

» Wifi 28: Resolve a DNS query

This example shows how to perform a DNS query on the supplied hostname.

Required Materials

1 x Waspmote
1 x Battery
1 x WiFi Module

Notes

- The battery has to be connected.
- Plug the antenna in the SMA connector.
- Remember to set the correct AP settings
- This example can be executed in Waspmote v12 and Waspmote v15

Code

/*
 *  ------Waspmote WIFI_28 Example--------
 *
 *  Explanation: This example shows how to perform a DNS query on the 
 *  supplied hostname.
 *
 *  Copyright (C) 2013 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 2 of the License, or
 *  (at your option) any later version.
 * 
 *  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:                0.2
 *  Design:                 David Gascón
 *  Implementation:         Joaquin Ruiz
 */

// Include WIFI library 
#include <WaspWIFI.h>

// choose socket (SELECT USER'S SOCKET)
///////////////////////////////////////
uint8_t socket=SOCKET0;
///////////////////////////////////////

// WiFi AP settings (CHANGE TO USER'S AP)
/////////////////////////////////
#define ESSID "libelium_AP"
#define AUTHKEY "password"
/////////////////////////////////


void setup()
{
  // Switch on the WIFI module on the desired socket.
  WIFI.ON(socket);

  // 1. Configure the transport protocol (UDP, TCP, FTP, HTTP...)
  WIFI.setConnectionOptions(UDP);
  // 2. Configure the way the modules will resolve the IP address.
  WIFI.setDHCPoptions(DHCP_ON);
  // 3. Configure how to connect the AP 
  WIFI.setJoinMode(MANUAL); 
  // 4. Set the AP authentication key
  WIFI.setAuthKey(WPA1,AUTHKEY); 
  // 5. Save Data to module's memory
  WIFI.storeData();
}

void loop()
{
  // Switch ON the WiFi module on the desired socket
  if( WIFI.ON(socket) == 1 )
  {   
    USB.println(F("Switched on"));

    // If it is manual, call join giving the name of the AP 
    if(WIFI.join(ESSID)) 
    { 
      USB.println(F("Joined network"));

      WIFI.resolve("www.libelium.com");
    }
    else
    {
      USB.println(F("ERROR joining"));
    }
  }
  else
  {
    USB.println(F("ERROR switching on"));
  }

  // switch off the module
  WIFI.OFF();
  USB.println(F("**********************"));
  delay(2000);

}


Output

H#
Switched on
Joined network
R: lookup www.libelium.com

www.libelium.com=46.105.20.38
<2.32>
**********************
Switched on
Joined network
R: lookup www.libelium.com

www.libelium.com=46.105.20.38
<2.32>
**********************
Switched on
Joined network
R: lookup www.libelium.com

www.libelium.com=46.105.20.38
<2.32>
**********************
...

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