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 15: Using DHCP protocol

This example shows the way to use DHCP protocol

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.
- This example can be executed in Waspmote v12 and Waspmote v15

Code

/*
 *  ------Waspmote WIFI_15--------
 *
 *  Explanation: This example shows the way to use DHCP protocol
 *
 *  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
  if( WIFI.ON(socket) == 1 )
  {    
    USB.println(F("WiFi switched ON"));
  }
  else
  {
    USB.println(F("WiFi did not initialize correctly"));
  }

  // 1. Configure the transport protocol (UDP, TCP, FTP, HTTP...)
  WIFI.setConnectionOptions(UDP);
  
  // 2. Configure the way the modules will resolve the IP address.
  /*** DHCP MODES ***
  * DHCP_OFF   (0): Use stored static IP address
  * DHCP_ON    (1): Get IP address and gateway from AP
  * AUTO_IP    (2): Generally used with Ad-hoc networks
  * DHCP_CACHE (3): Uses previous IP address if lease is not expired
  */  
  WIFI.setDHCPoptions(DHCP_ON);
  
  // 3. Set WiFi Authentication key
  WIFI.setAuthKey(WPA1,AUTHKEY);   
  // 4. Configure how to connect the AP
  WIFI.setJoinMode(MANUAL);
  // 5. Store Values
  WIFI.storeData();
}

void loop()
{
  // Switch WiFi ON 
  WIFI.ON(socket);
  
  // Join AP
  if(WIFI.join(ESSID))
  {        
    USB.println(F("joined AP"));
    
    USB.println(F("-----------------------"));    
    USB.println(F("get IP"));
    USB.println(F("-----------------------"));
    WIFI.getIP();
    USB.println();
  }
  else
  {    
    USB.println(F("NOT joined"));
  }
  
  // Switch WiFi OFF
  WIFI.OFF();  
  
  USB.println(F("*************************"));
  
  // delay 2 seconds
  delay(2000);
}

Output

H#
WiFi switched ON
joined AP
-----------------------
get IP
-----------------------
IF=UP
DHCP=ON
IP=10.10.10.11:2000
NM=255.255.255.0
GW=10.10.10.1
HOST=0.0.0.0:2000
PROTO=UDP,
MTU=1524
FLAGS=0x7
TCPMODE=0x0
BACKUP=0.0.0.0
<2.32>

*************************

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