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 04: Sleep mode

This example shows how to configure the WiFi module to sleep and to wake up periodically.

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 write the correct AP and web settings in the example
- This example can be executed in Waspmote v12 and Waspmote v15

Code

/*
 *  ------Waspmote WIFI_04 Example--------
 *
 *  Explanation: This example shows how to configure the Wifi module 
 *  to sleep and to wake up periodically. The socket used is SOCKET0.
 *  
 *  
 *  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"
/////////////////////////////////

// Server settings
/////////////////////////////////
#define IP_ADDRESS "???.???.???.???"
#define REMOTE_PORT 2000 
#define TIME_INTERVAL 0x7
#define MESSAGE "AWAKE!"  
/////////////////////////////////


void setup()
{
  // 1. 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"));
  }
    
  // 2. Configure the way the modules will resolve the IP address
  WIFI.setDHCPoptions(DHCP_ON);

  // 3. Configure something default to do when waking up
  WIFI.setESSID(ESSID);   

  // 4. Set the AP authentication key
  WIFI.setAuthKey(WPA1,AUTHKEY); 
  
  // 5. set auto Broadcast TCP packets when waking up
  WIFI.sendAutoBroadcast(IP_ADDRESS, REMOTE_PORT, TIME_INTERVAL, MESSAGE);   

  // 6. Configures the Wifi module to sleep 10 seconds and then wake up for 30 seconds
  WIFI.setSleep(10,30); 
  
  USB.println(F("End of WiFi setup"));
  
}



void loop()
{
  // Do nothing
  USB.println(F("New loop"));
  delay(10000);

}

Output

H#
Wifi switched ON
End of WiFi setup
New loop
New loop
New loop
New loop
New loop
New loop
New loop
...

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