Development

» WiFi PRO 02: join AP

This example shows how to check when the WiFi module has joined an access point (AP)

Required Materials

1 x Waspmote
1 x Battery
1 x WiFi PRO Module

Notes

- The battery has to be connected.
- This example can be executed in Waspmote v15

Code

/*  
 *  ------ WIFI Example -------- 
 *  
 *  Explanation: This example shows how to join an access point (AP)
 *
 *  Copyright (C) 2016 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 3 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:           3.0
 *  Design:            David Gascon 
 *  Implementation:    Yuri Carmona
 */

#include <WaspWIFI_PRO.h>


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


uint8_t error;
uint8_t status;
unsigned long previous;



void setup() 
{
  USB.ON();
  USB.println(F("Start program"));  
  USB.println(F("***************************************"));  
  USB.println(F("Once the module is set with one or more"));
  USB.println(F("AP settings, it attempts to join the AP"));
  USB.println(F("automatically once it is powered on"));    
  USB.println(F("Refer to example 'WIFI_PRO_01' to configure"));  
  USB.println(F("the WiFi module with proper settings"));
  USB.println(F("***************************************"));

  //////////////////////////////////////////////////
  // 1. Switch ON
  //////////////////////////////////////////////////  
  error = WIFI_PRO.ON(socket);

  if (error == 0)
  {    
    USB.println(F("1. WiFi switched ON"));
  }
  else
  {
    USB.println(F("1. WiFi did not initialize correctly"));
  }  

  // get current time
  previous = millis();  
}



void loop()
{

  //////////////////////////////////////////////////
  // 2. Join AP
  //////////////////////////////////////////////////  

  // check connectivity
  status =  WIFI_PRO.isConnected();

  // Check if module is connected
  if (status == true)
  { 
    USB.print(F("2. WiFi is connected OK."));
    USB.print(F(" Time(ms):"));    
    USB.println(millis()-previous);

    error = WIFI_PRO.ping("www.google.com");

    if (error == 0)
    {				
      USB.print(F("3. PING OK. Round Trip Time(ms)="));
      USB.println( WIFI_PRO._rtt, DEC );
    }
    else
    {
      USB.println(F("3. Error calling 'ping' function")); 
    }
  }
  else
  {
    USB.print(F("2. WiFi is connected ERROR.")); 
    USB.print(F(" Time(ms):"));    
    USB.println(millis()-previous);  
  }

  delay(10000);
}

Output

H#
Start program
***************************************
Once the module is set with one or more
AP settings, it attempts to join the AP
automatically once it is powered on
Refer to example 'WIFI_PRO_01' to configure
the WiFi module with proper settings
***************************************
1. WiFi switched ON
2. WiFi is connected OK. Time(ms):123
3. PING OK. Round Trip Time(ms)=22
2. WiFi is connected OK. Time(ms):13658
3. PING OK. Round Trip Time(ms)=19

Quick Publish: