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 29b: Android App code

This example shows the way to communicate with the Waspmote Wifi Demo Android app.

Required Materials

1 x Waspmote
1 x Battery
1 x WiFi Module
1 x Android device

Notes

- The battery has to be connected.
- Plug the antenna in the SMA connector.
- Read the Smartphone section in WiFi Networking Guide first.
- This example can be executed in Waspmote v12 and Waspmote v15

Code

/*
 *  ------Waspmote WIFI_29b Example--------
 *
 *  Explanation: This example shows the way to communicate with 
 *  the Waspmote Wifi Demo Android app.
 *    Step1: Create a WiFi AP in your smart phone with the ESSID and 
 *           password described in this example
 *    Step2: Open the WiFi app
 *    Step3: Run this Waspmote code
 *
 *  Copyright (C) 2015 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:                0.3
 *  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   "ANDROID"
#define AUTHKEY "password"
/////////////////////////////////

// Specifies the message that is sent to the WiFi module.
char tosend[128];

// answer parser
char buffer[100];
uint8_t field1;
uint8_t field2;
uint8_t field3;
uint8_t field4;

void setup()
{
  // Initialize the accelerometer
  ACC.ON();

  // 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)) 
    { 
      // Switches on green led to show us it's connected.
      Utils.setLED(LED1, LED_ON);

      // 4. Creates UDP connection.
      if (WIFI.setUDPclient("255.255.255.255",12345,2000))
      {
        // 5. Now we can use send and read functions to send and
        // receive UDP messages.
        while(1)
        {
          // 6. Send data to the IOS smartphone
          sprintf(tosend,"Wasp-1;19;20;21;22;23;24;%d;%d;%d;",
          ACC.getY(),ACC.getX(),ACC.getZ());
          WIFI.send(tosend);
          // Reads data to the IOS smartphone
          if( WIFI.read(NOBLO) > 0 )
          {          
            // get answers
            field1 = WIFI.answer[0] - 48;
            field2 = WIFI.answer[2] - 48;
            field3 = WIFI.answer[4] - 48;
                     
            // manage green LED with switch1
            if( field1 == 0 )
            {
              Utils.setLED( LED1, LED_ON );
            }
            else
            {
              Utils.setLED( LED1, LED_OFF );              
            }
            
            // manage red LED with switch2
            if( field2 == 0 )
            {
              Utils.setLED( LED0, LED_ON );
            }
            else
            {
              Utils.setLED( LED0, LED_OFF );              
            }       
               
          }
        }
      }
      else
      {
        USB.println(F("ERROR setting UDP client"));
      }
    }
    else
    {
      USB.println(F("ERROR joining"));
    }
  }
  else
  {
    USB.println(F("ERROR switching on"));
  }

}


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