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.

» 3G 27: Receiving email with POP3

This example shows how to receive an email with POP3

Required Materials

1 x Waspmote
1 x battery
1 x 3G + GPS module
1 x SIM card
1 x GPRS/3G antenna

Notes

- 3G module must be powered with a battery
- When 3G is in use, interrupts can't be used
- This example can be executed in Waspmote v12 and Waspmote v15

Code

/*  
 *  --------------- 3G_27 - Receiving email with POP3 ----------------- 
 *  
 *  Explanation: This example shows how to receive an email with POP3
 *  
 *  Copyright (C) 2014 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:           1.1 
 *  Design:            David Gascón 
 *  Implementation:    Alejandro Gállego 
 */


#include "Wasp3G.h"

char apn[] = "apn";
char login[] = "login";
char password[] = "password";

int total_email;
int answer=0;


void setup()
{
    USB.println(F("**************************"));
    // 1. sets operator parameters
    _3G.set_APN(apn, login, password);
    // And shows them
    _3G.show_APN();
    USB.println(F("**************************"));
}


void loop(){ 

    USB.ON();
    USB.println(F("Starting"));

    // 2. activates the 3G module:
    answer = _3G.ON();
    if ((answer == 1) || (answer == -3))
    {
        USB.println(F("3G module ready..."));

        _3G.setTime();
        // 3. sets pin code
        USB.println(F("Setting PIN code..."));
        // **** must be substituted by the SIM code
        if (_3G.setPIN("****") == 1) 
        {
            USB.println(F("PIN code accepted"));
        }
        else
        {
            USB.println(F("PIN code incorrect"));
        } 

        USB.print(F("Connecting to the network..."));    

        // 4. waits for connection to the network
        answer = _3G.check(180);    
        if (answer == 1)
        { 
            USB.println(F("connected"));        

            // 5. Sets SMTP parameters
            USB.print(F("Setting POP3 server parameters..."));
            answer = _3G.setPOP3server("SMTP server", server_port, "STMP_account", "password");
            if (answer == 1)
            {
                USB.println(F("done"));

                // 6. Gets the number of emails
                USB.print(F("Getting number of emails..."));
                total_email = _3G.getPOP3list();
                if (total_email >= 0)
                {
                    USB.print(total_email, DEC);
                    USB.println(F(" emails"));
                }
                else
                {
                    USB.print(F("fail. Error code:"));
                    USB.println(total_email, DEC);
                }  


                // 7. Reads the first email
                USB.print(F("Getting the first email..."));
                _3G.selectStorage(1);
                answer = _3G.getPOP3mail(1);
                if (answer == 1)
                {
                    USB.println(F(" done"));
                    USB.println(_3G.buffer_3G);
                }
                else
                {
                    USB.print(F("fail. Error code:"));
                    USB.println(answer, DEC);
                }     
            }
            else
            {
                USB.print(F("fail. Error code:"));
                USB.println(answer, DEC);
            }
        }
        else
        {
            USB.println(F("3G module cannot connect to the network..."));
        }
    }
    else
    {
        // Problem with the communication with the 3G module
        USB.println(F("3G module not started"));
    }

    // 8. Powers off the 3G module
    _3G.OFF();

    USB.println(F("Sleeping..."));

    // 9. sleeps one hour:
    PWR.deepSleep("00:01:00:00", RTC_OFFSET, RTC_ALM1_MODE1, ALL_OFF);

}

Output

H#
Starting
3G module ready...
Setting PIN code...
PIN code incorrect
Connecting to the network...connected
Setting POP3 server parameters...done
Getting number of emails...12 emails
Getting the first email... done
D:/Email/000103102824/, EMAIL000103102824000.TXT
Sleeping...

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