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.

» GPRS SIM928A 09: Receiving SMS

This example shows how to configure the Waspmote for receive a SMS and show it

Required Materials

1 x Waspmote
1 x Battery
1 x GPRS_SIM928A module
1 x GPRS/3G antenna
1 x SIM card

Notes

- GPRS_SIM928 module must be powered with a battery
- When GPRS_SIM928 is in use, interrupts can't be used
- This example can be executed in Waspmote v12 and Waspmote v15

Code

/*  
 *  ------  GPRS_SIM928A_09 - Receiving SMS  -------- 
 *  
 *  Explanation: This example shows how to receive and show a SMS.
 *  
 *  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 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:           0.1
 *  Design:            David Gascón 
 *  Implementation:    Alejandro Gállego
 */

#include "WaspGPRS_SIM928A.h"

int answer;
unsigned long time;

void setup()
{
    // setup for Serial port over USB:
    USB.ON();
    USB.println(F("USB port started..."));

    // 1. activates the GPRS_SIM928A module:
    answer = GPRS_SIM928A.ON(); 
    if ((answer == 1) || (answer == -3))
    {
        USB.println(F("GPRS_SIM928A module ready..."));

        // 2. sets pin code
        USB.println(F("Setting PIN code..."));
        // **** must be substituted by the SIM code
        if (GPRS_SIM928A.setPIN("****") == 1) 
        {
            USB.println(F("PIN code accepted"));
        }
        else
        {
            USB.println(F("PIN code incorrect"));
        }

        // 3. waits for connection to the network
        answer = GPRS_SIM928A.check(180);    
        if (answer == 1)
        {
            USB.println(F("GPRS_SIM928A module connected to the network..."));

            // 5. configures info from incoming SMS
            GPRS_SIM928A.setInfoIncomingSMS();

            // 6. waits 60 seconds for receive a SMS
            time = millis();
            answer = 0;
            while ((answer != 2) && ((millis() - time) < 60000))
            {
                answer = GPRS_SIM928A.manageIncomingData();

                // Condition to avoid an overflow (DO NOT REMOVE)
                if (millis() < time)
                {
                    time = millis();	
                }
            }

            if (answer == 2)
            {
                // 7. then shows the text of the message
                USB.print(F("Text of the SMS: "));
                USB.println(GPRS_SIM928A.buffer_GPRS);
            }
            else
            {                
                USB.println(F("No SMS received"));    
            }
        }
        else
        {
            USB.println(F("GPRS_SIM928A module cannot connect to the network..."));
        }

    }
    else
    {
        USB.println(F("GPRS_SIM928A module NOT ready..."));
    }

    GPRS_SIM928A.OFF();


}

void loop()
{


}




Output

H#
USB port started...
GPRS_SIM928A module ready...
Setting PIN code...
PIN code accepted
GPRS_SIM928A module connected to the network...
Info Incoming SMS OK
Text of the SMS: Hello Waspmote!

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