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 10: Getting RSSI and cellID

This example shows how to get the RSSI and the cell ID and shows 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_10 - Getting RSSI and cellID  -------- 
 *  
 *  Explanation: This example shows how to gets RSSI and cell ID and
 *  shows it
 *  
 *  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;

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

}

void loop()
{
    // 3. waits for connection to the network
    answer = GPRS_SIM928A.check(20);    
    if (answer == 1)
    {
        USB.println(F("GPRS_SIM928A module connected to the network..."));           
    }
    else
    {
        USB.println(F("GPRS_SIM928A module cannot connect to the network..."));
    }
    
    // 4. reads cell info
    if (GPRS_SIM928A.getCellInfo() == 1)
    {
        USB.print(F("RSSI: "));
        USB.print(GPRS_SIM928A.RSSI,DEC);
        USB.println(F("dBm"));
        USB.print(F("Cell ID: "));
        USB.println(GPRS_SIM928A.cellID);
    }
    delay(3000);

}

Output

H#
USB port started...
GPRS_SIM928A module ready...
Setting PIN code...
PIN code accepted
GPRS_SIM928A module connected to the network...
RSSI: -72dBm
Cell ID: 1d5f

RSSI: -75dBm
Cell ID: 1d5f

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