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 SIM908 25: GPS tracker with frame

This example shows how use Waspmote with GPRS SIM908 module as tracker with frame

Required Materials

1 x Waspmote
1 x battery
1 x GPRS_SIM908 module
1 x GPS antena
1 x SIM card

Notes

GPS antenna should be outdoor in order to get GPS signal from satellites
GPRS_SIM908 module must be powered with a battery

Code

/*  
 *  ------ GPRS_SIM908_25 - GPS tracker with frame-------- 
 *  
 *  Explanation: This example shows how use Waspmote with GPRS SIM908 module 
 *  as tracker with frame
 *  
 *  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:           0.1
 *  Design:            David Gascón 
 *  Implementation:    Alejandro Gállego 
 */


#include <WaspGPRS_SIM908.h>
#include <WaspFrame.h>

char url[] = "http://pruebas.libelium.com/getpost_frame_parser.php?";
char moteID[] = "GPRS_tracker_01";

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

int8_t answer;
int GPS_status = 0;
int GPRS_status = 0;

void setup()
{

    USB.println(F("**************************"));
    // 1. sets operator parameters
    GPRS_SIM908.set_APN(apn, login, password);
    // And shows them
    GPRS_SIM908.show_APN();
    USB.println(F("**************************")); 

    // 2. activates the 3G module:
    answer = GPRS_SIM908.ON();
    if ((answer == 1) || (answer == -3))
    {

        USB.println(F("GPRS_SIM908 module ready..."));

        // 3. starts the GPS:
        USB.println(F("Starting in stand-alone mode")); 
        GPS_status = GPRS_SIM908.GPS_ON();
        if (GPS_status == 1)
        { 
            USB.println(F("GPS started"));
        }
        else
        {
            USB.println(F("GPS NOT started"));   
        }

        // 4. configures connection parameters
        GPRS_SIM908.configureGPRS_HTTP_FTP(1);

    }
    else
    {
        // Problem with the communication with the GPRS_SIM908 module
        USB.println(F("GPRS_SIM908 module not started")); 
    }
}

void loop()
{

    // 5. create new frame
    frame.createFrame(ASCII, moteID);
    
    // 6. checks the status of the GPS
    if ((GPS_status == 1) && (GPRS_SIM908.checkGPS() > 2))
    {
        answer = GPRS_SIM908.getGPSData(BASIC, 1);
        if (answer == 1)
        {            
            // when it's available, shows it
            USB.print(F("Basic: "));
            USB.println(GPRS_SIM908.buffer_GPRS);      
            USB.print(F("Latitude (degrees):"));
            USB.println(GPRS_SIM908.convert2Degrees(GPRS_SIM908.latitude, GPRS_SIM908.NS_indicator));
            USB.print(F("Longitude (degrees):"));
            USB.println(GPRS_SIM908.convert2Degrees(GPRS_SIM908.longitude, GPRS_SIM908.EW_indicator));
            USB.print(F("Speed over the ground"));
            USB.println(GPRS_SIM908.speedOG);
            USB.print(F("Course over the ground:"));
            USB.println(GPRS_SIM908.courseOG);
            USB.print(F("altitude (m):"));
            USB.println(GPRS_SIM908.altitude);

            // 7a. add GPS data 
            // add GPS position field
            frame.addSensor(SENSOR_GPS, 
            GPRS_SIM908.convert2Degrees(GPRS_SIM908.latitude, GPRS_SIM908.NS_indicator),
            GPRS_SIM908.convert2Degrees(GPRS_SIM908.longitude, GPRS_SIM908.EW_indicator) ); 			

            // add GPS speed over the ground field
            frame.addSensor(SENSOR_SPEED, GPRS_SIM908.speedOG); 

            // add GPS course over the ground field
            frame.addSensor(SENSOR_COURSE, GPRS_SIM908.courseOG); 

            // add GPS altitude field
            frame.addSensor(SENSOR_ALTITUDE, GPRS_SIM908.altitude); 
        }
        else
        { 
            // 7b. add not GPS data string
            frame.addSensor(SENSOR_STR, "GPS data not available");
            USB.println(F("GPS data not available"));  
        }
    }
    else if((GPS_status == 1) && (GPRS_SIM908.checkGPS() <= 2))
    {
        // 7c. add not GPS fixed string
        frame.addSensor(SENSOR_STR, "GPS not fixed");
        USB.println(F("GPS not fixed")); 		
    }
    else
    {
        // 7d. add not GPS started string
        USB.println(F("GPS not started. Restarting"));
        frame.addSensor(SENSOR_STR, "GPS not started. Restarting");
        GPS_status = GPRS_SIM908.GPS_ON();
    }

    GPRS_status = GPRS_SIM908.check(30);

    if(GPRS_status == 1)
    {
        // 8. Sends the frame
        answer = GPRS_SIM908.readURL(url, frame.buffer, frame.length, 1, GET);

        // checks the answer
        if ( answer == 1)
        {
            USB.println(F("Done"));  
            USB.println(GPRS_SIM908.buffer_GPRS);
            Utils.setLED(LED1, LED_ON);
            delay(300);
            Utils.setLED(LED1, LED_OFF);
        }
        else 
        {
            USB.println(F("Failed"));
            Utils.setLED(LED0, LED_ON);
            delay(300);
            Utils.setLED(LED0, LED_OFF);
        } 
    }
    else
    {
        USB.println(F("GPRS not connected"));
    }

}





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