Using GPS with 4G Module Global

Projects Networking, Protocols, and Devices
1

Hi,
Could someone please point to more info or examples on how to use GPS with the new 4G Module Global? I have tried the example in Arduino_Cellular>GetLocation but getting:
Enabling GPS...
Failed to set GPS mode.
Response:
ERROR
Failed to enable GPS

Connecting to the ArduinoCloud works fine with the same setup (Mid Carrier, C33, 4G Module Global, Arduino IDE)

Thank you

2

Hi

Ran the example code and this is the serial output I got

09:58:01.625 -> AT+CSCS="GSM"
09:58:01.625 -> 
09:58:01.669 -> OK
09:58:01.669 -> AT+CNMI=2,1,0,0,0
09:58:01.669 -> 
09:58:01.669 -> OK
09:58:01.669 -> Enabling GPS...
09:58:01.669 -> AT+QGPSCFG="agpsposmode",8388608
09:58:01.669 -> 
09:58:01.669 -> OK
09:58:01.669 -> AT+QGPS=1
09:58:01.669 -> 
09:58:01.669 -> OK
09:58:03.646 -> AT+QGPSLOC=2
09:58:03.680 -> 
09:58:03.680 -> ERROR
09:58:04.648 -> AT+QGPSLOC=2
09:58:04.691 -> 
09:58:04.691 -> ERROR

From the EC25&EC21 GNSS AT Commands Manual it would seem its failing to acquire positioning info

Got the AT command feedback by modifying my local copy of ModemInterface.h

/**
 * @file ModemInterface.h
 * @brief Header file for the ModemInterface class.
 */

#ifndef ARDUINO_4G_MODULE_H
#define ARDUINO_4G_MODULE_H

#define DUMP_AT_COMMANDS    //<----unhash to get serial dump

#define TINY_GSM_RX_BUFFER 1024
#define TINY_GSM_MODEM_BG96

#if defined(ARDUINO_PORTENTA_H7_M

Must also mention that I'm sitting in an office building, and haven't tried going outside with a clear line of sight. Could be interference causing this.

3

Hi Community,
Did anyone managed to run the GPS example code successfully with the new 4G Module Global?

Thanks

4

Just FYI below code works for me now with longer timeout in setup() for 1st time fetching GPS location and then in loop() only short timeout works.

#include "ArduinoCellular.h"

ArduinoCellular cellular = ArduinoCellular();

void setup(){
    Serial.begin(115200);
    while (!Serial);
    cellular.setDebugStream(Serial);
    cellular.begin();
    delay(2000); // Give the modem some time to initialize
    Serial.println("Enable GPS...");
    cellular.enableGPS(true);
    Serial.println("Getting initial GPS location...");
    Geolocation location = cellular.getGPSLocation(60000);
    Serial.println("Initial GPS Location:");
    Serial.print("* Latitude: "); Serial.println(location.latitude, 6);
    Serial.print("* Longitude: "); Serial.println(location.longitude, 6);
    Serial.println("--------DONE--------\n");
    Serial.println("Setup done");
}

void loop(){
    Serial.println("Getting GPS location...");
    Geolocation location = cellular.getGPSLocation(1000);
    Serial.println("GPS Location:");
    Serial.print("* Latitude: "); Serial.println(location.latitude, 6);
    Serial.print("* Longitude: "); Serial.println(location.longitude, 6);
    Serial.println("--------------------\n");
}