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	- Project: "Activate GNSS"
	- Source Code NOT compiled for: ESP32 DevKit V1
	- Source Code created on: 2024-06-24 21:35:04

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* Use TinyGSM library to initialize modem with APN */
	/* "airtelgprs.com", establish GSM connection, enable */
	/* GNSS module for location data capture, and display */
	/* all activity logs on Serial Monitor. */
/****** SYSTEM REQUIREMENT 2 *****/
	/* add #define TINY_GSM_MODEM_SIM7600 */
/****** END SYSTEM REQUIREMENTS *****/


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/****** DEFINITION OF LIBRARIES *****/
#include <TinyGsmClient.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF Hardware Serial *****/
#define modem Serial2 // TX_PIN: D17, RX_PIN: D16

/***** SYSTEM REQUIREMENT 2 *****/
#define TINY_GSM_MODEM_SIM7600

/***** SYSTEM REQUIREMENT 1 *****/
#define TINY_GSM_DEBUG Serial

// Your GPRS credentials
const char apn[] = "airtelgprs.com";
const char gprsUser[] = "";
const char gprsPass[] = "";

// Initialize the TinyGSM modem instance
TinyGsm modem(modem);
TinyGsmClient client(modem);

void setup(void)
{
    // Set console baud rate
    Serial.begin(115200);
    delay(10);

    // Set GSM module baud rate
    modem.begin(115200);

    // Restart takes quite some time
    // To skip it, call init() instead of restart()
    Serial.println("Initializing modem...");
    modem.restart();

    // Display modem info
    String modemInfo = modem.getModemInfo();
    Serial.print("Modem Info: ");
    Serial.println(modemInfo);

    // Unlock your SIM card with a PIN if needed
    // modem.simUnlock("1234");

    // Connect to the GPRS network
    Serial.print("Connecting to APN: ");
    Serial.println(apn);
    if (!modem.gprsConnect(apn, gprsUser, gprsPass)) {
        Serial.println("Failed to connect to GPRS");
        while (true);
    }
    Serial.println("GPRS connected");

    // Enable GNSS
    Serial.println("Enabling GNSS...");
    modem.enableGPS();
}

void loop(void)
{
    // Check if GNSS is enabled and get location data
    if (modem.isGPS()) {
        float lat, lon;
        if (modem.getGPS(&lat, &lon)) {
            Serial.print("Latitude: ");
            Serial.println(lat, 6);
            Serial.print("Longitude: ");
            Serial.println(lon, 6);
        } else {
            Serial.println("Failed to get GPS data");
        }
    } else {
        Serial.println("GNSS is not enabled");
    }

    delay(10000); // Wait for 10 seconds before the next loop
}

/* END CODE */