int gnss_init(void)
{
/* Default to continuous tracking. */
	uint16_t fix_retry = 0;
	uint16_t fix_interval = 1;


         if (nrf_modem_gnss_event_handler_set(gnss_event_handler) != 0) {
		printk("Failed to set GNSS event handler");
		return -1;
	}


        /* Enable all supported NMEA messages. */
	uint16_t nmea_mask = NRF_MODEM_GNSS_NMEA_RMC_MASK |
			     NRF_MODEM_GNSS_NMEA_GGA_MASK |
			     NRF_MODEM_GNSS_NMEA_GLL_MASK |
			     NRF_MODEM_GNSS_NMEA_GSA_MASK |
			     NRF_MODEM_GNSS_NMEA_GSV_MASK;

	if (nrf_modem_gnss_nmea_mask_set(nmea_mask) != 0) {
		printk("Failed to set GNSS NMEA mask");
		return -1;
	}

	/* This use case flag should always be set. */
	uint8_t use_case = NRF_MODEM_GNSS_USE_CASE_MULTIPLE_HOT_START;

	if (IS_ENABLED(CONFIG_GNSS_SAMPLE_MODE_PERIODIC) &&
	    !IS_ENABLED(CONFIG_GNSS_SAMPLE_ASSISTANCE_NONE)) {
		/* Disable GNSS scheduled downloads when assistance is used. */
		use_case |= NRF_MODEM_GNSS_USE_CASE_SCHED_DOWNLOAD_DISABLE;
	}

	

      uint8_t power_mode = NRF_MODEM_GNSS_PSM_DISABLED;
      if (nrf_modem_gnss_power_mode_set(power_mode) != 0) {
		printk("Failed to set GNSS power saving mode");
		return -1;
	}
      if (nrf_modem_gnss_fix_retry_set(0) != 0) {
		printk("Failed to set GNSS fix retry");
		return -1;
	}

	if (nrf_modem_gnss_fix_interval_set(120) != 0) {
		printk("Failed to set GNSS fix interval");
		return -1;
	}

        return 0;


}

void gps_work_init() {
  k_delayed_work_init(&gps_start_work, gps_start_work_fn);
  printk("\n\nGPS work queue initialised\n\n");

}


void run_gps() {


 k_work_schedule(&gps_start_work, K_NO_WAIT);
  printk("\n\nGPS work submitted to queue \n\n");

}


void main(void)
{

if (gnss_init() != 0) {
		printk("Failed to initialize");
		return -1;
	}
        else{
        printk("\nGNSS intialized\n");
        }
      gps_work_init();   // Initialise GPS work queue

}

// stating gps on AWS Ready avent

case AWS_IOT_EVT_READY:
		printk("AWS_IOT_EVT_READY\n");
                
                 run_gps();
                

                }
		break;