/*
 * This ESP32 code is created by esp32io.com
 *
 * This ESP32 code is released in the public domain
 *
 * For more detail (instruction and wiring diagram), visit https://esp32io.com/tutorials/esp32-gps
 */

#include <TinyGPS++.h>

#define GPS_BAUDRATE 9600  // The default baudrate of NEO-6M is 9600

TinyGPSPlus gps;  // the TinyGPS++ object

void setup() {
  Serial.begin(9600);
  Serial2.begin(GPS_BAUDRATE);

  Serial.println(F("ESP32 - GPS module"));
}

void loop() {
  if (Serial2.available() > 0) {
    if (gps.encode(Serial2.read())) {
      if (gps.location.isValid()) {
        Serial.print(F("- latitude: "));
        Serial.println(gps.location.lat());

        Serial.print(F("- longitude: "));
        Serial.println(gps.location.lng());

        Serial.print(F("- altitude: "));
        if (gps.altitude.isValid())
          Serial.println(gps.altitude.meters());
        else
          Serial.println(F("INVALID"));
      } else {
        Serial.println(F("- location: INVALID"));
      }

      Serial.print(F("- speed: "));
      if (gps.speed.isValid()) {
        Serial.print(gps.speed.kmph());
        Serial.println(F(" km/h"));
      } else {
        Serial.println(F("INVALID"));
      }

      Serial.print(F("- GPS date&time: "));
      if (gps.date.isValid() && gps.time.isValid()) {
        Serial.print(gps.date.year());
        Serial.print(F("-"));
        Serial.print(gps.date.month());
        Serial.print(F("-"));
        Serial.print(gps.date.day());
        Serial.print(F(" "));
        Serial.print(gps.time.hour());
        Serial.print(F(":"));
        Serial.print(gps.time.minute());
        Serial.print(F(":"));
        Serial.println(gps.time.second());
      } else {
        Serial.println(F("INVALID"));
      }

      Serial.println();
    }
  }

  if (millis() > 5000 && gps.charsProcessed() < 10)
    Serial.println(F("No GPS data received: check wiring"));
}