/***************************************************************************
  ESP32 GPS VKEL 9600 Bds
  reference:  https://lastminuteengineers.com/neo6m-gps-arduino-tutorial/***
***************************************************************************/


#include <TinyGPS++.h>  //https://github.com/mikalhart/TinyGPSPlus/releases
#define TX1_pin  15
#define RX1_pin  12

TinyGPSPlus gps;
//HardwareSerial Serial1(1);

void setup()
{
  Serial.begin(115200);
 // Serial1.begin(9600, SERIAL_8N1, RX1_pin, TX1_pin);
  Serial1.begin(9600, SERIAL_8N1, 12, 15);
}

void loop()
{
  Serial.print("Latitude  : ");
  Serial.println(gps.location.lat(), 5);
  Serial.print("Longitude : ");
  Serial.println(gps.location.lng(), 4);
  Serial.print("Satellites: ");
  Serial.println(gps.satellites.value());
  Serial.print("Altitude  : ");
  Serial.print(gps.altitude.feet() / 3.2808);
  Serial.println("M");
  Serial.print("Time      : ");
  Serial.print(gps.time.hour());
  Serial.print(":");
  Serial.print(gps.time.minute());
  Serial.print(":");
  Serial.println(gps.time.second());
  Serial.println("**********************");

  smartDelay(1000);

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

static void smartDelay(unsigned long ms)
{
  unsigned long start = millis();
  do
  {
    while (Serial1.available())
      gps.encode(Serial1.read());
  } while (millis() - start < ms);
}