#include <TinyGPS++.h>

#define     GPS_BAUDRATE  9600
#define     RXD2          16
#define     TXD2          17

TinyGPSPlus gps;

void setup() {
  Serial.begin(115200);
  Serial2.begin(GPS_BAUDRATE, SERIAL_8N1, RXD2, TXD2);
  Serial.println(F("NEO6M GPS Module Simulation on ES32."));
}

void loop() {
  if(Serial2.available() > 0) {
    if(gps.encode(Serial2.read())) {
      Serial.print(F("Location:\t("));
      if(gps.location.isValid()) {
        Serial.print(F("Latitude: "));    Serial.print(gps.location.lat(), 6); Serial.print(F(", "));
        Serial.print(F("Longitude: "));   Serial.print(gps.location.lng(), 6); Serial.print(F(", "));
        Serial.print(F("Altitude: "));
        if(gps.altitude.isValid())        Serial.print(gps.altitude.meters());
        else                              Serial.println(F("INVALID"));
      } else {
        Serial.println(F("INVALID"));
      }
      Serial.println(F(")"));

      Serial.print(F("Speed:\t\t"));
      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:\t"));
      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();
    }
  }

  // No GPS Data Exception
  if(millis() > 5000 && gps.charsProcessed() < 10)
  Serial.println(F("No GPS Data received: Check your wiring"));
  
}