#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#include <SD.h>
#include <LiquidCrystal.h>
static const int RXPin = 5, TXPin = 3;
static const uint32_t GPSBaud = 9600;
/*const int rs = 8, en = 9, d4 = 10, d5 = 11, d6 = 6, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);*/
File myFile;
TinyGPSPlus gps;
String nazwa_pliku;
SoftwareSerial ss(RXPin, TXPin);

void setup()
{
  Serial.begin(9600);
//  wyswietlLCD();tu jeszcze dziala
  ss.begin(GPSBaud);
  sprawdzKarte();
// wyswietlLCD();tu juz nie dziala
 nadajNazwePliku();
// wyswietlLCD();i tu tez nie dziala
}

void loop()
{
   while (ss.available() > 0)
    if (gps.encode(ss.read()))
   {   wyswietlDane();
       zapiszDaneNaKarte();
       sprawdzPodlaczenia();
}
}

void wyswietlDane()
{
  Serial.print(F("Location: "));
  if (gps.location.isValid())
  {
    Serial.print(gps.location.lat(), 6);
    Serial.print(F(","));
    Serial.print(gps.location.lng(), 6);
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F("  Date/Time: "));
  if (gps.date.isValid())
  {
    Serial.print(gps.date.month());
    Serial.print(F("/"));
    Serial.print(gps.date.day());
    Serial.print(F("/"));
    Serial.print(gps.date.year());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F(" "));
  if (gps.time.isValid())
  {
    if (gps.time.hour() < 10) Serial.print(F("0"));
    Serial.print(gps.time.hour());
    Serial.print(F(":"));
    if (gps.time.minute() < 10) Serial.print(F("0"));
    Serial.print(gps.time.minute());
    Serial.print(F(":"));
    if (gps.time.second() < 10) Serial.print(F("0"));
    Serial.print(gps.time.second());
    Serial.print(F("."));
    if (gps.time.centisecond() < 10) Serial.print(F("0"));
    Serial.print(gps.time.centisecond());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.println();

  czekaj();
}
void wyswietlLCD()
{
const int rs = 8, en = 9, d4 = 10, d5 = 11, d6 = 6, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
lcd.begin(16,2);
lcd.clear();
lcd.setCursor(0,0);
czekaj();
lcd.print("aaa");
czekaj();
lcd.print(" eee");
czekaj();
lcd.setCursor(1,1);
lcd.print("bbb");
czekaj();
lcd.print(" ccc");
czekaj();
lcd.print(" ddd");
}
void czekaj()
{
  delay(1000);
}
void sprawdzKarte()
{
 if (!SD.begin(4))
{Serial.println("Nie wykryto karty!!");
return;}
else
Serial.println("Karta microSD jest gotowa");
}
void nadajNazwePliku()
{
  while (gps.time.minute()==0||gps.time.hour()==0)
  {
   while (ss.available() > 0)
    if (gps.encode(ss.read()))
    {;}
   }
  String godz,minu,rok, mies, dzie;
  godz=String(gps.time.hour());
    if (gps.time.hour()<10) godz="0"+godz;
  minu=String(gps.time.minute());
    if (gps.time.minute()<10) minu="0"+minu;
  rok=String(gps.date.year()%100);
  mies=String(gps.date.month());
    if (gps.date.month()<10) mies="0"+mies;
  dzie=String(gps.date.day());
    if (gps.date.day()<10) dzie="0"+dzie;
nazwa_pliku=mies+dzie+godz+minu+".txt";
  Serial.println(nazwa_pliku);
}

void zapiszDaneNaKarte(){
myFile=SD.open(nazwa_pliku, FILE_WRITE);
myFile.print("szerokosc: ");
myFile.print(gps.location.lat(),6);
myFile.print(", dlugosc: ");
myFile.print(gps.location.lng(),6);
myFile.print(", data: ");
if (gps.date.day()<10) myFile.print("0");
myFile.print(gps.date.day());
myFile.print("/");
if (gps.date.month()<10) myFile.print("0");
myFile.print(gps.date.month());
myFile.print("/");
myFile.print(gps.date.year());
myFile.print(", czas: ");
myFile.print(gps.time.hour());
myFile.print(":");
if (gps.time.minute()<10) myFile.print("0");
myFile.print(gps.time.minute());
myFile.print(":");
if (gps.time.second()<10) myFile.print("0");
myFile.println(gps.time.second());
myFile.close();}

void sprawdzPodlaczenia(){
    if (millis() > 5000 && gps.charsProcessed() < 10)
  {
    Serial.println(F("No GPS detected: check wiring."));
    while(true);
  }
}