#define I2C_ADDRESS 0x3C
#include "SSD1306Ascii.h"
#include "SSD1306AsciiAvrI2c.h"
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#define ARDUINO_GPS_RX 8
#define ARDUINO_GPS_TX 7
#define GPS_BAUD 9600
#define gpsPort ssGPS
#define SerialMonitor Serial
#define I2C_ADDRESS 0x3C
TinyGPSPlus gps;
SoftwareSerial ssGPS(ARDUINO_GPS_TX, ARDUINO_GPS_RX);
SSD1306AsciiAvrI2c oled;
int godz;

void setup()
{
  SerialMonitor.begin(9600);
  gpsPort.begin(GPS_BAUD);
  oled.begin(&Adafruit128x64, I2C_ADDRESS);
  oled.setFont(System5x7);
  oled.clear();
}

void loop()
{

//  static const double LONDON_LAT = 51.508131, LONDON_LON = -0.128002;

  printGPSInfo();
  smartDelay(300);
  oled.setCursor(0, 0);

}

void printGPSInfo()
{

  oled.print("Lat:     "); oled.println(gps.location.lat(), 8);
  oled.print("Long:    "); oled.println(gps.location.lng(), 8);
  oled.print("Date:    "); printDate();
  oled.print("TimeGPS: "); printTimeRAW();
  oled.print("Time:    "); printTime();
  oled.print("Sat:     "); printSat();
  oled.print("Course:  "); printCourse();
  oled.print("Speed:   "); printSpeed();

}


static void smartDelay(unsigned long ms)
{
  unsigned long start = millis();
  do
  {

    while (gpsPort.available())
      gps.encode(gpsPort.read());
  } while (millis() - start < ms);
}


void printDate()
{

  oled.print(gps.date.day());
  oled.print("/");
  oled.print(gps.date.month());
  oled.print("/");
  oled.println(gps.date.year());
}

void printTimeRAW()
{

  oled.print(gps.time.hour());
  oled.print(":");
  if (gps.time.minute() < 10) oled.print('0');
  oled.print(gps.time.minute());
  oled.print(":");
  if (gps.time.second() < 10) oled.print('0');
  oled.println(gps.time.second());
}

void printTime()
{
  switch(gps.time.hour()){
  case 22:
  oled.print("00");
  oled.print(":");
  break;


  case 23:
  oled.print("01");
  oled.print(":");
  break;

  default:
  oled.print(gps.time.hour()+2);
  oled.print(":");
  break;
  }

  
  if (gps.time.minute() < 10) oled.print('0');
  oled.print(gps.time.minute());
  oled.print(":");
  if (gps.time.second() < 10) oled.print('0');
  oled.println(gps.time.second());
}

void printSat()
{
  if (gps.satellites.value() < 10) oled.print('0');
  oled.println(gps.satellites.value());
}

void printCourse()
{
oled.println(gps.course.deg());
}

void printSpeed()
{
oled.print(gps.speed.kmph());
oled.print("km/h");
}