#include <Time.h>
#include <TimeLib.h>



#include <fontALL.h>

#include <Wire.h>
//#include <TinyGPS.h>       // http://arduiniana.org/libraries/TinyGPS/
//#include <SoftwareSerial.h>
#include <DS1302RTC.h>




#include <TVout.h>
time_t prevDisplay = 0; // when the digital clock was displayed
//const int offset = -5;
#include <math.h>
//uint8_t hour12 = hour()%12 == 0? 12 : hour()%12;

long previousMillis = 0;
long interval = 900;
// Init the DS1302
// Set pins:  CE, IO,CLK
DS1302RTC RTC(2, 3, 4);
//SoftwareSerial SerialGPS = SoftwareSerial(10, 11);  // receive on pin 10
TVout TV;
//TinyGPS gps;
// Optional connection for RTC module
//#define DS1302_GND_PIN 33
//#define DS1302_VCC_PIN 35

// Init the LCD
//   initialize the library with the numbers of the interface pins
//            lcd(RS,  E, d4, d5, d6, d7, bl, polarity)

double Thermister(int RawADC) {
 double Temp;
 Temp = log(((10240000/RawADC) - 10000));
 Temp = 1 / (0.001129148 + (0.000234125 * Temp) + (0.0000000876741 * Temp * Temp * Temp));
 Temp = Temp - 273.15; // Convert Kelvin to Celcius

 return Temp;
}
void setup()
{
  // Setup LCD to 16x2 characters
TV.begin(_NTSC,138,96);
TV.select_font(font8x8);
  TV.delay_frame(100);
  // Activate RTC module

  //Serial.begin(115200);
  //while (!Serial) ; // Needed for Leonardo only
  //SerialGPS.begin(9600);
    TV.set_cursor(0, 1);

  Serial.println("Waiting for GPS time ... ");
  }


void loop()
{
//while (SerialGPS.available()) {
    //if (gps.encode(SerialGPS.read())) { // process gps messages
      // when TinyGPS reports new data...
     // unsigned long age;
     // int Year;
     // byte Month, Day, Hour, Minute, Second;
     // gps.crack_datetime(&Year, &Month, &Day, &Hour, &Minute, &Second, NULL, &age);
      //if (age < 500) {
        // set the Time to the latest GPS reading
        //setTime(Hour, Minute, Second, Day, Month, Year);
       // adjustTime(offset * SECS_PER_HOUR);
     // }
    //}
  // }

//if (timeStatus()!= timeNotSet) {
  //  if (now() != prevDisplay) { //update the display only if the time has changed
 //     prevDisplay = now();
      //digitalClockDisplay();
 //   }
  //}

//}
 // void digitalClockDisplay(){
  static int sday = 0; // Saved day number for change check

  // Display time centered on the upper line
  TV.set_cursor(0, 0);
  TV.print("Current Time:\n");
  print2digits(hour()%12 == 0? 12 : hour()%12);
  TV.print(":");
  print2digits(minute());
  TV.print(":");
  print2digits(second());
if (hour() > 11) {

    TV.print(" PM");
  }
  else {
    TV.print(" AM");
  }



  // Update in 00:00:00 hour only
  if(sday != day()) {
    TV.set_cursor(0, 30);
    TV.print("Today's Date is:\n");

    // Display date in the lower right corner
    print2digits(day());
    TV.print("/");
    print2digits(month());
    TV.print("/");
    TV.print(year());




  }
  // Warning!


  // Save day number
  sday = day();


TV.set_cursor(0, 60);
TV.print("Current Temp: \n");
TV.print(int(Thermister(analogRead(0)))); // display Fahrenheit
TV.print(" Celsius");
  // Wait small time before repeating :)
 TV.delay_frame(50);
 delay(60);


   if ((minute() == 0) && (second() == 0)) {
    TV.clear_screen();\
      delay(100);
   }
  else if ((minute() == 30) && (second() == 0)) {

    //this will be called a dozen times in that 1 second that this function
    //is true if I don't put a timer in here to limit how many times it's called

   // unsigned long currentMillis = millis();

    //if (currentMillis - previousMillis > interval) { //only true for 100ms based on 900ms interval
      //previousMillis = currentMillis;

      TV.clear_screen();\
      delay(100);
  }
      else{
         TV.set_cursor(0, 30);
    TV.print("Today's Date is:\n");

    // Display date in the lower right corner
    print2digits(day());
    TV.print("/");
    print2digits(month());
    TV.print("/");
    TV.print(year());

      }

    //}
  }




void print2digits(int number) {
  if (number >= 0 && number < 10) {
    TV.write('0');
  }
  TV.print(number);
}