/*
  BigNumbers_I2C https://github.com/Anush-DP/BigNumbers_I2C
*/

#include <LiquidCrystal_I2C.h>
#include "BigNumbers_I2C.h"

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

BigNumbers_I2C bigNum(&lcd); // construct BigNumbers object, passing to it the name of our LCD object

void setup()
{

  TCCR1B = TCCR1B & 0b11111000 | 0x01; // use for Arduino Uno
  // TCCR2B = TCCR1B & 0b11111000 | 0x01; // use for Arduino Mega2560
  lcd.begin(16,2); // setup LCD rows and columns
  bigNum.begin(); // set up BigNumbers
  lcd.clear(); // clear display
}

void loop()
{
  int currentTime = millis() / 100; // assigns the current time since boot in tenths of a second to currentTime
  byte lastDigit = currentTime % 10;
  currentTime = currentTime /= 10;
  bigNum.displayLargeInt(currentTime, 0, 0, 4, true);
  //bigNum.displayLargeInt(currentTime, 0, 0, 4, false);
  // print out the decimal point and the digit after it
  lcd.setCursor(12, 1);
  lcd.print(".");
  lcd.print(lastDigit);
}