/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License v3 as published by
the Free Software Foundation.
*/

//LCD with Progress Bar

//Include the library code:
#include <LiquidCrystal_I2C.h>

//Initialize the library with the numbers of the interface pins
LiquidCrystal_I2C lcd(0x27, 16, 2);

//Create the progress bar characters
byte p20[8] = {
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
};
byte p40[8] = {
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
};
byte p60[8] = {
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
};
byte p80[8] = {
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
};
byte p100[8] = {
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
};

void setup()
{
  //Set up the LCDs number of columns and rows: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("Jeremy's Display");
 
  //Make progress characters
  lcd.createChar(0, p20);
  lcd.createChar(1, p40);
  lcd.createChar(2, p60);
  lcd.createChar(3, p80);
  lcd.createChar(4, p100);
}

void loop()
{
  //Move cursor to second line
  lcd.setCursor(0,1);
  //Clear the line each time it reaches the end
  //with 16 " " (spaces)
  lcd.print("                ");  
 
  //Iterate through each character on the second line
  for (int i = 0; i<16; i++)
  {
    //Iterate through each progress value for each character
    for (int j=0; j<5; j++)
    {
      lcd.setCursor(i, 1); //Move the cursor to this location
      lcd.write(j);        //update progress bar
      delay(100);          //wait
    }  
  }
}