/* 
    16x2 LCD arudino interface with arduino
 */


// include the LiquidCrystal.h library 
#include <LiquidCrystal.h>

                    
const int rs = 7;   
const int en = 6;   
const int d4 = 12;  
const int d5 = 10;  
const int d6 = 9;   
const int d7 = 8;   


byte warning_icon[8] = {B00100, B00100, B01110, B01010, B11011, B11111, B11011, B11111};     // warning icon - just because we still have one custom character left

//Termometer Icon
byte tempchar1[8]={B10000, B00001, B00010, B00100, //Row 0, Col 0
                  B00100, B00100, B00100, B00111,};          
byte tempchar2[8]={B00111, B00111, B00111, B01111, //Row 1, Col 0
                  B11111, B11111, B01111, B00011,};
byte tempchar3[8]={B00000, B10000, B01011, B00100, //ROW 0, Col 1
                  B00111, B00100, B00111, B11100,};
byte tempchar4[8]={B11111, B11100, B11100, B11110, //Row 1, Col 1
                  B11111, B11111, B11110, B11000,};

//Defining Humidity Icon
byte humchar1[8]={B00000, B00001, B00011, B00011, 
                  B00111, B01111, B01111, B11111,};
byte humchar2[8]={B11111, B11111, B11111, B01111, 
                  B00011, B00000, B00000, B00000,};
byte humchar3[8]={B00000, B10000, B11000, B11000, 
                  B11100, B11110, B11110, B11111,};
byte humchar4[8]={B11111, B11111, B11111, B11110,
                  B11100, B00000, B00000, B00000,};

LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  // Set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print Hello World! to the LCD.
  lcd.print("Hello World!");
  lcd.clear();
}

void loop() {

  lcd.clear();
  delay(1000);
  lcd.createChar('a',tempchar1);
  lcd.createChar(2,tempchar2);
  lcd.createChar(3,tempchar3);
  lcd.createChar(4,tempchar4);
  lcd.setCursor(0,0);
  lcd.write(1);
  lcd.setCursor(0,1);
  lcd.write(2);
  lcd.setCursor(1,0);
  lcd.write(3);
  lcd.setCursor(1,1);
  lcd.write(4);
  lcd.setCursor(3,0);
  lcd.print("Thermometer");
  delay(5000);
  
  lcd.clear();
  // delay(1000);
  // lcd.createChar(1,humchar1);
  // lcd.createChar(2,humchar2);
  // lcd.createChar(3,humchar3);
  // lcd.createChar(4,humchar4);
  // lcd.setCursor(0,0);
  // lcd.write(1);
  // lcd.setCursor(0,1);
  // lcd.write(2);
  // lcd.setCursor(1,0);
  // lcd.write(3);
  // lcd.setCursor(1,1);
  // lcd.write(4);
  // lcd.setCursor(3,0);
  // lcd.print("Humidity");
  // delay(5000);

}