/* i2c LCD control for 16x2. 
 * Tutorial: http://www.electronoobs.com/eng_arduino_tut51.php
 * Tutorial: http://www.electronoobs.com/eng_arduino_tut51_sch1.php
 */


//LCD config
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include <OneWire.h>              //for temp sensor
#include <DallasTemperature.h>    //for temp sensor
LiquidCrystal_I2C lcd(0x27,20,4);  //sometimes the LCD adress is not 0x3f. Change to 0x27 if it dosn't work.
int i = 0;
int counter = 0;                   //fejkvariabel för att simulera räkning

// Data wire is conntec to the Arduino digital pin 4
#define ONE_WIRE_BUS 7

// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature sensor 
DallasTemperature sensors(&oneWire);

//My own characters
uint8_t ball1[8] = {B00000, B00000,B00100,B01110,B01110,B00100,B00000,B00000};

uint8_t battery1[8] = {
  B00100,
  B01110,
  B10001,
  B10001,
  B10001,
  B10001,
  B10001,
  B11111
};

uint8_t battery2[8] = {
  B00100,
  B01110,
  B10001,
  B10001,
  B10001,
  B10001,
  B11111,
  B11111
};



void setup() {
  lcd.init();                 //Init the LCD
  lcd.backlight();            //Activate backlight     
  sensors.begin();
  sensors.setResolution(9); 
  Serial.begin(9600);

  //Create own characters
  lcd.createChar(0, ball1);

}

void loop() {

  sensors.requestTemperatures();      // Call sensors.requestTemperatures()
  float tempCelcius = sensors.getTempCByIndex(0);
  int tempNoDecimals = (int)tempCelcius;        //Ta bort decimalerna
  static bool oneTime = false;
  static int counter = 0;



  /*test av custom character
  byte customChar[] = {
  B00000,
  B00000,
  B00100,
  B01110,
  B01110,
  B00100,
  B00000,
  B00000
};


  
  if(!oneTime){
  // Turn off the display:
  lcd.clear();
  lcd.print("     Animate");
  lcd.setCursor(0,1);
  lcd.print("      Test");
  oneTime = true;
  delay(2000);
  lcd.clear();
  }
  */

/*  for(int i = 0; i <=16; i++){
    lcd.setCursor(i,0);
    lcd.print("O");
    delay(500);
  }

  for(int j = 0; j <=16; j++){
    lcd.setCursor(j,0);
    lcd.print("o");
  }
  

for (int i = 0, j = 0, k = 0; i <= 16 || j <= 16 || k <= 16;  i++, j++, k++) {
  if (i <= 16) {
    lcd.setCursor(i, 0); // Första "O" på rad 0
    lcd.print("O");
    delay(100);
  }

  if (j <= 16) {
    lcd.setCursor(j, 0); // Andra "o" på rad 1
    lcd.print("o");
    delay(100);
  }

  if (k <= 16) {
    lcd.setCursor(j, 0); // Andra "o" på rad 1
    lcd.print(" ");
    delay(100);
  }
  */

    lcd.setCursor(0, 0);
    lcd.write(0);
    delay(100);

    lcd.setCursor(0, 0);
    lcd.print("o");
    delay(100);

    lcd.setCursor(0, 0);
    lcd.print("_");
    delay(100);

    lcd.setCursor(0, 0);
    lcd.print("o");
    delay(100);

}