Arduino and joysticks - Part 1

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//16x2 LCD
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);


//Pins
const byte Analog_X_pin = A0; //x-axis readings
const byte Analog_Y_pin = A1; //y-axis readings
const byte Analog_Button_pin = 2; //attachinterrupt compatible pin


//Variables
int Analog_X = 0; //x-axis value
int Analog_Y = 0; //y-axis value
bool Analog_Button = false; //button status

float timeNow; //timer for printing on the LCD

void setup()
{

  //SERIAL
  Serial.begin(115200);
  //-----------------
  //LCD
  lcd.begin();
  lcd.setCursor(0,0); //Defining positon to write from first row,first column .
  lcd.print("Analog joystick");
  lcd.setCursor(0,1);
  lcd.print("Demonstration"); //You can write 16 Characters per line .
  //
  delay(3000); //wait 3 sec
  PrintLCD();
  //----------------------------------------------------------------------------

  //PINS
  pinMode(Analog_X_pin, INPUT);
  pinMode(Analog_Y_pin, INPUT);
  pinMode(Analog_Button_pin, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(Analog_Button_pin), ButtonPressed ,FALLING);
  //----------------------------------------------------------------------------
  timeNow = millis();
}

void loop()
{

  ReadAnalog();


    if(millis() - timeNow > 200) //updating the LCD every 200 ms (this does not block the code!)
    {
    UpdateLCD();
    timeNow = millis(); //resetting timer
    }


}

void ReadAnalog()
{

  Analog_X = analogRead(Analog_X_pin);
  delay(10); //allowing a little time between two readings
  Analog_Y = analogRead(Analog_Y_pin);

}

void PrintLCD()
{
  //printing on the LCD
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("X-axis: ");
  lcd.setCursor(8,0);
  lcd.print(Analog_X);    //Print the value
  //
  lcd.setCursor(0,1);
  lcd.print("Y-axis: ");
  lcd.setCursor(8,1);
  lcd.print(Analog_Y);    //Print the value
}

void UpdateLCD()
{
  //We only update the values that are changing
  lcd.setCursor(8,0);
  lcd.print("      ");
  lcd.setCursor(8,0);
  lcd.print(Analog_X);    //Print the value
  //Turn off serial if you do not use it with the PC
  Serial.print("X: ");
  Serial.println(Analog_X);
  //
  lcd.setCursor(8,1);
  lcd.print("      ");
  lcd.setCursor(8,1);
  lcd.print(Analog_Y);    //Print the value
  //Turn off serial if you do not use it with the PC
  Serial.print("Y: ");
  Serial.println(Analog_Y);

  if(Analog_Button == true)
  {
    lcd.setCursor(15,1);
    lcd.print("1");
    Serial.println("Button pressed");
    Analog_Button = false; //reset button's status
  }
  else
  {
    lcd.setCursor(15,1);
    lcd.print("0");
  }

}


void ButtonPressed()
{
    Analog_Button = true; //flip the variable
}