// include the Arduino SPI library
#include <SPI.h>

// define the pins used for the rotary encoder
#define ROTARY_ENCODER_CLK 3
#define ROTARY_ENCODER_DT 4
#define ROTARY_ENCODER_SW 5

// define the pins used for the joystick
#define JOYSTICK_X A0
#define JOYSTICK_Y A1
#define JOYSTICK_SW 2

// variables to store the previous and current state of the rotary encoder
int previousState = 0;
int currentState = 0;

void setup() {
  // initialize the serial communication
  Serial.begin(9600);

  // set the rotary encoder pins as inputs
  pinMode(ROTARY_ENCODER_CLK, INPUT_PULLUP);
  pinMode(ROTARY_ENCODER_DT, INPUT_PULLUP);
  pinMode(ROTARY_ENCODER_SW, INPUT_PULLUP);

  // set the joystick pins as inputs
  pinMode(JOYSTICK_X, INPUT);
  pinMode(JOYSTICK_Y, INPUT);
  pinMode(JOYSTICK_SW, INPUT_PULLUP);
}

void loop() {
  // read the state of the rotary encoder
  currentState = digitalRead(ROTARY_ENCODER_CLK);
  if (currentState != previousState) {
    if (digitalRead(ROTARY_ENCODER_DT) != currentState) {
      // the rotary encoder is rotating clockwise
      Serial.println("Clockwise");
    } else {
      // the rotary encoder is rotating counterclockwise
      Serial.println("Counterclockwise");
    }
    previousState = currentState;
  }

  // read the state of the joystick
  int joystickX = analogRead(JOYSTICK_X);
  int joystickY = analogRead(JOYSTICK_Y);
  if (joystickX < 100) {
    // the joystick is moved to the left
    Serial.println("Left");
  } else if (joystickX > 900) {
    // the joystick is moved to the right
    Serial.println("Right");
  }
  if (joystickY < 100) {
    // the joystick is moved upward
    Serial.println("Up");
  } else if (joystickY > 900) {
    // the joystick is moved downward
    Serial.println("Down");
  }

  // read the state of the joystick button
  if (digitalRead(JOYSTICK_SW) == LOW) {
    // the joystick button is pressed
    Serial.println("Joystick Button Pressed");
  }

  // read the state of the rotary encoder button
  if (digitalRead(ROTARY_ENCODER_SW) == LOW) {
    // the rotary encoder button is pressed
    Serial.println("Rotary Encoder Button Pressed");
  }

}