Unit 18: Directional Control

 

 

 

 

Code for Sketch One: 

 

#include 

ezButton button(2); // Create an ezButton object for the joystick button

// LED pin definitions
const int northLED = 3;
const int eastLED = 4;
const int southLED = 6;
const int westLED = 5;

// Joystick axis
const int joystickX = A0; // Horizontal position
const int joystickY = A1; // Vertical position

// Threshold for joystick movement
const int threshold = 200; // Adjust this value based on sensitivity

// Sequence tracking
int currentStep = 0; // To track the current step in the sequence

void setup() {
  Serial.begin(9600); // Start serial communication for debugging
  
  // Set LED pins as output
  pinMode(northLED, OUTPUT);
  pinMode(eastLED, OUTPUT);
  pinMode(southLED, OUTPUT);
  pinMode(westLED, OUTPUT);
  
  // Initialize the button
  button.setDebounceTime(50); // Debounce time for the button
}

void loop() {
  button.loop(); // Update button state
  
  // Read joystick positions
  int xPos = analogRead(joystickX);
  int yPos = analogRead(joystickY);
  
  // Print joystick positions for debugging
  Serial.print("X Position: ");
  Serial.print(xPos);
  Serial.print(" | Y Position: ");
  Serial.println(yPos);

  // Check joystick movements in order
  if (currentStep == 0 && yPos < 512 - threshold) { // Move to North
    digitalWrite(northLED, HIGH);
    currentStep = 1; // Move to next step in sequence
  }
  else if (currentStep == 1 && xPos > 512 + threshold) { // Move to East
    digitalWrite(eastLED, HIGH);
    currentStep = 2; // Move to next step in sequence
  }
  else if (currentStep == 2 && xPos < 512 - threshold) { // Move to West
    digitalWrite(westLED, HIGH);
    currentStep = 3; // Move to next step in sequence
  }
  else if (currentStep == 3 && yPos > 512 + threshold) { // Move to South
    digitalWrite(southLED, HIGH);
    currentStep = 4; // Sequence complete
  }
  
  // If the sequence is complete, reset all LEDs and steps
  if (currentStep == 4) {
    delay(1000); // Keep the lights on for a moment
    digitalWrite(northLED, LOW);
    digitalWrite(eastLED, LOW);
    digitalWrite(westLED, LOW);
    digitalWrite(southLED, LOW);
    currentStep = 0; // Reset sequence
  }

  // Check if the joystick button is pressed
  if (button.isPressed()) {
    Serial.println("Button Pressed!");
  }
  
  delay(100); // Delay for a short time
}

  

Code for Sketch Two (Serial output):

#include 

ezButton button(2); // Create an ezButton object for the joystick button

// LED pin definitions
const int northLED = 3;
const int eastLED = 4;
const int southLED = 6;
const int westLED = 5;

// Joystick axis
const int joystickX = A0; // Horizontal position
const int joystickY = A1; // Vertical position

// Threshold for joystick movement
const int threshold = 200; // Adjust this value based on sensitivity

// Sequence tracking
int currentStep = 0; // To track the current step in the sequence

void setup() {
  Serial.begin(9600); // Start serial communication for debugging
  
  // Set LED pins as output
  pinMode(northLED, OUTPUT);
  pinMode(eastLED, OUTPUT);
  pinMode(southLED, OUTPUT);
  pinMode(westLED, OUTPUT);
  
  // Initialize the button
  button.setDebounceTime(50); // Debounce time for the button
}

void loop() {
  button.loop(); // Update button state
  
  // Read joystick positions
  int xPos = analogRead(joystickX);
  int yPos = analogRead(joystickY);
  
  // Print joystick positions for debugging
  Serial.print("X Position: ");
  Serial.print(xPos);
  Serial.print(" | Y Position: ");
  Serial.println(yPos);

  // Check joystick movements in order
  if (currentStep == 0 && yPos < 512 - threshold) { // Move to North
    digitalWrite(northLED, HIGH);
    Serial.println("Step 1: Moved North");
    currentStep = 1; // Move to next step in sequence
  }
  else if (currentStep == 1 && xPos > 512 + threshold) { // Move to East
    digitalWrite(eastLED, HIGH);
    Serial.println("Step 2: Moved East");
    currentStep = 2; // Move to next step in sequence
  }
  else if (currentStep == 2 && xPos < 512 - threshold) { // Move to West
    digitalWrite(westLED, HIGH);
    Serial.println("Step 3: Moved West");
    currentStep = 3; // Move to next step in sequence
  }
  else if (currentStep == 3 && yPos > 512 + threshold) { // Move to South
    digitalWrite(southLED, HIGH);
    Serial.println("Step 4: Moved South - Sequence Complete!");
    currentStep = 4; // Sequence complete
  }
  
  // If the sequence is complete, reset all LEDs and steps
  if (currentStep == 4) {
    delay(1000); // Keep the lights on for a moment
    Serial.println("Resetting sequence...");
    digitalWrite(northLED, LOW);
    digitalWrite(eastLED, LOW);
    digitalWrite(westLED, LOW);
    digitalWrite(southLED, LOW);
    currentStep = 0; // Reset sequence
  }

  // Check if the joystick button is pressed
  if (button.isPressed()) {
    Serial.println("Button Pressed!");
  }
  
  delay(100); // Delay for a short time
}
  

 

Notes: