#include <Wire.h>
#include <AccelStepper.h>
#include <LiquidCrystal_I2C.h>


// Define the motor interface type
#define motorInterfaceType 1

// Define the step and direction pins
#define stepPin 3
#define dirPin 4

// Define the button pins
#define button1Pin 5
#define button2Pin 6

// Define the I2C address of the LCD display
#define LCD_ADDRESS 0x27

// Define the number of columns and rows of the LCD display
#define LCD_COLUMNS 16
#define LCD_ROWS 2

// Create a new instance of the AccelStepper class
AccelStepper stepper = AccelStepper(motorInterfaceType, stepPin, dirPin);

// Create a new instance of the LiquidCrystal_I2C class
LiquidCrystal_I2C lcd(LCD_ADDRESS, LCD_COLUMNS, LCD_ROWS);

void setup() {
  // Set the maximum speed and acceleration
  stepper.setMaxSpeed(1000);
  stepper.setAcceleration(500);

  // Set the button pins as input
  pinMode(button1Pin, INPUT);
  pinMode(button2Pin, INPUT);

  // Initialize the LCD display
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Speed: ");
  lcd.setCursor(0, 1);
  lcd.print("Position: ");
}

void loop() {
  // Check if button 1 is pressed
  if (digitalRead(button1Pin) == HIGH) {
    // Move forward 400 steps
    stepper.move(400);
    stepper.runToPosition();
    delay(100);
  }

  // Check if button 2 is pressed
  if (digitalRead(button2Pin) == HIGH) {
    // Move backward 1200 steps
    stepper.move(-1200);
    stepper.runToPosition();
    delay(100);
  }

  // Update the LCD display with the current speed and position of the stepper motor
  lcd.setCursor(7, 0);
  lcd.print(stepper.speed());
  lcd.setCursor(10, 1);
  lcd.print(stepper.currentPosition());
}