/*
 *Title: My Washing Machine Arduino Program
 *Author: Alexandra Rouse
 *Date: 01/05/2024
 *Version: v1.0
 *Purpose: This code runs a miniture model of a washing machine.
 */
 #include <Stepper.h>
 //declare variables here!
  const int stepsPerRevolution = 200;
  Stepper myStepper(stepsPerRevolution, 1, 2, 3, 4);
  
  #include <LiquidCrystal.h>

LiquidCrystal lcd(13, 11, 10, 9, 8, 7);
  
  //const int redled = 13; //redled is connected to digital pin 13
  //const int greybtn = 13; //greybtn is connected to digital pin 13
  //Servo myServo; //declare a servo object

// LED and Power Button  
int redledPin = A4;             // pin for the LED signal
int greybtnPin = A5;          // pin for the button signal
int buttonState = 0;        // current state of the button
int lastButtonState = 0;    // previous state of the button

void setup() {
  // put your setup code here, to run once:
//pinMode(12, OUTPUT); //set pin 12 as an output for bluebtn
//pinMode(11, OUTPUT); //set pin 11 as an output for blueled
myStepper.setSpeed(60);
  lcd.begin(16, 2); //display of 16 letters and 2 rows
  // you can now interact with the LCD
  pinMode(redledPin, OUTPUT);
  pinMode(greybtnPin, INPUT);

  }

void Poweron () {  //create a function called Poweron
  lcd.blink(); //Displays the blinking LCD cursor
  delay(4000); //wait 4 seconds
  lcd.noBlink(); // Turns off the blinking LCD cursor
  lcd.print("Powered On"); //prints Powered On on the LCD
  delay(2000);
  lcd.setCursor(3,1);  //starts text 3 blocks in on the 2nd line
  lcd.print("Select washing input");
  delay(2000);
  lcd.clear();         //clears the screen
}


void rinsecycle () {   //create a function called rinsecycle
  for (int i = 0; i < 5; i++) {
     lcd.clear();
     lcd.print("Rinsing"); //prints Powered On on the LCD
    myStepper.step(stepsPerRevolution);
    delay(500);  // Delay between steps, adjust as needed
  }
}

void spincycle () { //create a function called spincycle
  for (int i = 0; i < 11; i++) {
    lcd.clear();
     lcd.print("Spinning"); //prints Powered On on the LCD
    myStepper.step(stepsPerRevolution);}
    delay(50);  // Delay between steps, adjust as needed
}

void washcycle () { //create a function called washcycle
 for (int i = 0; i < 6; i++) {
    for (int i = 0; i < 3; i++) {
        // Step the motor 1 revolution clockwise
        lcd.clear();
     lcd.print("Washing"); //prints Powered On on the LCD
        myStepper.step(stepsPerRevolution);
        delay(500);  // Delay between steps, adjust as needed
    }
  // Anticlockwise rotation
    for (int i = 0; i < 2; i++) {
      // Step the motor 1 revolution anticlockwise
      myStepper.step(-stepsPerRevolution);
      delay(500);  // Delay between steps, adjust as needed
    }
}
}


void sound() {
// Pin where the buzzer is connected
const int buzzerPin = 5;

// Notes of the melody (frequency in Hz)
const int melody[] = {
  262, 294, 330, 349, 392, 440, 494, 523  // C4, D4, E4, F4, G4, A4, B4, C5
};

// Note durations: 4 = quarter note, 8 = eighth note, etc.
const int noteDuration[] = {  4, 4};

  // Play the melody
  for (int thisNote = 0; thisNote < 8; thisNote++) {
    // Calculate the note duration in milliseconds
    int noteDuration = 100 / noteDuration;
    
    // Play the note on the buzzer
    tone(buzzerPin, melody[thisNote++], noteDuration);
    
    // Pause between notes
    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);
    
    // Stop the tone
    noTone(buzzerPin);
  }
  
  // Wait for a while before repeating the melody
  delay(200);  // 0.2 seconds delay
}


void WashingCycle() {
  rinsecycle();
  washcycle();
  rinsecycle();
  spincycle();
  sound();
}

void loop() {
  buttonState = digitalRead(greybtnPin);
  if (buttonState != lastButtonState) { // != is Arduino code for Not Equal to
    if (buttonState == HIGH) {          // == Checks if the value of two operands is equal or  not, if yes then condition becomes true.
      digitalWrite(redledPin, !digitalRead(redledPin)); // toggle the LED
      Poweron();
      WashingCycle();
    }
  }
  lastButtonState = buttonState;
}