// Stepper motor on Wokwi!

#include <Stepper.h>
#include <IRremote.h>
#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

  byte stepperStatus = 0;
  byte stepperDir = 0; //CCW
  byte rpm = 60;

const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution
// for your motor

// initialize the stepper library on pins 8 through 11:
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);


#define PIN_RECEIVER 2   // Signal Pin of IR receiver

IRrecv receiver(PIN_RECEIVER);

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
    // Init
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(3, 1);
  lcd.print("Key:");
  lcd.setCursor(2, 2);
  lcd.print("Code:");
  lcd.setCursor(3, 3);
  lcd.print("RPM:");


  // set the speed at 60 rpm:
  myStepper.setSpeed(rpm);
  // initialize the serial port:
  Serial.begin(9600);
   receiver.enableIRIn(); // Start the receiver
}

void loop() {

  myStepper.setSpeed(rpm);

    // Checks received an IR signal
  if (receiver.decode()) {
    translateIR();
    receiver.resume();  // Receive the next value
  }
  
if (stepperDir == 0){
  // step one revolution  in one direction:
  if (stepperStatus == 1){
  Serial.println("clockwise");
  myStepper.step(stepsPerRevolution);
  delay(500);
  }
}

if (stepperDir ==1){
  if (stepperStatus == 1){
  // step one revolution in the other direction:
  Serial.println("counterclockwise");
  myStepper.step(-stepsPerRevolution);
  delay(500);
  }
}

}
    
void translateIR()
{
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 162:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("Power");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 226:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("MENU");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 34:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("TEST");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 2:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("PLUS");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      rpm = rpm + 20;
      lcd.setCursor(7, 3);
      lcd.print("         ");
      lcd.setCursor(8, 3);
      lcd.print(rpm);
      break;
    case 194:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("BACK");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 224:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("PREV.");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      stepperDir = 1;
      break;
    case 168:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("PLAY");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      stepperStatus = !stepperStatus;
      break;
    case 144:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("NEXT");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      stepperDir = 0;
      break;
    case 104:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 0");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 152:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("MINUS");
      lcd.setCursor(8, 2);
      rpm = rpm - 20;
      lcd.print(receiver.decodedIRData.command);
      lcd.setCursor(7, 3);
      lcd.print("                 ");
      lcd.setCursor(8,3);
      lcd.print(rpm);
      break;
    case 176:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("key: C");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 48:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 1");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 24:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 2");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 122:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 3");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 16:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 4");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 56:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 5");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 90:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 6");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 66:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 7");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 74:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 8");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    case 82:
      lcd.setCursor(8, 1);
      lcd.print("               ");
      lcd.setCursor(8, 1);
      lcd.print("num: 9");
      lcd.setCursor(8, 2);
      lcd.print(receiver.decodedIRData.command);
      break;
    default:
      lcd.clear();
      lcd.print(receiver.decodedIRData.command);
      lcd.print(" other button");
  }
}