@stoprocent/bleno/examples/pizza/pizza.js

A Node.js module for implementing BLE (Bluetooth Low Energy) peripherals

const BlenoEventEmitter = require('../../lib/bleno-event-emitter');

class Pizza extends BlenoEventEmitter {
  constructor () {
    super();
    this.toppings = PizzaToppings.NONE;
    this.crust = PizzaCrust.NORMAL;
  }

  bake (temperature) {
    const time = temperature * 10;
    console.log('baking pizza at', temperature, 'degrees for', time, 'milliseconds');
    setTimeout(() => {
      const result =
        temperature < 350
          ? PizzaBakeResult.HALF_BAKED
          : temperature < 450
            ? PizzaBakeResult.BAKED
            : temperature < 500
              ? PizzaBakeResult.CRISPY
              : temperature < 600
                ? PizzaBakeResult.BURNT
                : PizzaBakeResult.ON_FIRE;
      this.emit('ready', result);
    }, time);
  }
}

const PizzaToppings = {
  NONE: 0,
  PEPPERONI: 1 << 0,
  MUSHROOMS: 1 << 1,
  EXTRA_CHEESE: 1 << 2,
  BLACK_OLIVES: 1 << 3,
  CANADIAN_BACON: 1 << 4,
  PINEAPPLE: 1 << 5,
  BELL_PEPPERS: 1 << 6,
  SAUSAGE: 1 << 7
};

const PizzaCrust = {
  NORMAL: 0,
  DEEP_DISH: 1,
  THIN: 2
};

const PizzaBakeResult = {
  HALF_BAKED: 0,
  BAKED: 1,
  CRISPY: 2,
  BURNT: 3,
  ON_FIRE: 4
};

module.exports.Pizza = Pizza;
module.exports.PizzaToppings = PizzaToppings;
module.exports.PizzaCrust = PizzaCrust;
module.exports.PizzaBakeResult = PizzaBakeResult;