AWS IoTからのメッセージを受け取って、赤外線を送信するプログラム

config.js

exports.execs = {
  'tv-on': 'sudo irsend SEND_ONCE TV KEY_PLAY',
  'tv-input-change': 'sudo irsend SEND_ONCE TV KEY_SELECT',
  'tv-channel-down': 'sudo irsend SEND_ONCE TV KEY_CHANNELDOWN',
  'tv-channel-up': 'sudo irsend SEND_ONCE TV KEY_CHANNELUP',
  'tv-volume-down': 'sudo irsend SEND_ONCE TV KEY_VOLUMEDOWN',
  'tv-volume-up': 'sudo irsend SEND_ONCE TV KEY_VOLUMEUP',
  'tv-up': 'sudo irsend SEND_ONCE TV KEY_UP',
  'tv-down': 'sudo irsend SEND_ONCE TV KEY_DOWN',
  'tv-left': 'sudo irsend SEND_ONCE TV KEY_LEFT',
  'tv-right': 'sudo irsend SEND_ONCE TV KEY_RIGHT',
  'tv-enter': 'sudo irsend SEND_ONCE TV KEY_ENTER',
  'tv-back': 'sudo irsend SEND_ONCE TV KEY_BACK',
  'tv-degital': 'sudo irsend SEND_ONCE TV KEY_D',
  'tv-bs': 'sudo irsend SEND_ONCE TV KEY_B',
  'light-on': 'sudo irsend SEND_ONCE LIGHT KEY_PLAY',
  'light-off': 'sudo irsend SEND_ONCE LIGHT KEY_STOP',
  'light-up': 'sudo irsend SEND_ONCE LIGHT KEY_UP',
  'light-down': 'sudo irsend SEND_ONCE LIGHT KEY_DOWN',
  'video-on': 'sudo irsend SEND_ONCE VIDEO KEY_PLAY',
  'video-channel-down': 'sudo irsend SEND_ONCE VIDEO KEY_CHANNELDOWN',
  'video-channel-up': 'sudo irsend SEND_ONCE VIDEO KEY_CHANNELUP',
  'video-input-change': 'sudo irsend SEND_ONCE VIDEO KEY_SELECT'
}

index.js

const awsIot = require('aws-iot-device-sdk');
const config = require('./config');
var child_process = require("child_process");

const device = awsIot.device({
  keyPath: <YourPrivateKeyPath>,
  certPath: <YourCertificatePath>,
  caPath: <YourRootCACertificatePath>,
  clientId: <YourUniqueClientIdentifier>,
  host: <YourCustomEndpoint>
});

device.on('connect', function () {
  console.log('connect');
  Object.keys(config.execs).forEach((key) => {
    device.subscribe(key);
  });
});

device.on('message', function (topic, payload) {
  console.log('message', topic, payload.toString());
  child_process.exec(config.execs[topic], (err, stdout, stderr) => {
    if (err) {
      console.log(err.message);
    }
  });
});