example-driver.js

const Grow = require('Grow.js');
const raspio = require('raspi-io');
const five = require('johnny-five');

// Create a new board object
const board = new five.Board({
 io: new raspio()
});

// When board emits a 'ready' event run this start function.
board.on('ready', function start() {
 // Declare needed variables.
 var emit_data;

 try {
 var multi = new five.Multi({
 controller: 'BME280'
 });
 } catch(err) {
 console.log('BME280 sensor not connected. Emitting random data.');
 this.emit('message', 'BME280 sensor not connected.');
 }

 var growHub = new Grow({
 uuid: '732db76b-7d92-4c6c-995f-ec0d34acf6f2',
 token: '5qL8nsFpqDf7m4cY9u6uFoXDKMfGJHf2',

 component: 'ClimateSensor',

 properties: {
 interval: 6000,
 growfile: {
 targets: {
 temperature: {
 min: 10,
 max: 25
 },
 humidity: {
 min: 10,
 max: 80
 },
 }
 }
 },

 start: function () {
 console.log('Grow-Hub initialized.');

 var interval = this.get('interval');

 emit_data = setInterval(()=> {
 this.temp_data();
 this.hum_data();
 }, interval);

 if (multi) {
 let growfile = this.get('growfile');
 this.registerTargets(growfile.targets);
 }
 },

 stop: function () {
 clearInterval(emit_data);
 this.removeAllListeners();
 this.removeTargets();
 },

 restart: function () {
 this.stop();
 this.start();
 },

 temp_data: function () {
 if (multi) {
 var currentTemp = multi.thermometer.celsius;

 this.emit('temperature', currentTemp);

 console.log('Temperature: ' + currentTemp);
 } else {
 this.emit('temperature', Math.random());
 }
 },

 hum_data: function () {
 if (multi) {
 var currentHumidity = multi.hygrometer.relativeHumidity;

 this.emit('humidity', currentHumidity);

 console.log('Humidity: ' + currentHumidity);
 } else {
 this.emit('humidity', Math.random());
 }
 }
 });

 growHub.connect({
 host: 'grow.commongarden.org',
 port: 443,
 ssl: true
 });
});