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page	Simple Iot Tutorial

Panel

title	Goal

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In the previous tutorial we created a list of 2 equipments. In this tutorial we're going to create an organ which will make equipments for us and 2 two automates to handle this new list.

System architecture:

Panel

title	Requirements

To follow this tutorial you must have done the Basic Equipment Tutorial.

Panel

title	The automate model

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In this part we will create another model that will be in charge of a group of equipment. This model needs 2 attributes:

name: so we can create multiple automates without losing track of them
equipments: an array of the equipments the automate has in charge

Add We're going to add an empty array named automates as property of of the equipementList model and create a model automate which has a name and a array of equipement as attributes. After the modification your file

spinal-model/model.js should look like this.

Code Block

language	js
theme	DJango
linenumbers	true

const spinalCore = require("spinal-core-connectorjs");

// Equipment model
function equipment() {
    equipment.super(this);
// Creating attributes
    this.add_attr({
        id: 0,
        name: "",
        hydrometry: 0,
        temperature: 0,
        pressed: false
    });
}
// Registering the equipment model in the Spinal system
spinalCore.extend(equipment, Model);
module.exports = equipment;

// equipmentList model
function equipmentList() {
    equipmentList.super(this);
// Array of equipments
    this.add_attr({
        equipments: [],
        automates: []
    });
}

// Registering the equipmentList model in the Spinal system
spinalCore.extend(equipmentList, Model);
module.exports = equipmentList;

// automate model
function automate() {
    automate.super(this);
    this.add_attr({
        name: "",
        equipments: []
    });
}
spinalCore.extend(automate, Model);
module.exports = automate;

Panel

title	The createEquipment organ

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Before we can use our new model we're going to need equipments for them to handle.

The createEquipment organ will create 10 equipments in a new list stored as "automate".

createEquipment/index.js

Code Block

language	js
theme	DJango
linenumbers	true

// Requirements and connection
const spinalCore = require('spinal-core-connectorjs');
require('../spinal-model/model.js');

console.log("Configuration Environment not found, using default config");
process.env.SPINALHUB_PORT = 7777;
process.env.SPINALHUB_IP = "127.0.0.1";
process.env.SPINAL_USER_ID = 168;
process.env.SPINAL_PASSWORD = "JHGgcz45JKilmzknzelf65ddDadggftIO98P";

const conn = spinalCore.connect(`http://${process.env.SPINAL_USER_ID}:${process.env.SPINAL_PASSWORD}@${process.env.SPINALHUB_IP}:${process.env.SPINALHUB_PORT}/`);

//  We load our automate
spinalCore.load(conn, "Automate", function (automate) {
  // callback success
}, function () {
  // callback error: We create a new list
  const list = new equipmentList();
  spinalCore.store(conn, list, "Automate", function () {
    addItem(list);
  });
}
);

//  We add 10 new equipments to the list
function addItem(list) {
  for (let i = 0; i < 10; i++) {
    let item = new equipment();

    item.id.set(i);
    item.name.set("equipment" + i);
    item.hydrometry.set(Math.floor(Math.random() * 30));
    item.temperature.set(Math.floor(Math.random() * 100));
    list.equipments.push(item);
  }
}

You can test it to see if it is working fine.

Code Block

language	bash
theme	DJango

~/equipment-system/createEquipment$ node index.js

A new list named "Automate" should have appeared in the admin UI, put it in the inspector.

You can see that that the equipment array contains 10 items whereas the automate array is empty.

At this point in this tutorial our spinal system looks like this:

Panel

title	Simulate sensors with automates

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We are now going to create 2 automates. Each one will be in charge of 5 equipment from the list. Both will periodically choose one of their equipment and change its hydrometry and temperature.

Automate 1

Create a new organ named "automate1".

Code Block

language	bash
theme	DJango

~/equipment-system$ mkdir automate1
~/equipment-system$ cd automate1
~/equipment-system/automate1$ touch index.js

automate1/index.js

Code Block

language	js
theme	DJango
linenumbers	true

// Requirements and connection
const spinalCore = require('spinal-core-connectorjs');
require('../spinal-model/model.js');

console.log("Configuration Environment not found, using default config");
process.env.SPINALHUB_PORT = 7777;
process.env.SPINALHUB_IP = "127.0.0.1";
process.env.SPINAL_USER_ID = 168;
process.env.SPINAL_PASSWORD = "JHGgcz45JKilmzknzelf65ddDadggftIO98P";

const conn = spinalCore.connect(`http://${process.env.SPINAL_USER_ID}:${process.env.SPINAL_PASSWORD}@${process.env.SPINALHUB_IP}:${process.env.SPINALHUB_PORT}/`);

// Loading the list
spinalCore.load(conn, "Automate", function (list) {
// callback success: if the array of automates is empty we create a first automate, else we press the first automate
  if (list.automates.length < 1)
    addAutomate(list);
  press(list.automates[0]);
}, function () {
// callback error
});

// Adds an automate to the list and attributes him the first 5 equipments
function addAutomate(list) {
  var automate1 = new automate();

  automate1.name.set("automate0");
  for (let i = 0; i < 5; i++) {
    automate1.equipments.push(list.equipments[i]);
  }
  list.automates.push(automate1);
}

// Randomly selects an equipment in the list and changes its hydrometry and temperature
function press(automate) {
  let selectedEquipment = Math.floor(Math.random() * 5);
  const equipment = automate.equipments[selectedEquipment];
  let hydro = Math.floor(Math.random() * 100);
  let degrees = Math.floor(Math.random() * 30);

  equipment.hydrometry.set(hydro);
  equipment.temperature.set(degrees);

// Repeats every second
  setTimeout(function () {
    console.log("automate1: has been pressed");
    press(automate);
  }, 1000);
}

Automate 2

Automate2 will be almost identical to automate1 so I suggest you start by copying automate1.

Code Block

language	bash
theme	DJango

~/equipment-system/automate1$ cd ..
~/equipment-system$ cp -r automate1 automate2
~/equipment-system$ cd automate2

There are very few changes to make to index.js so I will point them out instead of explaining everything again.

Code Block

language	js
theme	DJango
linenumbers	true

var spinalCore = require('spinal-core-connectorjs');
require('../spinal-model/model.js');

console.log("Configuration Environment not found, using default config");
process.env.SPINALHUB_PORT = 7777;
process.env.SPINALHUB_IP = "127.0.0.1";
process.env.SPINAL_USER_ID = 168;
process.env.SPINAL_PASSWORD = "JHGgcz45JKilmzknzelf65ddDadggftIO98P";

var conn = spinalCore.connect(`http://${process.env.SPINAL_USER_ID}:${process.env.SPINAL_PASSWORD}@${process.env.SPINALHUB_IP}:${process.env.SPINALHUB_PORT}/`);

spinalCore.load(conn, "Automate", function (list) {
//  An automate is created if there are less than 2 (instead of 1)
  if (list.automates.length < 2)
    addAutomate(list);
//  The list.automates[1] is pressed (instead of list.automates[0])
  press(list.automates[1]);
}, function () {
});

function addAutomate(list) {
// The variable is named automate2 in this function (instead of automate1)
  var automate2 = new automate();

// The name of the automate is automate1 (instead of automate0)
  automate2.name.set("automate1");
// The loop goes from 5 to 10 (instead of from 0 to 5)
  for (let i = 5; i < 10; i++) {
    automate2.equipments.push(list.equipments[i]);
  }
  list.automates.push(automate2);
}

function press(automate) {
  let selectEquipement = Math.floor(Math.random() * 5);
  const equipment = automate.equipments[selectEquipement];
  let hydro = Math.floor(Math.random() * 100);
  let degrees = Math.floor(Math.random() * 30);

  equipment.hydrometry.set(hydro);
  equipment.temperature.set(degrees);

  setTimeout(function () {
// This log message changes
    console.log("automate2: has been pressed");
    press(automate);
  }, 1000);
}

Panel

title	Test your system

Anchor

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Don't forget to add all this new organs to your .apps.json if it isn't already done.

.apps.json

Code Block

language	js
theme	DJango
linenumbers	true

{
  "apps": [
    {
      "name": "spinal-core-hub",
      "script": "spinalhub.js",
      "cwd": "./nerve-center/"
    },
    {
      "name": "createEquipement",
      "script": "index.js",
      "cwd": "./createEquipement/"
    },
    {
      "name": "automate1",
      "script": "index.js",
      "cwd": "./automate1/"
    },
    {
      "name": "automate2",
      "script": "index.js",
      "cwd": "./automate2/"
    }
  ]
}

2 new automates with 5 equipment each should have appeared in your list. You can compare the equipments in the equipments array and those in the automates to verify that they correspond.

Panel

title	Create warnings

Anchor

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	6

We now have 2 automates that change the data of equipments. Let's add analytic to the press function to catch those modifications.

We will change the press function in both so that when the hydrometry exceeds 70% or the temperature

automate1/index.js

Code Block

language	js
theme	DJango
firstline	29
linenumbers	true

function press(automate) {
    const selectedEquipment = Math.floor(Math.random() * 5);
    const equipment = automate.equipments[selectedEquipment];
    const hydro = Math.floor(Math.random() * 100);
    const degrees = Math.floor(Math.random() * 30);

    equipment.hydrometry.set(hydro);
    equipment.temperature.set(degrees);
//  If the equipment's hydrometry or temperature are above certain value we send a message and press the equipment
    if (hydro > 70 || degrees > 20) {
        equipment.pressed.set(true);
        console.log("Alert: " + equipment.name.get() + " warning");
    } else
// Else we release the equipment
        pressed.set(false);

    setTimeout(function () {
        console.log("automate1: has been pressed");
        press(automate);
    }, 1000);
}

automate2/index.js

Code Block

language	js
theme	DJango
firstline	29
linenumbers	true

function press(automate) {
    const selectedEquipment = Math.floor(Math.random() * 5);
    const equipment = automate.equipments[selectedEquipment];
    const hydro = Math.floor(Math.random() * 100);
    const degrees = Math.floor(Math.random() * 30);

    equipment.hydrometry.set(hydro);
    equipment.temperature.set(degrees);
    if (hydro > 70 || degrees > 20) {
        equipment.pressed.set(true);
        console.log("Alert: " + equipment.name.get() + " warning");
    } else
        equipment.pressed.set(false);

    setTimeout(function () {
        console.log("automate2: has been pressed");
        press(automate);
    }, 1000);
}

Now use pm2 restart and pm2 log to see when an equipment is in danger.

Code Block

language	bash
theme	DJango

~/button-system$ pm2 restart launch.config.js
~/button-system$ pm2 log

You should see something like this.

Conclusion

In this tutorial you learned how to:

Automatically created equipments using an organ
Created 2 automates to handle the equipments
Made those automates display warnings if a problem occurs

This tutorial will be continued in Get your Automate in the viewer.

...

Versions Compared

Old Version 25

New Version 26

Key

Table of contents

Quick navigation

System architecture:

Automate 1

Automate 2

Conclusion

Page Comparison

Versions Compared

Old Version 25

New Version 26

Key

Table of contents

Quick navigation

System architecture:

Automate 1

Automate 2

Conclusion