In previous tutorials we used Raspberry Pi to drive Phidgets InterfaceKit. We have also set up a web server on Raspberry.
In this tutorial we will use the information gathered to create an Home Automation System managed with a Web Application.
You need:
a Raspberry Pi B or B+, with installed Web Server and the Phidgets library or you can use our Raspberry Pi – SBC, MODEL B+, 512M MicroSD 8GB Phidgets ready
a 1018_2 – PhidgetInterfaceKit 8/8/8
8 led.
Connect the 1018 to a USB port on Raspberry; the leds to the digital outputs of the 1018 and gnd.
Step 1: The code
Create a new folder that will contain all the files
sudo mkdir /home/pi/domo-emmeshop
Create a new file index.php
sudo nano /home/pi/domo-emmeshop/index.php
with this content
<!DOCTYPE html>
<html>
<head>
<title>EmmeShop Domotics</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.css" />
<script src="https://code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js"></script>
<script src="domo-emmeshop.js"></script>
</head>
<body>
<div data-theme="a" data-role="header">
<p align="center"><img src="https://www.emmeshop.eu/blog/themes/bartik/Logo-Emmeshop.png" alt="Home"></p>
</div>
<div class="content-output" >
<div class="s-title"><center>Home Automation</center></div>
<ul data-role="listview" data-inset="true" >
<li>
<button class="ui-btn ui-corner-all" id="0">Output 0</button>
</li>
<li>
<button class="ui-btn ui-corner-all" id="1">Output 1</button>
</li>
<li>
<button class="ui-btn ui-corner-all" id="2">Output 2</button>
</li>
<li>
<button class="ui-btn ui-corner-all" id="3">Output 3</button>
</li>
<li>
<button class="ui-btn ui-corner-all" id="4">Output 4</button>
</li>
<li>
<button class="ui-btn ui-corner-all" id="5">Output 5</button>
</li>
<li>
<button class="ui-btn ui-corner-all" id="6">Output 6</button>
</li>
<li>
<button class="ui-btn ui-corner-all" id="7">Output 7</button>
</li>
</ul>
</div>
<div data-theme="a" data-role="footer">
<p align="center"><h2>Emmeshop Electronics</h2></p>
</div>
</body>
</html>
Create a new file domo-emmeshop.js
sudo nano /home/pi/domo-emmeshop/domo-emmeshop.js
with this content
$(document).ready(function(){
$("button").click(function(){
$.post("action.php",
{
outId:(this.id)
},
function(data,status){
//alert("Data: " + data + "\nStatus: " + status);
});
});
});
Create a new file action.php
sudo nano /home/pi/domo-emmeshop/action.php
with this content
<?php
$gpin="0";
if (isset($_POST['outId']))
{
$gpin=$_POST['outId'];
}
shell_exec('sudo python /var/www/domo-emmeshop.py'.' '.$gpin);
?>
Make a link of domo-emmeshop from /home/pi/domo-emmeshop to /var/www/domo-emmeshop .
sudo ln -s /home/pi/domo-emmeshop /var/www/domo-emmeshop
Finally, create a python file domo-emmeshop.py
sudo nano /var/www/domo-emmeshop.py
with this content
#!/usr/bin/env python
#Basic imports
from ctypes import *
import sys
import random
import os
#Phidget specific imports
from Phidgets.PhidgetException import PhidgetErrorCodes, PhidgetException
from Phidgets.Events.Events import AttachEventArgs, DetachEventArgs, ErrorEventArgs, InputChangeEventArgs, OutputChangeEventArgs, SensorChangeEventArgs
from Phidgets.Devices.InterfaceKit import InterfaceKit
outId = int(sys.argv[1])
#Create an interfacekit object
try:
interfaceKit = InterfaceKit()
except RuntimeError as e:
print("Runtime Exception: %s" % e.details)
print("Exiting....")
exit(1)
#Event Handler Callback Functions
def interfaceKitAttached(e):
attached = e.device
def interfaceKitDetached(e):
detached = e.device
print("InterfaceKit %i Detached!" % (detached.getSerialNum()))
def interfaceKitError(e):
try:
source = e.device
print("InterfaceKit %i: Phidget Error %i: %s" % (source.getSerialNum(), e.eCode, e.description))
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
def interfaceKitInputChanged(e):
source = e.device
def interfaceKitSensorChanged(e):
source = e.device
def interfaceKitOutputChanged(e):
source = e.device
#Main Program Code
try:
interfaceKit.setOnAttachHandler(interfaceKitAttached)
interfaceKit.setOnDetachHandler(interfaceKitDetached)
interfaceKit.setOnErrorhandler(interfaceKitError)
interfaceKit.setOnInputChangeHandler(interfaceKitInputChanged)
interfaceKit.setOnOutputChangeHandler(interfaceKitOutputChanged)
interfaceKit.setOnSensorChangeHandler(interfaceKitSensorChanged)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
try:
interfaceKit.openPhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
try:
interfaceKit.waitForAttach(10000)
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
try:
interfaceKit.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
print("Exiting....")
exit(1)
else:
if interfaceKit.getOutputState(outId)==1:
interfaceKit.setOutputState(outId,0)
else:
interfaceKit.setOutputState(outId,1)
try:
interfaceKit.closePhidget()
except PhidgetException as e:
print("Phidget Exception %i: %s" % (e.code, e.details))
print("Exiting....")
exit(1)
exit(0)
For more detail: Home Automation Raspberry and Phidgets
