#Make01

La casa aperta: domotica Open Source
dal'hardware al software
Francesco Guidieri e Sandro Salari

francesco.guidieri@rcp-vision.com - RCP Vision
sandro.salari@gmail.com – RCP Vision

sandro.salari@gmail.com - RCP Vision

Presentiamoci

Guidieri Francesco(@fraguid)
Francesco is co-founder of RCP-Vision, an Italian Eclipse-based
company. He has working with RCP Development in several customer
assignments. His main areas of expertise cover also modeling, testing,
headless builds and continuous integration.

Salari Sandro (@CodeStudio_SS)
Sandro is an independent consultant software architect. He derives
broad expert knowledge from about 10 years of software development.
His expertise areas covers the development of Eclipse RCP, enterprise
web, and embedded firmware applications.

Works together at

Perchè DIY (Do It Yourself)

Obiettivi:
Ottenere un sistema economico e flessibile

Soluzioni:

Hardware : Arduino
Software: OpenHab

Open Source Electronics

Physical computing Prototyping platform
Sensori Documentata
Elaborazione Economica
Attuatori Flessibile
Comunicazione Open source


Arduino Platform : hardware

●
Microcontrollore ATmega328
●
Tensione di lavoro 5V
●
14 pin I/O digitali
●
6 pin analogici
●
32 KB di memoria Flash
●
Interfaccia USB, I2C, SPI
●
Shields (ethernet, motor...~288)
●
Prezzo board Uno : 20€


Arduino Platform : software

●
Linguaggio di programmazione (Wiring)
●
Ambiente di sviluppo (Processing)
●
Librerie(EEPROM,Ethernet,LiquidCrystal,
,SD,Servo,SPI,SoftwareSerial,WiFi, Wire)


Arduino Platform : software

//TMP36 Pin Variable
int sensorPin = 0; //the analog pin the TMP36's Vout (sense) pin is connected to
//the resolution is 10 mV / degree centigrade with a
//500 mV offset to allow for negative temperatures

/*
* setup() - this function runs once when you turn your Arduino on
* We initialize the serial connection with the computer
*/
void setup()
{
Serial.begin(9600); //Start the serial connection with the computer
//to view the result open the serial monitor
}

void loop() // run over and over again
{
int reading = analogRead(sensorPin);
float voltage = reading * 5.0;
voltage /= 1024.0;
// print out the voltage
Serial.print(voltage);
Serial.println(" volts");
// now print out the temperature
float temperatureC = (voltage - 0.5) * 100 ; //converting from 10 mv per degree wit 500 mV offset
//to degrees ((volatge - 500mV) times 100)

Serial.print(temperatureC); Serial.println(" degrees C");
delay(1000); //waiting a second
}


Atmel Chips

ATtiny85 8-Bit Processor Arduino Mega 2560 R3
●
8 pin (~2€) ●
ATmega2560 microcontroller
●
Programmabile con Uno ●
Input voltage - 7-12V
●
8K Program space ●
54 Digital I/O Pins
●
6 I/O lines ●
16 Analog Inputs
●
4-channel 10 bit ADC ●
16Mhz Clock Speed


Go remote with XBee

●
2.4GHz XBee from Digi (~ 20€)
●
802.15.4 stack (Zigbee basis)
●
Point to point and multi-point networks (mesh: leaf,
coordinator, router)
●
Remote serial port; API mode (local and remote); AT
command
●
Low power (3.3V @ 50mA) and sleep mode (sleep
sync/async ~ 10uA)
●
Range (whip antenna): Out(pro)/In(pro): 250m
(1300m) / 25m (108m)
●
6 / 10-bit ADC input pins ; 8 digital IO pins
●
X-CTU GUI, JAVA API (http://code.google.com/p/xbee-
java-api/)


Open Source Home Automation

Cosa cercavamo Cosa abbiamo trovato
Un sistema di Home Automation Tecnologie open source altamente
open, customizzabile e facilmente integrate con un ambiente di sviluppo
estendibile
Lo standard OSGI permette di
Elaborazione e rappresentazione dei pluggare il sistema con diversi moduli
dati non vincolata ad una tecnologia di interfaccia, al momento Web,
di visualizzazione native Mobile o ... (REST)

Capacità di interazione con dispositivi Diversi tipo di comunicazione con
hardware eterogenei e supporto a l'hardware supportati tramite un
diversi tipi di comunicazione Event Bus applicativo


OpenHAB

●
GPL, un progetto ospitato a Google Code
●
OSGI-based Runtime
●
Eclipse RCP Condiguration Tool

Event Admin
Eclipse Modeling

Jetty
Xtext

Declarative
Jboss Drools
Services


OpenHAB Event Bus


OpenHAB features

User Interfaces: Bindings hardware:
●
Smartphone UI ●
KNX
●
Console via XMPP ●
One-Wire
●
Google Calendar Events ●
RS-232
●
REST-API ●
Bluetooth
Rule Actions ●
HTTP In/Out
●
Mails via SMTP ●
Exec (Command line)
●
XMPP / Jabber Notifications ●
NTP (Network Time Player)
●
Prowl Notifications Persistence:
●
Text-to-Speech ●
DB4O
●
Soundfile / Stream Player ●
RDD4j
●
Volume Control ●
Open.Sen.Se


OpenHAB UI features


DEMO: controllo carichi

Status
Updates
Commands


Demo : Rilevazione intrusioni


Impianto reale


#Make01

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