Devoxx 2013 io t
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@java#DV13 #iothackfest
Tori Wieldt, Yara Senger, Yoland and Vinicius
Oracle / OTN / Globalcode
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@java#DV13-#iothackfest
Thanks!Thanks!
Oracle Technology Network: Tori Wieldt, Senior Java Community Manager
Yolande Poirier, Java Community Manager
Devoxx Team
Thank YOU for being here!
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@java#DV13-#iothackfest
Vinicius SengerVinicius Senger
+20 years working with software development
Founder of Globalcode, training &consulting since 2001
Java EE developer profile
Started with electronics, Sun Spot, Arduino and Linux Embedded 5 years ago
Duke’s Choice Award 2011
JavaOne Rockstar 2012
Now I'm Maker!
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@java#DV13-#iothackfest
Yara SengerYara Senger
SouJava President
Java Champion
Duke’s Choice Award 2011
JavaOne Rock Start 2012
Director of The Developer’s Conference
and …
My wife!!!
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@java#DV13-#iothackfest
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@java#DV13-#iothackfest
Ubatuba = 86 different beaches!Ubatuba = 86 different beaches!
Come visit us!Come visit us!
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@java#DV13-#iothackfest
Devoxx IoT Hack FestDevoxx IoT Hack Fest
Promoted by Oracle and Devoxx;
Two days of IoT, Java and hacking!
Not a competition;
Educational content in the morning;
Hacking and hands-on in the afternoon;
Mentors and Experts for Java Embedded Platform
Sponsored by Oracle Technology Network (cwyat)
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@java#DV13-#iothackfest
3rd Java IoT / Embedded "Hack Fest"3rd Java IoT / Embedded "Hack Fest"
July, Brazil TDC: RPi Hackathon
October, US JavaOne: RPi Developer Challenge
November, BE Devoxx: IoT Hack Fest
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@java#DV13-#iothackfest
Devoxx Hack FestDevoxx Hack Fest
Learn: Raspberry Pi & Java / Leap Motion
Idea brainstorm: World Wide Cafe with Yara Senger
Team Development: Make a prototype during two days with mentors help
Publish: source code, OTN Blog and during Steve's talk tomorrow!
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@java#DV13-#iothackfest
The PrizesThe Prizes
Knowledge
Networking
FUN!!!!!!
Hugs for Free!!
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@java#DV13-#iothackfest
MondayMonday
9:30 – 11:00 - Vinicius Senger
• Introduction to Raspberry Pi and IoT
• Raspberry Pi + GPIO + Java
•Hands-on Lab with Oracle's Kit
11:00 – 11:45 - Introduction to Leap Motion
11:45 – 12:30 – Brainstorm and Team Formation
13:30 – 20:00 - Project Development
•Your team can use Oracle's Kit!
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@java#DV13-#iothackfest
TuesdayTuesday
9:30 – 11:00 - Vinicius Senger
•Raspberry GPIO with PI4J
•Raspberry Pi Camera
•Raspberry + Arduino Integration
11:00 – 12:00 – Show Cases
12:00 – 12:30 – Teams Meeting
13:30 – 18:00 – Development
18:00 – 19:00 – Project presentations
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@java#DV13-#iothackfest
Hacking Fest – Oracle's KitHacking Fest – Oracle's Kit
8 x Raspberry Pi
2 x Camera
4 LCD plate
3 Arduino
5 x LCD Display
2 x LED Matrix
1 x Home Automation Box
1 x Embedded Panel – "Intranet of Things"
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@java#DV13-#iothackfest
Let's start the fest?Let's start the fest?
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@java#DV13-#iothackfest
The moment…The moment…
+ Do it yourself
+ Open-source hardware and software
+ Entrepreneurship / Crowdfunding
+ Creativity
+ Cheaper Tiny Computer
+ Easy of Embedded Development
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@java#DV13-#iothackfest
Do it yourselfDo it yourself
Fix yourself use to be the first stimulus for d.i.y.
Learn different things & life-style
End-to-end developer: wood, firmware, hardware, soldering, mechanics and creativity
Not about paying less or cheaper devices
Exciting moment for D.I.Y communities!
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@java#DV13-#iothackfest
Do it your self in action!Do it your self in action!
Student Satellites
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@java#DV13-#iothackfest
Do it your selfDo it your self
• Horse Instrumentation
• Arduino
• Heart beat
• Accelerometer
• GPS
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@java#DV13-#iothackfest
Do it your self in action!Do it your self in action!
Neutrons Diffractmeter
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@java#DV13-#iothackfest
Do it your self in action!Do it your self in action!
Boat Automation
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@java#DV13-#iothackfest
Your idea, your business!Your idea, your business!
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@java#DV13-#iothackfest
Internet of Things - IoTInternet of Things - IoT
One computer per (relevant) thing as the new one computer per child?
Smart Things ecosystem
More than 40 billion devices by 2020;
Things…
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@java#DV13-#iothackfest
Internet of ThingsInternet of Things
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@java#DV13-#iothackfest
Internet of ThingsInternet of Things
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@java#DV13-#iothackfest
Internet of ThingsInternet of Things
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@java#DV13-#iothackfest
Java & IoTJava & IoT
Enterprise Data & Applications
Embedded-Cloud
Embedded-Cloud
Meters
Smart Appliances & electronics
Personal Devices
Med-Large Embedded / Multi-function Devices
VoIP Comm
Industrial controls / Network Appliances
Management / Monitoring / Operations
Sensors / Microcontrollers
Connected Vehicles
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@java#DV13-#iothackfest
Raspberry Pi: small, simple andcheaper computer!Raspberry Pi: small, simple andcheaper computer!
•U$ 25 / U$ 35 Tiny Computer
• Arm v6 ARM1176JZF-S 700mhz / 512MB
•SOC Broadcom BCM2835
•GPU Videocore 4
•HDMI Video
•Ethernet and 2 USBs
•GPIO: UART, I2C, SPI, digitais
•Audio / LCD / Camera
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@java#DV13-#iothackfest
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@java#DV13-#iothackfest
Raspberry PiRaspberry Pi
Do it yourself and industry projects!
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@java#DV13-#iothackfest
Raspberry PiRaspberry Pi
Common user
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@java#DV13-#iothackfest
Raspberry PiRaspberry Pi
Hacking
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@java#DV13-#iothackfest
Starting your PiStarting your Pi
•Download your choise of OS:
•Raspbian (most popular and used here)
•Pidora
•Archlinux
•RISC Os
•Media Server XBMC
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@java#DV13-#iothackfest
Image to CardImage to Card
•Linux Command
•dd if=<img.img> of=/dev/sdb
•Take CARE!
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@java#DV13-#iothackfest
Power SupplyPower Supply
•5volts 1amp recommended!
•Micro USB
•Use a good power supply, it's sensible
•Rebooting use to be a power supply problem
•UBEC for battery regulator
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@java#DV13-#iothackfest
Boot!Boot!
•user: pi
•password: raspberry
•xserver is not started by default!
•command: startx
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@java#DV13-#iothackfest
DemoDemo
•Starting Raspberry Pi!
•Booting Rpi
•startx
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@java#DV13-#iothackfest
/etc/interfaces/network
auto lo
iface lo inet loopbackiface eth0 inet dhcp
allow-hotplug wlan0iface wlan0 inet dhcpwpa-conf /etc/wpa_supplicant/wpa_supplicant.confiface default inet dhcp
Network Setup (DHCP)Network Setup (DHCP)
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@java#DV13-#iothackfest
/etc/interfaces/network
auto lo
iface lo inet loopbackiface eth0 inet dhcp
allow-hotplug wlan0iface wlan0 inet static address 192.168.1.118 gateway 192.168.1.1 netmask 255.255.255.0wpa-conf /etc/wpa_supplicant/wpa_supplicant.confiface default inet dhcp
Network Setup: Static IPNetwork Setup: Static IP
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@java#DV13-#iothackfest
/etc/wpa_suplicant/wpa_suplicant.confnetwork={ ssid="ssid name" psk="key"}
Network Setup: WIFINetwork Setup: WIFI
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@java#DV13-#iothackfest
sudo raspi-configsudo raspi-config
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@java#DV13-#iothackfest
vncvnc
Start the server: vncserver :1
Create a password
Using VNC Client ip address + :1
•ip address:1
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Demo
@java#DV13 #iothackfest
vnc, network setup and raspi-config
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@java#DV13-#iothackfest
Raspberry Pi GPIORaspberry Pi GPIO
P1-01
5V GND 18 23 24 25 8 711 (S
CLK
)
2227174
3.3V
5V GND GND
GND GND GND
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@java#DV13-#iothackfest
GPIOGPIO
•Digital, Analog, PWM, UART, I2C and SPI
•Digital vs Analog
•PWM
•UART: old but gold Serial
•I2C and SPI: component bus
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@java#DV13-#iothackfest
Raspberry Pi GPIORaspberry Pi GPIO
•where the fun lives!
•17 digital pins:
•7 general, 1 pwm, 2 I2C, 5 SPI, 2 UART
•CMOS (3.3 volts) and not TTL (5 volts) take care!
•MAX232 can convert 5 – 3 volts vice-versa
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@java#DV13-#iothackfest
where the fun lives!
https://www.modmypi.com/blog/raspberry-pi-gpio-cheat-sheet
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@java#DV13-#iothackfest
Relay Board ExampleRelay Board Example
•GND, 5 volts, relay1, relay2
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@java#DV13-#iothackfest
wiringPIwiringPI
GPIO Interface library
•Command line GPIO manipulation
•Setup digital 24 as output:
sudo gpio -g mode 24 output
•"Turn on" digital 24:
sudo gpio -g write 24 1
•Turn off digital 24:
sudo gpio -g write 24 0
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@java#DV13-#iothackfest
wiringPIwiringPI
•Reading port state script#!/bin/bashCMD=$(sudo gpio -g read 24)echo $CMDif [ $CMD == "0" ]; then CMD="sudo gpio -g write 24 1";else CMD="sudo gpio -g write 24 0";fiecho $CMD$CMD
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@java#DV13-#iothackfest
webioPIwebioPI
•GPIO over the web
•Listen to port 8000, ex 192.168.1.12:8000
•User: webiopi
•Password: raspberry
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Demo
@java#DV13 #iothackfest
GPIO, wiringPi and WebIOPI
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@java#DV13-#iothackfest
Java & RPi Hack "Fast Image"Java & RPi Hack "Fast Image"
Ready to use!
•/home/pi/java is the central Java directory
•Comes with JDK 1.8, JES 7 and Java ME 3.3
•Sample Apps Available:
•Things RESTFul Gateway – Java EE App
•PiFit – Java SE
•Tweet4Pi – Java SE
•AutomationFX – Java FX
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@java#DV13-#iothackfest
Java SE EmbeddedJava SE Embedded
Optimized for Raspberry Pi / ARM
•Hard-float support
•All the JVM facilities embedded: debug, GC, distribution, class loading, etc.
•GPIO Access using Pi4j
•Your Java SE knowledge now embedded!!!
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@java#DV13-#iothackfest
Java EE Embedded:Java EE Embedded:
Server-side just arrives in embedded side!
•Lightweight Java EE server for embedded
•Stack: Java SE Embedded, Glassfish, JavaDB
•Embedded-cloud as the new client-server?
•Gateway for infrared, zigbee, rfid, rs232, rs485, etc.
•Cache, persistence, processing, integration, security, etc.
•REST / JPA / Servlet
•"firmware" as server!
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@java#DV13-#iothackfest
Java FXJava FX
•Good performance inside Raspberry Pi (runs direct on GPU)
•Setup Required:
boot/config – uncomment:
#framebuffer_width=1280
#framebuffer_height=720
Overclock 1Gh recommended (raspi-config)
Video memory split to 128mb (raspi-config)
Very rich interface for embeddded projects
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@java#DV13-#iothackfest
Java ME EmbeddedJava ME Embedded
Java ME for Real Embedded Projects!
•Internet das Coisas com 3G + Java ME + GPIO
•Manutenção, debug, OTA, ferramentas
•Baixo custo no Brasil: U$ 5 para larga escala!
•Indústria, protótipos e "Do It Your Self"
•BubbleBoard Gemalto
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@java#DV13-#iothackfest
Oracle Event Processing EmbeddedOracle Event Processing Embedded
Embedded being smart
•Complex event arrives in your embedded project!
•Data + persistence = database
•Data + Complex Event = information
•Information Collection = Smart!
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Demo
@java#DV13 #iothackfest
Java + Raspberry Pi
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@java#DV13-#iothackfest
Embedded PanelEmbedded Panel
•You can consume via REST or deploy your app there!
•Shared sensors / devices:
•2 Raspberry Pi's + 2 Arduino Based Board
•8 relays
•Water Pump, Fan, Pop Corn Machine
•LED RGB Stripe
•Alcohol, distance, temperature, humidity, light sensors
•Polar heart Monitor
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@java#DV13-#iothackfest
Components & Toys Components & Toys
Embedded Panel
•You can consume via REST or deploy your app there!
•Shared sensors / devices:
•2 Raspberry Pi's + 2 Arduino Based Board
•8 relays
•Water Pump, Fan, Pop Corn Machine
•LED RGB Stripe
•Alcohol, distance, temperature, humidity, light sensors
•Polar heart Monitor
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@java#DV13-#iothackfest
DEMO: Raspberry Pi + JES + ArduinoDEMO: Raspberry Pi + JES + Arduino
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@java#DV13-#iothackfest
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@java#DV13-#iothackfest
Components & Toys Components & Toys
Embedded Panel
•192.168.1.11 – Raspberry Pi #1 (Embedded Panel)
•192.168.1.12 – Raspberry Pi #2 (Embedded Panel)
•192.168.1.41 – Raspberry Pi #3 (Home Automation Box)
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@java#DV13-#iothackfest
Components & Toys Components & Toys
Embedded Panel – Pi #1
•http://192.168.1.11:8080/things/relay1 = AC #1
•http://192.168.1.11:8080/things/relay3 = AC #2
•http://192.168.1.11:8080/things/temp_out = Temperature external
•http://192.168.1.11:8080/things/temp_in = Board Temperature
•http://192.168.1.11:8080/things/humidity
•http://192.168.1.11:8080/things/distance
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Components & Toys Components & Toys
Embedded Panel – Pi #2
•http://192.168.1.12:8080/things/relay2 = AC #3
•http://192.168.1.12:8080/things/relay4 = AC #4
•http://192.168.1.12:8080/things/alcohol
•http://192.168.1.12:8080/things/temp_in = Board Temperature
•http://192.168.1.12:8080/things/servo = Servo Camera
•http://192.168.1.12:8081 = Camera Image
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@java#DV13-#iothackfest
Components & Toys Components & Toys
Home Automation Box
•http://192.168.1.41:8080/things/temp_out = Temperature external
•http://192.168.1.41:8080/things/temp_in = Board Temperature
•http://192.168.1.41:8080/things/humidity
•http://192.168.1.41:8080/things/red/x = red color (x=0 to 255)
•http://192.168.1.41:8080/things/green/x = green color (x=0 to 255)
•http://192.168.1.41:8080/things/blue/x = blue color (x=0 to 255)
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Things Gateway EmbeddedThings Gateway Embedded
•RESTFul App that exposes sensors and actuators to the Web
•Uses Java Embedded Suite Stack + Things API
•Allows you to access RPi GPIO and Arduinos
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Things Gateway EmbeddedThings Gateway Embedded
•Pre-installed on all SDCard
•Ready to use:
pi@pi1 ~ $ cd java/pi@pi1 ~/java $ ./things-gateway.sh Deploying /home/pi/java/things.jar ...Press <Enter> to exit server.
http://ip:8080/things/lighthttp://ip:8080/things/red/200http://ip:8080/things/distancehttp://ip:8080/things/XXXXX
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@java#DV13-#iothackfest
Things Gateway EmbeddedThings Gateway Embedded
http://ip:8080/things/red/200http://ip:8080/things/lighthttp://ip:8080/things/distance
Raspberry Pi Server
Things API
Arduino
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Things API – SourceThings API – Source
Sample code to access Arduino sensors using Things API:
git clone https://github.com/vsenger/things-api
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@java#DV13-#iothackfest
Things API – more tomorrow!Things API – more tomorrow!
git clone https://github.com/vsenger/things-api
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Hands-on labHands-on lab
•Using Oracle's kit