exploringraspi-130910124730-phpapp01

7/23/2019 exploringraspi-130910124730-phpapp01

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Exploring Raspberry Pi

http://elinux.org/images/f/f4/RaspiFront.JPG

http://upload.wikimedia.org/wikipedia/en/c/cb/RaspberryPi!ogo.s"g





About Speakers

● Lentin Joseph, Achu Wilson and Aronin Chandu

● Experience in Robotics and Embedded systems or

last ! years● http"##$$$%lentin&oseph%com

● http"##$$$%sastrarobotics%com

http://www.lentinjoseph.com/

http://www.sastrarobotics.com/

http://www.sastrarobotics.com/

http://www.lentinjoseph.com/



'uestions (((

● Why did you choose this $orkshop (

● What are you expecting rom this $orkshop (

● What do you $ant to make $ith RaspberryPi (



Agenda● )ntroduction to Raspberry● *ard$are description

● )nstallation o +S

● +S )ntroduction

● Remote Acess using SS*,-C

● Package .anagement● /P)+,)0C,SP)



Agenda

● Python 1 /CC● Wiring Pi and Python /P)+

●

*ello2World demo● LE3 4link, PW. etc

● Raspberry Pi and Arduino

● Raspberry Pi and Camera● *ackathon



Raspberry Pi 1 PC



Compare Raspberry Pi and a PC

#omponents !aptop or P# Raspberry Pi %er &Processor 'ntel (.( Gh)*+ual

#ore,-- h)*ingle#ore 0rm 11

R0 2G& 31( &

Graphics 'ntel + 5--- +ual core "ideocore '%

6thernet 7es 7es

8& (.- 7es 7es

%ideo 9/P %G0 *+' #omposite R#0+'

0udio 9/P 7es 7es

torage 3-- G& arddisk 5( G& + #ard

9perating ystem !inux/indows 9nly !inux

+imensions 14 inch laptop ;.2x3.4x1., cm



Raspberry Pi .odel A14



Raspberry Pi Components



Raspberry Pi Components



4C. 05!6 SoC7System on Chip8



Raspberry Pi " /P)+



Raspberry Pi " /P)+

● 5x /P)+ 7/eneral Purpose )nput#+utput8

● 9AR: ,)0C ,SP) 4us

●

!%! and 6 pins



Rpi Connection 3iagram



Rpi Connection 3iagram



4asic /-9#Linux commands

● ;ls < List =iles

● ;cd < Change 3irectory

●

;mkdir < Create older● ;rmdir < 3elete older

● ;clear < Clear terminal

● ;nano < :ext editor




● ;dmesg < Sho$ kernel messages

● ;lsusb < List connected usb de>ices

●

;cp < Copy =iles● ;ssh < Secure shell

● ;scp < Copy iles rom one pc to other using ssh

● ;>nc>ie$er < Connect to >nc ser>er




● ;sudo < Run in root pri>ilage

● ;ping < Pinging to ip address

●

;nmap < Searching tool o )P and Ports



)nstallation o +S

● +S -ame " Raspbian#Linux

● 3o$nload link"

http"##$$$%raspberrypi%org#do$nloads● 4ased on 3ebian operating system

● 3esktop En>iornment " L?3E

● Light $eight +S

http://www.raspberrypi.org/downloads

http://www.raspberrypi.org/downloads



)nstallation o +S

● )nstallation tools

● =or Windo$s● Win!03isk)mager%exe

● http"##sourceorge%net#pro&ects#$in!0diskimager#

● =or Linux● ;dd

● http"##sourceorge%net#pro&ects#$in!0diskimager#

http://sourceforge.net/projects/win32diskimager/






)nstallation o +S

● Procedure in Linux● =ormat S3 Card in =A: !0#ext0

● sudo dd bs@m i@Bname2o2image%img o@Bde>ice name

● Eg" sudo dd bs@m i@0D!FD0FDGF$heeHyFraspbian%imgo@#de>#sdb



Setting SS*

● SS* < Secure Shell

● http"##en%$ikipedia%org#$iki#Secure2Shell

●

3irect and Remote Login methods in Rpi● :ypes o remote connections

● Rpi and PC connected through router

● Rpi and PC connected through direct connection● Rpi Wii *otspot

http://en.wikipedia.org/wiki/Secure_Shell

http://en.wikipedia.org/wiki/Secure_Shell



RaspiFconig

● What is raspiFconig



Setting -C Ser>er

● -C7irtual -et$ork Computing8● http"##en%$ikipedia%org#$iki#-C2ser>er

● /raphical desktop sharing system

● )nstallation● ;sudo aptFget install tight>ncser>er

● )n Raspberry Pi● ; >ncser>er " Fgeometry !IIxIDD Fdepth I Fpixelormat rgb6I6

●

http://en.wikipedia.org/wiki/VNC_server

http://en.wikipedia.org/wiki/VNC_server



Setting -C Ser>er

● )n PC● )nstall tight>nc>ie$er

● ; >nc>ie$er ip"6GD

●

; >nc>ie$er G0%I5%%!"6GD



Remote 3esktop



)ntroduction to Raspbian



Package .anagement

● ;aptFget install

● Synaptic Package .anager " /9) o aptFget

●

;dpkg



/P)+ ,)0C,1SP)



/P)+ ,)0C,1SP)

● /P)+ Libraries● Rpi%/P)+

● Wiring Pi



Rpi%/P)+ )nstallation

● /P)+ Library )nstallation● ; sudo aptFget update

● ; sudo aptFget install pythonFde>

● ; sudo aptFget install pythonFrpi%gpio



WiringPi )nstallation

● Wiring Pi Library )nstallation● ; sudo aptFget install gitFcore

● sudo aptFget update

●

sudo aptFget upgrade● git clone git"##git%drogon%net#$iringPi

● cd $iringPi

● git pull origin

●

cd $iringPi● %#build



Python 1 /CC

● )ntroduction to Python (● Sample codes

●

)ntroduction to /CC7/nu C compiler8● Sample Codes



Rpi%/P)+ 4asics➢

import RPi.GPIO as GPIO #Importing GPIO Module➢ import time # Importing Time module

➢

➢ GPIO.setmode(GPIO.BOARD) # Taking Pin number rom t!e board

➢ GPIO.setup("$ GPIO.O%T) # &etting "t! pin as O%TP%T

➢

➢ tr'

➢ !ile True

➢ GPIO.output("$ GPIO.*IG*) #&etting "t! pin !ig!

➢ time.sleep(") # " se+ dela'

➢ GPIO.output("$ GPIO.,O-) #&etting "t! pin lo

➢

time.sleep(")➢ inall'

➢ GPIO.+leanup() #leaning t!e +onigurations



WiringPi 4asics

● ; man gpio● ; gpio Fg :aking 4C. /P)+ -umber

● ;gpio KFg mode Bpin in#out#p$m#up#do$n#tri

● ; gpio KFg $rite Bpin B>alue

● ;gpio KFg p$m Bpin B>alue7DFD0!8

●

; gpio KFg read B pin● ; gpio readall



WiringPi Pinout

l



WiringPi Examples

●

Setting $iring pin to *)/*● ;gpio mode out

● ;gpio $rite

●

Setting PW.● ;gpio mode p$m

● ;gpio p$m 0DD

l k d



3emo2"4link Led



3emo20"4utton 1 )nput

3 PW.



3emo2!"PW.

3 LC3 ) i



3emo2"LC3 )nteracing

R b Pi 1 A d i



Raspberry Pi 1 Arduino

http://blog.oscarliang.net/raspberry<pi<and<arduino<connected<serial<gpio/

R b Pi 1 A d i

http://blog.oscarliang.net/raspberry-pi-and-arduino-connected-serial-gpio/

http://blog.oscarliang.net/raspberry-pi-and-arduino-connected-serial-gpio/




● 3irect Serial Connection

R b Pi 1 A d i




● 9S4 Connection

R b Pi 1 A d i



Raspberry Pi 1 Arduino// Arduino odeint serIn01oid setup() 2 &erial.begin(3455)0 61oid loop () 2 i(&erial.a1ailable()) 2

!ile (&erial.a1ailable()75)2 serIn 8 &erial.read()0 &erial.print(serIn$ B9T:)0

6 &erial.println()0 6

dela'("555)06

// P't!on ode in Raspberr' Pi

import serialimport timeser8serial.&erial(;/de1/tt'AM5;$3455)

!ile True

ser.rite(;A;)Time.sleep(")

R pb Pi 1 C m



Raspberry Pi 1 Camera

Raspberr Pi 1 Camera




● Connection" Camera Serial )nterconnect7CS)8

● .aximum Still Resolution" 0,6G0M,G7currently limited to ,G0DM,D5D8

● .aximum ideo Resolution",G0DM,D5D 7D5Dp8 !Dps





; sudo aptFget install gu>c>ie$

Raspberry Pi 1 Sound



Raspberry Pi 1 Sound

● ; sudo aptFget install mplayer

Raspberry Pi Robot demo



Raspberry Pi Robot demo

'uestions ((



'uestions ((

*ackathon



*ackathon

● Will select best ! pro&ects● 3uration " 0 hrs

*ackathon



*ackathon

● Will select best ! pro&ects● 3uration " 0 hrs

*app' *a+king )

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exploringraspi-130910124730-phpapp01