Computer Computer Engineering Engineering

ActivitiesActivitiesThe Joystick ProjectThe Joystick Project

BEIT 2003BEIT 2003Graham Smyth Graham Smyth

Yungsiow YangYungsiow Yang

Jerry DolataJerry Dolata

Kevin SheaKevin Shea

Ilana SmythIlana Smyth

Computer Engineering Computer Engineering UnitsUnits

Grades 10/11/12

1. Hardware1. Hardware

2. Networking2. Networking

3. Integrated Circuits3. Integrated Circuits

4. Programming4. Programming

5. 5. InterfacesInterfaces

Interfacing ActivitiesInterfacing ActivitiesGrade 12

• One byte• LED intersection• Stop Lights AC?• Vehicles• Security systems• Drag strips• Music Boxes• Joysticks• Marquees• GUIs/Mouse Control

Interfacing ActivitiesInterfacing Activities

Interfacing ActivitiesInterfacing Activities

Interfacing ActivitiesInterfacing Activities

Interfacing ActivitiesInterfacing Activities

World’s Largest Portable World’s Largest Portable JoystickJoystick

World’s Largest Portable World’s Largest Portable JoystickJoystick

Claim ID: 38433 Claim ID: 38433 Membership Number: 37096 Membership Number: 37096

05 June 2003 05 June 2003

Dear Mr Smyth Dear Mr Smyth Thank you for sending us the details of your recent record attempt for 'Largest Thank you for sending us the details of your recent record attempt for 'Largest Joystick'.I am afraid to say that we are unable to accept this as a Guinness Joystick'.I am afraid to say that we are unable to accept this as a Guinness World Record.World Record.Unfortunately our research team have concluded that your attempt does not Unfortunately our research team have concluded that your attempt does not conform to our manufactured articles guidelines as there is no commercially conform to our manufactured articles guidelines as there is no commercially available joystick which looks like a small version of this.available joystick which looks like a small version of this.I appreciate that this may be disappointing to you, but I hope that this does not I appreciate that this may be disappointing to you, but I hope that this does not deter you from trying again.  We are always keen to hear from people who wish deter you from trying again.  We are always keen to hear from people who wish to set a Guinness World Record.  If you should need any advice regarding to set a Guinness World Record.  If you should need any advice regarding breaking an existing record or setting a new Guinness World Record please breaking an existing record or setting a new Guinness World Record please contact us again through our website or directly quoting the above membership contact us again through our website or directly quoting the above membership number.number.Once again thank you for contacting Guinness World Records.  We wish you Once again thank you for contacting Guinness World Records.  We wish you every success with any future record-breaking endeavours.every success with any future record-breaking endeavours.

Yours sincerely, Yours sincerely, Sophie Whiting Sophie Whiting

Records Research Services Records Research Services

Breadboard ArchitectureBreadboard Architecture

Connected

Connected

HighFives

DividerLowFives

Computer Computer Interface Peripheral Interface Peripheral

Interfacing SystemInterfacing SystemUnit 5

• Parallelport • Wires• ICs• Resistors• Capacitors• Transistors

• LED's• Motors• Lights• Robots• Joysticks

Software Hardware Hardware

Joystick SoftwareJoystick Software

Turing

• parallelput(number) - reads 8 pins• put parallelget - reads 5 pins• mousewhere(x,y,click)• play(“CDEFG”)• drawline(x1,y1,x2,y2,red)• FREE!!!

Joystick HardwareJoystick Hardware

• Five male pins • One D sub connector • Cable 1 – D sub to Breadboard• Cable 2 – Breadboard to Joystick • One N.O. pushbutton

• One Doorstop• Five Resistors (Brown/Black/Orange)• Four Small pipes• One Block of wood• One Breadboard

Joystick Hardware - ResistorJoystick Hardware - Resistor(Five Required)

Brown Black Orange Gold

1 0 X 103

Tolerance+-5%

Resistor ChartResistor Chart

BAND 1 BAND 2 BAND 3 BLACK 0 0 1 BROWN 1 1 10

RED 2 2 100 ORANGE 3 3 1 000 YELLOW 4 4 10 000 GREEN 5 5 100 000 BLUE 6 6 1 000 000

VIOLET 7 7 10 000 000 GRAY 8 8 100 000 000 WHITE 9 9 1 000 000 000

Cable 1: D sub to BreadboardCable 1: D sub to Breadboard

Male Pin Insulated Wire

Large Crimp Tab Stripped Wire

Small Crimp Tab

D sub to Breadboard CableD sub to Breadboard Cable

White/GreenGreenBrown

Blue

White/Brown

Orange

White/Blue

White/Orange

Joystick Hardware : ParallelportJoystick Hardware : Parallelport

View from View from backback of Computer of Computer

13 12 11 10 9 8 7 6 5 4 3 2 1

25 24 23 22 21 20 19 18 17 16 15 14

OutputD0 – D7

InputI0 – I3

Input I4 Grounds18 - 25

Joystick Hardware:Joystick Hardware:Normally Open Switch Normally Open Switch

1

2

1 2

Physical Schematic

Joystick Wiring SchematicJoystick Wiring Schematic

Fire Button

To D Sub

Joystick

D Sub ConnectorD Sub Connector

Pin 10

Pin 18

D sub Connector

Pin 15

Pin 13

D Sub ConnectorD Sub Connector(with extraction wire)(with extraction wire)

D Sub Connector Colour Code D Sub Connector Colour Code

Pin Pin ##

ColourColour

22 BrownBrown

1010 GreenGreen

1111 OrangeOrange

1212 BlueBlue

1313 White/White/GreenGreen

1515 White/White/OrangeOrange

1818 White/White/ Blue Blue

D Sub to Breadboard CableD Sub to Breadboard Cable

Pin13 White/Green

Pin12 Blue Pin11 Orange

Pin10 Green

Pin18 White/Blue

Pin15 White/Orange

Pin 2 Brown

Total of seven wires from D sub connector

From D Sub to BreadboardFrom D Sub to Breadboard

Pin 2 to Upper Rail

Breadboard with ResistorsBreadboard with Resistors

Resistors to Top Rail Brown/Black/

Orange

Resistors to Any Column

D Sub to Breadboard Cable D Sub to Breadboard Cable

To Pin11(Orange)

To Pin12(Blue)

To Pin13White/Green

To Pin18 White/Blue

To Pin15White/Orange

To Pin 2Brown

Total of seven wires from D sub connector

To Pin 10

Green

Joystick – Top ViewJoystick – Top ViewFire

Button

Top Rail

Left Rail

Right Rail

Bottom Rail

Joystick

Joystick CableJoystick Cable

1. Run the White/Orange and the White/Blue wire into fire button hole

2. Attach the White/Orange wire to one pin of fire button

3. Attach the White/Blue wire to the second pin of fire button

Joystick Cable continuedJoystick Cable continued4. Attach a short White/Blue wire to the second

pin of fire button

5. Run the other end of this White/Blue wire into the joystick hole

6. Insert the fire button into the block

7. Wrap short White/Blue wire around the screw in the base of the door stopper

8. Screw base of door stopper into the bottom of the joystick hole

Joystick Cable continuedJoystick Cable continued9.Run the Green, Orange, Blue, and

White/Green wires into the joystick hole

10. Wrap Green wire around Top rail

11. Attach Orange wire around Bottom rail

12. Attach Blue wire around Left rail

13. Attach White/Green wire around Right rail

14. Screw door stopper into base

15. Insert the 4 rails into their appropriate locations

Connecting JoystickConnecting Joystickto Breadboardto Breadboard

Method:

Match the colour of the seven wires already in the breadboard with the colour of the six wires coming from the joystick.

Next diagram is messy, sorry

Joystick to BreadboardJoystick to Breadboard Six wires from Joystick

Previous seven wires from D Sub

1 2 3 4 5 6

End of HardwareEnd of Hardware

Start of SoftwareStart of Software

Inputting Software Inputting Software Assignment 1Assignment 1

Write a program that will continuously scan for input values from the parallelport.

Inputting SoftwareInputting SoftwareCode 1Code 1

parallelput(1)loop % Start of infinite loop. put parallelget % Returns input pin values.end loop % End of loop.

Inputting Data Matrix: Part 1Inputting Data Matrix: Part 1

Part Position Parallelget Value

1 Neutral

2 Up

3 Down

4 Left

5 Right

6 Up/Left

7 Up/Right

8 Down/Left

9 Down/Right

Inputting Data Matrix: Part 2Inputting Data Matrix: Part 2

Part Position Parallelget Value

10 Fire/Neutral

11 Fire/Up

12 Fire/Down

13 Fire/Left

14 Fire/Right

15 Fire/Up/Left

16 Fire/Up/Right

17 Fire/Down/Left

18 Fire/Down/Right

Inputting Software Inputting Software Assignment 2Assignment 2

Write a program that will:• Display “UP” when the joystick is moved up• Display “DOWN” when the joystick is moved down• Display “LEFT” when the joystick is moved left• Display “RIGHT” when the joystick is moved right• etc

Inputting Software Solution Inputting Software Solution Assignment 2Assignment 2

parallelput(1)var value : intloop

value := parallelgetif value = ______ then

put “UP”elsif value = _____ then

put “DOWN”

etc

Inputting Software Inputting Software Assignment 3Assignment 3

Write a program that will:• Draw 8 arrows (compass points) and a fire button • Randomly highlight one of the 8 arrows and/or the fire button• Time how long it takes the user to match the prompt with the corresponding joystick movement• Repeat 20 times• Output the total time taken for all 20 matches• ?????? Additions ??????

More Hands-On ActivitiesMore Hands-On Activities

•Keyboard•Intersection•Robot•World’s Largest Joystick

AddressesAddresses

smythel@mnsi.net

www.classictechnology.ca

www.holtsoft.com