laser shoot-out game by steven noto and laura miller advisor steven gutschlag december 7, 1999...
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Laser Shoot-Out Game
By Steven Noto and Laura Miller
Advisor Steven Gutschlag
December 7, 1999
Senior Project Proposal
Presentation Outline Introduction Project Overview Review of Previous Work Patents, Standards, and References Detailed Project Description Preliminary Project Work Subsystem Testing Equipment List Proposed Spring 2000 Schedule
Project Overview
Laser "shootout" game– Based on mythical “Old West” gunfights– Two players with weapons and reflective vests
face off– Wait for "Draw!" signal and start shooting– First to score a hit within 6 shots wins
Project Overview Components:
– Central Controller– Display Boards (display, RF unit, microcontroller)– Weapons (laser, receiver, microcontroller)
Technologies:– Laser data transmission and optical reception– RF wireless communication– Multi-processor communication
Previous Work Previous Senior Projects
– 1997: Electronic Shootout Game David Grimm and Scarlet Halabi Worked only on laser transmission and reception, no software Receiver functional but unreliable
– 1998: Electronic Shootout Game Nazry Jaafar, Azrin Johari, and Emelia Malek Receiver was more reliable but worked only at low
frequencies Weapon software functional Microcontroller communication established
Patents, Standards, and References Patents
– Toy laser guns / light guns– Electronic shootout game (Chris Rockhold’s)
Standards– Laser safety– Electronic toy safety
References– Laser data transmission– Miscellaneous laser applications
Block DiagramCentral
Controller
Display A
Weapon A
RF Link
CoaxialCable
Display B
Weapon B
RF Link
CoaxialCable
Central Controller
CoaxialCable
Power
Reset
Microcontroller
SerialCommunication
Unit
User Interface(buttons)
To Displays
Central Controller SoftwareOn/Master Reset
Send Display Resets
Wait for both display"game reset" signals
Transmit "start game"
Wait for 1 hit signal or2 out of ammo signals
Transmit GameResults - Win/Lose/Tie
Display
RF Link
CoaxialCable
Power
Ammo CountWin/Lose
Speaker
Begin Game
System Ready
Reset
SerialCommunication
Unit
User Interface(LED'S and
LCD)
SoundController
User Interface(buttons)
RF Receiver
MicrocontrollerGame Reset
Display ID
To Central Controller
From Weapon
Display SoftwarePower On or
C.C. Reset
Transmit gamereset to C.C.
Wait for C.C.game start signal
Initiate display,show countdown
Wait for interruptsfrom weapon or
C.C.
Yes
Yes
No
NoWait for
Game reset
Wait for Gun reset
Display "PressGun Reset"
Display "PressGame Reset"
Display Software:Central Controller Interrupts
Game reset?
Win?
Lose?
Reset/initialize display
Display win
Display lose
Transmission fromCentral Controller
Return
No
No
No
Yes
Yes
Yes
Tie?
No
Yes Display Tie
Display Software:Weapon Interrupt Routine
Shot?
Hit?
Out of ammo?
Play sound of shot,Decrement ammo
Display ammo
Transmit "hit"to C.C.
Transmitt out ofammo to C.C., lightout of ammo LED
Transmissionfrom Gun
Return
No
No
No
Yes
Yes
Yes
WeaponRF Link
BatteryVoltage
LaserTransmitter
LaserReceiver
HammerTrigger
Low PowerLED
Weapon ID
Reset
Power On LEDUser Interface(LED'S and
LCD)
User Interface(buttons)
Microcontroller
RF Transmitter
LaserTransmitter
Laser Receiver
To Display
To Reflective Target
From Reflective Target
Weapon Software
Power
Gun resetpushed?
Initialize gun,Transmit "gun
ready"
Hammer pushed?
Triggerpushed?
Transmit shot
Was it a hit? Transmit"hit"
No
Yes
Yes
Yes
No
Yes
No
No
Preliminary Project Work
Researched system components– Laser device and laser classifications/safety– Photo diode operation and interfacing– MMT-52 board documentation
Wire-wrap board– Decreases capacitive coupling between circuit
components to permit higher frequency operation
Subsystem Tests
Weapon – Oscilloscope verification of laser
transmission and reception – Oscilloscope verification of code
transmission via RF link
Subsystem Tests
Display– Verification of microcontroller communication
with the central controller via known data transmission
– Verification of microcontroller communication using the RF link via known data transmission
– Verification of software operation using above tests
Subsystem Tests
Central Controller– Verification of microcontroller communication
with the display via known data transmission– Verification of software operation using above
test
Equipment Hardware
– Laser Diode– Photo Diode– Operational Amplifiers– Passive Components– Wire-wrap Boards– Soldering Equipment– Digital Oscilloscope (Tek TDS 340)– DC Power Supplies (HP E3630A)– Function Generators (HP 33120A)
Equipment Hardware (continued)
– MMT-52 80C52 Microprocessor Board– MMT-EXP Expansion Board– Windows 95/NT Host PC
Software– RChipSim 8051 Assembler and Simulator for
off-campus work – Keil/Archimedes 8051/52 Communication
Program
ScheduleWeek Laura Steven
1 Design and optimize laser receiver Code weapon software
2 Design and optimize laser receiver Code weapon software
3 Design and optimize laser receiver Code weapon - to - display Software
4 Integrate laser receiver and weapon software
5 Integrate laser receiver and weapon software
6 Design C.C. electronics Code C.C. - to - display software
7a Design display board electronics Code C.C. - to - display software
7b Mid-term demonstration
8 Design display board electronics Code C.C. - to - display software
9 Design display board electronics Code display - to - user software
10 Integrate C.C. hardware and software
11 Integrate display hardware and software
12 Integrate Subsystems
13 Integrate Subsystems
14 Presentation
Electronic Shootout Patent Christopher Rockhold, September, 1988 Abstract:The present invention relates to an electronic
shootout game and more specifically to such a game intended to be played by two contestants disposed in facing relation on a prescribed playing field. The game accurately simulates the 19th Century gunfighting practice and is completely controlled by a programmable microprocessor which includes audio and visual display to control and track the progress of the game during play. The guns include a radio frequency transmitter and antenna system which broadcasts the firing and successful hit modes by wireless communication with the computer which provides an instantaneous readout of such game functions.
Patents, Standards, and References
Other Patents:– Toy laser-type gun– Toy space gun– Toy laser pistol– Light gun with photo detector and counter
Patents, Standards, and References
Standards:– Safety of laser products– American National Standard for Safe Use of
Lasers– Laser processing machines - Safety requirements– Electric Toy Safety– Electrically Operated Toys– Safety of Electronic Toys
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