Cub Led Code Vhdl

8/16/2019 Cub Led Code Vhdl

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Remote programmable

-

With eDiViDe


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About me

• Sam Thys

• Student at Thomas More Kempen

–

• Electronics-ICT

– Professional bachelor Electronics

–

3th

year

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Internship

• Internship at Thomas More Kempen

– Campus Geel

• Electronics Lab

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Problem

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Problem - Background

• Programmable systems

– FPGA ( Field Programmable Gate Array )

– VHDL ( VHSIC Hardware Description

Language )

• No material to exercise at home

• To expensive

• Lend material

– Material can break

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Problem - Goal

• A remote programmable FPGA

– LED cube

– Materiaal stays at school

– Student only needs a computer

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Solutione e

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eDiViDe

• European Digital Virtual Design Lab – www.edivide.eu

• Website – Program

– Control

–

Monitor

• Developed at KHLim, Belgium – Nele Mertens

– Jochen Vandorpe

• Erasmus –

Lifelong Learning Programme (LLP)

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http://www.edivide.eu/http://www.edivide.eu/


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eDiViDe

• Different setups

– Multiple colleges and universities

– Europa

• Belgium

• Germany

• Norway

• Slovakia

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eDiViDe - Usage

library I EEE;

use I EEE.STD_LOGI C_1164. ALL;

use I EEE.STD_LOGI C_ARI TH. ALL;

use I EEE.STD_LOGI C_UNSI GNED. ALL;

library WORK ;

use WORK .all;

• VHDL Template

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ent ty e u e_ xer c se_ s Port

Cl k : in STD_LOGI C; - - 50 MHz syst em Cl ock

enabl e : in STD_LOGI C; - - Swi tch I nput

reset : in STD_LOGI C; - - Butt on I nput, Hi gh Acti ve -> ' 1' when pressed

col orSel : in STD_LOGI C_VECTOR (1 downto 0); - - Swi tch vector I nput

col orOut : out STD_LOGI C_VECTOR ( 1 downto 0);

x : out STD_LOGI C_VECTOR ( 2 downto 0); - - X Coord inate , val ue 0 - 7

y : out STD_LOGI C_VECTOR ( 2 downto 0); - - Y Coordi nate , val ue 0 - 7

z : out STD_LOGI C_VECTOR ( 2 downto 0); - - Z Coord inate , val ue 0 - 7

FreeI n : in STD_LOGI C_VECTOR ( 8 downto 0); - - Free to use I nput

Fr eeOut : out STD_LOGI C_VECTOR ( 8 downto 0)); - - Free to use Output

end LedCube_Exerci se_01;

architecture Str uctural of LedCube_Exerc i se_01 is begin

end St ructural ;


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eDiViDe - Usage

• Webinterface

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eDiViDe - Operation

• Central server

– KHLIM

– Webserver

• Interface

• database

– Scripts

• Communication with local sever

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eDiViDe - Operation

• Local Setup

– FPGA development board

– Webcam

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– USB – RS232

• Control and monitoring

– USB – JTAG

•

Programming

– LED Cube


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eDiViDe - Operation

• Communication

– Virtual Private

Network

KHLIM

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Thomas More Geel


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Local Setu

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Local setup

• LED cube ( RGB 8 x 8 x 8 )

– Greduation project 2010

– Original control

• Microcontroller

• Digilent Spartan 3

– Xilinx Spartan x3s200

– eDiViDe Compatible

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Lokale Setup

• LED Cube

– 32 Inputs

• 24 Horizontal selection

• 8 Vertical selection

– or s on

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Lokale opstelling

• Digilent Spartan 3 ontwikkelbord

– 32 Connections

• Looked up in datasheet

– Shared with onboard components

•

– Works on 3,3V

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Lokale Local setup

• Connection FGPA to LED cube

– Voltage translation 3,3V -> 5V

– Current buffer

– Isolation

– 4 x 74LVX4245

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VHDL

es gn

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VHDL Design

• Exercises

– Start simple

– Systematically get harder

– Xilinx ISE Design Suite 14

• Xilinx Spartan3 – XC3S200

• Compilation

– Modelsim PE

•

Simulatiion

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VHDL Design

• Control of the LED cube

– Original system is complex and not very logical

• Not educational

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VHDL Design

• Conversion table

– Inputs

• Coordinates

– X,Y,Z

–

• color

– Blue, Green, Red, Nothing

– 0 to 3

– Outputs

•

Data for the LED cube

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VHDL Design

• 6 Exercises

– Running Light

– Running plane

– Running Plane in 3 directions with color change

– Dimmable Cube

– Ambiant cube

– 3D Symbol

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VHDL Design

• Conversion to eDiViDe VHDL structure

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VHDL ontwerp

• Conversion to eDiViDe VHDL structure

– LedCube Exercise X

• Exercise of the student

– LedCube Student Enviroment

• Filtering of inputs and outputs

• Exercise dependant modules

– LedCube Top

• Setup dependant modules

– Conversion table

– Edivide Top

• Inputs and outputs to serial communication

• Inputs and outputs to physical connection

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Webinterface

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Webinterface

• Webinterface

– Control elements

• Switches

• Pushbuttons

• g a po en ome er

– Display elementen

• Video

• Leds

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Webinterface

• Control

– Javascript-Function

• Adjusts data in variables

• Collects all variables variabelen

– asses on to a -scr pt• Write data to a file on the centrale server

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Webinterface

• Dislay of status

– Refresh every 500ms

– PHP-script

• Reads data from a file on the centrale server

– Javascript function

• Writes data to the corresponding variables

• Adjusts the display elements

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Webinterface

• Video display

– Javascript

• JWPlayer

– RTMP Stream

• Real Time Messaging Protocol

• Audio, Video

• Flash Player

• TCP

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Webinterface

• Local test of the interface

– Host with Wamp Server

• Apache

• PHP

–

• MySQL

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Webinterface

• Local testing of the interface

– Mozilla Firefox

• FireBug Plugin

– Check of functions get called

–

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Webinterface

• Local testing of the interface

– Realterm

• Serial terminal

• Write file to serial port

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Local server

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Local Server

• Hardware

– Chosen because of reliable operation

• Server

– Dell PowerEdge T110 II

•

– Logitech C310

• USB-Serial cable

– FTDI

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Local Server

• Software

– Linux operating system

• Debian 6.0.5 amd64

– Xilinx Tools

• Xilinx ISE embedded

– Compilation of VHDL code

• IMPACT

– Programming Xilinx FPGA

– Adept

• Programmeren with the Digilent JTAG programmer

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Local Server

• Folder structure

– User : eDiViDe-khlim

• Home folder

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Local Server

• Configuration

– USB rules for device management ( UDEV )

• USB-JTAG programmer

• FTDI USB-Serial cable

– on gurat on es• contain serialnumbers of the devices

– USB-JTAG

– Webcam

– FTDI

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Local Server

• VPN connection

– OpenVPN

– Server on Wireless Lan

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Local Server

• Additional software

– Installed by KHlim

• VideoStream

– Webcam

•

– Serial communication

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Final Testing

• setting up the webinterface

– Video

• Starting the video software

• Live videostream

– ontro• Sending data ( mozilla firefox, firebug plugin)

• Manual control from local server

• Starting the ComPort server

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Website

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Website

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Summary

• Goal :

– A remote programmable FPGA-LedCube

• Solution :

– Collaboration with eDiViDe

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Summary

– Research eDiViDe operation and functioning

– Reseach LedCube

– Connecting the LedCube and FPGA

– Writing VHDL code

– Developing a Webinterface

– Configure the Local server

– Final Testing

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Thank you

for our

Attention

49

Documents

Cub Led Code Vhdl