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Edison Jr.

Edison Jr. provides a free, open source, and cross platform virtual alternative to physical experiment boards. Image of Edison Jr.

Please note is a fork from the original here. I wanted to have this project on GitHub. More information about this can be found here.

It currently works on:

  • Mac OSX
  • Linux (Tested on Ubuntu)

Prerequisites

For a complete guide to install MiniAT go to miniat.org

Make sure you are able to run the example on miniat.org before you run Edison Jr.

Download Edison Jr.

Using Git:
  • Clone it into your systems directory of MiniAT miniat/system/
    cd ~/miniat/systems/
    git clone https://bitbucket.org/miniat_amos/edison_jr.git

Environment paths for Edison Jr.

Edison Jr. requires the user to add a path to the image directory.

Temporary path

Bash:

  • Add the image path which Edison Jr. uses
    export EDISON_PATH=~/miniat/system/edison_jr/SDL/images/

Tcsh:

  • Add the image path
    setenv EDISON_PATH ~/miniat/system/edison_jr/SDL/images/

If your wish to have this path added every time you are in terminal then add the command to your .bash_profile, .bashrc, or .profile file

Running Edison Jr. Examples

  • Run the command from your miniat dir
  • First test and see if Edison Jr. loads
    miniat_edisonJr out/bin/hello_world.bin
  • Now to run the example that has some functionality
    miniat_edisonJr out/bin/example1.bin
  • You can also run our segment display test
    miniat_edisonJr out/bin/testssd.bin

Address Scheme

LCD
Address Command Description
0x4040 LCD X Moves cursor X position
0x4041 LCD Y Moves cursor Y position
0x4042 LCD CHAR Puts char in cursor position
4 - Seven Segment Display
Address Command Description
0x4010 Segment 1 Input state of the 8 states
0x4011 Segment 2 Input state of the 8 states
0x4012 Segment 3 Input state of the 8 states
0x4013 Segment 4 Input state of the 8 states
LED Matrix
Address Command Description
0x4000 Matrix X Sets/gets X coordinate of cursor
0x4001 Matrix Y Sets/gets Y coordinate of cursor
0x4002 Color Gets color under x,y coordinate
0x4003 Circle Lights up all LEDs in a Circle
0x4004 Square Lights up all LEDs in a square
Buttons
Address Command Description
0x4020 Read Button Returns the state of the button in binary
DIP Switch
Address Command Description
0x4030 Read DIP Switch Returns the state of the DIP Switch in binary

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