1. Group 10 – Extensible Digital Logic Educational Tool
SOFTWARE Design

2. Block Diagram
Keyboard/Mouse
USB

3. Overall considerations
Two Streams of Design
High-Level (Java Application)
Low-Level (Micro Code)
Different Goals
Considerations to Accomplish Goals
Hierarchy
Flow

4. GOALS High-Level Low-Level Highly Extensible
Customizable by User/Developers
Low-Level
Reliable I/O functionality
Customizable I/O functionality in a very broad/general way

5. Considerations to Accomplish Goals
High-Level
Utilizing Open Source
Modular Design
Compatibility
Low-Level
Data Integrity (Checksum)
Packet Definitions (Customizing)

6. Hierarchy High-Level Software Hierarchy Low-Level Software Hierarchy
Micro Header Files
Masking Headers (ie hardware_profile.h)
Main.c
Configuration File Images / Sprites Sound
EDLET Driver Class USB/COM Libraries
JOGE
LWGL
JAVA

7. Flow - ATOM Micro Code Load JOGL Read Configuration
Start EDLET
Load JOGL
Read Configuration
Load Images / Music
Micro Code
EDLET Driver Class
USB/COM Libraries
End

8. Flow - Micro ATOM (Sending Packets) USBCDC RS232 Comm. Buffer Good
Packet In
Checksum
Adjust I/O
Bad
Main Poll
Input Change
ReSend
Yes
Report

9. Questions?