Aspen

1
Aspen

• Garrett Earnshaw
• Joe Chmura
• Mieszko Kruger
• Yoni Mekuria

2
Aspen Objectives

• To dynamically control a network of peripheral
  devices, a network that controls as well as
  senses with the use of a CAN bus.

Garrett
3
Basic Layout
Garrett
4
Core Layout
Garrett
5
Node Layout
Garrett
6
Core Implementation

• MC68HC908GZ16
• MC33388
• MM74C922
• 4x4 Keypad
• Optrex LCD

Parts and Logic diagram
Joe
7
Node Implementation

• MC68HC908GZ16
• MC33388

Parts and Logic diagram
Joe
8
Node Example
Joe
9
MC68HC908GZ16Specification Sheet

• High-performance M68HC08 architecture optimized
• for C-compilers
• 8-MHz internal bus frequency
• 16k Flash
• 1k RAM
• 408 bytes of ROM
• MSCAN08 (Motorola scalable controller area
  network, implementing 2.0b protocol)

Mieszko
10
Software processes
Core Operational Diagram
Node Operational Diagram
Mieszko
11
Memory Map
Mieszko
12
Problems Encounter

• Coldfire development board overkill.
• Redesign our core board.
• Licensing issues with CodeWarrior.

Mieszko
13
Cost Sheet
Yoni
14
Schedule
Yoni
15
Division of Labor

• Garrett
• Core design and build
• Software
• Documentation

• Mieszko
• Software
• Communication with leaves

• Yoni
• Power
• Leaf implementation
• Cabling

• Joe
• Power
• Leaf design and build

Yoni
16
Questions