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Aspen - PowerPoint PPT Presentation


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Aspen. Garrett Earnshaw Joe Chmura Mieszko Kruger Yoni Mekuria. 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. Basic Layout. Garrett. Core Layout. Garrett. Node Layout. Garrett.

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Presentation Transcript
aspen

Aspen

Garrett Earnshaw

Joe Chmura

Mieszko Kruger

Yoni Mekuria

aspen objectives
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

core implementation
Core Implementation
  • MC68HC908GZ16
  • MC33388
  • MM74C922
  • 4x4 Keypad
  • Optrex LCD

Parts and Logic diagram

Joe

node implementation
Node Implementation
  • MC68HC908GZ16
  • MC33388

Parts and Logic diagram

Joe

mc68hc908gz16 specification sheet
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

software processes
Software processes

Core Operational

Diagram

Node Operational

Diagram

Mieszko

memory map
Memory Map

Mieszko

problems encounter
Problems Encounter
  • Coldfire development board = overkill.
  • Redesign our core board.
  • Licensing issues with CodeWarrior.

Mieszko

division of labor
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