Jog Logger

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Jog Logger
EEL4914C Senior Design Preliminary Design

• KYLE HAGIN
• KOL KHEANG

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Objectives

• Design a device that uses GPS data to provide
  athletes and hobbyists with real time feedback
  about their performance
• Provide an easy to use Color LCD interface
• Develop a working prototype to attract investors

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Product Expectations

• Log paths using GPS data points
• Use GPS data to approximate
• Distance to finish line
• Estimate total time to finish
• Total distance traveled
• Current Velocity and position
• Display feedback information on the color LCD

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Design Requirements

• Features
• Configurable Display
• Single or multiple measurements
• Touch screen or buttons
• Provides an easy to use interface
• Real time GPS feedback
• Velocity Feedback
• Position Tracking

• Performance
• Light weight and small size
• easy to run or bike with
• Low power consumption
• Runs on batteries
• Lithium Ion battery
• Compact long lasting
• Less than 5m position accuracy
• 15 foot radius

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How does it work?

• Each blue dot is a gps data point
• Approximates the distance between each data point
• Stores it in a table
• The distance to finish is the sum of the
  distances in between each dot from the users
  position on the track

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The Board

• Phillips LPC2138
• Dual UART
• Dual SPI interface
• On-board Serial Boot loader
• 512K Flash Memory
• Mulitiplexer for UART
• 4 more UARTS
• SD CARD
• SPI interface
• Fat 16 file format

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COLOR LCD1

• Sharp Microelectronics
• 2.2 inch diagonal,
• 220 x 160 pixel
• Built in back light
• Inverter graphics driver chip onboard
• 8 bit parallel interface with 18 bit per pixel

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COLOR LCD2

• Microtips USA
• Touch screen capability
• 320 x 240 pixel
• 8 bit interface, 18 bit per pixel performance
• Smaller

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GPS Module

• Trimble Lassen IQ
• lt5m Position Accuracy
• /- 0.06m/s Velocity Accuracy
• 12 satellites
• DGPS

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Gantt Chart