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Team Cornerstone Michael Brogdon Enrique Conde Chad Gill Doug Schuyler

SMART SHOPPING. Team Cornerstone Michael Brogdon Enrique Conde Chad Gill Doug Schuyler. Project Description. The system is made up of three different modules: Product Two different types of identification Passive RF ID Bar Code Shopping Cart

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Team Cornerstone Michael Brogdon Enrique Conde Chad Gill Doug Schuyler

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  1. SMART SHOPPING Team Cornerstone Michael Brogdon Enrique Conde Chad Gill Doug Schuyler CAPSTONE Spring '06 CDR

  2. Project Description The system is made up of three different modules: • Product • Two different types of identification • Passive RF ID • Bar Code • Shopping Cart • Computing system for product identification and real time price update • LCD, displaying product description and total price • RF link to communicate with checkout counter • Checkout Counter • RF link to communicate with shopping cart • Product Database CAPSTONE Spring '06 CDR

  3. Purpose • Facilitate people’s shopping • Real time price update • Audible (multilanguage) description (price, product name, etc.) • Eliminate long/tedious lines • Uploading final price to checkout counter, so that customer only needs to pay (no need to scan everything) • Possible extension • Advertisement opportunities • Multilanguage Display CAPSTONE Spring '06 CDR

  4. Shopping Cart Diagram CAPSTONE Spring '06 CDR

  5. Checkout Counter Diagram CAPSTONE Spring '06 CDR

  6. CAPSTONE Spring '06 CDR

  7. CAPSTONE Spring '06 CDR

  8. CAPSTONE Spring '06 CDR

  9. CAPSTONE Spring '06 CDR

  10. Timing Diagram HC12 CAPSTONE Spring '06 CDR

  11. Timing out of CPLD CAPSTONE Spring '06 CDR

  12. Software • Interrupt Handlers • Reads Ports PK0-PK2 for interrupt vector address • Buffers data from data bus. • Asserts line connected to port PK3 when completed • Display • Input: Pointer to Character data • Output: Character display to LCD • Audio • Input: Address to Sound Sequence • Output: Address on data bus to Digitalker CAPSTONE Spring '06 CDR

  13. Software • Transmit • Input: Pointer to Data to send • Output: Data on SPI bus to RF link. • Receive • Input: Data from RF link on SPI bus • Output: Data to buffer • Idle • Input: N/A • Output: N/A CAPSTONE Spring '06 CDR

  14. Parts List • 3 HC12 family Micro controllers. (Obtained) • 2 LCD’s (Obtained) • 1 Keypad (Obtained) • 2 Proto-boards (Obtained) • 4 32Kx8 bit SRAM (Obtained) • 4 512Kx8 bit Flash Memory (Obtained) • 2 RF Transmitters (Obtained) • 2 RF Receivers (Obtained) CAPSTONE Spring '06 CDR

  15. Parts List continued • 1 44-pin Xilinx CPLD XC9536 (Obtained) • 1 84-pin Xilinx CPLD XC95108 (Obtained) • 1 Digit-talker kit (Obtained) • Multiple Miscellaneous CMOS IC’s (Obtained) • Miscellaneous Power Supply parts (Obtained) CAPSTONE Spring '06 CDR

  16. Parts List continued • 1 RFID Reader/Writer (Not obtained yet) • 5 RFID Tags (Not obtained yet) • 1 12-Volt battery (Not obtained yet) CAPSTONE Spring '06 CDR

  17. Schedule • CDR • Have every part we need ordered or received (Completed) • Startup Code for Microcontrollers (Completed) • Product ID with Bar code complete (Completed) • LCD test code (Completed) • Keypad test code (Completed) • Bar code test code (Completed) • Audio test code (Completed) • Initial design of PCB completed and start manufacturing (Design and proto-board completed) CAPSTONE Spring '06 CDR

  18. Schedule Continued • Milestone I • Shopping cart (itself) complete • Revision of PCB design • Product RF ID complete • Partial Integration • Communication links up and running • Hardware Drivers ready CAPSTONE Spring '06 CDR

  19. Schedule Continued • Milestone II • Final PCBs complete with parts installed • Shopping Cart complete with wiring and power supply • Checkout complete • Final testing and debug begins CAPSTONE Spring '06 CDR

  20. CAPSTONE Spring '06 CDR

  21. Labor and Responsibilities • Michael Brogdon: Firmware and Software Development • Enrique Conde: Firmware and Software Development • Chad Gill: Hardware layout and design • Douglas Schuyler: Hardware layout and design, cart design CAPSTONE Spring '06 CDR

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