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Project #2 Mobile Multiplayer Game: Tic-Tac-Toe Project #3 TinyOS Sensing Application

Project #2 Mobile Multiplayer Game: Tic-Tac-Toe Project #3 TinyOS Sensing Application. EE194WIR Matt Magpayo Matthew.magpayo@tufts.edu. Project#2 Mobile Tic-Tac-Toe. Language: Java Emulator: Nokia S60 prototype emulator Multiple instances Nokia Connectivity Framework

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Project #2 Mobile Multiplayer Game: Tic-Tac-Toe Project #3 TinyOS Sensing Application

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  1. Project #2Mobile Multiplayer Game: Tic-Tac-ToeProject #3TinyOS Sensing Application EE194WIR Matt Magpayo Matthew.magpayo@tufts.edu

  2. Project#2 Mobile Tic-Tac-Toe • Language: Java • Emulator: Nokia S60 prototype emulator • Multiple instances • Nokia Connectivity Framework • Short Message Service (SMS) communication

  3. Implementation • Midlet format • Game loop • SMS Messagehandler

  4. Screenshots

  5. Screenshots (cont.)

  6. Screenshots (cont.)

  7. Project#3 TinyOS Sensing Application • Application: Light/Temperature Sensing • Language = NesC • Testing: TOSSIM • GUI: TinyViz, GraphViz

  8. Implementation • Sensor nodes and 1 Base Station • Sensor node • periodically takes light readings and sends a group of readings over radio to base station • Base Station • Forwards packets through serial port to PC • Led Module used • yellow LED is toggled when new packet sent • red LED is on when the light sensor reading is above some constant value (0x0300 or 768)

  9. Routing Scheme • Base Station simply broadcasts a beacon packet. • Those who hear it • Set one hop neighbor as base station. • Broadcast beacon packet. • Those who hear that • Add to list of all neighbors who have path to base station • Broadcast beacon packet. • Etc…Tree network topology is created. • When routing, node forwards data to random neighbor out the its list.

  10. Simulation • TOSSIM/TinyViz TinyOS simulator • Normally allows simulation of only ONE type of application. • Fix: Make code dependant upon the local address of node. • IF TOS_LOCAL_ADDRESS = 0 , use base station code • ELSE use sensor code • SerialFowarder • Connects to TOSSIM • MOTECOM address = tossim-serial@localhost port:0 • Listens to Node 0 (base station) • Oscilloscope GUI • Extracts/Displays data received from SerialFowarder packets. • Allows graphing of multiple node data.

  11. TinyViz • Node 0 as base station. • “ADC Readings” Plug-in used to preset light data for testing. • Used Values 0-700

  12. Serial Forwarder • Read packets sent from Base Station (node 0)

  13. Oscilloscope GUI • Preset Values • All motes seen using channel 1 • Possibility to add more data channels (ex. temp)

  14. Questions?

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