ECE 411 Final Presentation
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    ECE 411 Final Presentation ECE 411 Final Presentation Presentation Transcript

    • Assisted Living Device Overview and Software Implementation Cham Oh December 5, 2005
    • TOPICS
      • Medical Devices Overview
      • RFID Devices Overview
      • Cell Phone Programming
    • Medical Devices
      • Criteria
        • Wireless Technology
        • Medical Features
        • Pluggability
        • Programmability
        • Design
        • Cost
    • Nonin Pulse Oximeter
      • Bluetooth (30 ft range)
      • SpO 2 , heart rate, plethysmographic data
      • Can be connected to any bluetooth-enabled device
      • Open communication protocols
      • Development kit support
      • $495
      • www.nonin.com
    • RFID Devices
      • Long-range detection
      • Tracking/locationing
      • Programmability
      • Design
      • Cost
    • RFID Products
      • RFIDeas
      • Xtag
      • IAutomate
    • RFID Issue
      • Is it possible to exactly locate the tag?
    • Cell Phone Programming
      • Embedded Runtime Environments
        • BREW (Binary Runtime Environment for Wireless)
          • Developed by Qualcomm
          • C/C++
        • J2ME (Java 2 Platform Micro Edition)
          • Developed by Sun
          • Java
    • BREW vs. J2ME
      • Deal
        • We don’t need a complex program.
        • We want freedom in programming.
        • We want it for free!
      Java Runs on VM (Slow) Platform-independent Device-independent Free C/C++ Better for complex apps. Qualcomm-specific Device-dependent Costly J2ME BREW
    • Cell Phone Programming
      • Which cell phone do we need to purchase?
        • Bluetooth
        • J2ME
        • SDK support
      • Motorola
        • Bluetooth-enabled
        • J2ME support
        • Motorola SDK v5.2.1 for J2ME
        • Device emulator support
    • J2ME Development
      • J2ME IDE
        • JDK 5.0 Update 6
        • NetBeans with Mobility Pack ( http://www.netbeans.org/downloads/index.html )
        • CodeWarrior Wireless Studio 7.0 ( http://www.metrowerks.com ) – pay toolkit
      • Java APIs
        • Bluetooth Wireless Technology (JABWT), JSR082
        • Network APIs
    • Bluetooth Stack
    • Bluetooth Application
    • Initialization
      • ...
      • private LocalDevice localDevice; // local Bluetooth Manager
      • private DiscoveryAgent discoveryAgent; // discovery agent ...
      • /** * Initialize */
      • public void btInit() throws BluetoothStateException
      • {
      • localDevice = null;
      • discoveryAgent = null;
      • // Retrieve the local device to get to the Bluetooth Manager localDevice = LocalDevice.getLocalDevice();
      • // Servers set the discoverable mode to GIAC localDevice.setDiscoverable(DiscoveryAgent.GIAC);
      • // Clients retrieve the discovery agent
      • discoveryAgent = localDevice.getDiscoveryAgent(); }
      • ...
    • DiscoveryAgent / DiscoveryListener
    • Device Discovery State
    • Service Discovery State
    • Discovering Nearby Dervices
      • public class BtClient implements DiscoveryListener {
      • ...
      • Vector discoveredDevices = new Vector();
      • ...
      • // DiscoveryListener Callbacks ///////////////////////
      • /**
      • * deviceDiscovered() is called by the DiscoveryAgent when
      • * it discovers a device during an inquiry.
      • */
      • public void deviceDiscovered ( javax.bluetooth.RemoteDevice remoteDevice, javax.bluetooth.DeviceClass deviceClass) {
      • // Keep track of discovered remote devices by inserting
      • // them into a Vector
      • ...
      • }
      • /**
      • * inquiryCompleted() is called by the DiscoveryAgent when
      • * a device discovery cycle finishes.
      • */
      • public void inquiryCompleted (int param) {
      • // Now that the inquiry has been completed, if any
      • // devices were discovered trigger the search for services
      • ...
      • }
    • Discovering Nearby Services
      • /**
      • * servicesDiscovered() is called by the DiscoveryAgent when
      • * a service search finds services.
      • * transID identifies the service search that returned results.
      • * serviceRecord holds references to the services found.
      • */
      • public void servicesDiscovered (int transID, javax.bluetooth.ServiceRecord[] serviceRecord) {
      • // Keep track of discovered services, adding them
      • // to a Vector
      • ...
      • }
      • /**
      • * serviceSearchCompleted() is called by the DiscoveryAgent
      • * implementation when a service search finishes.
      • * transID identifies a particular service search.
      • * responseCode indicates why the service search ended.
      • */
      • public void serviceSearchCompleted (int transID, int responseCode) {
      • // Now that the service discovery has been completed,
      • // dispatch thread to handle the discovered services
      • ...
      • }
    • UUID Class
      • Universally Unique Identifier required for each service
      • Represents short (16 or 32-bit) and long (128-bit) UUIDs
      • Use command uuidgen (Windows), or uuidgen –t (Linux)
      • Ex) 2d266186-01fb-47c2-8d9f-10b8ec891363
    • SDDB and ServiceRecord Class
    • Device Management LocalDevice Class
    • RemoteDevice Class
    • Bluetooth Communication
    • Network APIs
      • CommConnection for serial interface
      • HTTP connection
      • HTTPS connection
      • Socket Support
      • UDP
      • SSL
    • Socket Connection
    • Socket Connection
    • References
      • Sun’s J2ME: http://java.sun.com/j2me
      • Bluetooth Development Article: http://developers.sun.com/techtopics/mobility/apis/articles/bluetoothintro/index.html
      • Network Implementation: http://developers.sun.com/techtopics/mobility/midp/articles/midp2network/
      • Motorola Developer Program: http://www.motocoder.com