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Cycle 1 GroundStation

Initiate connection, send GPS data to UAV System, receive NMEA format GPS data, simulate GPS string for testing. Next phase includes receiving real GPS data, testing data parsing, expanding to all vital data, and creating a user-friendly visual interface.

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Cycle 1 GroundStation

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Presentation Transcript

  1. Cycle 1 GroundStation • User Stories covered • 1: initiate connection • Open connection on given serial port to RF modem • 2: send GPS • Send sample GPS string to UAV System • 3: receive GPS • Periodically send requests to UAV System

  2. Current Use Cases

  3. Receive GPS • NMEA format, comma separated string • “$--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx “ hhmmss.ss = UTC of position llll.ll = latitude of positiona = N or Syyyyy.yy = Longitude of positiona = E or W x = GPS Quality indicator (0=no fix, 1=GPS fix, 2=Dif. GPS fix) xx = number of satellites in use x.x = horizontal dilution of precision x.x = Antenna altitude above mean-sea-levelM = units of antenna altitude, meters x.x = Geoidal separationM = units of geoidal separation, meters x.x = Age of Differential GPS data (seconds) xxxx = Differential reference station ID

  4. Simulate GPS string(due to gumstix issues)

  5. Next Phase • Receive real GPS data from plane • Test parsing and storing of data • Expand to receiving all vital data • Begin work on visual interface • Easy understanding for user • Open Glass Cockpit?

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