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xgps

0.2.0
1.1.0 1.0.0 0.7.0 0.6.0 0.5.1 0.5.0 0.4.1 0.4.0 0.3.1 0.3.0 0.2.0 0.1.0

An OTP application for reading and parsing GPS data written in Elixir. Will attach to an serial port, and provide positions to subscribers. Distributes positions using GenStage.

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xgps lib messages gga.ex
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lib/messages/gga.ex 

defmodule XGPS.Messages.GGA do

  # Example:

  # $GPGGA,144729.000,5441.3996,N,02515.6709,E,1,05,2.20,118.7,M,27.6,M,,*62

  #   GGA          Global Positioning System Fix Data

  #   144729.000       Fix taken at 12:35:19 UTC

  #   5441.3996,N   Latitude 48 deg 07.038' N

  #   02515.6709,E  Longitude 11 deg 31.000' E

  #   1            Fix quality: 0 = invalid

  #                             1 = GPS fix (SPS)

  #                             2 = DGPS fix

  #                             3 = PPS fix

	#		                          4 = Real Time Kinematic

	#		                          5 = Float RTK

  #                             6 = estimated (dead reckoning) (2.3 feature)

	#		                          7 = Manual input mode

	#		                          8 = Simulation mode

  #   05           Number of satellites being tracked

  #   2.20          Horizontal dilution of position

  #   118.7,M      Altitude, Meters, above mean sea level

  #   27.6,M       Height of geoid (mean sea level) above WGS84

  #                    ellipsoid

  #   (empty field) time in seconds since last DGPS update

  #   (empty field) DGPS station ID number

  #   *62          the checksum data, always begins with *

  defstruct fix_taken: nil,

            latitude: nil,

            longitude: nil,

            fix_quality: 0,

            number_of_satelites_tracked: 0,

            horizontal_dilution: 0,

            altitude: 0,

            height_over_goeid: 0,

            time_since_last_dgps: nil,

            dgps_station_id: nil

end