@signalk/n2k-signalk/pgns/129029.js

NMEA 2000 to SignalK conversion library

module.exports = [
  {
    value: function (n2k) {
      return {
        longitude: Number(n2k.fields.Longitude),
        latitude: Number(n2k.fields.Latitude)
      }
    },
    filter: n2k =>
      typeof n2k.fields.Longitude !== 'undefined' &&
      typeof n2k.fields.Latitude !== 'undefined',
    node: 'navigation.position'
  },
  {
    value: function (n2k) {
      return `${n2k.fields.Date.replace(/\./g, '-')}T${n2k.fields.Time}Z`
    },
    filter: n2k =>
      typeof n2k.fields.Date !== 'undefined' &&
      typeof n2k.fields.Time !== 'undefined',
    node: 'navigation.datetime'
  },
  {
    source: 'Altitude',
    node: 'navigation.gnss.antennaAltitude'
  },
  {
    source: 'Number of SVs',
    node: 'navigation.gnss.satellites'
  },
  {
    source: 'HDOP',
    node: 'navigation.gnss.horizontalDilution'
  },
  {
    source: 'PDOP',
    node: 'navigation.gnss.positionDilution'
  },
  {
    source: 'Geoidal Separation',
    node: 'navigation.gnss.geoidalSeparation'
  },
  {
    source: 'Age of DGNSS Corrections',
    node: 'navigation.gnss.differentialAge'
  },
  {
    source: 'Reference Station ID',
    node: 'navigation.gnss.differentialReference'
  },
  {
    node: 'navigation.gnss.type',
    value: function (n2k) {
      var type = n2k.fields['GNSS type']
      var mapped = typeMap[type]
      return mapped || type
    }
  },
  {
    node: 'navigation.gnss.methodQuality',
    value: function (n2k) {
      var method = n2k.fields['Method']
      var mapped = methodQualityMap[method]
      return mapped || method
    }
  },
  {
    node: 'navigation.gnss.integrity',
    value: function (n2k) {
      var integrity = n2k.fields['Integrity']
      var mapped = integrityMap[integrity]
      return mapped || integrity
    }
  }
]

var typeMap = {
  'GPS+GLONASS': 'Combined GPS/GLONASS',
  integrated: 'Integrated navigation system',
  surveyed: 'Surveyed'
}

var methodQualityMap = {
  'no GNSS': 'no GPS',
  'GNSS fix': 'GNSS Fix',
  'RTK Fixed Integer': 'RTK fixed integer',
  'Simulate mode': 'Simulator mode'
}

var integrityMap = {
  'No integrity checking': 'no Integrity checking'
}