@signalk/n2k-signalk/raymarine/65288.js

NMEA 2000 to SignalK conversion library

module.exports = [
  {
    filter: function (n2k) {
      return (
        n2k.fields['Manufacturer Code'] === 'Raymarine' &&
        typeof n2k.fields['Alarm Group'] !== 'undefined' &&
        typeof n2k.fields['Alarm Status'] !== 'undefined'
      )
    },
    node: function (n2k) {
      var alarmName = n2k.fields['Alarm ID']

      if (typeof alarmName === 'string') {
        alarmName = alarmName.replace(/ /g, '')
      } else {
        alarmName = `unknown${alarmName}`
      }

      var path =
        n2k.fields['Alarm Group'].toLowerCase().replace(/ /g, '') +
        '.' +
        alarmName
      return 'notifications.' + path
    },
    value: function (n2k) {
      var state = n2k.fields['Alarm Status']

      var method = ['visual']

      if (state == 'Alarm condition met and not silenced') {
        method.push('sound')
      }

      if (state == 'Alarm condition not met') {
        state = 'normal'
      } else {
        state = 'alarm'
      }

      var alarmName = n2k.fields['Alarm ID']

      if (typeof alarmName !== 'string') {
        alarmName = `Unknown Seatalk Alarm ${alarmName}`
      } else if (
        state == 'alarm' &&
        (alarmName === 'WP Arrival' ||
          alarmName === 'Pilot Way Point Advance' ||
          alarmName === 'Pilot Route Complete')
      ) {
        state = 'alert'
      }

      return {
        message: alarmName,
        method: method,
        state: state,
        timestamp: n2k.timestamp
      }
    }
  }
]