SignalK/signalk-over-n2k

Signal K Plugin which can read and send Signal K deltas over the NMEA2000 bus

signalk-over-n2k

Signal K Plugin which can read and send Signal K deltas over the NMEA2000 bus

The canboat pgns looks like this:

{"SignalK Over N2K Update",
     126720,
     PACKET_COMPLETE,
     PACKET_FAST,
     15,
     0,
     {{"Manufacturer Code", 11, RES_MANUFACTURER, false, "=999", "SignalK"},
      {"Reserved", 2, RES_NOTUSED, false, 0, ""},
      {"Industry Code", 3, RES_LOOKUP, false, "=4", "Marine Industry"},
      {"Proprietary ID", BYTES(2), RES_INTEGER, false, "=1", "Update"},
      {"Context", BYTES(16), RES_STRINGLAU, false, 0, ""},
      {"SourceId", BYTES(16), RES_STRINGLAU, false, 0, ""},
      {"Path", BYTES(16), RES_STRINGLAU, false, 0, ""},
      {"Value", BYTES(16), RES_STRINGLAU, false, 0, ""},
      {0}}}
      
      ,
    {"SignalK Over N2K Meta",
     126720,
     PACKET_COMPLETE,
     PACKET_FAST,
     15,
     0,
     {{"Manufacturer Code", 11, RES_MANUFACTURER, false, "=999", "SignalK"},
      {"Reserved", 2, RES_NOTUSED, false, 0, ""},
      {"Industry Code", 3, RES_LOOKUP, false, "=4", "Marine Industry"},
      {"Proprietary ID", BYTES(2), RES_INTEGER, false, "=2", "Meta"},
      {"Context", BYTES(16), RES_STRINGLAU, false, 0, ""},
      {"SourceId", BYTES(16), RES_STRINGLAU, false, 0, ""},
      {"Path", BYTES(16), RES_STRINGLAU, false, 0, ""},
      {"Value", BYTES(16), RES_STRINGLAU, false, 0, ""},
      {0}}}

You can emit nmea2000JsonOut to send:

{
  dst: 255,
  pgn: 126720,
  fields: {
    "Manufacturer Code": "SignalK",
    "Industry Code": "Marine Industry",
    "Proprietary ID": "Update",
    SourceId: 'somesource.0',
    Path: 'environment.wind.speedApparent',
    Value: '10'
  }
}