Milesight MLR003 Payload Decoder/Encoder

function Decode(fPort, bytes) {
  switch (fPort) {
    case 1:
      {
        var output = {};

        output.DEV_EUI = LoRaObject.devEUI;
        output.RSSI = LoRaObject.rxInfo[0].rssi;
        output.SNR = LoRaObject.rxInfo[0].loRaSNR;
        output.Data = LoRaObject.data;
        output.ADR = LoRaObject.txInfo.adr;
        output.coderate = LoRaObject.txInfo.codeRate;
        output.FCnt = LoRaObject.fCnt;
        output.Port = LoRaObject.fPort;
        output.Frequency = LoRaObject.txInfo.frequency;
        output.Modulation = LoRaObject.txInfo.dataRate.modulation;
        output.Bandwidth = LoRaObject.txInfo.dataRate.bandwidth;
        output.SpreadingFactor = LoRaObject.txInfo.dataRate.spreadFactor;

        output.Current_Valve_Position = bytes[0];
        output.Flow_Sensor_Raw = bytes[1] * 0.5;
        output.Flow_Temperature = bytes[2] * 0.5;
        output.Ambient_Sensor_Raw = bytes[3] * 0.25;
        output.Ambient_Temperature = bytes[4] * 0.25;
        output.Energy_Storage = bytes[5] >> 6 & 0x01;
        output.Harvesting_Active = bytes[5] >> 5 & 0x01;
        output.Ambient_Sensor_Failure = bytes[5] >> 4 & 0x01;
        output.Flow_Sensor_Failure = bytes[5] >> 3 & 0x01;
        output.Radio_Communication_Error = bytes[5] >> 2 & 0x01;
        output.Received_Signal_Strength = bytes[5] >> 1 & 0x01;
        output.Motor_Error = bytes[5] >> 0 & 0x01;
        output.Storage_Voltage = Number((bytes[6] * 0.02).toFixed(2));
        output.Average_Current_Consumed = bytes[7] * 10;
        output.Average_Current_Generated = bytes[8] * 10;
        output.Reference_Completed = bytes[9] >> 4 & 0x01;
        output.Operating_Mode = bytes[9] >> 7 & 0x01;
        output.Storage_Fully_Charged = bytes[9] >> 6 & 0x01;

        if (bytes.length === 11) {
          var um = bytes[9] & 0x03;
          var uv = (um === 0) ? bytes[10] : bytes[10] * 0.5;
          output.User_Mode = um;
          output.User_Value = uv;
        }

        return output;
      }
    default:
      return {
        errors: ['unknown FPort'],
      };
  }
}

function Encode(fPort, obj) 
{
  var encoded = [];

  if ("Valve_Position" in obj) {
    var new_vp = obj.Valve_Position;
    encoded = [new_vp,0x00,0x28,0x00,0x30,0x40];
  }

  if ("Set_Point_Ambient_Temperature" in obj) {
    var new_spt = (obj.Set_Point_Ambient_Temperature)*2;
    encoded = [new_spt,0x00,0x28,0x08,0x30,0x40];
  }

  return encoded;
}