Milesight MLRTPS1 Payload Decoder

Codec Uplink Decoder

function get_spt_value(input) {
  var spt_value = input[3];
  switch (spt_value) {
    case 0:
      return "0";
    case 1:
      return "+1";
    case 2:
      return "+2";
    case 3:
      return "+3";
    case 4:
      return "+4";
    case 5:
      return "+5";
    case 12:
      return "-4";
    case 13:
      return "-3";
    case 14:
      return "-2";
    case 15:
      return "-1";
    case 255:
      return "Freeze Protect";
    default:
      return "Invalid SPT value";      
  }
}

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.Ambient_Temperature = bytes[0] * 0.25;
        output.PIR_Status = bytes[1]>>5 & 0x01;
        output.Energy_Storage_Low = bytes[1]>>4 & 0x01;
        output.Radio_Communication_Error = bytes[1]>>3 & 0x01;
        output.Radio_Signal_Strength = bytes[1]>>2 & 0x01;
        output.PIR_Sesnor_Failure = bytes[1]>>1 & 0x01;
        output.Ambient_Temperature_Failure = bytes[1] & 0x01;
        output.Storage_Voltage = Number((bytes[2]*0.02).toFixed(2));
        output.Set_Point_Temperature_Value =  get_spt_value(bytes);

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

MLRTPS BACNET Object Mapping

Only applicable for Milesight FW 60.0.0.45 and up

{
    "object": [
        {
            "id": "Ambient_Temperature",
            "name": "Ambient_Temperature",
            "access_mode": "R",
            "data_type": "NUMBER",
            "value_type": "FLOAT",
            "bacnet_type": "analog_input_object",
            "bacnet_unit_type_id": 62,
            "bacnet_unit_type": "UNITS_DEGREES_CELSIUS"
        },
        {
            "id": "PIR_Status",
            "name": "PIR_Status",
            "access_mode": "R",
            "data_type": "NUMBER",
            "value_type": "UINT8",
            "bacnet_type": "analog_input_object",
            "bacnet_unit_type_id": 95,
            "bacnet_unit_type": "UNITS_NO_UNITS"
        },
        {
            "id": "Energy_Storage_Low",
            "name": "Energy_Storage_Low",
            "access_mode": "R",
            "data_type": "NUMBER",
            "value_type": "UINT8",
            "bacnet_type": "analog_input_object",
            "bacnet_unit_type_id": 95,
            "bacnet_unit_type": "UNITS_NO_UNITS"
        },
        {
            "id": "Radio_Communication_Error",
            "name": "Radio_Communication_Error",
            "access_mode": "R",
            "data_type": "NUMBER",
            "value_type": "UINT8",
            "bacnet_type": "analog_input_object",
            "bacnet_unit_type_id": 95,
            "bacnet_unit_type": "UNITS_NO_UNITS"
        },
        {
            "id": "Radio_Signal_Strength",
            "name": "Radio_Signal_Strength",
            "access_mode": "R",
            "data_type": "NUMBER",
            "value_type": "UINT8",
            "bacnet_type": "analog_input_object",
            "bacnet_unit_type_id": 95,
            "bacnet_unit_type": "UNITS_NO_UNITS"
        },
        {
            "id": "PIR_Sesnor_Failure",
            "name": "PIR_Sesnor_Failure",
            "access_mode": "R",
            "data_type": "NUMBER",
            "value_type": "UINT8",
            "bacnet_type": "analog_input_object",
            "bacnet_unit_type_id": 95,
            "bacnet_unit_type": "UNITS_NO_UNITS"
        },
        {
            "id": "Ambient_Temperature_Failure",
            "name": "Ambient_Temperature_Failure",
            "access_mode": "R",
            "data_type": "NUMBER",
            "value_type": "UINT8",
            "bacnet_type": "analog_input_object",
            "bacnet_unit_type_id": 95,
            "bacnet_unit_type": "UNITS_NO_UNITS"
        },
        {
            "id": "Storage_Voltage",
            "name": "Storage_Voltage",
            "access_mode": "R",
            "data_type": "NUMBER",
            "value_type": "FLOAT",
            "bacnet_type": "analog_input_object",
            "bacnet_unit_type_id": 5,
            "bacnet_unit_type": "UNITS_VOLTS"
        },
        {
            "id": "Set_Point_Temperature_Value",
            "name": "Set_Point_Temperature_Value",
            "access_mode": "R",
            "data_type": "TEXT",
            "value_type": "STRING",
            "bacnet_type": "character_string_value_object",
            "bacnet_unit_type_id": 95,
            "bacnet_unit_type": "UNITS_NO_UNITS"
        }
        ]
}

MLRTPS1 payload codec

MLRTPS1 Packets