Wisely Standard

Device Profile for Tesenso IoT Cloud

616B

wisely_standard.json

Decoder/Payload Converter for Tesenso IoT Cloud

https://github.com/Tesenso-GmbH/Device-Decoder/blob/main/Avelon_Wisely_Standard.js

// V1.0, 02.09.2021, DS

if(msg.data)
{
var decoded = decodeFromHex(msg.data);
decoded.ts = msg.ts;
decoded.rssi = msg.rssi;
decoded.snr = msg.snr;
decoded.toa = msg.toa;
decoded.frequency = msg.frequency;
decoded.dr = msg.dr;
decoded.bat = decodeBattery(msg.bat);
decoded.hex = msg.data;

return {
    msg: decoded,
    metadata: metadata,
    msgType: msgType
};
}
else{
  return {
    msg: msg,
    metadata: metadata,
    msgType: msgType
};  
}

//Functions

function decodeFromHex(data) {
    // Decode an uplink message from a buffer
    // (array) of bytes to an object of fields.

    var decoded = {};
    var bytes = parseHexString(data);
    
    var a = bytes[1] << 8;
    var b = bytes[2];
    var barometricPressure = barometricPressure = (a|b)*10.0;
    decoded.barometricPressure = barometricPressure;
    
    var c = bytes[3] << 8;
    var d = bytes[4];
    var temperature = temperature = (c|d)/10.0;
    decoded.temperature = temperature;
    
    var humidity = bytes[5]/2.0;
    decoded.humidity = humidity;
    
    var e = bytes[6] << 8;
    var f = bytes[7];
    decoded.co2 = (e|f);
    
    if (temperature > 0)
    {
        //*10^10
        var satPressure = 1.40574 * Math.exp(-3928.5 / (temperature + 231.667))*10000000000;
    }
    else
    {
        var satPressure = 100 * 361.633 * 10^12 * Math.exp(-6150.6 / (temperature + 273.33))*10000000000;
    }
    //decoded.satPressure = satPressure;
    decoded.absoluteHumidity = 0.6222 * satPressure * humidity/100 / ( barometricPressure - satPressure * humidity/100 ) * 1000
    
    return decoded;
}
function getTimestamp(ddmmyy, hhmmss) {
    day = parseInt(ddmmyy / 10000, 10);
    month = parseInt(ddmmyy / 100 - day * 100, 10);
    year = parseInt(ddmmyy - month * 100 - day * 10000 +
        2000, 10);
    hour = parseInt(hhmmss / 10000, 10);
    minute = parseInt(hhmmss / 100 - hour * 100, 10);
    second = parseInt(hhmmss - minute * 100 - hour * 10000,
        10);

    date = new Date(year, month - 1, day, hour, minute,
        second)
    return date.valueOf();
}
function parseHexString(hex) {
    for (var bytes = [], c = 0; c < hex.length; c += 2) {
        bytes.push(parseInt(hex.substr(c, 2), 16));
    }
    return bytes;
}
function decodeBattery(byte) {
    if (byte == 0) {
        return 'External power source';
    } else if (byte > 0 && byte < 255) {
        return byte / 254 * 100;
    } else {
        return 'Unknown battery state';
    }
}

function parseHexStringToBytes(hex) {
    for (var bytes = [], c = 0; c < hex.length; c += 2)
        bytes.push(parseInt(hex.substr(c, 2), 16));
    return bytes;
}

function parseHexStringToNibbles(hex) {
    for (var nibbles = [], c = 0; c < hex.length; c += 1)
        nibbles.push(parseInt(hex.substr(c, 1), 16));
    return nibbles;
}

function convertToBinary(x) {
    var bin = 0;
    var rem, i = 1,
        step = 1;
    while (x != 0) {
        rem = x % 2;
        x = parseInt(x / 2);
        bin = bin + rem * i;
        i = i * 10;
    }
    return bin;
}

function decodeToJson(payload) {
    // covert payload to string.
    var str = decodeToString(payload);
    // parse string to JSON
    var data = JSON.parse(str);
    return data;
}
function convertToBinaryString(x) {
    var bin = "";
    var rem, i = 1,
        step = 1;
    while (x != 0) {
        rem = x % 2;
        x = parseInt(x / 2);
        bin = rem + bin;
        i = i * 10;
    }
    if (bin == "")
    {
        return "0";
    }
    else
    {
        return bin;
    }
}

Device Labels

in manual	dataKey	dataType	dataFormat
Luftdruck	barometricPressure	telemetry	integer
Temperatur	temperature	telemetry	integer
Feuchtigkeit	humidity	telemetry	integer

Uplink documentation

Downlink documentation