⬆️MClimate Fan Coil Thermostat Uplink decoder
TTN V3 Decoder (JavaScript ES5):
function decodeUplink(input) {
try {
var bytes = input.bytes;
var data = {};
const toBool = value => value == '1';
var calculateTemperature = function (rawData) { return (rawData - 400) / 10 };
var calculateHumidity = function (rawData) { return (rawData * 100) / 256 };
var decbin = function (number) {
if (number < 0) {
number = 0xFFFFFFFF + number + 1
}
number = number.toString(2);
return "00000000".substr(number.length) + number;
}
function handleKeepalive(bytes, data) {
var tempDec = parseInt(`${decbin(bytes[1])}${decbin(bytes[2])}`, 2);
var temperatureValue = calculateTemperature(tempDec);
var humidityValue = calculateHumidity(bytes[3]);
var targetTemperature = parseInt(`${decbin(bytes[4])}${decbin(bytes[5])}`, 2) / 10;
var operationalMode = bytes[6];
var displayedFanSpeed = bytes[7];
var actualFanSpeed = bytes[8];
var valveStatus = bytes[9];
var deviceStatus = bytes[10];
data.sensorTemperature = Number(temperatureValue.toFixed(2));
data.relativeHumidity = Number(humidityValue.toFixed(2));
data.targetTemperature = targetTemperature;
data.operationalMode = operationalMode;
data.displayedFanSpeed = displayedFanSpeed;
data.actualFanSpeed = actualFanSpeed;
data.valveStatus = valveStatus;
data.deviceStatus = deviceStatus;
return data;
}
function handleResponse(bytes, data) {
var commands = bytes.map(function (byte) {
return ("0" + byte.toString(16)).substr(-2);
});
commands = commands.slice(0, -11);
var command_len = 0;
commands.map(function (command, i) {
switch (command) {
case '04':
{
command_len = 2;
var hardwareVersion = commands[i + 1];
var softwareVersion = commands[i + 2];
data.deviceVersions = { hardware: Number(hardwareVersion), software: Number(softwareVersion) };
}
break;
case '05':
{
command_len = 1;
data.targetTemperatureStep = parseInt(commands[i + 1], 16) / 10
}
break;
case '12':
{
command_len = 1;
data.keepAliveTime = parseInt(commands[i + 1], 16);
}
break;
case '14':
{
command_len = 1;
data.keysLock = toBool(parseInt(commands[i + 1], 16));
}
break;
case '15':
{
command_len = 2;
data.temperatureRangeSettings = { min: parseInt(commands[i + 1], 16), max: parseInt(commands[i + 2], 16) };
}
break;
case '19':
{
command_len = 1;
var commandResponse = parseInt(commands[i + 1], 16);
var periodInMinutes = commandResponse * 5 / 60;
data.joinRetryPeriod = periodInMinutes;
}
break;
case '1b':
{
command_len = 1;
data.uplinkType = parseInt(commands[i + 1], 16);
}
break;
case '1d':
{
command_len = 2;
var deviceKeepAlive = 5;
var wdpC = commands[i + 1] == '00' ? false : commands[i + 1] * deviceKeepAlive + 7;
var wdpUc = commands[i + 2] == '00' ? false : parseInt(commands[i + 2], 16);
data.watchDogParams = { wdpC: wdpC, wdpUc: wdpUc };
}
break;
case '2f':
{
command_len = 1;
data.targetTemperature = parseInt(commands[i + 1], 16);
}
break;
case '30':
{
command_len = 1;
data.manualTargetTemperatureUpdate = parseInt(commands[i + 1], 16);
}
break;
case '32':
{
command_len = 1;
data.valveOpenCloseTime = parseInt(commands[i + 1], 16);
}
break;
case '34':
{
command_len = 1;
data.displayRefreshPeriod = parseInt(commands[i + 1], 16);
}
break;
case '41':
{
command_len = 1;
data.currentTemperatureVisibility = parseInt(commands[i + 1], 16);
}
break;
case '43':
{
command_len = 1;
data.humidityVisibility = parseInt(commands[i + 1], 16);
}
break;
case '45':
{
command_len = 1;
data.fanSpeed = parseInt(commands[i + 1], 16);
}
break;
case '47':
{
command_len = 1;
data.fanSpeedLimit = parseInt(commands[i + 1], 16);
}
break;
case '49':
{
command_len = 2;
data.ecmVoltageRange = { min: parseInt(commands[i + 1], 16) / 10, max: parseInt(commands[i + 2], 16) / 10 };
}
break;
case '4b':
{
command_len = 1;
data.ecmStartUpTime = parseInt(commands[i + 1], 16);
}
break;
case '4d':
{
command_len = 1;
data.ecmRelay = parseInt(commands[i + 1], 16);
}
break;
case '4f':
{
command_len = 1;
data.frostProtection = parseInt(commands[i + 1], 16);
}
break;
case '51':
{
command_len = 2;
data.frostProtectionSettings = { threshold: parseInt(commands[i + 1], 16), setpoint: parseInt(commands[i + 2], 16) };
}
break;
case '55':
{
command_len = 1;
data.allowedOperationalModes = parseInt(commands[i + 1], 16);
}
break;
case '57':
{
command_len = 1;
data.coolingSetpointNotOccupied = parseInt(commands[i + 1], 16);
}
break;
case '59':
{
command_len = 1;
data.heatingSetpointNotOccupied = parseInt(commands[i + 1], 16);
}
break;
case '5b':
{
command_len = 2;
data.tempSensorCompensation = { compensation: parseInt(commands[i + 1], 16), temperature: parseInt(commands[i + 2], 16) };
}
break;
case '5d':
{
command_len = 1;
data.fanSpeedNotOccupied = parseInt(commands[i + 1], 16);
}
break;
case '5f':
{
command_len = 1;
data.automaticChangeover = parseInt(commands[i + 1], 16);
}
break;
case '61':
{
command_len = 1;
data.wiringDiagram = parseInt(commands[i + 1], 16);
}
break;
case '63':
{
command_len = 1;
data.occFunction = parseInt(commands[i + 1], 16);
}
break;
case '65':
{
command_len = 2;
data.automaticChangeoverThreshold = { coolingThreshold: parseInt(commands[i + 1], 16), heatingThreshold: parseInt(commands[i + 2], 16) };
}
break;
case '69':
{
command_len = 1;
data.returnOfPowerOperation = parseInt(commands[i + 1], 16);
}
break;
case '6b':
{
command_len = 1;
data.deltaTemperature1 = parseInt(commands[i + 1], 16) / 10;
}
break;
case '6d':
{
command_len = 2;
data.deltaTemperature2and3 = { deltaTemperature2: parseInt(commands[i + 1], 16) / 10, deltaTemperature3: parseInt(commands[i + 2], 16) / 10 };
}
break;
case '6e':
{
command_len = 1;
data.frostProtectionStatus = parseInt(commands[i + 1], 16);
}
break;
case '70':
{
command_len = 1;
data.occupancySensorStatusSetPoint = parseInt(commands[i + 1], 16);
}
break;
case '71':
{
command_len = 1;
data.occupancySensorStatus = parseInt(commands[i + 1], 16);
}
break;
case '72':
{
command_len = 1;
data.dewPointSensorStatus = parseInt(commands[i + 1], 16);
}
break;
case '73':
{
command_len = 1;
data.filterAlarm = parseInt(commands[i + 1], 16);
}
break;
case 'a0':
{
command_len = 4;
let fuota_address = parseInt(`${commands[i + 1]}${commands[i + 2]}${commands[i + 3]}${commands[i + 4]}`, 16)
let fuota_address_raw = `${commands[i + 1]}${commands[i + 2]}${commands[i + 3]}${commands[i + 4]}`
data.fuota = { fuota_address, fuota_address_raw };
}
break;
default:
break;
}
commands.splice(i, command_len);
});
return data;
}
if (bytes[0] == 1) {
data = handleKeepalive(bytes, data);
} else {
data = handleResponse(bytes, data);
bytes = bytes.slice(-11);
data = handleKeepalive(bytes, data);
}
return { data: data };
} catch (e) {
throw new Error('Unhandled data');
}
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