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payload-test.html
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<!DOCTYPE html>
<html>
<head>
<title>Decentlab Payload Test</title>
<link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Roboto:300,500,700,400,700i,400i,300i">
<link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Roboto+Mono:300,500,700,400,700i,400i,300i">
<style>
pre {
outline: 1px solid #ccc;
padding: 5px; margin:
5px;
}
.string {
color: #008000;
}
.number {
color: #0000ff;
}
.boolean {
color: #b22222;
}
.null {
color: #808080;
}
.key {
color: #000000;
}
body, p, ul, ol, button, input, select, textarea {
font-weight: normal;
font-family: Roboto, Arial, sans-serif;;
font-size: 12px;
font-style: normal;
letter-spacing: 0em;
line-height:1.6em
}
.main-container {
display: flex;
flex-flow: row wrap;
align-content: space-between;
justify-content: space-between;
}
.break {
flex-basis: 100%;
height: 0;
}
.output-container {
width: 100%;
}
.bytes-container {
flex-grow: 1;
}
.bytes-container > input {
width: 100%;
}
.container > * {
display: block;
}
.container {
margin: 10px 0 0 10px;
}
.title {
margin-left: 10px;
}
.button-container {
display: flex;
align-items: flex-end;
}
.content {
margin: auto;
max-width: 600px;
}
#output {
font-family: 'Roboto Mono';
margin: 0;
}
.params-container {
margin-right: 1em;
white-space: nowrap;
}
</style>
</head>
<body>
<div class="content">
<h1 class="title">Decentlab Payload Test</h1>
<div class="main-container">
<div class="container">
<label for="device">Device type</label>
<select id="device" onchange="updateParams(this.value)">
<option value="DL-10HS">DL-10HS</option>
<option value="DL-5TE">DL-5TE</option>
<option value="DL-5TM">DL-5TM</option>
<option value="DL-AC">DL-AC</option>
<option value="DL-ALB">DL-ALB</option>
<option value="DL-ATM22">DL-ATM22</option>
<option value="DL-ATM41">DL-ATM41</option>
<option value="DL-BLG">DL-BLG</option>
<option value="DL-CTD10">DL-CTD10</option>
<option value="DL-CWS">DL-CWS</option>
<option value="DL-CWS2">DL-CWS2</option>
<option value="DL-DLR2-002">DL-DLR2-002</option>
<option value="DL-DLR2-003">DL-DLR2-003</option>
<option value="DL-DLR2-004">DL-DLR2-004</option>
<option value="DL-DLR2-005">DL-DLR2-005</option>
<option value="DL-DLR2-006">DL-DLR2-006</option>
<option value="DL-DLR2-008">DL-DLR2-008</option>
<option value="DL-DLR2-009">DL-DLR2-009</option>
<option value="DL-DLR2-010">DL-DLR2-010</option>
<option value="DL-DLR2-011">DL-DLR2-011</option>
<option value="DL-DLR2-012">DL-DLR2-012</option>
<option value="DL-DS18">DL-DS18</option>
<option value="DL-DS182">DL-DS182</option>
<option value="DL-DWS">DL-DWS</option>
<option value="DL-EPAR">DL-EPAR</option>
<option value="DL-FSPAR">DL-FSPAR</option>
<option value="DL-GMM">DL-GMM</option>
<option value="DL-GS3">DL-GS3</option>
<option value="DL-IAM">DL-IAM</option>
<option value="DL-IFD">DL-IFD</option>
<option value="DL-ILT">DL-ILT</option>
<option value="DL-ISD">DL-ISD</option>
<option value="DL-ISF">DL-ISF</option>
<option value="DL-ITST">DL-ITST</option>
<option value="DL-KL66">DL-KL66</option>
<option value="DL-LID">DL-LID</option>
<option value="DL-LID2">DL-LID2</option>
<option value="DL-LP8P">DL-LP8P</option>
<option value="DL-LPW">DL-LPW</option>
<option value="DL-LWS">DL-LWS</option>
<option value="DL-MBX">DL-MBX</option>
<option value="DL-NTU">DL-NTU</option>
<option value="DL-OPTOD">DL-OPTOD</option>
<option value="DL-PAR">DL-PAR</option>
<option value="DL-PHEHT">DL-PHEHT</option>
<option value="DL-PM">DL-PM</option>
<option value="DL-PMC1">DL-PMC1</option>
<option value="DL-PR21">DL-PR21</option>
<option value="DL-PR26">DL-PR26</option>
<option value="DL-PR36">DL-PR36</option>
<option value="DL-PR36CTD">DL-PR36CTD</option>
<option value="DL-PYR">DL-PYR</option>
<option value="DL-RHC">DL-RHC</option>
<option value="DL-SDD">DL-SDD</option>
<option value="DL-SHT21">DL-SHT21</option>
<option value="DL-SHT35">DL-SHT35</option>
<option value="DL-SMTP">DL-SMTP</option>
<option value="DL-TBRG">DL-TBRG</option>
<option value="DL-TP">DL-TP</option>
<option value="DL-TRS11">DL-TRS11</option>
<option value="DL-TRS12">DL-TRS12</option>
<option value="DL-TRS21">DL-TRS21</option>
<option value="DL-UVEAS-001">DL-UVEAS-001</option>
<option value="DL-WRM">DL-WRM</option>
<option value="DL-ZN1">DL-ZN1</option>
<option value="DL-ZN2">DL-ZN2</option>
</select>
</div>
<div class="bytes-container container">
<label for="bytes">Payload</label>
<input id="bytes" type="text" onkeyup="forceClick(event)"/>
</div>
<div class="container">
<label for="encoding">Payload encoding</label>
<select id="encoding">
<option value="hex" selected>hex</option>
<option value="base64">base64</option>
</select>
</div>
<div class="button-container container">
<button id="decode" type="button" onclick="decode()">Decode</button>
</div>
<div class="break"></div>
<div class="output-container container">
<div id="params"></div>
</div>
<div class="break"></div>
<div class="output-container container"><pre id="output"></pre></div>
</div>
</div>
</body>
<script>
var decoders = {};
{
/* https://www.decentlab.com/products/co2-temperature-humidity-and-barometric-pressure-sensor-for-lorawan */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
SENSORS: [
{length: 2,
values: [{name: 'air_temperature',
displayName: 'Air temperature',
convert: function (x) { return 175.72 * x[0] / 65536 - 46.85; },
unit: '°C'},
{name: 'air_humidity',
displayName: 'Air humidity',
convert: function (x) { return 125 * x[1] / 65536 - 6; },
unit: '%'}]},
{length: 2,
values: [{name: 'barometer_temperature',
displayName: 'Barometer temperature',
convert: function (x) { return (x[0] - 5000) / 100; },
unit: '°C'},
{name: 'barometric_pressure',
displayName: 'Barometric pressure',
convert: function (x) { return x[1] * 2; },
unit: 'Pa'}]},
{length: 8,
values: [{name: 'co2_concentration',
displayName: 'CO2 concentration',
convert: function (x) { return x[0] - 32768; },
unit: 'ppm'},
{name: 'co2_concentration_lpf',
displayName: 'CO2 concentration LPF',
convert: function (x) { return x[1] - 32768; },
unit: 'ppm'},
{name: 'co2_sensor_temperature',
displayName: 'CO2 sensor temperature',
convert: function (x) { return (x[2] - 32768) / 100; },
unit: '°C'},
{name: 'capacitor_voltage_1',
displayName: 'Capacitor voltage 1',
convert: function (x) { return x[3] / 1000; },
unit: 'V'},
{name: 'capacitor_voltage_2',
displayName: 'Capacitor voltage 2',
convert: function (x) { return x[4] / 1000; },
unit: 'V'},
{name: 'co2_sensor_status',
displayName: 'CO2 sensor status',
convert: function (x) { return x[5]; }},
{name: 'raw_ir_reading',
displayName: 'Raw IR reading',
convert: function (x) { return x[6]; }},
{name: 'raw_ir_reading_lpf',
displayName: 'Raw IR reading LPF',
convert: function (x) { return x[7]; }}]},
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {
x.push(this.read_int(bytes, pos));
pos += 2;
}
// decode sensor values
for (j = 0; j < sensor.values.length; j++) {
var value = sensor.values[j];
if ('convert' in value) {
result[value.name] = {displayName: value.displayName,
value: value.convert.bind(this)(x)};
if ('unit' in value)
result[value.name]['unit'] = value.unit;
}
}
}
return result;
}
};
decoders["DL-LP8P"] = decentlab_decoder;
}
{
/* https://www.decentlab.com/products/pressure-/-liquid-level-and-temperature-sensor-for-lorawan */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
/* device-specific parameters */
PARAMETERS: {
Pmin: 0.0,
Pmax: 1.0
},
SENSORS: [
{length: 2,
values: [{name: 'pressure',
displayName: 'Pressure',
convert: function (x) { return (x[0] - 16384) / 32768 * (this.PARAMETERS.Pmax - this.PARAMETERS.Pmin) + this.PARAMETERS.Pmin; },
unit: 'bar'},
{name: 'temperature',
displayName: 'Temperature',
convert: function (x) { return (x[1] - 384) * 0.003125 - 50; },
unit: '°C'}]},
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {
x.push(this.read_int(bytes, pos));
pos += 2;
}
// decode sensor values
for (j = 0; j < sensor.values.length; j++) {
var value = sensor.values[j];
if ('convert' in value) {
result[value.name] = {displayName: value.displayName,
value: value.convert.bind(this)(x)};
if ('unit' in value)
result[value.name]['unit'] = value.unit;
}
}
}
return result;
}
};
decoders["DL-PR26"] = decentlab_decoder;
}
{
/* https://www.decentlab.com/products/pressure-/-liquid-level-and-temperature-sensor-with-g1/4-pipe-thread-for-lorawan */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
/* device-specific parameters */
PARAMETERS: {
Pmin: -1.0,
Pmax: 10.0
},
SENSORS: [
{length: 2,
values: [{name: 'pressure',
displayName: 'Pressure',
convert: function (x) { return (x[0] - 16384) / 32768 * (this.PARAMETERS.Pmax - this.PARAMETERS.Pmin) + this.PARAMETERS.Pmin; },
unit: 'bar'},
{name: 'temperature',
displayName: 'Temperature',
convert: function (x) { return (x[1] - 384) * 0.003125 - 50; },
unit: '°C'}]},
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {
x.push(this.read_int(bytes, pos));
pos += 2;
}
// decode sensor values
for (j = 0; j < sensor.values.length; j++) {
var value = sensor.values[j];
if ('convert' in value) {
result[value.name] = {displayName: value.displayName,
value: value.convert.bind(this)(x)};
if ('unit' in value)
result[value.name]['unit'] = value.unit;
}
}
}
return result;
}
};
decoders["DL-PR21"] = decentlab_decoder;
}
{
/* https://www.decentlab.com/products/high-precision-pressure-/-liquid-level-and-temperature-sensor-for-lorawan */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
/* device-specific parameters */
PARAMETERS: {
kp: 8192
},
SENSORS: [
{length: 2,
values: [{name: 'pressure',
displayName: 'Pressure',
convert: function (x) { return (x[0] - 32768) / this.PARAMETERS.kp; },
unit: 'bar'},
{name: 'temperature',
displayName: 'Temperature',
convert: function (x) { return (x[1] - 32768) / 256; },
unit: '°C'}]},
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {
x.push(this.read_int(bytes, pos));
pos += 2;
}
// decode sensor values
for (j = 0; j < sensor.values.length; j++) {
var value = sensor.values[j];
if ('convert' in value) {
result[value.name] = {displayName: value.displayName,
value: value.convert.bind(this)(x)};
if ('unit' in value)
result[value.name]['unit'] = value.unit;
}
}
}
return result;
}
};
decoders["DL-PR36"] = decentlab_decoder;
}
{
/* https://www.decentlab.com/products/high-precision-pressure-/-liquid-level-temperature-and-electrical-conductivity-sensor-for-lorawan */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
/* device-specific parameters */
PARAMETERS: {
kp: 8192,
kec: 1024
},
SENSORS: [
{length: 4,
values: [{name: 'pressure',
displayName: 'Pressure',
convert: function (x) { return (x[0] - 32768) / this.PARAMETERS.kp; },
unit: 'bar'},
{name: 'temperature_electronics',
displayName: 'Temperature (electronics)',
convert: function (x) { return (x[1] - 32768) / 256; },
unit: '°C'},
{name: 'temperature_pt1000',
displayName: 'Temperature (PT1000)',
convert: function (x) { return (x[2] - 32768) / 256; },
unit: '°C'},
{name: 'electrical_conductivity',
displayName: 'Electrical conductivity',
convert: function (x) { return (x[3] - 32768) / this.PARAMETERS.kec; },
unit: 'mS⋅cm⁻¹'}]},
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {
x.push(this.read_int(bytes, pos));
pos += 2;
}
// decode sensor values
for (j = 0; j < sensor.values.length; j++) {
var value = sensor.values[j];
if ('convert' in value) {
result[value.name] = {displayName: value.displayName,
value: value.convert.bind(this)(x)};
if ('unit' in value)
result[value.name]['unit'] = value.unit;
}
}
}
return result;
}
};
decoders["DL-PR36CTD"] = decentlab_decoder;
}
{
/* https://www.decentlab.com/products/indoor-ambiance-monitor-including-co2-tvoc-and-motion-sensor-for-lorawan */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
SENSORS: [
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]},
{length: 2,
values: [{name: 'air_temperature',
displayName: 'Air temperature',
convert: function (x) { return 175 * x[0] / 65535 - 45; },
unit: '°C'},
{name: 'air_humidity',
displayName: 'Air humidity',
convert: function (x) { return 100 * x[1] / 65535; },
unit: '%'}]},
{length: 1,
values: [{name: 'barometric_pressure',
displayName: 'Barometric pressure',
convert: function (x) { return x[0] * 2; },
unit: 'Pa'}]},
{length: 2,
values: [{name: 'ambient_light_visible_infrared',
displayName: 'Ambient light (visible + infrared)',
convert: function (x) { return x[0]; }},
{name: 'ambient_light_infrared',
displayName: 'Ambient light (infrared)',
convert: function (x) { return x[1]; }},
{name: 'illuminance',
displayName: 'Illuminance',
convert: function (x) { return Math.max(Math.max(1.0 * x[0] - 1.64 * x[1], 0.59 * x[0] - 0.86 * x[1]), 0) * 1.5504; },
unit: 'lx'}]},
{length: 3,
values: [{name: 'co2_concentration',
displayName: 'CO2 concentration',
convert: function (x) { return x[0] - 32768; },
unit: 'ppm'},
{name: 'co2_sensor_status',
displayName: 'CO2 sensor status',
convert: function (x) { return x[1]; }},
{name: 'raw_ir_reading',
displayName: 'Raw IR reading',
convert: function (x) { return x[2]; }}]},
{length: 1,
values: [{name: 'activity_counter',
displayName: 'Activity counter',
convert: function (x) { return x[0]; }}]},
{length: 1,
values: [{name: 'total_voc',
displayName: 'Total VOC',
convert: function (x) { return x[0]; },
unit: 'ppb'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {
x.push(this.read_int(bytes, pos));
pos += 2;
}
// decode sensor values
for (j = 0; j < sensor.values.length; j++) {
var value = sensor.values[j];
if ('convert' in value) {
result[value.name] = {displayName: value.displayName,
value: value.convert.bind(this)(x)};
if ('unit' in value)
result[value.name]['unit'] = value.unit;
}
}
}
return result;
}
};
decoders["DL-IAM"] = decentlab_decoder;
}
{
/* https://www.decentlab.com/support */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
SENSORS: [
{length: 2,
values: [{name: 'air_temperature',
displayName: 'Air temperature',
convert: function (x) { return 175.72 * x[0] / 65536 - 46.85; },
unit: '°C'},
{name: 'air_humidity',
displayName: 'Air humidity',
convert: function (x) { return 125 * x[1] / 65536 - 6; },
unit: '%'}]},
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {
x.push(this.read_int(bytes, pos));
pos += 2;
}
// decode sensor values
for (j = 0; j < sensor.values.length; j++) {
var value = sensor.values[j];
if ('convert' in value) {
result[value.name] = {displayName: value.displayName,
value: value.convert.bind(this)(x)};
if ('unit' in value)
result[value.name]['unit'] = value.unit;
}
}
}
return result;
}
};
decoders["DL-SHT21"] = decentlab_decoder;
}
{
/* https://www.decentlab.com/products/strain-/-weight-sensor-for-lorawan */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
/* device-specific parameters */
PARAMETERS: {
f0: 15383.72,
k: 46.4859
},
SENSORS: [
{length: 3,
values: [{name: 'counter_reading',
displayName: 'Counter reading',
convert: function (x) { return x[0]; }},
{name: 'measurement_interval',
displayName: 'Measurement interval',
convert: function (x) { return x[1] / 32768; }},
{name: 'frequency',
displayName: 'Frequency',
convert: function (x) { return x[0] / x[1] * 32768; },
unit: 'Hz'},
{name: 'weight',
displayName: 'Weight',
convert: function (x) { return (Math.pow(x[0] / x[1] * 32768, 2) - Math.pow(this.PARAMETERS.f0, 2)) * this.PARAMETERS.k / 1000000; },
unit: 'g'},
{name: 'elongation',
displayName: 'Elongation',
convert: function (x) { return (Math.pow(x[0] / x[1] * 32768, 2) - Math.pow(this.PARAMETERS.f0, 2)) * this.PARAMETERS.k / 1000000 * (-1.5) / 1000 * 9.8067; },
unit: 'µm'},
{name: 'strain',
displayName: 'Strain',
convert: function (x) { return (Math.pow(x[0] / x[1] * 32768, 2) - Math.pow(this.PARAMETERS.f0, 2)) * this.PARAMETERS.k / 1000000 * (-1.5) / 1000 * 9.8067 / 0.066; },
unit: 'µm⋅m⁻¹'}]},
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {
x.push(this.read_int(bytes, pos));
pos += 2;
}
// decode sensor values
for (j = 0; j < sensor.values.length; j++) {
var value = sensor.values[j];
if ('convert' in value) {
result[value.name] = {displayName: value.displayName,
value: value.convert.bind(this)(x)};
if ('unit' in value)
result[value.name]['unit'] = value.unit;
}
}
}
return result;
}
};
decoders["DL-KL66"] = decentlab_decoder;
}
{
/* https://www.decentlab.com/products/wind-speed-wind-direction-and-temperature-sensor-for-lorawan */
var decentlab_decoder = {
PROTOCOL_VERSION: 2,
SENSORS: [
{length: 8,
values: [{name: 'wind_speed',
displayName: 'Wind speed',
convert: function (x) { return (x[0] - 32768) / 100; },
unit: 'm⋅s⁻¹'},
{name: 'wind_direction',
displayName: 'Wind direction',
convert: function (x) { return (x[1] - 32768) / 10; },
unit: '°'},
{name: 'maximum_wind_speed',
displayName: 'Maximum wind speed',
convert: function (x) { return (x[2] - 32768) / 100; },
unit: 'm⋅s⁻¹'},
{name: 'air_temperature',
displayName: 'Air temperature',
convert: function (x) { return (x[3] - 32768) / 10; },
unit: '°C'},
{name: 'x_orientation_angle',
displayName: 'X orientation angle',
convert: function (x) { return (x[4] - 32768) / 10; },
unit: '°'},
{name: 'y_orientation_angle',
displayName: 'Y orientation angle',
convert: function (x) { return (x[5] - 32768) / 10; },
unit: '°'},
{name: 'north_wind_speed',
displayName: 'North wind speed',
convert: function (x) { return (x[6] - 32768) / 100; },
unit: 'm⋅s⁻¹'},
{name: 'east_wind_speed',
displayName: 'East wind speed',
convert: function (x) { return (x[7] - 32768) / 100; },
unit: 'm⋅s⁻¹'}]},
{length: 1,
values: [{name: 'battery_voltage',
displayName: 'Battery voltage',
convert: function (x) { return x[0] / 1000; },
unit: 'V'}]}
],
read_int: function (bytes, pos) {
return (bytes[pos] << 8) + bytes[pos + 1];
},
decode: function (msg) {
var bytes = msg;
var i, j;
if (typeof msg === 'string') {
bytes = [];
for (i = 0; i < msg.length; i += 2) {
bytes.push(parseInt(msg.substring(i, i + 2), 16));
}
}
var version = bytes[0];
if (version != this.PROTOCOL_VERSION) {
return {error: "protocol version " + version + " doesn't match v2"};
}
var deviceId = this.read_int(bytes, 1);
var flags = this.read_int(bytes, 3);
var result = {'protocol_version': version, 'device_id': deviceId};
// decode payload
var pos = 5;
for (i = 0; i < this.SENSORS.length; i++, flags >>= 1) {
if ((flags & 1) !== 1)
continue;
var sensor = this.SENSORS[i];
var x = [];
// convert data to 16-bit integer array
for (j = 0; j < sensor.length; j++) {