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downlink-command-encoder.html
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<!DOCTYPE html>
<html>
<head>
<title>Decentlab Downlink Command Encoder</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: column;
align-content: space-between;
justify-content: space-between;
}
.break {
flex-basis: 100%;
height: 0;
}
.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;
}
.container .output {
font-family: "Roboto Mono";
}
</style>
</head>
<body>
<div class="content">
<h1 class="title">Decentlab Downlink Command Encoder</h1>
<div class="container">
<label for="command">Compatible firmware version</label>
<select id="firmware"></select>
</div>
<div class="main-container">
<div class="container">
<label for="command">Command</label>
<select id="command"></select>
<div id="desc"> </div>
</div>
<div class="container">
<label for="parameter">Parameter value</label>
<input id="parameter" placeholder="Type decimal integer value" />
</div>
<div class="container">
<label for="rawcommand">Hex-encoded command</label>
<div id="rawcommand" class="output"> </div>
</div>
<div class="container">
<label for="base64command">Base64-encoded command</label>
<div id="base64command" class="output"> </div>
</div>
</div>
</div>
</body>
<script>
var COMMANDS = {
"0001": {
desc: "Set sampling period in seconds (1...65535).",
name: "set period",
min_firmware: "0.2.7",
},
"0002": {
desc: "Set sampling period in seconds (1...65535) + save settings.",
name: "set period + save",
min_firmware: "0.2.7",
},
"0003": {
desc: "Set default Tx data rate. Used for next Tx. Actual data rate for following Tx may vary, if ADR is enabled.",
name: "set dr",
min_firmware: "0.2.7",
},
"0004": {
desc: "Set default Tx data rate. Used for next Tx. Actual data rate for following Tx may vary, if ADR is enabled + save settings.",
name: "set dr + save",
min_firmware: "0.2.7",
},
"0005": {
desc: "Enable ADR.",
name: "set adr on",
min_firmware: "0.2.7",
noparam: true,
},
"0006": {
desc: "Enable ADR + save settings.",
name: "set adr on + save",
min_firmware: "0.2.7",
noparam: true,
},
"0007": {
desc: "Disable ADR.",
name: "set adr off",
min_firmware: "0.2.7",
noparam: true,
},
"0008": {
desc: "Disable ADR + save settings.",
name: "set adr off + save",
min_firmware: "0.2.7",
noparam: true,
},
"0009": {
desc: "Set minimum data rate (overrides ADR settings).",
name: "set dr_min",
min_firmware: "1.2.0",
},
"000A": {
desc: "Set minimum data rate (overrides ADR settings) + save settings.",
name: "set dr_min + save",
min_firmware: "1.2.0",
},
"000B": {
desc: "Set maximum data rate (overrides ADR settings).",
name: "set dr_max",
min_firmware: "1.2.0",
},
"000C": {
desc: "Set maximum data rate (overrides ADR settings) + save settings.",
name: "set dr_max + save",
min_firmware: "1.2.0",
},
"000D": {
desc: "Set minimum Tx power index (overrides ADR settings).",
name: "set pwridx_min",
min_firmware: "1.2.0",
},
"000E": {
desc: "Set minimum Tx power index (overrides ADR settings) + save settings.",
name: "set pwridx_min + save",
min_firmware: "1.2.0",
},
"000F": {
desc: "Set maximum Tx power index (overrides ADR settings).",
name: "set pwridx_max",
min_firmware: "1.2.0",
},
"0010": {
desc: "Set maximum Tx power index (overrides ADR settings) + save settings.",
name: "set pwridx_max + save",
min_firmware: "1.2.0",
},
"0011": {
desc: "Set send period. Examples: 0 or 1: send after every sampling; 4: send after every fourth sampling.",
name: "set send_period",
min_firmware: "1.4.0",
},
"0012": {
desc: "Set send period. Examples: 0 or 1: send after every sampling; 4: send after every fourth sampling + save settings.",
name: "set send_period + save",
min_firmware: "1.4.0",
},
"0013": {
desc: "Set re-join period in hours (0...1000). Examples: 24: re-join network every 24 hours. 0: never re- join.",
name: "set join_period",
min_firmware: "1.4.2",
},
"0014": {
desc: "Set re-join period in hours (0...1000). Examples: 24: re-join network every 24 hours. 0: never re- join + save settings.",
name: "set join_period + save",
min_firmware: "1.4.2",
},
"0015": {
desc: "Set default Tx power index. Used for next Tx. Actual pwridx for following Tx may vary, if ADR is enabled.",
name: "set pwridx",
min_firmware: "1.4.5",
},
"0016": {
desc: "Set default Tx power index. Used for next Tx. Actual pwridx for following Tx may vary, if ADR is enabled + save settings.",
name: "set pwridx + save",
min_firmware: "1.4.5",
},
"0017": {
desc: "Set link check period (default: 36).",
name: "set linkcheck_period",
min_firmware: "1.5.0",
},
"0018": {
desc: "Set link check period (default: 36) + save settings.",
name: "set linkcheck_period + save",
min_firmware: "1.5.0",
},
"0019": {
desc: "Set link check tolerance (default: 6).",
name: "set linkcheck_tolerance",
min_firmware: "1.5.0",
},
"001A": {
desc: "Set link check tolerance (default: 6) + save settings.",
name: "set linkcheck_tolerance + save",
min_firmware: "1.5.0",
},
"001B": {
desc: "Set link check limit (default: 12).",
name: "set linkcheck_limit",
min_firmware: "1.5.0",
},
"001C": {
desc: "Set link check limit (default: 12) + save settings.",
name: "set linkcheck_limit + save",
min_firmware: "1.5.0",
},
"001D": {
desc: "Set LoRaWAN uplink port (1...223, default: 1).",
name: "set port",
min_firmware: "1.6.0",
},
"001E": {
desc: "Set LoRaWAN uplink port (1...223, default: 1) + save settings.",
name: "set port + save",
min_firmware: "1.6.0",
},
"0020": {
desc: "Set parameter 0 (0...65534; 65535: invalid).",
name: "set param 0",
min_firmware: "1.4.0",
},
"0021": {
desc: "Set parameter 1 (0...65534; 65535: invalid).",
name: "set param 1",
min_firmware: "1.4.0",
},
"0022": {
desc: "Set parameter 2 (0...65534; 65535: invalid).",
name: "set param 2",
min_firmware: "1.4.0",
},
"0023": {
desc: "Set parameter 3 (0...65534; 65535: invalid).",
name: "set param 3",
min_firmware: "1.4.0",
},
"0024": {
desc: "Set parameter 4 (0...65534; 65535: invalid).",
name: "set param 4",
min_firmware: "1.4.0",
},
"0025": {
desc: "Set parameter 5 (0...65534; 65535: invalid).",
name: "set param 5",
min_firmware: "1.4.0",
},
"0026": {
desc: "Set parameter 6 (0...65534; 65535: invalid).",
name: "set param 6",
min_firmware: "1.4.0",
},
"0027": {
desc: "Set parameter 7 (0...65534; 65535: invalid).",
name: "set param 7",
min_firmware: "1.4.0",
},
"0028": {
desc: "Set parameter 8 (0...65534; 65535: invalid).",
name: "set param 8",
min_firmware: "1.4.0",
},
"0029": {
desc: "Set parameter 9 (0...65534; 65535: invalid).",
name: "set param 9",
min_firmware: "1.4.0",
},
"002A": {
desc: "Set parameter 10 (0...65534; 65535: invalid).",
name: "set param 10",
min_firmware: "1.4.0",
},
"002B": {
desc: "Set parameter 11 (0...65534; 65535: invalid).",
name: "set param 11",
min_firmware: "1.4.0",
},
"002C": {
desc: "Set parameter 12 (0...65534; 65535: invalid).",
name: "set param 12",
min_firmware: "1.4.0",
},
"002D": {
desc: "Set parameter 13 (0...65534; 65535: invalid).",
name: "set param 13",
min_firmware: "1.4.0",
},
"002E": {
desc: "Set parameter 14 (0...65534; 65535: invalid).",
name: "set param 14",
min_firmware: "1.4.0",
},
"002F": {
desc: "Set parameter 15 (0...65534; 65535: invalid). ",
name: "set param 15",
min_firmware: "1.4.0",
},
"0030": {
desc: "Set parameter 0 (0...65534; 65535: invalid) + save settings.",
name: "set param 0 + save",
min_firmware: "1.4.0",
},
"0031": {
desc: "Set parameter 1 (0...65534; 65535: invalid) + save settings.",
name: "set param 1 + save",
min_firmware: "1.4.0",
},
"0032": {
desc: "Set parameter 2 (0...65534; 65535: invalid) + save settings.",
name: "set param 2 + save",
min_firmware: "1.4.0",
},
"0033": {
desc: "Set parameter 3 (0...65534; 65535: invalid) + save settings.",
name: "set param 3 + save",
min_firmware: "1.4.0",
},
"0034": {
desc: "Set parameter 4 (0...65534; 65535: invalid) + save settings.",
name: "set param 4 + save",
min_firmware: "1.4.0",
},
"0035": {
desc: "Set parameter 5 (0...65534; 65535: invalid) + save settings.",
name: "set param 5 + save",
min_firmware: "1.4.0",
},
"0036": {
desc: "Set parameter 6 (0...65534; 65535: invalid) + save settings.",
name: "set param 6 + save",
min_firmware: "1.4.0",
},
"0037": {
desc: "Set parameter 7 (0...65534; 65535: invalid) + save settings.",
name: "set param 7 + save",
min_firmware: "1.4.0",
},
"0038": {
desc: "Set parameter 8 (0...65534; 65535: invalid) + save settings.",
name: "set param 8 + save",
min_firmware: "1.4.0",
},
"0039": {
desc: "Set parameter 9 (0...65534; 65535: invalid) + save settings.",
name: "set param 9 + save",
min_firmware: "1.4.0",
},
"003A": {
desc: "Set parameter 10 (0...65534; 65535: invalid) + save settings.",
name: "set param 10 + save",
min_firmware: "1.4.0",
},
"003B": {
desc: "Set parameter 11 (0...65534; 65535: invalid) + save settings.",
name: "set param 11 + save",
min_firmware: "1.4.0",
},
"003C": {
desc: "Set parameter 12 (0...65534; 65535: invalid) + save settings.",
name: "set param 12 + save",
min_firmware: "1.4.0",
},
"003D": {
desc: "Set parameter 13 (0...65534; 65535: invalid) + save settings.",
name: "set param 13 + save",
min_firmware: "1.4.0",
},
"003E": {
desc: "Set parameter 14 (0...65534; 65535: invalid) + save settings.",
name: "set param 14 + save",
min_firmware: "1.4.0",
},
"003F": {
desc: "Set parameter 15 (0...65534; 65535: invalid) + save settings.",
name: "set param 15 + save",
min_firmware: "1.4.0",
},
"0050": {
desc: "Set (sub-)sampling period of sensor 0.",
name: "set sensor_period 0",
advanced: true,
min_firmware: "1.4.5",
},
"0051": {
desc: "Set (sub-)sampling period of sensor 1.",
name: "set sensor_period 1",
advanced: true,
min_firmware: "1.4.5",
},
"0052": {
desc: "Set (sub-)sampling period of sensor 2.",
name: "set sensor_period 2",
advanced: true,
min_firmware: "1.4.5",
},
"0053": {
desc: "Set (sub-)sampling period of sensor 3.",
name: "set sensor_period 3",
advanced: true,
min_firmware: "1.4.5",
},
"0054": {
desc: "Set (sub-)sampling period of sensor 4.",
name: "set sensor_period 4",
advanced: true,
min_firmware: "1.4.5",
},
"0055": {
desc: "Set (sub-)sampling period of sensor 5.",
name: "set sensor_period 5",
advanced: true,
min_firmware: "1.4.5",
},
"0056": {
desc: "Set (sub-)sampling period of sensor 6.",
name: "set sensor_period 6",
advanced: true,
min_firmware: "1.4.5",
},
"0057": {
desc: "Set (sub-)sampling period of sensor 7.",
name: "set sensor_period 7",
advanced: true,
min_firmware: "1.4.5",
},
"0058": {
desc: "Set (sub-)sampling period of sensor 8.",
name: "set sensor_period 8",
advanced: true,
min_firmware: "1.4.5",
},
"0059": {
desc: "Set (sub-)sampling period of sensor 9.",
name: "set sensor_period 9",
advanced: true,
min_firmware: "1.4.5",
},
"0060": {
desc: "Set (sub-)sampling period of sensor 0 + save settings.",
name: "set sensor_period 0 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0061": {
desc: "Set (sub-)sampling period of sensor 1 + save settings.",
name: "set sensor_period 1 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0062": {
desc: "Set (sub-)sampling period of sensor 2 + save settings.",
name: "set sensor_period 2 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0063": {
desc: "Set (sub-)sampling period of sensor 3 + save settings.",
name: "set sensor_period 3 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0064": {
desc: "Set (sub-)sampling period of sensor 4 + save settings.",
name: "set sensor_period 4 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0065": {
desc: "Set (sub-)sampling period of sensor 5 + save settings.",
name: "set sensor_period 5 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0066": {
desc: "Set (sub-)sampling period of sensor 6 + save settings.",
name: "set sensor_period 6 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0067": {
desc: "Set (sub-)sampling period of sensor 7 + save settings.",
name: "set sensor_period 7 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0068": {
desc: "Set (sub-)sampling period of sensor 8 + save settings.",
name: "set sensor_period 8 + save",
advanced: true,
min_firmware: "1.4.5",
},
"0069": {
desc: "Set (sub-)sampling period of sensor 9 + save settings.",
name: "set sensor_period 9 + save",
advanced: true,
min_firmware: "1.4.5",
},
FEFE: {
desc: "Reset device. Unsaved parameter changes are lost.",
name: "reset",
min_firmware: "0.2.7",
noparam: true,
},
FEF0: {
desc: "Erase settings in flash and reset.",
name: "factory reset",
min_firmware: "0.2.7",
noparam: true,
},
FEF1: {
desc: "Enter sleep mode (power off).",
name: "sleep",
min_firmware: "1.5.0",
noparam: true,
},
};
var crc16 = function (buffer) {
var crc = 0xffff;
var odd;
for (var i = 0; i < buffer.length; i += 2) {
crc = crc ^ parseInt(buffer.substr(i, 2), 16);
for (var j = 0; j < 8; j++) {
odd = crc & 0x0001;
crc = crc >> 1;
if (odd) {
crc = crc ^ 0xa001;
}
}
}
return crc;
};
var firmware = document.getElementById("firmware");
var command = document.getElementById("command");
var desc = document.getElementById("desc");
var param = document.getElementById("parameter");
var output = document.getElementById("rawcommand");
var outputBase64 = document.getElementById("base64command");
var firmwareVersions = [];
var verNum = function(v) {
var num = v.match(/^(\d+)\.(\d+)\.(\d+)$/).slice(1).map(x => parseInt(x));
return num[0]*10000 + num[1] * 100 + num[2];
}
Object.keys(COMMANDS).forEach((k) => {
var v = verNum(COMMANDS[k]['min_firmware']);
if (!firmwareVersions.includes(v)) {
firmwareVersions.push(v);
}
});
firmwareVersions.sort((a, b) => {return a == b ? 0 : (a < b ? 1 : -1) });
firmwareVersions.forEach((v) => {
firmware.append(new Option(`${Math.floor(v / 10000)}.${Math.floor(v / 100) % 100}.${v % 100}`, v));
});
var updateCommands = function() {
command.innerHTML = '';
Object.keys(COMMANDS).forEach((k) => {
if (!COMMANDS[k]['advanced']) {
if (verNum(COMMANDS[k]['min_firmware']) <= firmware.value) {
command.append(new Option(COMMANDS[k]["name"], k));
}
}
});
command.append(new Option('--------------', ''));
Object.keys(COMMANDS).forEach((k) => {
if (COMMANDS[k]['advanced']) {
if (verNum(COMMANDS[k]['min_firmware']) <= firmware.value) {
command.append(new Option(COMMANDS[k]["name"], k));
}
}
});
};
var updateCommand = function () {
if (!command.value) {
desc.innerHTML = 'Choose a command.';
return;
}
desc.innerHTML = COMMANDS[command.value]["desc"] + (COMMANDS[command.value]['advanced'] ? ' Advanced setting!' : '');
if (COMMANDS[command.value]["noparam"] === true) {
param.value = "0";
}
if (param.value == "" || command.value == "") {
output.innerHTML = "Set parameter value";
outputBase64.innerHTML = "Set parameter value";
return;
}
var payload =
command.value + ("000" + parseInt(param.value).toString(16)).slice(-4);
var crc = crc16(payload);
var cmd = (payload + ("000" + crc.toString(16)).slice(-4)).toUpperCase();
output.innerHTML = cmd;
var cmdStr = "";
for (var i = 0; i < cmd.length; i += 2) {
cmdStr += String.fromCharCode(parseInt(cmd.substr(i, 2), 16));
}
outputBase64.innerHTML = btoa(cmdStr);
};
param.addEventListener("keydown", (e) => {
// Allow: backspace, delete, tab, escape, enter and .
if (
e.keyCode == 8 ||
e.keyCode == 46 ||
e.keyCode == 9 ||
e.keyCode == 27 ||
e.keyCode == 13 ||
// Allow: Ctrl/cmd+A
(e.keyCode == 65 && (e.ctrlKey === true || e.metaKey === true)) ||
// Allow: Ctrl/cmd+C
(e.keyCode == 67 && (e.ctrlKey === true || e.metaKey === true)) ||
// Allow: Ctrl/cmd+X
(e.keyCode == 88 && (e.ctrlKey === true || e.metaKey === true)) ||
// Allow: home, end, left, right
(e.keyCode >= 35 && e.keyCode <= 39)
) {
// let it happen, don't do anything
return;
}
// Ensure that it is a number and stop the keypress
if (
(e.shiftKey || e.keyCode < 48 || e.keyCode > 57) &&
(e.keyCode < 96 || e.keyCode > 105)
) {
e.preventDefault();
}
});
param.addEventListener("change", updateCommand);
command.addEventListener("change", updateCommand);
firmware.addEventListener("change", updateCommands);
updateCommands();
updateCommand();
</script>
</html>