node-poweredup/docs/lpf2hub.js.html
2019-01-18 16:11:55 -08:00

432 lines
19 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Source: lpf2hub.js</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>
<body>
<div id="main">
<h1 class="page-title">Source: lpf2hub.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>"use strict";
var __importStar = (this &amp;&amp; this.__importStar) || function (mod) {
if (mod &amp;&amp; mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const hub_1 = require("./hub");
const Consts = __importStar(require("./consts"));
const Debug = require("debug");
const debug = Debug("lpf2hub");
/**
* @class LPF2Hub
* @extends Hub
*/
class LPF2Hub extends hub_1.Hub {
constructor() {
super(...arguments);
this._voltage = 0;
this._current = 0;
this._lastTiltX = 0;
this._lastTiltY = 0;
this._messageBuffer = Buffer.alloc(0);
}
/**
* @readonly
* @property {number} voltage Voltage of the hub (Volts)
*/
get voltage() {
return this._voltage;
}
/**
* @readonly
* @property {number} current Current usage of the hub (Amps)
*/
get current() {
return this._current;
}
connect() {
return new Promise(async (resolve, reject) => {
await super.connect();
const characteristic = this._getCharacteristic(Consts.BLECharacteristic.LPF2_ALL);
this._subscribeToCharacteristic(characteristic, this._parseMessage.bind(this));
setTimeout(() => {
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x02, 0x02])); // Activate button reports
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x03, 0x05])); // Request firmware version
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x06, 0x02])); // Activate battery level reports
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, 0x3b, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01])); // Activate current reports
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, 0x3c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01])); // Activate voltage reports
if (this.type === Consts.HubType.DUPLO_TRAIN_HUB) {
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x01]));
}
}, 1000);
return resolve();
});
}
/**
* Set the name of the Hub.
* @method LPF2Hub#setName
* @param {string} name New name of the hub (14 characters or less, ASCII only).
* @returns {Promise} Resolved upon successful issuance of command.
*/
setName(name) {
if (name.length > 14) {
throw new Error("Name must be 14 characters or less");
}
return new Promise((resolve, reject) => {
let data = Buffer.from([0x01, 0x01, 0x01]);
data = Buffer.concat([data, Buffer.from(name, "ascii")]);
// Send this twice, as sometimes the first time doesn't take
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
this._name = name;
return resolve();
});
}
/**
* Set the color of the LED on the Hub via a color value.
* @method LPF2Hub#setLEDColor
* @param {Color} color
* @returns {Promise} Resolved upon successful issuance of command.
*/
setLEDColor(color) {
return new Promise((resolve, reject) => {
let data = Buffer.from([0x41, 0x32, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00]);
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
if (color === false) {
color = 0;
}
data = Buffer.from([0x81, 0x32, 0x11, 0x51, 0x00, color]);
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
return resolve();
});
}
/**
* Set the color of the LED on the Hub via RGB values.
* @method LPF2Hub#setLEDRGB
* @param {number} red
* @param {number} green
* @param {number} blue
* @returns {Promise} Resolved upon successful issuance of command.
*/
setLEDRGB(red, green, blue) {
return new Promise((resolve, reject) => {
let data = Buffer.from([0x41, 0x32, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00]);
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
data = Buffer.from([0x81, 0x32, 0x11, 0x51, 0x01, red, green, blue]);
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
return resolve();
});
}
sendRaw(message) {
return new Promise((resolve, reject) => {
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, message, () => {
return resolve();
});
});
}
_activatePortDevice(port, type, mode, format, callback) {
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, port, mode, 0x01, 0x00, 0x00, 0x00, 0x01]), callback);
}
_deactivatePortDevice(port, type, mode, format, callback) {
this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, port, mode, 0x01, 0x00, 0x00, 0x00, 0x00]), callback);
}
_writeMessage(uuid, message, callback) {
const characteristic = this._getCharacteristic(uuid);
if (characteristic) {
message = Buffer.concat([Buffer.alloc(2), message]);
message[0] = message.length;
characteristic.write(message, false, callback);
}
}
_parseMessage(data) {
if (data) {
this._messageBuffer = Buffer.concat([this._messageBuffer, data]);
}
if (this._messageBuffer.length &lt;= 0) {
return;
}
const len = this._messageBuffer[0];
if (len >= this._messageBuffer.length) {
const message = this._messageBuffer.slice(0, len);
this._messageBuffer = this._messageBuffer.slice(len);
switch (message[2]) {
case 0x01: {
this._parseDeviceInfo(message);
break;
}
case 0x04: {
this._parsePortMessage(message);
break;
}
case 0x45: {
this._parseSensorMessage(message);
break;
}
case 0x82: {
this._parsePortAction(message);
break;
}
}
if (this._messageBuffer.length > 0) {
this._parseMessage();
}
}
}
_parseDeviceInfo(data) {
// Button press reports
if (data[3] === 0x02) {
if (data[5] === 1) {
/**
* Emits when a button is pressed.
* @event LPF2Hub#button
* @param {string} button
* @param {ButtonState} state
*/
this.emit("button", "GREEN", Consts.ButtonState.PRESSED);
return;
}
else if (data[5] === 0) {
this.emit("button", "GREEN", Consts.ButtonState.RELEASED);
return;
}
// Firmware version
}
else if (data[3] === 0x03) {
const build = data.readUInt16LE(5);
const bugFix = data.readUInt8(7);
const major = data.readUInt8(8) >>> 4;
const minor = data.readUInt8(8) &amp; 0xf;
this._firmwareInfo = { major, minor, bugFix, build };
// Battery level reports
}
else if (data[3] === 0x06) {
this._batteryLevel = data[5];
}
}
_parsePortMessage(data) {
const port = this._getPortForPortNumber(data[3]);
if (!port) {
return;
}
port.connected = (data[4] === 1 || data[4] === 2) ? true : false;
this._registerDeviceAttachment(port, data[5]);
}
_parsePortAction(data) {
const port = this._getPortForPortNumber(data[3]);
if (!port) {
return;
}
if (data[4] === 0x0a) {
port.busy = false;
if (port.finished) {
port.finished();
port.finished = null;
}
}
}
_padMessage(data, len) {
if (data.length &lt; len) {
data = Buffer.concat([data, Buffer.alloc(len - data.length)]);
}
return data;
}
_parseSensorMessage(data) {
if ((data[3] === 0x3b &amp;&amp; this.type === Consts.HubType.POWERED_UP_REMOTE)) { // Voltage (PUP Remote)
data = this._padMessage(data, 6);
const voltage = data.readUInt16LE(4) / 500;
this._voltage = Math.floor(voltage);
return;
}
else if (data[3] === 0x3c &amp;&amp; this.type === Consts.HubType.POWERED_UP_REMOTE) { // Current (PUP Remote)
data = this._padMessage(data, 6);
const current = data.readUInt16LE(4) / 1000;
this._current = current;
return;
}
else if (data[3] === 0x3c &amp;&amp; this.type !== Consts.HubType.POWERED_UP_REMOTE) { // Voltage (Non-PUP Remote)
data = this._padMessage(data, 6);
const voltage = data.readUInt16LE(4) / 400;
this._voltage = Math.floor(voltage);
return;
}
else if (data[3] === 0x3b &amp;&amp; this.type !== Consts.HubType.POWERED_UP_REMOTE) { // Current (Non-PUP Remote)
data = this._padMessage(data, 6);
const current = data.readUInt16LE(4) / 4096;
this._current = current * 100;
return;
}
const port = this._getPortForPortNumber(data[3]);
if (!port) {
return;
}
if (port &amp;&amp; port.connected) {
switch (port.type) {
case Consts.DeviceType.WEDO2_DISTANCE: {
let distance = data[4];
if (data[5] === 1) {
distance = data[4] + 255;
}
/**
* Emits when a distance sensor is activated.
* @event LPF2Hub#distance
* @param {string} port
* @param {number} distance Distance, in millimeters.
*/
this.emit("distance", port.id, distance * 10);
break;
}
case Consts.DeviceType.BOOST_DISTANCE: {
/**
* Emits when a color sensor is activated.
* @event LPF2Hub#color
* @param {string} port
* @param {Color} color
*/
if (data[4] &lt;= 10) {
this.emit("color", port.id, data[4]);
}
let distance = data[5];
const partial = data[7];
if (partial > 0) {
distance += 1.0 / partial;
}
distance = Math.floor(distance * 25.4) - 20;
this.emit("distance", port.id, distance);
/**
* A combined color and distance event, emits when the sensor is activated.
* @event LPF2Hub#colorAndDistance
* @param {string} port
* @param {Color} color
* @param {number} distance Distance, in millimeters.
*/
if (data[4] &lt;= 10) {
this.emit("colorAndDistance", port.id, data[4], distance);
}
break;
}
case Consts.DeviceType.WEDO2_TILT: {
const tiltX = data[4] > 160 ? data[4] - 255 : data[4] - (data[4] * 2);
const tiltY = data[5] > 160 ? 255 - data[5] : data[5] - (data[5] * 2);
this._lastTiltX = tiltX;
this._lastTiltY = tiltY;
/**
* Emits when a tilt sensor is activated.
* @event LPF2Hub#tilt
* @param {string} port If the event is fired from the Move Hub's in-built tilt sensor, the special port "TILT" is used.
* @param {number} x
* @param {number} y
*/
this.emit("tilt", port.id, this._lastTiltX, this._lastTiltY);
break;
}
case Consts.DeviceType.BOOST_TACHO_MOTOR: {
const rotation = data.readInt32LE(4);
/**
* Emits when a rotation sensor is activated.
* @event LPF2Hub#rotate
* @param {string} port
* @param {number} rotation
*/
this.emit("rotate", port.id, rotation);
break;
}
case Consts.DeviceType.BOOST_MOVE_HUB_MOTOR: {
const rotation = data.readInt32LE(4);
this.emit("rotate", port.id, rotation);
break;
}
case Consts.DeviceType.BOOST_TILT: {
const tiltX = data[4] > 160 ? data[4] - 255 : data[4];
const tiltY = data[5] > 160 ? 255 - data[5] : data[5] - (data[5] * 2);
this.emit("tilt", port.id, tiltX, tiltY);
break;
}
case Consts.DeviceType.POWERED_UP_REMOTE_BUTTON: {
switch (data[4]) {
case 0x01: {
this.emit("button", port.id, Consts.ButtonState.UP);
break;
}
case 0xff: {
this.emit("button", port.id, Consts.ButtonState.DOWN);
break;
}
case 0x7f: {
this.emit("button", port.id, Consts.ButtonState.STOP);
break;
}
case 0x00: {
this.emit("button", port.id, Consts.ButtonState.RELEASED);
break;
}
}
break;
}
case Consts.DeviceType.DUPLO_TRAIN_BASE_COLOR: {
if (data[4] &lt;= 10) {
this.emit("color", port.id, data[4]);
}
break;
}
case Consts.DeviceType.DUPLO_TRAIN_BASE_SPEEDOMETER: {
/**
* Emits on a speed change.
* @event LPF2Hub#speed
* @param {string} port
* @param {number} speed
*/
const speed = data.readInt16LE(4);
this.emit("speed", port.id, speed);
break;
}
}
}
}
}
exports.LPF2Hub = LPF2Hub;
</code></pre>
</article>
</section>
</div>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="BoostMoveHub.html">BoostMoveHub</a></li><li><a href="DuploTrainBase.html">DuploTrainBase</a></li><li><a href="Hub.html">Hub</a></li><li><a href="LPF2Hub.html">LPF2Hub</a></li><li><a href="PoweredUP.html">PoweredUP</a></li><li><a href="PUPHub.html">PUPHub</a></li><li><a href="PUPRemote.html">PUPRemote</a></li><li><a href="WeDo2SmartHub.html">WeDo2SmartHub</a></li></ul><h3>Events</h3><ul><li><a href="BoostMoveHub.html#event:attach">attach</a></li><li><a href="BoostMoveHub.html#event:button">button</a></li><li><a href="BoostMoveHub.html#event:color">color</a></li><li><a href="BoostMoveHub.html#event:colorAndDistance">colorAndDistance</a></li><li><a href="BoostMoveHub.html#event:detach">detach</a></li><li><a href="BoostMoveHub.html#event:distance">distance</a></li><li><a href="BoostMoveHub.html#event:rotate">rotate</a></li><li><a href="BoostMoveHub.html#event:tilt">tilt</a></li><li><a href="DuploTrainBase.html#event:color">color</a></li><li><a href="DuploTrainBase.html#event:speed">speed</a></li><li><a href="Hub.html#event:attach">attach</a></li><li><a href="Hub.html#event:detach">detach</a></li><li><a href="LPF2Hub.html#event:attach">attach</a></li><li><a href="LPF2Hub.html#event:button">button</a></li><li><a href="LPF2Hub.html#event:color">color</a></li><li><a href="LPF2Hub.html#event:colorAndDistance">colorAndDistance</a></li><li><a href="LPF2Hub.html#event:detach">detach</a></li><li><a href="LPF2Hub.html#event:distance">distance</a></li><li><a href="LPF2Hub.html#event:rotate">rotate</a></li><li><a href="LPF2Hub.html#event:speed">speed</a></li><li><a href="LPF2Hub.html#event:tilt">tilt</a></li><li><a href="PoweredUP.html#event:discover">discover</a></li><li><a href="PUPHub.html#event:attach">attach</a></li><li><a href="PUPHub.html#event:button">button</a></li><li><a href="PUPHub.html#event:color">color</a></li><li><a href="PUPHub.html#event:colorAndDistance">colorAndDistance</a></li><li><a href="PUPHub.html#event:detach">detach</a></li><li><a href="PUPHub.html#event:distance">distance</a></li><li><a href="PUPHub.html#event:tilt">tilt</a></li><li><a href="PUPRemote.html#event:button">button</a></li><li><a href="PUPRemote.html#event:colorAndDistance">colorAndDistance</a></li><li><a href="WeDo2SmartHub.html#event:attach">attach</a></li><li><a href="WeDo2SmartHub.html#event:button">button</a></li><li><a href="WeDo2SmartHub.html#event:color">color</a></li><li><a href="WeDo2SmartHub.html#event:detach">detach</a></li><li><a href="WeDo2SmartHub.html#event:distance">distance</a></li><li><a href="WeDo2SmartHub.html#event:rotate">rotate</a></li><li><a href="WeDo2SmartHub.html#event:tilt">tilt</a></li></ul><h3><a href="global.html">Global</a></h3>
</nav>
<br class="clear">
<footer>
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Jan 18 2019 16:10:38 GMT-0800 (Pacific Standard Time)
</footer>
<script> prettyPrint(); </script>
<script src="scripts/linenumber.js"> </script>
</body>
</html>