613 lines
24 KiB
TypeScript
613 lines
24 KiB
TypeScript
import { Peripheral } from "@abandonware/noble";
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import { Hub } from "./hub";
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import { Port } from "./port";
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import * as Consts from "./consts";
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import { toBin, toHex } from "./utils";
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import Debug = require("debug");
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const debug = Debug("lpf2hub");
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const modeInfoDebug = Debug("lpf2hubmodeinfo");
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/**
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* @class LPF2Hub
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* @extends Hub
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*/
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export class LPF2Hub extends Hub {
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private static decodeVersion(v: number) {
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const t = v.toString(16).padStart(8, "0");
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return [t[0], t[1], t.substring(2, 4), t.substring(4)].join(".");
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}
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private static decodeMACAddress(v: Uint8Array) {
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return Array.from(v).map((n) => toHex(n, 2)).join(":");
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}
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protected _ledPort: number = 0x32;
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protected _voltagePort: number | undefined;
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protected _voltageMaxV: number = 9.6;
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protected _voltageMaxRaw: number = 3893;
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protected _currentPort: number | undefined;
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protected _currentMaxMA: number = 2444;
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protected _currentMaxRaw: number = 4095;
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private _lastTiltX: number = 0;
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private _lastTiltY: number = 0;
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private _lastTiltZ: number = 0;
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private _messageBuffer: Buffer = Buffer.alloc(0);
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public connect () {
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return new Promise(async (resolve, reject) => {
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await super.connect();
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await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.LPF2_HUB);
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this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.LPF2_ALL, this._parseMessage.bind(this));
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x02, 0x02])); // Activate button reports
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x03, 0x05])); // Request firmware version
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x04, 0x05])); // Request hardware version
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x06, 0x02])); // Activate battery level reports
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x0d, 0x05])); // Request primary MAC address
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if (this._voltagePort !== undefined) {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, this._voltagePort, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01])); // Activate voltage reports
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}
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if (this._currentPort !== undefined) {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, this._currentPort, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01])); // Activate current reports
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}
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if (this.type === Consts.HubType.DUPLO_TRAIN_HUB) {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x01]));
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}
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setTimeout(() => {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x03, 0x05])); // Request firmware version again
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x01, 0x04, 0x05])); // Request firmware version again
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this.emit("connect");
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resolve();
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}, 200);
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});
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}
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/**
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* Shutdown the Hub.
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* @method LPF2Hub#shutdown
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* @returns {Promise} Resolved upon successful disconnect.
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*/
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public shutdown () {
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return new Promise((resolve, reject) => {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x02, 0x01]), () => {
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return resolve();
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});
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});
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}
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/**
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* Set the name of the Hub.
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* @method LPF2Hub#setName
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* @param {string} name New name of the hub (14 characters or less, ASCII only).
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* @returns {Promise} Resolved upon successful issuance of command.
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*/
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public setName (name: string) {
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if (name.length > 14) {
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throw new Error("Name must be 14 characters or less");
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}
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return new Promise((resolve, reject) => {
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let data = Buffer.from([0x01, 0x01, 0x01]);
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data = Buffer.concat([data, Buffer.from(name, "ascii")]);
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// Send this twice, as sometimes the first time doesn't take
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
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this._name = name;
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return resolve();
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});
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}
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/**
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* Set the color of the LED on the Hub via a color value.
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* @method LPF2Hub#setLEDColor
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* @param {Color} color
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* @returns {Promise} Resolved upon successful issuance of command.
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*/
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public setLEDColor (color: number | boolean) {
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return new Promise((resolve, reject) => {
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let data = Buffer.from([0x41, this._ledPort, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00]);
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
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if (typeof color === "boolean") {
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color = 0;
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}
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data = Buffer.from([0x81, this._ledPort, 0x11, 0x51, 0x00, color]);
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
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return resolve();
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});
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}
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/**
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* Set the color of the LED on the Hub via RGB values.
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* @method LPF2Hub#setLEDRGB
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* @param {number} red
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* @param {number} green
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* @param {number} blue
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* @returns {Promise} Resolved upon successful issuance of command.
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*/
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public setLEDRGB (red: number, green: number, blue: number) {
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return new Promise((resolve, reject) => {
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let data = Buffer.from([0x41, this._ledPort, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00]);
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
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data = Buffer.from([0x81, this._ledPort, 0x11, 0x51, 0x01, red, green, blue]);
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, data);
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return resolve();
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});
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}
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public sendRaw (message: Buffer) {
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return new Promise((resolve, reject) => {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, message, () => {
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return resolve();
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});
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});
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}
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protected _activatePortDevice (port: number, type: number, mode: number, format: number, callback?: () => void) {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, port, mode, 0x01, 0x00, 0x00, 0x00, 0x01]), callback);
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}
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protected _deactivatePortDevice (port: number, type: number, mode: number, format: number, callback?: () => void) {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x41, port, mode, 0x01, 0x00, 0x00, 0x00, 0x00]), callback);
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}
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protected _writeMessage (uuid: string, message: Buffer, callback?: () => void) {
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message = Buffer.concat([Buffer.alloc(2), message]);
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message[0] = message.length;
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debug("Sent Message (LPF2_ALL)", message);
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this._bleDevice.writeToCharacteristic(uuid, message, callback);
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}
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protected _combinePorts (port: string, type: number) {
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if (!this._ports[port]) {
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return;
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}
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const portObj = this._portLookup(port);
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if (portObj) {
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Object.keys(this._ports).forEach((id) => {
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if (this._ports[id].type === type && this._ports[id].value !== portObj.value && !this._virtualPorts[`${portObj.value < this._ports[id].value ? portObj.id : this._ports[id].id}${portObj.value > this._ports[id].value ? portObj.id : this._ports[id].id}`]) {
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debug("Combining ports", portObj.value < this._ports[id].value ? portObj.id : id, portObj.value > this._ports[id].value ? portObj.id : id);
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x61, 0x01, portObj.value < this._ports[id].value ? portObj.value : this._ports[id].value, portObj.value > this._ports[id].value ? portObj.value : this._ports[id].value]));
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}
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});
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}
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}
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protected _checkFirmware (version: string) {
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return;
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}
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private _parseMessage (data?: Buffer) {
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if (data) {
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this._messageBuffer = Buffer.concat([this._messageBuffer, data]);
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}
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if (this._messageBuffer.length <= 0) {
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return;
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}
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const len = this._messageBuffer[0];
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if (len >= this._messageBuffer.length) {
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const message = this._messageBuffer.slice(0, len);
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this._messageBuffer = this._messageBuffer.slice(len);
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debug("Received Message (LPF2_ALL)", message);
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switch (message[2]) {
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case 0x01: {
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this._parseDeviceInfo(message);
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break;
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}
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case 0x04: {
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this._parsePortMessage(message);
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break;
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}
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case 0x43: {
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this._parsePortInformationResponse(message);
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break;
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}
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case 0x44: {
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this._parseModeInformationResponse(message);
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break;
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}
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case 0x45: {
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this._parseSensorMessage(message);
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break;
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}
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case 0x82: {
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this._parsePortAction(message);
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break;
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}
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}
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if (this._messageBuffer.length > 0) {
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this._parseMessage();
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}
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}
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}
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private _parseDeviceInfo (data: Buffer) {
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// Button press reports
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if (data[3] === 0x02) {
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if (data[5] === 1) {
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/**
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* Emits when a button is pressed.
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* @event LPF2Hub#button
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* @param {string} button
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* @param {ButtonState} state
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*/
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this.emit("button", "GREEN", Consts.ButtonState.PRESSED);
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return;
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} else if (data[5] === 0) {
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this.emit("button", "GREEN", Consts.ButtonState.RELEASED);
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return;
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}
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// Firmware version
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} else if (data[3] === 0x03) {
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this._firmwareVersion = LPF2Hub.decodeVersion(data.readInt32LE(5));
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this._checkFirmware(this._firmwareVersion);
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// Hardware version
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} else if (data[3] === 0x04) {
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this._hardwareVersion = LPF2Hub.decodeVersion(data.readInt32LE(5));
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// primary MAC Address
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} else if (data[3] === 0x0d) {
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this._primaryMACAddress = LPF2Hub.decodeMACAddress(data.slice(4, 10));
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// Battery level reports
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} else if (data[3] === 0x06) {
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this._batteryLevel = data[5];
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}
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}
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private _parsePortMessage (data: Buffer) {
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let port = this._getPortForPortNumber(data[3]);
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const type = data[4] ? data.readUInt16LE(5) : 0;
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if (data[4] === 0x01 && modeInfoDebug.enabled) {
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const typeName = Consts.DeviceTypeNames[data[5]] || "unknown";
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modeInfoDebug(`Port ${toHex(data[3])}, type ${toHex(type, 4)} (${typeName})`);
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const hwVersion = LPF2Hub.decodeVersion(data.readInt32LE(7));
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const swVersion = LPF2Hub.decodeVersion(data.readInt32LE(11));
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modeInfoDebug(`Port ${toHex(data[3])}, hardware version ${hwVersion}, software version ${swVersion}`);
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this._sendPortInformationRequest(data[3]);
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}
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if (!port) {
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if (data[4] === 0x02) {
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const portA = this._getPortForPortNumber(data[7]);
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const portB = this._getPortForPortNumber(data[8]);
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if (portA && portB) {
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this._virtualPorts[`${portA.id}${portB.id}`] = new Port(`${portA.id}${portB.id}`, data[3]);
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port = this._getPortForPortNumber(data[3]);
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if (port) {
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port.connected = true;
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this._registerDeviceAttachment(port, type);
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} else {
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return;
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}
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} else {
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return;
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}
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} else {
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return;
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}
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} else {
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port.connected = (data[4] === 0x01 || data[4] === 0x02) ? true : false;
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this._registerDeviceAttachment(port, type);
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}
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}
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private _sendPortInformationRequest (port: number) {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x21, port, 0x01]));
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x21, port, 0x02])); // Mode combinations
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}
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private _parsePortInformationResponse (data: Buffer) {
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const port = data[3];
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if (data[4] === 2) {
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const modeCombinationMasks: number[] = [];
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for (let i = 5; i < data.length; i += 2) {
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modeCombinationMasks.push(data.readUInt16LE(i));
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}
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modeInfoDebug(`Port ${toHex(port)}, mode combinations [${modeCombinationMasks.map((c) => toBin(c, 0)).join(", ")}]`);
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return;
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}
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const count = data[6];
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const input = toBin(data.readUInt16LE(7), count);
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const output = toBin(data.readUInt16LE(9), count);
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modeInfoDebug(`Port ${toHex(port)}, total modes ${count}, input modes ${input}, output modes ${output}`);
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for (let i = 0; i < count; i++) {
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this._sendModeInformationRequest(port, i, 0x00); // Mode Name
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this._sendModeInformationRequest(port, i, 0x01); // RAW Range
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this._sendModeInformationRequest(port, i, 0x02); // PCT Range
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this._sendModeInformationRequest(port, i, 0x03); // SI Range
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this._sendModeInformationRequest(port, i, 0x04); // SI Symbol
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this._sendModeInformationRequest(port, i, 0x80); // Value Format
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}
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}
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private _sendModeInformationRequest (port: number, mode: number, type: number) {
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this._writeMessage(Consts.BLECharacteristic.LPF2_ALL, Buffer.from([0x22, port, mode, type]));
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}
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private _parseModeInformationResponse (data: Buffer) {
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const port = toHex(data[3]);
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const mode = data[4];
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const type = data[5];
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switch (type) {
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case 0x00: // Mode Name
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modeInfoDebug(`Port ${port}, mode ${mode}, name ${data.slice(6, data.length).toString()}`);
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break;
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case 0x01: // RAW Range
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modeInfoDebug(`Port ${port}, mode ${mode}, RAW min ${data.readFloatLE(6)}, max ${data.readFloatLE(10)}`);
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break;
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case 0x02: // PCT Range
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modeInfoDebug(`Port ${port}, mode ${mode}, PCT min ${data.readFloatLE(6)}, max ${data.readFloatLE(10)}`);
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break;
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case 0x03: // SI Range
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modeInfoDebug(`Port ${port}, mode ${mode}, SI min ${data.readFloatLE(6)}, max ${data.readFloatLE(10)}`);
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break;
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case 0x04: // SI Symbol
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modeInfoDebug(`Port ${port}, mode ${mode}, SI symbol ${data.slice(6, data.length).toString()}`);
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break;
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case 0x80: // Value Format
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const numValues = data[6];
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const dataType = ["8bit", "16bit", "32bit", "float"][data[7]];
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const totalFigures = data[8];
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const decimals = data[9];
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modeInfoDebug(`Port ${port}, mode ${mode}, Value ${numValues} x ${dataType}, Decimal format ${totalFigures}.${decimals}`);
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}
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}
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private _parsePortAction (data: Buffer) {
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const port = this._getPortForPortNumber(data[3]);
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if (!port) {
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return;
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}
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if (data[4] === 0x0a) {
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port.busy = false;
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if (port.finished) {
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port.finished();
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port.finished = null;
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}
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}
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}
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private _parseSensorMessage (data: Buffer) {
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if (data[3] === this._voltagePort) {
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const voltageRaw = data.readUInt16LE(4);
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this._voltage = voltageRaw * this._voltageMaxV / this._voltageMaxRaw;
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return;
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} else if (data[3] === this._currentPort) {
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const currentRaw = data.readUInt16LE(4);
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this._current = this._currentMaxMA * currentRaw / this._currentMaxRaw;
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return;
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}
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if ((data[3] === 0x3d && this.type === Consts.HubType.CONTROL_PLUS_HUB)) { // Control+ CPU Temperature
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/**
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* Emits when a change is detected on a temperature sensor. Measured in degrees centigrade.
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* @event LPF2Hub#temp
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* @param {string} port For Control+ Hubs, port will be "CPU" as the sensor reports CPU temperature.
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* @param {number} temp
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*/
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this.emit("temp", "CPU", ((data.readInt16LE(4) / 900) * 90).toFixed(2));
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return;
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}
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const port = this._getPortForPortNumber(data[3]);
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if (!port) {
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return;
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}
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if (port && port.connected) {
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switch (port.type) {
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case Consts.DeviceType.WEDO2_DISTANCE: {
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let distance = data[4];
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if (data[5] === 1) {
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distance = data[4] + 255;
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}
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/**
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* Emits when a distance sensor is activated.
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* @event LPF2Hub#distance
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* @param {string} port
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* @param {number} distance Distance, in millimeters.
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*/
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this.emit("distance", port.id, distance * 10);
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break;
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}
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case Consts.DeviceType.BOOST_DISTANCE: {
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/**
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* Emits when a color sensor is activated.
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* @event LPF2Hub#color
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* @param {string} port
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* @param {Color} color
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*/
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if (data[4] <= 10) {
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this.emit("color", port.id, data[4]);
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}
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let distance = data[5];
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const partial = data[7];
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if (partial > 0) {
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distance += 1.0 / partial;
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}
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distance = Math.floor(distance * 25.4) - 20;
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this.emit("distance", port.id, distance);
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|
|
/**
|
|
* 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] <= 10) {
|
|
this.emit("colorAndDistance", port.id, data[4], distance);
|
|
}
|
|
break;
|
|
}
|
|
case Consts.DeviceType.WEDO2_TILT: {
|
|
const tiltX = data.readInt8(4);
|
|
const tiltY = data.readInt8(5);
|
|
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 or Control+ Hub's in-built tilt sensor, the special port "TILT" is used.
|
|
* @param {number} x
|
|
* @param {number} y
|
|
* @param {number} z (Only available when using a Control+ Hub)
|
|
*/
|
|
this.emit("tilt", port.id, this._lastTiltX, this._lastTiltY, this._lastTiltZ);
|
|
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.CONTROL_PLUS_LARGE_MOTOR: {
|
|
const rotation = data.readInt32LE(4);
|
|
this.emit("rotate", port.id, rotation);
|
|
break;
|
|
}
|
|
case Consts.DeviceType.CONTROL_PLUS_XLARGE_MOTOR: {
|
|
const rotation = data.readInt32LE(4);
|
|
this.emit("rotate", port.id, rotation);
|
|
break;
|
|
}
|
|
case Consts.DeviceType.CONTROL_PLUS_TILT: {
|
|
const tiltZ = data.readInt16LE(4);
|
|
const tiltY = data.readInt16LE(6);
|
|
const tiltX = data.readInt16LE(8);
|
|
this._lastTiltX = tiltX;
|
|
this._lastTiltY = tiltY;
|
|
this._lastTiltZ = tiltZ;
|
|
this.emit("tilt", "TILT", this._lastTiltX, this._lastTiltY, this._lastTiltZ);
|
|
break;
|
|
}
|
|
case Consts.DeviceType.CONTROL_PLUS_ACCELEROMETER: {
|
|
const accelX = Math.round((data.readInt16LE(4) / 28571) * 2000);
|
|
const accelY = Math.round((data.readInt16LE(6) / 28571) * 2000);
|
|
const accelZ = Math.round((data.readInt16LE(8) / 28571) * 2000);
|
|
/**
|
|
* Emits when accelerometer detects movement. Measured in DPS - degrees per second.
|
|
* @event LPF2Hub#accel
|
|
* @param {string} port
|
|
* @param {number} x
|
|
* @param {number} y
|
|
* @param {number} z
|
|
*/
|
|
this.emit("accel", "ACCEL", accelX, accelY, accelZ);
|
|
break;
|
|
}
|
|
case Consts.DeviceType.BOOST_TILT: {
|
|
const tiltX = data.readInt8(4);
|
|
const tiltY = data.readInt8(5);
|
|
this._lastTiltX = tiltX;
|
|
this._lastTiltY = tiltY;
|
|
this.emit("tilt", port.id, this._lastTiltX, this._lastTiltY, this._lastTiltZ);
|
|
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] <= 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
}
|