# Source: wedo2smarthub.js

    "use strict";
    var __importStar = (this && this.__importStar) || function (mod) {
        if (mod && 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 port_1 = require("./port");
    const Consts = __importStar(require("./consts"));
    const Debug = require("debug");
    const utils_1 = require("./utils");
    const debug = Debug("wedo2smarthub");
    /**
     * The WeDo2SmartHub is emitted if the discovered device is a WeDo 2.0 Smart Hub.
     * @class WeDo2SmartHub
     * @extends Hub
     */
    class WeDo2SmartHub extends hub_1.Hub {
        constructor(device, autoSubscribe = true) {
            super(device, autoSubscribe);
            this._lastTiltX = 0;
            this._lastTiltY = 0;
            this.type = Consts.HubType.WEDO2_SMART_HUB;
            this._ports = {
                "A": new port_1.Port("A", 1),
                "B": new port_1.Port("B", 2)
            };
            debug("Discovered WeDo 2.0 Smart Hub");
        }
        static IsWeDo2SmartHub(peripheral) {
            return (peripheral.advertisement &&
                peripheral.advertisement.serviceUuids &&
                peripheral.advertisement.serviceUuids.indexOf(Consts.BLEService.WEDO2_SMART_HUB.replace(/-/g, "")) >= 0);
        }
        connect() {
            return new Promise(async (resolve, reject) => {
                debug("Connecting to WeDo 2.0 Smart Hub");
                await super.connect();
                await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB);
                await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB_2);
                if (!utils_1.isWebBluetooth) {
                    await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB_3);
                    await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB_4);
                    await this._bleDevice.discoverCharacteristicsForService(Consts.BLEService.WEDO2_SMART_HUB_5);
                }
                else {
                    await this._bleDevice.discoverCharacteristicsForService("battery_service");
                    await this._bleDevice.discoverCharacteristicsForService("device_information");
                }
                this._activatePortDevice(0x03, 0x15, 0x00, 0x00); // Activate voltage reports
                this._activatePortDevice(0x04, 0x14, 0x00, 0x00); // Activate current reports
                debug("Connect completed");
                this.emit("connect");
                resolve();
                this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_PORT_TYPE, this._parsePortMessage.bind(this));
                this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_SENSOR_VALUE, this._parseSensorMessage.bind(this));
                this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_BUTTON, this._parseSensorMessage.bind(this));
                if (!utils_1.isWebBluetooth) {
                    this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_BATTERY, this._parseBatteryMessage.bind(this));
                    this._bleDevice.readFromCharacteristic(Consts.BLECharacteristic.WEDO2_BATTERY, (err, data) => {
                        if (data) {
                            this._parseBatteryMessage(data);
                        }
                    });
                }
                else {
                    this._bleDevice.readFromCharacteristic("00002a19-0000-1000-8000-00805f9b34fb", (err, data) => {
                        if (data) {
                            this._parseBatteryMessage(data);
                        }
                    });
                    this._bleDevice.subscribeToCharacteristic("00002a19-0000-1000-8000-00805f9b34fb", this._parseHighCurrentAlert.bind(this));
                }
                this._bleDevice.subscribeToCharacteristic(Consts.BLECharacteristic.WEDO2_HIGH_CURRENT_ALERT, this._parseHighCurrentAlert.bind(this));
                if (!utils_1.isWebBluetooth) {
                    this._bleDevice.readFromCharacteristic(Consts.BLECharacteristic.WEDO2_FIRMWARE_REVISION, (err, data) => {
                        if (data) {
                            this._parseFirmwareRevisionString(data);
                        }
                    });
                }
                else {
                    this._bleDevice.readFromCharacteristic("00002a26-0000-1000-8000-00805f9b34fb", (err, data) => {
                        if (data) {
                            this._parseFirmwareRevisionString(data);
                        }
                    });
                }
            });
        }
        /**
         * Set the name of the Hub.
         * @method WeDo2SmartHub#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) => {
                const data = Buffer.from(name, "ascii");
                // Send this twice, as sometimes the first time doesn't take
                this._writeMessage(Consts.BLECharacteristic.WEDO2_NAME_ID, data);
                this._writeMessage(Consts.BLECharacteristic.WEDO2_NAME_ID, data);
                this._name = name;
                return resolve();
            });
        }
        /**
         * Set the color of the LED on the Hub via a color value.
         * @method WeDo2SmartHub#setLEDColor
         * @param {Color} color
         * @returns {Promise} Resolved upon successful issuance of command.
         */
        setLEDColor(color) {
            return new Promise((resolve, reject) => {
                let data = Buffer.from([0x06, 0x17, 0x01, 0x01]);
                this._writeMessage(Consts.BLECharacteristic.WEDO2_PORT_TYPE_WRITE, data);
                if (typeof color === "boolean") {
                    color = 0;
                }
                data = Buffer.from([0x06, 0x04, 0x01, color]);
                this._writeMessage(Consts.BLECharacteristic.WEDO2_MOTOR_VALUE_WRITE, data);
                return resolve();
            });
        }
        /**
         * Shutdown the Hub.
         * @method WeDo2SmartHub#shutdown
         * @returns {Promise} Resolved upon successful disconnect.
         */
        shutdown() {
            return new Promise((resolve, reject) => {
                this._writeMessage(Consts.BLECharacteristic.WEDO2_DISCONNECT, Buffer.from([0x00]), () => {
                    return resolve();
                });
            });
        }
        /**
         * Set the color of the LED on the Hub via RGB values.
         * @method WeDo2SmartHub#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([0x06, 0x17, 0x01, 0x02]);
                this._writeMessage(Consts.BLECharacteristic.WEDO2_PORT_TYPE_WRITE, data);
                data = Buffer.from([0x06, 0x04, 0x03, red, green, blue]);
                this._writeMessage(Consts.BLECharacteristic.WEDO2_MOTOR_VALUE_WRITE, data);
                return resolve();
            });
        }
        /**
         * Set the motor speed on a given port.
         * @method WeDo2SmartHub#setMotorSpeed
         * @param {string} port
         * @param {number} speed For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0.
         * @param {number} [time] How long to activate the motor for (in milliseconds). Leave empty to turn the motor on indefinitely.
         * @returns {Promise} Resolved upon successful completion of command. If time is specified, this is once the motor is finished.
         */
        setMotorSpeed(port, speed, time) {
            const portObj = this._portLookup(port);
            let cancelEventTimer = true;
            if (typeof time === "boolean") {
                if (time === true) {
                    cancelEventTimer = false;
                }
                time = undefined;
            }
            if (cancelEventTimer) {
                portObj.cancelEventTimer();
            }
            return new Promise((resolve, reject) => {
                this._writeMessage(Consts.BLECharacteristic.WEDO2_MOTOR_VALUE_WRITE, Buffer.from([portObj.value, 0x01, 0x02, this._mapSpeed(speed)]));
                if (time && typeof time === "number") {
                    const timeout = global.setTimeout(() => {
                        this._writeMessage(Consts.BLECharacteristic.WEDO2_MOTOR_VALUE_WRITE, Buffer.from([portObj.value, 0x01, 0x02, 0x00]));
                        return resolve();
                    }, time);
                    portObj.setEventTimer(timeout);
                }
                else {
                    return resolve();
                }
            });
        }
        /**
         * Ramp the motor speed on a given port.
         * @method WeDo2SmartHub#rampMotorSpeed
         * @param {string} port
         * @param {number} fromSpeed For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0.
         * @param {number} toSpeed For forward, a value between 1 - 100 should be set. For reverse, a value between -1 to -100. Stop is 0.
         * @param {number} time How long the ramp should last (in milliseconds).
         * @returns {Promise} Resolved upon successful completion of command.
         */
        rampMotorSpeed(port, fromSpeed, toSpeed, time) {
            const portObj = this._portLookup(port);
            portObj.cancelEventTimer();
            return new Promise((resolve, reject) => {
                this._calculateRamp(fromSpeed, toSpeed, time, portObj)
                    .on("changeSpeed", (speed) => {
                    this.setMotorSpeed(port, speed, true);
                })
                    .on("finished", resolve);
            });
        }
        /**
         * Fully (hard) stop the motor on a given port.
         * @method WeDo2SmartHub#brakeMotor
         * @param {string} port
         * @returns {Promise} Resolved upon successful completion of command.
         */
        brakeMotor(port) {
            return this.setMotorSpeed(port, 127);
        }
        /**
         * Play a tone on the Hub's in-built buzzer
         * @method WeDo2SmartHub#playTone
         * @param {number} frequency
         * @param {number} time How long the tone should play for (in milliseconds).
         * @returns {Promise} Resolved upon successful completion of command (ie. once the tone has finished playing).
         */
        playTone(frequency, time) {
            return new Promise((resolve, reject) => {
                const data = Buffer.from([0x05, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00]);
                data.writeUInt16LE(frequency, 3);
                data.writeUInt16LE(time, 5);
                this._writeMessage(Consts.BLECharacteristic.WEDO2_MOTOR_VALUE_WRITE, data);
                global.setTimeout(resolve, time);
            });
        }
        /**
         * Set the light brightness on a given port.
         * @method WeDo2SmartHub#setLightBrightness
         * @param {string} port
         * @param {number} brightness Brightness value between 0-100 (0 is off)
         * @param {number} [time] How long to turn the light on (in milliseconds). Leave empty to turn the light on indefinitely.
         * @returns {Promise} Resolved upon successful completion of command. If time is specified, this is once the light is turned off.
         */
        setLightBrightness(port, brightness, time) {
            const portObj = this._portLookup(port);
            portObj.cancelEventTimer();
            return new Promise((resolve, reject) => {
                const data = Buffer.from([portObj.value, 0x01, 0x02, brightness]);
                this._writeMessage(Consts.BLECharacteristic.WEDO2_MOTOR_VALUE_WRITE, data);
                if (time) {
                    const timeout = global.setTimeout(() => {
                        const data = Buffer.from([portObj.value, 0x01, 0x02, 0x00]);
                        this._writeMessage(Consts.BLECharacteristic.WEDO2_MOTOR_VALUE_WRITE, data);
                        return resolve();
                    }, time);
                    portObj.setEventTimer(timeout);
                }
                else {
                    return resolve();
                }
            });
        }
        sendRaw(message, characteristic = Consts.BLECharacteristic.WEDO2_MOTOR_VALUE_WRITE) {
            return new Promise((resolve, reject) => {
                this._writeMessage(characteristic, message, () => {
                    return resolve();
                });
            });
        }
        _activatePortDevice(port, type, mode, format, callback) {
            this._writeMessage(Consts.BLECharacteristic.WEDO2_PORT_TYPE_WRITE, Buffer.from([0x01, 0x02, port, type, mode, 0x01, 0x00, 0x00, 0x00, format, 0x01]), callback);
        }
        _deactivatePortDevice(port, type, mode, format, callback) {
            this._writeMessage(Consts.BLECharacteristic.WEDO2_PORT_TYPE_WRITE, Buffer.from([0x01, 0x02, port, type, mode, 0x01, 0x00, 0x00, 0x00, format, 0x00]), callback);
        }
        _writeMessage(uuid, message, callback) {
            if (debug.enabled) {
                debug(`Sent Message (${this._getCharacteristicNameFromUUID(uuid)})`, message);
            }
            this._bleDevice.writeToCharacteristic(uuid, message, callback);
        }
        _getCharacteristicNameFromUUID(uuid) {
            const keys = Object.keys(Consts.BLECharacteristic);
            for (let i = 0; i < keys.length; i++) {
                const key = keys[i];
                if (Consts.BLECharacteristic[key] === uuid) {
                    return key;
                }
            }
            return "UNKNOWN";
        }
        _parseHighCurrentAlert(data) {
            debug("Received Message (WEDO2_HIGH_CURRENT_ALERT)", data);
        }
        _parseBatteryMessage(data) {
            debug("Received Message (WEDO2_BATTERY)", data);
            this._batteryLevel = data[0];
        }
        _parseFirmwareRevisionString(data) {
            debug("Received Message (WEDO2_FIRMWARE_REVISION)", data);
            const parts = data.toString().split(".");
            this._firmwareInfo = { major: parseInt(parts[0], 10), minor: parseInt(parts[1], 10), bugFix: parseInt(parts[2], 10), build: parseInt(parts[3], 10) };
        }
        _parsePortMessage(data) {
            debug("Received Message (WEDO2_PORT_TYPE)", data);
            const port = this._getPortForPortNumber(data[0]);
            if (!port) {
                return;
            }
            port.connected = data[1] === 1 ? true : false;
            this._registerDeviceAttachment(port, data[3]);
        }
        _parseSensorMessage(data) {
            debug("Received Message (WEDO2_SENSOR_VALUE)", data);
            if (data[0] === 0x01) {
                /**
                 * Emits when a button is pressed.
                 * @event WeDo2SmartHub#button
                 * @param {string} button
                 * @param {ButtonState} state
                 */
                this.emit("button", "GREEN", Consts.ButtonState.PRESSED);
                return;
            }
            else if (data[0] === 0x00) {
                this.emit("button", "GREEN", Consts.ButtonState.RELEASED);
                return;
            }
            // Voltage
            if (data[1] === 0x03) {
                const voltage = data.readInt16LE(2);
                this._voltage = voltage / 40;
                // Current
            }
            else if (data[1] === 0x04) {
                const current = data.readInt16LE(2);
                this._current = current / 1000;
            }
            const port = this._getPortForPortNumber(data[1]);
            if (!port) {
                return;
            }
            if (port && port.connected) {
                switch (port.type) {
                    case Consts.DeviceType.WEDO2_DISTANCE: {
                        let distance = data[2];
                        if (data[3] === 1) {
                            distance = data[2] + 255;
                        }
                        /**
                         * Emits when a distance sensor is activated.
                         * @event WeDo2SmartHub#distance
                         * @param {string} port
                         * @param {number} distance Distance, in millimeters.
                         */
                        this.emit("distance", port.id, distance * 10);
                        break;
                    }
                    case Consts.DeviceType.BOOST_DISTANCE: {
                        const distance = data[2];
                        /**
                         * Emits when a color sensor is activated.
                         * @event WeDo2SmartHub#color
                         * @param {string} port
                         * @param {Color} color
                         */
                        this.emit("color", port.id, distance);
                        break;
                    }
                    case Consts.DeviceType.WEDO2_TILT: {
                        this._lastTiltX = data[2];
                        if (this._lastTiltX > 100) {
                            this._lastTiltX = -(255 - this._lastTiltX);
                        }
                        this._lastTiltY = data[3];
                        if (this._lastTiltY > 100) {
                            this._lastTiltY = -(255 - this._lastTiltY);
                        }
                        /**
                         * Emits when a tilt sensor is activated.
                         * @event WeDo2SmartHub#tilt
                         * @param {string} port
                         * @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(2);
                        /**
                         * Emits when a rotation sensor is activated.
                         * @event WeDo2SmartHub#rotate
                         * @param {string} port
                         * @param {number} rotation
                         */
                        this.emit("rotate", port.id, rotation);
                        break;
                    }
                    case Consts.DeviceType.CONTROL_PLUS_LARGE_MOTOR: {
                        const rotation = data.readInt32LE(2);
                        this.emit("rotate", port.id, rotation);
                        break;
                    }
                    case Consts.DeviceType.CONTROL_PLUS_XLARGE_MOTOR: {
                        const rotation = data.readInt32LE(2);
                        this.emit("rotate", port.id, rotation);
                        break;
                    }
                }
            }
        }
    }
    exports.WeDo2SmartHub = WeDo2SmartHub;
    //# sourceMappingURL=wedo2smarthub.js.map

#### Search results