393 lines
9.9 KiB
JavaScript
393 lines
9.9 KiB
JavaScript
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const util = require("../../utils/util");
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const {
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inArray,
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ab2hex,
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toHex,
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gethms
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} = util
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Page({
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data: {
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devices: [],
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connected: false,
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name: '',
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Mode: "",
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text: "",
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weight: "",
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kcal: "",
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uuid1: "",
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uuid2: "",
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uuid3: "",
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active: "",
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timeList: [],
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deviceId: null,
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serviceId: null
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},
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onLoad: function() {
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let that = this
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that.data.timeList = gethms()
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that.data.time_m = that.data.timeList[0][1].substring(0, 2)
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that.data.time_s = that.data.timeList[1][0].substring(0, 2)
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},
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// 初始化蓝牙模块
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openBluetoothAdapter() {
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wx.openBluetoothAdapter({
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success: (res) => {
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console.log('openBluetoothAdapter success', res)
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wx.showToast({
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title: '蓝牙搜索中',
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icon: "none"
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})
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this.startBluetoothDevicesDiscovery()
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},
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fail: (res) => {
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if (res.errCode === 10001) {
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wx.showToast({
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title: '请打开蓝牙',
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icon: "none"
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})
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}
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}
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})
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},
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// 开始搜寻附近的蓝牙外围设备
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startBluetoothDevicesDiscovery() {
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wx.startBluetoothDevicesDiscovery({
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allowDuplicatesKey: true,
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interval: 200, //上报设备的间隔
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services: [],
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success: (res) => {
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console.log('startBluetoothDevicesDiscovery success', res)
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this.onBluetoothDeviceFound()
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},
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})
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},
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// 停止搜寻附近的蓝牙外围设备
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stopBluetoothDevicesDiscovery() {
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wx.stopBluetoothDevicesDiscovery()
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},
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// 找到新设备的事件
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onBluetoothDeviceFound() {
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wx.onBluetoothDeviceFound((res) => {
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res.devices.forEach(device => {
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if (!device.name && !device.localName) {
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return
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}
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if (device.name.indexOf('YPC') != -1) {
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wx.stopBluetoothDevicesDiscovery()
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const foundDevices = this.data.devices
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const idx = inArray(foundDevices, 'deviceId', device.deviceId)
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const data = {}
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const tempMac = device.name.substring(7, 19)
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device.macAddr = tempMac.substring(0, tempMac.length - 1)
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.replace(/(.{2})(?!$)/g, '$1:') + tempMac.substring(tempMac.length - 1);
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if (idx === -1) {
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data[`devices[${foundDevices.length}]`] = device
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} else {
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data[`devices[${idx}]`] = device
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}
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this.setData(data)
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}
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})
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})
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},
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// 连接低功耗蓝牙设备
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createBLEConnection(e) {
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this._connLoading = true
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wx.showLoading({
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title: '连接中',
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})
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setTimeout(() => {
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if (this._connLoading) {
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this._connLoading = false
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wx.hideLoading()
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}
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}, 6000)
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const ds = e.currentTarget.dataset
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const index = ds.index
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this._device = this.data.devices[index]
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const deviceId = ds.deviceId
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const name = ds.name
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this.mac = ds.mac
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wx.createBLEConnection({
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deviceId,
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success: (res) => {
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this.setData({
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connected: true,
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name,
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deviceId,
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})
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console.log("createBLEConnection:success")
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this.onBLEConnectionStateChange()
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this.getBLEDeviceServices(deviceId)
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},
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fail: res => {
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this._connLoading = false
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wx.hideLoading()
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wx.showToast({
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title: '连接失败',
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icon: 'none'
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})
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}
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})
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},
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//监听蓝牙连接状态
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onBLEConnectionStateChange() {
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wx.onBLEConnectionStateChange((res) => {
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if (!res.connected) {
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setTimeout(() => {
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wx.showToast({
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title: '连接已断开',
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icon: 'none'
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})
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}, 500)
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this.setData({
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devices: [],
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weight: "",
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text: "",
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Mode: "",
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kcal: "",
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})
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}
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})
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},
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// 获取蓝牙设备的 serviceId
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getBLEDeviceServices(deviceId) {
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wx.getBLEDeviceServices({
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deviceId,
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success: (res) => {
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for (let i = 0; i < res.services.length; i++) {
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let service = res.services[i];
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if (service.uuid.indexOf('FFE0') > -1) {
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this.data.serviceId = service.uuid
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this.data.deviceId = deviceId
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this.getBLEDeviceCharacteristics(deviceId, service.uuid)
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wx.showLoading({
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title: '获取设备的UUID成功',
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})
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return
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}
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}
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}
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})
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},
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// 获取蓝牙设备某个服务中所有特征值(characteristic)
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/**
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* read: true读,write: true写,notify: true广播
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*/
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getBLEDeviceCharacteristics(deviceId, serviceId) {
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let that = this
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this._deviceId = deviceId
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this._serviceId = serviceId
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this._device.serviceId = serviceId
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wx.showLoading({
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title: '连接成功',
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})
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wx.getBLEDeviceCharacteristics({
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deviceId,
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serviceId,
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success: (res) => {
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console.log("服务的特征值成功：", res)
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for (let i = 0; i < res.characteristics.length; i++) {
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let item = res.characteristics[i];
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if (item.uuid.indexOf('0000FFE4') != -1) {
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that.data.uuid1 = item.uuid //主服务 UUID
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} else if (item.uuid.indexOf('0000FF12') != -1) {
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that.data.uuid2 = item.uuid //写入设置
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}
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}
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setTimeout(function() { //下发密码指令
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let j = Number(165 + 10 + 1 + 8 + 8 + 8 + 8 + 8 + 8).toString(16)
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let str = "A50A01080808080808" + j.substr(j.length - 2, 2)
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that.SendData(str)
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}, 300)
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setTimeout(function() { //设置体重指令 默认100斤
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let num = parseInt(100).toString();
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let m = Number(165 + 5 + 8 + Number(num)).toString(16)
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let send = "A50508" + Number(num).toString(16) + m.substr(m.length - 2,
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2)
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that.SendData(send)
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}, 600)
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wx.notifyBLECharacteristicValueChange({
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deviceId,
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serviceId,
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characteristicId: that.data.uuid1,
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state: true,
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})
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wx.notifyBLECharacteristicValueChange({
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deviceId,
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serviceId,
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characteristicId: that.data.uuid2,
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state: true,
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})
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that.notifyBLECharacteristicValue()
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},
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fail(res) {
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console.error('getBLEDeviceCharacteristics', res)
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}
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})
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},
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notifyBLECharacteristicValue() {
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let that = this;
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wx.notifyBLECharacteristicValueChange({
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state: true, // 启用 notify 功能
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deviceId: that.data.deviceId,
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serviceId: that.data.serviceId,
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characteristicId: that.data.uuid1,
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success(res) {
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wx.onBLECharacteristicValueChange((characteristic) => {
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let value = ab2hex(characteristic.value, "");
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let count = parseInt(value.substring(8, 12), 16)
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let Ycount = parseInt(value.substring(12, 16), 16) //设置次数
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let time = parseInt(value.substring(16, 20), 16) //运行时间/秒
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let timeDown = parseInt(value.substring(20, 24), 16) //倒计时时间
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let type = parseInt(value.substring(30, 32), 16) //当前状态
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let weight = parseInt(value.substring(32, 34), 16) //重量
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let kcal = parseInt(value.substring(34, 38), 16) / 10 //卡路里
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let minutes = 0
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let seconds = 0
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let time_m = "00"
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let time_s = "00"
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let j = null
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let str = null
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if (value == '5a05090169') { //模式设置成功
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setTimeout(function() {
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j = Number(165 + 5 + 5).toString(16)
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str = "A5050500" + j.substr(j.length - 2, 2)
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that.SendData(str) //开始
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}, 900)
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setTimeout(function() {
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j = Number(165 + 5 + 3).toString(16)
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str = "A5050300" + j.substr(j.length - 2, 2)
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that.SendData(str) //连续
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}, 1200)
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}
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if (value == '5a05080168') {
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setTimeout(function() { //自由模式
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that.data.Mode = "自由模式"
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j = Number(165 + 8 + 9).toString(16)
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str = "A5080900000000" + j.substr(j.length - 2, 2)
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that.SendData(str) //连续
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console.log("模式模式")
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}, 300)
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}
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console.log("value", value, type, that.data.active)
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if (type == 0 || type == 4) {
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if (that.data.active != 2 && count != 0) { //自由模式 + 计数
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minutes = Math.floor((time % 3600) / 60)
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seconds = time % 60
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}
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if (that.data.active == 2) { //计时
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let T = Number(timeDown) - Number(time)
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minutes = Math.floor((T % 3600) / 60)
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seconds = T % 60
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}
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time_m = minutes > 9 ? minutes : '0' + minutes
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time_s = seconds > 9 ? seconds : '0' + seconds
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that.setData({
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Mode: that.data.Mode,
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weight: "跳绳个数：" + count,
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text: "时长：" + time_m + ':' + time_s,
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kcal: "消耗卡路里：" + Math.floor(kcal),
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})
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}
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})
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}
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})
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},
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// 模式切换
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handleStart(e) {
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let that = this
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let m = null
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let send = null
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console.log("ind", ind)
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that.data.active = e.currentTarget.dataset.name
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let ind = e.currentTarget.dataset.name
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if (ind == 1) { // 1自由
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m = Number(165 + 8 + 9).toString(16)
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send = "A5080900000000" + m.substr(m.length - 2, 2)
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that.data.Mode = "自由模式"
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}
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if (ind == 2) { //2定时 默认60秒
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m = Number(165 + 8 + 9 + 60).toString(16)
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send = "A508090000" + toHex(60, 4) + m.substr(m.length - 2, 2)
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that.data.Mode = "定时模式"
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}
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if (ind == 3) { //3定数 默认50个
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m = Number(165 + 8 + 9 + 50).toString(16)
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send = "A50809" + toHex(50, 4) + "0000" + m.substr(m.length - 2, 2)
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that.data.Mode = "定数模式"
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}
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console.log("send", send)
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that.SendData(send)
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that.stopBluetoothDevicesDiscovery()
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},
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SendData(str) {
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let that = this
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let buf = new Uint8Array(str.match(/[\da-f]{2}/gi).map(function(h) {
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return parseInt(h, 16)
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}))
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wx.writeBLECharacteristicValue({
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deviceId: that.data.deviceId,
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serviceId: that.data.serviceId,
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characteristicId: that.data.uuid2,
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value: buf.buffer,
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success: res => {
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console.log('下发指令', res.errMsg)
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wx.showToast({
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title: '下发指令成功',
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duration: 2000,
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icon: 'none'
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})
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},
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fail: res => {
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wx.showToast({
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title: '下发指令失败',
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duration: 2000,
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icon: 'none'
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})
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console.log("失败", res);
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},
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})
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},
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/**
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* 断开蓝牙模块
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*/
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closeBluetoothAdapter() {
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wx.closeBluetoothAdapter()
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this._discoveryStarted = false
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wx.showToast({
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title: '断开蓝牙模块',
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icon: 'none'
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})
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this.setData({
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devices: [],
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weight: "",
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text: "",
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Mode: "",
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kcal: "",
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})
|
||
|
|
},
|
||
|
|
// 断开与低功耗蓝牙设备的连接
|
||
|
|
closeBLEConnection() {
|
||
|
|
wx.closeBLEConnection({
|
||
|
|
deviceId: this._deviceId
|
||
|
|
})
|
||
|
|
wx.showToast({
|
||
|
|
title: '断开蓝牙连接',
|
||
|
|
icon: 'none'
|
||
|
|
})
|
||
|
|
this.setData({
|
||
|
|
devices: [],
|
||
|
|
weight: "",
|
||
|
|
text: "",
|
||
|
|
Mode: "",
|
||
|
|
kcal: "",
|
||
|
|
})
|
||
|
|
},
|
||
|
|
|
||
|
|
});
|