535 lines
17 KiB
JavaScript
535 lines
17 KiB
JavaScript
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// pages/bluetooth-connect/bluetooth-connect.js
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const app = getApp()
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const FIXED_CONNECT_CMD = new Uint8Array([0xCC, 0xC0, 0x0C, 0x00, 0x4F, 0xC0, 0x01, 0x00, 0x02, 0x00, 0x0C, 0x08])
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Page({
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data: {
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ConnectedDevName:"",
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activeTab: 'W13', // 默认选中W13
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autho: null,
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Hotelinfo: {},
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deviceList: [],
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currentDeviceId: null,
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coid:0
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},
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// 返回上一页
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goBack() {
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// 返回前主动断开当前BLE连接，避免连接遗留
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try {
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this.disconnectCurrentDevice()
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} catch (e) {}
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wx.navigateBack()
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},
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// 切换导航选项卡
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switchTab(e) {
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const tab = e.currentTarget.dataset.tab
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const current = this.data.activeTab
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if (tab === current) {
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return
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}
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const hasConnected = this.data.deviceList.some(d => d.connected)
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if (hasConnected) {
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wx.showModal({
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title: '提示',
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content: '当前有已连接的蓝牙设备，切换将断开并重新搜索，是否继续？',
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success: (res) => {
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if (res.confirm) {
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this.disconnectAllDevices()
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this.setData({ activeTab: tab })
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// 切换后立即搜索一次
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this.searchBluetooth()
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}
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}
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})
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} else {
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this.setData({ activeTab: tab })
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this.searchBluetooth()
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}
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},
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disconnectAllDevices() {
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const list = this.data.deviceList.map(d => ({ ...d, connected: false }))
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this.setData({ deviceList: list })
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},
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// 根据选项卡加载设备数据
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loadDevicesByTab(tab) {
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// 这里可以根据tab从服务器获取对应的设备列表
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console.log('加载设备列表，选项卡：', tab)
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// 模拟不同选项卡的设备数据
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let deviceList = []
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if (tab === 'host') {
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deviceList = [
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{
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id: 1,
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name: '主机设备1',
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signal: 95,
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connected: true
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},
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{
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id: 2,
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name: '主机设备2',
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signal: 80,
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connected: false
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}
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]
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} else {
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deviceList = this.data.deviceList
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}
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this.setData({ deviceList })
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},
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// 搜索蓝牙设备
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searchBluetooth() {
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const filterPrefix = this.data.activeTab
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wx.showLoading({
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title: '搜索中...',
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mask: true
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})
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// 先断开当前连接设备（如果有）
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this.disconnectCurrentDevice()
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// 清空旧列表并启动搜索
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this.setData({ deviceList: [] })
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this.ensureBluetoothReady()
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.then(() => this.startBluetoothDevicesDiscovery(filterPrefix))
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.catch((err) => {
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console.error('蓝牙初始化失败', err)
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wx.hideLoading()
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wx.showToast({ title: '请开启蓝牙和定位权限', icon: 'none' })
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})
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},
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ensureBluetoothReady() {
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return new Promise((resolve, reject) => {
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wx.openBluetoothAdapter({
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mode: 'central',
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success: () => {
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resolve()
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},
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fail: (err) => {
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// 10001 系统蓝牙未打开；10002 无权限
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if (err && err.errCode === 10001) {
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wx.showModal({
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title: '蓝牙未开启',
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content: '请先打开手机蓝牙后重试',
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showCancel: false
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})
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} else {
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wx.showModal({
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title: '权限提示',
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content: '请授权蓝牙与定位权限后重试',
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showCancel: false
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})
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}
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reject(err)
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}
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})
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})
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},
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startBluetoothDevicesDiscovery(prefix) {
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// 先取消旧的发现监听，避免多次注册造成干扰
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this.teardownDeviceFoundListener()
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this._foundCount = 0
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console.info('[BLE] start scan, prefix:', prefix || 'ALL')
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// 先停止可能已有的搜索，待停止完成后再启动，避免竞态
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wx.stopBluetoothDevicesDiscovery({
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complete: () => {
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wx.startBluetoothDevicesDiscovery({
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allowDuplicatesKey: true, // 允许重复上报，提升二次搜索的发现率
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success: () => {
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this.setupDeviceFoundListener(prefix)
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// 定时停止，避免长时间占用
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setTimeout(() => {
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this.stopBluetoothDiscovery()
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}, 6000)
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},
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fail: (err) => {
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console.error('开始搜索蓝牙设备失败', err)
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wx.hideLoading()
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wx.showToast({ title: '搜索失败', 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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setupDeviceFoundListener(prefix) {
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this._deviceFoundHandler = (res) => {
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const devices = (res && res.devices) || []
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if (devices.length) this._foundCount = (this._foundCount || 0) + devices.length
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this.handleDeviceFound(devices, prefix)
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}
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if (typeof wx.onBluetoothDeviceFound === 'function') {
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wx.onBluetoothDeviceFound(this._deviceFoundHandler)
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}
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},
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teardownDeviceFoundListener() {
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if (this._deviceFoundHandler && typeof wx.offBluetoothDeviceFound === 'function') {
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wx.offBluetoothDeviceFound(this._deviceFoundHandler)
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}
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this._deviceFoundHandler = null
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},
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handleDeviceFound(devices, prefix) {
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const list = [...this.data.deviceList]
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devices.forEach((dev) => {
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const name = dev.name || dev.localName || ''
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if (!name) return
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const isW13 = this.data.activeTab === 'W13'
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const matched = isW13 ? /^BLV_(W13|C13)_.+$/i.test(name) : (prefix ? name.startsWith(prefix) : true)
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if (!matched) return
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const existsIndex = list.findIndex((d) => d.id === dev.deviceId)
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const rssi = dev.RSSI || 0
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const signal = Math.max(0, Math.min(100, 100 + rssi))
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const mapped = {
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id: dev.deviceId,
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name,
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mac: dev.deviceId,
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signal,
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connected: false,
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RSSI: rssi,
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localName: dev.localName || '',
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serviceUUIDs: dev.serviceUUIDs || []
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}
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if (existsIndex >= 0) {
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list[existsIndex] = { ...list[existsIndex], ...mapped }
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} else {
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list.push(mapped)
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}
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})
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this.setData({ deviceList: list })
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},
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// 停止蓝牙搜索
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stopBluetoothDiscovery() {
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wx.stopBluetoothDevicesDiscovery({
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complete: () => {
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console.info('[BLE] stop scan, found events:', this._foundCount || 0, 'list size:', this.data.deviceList.length)
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wx.hideLoading()
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const count = this.data.deviceList.length
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wx.showToast({ title: `发现${count}个设备`, icon: 'success', duration: 1500 })
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}
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})
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},
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onUnload() {
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// 页面卸载时清理蓝牙扫描与监听
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// this.teardownDeviceFoundListener()
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if (typeof wx.stopBluetoothDevicesDiscovery === 'function') {
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wx.stopBluetoothDevicesDiscovery({ complete: () => {} })
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}
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if (this._fixedLoopTimer) {
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clearInterval(this._fixedLoopTimer)
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this._fixedLoopTimer = null
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}
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},
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// 连接设备
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onDeviceTap(e) {
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const index = e.currentTarget.dataset.index
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const device = this.data.deviceList[index]
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let coid= this.data.coid
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if (!device) return
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const currentIndex = this.data.deviceList.findIndex(d => d.connected)
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// 如果点击的就是已连接设备，直接进入对应页面并携带已保存的BLE参数
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if (currentIndex === index && currentIndex >= 0) {
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if (this.data.activeTab === 'W13') {
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const devName = device.name || 'W13设备'
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const mac = this.data.currentDeviceId || device.id || ''
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const svc = this.data.currentServiceId || device.serviceId || ''
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const tx = this.data.currentTxCharId || device.txCharId || ''
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const rx = this.data.currentRxCharId || device.rxCharId || ''
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// 至少携带 mac；若已持有 svc/tx/rx 则一并带上，避免重复发现
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const base = `/pages/basics/BluetoothDebugging/B13page/B13page?DevName=${encodeURIComponent(devName)}&mac=${encodeURIComponent(mac)}`
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const withParams = (svc && tx && rx)
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? `${base}&serviceId=${encodeURIComponent(svc)}&txCharId=${encodeURIComponent(tx)}&rxCharId=${encodeURIComponent(rx)}`
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: base
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console.log(url)
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console.log(withParams)
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wx.navigateTo({ url: withParams })
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} else {
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wx.showToast({ title: '已连接当前设备', icon: 'none' })
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}
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return
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}
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if (currentIndex >= 0 && currentIndex !== index) {
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wx.showModal({
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title: '切换设备',
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content: '已连接其他设备，是否切换到当前设备？',
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success: (res) => {
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if (res.confirm) {
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this.connectToDevice(index)
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}
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}
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})
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} else if (currentIndex < 0) {
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wx.showModal({
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title: '连接设备',
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content: '是否连接此蓝牙设备？',
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success: (res) => {
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if (res.confirm) {
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this.connectToDevice(index)
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}
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}
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})
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} else {
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this.connectToDevice(index)
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}
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},
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connectToDevice(index) {
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const device = this.data.deviceList[index]
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if (!device || !device.id) {
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wx.showToast({ title: '设备信息缺失', icon: 'none' })
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return
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}
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wx.showLoading({ title: '连接中...', mask: true })
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// 使用 BLE 直连，不再使用模拟延迟
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wx.createBLEConnection({
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deviceId: device.id,
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success: () => {
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const list = this.data.deviceList.map((d, i) => ({ ...d, connected: i === index }))
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this.setData({ deviceList: list, currentDeviceId: device.id })
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// 设置MTU为256，提升传输效率
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if (typeof wx.setBLEMTU === 'function') {
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wx.setBLEMTU({
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deviceId: device.id,
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mtu: 500,
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fail: () => console.warn('[BLE] set MTU 256 failed'),
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success: () => console.info('[BLE] set MTU 256 success')
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})
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}
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// 连接成功后发现服务与特征
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this.discoverBleChannels(device)
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},
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fail: (err) => {
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wx.hideLoading()
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console.error('BLE 连接失败', err)
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wx.showToast({ title: '连接失败', icon: 'none' })
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}
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})
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},
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// 发现包含 FFE1(写) / FFE2(订阅) 的服务与特征，并启用 FFE2 通知
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discoverBleChannels(device) {
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const deviceId = device.id
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wx.getBLEDeviceServices({
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deviceId,
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success: (srvRes) => {
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const services = srvRes.services || []
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if (!services.length) {
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wx.hideLoading()
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wx.showToast({ title: '未发现服务', icon: 'none' })
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return
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}
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let found = false
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let pending = services.length
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|
|
// 优先自定义/未知服务（UUID 含 FFE）其余按原顺序
|
|||
|
|
const score = (s) => {
|
|||
|
|
const u = (s.uuid || '').toUpperCase()
|
|||
|
|
return u.includes('FFE') ? 2 : (s.isPrimary === true ? 1 : 0)
|
|||
|
|
}
|
|||
|
|
const sorted = services.slice().sort((a, b) => score(b) - score(a))
|
|||
|
|
sorted.forEach(s => {
|
|||
|
|
const serviceId = s.uuid
|
|||
|
|
wx.getBLEDeviceCharacteristics({
|
|||
|
|
deviceId,
|
|||
|
|
serviceId,
|
|||
|
|
success: (chRes) => {
|
|||
|
|
const chars = chRes.characteristics || []
|
|||
|
|
const ffe1 = chars.find(c => this._matchUuid(c.uuid, 'FFE1'))
|
|||
|
|
const ffe2 = chars.find(c => this._matchUuid(c.uuid, 'FFE2'))
|
|||
|
|
if (!found && ffe1 && ffe2) {
|
|||
|
|
found = true
|
|||
|
|
// 启用FFE2通知
|
|||
|
|
wx.notifyBLECharacteristicValueChange({
|
|||
|
|
state: true,
|
|||
|
|
deviceId,
|
|||
|
|
serviceId,
|
|||
|
|
characteristicId: ffe2.uuid,
|
|||
|
|
complete: () => {
|
|||
|
|
wx.hideLoading()
|
|||
|
|
wx.showToast({ title: '连接成功', icon: 'success' })
|
|||
|
|
// 保存当前服务与特征，供已连接设备直接进入页面使用
|
|||
|
|
this.setData({
|
|||
|
|
currentServiceId: serviceId,
|
|||
|
|
currentTxCharId: ffe1.uuid,
|
|||
|
|
currentRxCharId: ffe2.uuid
|
|||
|
|
})
|
|||
|
|
// 连接成功后发送指定命令帧
|
|||
|
|
// this.sendFixedCommand(deviceId, serviceId, ffe1.uuid)
|
|||
|
|
|
|||
|
|
if (this.data.activeTab === 'W13') {
|
|||
|
|
const devName = device.name || 'W13设备'
|
|||
|
|
const url = `/pages/basics/BluetoothDebugging/B13page/B13page?DevName=${encodeURIComponent(devName)}&mac=${encodeURIComponent(deviceId)}&serviceId=${encodeURIComponent(serviceId)}&txCharId=${encodeURIComponent(ffe1.uuid)}&rxCharId=${encodeURIComponent(ffe2.uuid)}`
|
|||
|
|
console.log(url)
|
|||
|
|
wx.navigateTo({ url })
|
|||
|
|
// this.sendFixedCommand(deviceId, serviceId, ffe1.uuid)
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
fail: () => {
|
|||
|
|
// 不中断流程，继续其他服务
|
|||
|
|
},
|
|||
|
|
complete: () => {
|
|||
|
|
pending -= 1
|
|||
|
|
if (!found && pending === 0) {
|
|||
|
|
wx.hideLoading()
|
|||
|
|
wx.showModal({ title: '提示', content: '未找到FFE1/FFE2特征', showCancel: false })
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
})
|
|||
|
|
},
|
|||
|
|
fail: (err) => {
|
|||
|
|
wx.hideLoading()
|
|||
|
|
console.error('获取服务失败', err)
|
|||
|
|
wx.showToast({ title: '获取服务失败', icon: 'none' })
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
_matchUuid(uuid, needle) {
|
|||
|
|
if (!uuid || !needle) return false
|
|||
|
|
const u = String(uuid).replace(/-/g, '').toUpperCase()
|
|||
|
|
const n = String(needle).toUpperCase().replace(/^0X/, '')
|
|||
|
|
// 模糊匹配：包含指定段即可（兼容16/128位 UUID）
|
|||
|
|
return u.includes(n)
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
sendFixedCommand(deviceId, serviceId, txCharId) {
|
|||
|
|
if (!deviceId || !serviceId || !txCharId || typeof wx.writeBLECharacteristicValue !== 'function') return
|
|||
|
|
console.info(`[BLE] sendFixedCommand params device=${deviceId} svc=${serviceId} tx=${txCharId}`)
|
|||
|
|
try {
|
|||
|
|
wx.writeBLECharacteristicValue({
|
|||
|
|
deviceId,
|
|||
|
|
serviceId,
|
|||
|
|
characteristicId: txCharId,
|
|||
|
|
value: FIXED_CONNECT_CMD.buffer,
|
|||
|
|
complete: () => {
|
|||
|
|
console.info(`[BLE] sent fixed cmd device=${deviceId} svc=${serviceId} tx=${txCharId}`)
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
} catch (e) {
|
|||
|
|
console.warn('[BLE] send fixed cmd failed', e)
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// 测试函数：每5秒发送一次固定命令
|
|||
|
|
startFixedCmdLoop() {
|
|||
|
|
const deviceId = this.data.currentDeviceId
|
|||
|
|
const serviceId = this.data.currentServiceId
|
|||
|
|
const txCharId = this.data.currentTxCharId
|
|||
|
|
if (!deviceId || !serviceId || !txCharId) {
|
|||
|
|
wx.showToast({ title: '未连接BLE', icon: 'none' })
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
if (this._fixedLoopTimer) {
|
|||
|
|
clearInterval(this._fixedLoopTimer)
|
|||
|
|
this._fixedLoopTimer = null
|
|||
|
|
}
|
|||
|
|
const sendOnce = () => {
|
|||
|
|
try {
|
|||
|
|
wx.writeBLECharacteristicValue({
|
|||
|
|
deviceId,
|
|||
|
|
serviceId,
|
|||
|
|
characteristicId: txCharId,
|
|||
|
|
value: FIXED_CONNECT_CMD.buffer,
|
|||
|
|
fail: (err) => {
|
|||
|
|
console.warn('[BLE] loop fixed cmd fail', err && (err.errMsg || err.message) || err)
|
|||
|
|
}
|
|||
|
|
})
|
|||
|
|
} catch (e) {
|
|||
|
|
console.warn('[BLE] loop fixed cmd exception', e && (e.errMsg || e.message) || e)
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
sendOnce()
|
|||
|
|
this._fixedLoopTimer = setInterval(sendOnce, 5000)
|
|||
|
|
wx.showToast({ title: '已启动固定命令循环', icon: 'none' })
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// 可选：停止循环发送
|
|||
|
|
stopFixedCmdLoop() {
|
|||
|
|
if (this._fixedLoopTimer) {
|
|||
|
|
clearInterval(this._fixedLoopTimer)
|
|||
|
|
this._fixedLoopTimer = null
|
|||
|
|
wx.showToast({ title: '已停止循环', icon: 'none' })
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// 断开当前连接设备（如果有真实连接）
|
|||
|
|
disconnectCurrentDevice() {
|
|||
|
|
const idx = this.data.deviceList.findIndex(d => d.connected)
|
|||
|
|
if (idx >= 0) {
|
|||
|
|
// 标记断开状态
|
|||
|
|
const list = this.data.deviceList.map((d, i) => ({ ...d, connected: false }))
|
|||
|
|
this.setData({ deviceList: list })
|
|||
|
|
}
|
|||
|
|
// 如果保留了设备ID，尝试调用系统断开
|
|||
|
|
const devId = this.data.currentDeviceId
|
|||
|
|
if (devId && typeof wx.closeBLEConnection === 'function') {
|
|||
|
|
try {
|
|||
|
|
wx.closeBLEConnection({ deviceId: devId, complete: () => {} })
|
|||
|
|
} catch (e) {
|
|||
|
|
// 忽略断开异常，继续搜索
|
|||
|
|
}
|
|||
|
|
this.setData({ currentDeviceId: null })
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
onLoad() {
|
|||
|
|
const { autho } = app.globalData || {}
|
|||
|
|
let currentHotel = null
|
|||
|
|
|
|||
|
|
if (autho && Array.isArray(autho) && autho.length > 0) {
|
|||
|
|
// 优先取第一个分组里的第一个酒店；后续可按需要改为 options.HotelId 精确匹配
|
|||
|
|
const firstGroup = autho[0]
|
|||
|
|
if (firstGroup && Array.isArray(firstGroup.Hotels) && firstGroup.Hotels.length > 0) {
|
|||
|
|
currentHotel = firstGroup.Hotels[0]
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (currentHotel) {
|
|||
|
|
this.setData({
|
|||
|
|
autho,
|
|||
|
|
Hotelinfo: currentHotel
|
|||
|
|
})
|
|||
|
|
|
|||
|
|
const title = currentHotel.HotelName
|
|||
|
|
? `${currentHotel.HotelName}${currentHotel.Code ? ' (' + currentHotel.Code + ')' : ''}`
|
|||
|
|
: '蓝牙调试'
|
|||
|
|
wx.setNavigationBarTitle({ title })
|
|||
|
|
} else {
|
|||
|
|
wx.setNavigationBarTitle({ title: '蓝牙调试' })
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 页面加载时，根据当前选中的选项卡加载设备
|
|||
|
|
this.loadDevicesByTab(this.data.activeTab)
|
|||
|
|
// 同步执行一次蓝牙搜索（按 W13 过滤规则）
|
|||
|
|
this.searchBluetooth()
|
|||
|
|
}
|
|||
|
|
})
|