bt_helper.js 21 KB

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  1. // 引入必要的模块
  2. // const DeviceUtil = require('./DeviceUtil');
  3. // const BtAndroidHelper = require('./BtAndroidHelper');
  4. // const BtIOSHelper = require('./BtIOSHelper');
  5. // const QueueManager = require('./QueueManager');
  6. // const DeviceManager = require('./DeviceManager');
  7. const {
  8. CmdBase,
  9. BtCmd
  10. } = require('./../devices/bluetooth/bt_cmd');
  11. const {
  12. EnumCmdEvent,
  13. CmdEvent
  14. } = require('./../devices/cmd_key_event');
  15. const {
  16. addNotification
  17. } = require('./../utils/event_bus');
  18. const BtParse = require('./../devices/bluetooth/bt_parse');
  19. // const VolumeUtil = require('./VolumeUtil');
  20. // const EventManager = require('./EventManager');
  21. // const CmdBase = require('./../devices/bluetooth/bt_cmd');
  22. const bleManager = require('./ble_manager');
  23. const QueueManager = require('./QueueManager');
  24. // const EnumConnectStatus = require('./EnumConnectStatus');
  25. // const EnumOpen = require('./EnumOpen');
  26. // const EnumSupplier = require('./EnumSupplier');
  27. // const EnumLowDelayModeOpen = require('./EnumLowDelayModeOpen');
  28. // const EnumLowDelayMode = require('./EnumLowDelayMode');
  29. // const EnumPlayStatus = require('./EnumPlayStatus');
  30. class BtHelper {
  31. static getInstance() {
  32. // if (!BtHelper._instance) {
  33. // BtHelper._instance = new BtHelper();
  34. // }
  35. return BtHelper._instance;
  36. }
  37. static _instance = new BtHelper();
  38. static _isConnecting = false;
  39. static isDisConnectByOTA = false;
  40. // _helper;
  41. constructor() {
  42. var that = this;
  43. that.timer = null;
  44. that.bleManager = new bleManager();
  45. // if (DeviceUtil.isAndroid) {
  46. // that._helper = BtAndroidHelper.instance;
  47. // } else {
  48. // that._helper = BtIOSHelper.instance;
  49. // }
  50. // QueueManager.instance.listenTask((task) => {
  51. // if (!DeviceManager.instance.isWatch) {
  52. // that._helper.send({ cmd: task });
  53. // }
  54. // });
  55. that.queueManager = new QueueManager();
  56. that.queueManager.clear();
  57. that.queueManager.listenTask((task) => {
  58. that.bleManager.sendData(task);
  59. });
  60. addNotification(CmdEvent.eventName, function (event) {
  61. // console.log("蓝牙helper:", event)
  62. let device = getApp().globalData.mDeviceList[0] ?? {};
  63. if (device.connectType != 1 && device.state != "online") {
  64. return;
  65. }
  66. that.handleCommand(event, device);
  67. }, this)
  68. }
  69. ///搜索蓝牙设备
  70. async search(callBack, connected) {
  71. var that = this;
  72. that.bleManager.startScan(
  73. async function (c) {
  74. callBack(c);
  75. },
  76. async function (c) {
  77. connected(c);
  78. },
  79. );
  80. // console.log("gadsfadfqwerqwerqr==444====" + res);
  81. ///失败
  82. // if (!res) {
  83. // }
  84. // that.timer = null;
  85. // that.timer = setTimeout(() => {
  86. // that.stopSearch();
  87. // if (stopCall) {
  88. // stopCall()
  89. // }
  90. // }, 10000);
  91. // console.log(res);
  92. // return await that._helper.search();
  93. }
  94. handleCommand(event, mDevice) {
  95. let name = event.cmdEvent;
  96. switch (name) {
  97. ///音量 设备控制手机
  98. case EnumCmdEvent.volume:
  99. var volume = event.volume;
  100. // if (ProviderUtil.play.isSimulate) {
  101. // _isPhoneVolume = false;
  102. // await VolumeUtil.setVolume(volume);
  103. // Future.delayed(const Duration(milliseconds: 100), () {
  104. // _isPhoneVolume = true;
  105. // });
  106. // }
  107. mDevice.volume = volume;
  108. break;
  109. ///电量
  110. case EnumCmdEvent.battery:
  111. mDevice.kwh = event.kwh;
  112. break;
  113. ///低时延模式 低时延模式开启 1:音乐 , 2: 游戏 , 3: movie
  114. case EnumCmdEvent.lowDelayMode:
  115. mDevice.lowDelayMode = event.lowDelayMode;
  116. mDevice.lowDelayModeOpen = event.lowDelayModeOpen;
  117. break;
  118. ///电量 耳机电量
  119. case EnumCmdEvent.batteryEarphone:
  120. mDevice.kwh = event.kwh;
  121. mDevice.kwhLeft = event.kwhLeft;
  122. mDevice.kwhRight = event.kwhRight;
  123. mDevice.kwhBox = event.kwhBox;
  124. break;
  125. ///是否支持TTS
  126. case EnumCmdEvent.enableTTS:
  127. mDevice.enableTTS = event.enableTTS;
  128. break;
  129. ///切换设备连接模式 0:未知 1:低功耗蓝牙 2:wifi类型 3:经典蓝牙(不做任何操作) 4:4G类型
  130. case EnumCmdEvent.switchDeviceMode:
  131. var deviceMode = event.deviceMode.index;
  132. if (deviceMode != null) {
  133. L.d("switchDeviceMode======$deviceMode");
  134. mDevice.deviceMode = deviceMode;
  135. }
  136. break;
  137. ///4G外插卡 4G虚拟卡 当前使用的sim卡
  138. case EnumCmdEvent.sim:
  139. mDevice.sim = event.sim;
  140. mDevice.eSim = event.eSim;
  141. mDevice.simIndex = event.simIndex;
  142. break;
  143. ///闹钟是否开启 闹钟周期 闹钟唤醒时间
  144. case EnumCmdEvent.wake:
  145. mDevice.wakeSwitch = event.wakeSwitch;
  146. mDevice.wakeCycle = event.wakeCycle;
  147. mDevice.wakeHour = event.wakeHour;
  148. mDevice.wakeMinutes = event.wakeMinutes;
  149. break;
  150. ///休眠是否开启 休眠时间
  151. case EnumCmdEvent.sleep:
  152. mDevice.sleepSwitch = event.sleepSwitch;
  153. mDevice.sleepHour = event.sleepHour;
  154. mDevice.sleepMinutes = event.sleepMinutes;
  155. break;
  156. ///版本和型号
  157. case EnumCmdEvent.version:
  158. mDevice.version = event.version;
  159. var clientType = mDevice.clientType ?? "";
  160. ///验证设备首页固件升级图标
  161. // getCheckOTAIndexProvider.refresh();
  162. // // TODO 校验版本是否升级
  163. // if (clientType.isNotEmpty) {
  164. // var response = await DeviceService.getDeviceDetail(
  165. // clientType: clientType,
  166. // version: event.version,
  167. // type: mDevice.deviceMode ?? EnumDeviceMode.ble.index,
  168. // );
  169. // if (response.isSuccess) {
  170. // DeviceDetailEntity ? updateData = response.data;
  171. // if (updateData != null) {
  172. // // mDevice.typeList = updateData.typeList;
  173. // // 是否强制升级0-无更新 1-是,2-否
  174. // var force = updateData.isEnforcement;
  175. // var hasNewVersion = force == 1 || force == 2;
  176. // // if (force == 1) {
  177. // // EventManager.fire(OtaUpdateEvent(updateData: updateData));
  178. // // }
  179. // }
  180. // }
  181. // }
  182. break;
  183. ///云小微授权
  184. case EnumCmdEvent.auth:
  185. var authInfo = event.authInfo;
  186. mDevice.authInfo = authInfo;
  187. // QQMusicManager.auth(authInfo: authInfo);
  188. // CacheUtil.saveDSN(dsn: authInfo.dsn ?? "");
  189. break;
  190. case EnumCmdEvent.btMac:
  191. var btMac = event.btMac;
  192. mDevice.btMac = btMac;
  193. // // 更新一下 imei
  194. // getDeviceImei().then((e) {
  195. // mDevice.imei = e;
  196. // });
  197. break;
  198. ///EQ音效
  199. case EnumCmdEvent.eq:
  200. mDevice.eqs = event.eqs;
  201. break;
  202. ///payId 充流量使用
  203. case EnumCmdEvent.payId:
  204. mDevice.payId = event.payId;
  205. break;
  206. ///QQ音乐使用dsn授权
  207. case EnumCmdEvent.dsn:
  208. var dsn = event.dsn;
  209. mDevice.dsn = dsn;
  210. // //存储设备的DSN
  211. // await CacheUtil.saveDSN(dsn: dsn ?? "");
  212. // ProviderUtil.twelvePublic.wifiDeviceConnected();
  213. break;
  214. ///自动切换 0,1不能
  215. ///
  216. case EnumCmdEvent.netModeAuto:
  217. mDevice.netModeAuto = event.netModeAuto;
  218. break;
  219. ///解绑设备
  220. case EnumCmdEvent.unbind:
  221. // let unbindAddress = event.item.address ?? "";
  222. // if (unbindAddress != mDevice.address) {
  223. // _resetList();
  224. // return;
  225. // }
  226. // _lastConnectAddress = null;
  227. // bondedDeviceData.remove(mDevice);
  228. // if (mDevice.address == event.item.address) {
  229. // mDevice = null;
  230. // }
  231. // _resetList();
  232. break;
  233. ///解绑设备
  234. case EnumCmdEvent.ctrlStatus:
  235. // List < int > ctrlList = event.ctrlStatus;
  236. // if (ctrlList.length == 3) {
  237. // mDevice.singleClick = ctrlList[0];
  238. // mDevice.doubleClick = ctrlList[1];
  239. // mDevice.longPressClick = ctrlList[2];
  240. // }
  241. break;
  242. case EnumCmdEvent.lowPowerOpen:
  243. let lowPower = event.lowPowerOpen ?? 0;
  244. mDevice.lowPowerOpen = lowPower;
  245. break;
  246. case EnumCmdEvent.authSleepStatus:
  247. let pauseSleep = event.pauseSleep;
  248. mDevice.pauseSleep = pauseSleep;
  249. notifyListeners();
  250. break;
  251. ///设备信息
  252. case EnumCmdEvent.getDeviceInfo:
  253. // List list = [];
  254. // String userId = ProviderUtil.user.userModel.uid ?? "";
  255. // for (var element in bondedDeviceData) {
  256. // list.add({
  257. // "clientType": element.clientType ?? "",
  258. // "userId": userId,
  259. // "deviceName": element.name ?? "",
  260. // "mac": element.address,
  261. // "deviceId": element.deviceId ?? 0,
  262. // });
  263. // }
  264. // MobClickEvent.mobClickEvent(EnumMobEvent.eventDevicesConnect, params: { "devices": list });
  265. // if (mDevice != null) {
  266. // mDevice.imei ??= await CacheUtil.getImei(address: mDevice.address ?? "");
  267. // /// 用户绑定设备
  268. // await CacheUtil.addDevice(item: mDevice!);
  269. // // String dsn = await CacheUtil.getDSN();
  270. // // if (dsn.isEmpty) {
  271. // // 获取设备dsn
  272. // DeviceManager.instance.auth();
  273. // // }
  274. // //延迟
  275. // var address = mDevice.address ?? "";
  276. // bool isSuccess = await ProviderUtil.twelve.questDeviceTwelveData(address);
  277. // if (isSuccess) {
  278. // bool showDevice = await DeviceChannelAllPage.presentPage();
  279. // if (!showDevice) {
  280. // VipOpenAiTingDialogWidget.presentPage();
  281. // }
  282. // }
  283. // }
  284. // await CacheUtil.saveConnectedDevice(list: bondedDeviceData);
  285. break;
  286. default:
  287. break;
  288. }
  289. }
  290. resetConnectState(connect) {
  291. // BtHelper._isConnecting = connect;
  292. }
  293. async findDevices(callback) {
  294. this.bleManager.onBluetoothDeviceFound(callback)
  295. // return await this._helper.search();
  296. }
  297. async stopSearch() {
  298. clearTimeout(this.timer);
  299. this.timer = null;
  300. await this.bleManager.stopScan();
  301. }
  302. async _connectSuccess() {
  303. this.checkDevice()
  304. this.getDeviceInfo()
  305. }
  306. async connect(data, onChanged) {
  307. // await this._helper.connect({ data, onChanged, isClick });
  308. var that = this;
  309. clearTimeout(this.timer);
  310. this.timer = null;
  311. this.bleManager.stopScan()
  312. var res = await this.bleManager.connectToDevice(data);
  313. console.log(res ? '连接成功' : '连接失败');
  314. // this.setData({ connectedDeviceId: deviceId });
  315. if (res === false) {
  316. console.log("连接失败")
  317. this.disconnect(data)
  318. if (onChanged) {
  319. onChanged(false)
  320. }
  321. return
  322. }
  323. const serviceId = await this.bleManager.discoverServices(data.deviceId);
  324. if (serviceId == "") {
  325. console.log("连接失败")
  326. this.disconnect(data)
  327. if (onChanged) {
  328. onChanged(false)
  329. }
  330. return
  331. }
  332. // this.setData({ services });
  333. console.log("服务ID:" + serviceId)
  334. var characteristics = await this.bleManager.discoverCharacteristics(data.deviceId, serviceId)
  335. if (characteristics == "") {
  336. console.log("连接失败")
  337. this.disconnect(data)
  338. if (onChanged) {
  339. onChanged(false)
  340. }
  341. return
  342. }
  343. console.log('device特征值:', characteristics)
  344. let uuids = ["AB01", "FFC1"];
  345. for (let i = 0; i < characteristics.length; i++) {
  346. let charc = characteristics[i];
  347. if (uuids.includes(charc.uuid.toUpperCase())) {
  348. console.log('有特征值:', charc.uuid);
  349. }
  350. if (charc.properties.notify) {
  351. console.log('订阅数据:', charc.uuid);
  352. // 订阅的
  353. this.bleManager.notifyCharacteristicValueChange(charc.uuid, (res) => {
  354. BtParse.parseTLV(res);
  355. })
  356. }
  357. if (charc.properties.write || charc.properties.writeWithoutResponse) {
  358. // 写入的
  359. this.bleManager.setWrite(charc, charc.uuid)
  360. setTimeout(() => {
  361. this._connectSuccess()
  362. }, 100);
  363. if (onChanged) {
  364. onChanged(true)
  365. }
  366. }
  367. // if (charc.properties.read) {
  368. // var chara = await this.bleManager.readCharacteristicValue(charc.uuid,)
  369. // }
  370. }
  371. // this.setData({ characteristics: { ...this.data.characteristics, [service.uuid]: characteristics } });
  372. }
  373. async disconnect() {
  374. this.bleManager.disconnect()
  375. }
  376. async dispose() {
  377. // await this._helper.dispose();
  378. }
  379. async sendNow(cmd) {
  380. if (cmd) {
  381. this.bleManager.sendData(cmd)
  382. }
  383. }
  384. async send(cmd, type) {
  385. if (cmd) {
  386. this.queueManager.addTask(cmd)
  387. }
  388. // QueueManager.instance.addTask({ task: cmd });
  389. }
  390. // onLoad: function () {
  391. // bleManager = new bleManager();
  392. // this.initBluetooth();
  393. // }
  394. async initBluetooth(callback) {
  395. var that = this;
  396. ///是否已打开蓝牙
  397. var adpter = await that.bleManager.initBluetoothAdapter((res) => {
  398. if (!res) {
  399. wx.showToast({
  400. title: '请开启蓝牙功能',
  401. icon: 'none',
  402. })
  403. if (callback) {
  404. callback(false, false)
  405. }
  406. return
  407. }
  408. ///获取蓝牙权限
  409. console.log("gadsfadfqwerqwerqr==111====" + res);
  410. that.bleManager.checkBluetoothPermission(function (per) {
  411. if (!per) {
  412. wx.showToast({
  413. title: '没有蓝牙权限',
  414. icon: 'none',
  415. });
  416. return;
  417. }
  418. if (callback) {
  419. callback(adpter, per)
  420. }
  421. });
  422. });
  423. }
  424. async getConnectedDevices() {
  425. var that = this;
  426. try {
  427. const connectedDevices = await that.bleManager.getConnectedDevices();
  428. console.log("全部设备1:", connectedDevices)
  429. if (connectedDevices.length) {
  430. // todo 已经连接上的设备
  431. }
  432. const allDevices = await that.bleManager.getAllConnectedDevices()
  433. console.log("全部设备2:", allDevices)
  434. let newDevices = connectedDevices.concat(allDevices);
  435. return newDevices
  436. } catch (error) {
  437. console.error(error);
  438. return []
  439. }
  440. }
  441. async checkDevice() {
  442. var that = this;
  443. // console.log("校验设备:", BtCmd); // 输出: EarPhone Info
  444. that.sendNow(BtCmd.checkDevice());
  445. //2.0有发这个,不知道是啥
  446. that.send([0x54, 0x44, 0x44, 0x48, 0x01, 0x09, 0x26, 0x01, 0x01]);
  447. }
  448. async getVersion() {
  449. var that = this;
  450. that.send(BtCmd.queryVersion());
  451. }
  452. _time() {
  453. return 400;
  454. }
  455. getDeviceInfo() {
  456. var that = this;
  457. // if (DeviceManager.instance.isEarphone) {
  458. // that.send(BtCmd.queryKwhEarPhone);
  459. // that.send(BtCmd.queryLowDelayMode);
  460. // that.send(BtCmd.queryEQ);
  461. // that.send(BtCmd.queryLowPower);
  462. // that.send(BtCmd.queryCtrlStatus);
  463. // } else {
  464. // that.send(BtCmd.setDevTime());
  465. that.send(BtCmd.queryKwh());
  466. that.getSleep();
  467. that.getAlert();
  468. that.send(BtCmd.queryRGB());
  469. that.getVolume();
  470. // that.setVolume(8)
  471. that.getPauseSleep();
  472. // that.send(BtCmd.getClientType());
  473. that.send(BtCmd.getIsConnect());
  474. // that.send(BtCmd.getMac());
  475. // }
  476. }
  477. async getAlert() {
  478. var that = this;
  479. that.send(BtCmd.queryAlarm());
  480. }
  481. async getSleep() {
  482. var that = this;
  483. that.send(BtCmd.querySleep());
  484. }
  485. async setAlert(open, weekCycle, hour, minutes, channel = 1) {
  486. var that = this;
  487. that.send(BtCmd.setAlarm({
  488. switchStatus: open,
  489. weekCycle,
  490. hour,
  491. minutes
  492. }));
  493. }
  494. async setAutoPlay(open) {
  495. var that = this;
  496. that.send(BtCmd.setAutoPlay(open));
  497. }
  498. async getAutoPlay() {
  499. var that = this;
  500. that.send(BtCmd.getAutoPlay);
  501. }
  502. async setLowKwhWarningTone(notify) {
  503. var that = this;
  504. that.send(BtCmd.setLowKwhWarningTone(notify));
  505. }
  506. async setPauseSleep(time) {
  507. var that = this;
  508. that.send(BtCmd.setSleepAfterPlayPause(time));
  509. }
  510. async getPauseSleep() {
  511. var that = this;
  512. that.send(BtCmd.querySleepAfterPlayPause());
  513. }
  514. async setRGB(r, g, b) {
  515. var that = this;
  516. that.send(BtCmd.setRGB({
  517. r,
  518. g,
  519. b
  520. }));
  521. }
  522. async setSleep(open, hour, minutes) {
  523. var that = this;
  524. let defaultMin = minutes ?? 10;
  525. let defaultHour = hour ?? 0;
  526. that.send(BtCmd.setSleep({
  527. switchStatus: open,
  528. defaultHour,
  529. defaultMin
  530. }));
  531. }
  532. async setTime() {
  533. console.log("setTime========111")
  534. // this.send(BtCmd.setTime());
  535. }
  536. async setVolume(volume) {
  537. var that = this;
  538. // VolumeUtil.setVolume(volume, { hideVolumeView: true });
  539. const phoneMax = 15; //await VolumeUtil.getMaxVolume();
  540. const result = Math.floor(CmdBase.volumeMax * volume / phoneMax);
  541. console.log(`phoneMax=${phoneMax}, deviceMax=${CmdBase.volumeMax}, setVolume=${volume}, result=${result}`);
  542. that.send(BtCmd.setVolume(8));
  543. }
  544. async getVolume() {
  545. var that = this;
  546. that.send(BtCmd.queryVolume());
  547. }
  548. stop() {
  549. // EventManager.fire({ event: 'playStatus', playStatus: EnumPlayStatus.stop.index });
  550. }
  551. next() {
  552. // TODO: implement next
  553. }
  554. pause() {
  555. // EventManager.fire({ event: 'playStatus', playStatus: EnumPlayStatus.pause.index });
  556. }
  557. play() {
  558. // TODO: implement play
  559. }
  560. previous() {
  561. // TODO: implement previous
  562. }
  563. startVoiceRecordResponse(supplier) {
  564. console.log(`回调开始录音:${supplier}`);
  565. // switch (supplier) {
  566. // case EnumSupplier.jieLi:
  567. // this.send(BtCmd.jlStartVoiceResponse);
  568. // break;
  569. // case EnumSupplier.lingXin:
  570. // this.send(BtCmd.lxStartVoiceResponse);
  571. // break;
  572. // case EnumSupplier.qiXinWei:
  573. // this.send(BtCmd.b1StartVoiceResponse);
  574. // break;
  575. // }
  576. }
  577. stopVoiceRecordResponse(supplier) {
  578. console.log(`回调结束录音:${supplier}`);
  579. // switch (supplier) {
  580. // case EnumSupplier.jieLi:
  581. // this.send(BtCmd.jlStopVoiceResponse());
  582. // break;
  583. // case EnumSupplier.lingXin:
  584. // this.send(BtCmd.lxStopVoiceResponse());
  585. // break;
  586. // case EnumSupplier.qiXinWei:
  587. // this.send(BtCmd.b1StopVoiceResponse());
  588. // break;
  589. // }
  590. }
  591. async getLowDelayMode() {
  592. var that = this;
  593. that.send(BtCmd.queryLowDelayMode());
  594. }
  595. async setLowDelayMode(open, mode) {
  596. // 0 open,
  597. // 1 close,
  598. // mode 1:音乐 , 2: 游戏 , 3: movie
  599. var that = this;
  600. that.send(BtCmd.setLowDelayMode({
  601. open,
  602. mode
  603. }));
  604. }
  605. async setLowPowerMode(isOpen) {
  606. var that = this;
  607. that.send(BtCmd.setLowPowerMode({
  608. isOpen: isOpen ? EnumOpen.open : EnumOpen.close
  609. }));
  610. }
  611. async queryLowPower() {
  612. var that = this;
  613. that.send(BtCmd.queryLowPower());
  614. }
  615. async setCtrlStatus(singleClick, doubleClick, longClick) {
  616. var that = this;
  617. that.send(BtCmd.setCtrlStatus({
  618. singleClick,
  619. doubleClick,
  620. longClick
  621. }));
  622. }
  623. async getEQ() {
  624. var that = this;
  625. that.send(BtCmd.queryEQ());
  626. }
  627. async setEQ(list) {
  628. var that = this;
  629. that.send(BtCmd.setEQ({
  630. list
  631. }));
  632. }
  633. async queryLowKwhWarningTone() {
  634. var that = this;
  635. that.send(BtCmd.queryLowKwhWarningTone());
  636. }
  637. async changeChannelCallBack() {
  638. var that = this;
  639. that.send(Uint8Array.from([0x54, 0x44, 0x44, 0x48, 0x01, 0x0a, 0x29, 0x02, 0x00, 0x01]));
  640. that.send(Uint8Array.from([0x54, 0x44, 0x44, 0x48, 0x01, 0x09, 0x39, 0x01, 0x00]));
  641. }
  642. /* 黑胶音箱的指令 */
  643. // 壁纸指令 1开始, 0结束
  644. static wallPaper(value) {
  645. var that = this;
  646. that.send(BtCmd.wallPaper(value));
  647. }
  648. // 壁纸指令
  649. static wallPaperData(value) {
  650. var that = this;
  651. that.send(BtCmd.wallPaperData(value));
  652. }
  653. // 背景图指令
  654. static backgroudImg(value) {
  655. var that = this;
  656. that.send(BtCmd.backgroudImg(value));
  657. } // 背景图指令
  658. static backgroudImgData(value) {
  659. var that = this;
  660. that.send(BtCmd.backgroudImgData(value));
  661. }
  662. // OTA指令
  663. static otaCmd(value) {
  664. var that = this;
  665. that.send(BtCmd.otaCmd(value));
  666. }
  667. static otaData(value) {
  668. var that = this;
  669. that.send(BtCmd.otaData(value));
  670. }
  671. async closeBle() {
  672. var that = this;
  673. that.bleManager.closeBle();
  674. await that.bleManager.stopScan();
  675. }
  676. }
  677. // 导出 BtHelper 类
  678. // const btHelper = new BtHelper();
  679. module.exports = {
  680. BtHelper
  681. }