xuezichuangke/service/BluWkm.js

// 安卓平台上，在调用 notifyBLECharacteristicValueChange 成功后立即调用 writeBLECharacteristicValue 接口，在部分机型上会发生 10008 系统错误
var app = getApp()
const cmd = {
  heartBeat: 'heart', // 心跳包
  unlock: 'openBike', // 开锁命令
  lock: 'lock', // 开锁命令
  bell: 'bellBike', // 关锁命令
  temporaryUnlockBike: 'temporaryUnlockBike', // 关锁命令
  temporaryLockBike: 'temporaryLockBike', // 关锁命令
  batteryUnlock: 'batteryUnlock', // 关锁命令
  batteryLock: 'batteryLock', // 关锁命令
  // login: 'login', // 关锁命令
  status: 'status', // 关锁命令
}
const errorCode = {
  no_connection: 10006, //失去连接
  no_service: 10004, //没有找到指定服务
  apdater_no_avilable: 10001, //当前蓝牙适配器不可用
  discovery_timeOut: 1100, //扫描失败
  connet_timeOut: 10003 //连接超时
}
let util = require('../utils/bluUtil.js')
let dataTransition = require('../utils/dataTransition.js')
class BluetoothManager {
  constructor() {
    this._connectDeviceName = 'shanxiango'
    this._isFoundDevice = false
    this._deviceId = ''
    this._serviceId = ''
    this._bikeMainId = ''
    this._mac='',
    this._sequenceId = 10
    this._characteristicId = ''
    this._characteristicId_write = ''
    this._discovering = false
    this.discoveryTimeOut = 10 * 1000
    this.isConnecting = false
    this.isAuth = false
    this.connnectTimeOut = 5 * 1000 //连接超时时间
    this.hardwareCallbackTimeOut = 5 * 1000 //硬件回调超时时间
    this.adapterStateChangeCallBack = undefined
    this.onConnectionStateChange = undefined
    this.heartTimer = ''
    // 处理接受数据
    this._receiveLength = 0
    this._receiveData = ''
    // this.initialNotification()
    this.readyStopDiscovery = false //标记准备关闭扫描
  }
  /*******初始化各种回调**********/
  initialNotification() {
    console.log('initialNotification')
    // this.getConnectedBluetoothDevices()
    // 监听蓝牙适配器状态改变
    wx.onBluetoothAdapterStateChange(
      res => {
        console.log('onBluetoothAdapterStateChange', res)
        if (this.adapterStateChangeCallBack) {
          this.adapterStateChangeCallBack(res)
        }
        if(res.available==false){
          this.isConnecting = false
        }
      }
    )
    // // 监听扫描到的设备
    wx.onBluetoothDeviceFound(
      res => {
        console.log('监听扫描到的设备')
        if (this._isFoundDevice){
          return
        }

        for (var i = 0; i < res.devices.length; i++) {
          const device = res.devices[i];
          var name = device.name
          if (name === 'shanxiango') {

            if (device.localName != name) return;
            if (name != this._connectDeviceName) return;
            let bf = device.advertisData.slice(2, 10);
            var abc = util.ab2hex(bf)

            let contentArr = util.strAverage2Arr(abc, 2)
            contentArr.reverse();
            var string = contentArr.join('').toUpperCase() //mac地址

            console.log(string,'Mead===>',res.devices[i],this._mac)

            if (!this._isFoundDevice && name == this._connectDeviceName) {
              // 获取车辆中控编号
              console.log(this._mac)
              if (string == this._mac) {
                console.log('-------found ---', device.name, string)
                this._isFoundDevice = true
                this._deviceId = device.deviceId
                if (this.deviceFoundBlock) {
                  this.deviceFoundBlock(device.deviceId)
                }
                break
                return
              }
            }
          }
        }
      }
    )

    // 监听蓝牙连接状态
    wx.onBLEConnectionStateChange(
      res => {
        console.log(res)
        console.log('监听蓝牙连接状态', res, this._deviceId)
        this.isConnecting = res.connected
        if (res.deviceId == this._deviceId && res.connected == false) {
          console.log('onBLEConnectionStateChange fail', this._connectionFailBlock);

          if (this._connectionFailBlock) {
            // wx.showModal({
            //   title: '提示',
            //   content: '蓝牙连接超时',
            //   showCancel: false
            // })
            wx.hideLoading()
            this._connectionFailBlock(res)
            this._connectionFailBlock = undefined
          }
          if (this.onConnectionStateChange) {
            this.onConnectionStateChange(res)
          }

          wx.closeBLEConnection({
            deviceId: this._deviceId,
            success: function (res) {
              console.log('closeBLEConnection', res)
            },
          })
        }
      }
    )

    // 监听特征值变化
    wx.onBLECharacteristicValueChange(
      characteristic => {
        console.log('监听特征值变化', characteristic)
        if (characteristic.value) {
          let res = characteristic.value
          let resData = util.ab2hex(res.value);
          if (this._receiveLength == 0) {
            this._receiveLength = parseInt(resData.slice(8, 12), 16)
          }
          this._receiveData += resData
          if (this._receiveData.length === (this._receiveLength * 2 + 16)) {
            let _receiveData = this._receiveData
            console.log(_receiveData, '_receiveData')
            let flay = _receiveData.slice(0, 4)
            let crc16 = _receiveData.slice(12, 16);
            let systemState = _receiveData.slice(4, 6); //4c
            let sequenceId_16 = _receiveData.slice(6, 8); //0a
            let body = _receiveData.slice(16)
            let contentArr = util.addFlagBeforeArr(util.strAverage2Arr(body, 2));
            //校检数据
            if (parseInt(dataTransition.getCRC16(contentArr), 16) == parseInt(crc16, 16)) {
              let value = util.hexStringToArrayBuffer(`aa12${systemState}${sequenceId_16}00000000`);
              if (flay === 'aa10') {
                if (body.indexOf('aa10550b') > -1) {
                  if (this.getRandomSuccessBlock) {
                    this.getRandomSuccessBlock(body)
                    this.getRandomSuccessBlock = undefined
                  }
                }
                console.log('指令发送成功', body)
              } else if (flay === 'aa00') {} else if (flay === 'aa30') {
                console.log('校检错误')
              } else {
                // this.writeBLECharacteristicValue(value)
                // that.analysisBLEContent(body)
              }
            }
            // 返回ACK
            this._receiveLength = 0
            this._receiveData = ''
          }
        }
      }
    )
  }
  
  failToGetConnected() {
    var that = this;
    if (!that.getConnectedTimer) {
      clearTimeout(that.getConnectedTimer);
      that.getConnectedTimer = null;
    }
    that.getConnectedTimer = setTimeout(function () {
      wx.getBluetoothAdapterState({
        success: function (res) {
          console.log(res);
          var available = res.available;
          if (!available) {
            wx.showLoading({
              title: '请开蓝牙',
              icon: 'loading',
              duration: 2000
            })
          } else {
            if (!that.connectedDevice['state']) {
              that.getConnectedBluetoothDevices();
            }
          }
        },
        fail: function (err) {
          console.log(err);
        }
      })
    }, 5000);
  }
  /***********初始化接口***************/
  connectDeivece(bikeMainId, command = false) {

    console.log(this.isConnecting,this._bikeMainId,bikeMainId,cmd)
    if (this.isConnecting && bikeMainId == this._bikeMainId ){
      if (command == cmd.unlock) {
        return this.unlockBike()
      } else if (command == cmd.lock) {
        return this.lockBike()
      } else if (command == cmd.bell) {
        return this.play_voice()
      } else if (command == cmd.batteryUnlock) {
        return this.diankai()
      }
      return
    } else{
      if (this._deviceId) {
        this.closeConnection(this._deviceId)
      }
    }

    this._bikeMainId = bikeMainId //当前车辆编号
    // 初始化蓝牙
    this.initialNotification()

    return this.openAdapter().then(res=>{
      return this.getSecretKey()
    }).then(res => {
      return this.startDiscovery()
    }).then(
      res => {
        console.log('startDiscovery---------')
        this._discovering = true
        // 等待发现设备
        return this.waitForDeviceFound()
      },
      reject => {
        console.log(reject)
      }
    ).then(
      res => {
        console.log('stopDiscovery---------')
        this.readyStopDiscovery = true
        //关闭扫描
        return this.stopDiscovery()
      }
    ).then(
      res => {
        this.readyStopDiscovery = false
        this._discovering = false
        console.log('createConnection---------', res)
        //开始连接设备
        console.log(this._deviceId)
        return this.createConnection(this._deviceId)
      }
    ).then(
      res => {
        console.log('getServices---------', res)
        // 获取服务
        return this.getServices(this._deviceId)
      }
    ).then(
      res => {
        console.log('getCharacteristics---------', res)
        // 获取特征值
        return this.getCharacteristics(this._deviceId, this._serviceId)
      }
    ).then(
      res => {
        console.log('openNotifyChsValueChange---------', res)
        // 开启notify通道
        console.log('开启notify通道')
        console.log(this._deviceId, '=>', this._serviceId, '<++', this._characteristicId)
        return this.openNotifyChsValueChange(this._deviceId, this._serviceId, this._characteristicId)
      }
    ).then(
      res => {
        return this.onBLECharacteristicValueChange()
      }
    ).then(
      res => {
        if (command == cmd.unlock) {
          return this.unlockBike()
        } else if (command == cmd.lock) {
          return this.lockBike()
        } else if (command == cmd.bell) {
          return this.play_voice()
        } else if (command == cmd.batteryUnlock) {
          return this.diankai()
        }
        return
      }
    )
  }
  // 监听特征值变化
  onBLECharacteristicValueChange() {
    let that = this
    wx.onBLECharacteristicValueChange(
      characteristic => {
        console.log('onBLECharacteristicValueChange', characteristic)
        if (characteristic.value) {
          let res = characteristic.value
          let resData = util.ab2hex(res);

          if (this._receiveLength == 0) {
            this._receiveLength = parseInt(resData.slice(8, 12), 16)
          }
          this._receiveData += resData
          if (this._receiveData.length === (this._receiveLength * 2 + 16)) {
            let _receiveData = this._receiveData
            console.log(_receiveData)
            let flay = _receiveData.slice(0, 4)
            let crc16 = _receiveData.slice(12, 16);
            let systemState = _receiveData.slice(4, 6); //4c
            let sequenceId_16 = _receiveData.slice(6, 8); //0a
            let dcArr = [];
            let body = _receiveData.slice(16)
            let contentArr = util.addFlagBeforeArr(util.strAverage2Arr(body, 2));
            //校检数据
            if (parseInt(dataTransition.getCRC16(contentArr), 16) == parseInt(crc16, 16)) {
              let response = util.hexStringToArrayBuffer(`aa12${systemState}${sequenceId_16}00000000`);
              if (flay === 'aa10') {
                console.log(this.getRandomSuccessBlock, 'getRandomSuccessBlock')
                if (this.getRandomSuccessBlock) {
                  this.getRandomSuccessBlock(body)
                  this.getRandomSuccessBlock = undefined
                }
                console.log('指令发送成功', body)
              } else if (flay === 'aa00') {} else if (flay === 'aa30') {
                console.log('CRC校验失败', body);
              } else {
                //响应数据
                // that.writeBLECharacteristicValue(response, undefined)
                // that.analysisBLEContent(body)
              }
            }
            this._receiveLength = 0
            this._receiveData = ''
          }
        }
      }
    )
  }
  //获取秘钥
  getSecretKey(box_no) {
    if (!box_no) box_no = this._bikeMainId
    let that = this;
    if(box_no== wx.getStorageSync('box_no')) return;
    return new Promise(function (res, rej) {
      let param = {
        box_no: box_no, //我公司是通过设备编号获取的密钥
      };
      app.request('/blu/get-key',param,'GET').then(resp=>{
        that._mac = resp.data.key
          res(resp.data.key);
          wx.setStorageSync('box_no', box_no)
      })
    });
  }
  waitForDeviceFound() {
    return new Promise(
      (resolve, reject) => {
        this.deviceFoundBlock = resolve
        console.log('waitForDeviceFound ----')
        console.log(this._discovering, '<==>', !this._isFoundDevice)
        setTimeout(() => {
          console.log('waitForDeviceFound ++++', this._discovering, this._isFoundDevice)
          // 全局断了，_discovering 变为false（发心跳包失败，closeApater引起）
          console.log(this._discovering, '==>', !this._isFoundDevice)
          if (this._discovering && !this._isFoundDevice) {
            console.log('waitForDeviceFound 扫描超时00', 'isconnecting :', this.isConnecting)
            reject({
              errCode: errorCode.discovery_timeOut
            })
          }
          if (this._discovering) {
            this.stopDiscovery()
          }
        }, this.discoveryTimeOut);
      }
    )
  }
  disconnecDevice() {
    return this.closeConnection(this._deviceId).then(
      res => {
        return this.closeAdapter()
      }
    )
  }
  /***********初始化接口***************/
  /***********蓝牙处理*************/
  // 打开适配器
  openAdapter() {
    console.log('打开适配器')
    return new Promise(
      (resolve, reject) => {
        wx.openBluetoothAdapter({
          success: resolve,
          fail: reject
        })
      }
    )
  }
  // 关闭适配器
  closeAdapter() {
    console.log('关闭适配器')
    this._isFoundDevice = false
    this._discovering = false
    this.isConnecting = false
    this.adapterStateChangeCallBack = undefined
    this.onConnectionStateChange = undefined
    return new Promise(
      (resolve, reject) => {
        this.isOpenAdpater = false
        this.isConnecting = false
        wx.closeBluetoothAdapter({
          success: resolve,
          fail: reject
        })
      }
    )
  }
  // 开启扫描
  startDiscovery() {
    console.log('开启扫描')
    return new Promise(
      (resolve, reject) => {
        wx.startBluetoothDevicesDiscovery({
          services: ['FFF0'],
          allowDuplicatesKey: true,
          success: resolve,
          fail: reject
        })
      }
    )
  }
  // 关闭扫描
  stopDiscovery() {
    console.log('关闭扫描')
    this._isFoundDevice = false
    return new Promise(
      (resolve, reject) => {
        wx.stopBluetoothDevicesDiscovery({
          success: resolve,
          fail: reject
        })
      }
    )
  }
  // 创建连接
  createConnection(deviceId) {
    console.log('创建连接')

    return new Promise(
      (resolve, reject) => {
        this._connectionFailBlock = undefined
        this._connectionFailBlock = reject
        // this._needToToastConnectError = true
        console.log(deviceId)
        console.log(this.connnectTimeOut)

        wx.createBLEConnection({
          deviceId: deviceId,
          // timeout: this.connnectTimeOut,
          success: res => {
            console.log('--------createConnection success', res)
            //  创建成果并不代表发指令成功，有可能连接连接创建成功了，但是发指令的时候连接中断了
            resolve(res)
          },
          fail: error => {
            console.log('--------createConnection fail', error)
            this._connectionFailBlock = undefined
            reject(error)
          }
        })
      }
    )
  }
  // 关闭连接
  closeConnection(deviceId) {
    console.log('关闭连接')
    return new Promise(
      (resolve, reject) => {
        wx.closeBLEConnection({
          deviceId: deviceId,
          success: resolve,
          fail: reject
        })
      }
    )
  }
  // 获取服务
  getServices(deviceId) {
    console.log('获取服务')
    let that = this
    return new Promise(
      (resolve, reject) => {
        this._connectionFailBlock = undefined
        this._connectionFailBlock = reject
        wx.getBLEDeviceServices({
          deviceId: deviceId,
          success: res => {
            console.log('getServices success', res)
            if (res.errCode === 0) {
              res.services.forEach(function (value, index, array) {
                console.log("设备所有的UUId", value.uuid);
                if (value.uuid.indexOf(that._serviceId) > -1) { //找到serviceId包含FEF6的服务
                  that._serviceId = array[index].uuid;
                  // resolve(serviceId)
                }
              })
            }
            resolve(res)
          },
          fail: error => {
            console.log('getServices fail', error)
            reject(error)
          }
        })
      }
    )
  }
  // 获取特征值
  getCharacteristics(deviceId, serviceId) {
    console.log('获取特征值')
    let that = this
    return new Promise(
      (resolve, reject) => {
        this._connectionFailBlock = undefined
        this._connectionFailBlock = reject
        wx.getBLEDeviceCharacteristics({
          deviceId: deviceId,
          serviceId: serviceId,
          success: res => {
            console.log('getCharacteristics success', res)
            for (let i = 0; i < res.characteristics.length; i++) {
              if (res.characteristics[i].properties.notify && !res.characteristics[i].properties.write)
                that._characteristicId = res.characteristics[i].uuid; //读的uuid
              if (res.characteristics[i].properties.write)
                that._characteristicId_write = res.characteristics[i].uuid; //写的uuid
            }
            resolve(res)
          },
          fail: error => {
            console.log('getCharacteristics fail', error)
            reject(error)
          }
        })
      }
    )
  }
  // 开启notify功能，订阅特征值
  openNotifyChsValueChange(deviceId, serviceId, characteristicId) {
    let that = this
    return new Promise(
      (resolve, reject) => {
        this._connectionFailBlock = undefined
        this._connectionFailBlock = reject
        wx.notifyBLECharacteristicValueChange({
          deviceId: deviceId,
          serviceId: serviceId,
          characteristicId: characteristicId,
          state: true,
          success: res => {
            console.log('openNotifyChsValueChange success', res)
            resolve(res)
          },
          fail: error => {
            console.log('openNotifyChsValueChange fail', error)
            reject(error)
          }
        })
      }
    )
  }
  /***********蓝牙处理*************/
  /*********action**********/
  // //获取随机数
  // getRandom() {
  //   return new Promise(
  //     (resolve, reject) => {
  //       console.log('---getRandom---')
  //       // this.sendCommand(cmd.status, undefined, reject);
  //       // this.unlockBike()
  //       this.getRandomSuccessBlock = resolve
  //       setTimeout(
  //         () => {
  //           console.log('---getRandom-超时回调ing--', )
  //           if (this.getRandomSuccessBlock) {
  //             console.log('---getRandom-超时了--')
  //             this.getRandomSuccessBlock = undefined
  //             reject({
  //               errMsg: '硬件校验超时'
  //             })
  //           }
  //         }, this.hardwareCallbackTimeOut
  //       )
  //     }
  //   )
  // }

  // bellBike() {

  //   return new Promise(
  //     (resolve, reject) => {
  //       // this.sendCommand(0x11, this.randomArray);
  //       this.bellSuccessBlock = resolve
  //       // this.sendCommand(cmd.bell, '', reject);

  //       setTimeout(
  //         () => {
  //           console.log('---bellBike-超时回调')
  //           if (this.bellSuccessBlock) {
  //             this.bellSuccessBlock = undefined
  //             console.log('---bellBike-超时了--')
  //             reject({
  //               errCode: errorCode.connet_timeOut,
  //               errMsg: '寻铃超时'
  //             })
  //           }
  //         }, this.hardwareCallbackTimeOut
  //       )

  //     }
  //   )

  // }

  //开锁
  unlockBike() {
    var key2 = ['0x42', '0x44', '0x00', '0x01', '0x0A', '0x0A', '0x05', '0x05', '0x02', '0x01', '0x01']
    let value = util.CRC(key2)
    console.log(value)
    var value1 = '424400010A0A0505020101' + value
    console.log(value1)
    this.writeBLECharacteristicValue(util.hexStringToArrayBuffer(value1), '123')
    //播放语音
    var key5 = ['0x42', '0x44', '0x00', '0x01', '0x0A', '0x0A', '0x05', '0x05', '0x0A', '0x07', '0x01', '0x02', '0x00', '0x00', '0x00', '0x00', '0x00']
    let value2 = util.CRC(key5)
    var value3 = '424400010A0A05050A0701020000000000' + value2
    this.writeBLECharacteristicValue(util.hexStringToArrayBuffer(value3), '123')
  }
  //发送关锁指令
  lockBike() {
    var key2 = ['0x42', '0x44', '0x00', '0x01', '0x0A', '0x0A', '0x05', '0x05', '0x02', '0x01', '0x02']
    let value = util.CRC(key2)
    console.log(value)
    var value1 = '424400010A0A0505020102' + value
    console.log(value1)
    this.writeBLECharacteristicValue(util.hexStringToArrayBuffer(value1))
    //播放语音
    var key5 = ['0x42', '0x44', '0x00', '0x01', '0x0A', '0x0A', '0x05', '0x05', '0x0A', '0x07', '0x01', '0x01', '0x00', '0x00', '0x00', '0x00', '0x00']
    let value2 = util.CRC(key5)
    var value3 = '424400010A0A05050A0701010000000000' + value2
    this.writeBLECharacteristicValue(util.hexStringToArrayBuffer(value3))
  }
  play_voice() {
    var key5 = ['0x42', '0x44', '0x00', '0x01', '0x0A', '0x0A', '0x05', '0x05', '0x0A', '0x07', '0x01', '0x09', '0x00', '0x00', '0x00', '0x00', '0x00']
    let value = util.CRC(key5)
    console.log(value)
    var value1 = '424400010A0A05050A0701090000000000' + value
    console.log(value1)
    this.writeBLECharacteristicValue(util.hexStringToArrayBuffer(value1))
  }
  diankai() {
    var key3 = ['0x42', '0x44', '0x00', '0x01', '0x0A', '0x0A', '0x05', '0x05', '0x05', '0x01', '0x01']
    let value = util.CRC(key3)
    console.log(value)
    var value1 = '424400010A0A0505050101' + value
    console.log(value1)
    this.writeBLECharacteristicValue(util.hexStringToArrayBuffer(value1))
  }
  // 发送心跳包
  // heartBeat() {
  //   console.log('发送心跳包')
  //   let that = this
  //   return new Promise(
  //     (resolve, reject) => {
  //       console.log(resolve)
  //       console.log(reject)
  //       that.heartSuccessBlock = resolve
  //       that.heartTimer = setTimeout(
  //         () => {
  //           if (that.heartSuccessBlock) {
  //             var key2 = ['0x42', '0x44', '0x00', '0x01', '0x0A', '0x0A', '0x05', '0x05', '0x01', '0x00']
  //             let value = util.CRC(key2)
  //             var value1 = '424400010A0A05050100' + value
  //             // this.writeBLECharacteristicValue(util.hexStringToArrayBuffer(value1))
  //             var key5 = ['0x42', '0x44', '0x00', '0x01', '0x0A', '0x0A', '0x05', '0x05', '0x0A', '0x07', '0x01', '0x01', '0x00', '0x00', '0x00', '0x00', '0x00']
  //             let value2 = util.CRC(key5)
  //             var value3 = '424400010A0A05050A0701010000000000' + value2
  //             // this.writeBLECharacteristicValue(util.hexStringToArrayBuffer(value3))
  //             that.heartSuccessBlock = undefined
  //             reject({
  //               errCode: errorCode.connet_timeOut,
  //               errMsg: '超时'
  //             })
  //           }
  //         }, 30 * 1000
  //       )
  //     }
  //   )
  // }
  /*********action**********/



  /*******util*********/
  //发送指令
  // sendCommand(commandCode, dataArray, reject) {
  //   let data = this.generateCommandData(commandCode, dataArray);

  //   this._connectionFailBlock = undefined
  //   this._connectionFailBlock = reject

  //   var dataLen = Math.ceil(data.length / 40);
  //   console.log(dataLen, 'datalen')
  //   if (dataLen > 1) { //3
  //     for (let i = 0; i < data.length; i += 40) {

  //       let value = util.hexStringToArrayBuffer(data.slice(i, i + 40));
  //       console.log("分包发送的数据", data.slice(i, i + 40))
  //       //使用了重发机制，在此不做定时处理
  //       // this.writeBLECharacteristicValue(value, reject);
  //     }
  //   } else {
  //     let value = util.hexStringToArrayBuffer(data);
  //     console.log(value)
  //     // this.writeBLECharacteristicValue(value, reject);
  //   }
  // }
  //发送数据
  writeBLECharacteristicValue(data, reject) {
    console.log(this._deviceId, this._serviceId, this._characteristicId_write, '发送参数')
    wx.writeBLECharacteristicValue({
      deviceId: this._deviceId,
      serviceId: this._serviceId,
      characteristicId: this._characteristicId_write,
      value: data,
      success: res => {
        console.log('writeBLECharacteristicValue success', res)
      },
      fail: err => {
        console.log('writeBLECharacteristicValue fail', err, this._deviceId, this._serviceId, this._characteristicId)
        // if(){
        this.isConnecting = false;
        // }
        reject(err)
        this.closeConnection(this._deviceId)
      }
    })
  }

  /**
   * 根据指令码生成指令帧数据
   * commandCode --> 指令码
   * array --> 额为携带的数据
   */
  // generateCommandData(commandCode, array) {
  //   let sequenceId_16 = dataTransition.getSequenceId(this._sequenceId);
  //   // this._sequenceId++;

  //   let sendData = '';
  //   console.log(commandCode)
  //   // console.log(sequenceId_16)
  //   switch (commandCode) {
  //     case cmd.unlock:
  //       sendData = '03 00 02 01 00';
  //       break
  //     case cmd.lock:
  //       sendData = '03 00 01 01 01';
  //       break;
  //     case cmd.bell:
  //       sendData = '03 00 04 01 01';
  //       break;
  //     case cmd.batteryUnlock:
  //       sendData = '03 00 05 01 01';
  //       break;
  //     case cmd.batteryLock:
  //       sendData = '03 00 05 01 00';
  //       break;
  //     case cmd.temporaryUnlockBike:
  //       sendData = '03 00 02 01 00 07 01 01';
  //       break
  //     case cmd.temporaryLockBike:
  //       sendData = '03 00 07 01 08';
  //       break;
  //     // case cmd.login:
  //     //   // let secretKey = array.key.toString().trim().toLowerCase();
  //     //   console.log(secretKey)
  //     //   // let c = secretKey.toString().replace(/\s+/g, "");
  //     //   // let cLength = dataTransition.getSecretKeyLength(c);
  //     //   //发送内容
  //     //   let send = `02 00 01`; //02 连接命令  01连接请求 cLength秘钥长度。
  //     //   sendData = `${send} ${secretKey}`;
  //     //   console.log(sendData, 'sendValue')
  //     //   break;
  //     case cmd.status:
  //       sendData = '42 44 00 01 0A 0A 05 05'
  //       console.log(sendData)
  //       break
  //     case cmd.ack:
  //       sendData = array.data
  //       break;
  //   }

  //   let header = dataTransition.header(sendData);
  //   console.log(header)
  //   if (commandCode == 'responseAck') {
  //     header = ''
  //   }

  //   let data = header + sendData.replace(/\s+/g, "");
  //   console.log(data)
  //   console.log(`发送${commandCode}指令`, data);

  //   return data;
  // }

  /*******util*********/

}

// export {
//  BluetoothManager
// } 

module.exports = {
  BluetoothManager: BluetoothManager,
  BtErrorCode: errorCode,
  CMD:cmd
}