update status

ble/gdata-characteristic.js

@@ -12,7 +12,7 @@ const notifyDesciptor = new bleno.Descriptor({
 })
 
 class DataCharacteristic extends bleno.Characteristic {
-  constructor() {
+  constructor () {
     super({
       uuid: config.uuid.service.func.data,
       properties: ['write', 'writeWithoutResponse', 'notify'],
@@ -23,15 +23,15 @@ class DataCharacteristic extends bleno.Characteristic {
     this._notifyFunc = null
   }
 
-  onWriteRequest(data, offset, withoutResponse, callback) {
+  onWriteRequest (data, offset, withoutResponse, callback) {
     console.log(`offset :: ${offset} , withoutRes :: ${withoutResponse}`)
     console.log(`get data`, data)
 
-    if (data.length == 1 && data[0] == 0x00) {
+    if (data.length === 1 && data[0] === 0x00) {
       tmp = []
       idx = 0
       failFlag = false
-    } else if (data.length == 1 && data[0] == 0xff) {
+    } else if (data.length === 1 && data[0] === 0xff) {
       console.log(Buffer.from(tmp).toString())
       if (!failFlag) {
         localEvent.emit('print', Buffer.from(tmp).toString())
@@ -53,17 +53,17 @@ class DataCharacteristic extends bleno.Characteristic {
     }
   }
 
-  sendNotidy(str) {
+  sendNotidy (str) {
     if (!this._notifyFunc) return
     this._notifyFunc(Buffer.from(str))
   }
 
-  onSubscribe(maxValueSize, cb) {
+  onSubscribe (maxValueSize, cb) {
     console.log(maxValueSize)
     this._notifyFunc = cb
   }
 
-  onUnsubscribe() {
+  onUnsubscribe () {
     this._notifyFunc = null
   }
 }

ble/index.js

@@ -1,24 +1,21 @@
+const config = require('../config.json')
 const bleno = require('bleno')
 const adapterName = 'BLE_Printer'
 const serverUUID = config.uuid.main
-const localEvent = require('./localEvent')
-const fs = require('fs')
+const localEvent = require('./localEvent') //eslint-disable-line
 const MainService = require('./main-service')
 
 bleno.on('stateChange', state => {
   console.log(`bt device state ${state}`)
-  if (state == 'poweredOn') {
-
-    bleno.startAdvertising(adapterName, [serverUUID], (error) => {
-
-    })
+  if (state === 'poweredOn') {
+    bleno.startAdvertising(adapterName, [serverUUID])
   } else {
     bleno.stopAdvertising()
   }
 })
 
 bleno.on('advertisingStart', function (error) {
-  console.log('on -> advertisingStart: ' + (error ? 'error ' + error : 'success'));
+  console.log('on -> advertisingStart: ' + (error ? 'error ' + error : 'success'))
 
   if (!error) {
     bleno.setServices([new MainService()], error => {

ble/main-service.js

@@ -6,7 +6,7 @@ const GdataCharacteristic = require('./gdata-characteristic')
 const dataCharacteristic = new GdataCharacteristic()
 
 class MainService extends bleno.PrimaryService {
-  constructor() {
+  constructor () {
     super({
       uuid: config.uuid.service.id,
       characteristics: [

ble/time-characteristic.js

@@ -1,24 +0,0 @@
-const bleno = require('bleno')
-const config = require('./config.json')
-
-class TimeCharacteristic extends bleno.Characteristic {
-  constructor() {
-    super({
-      uuid: config.uuid.service.func.time,
-      properties: ['read'],
-      descriptors: [
-        new bleno.Descriptor({
-          uuid: '88ff',
-          value: 'Now Time'
-        })
-      ]
-    })
-  }
-
-  onReadRequest(offset, callback) {
-    console.log(`offset :: ${offset}`)
-    callback(this.RESULT_SUCCESS, new Buffer(`${Date.now()}`))
-  }
-}
-
-module.exports = TimeCharacteristic