修改服務啟動動作與QRCode產生按鈕

1.啟動時連接印表機
2.判斷是否要開啟藍芽
3.畫面加入QRCode產生按鈕，方便APP設定

PrinterDev.js

@@ -85,6 +85,9 @@ class PrinterDevice {
 
     this._printer.cut(true, this._feed || 4)
 
+    this._lastPrint = str
+    this.addCount()
+
     return true
   }
 

app.js

@@ -2,4 +2,9 @@
 process.env.PROJECT_ROOT = __dirname
 
 require('top-level-await')
-require('./server')
+
+try {
+  require('./server')
+} catch (err) {
+  throw err
+}

ble/gdata-characteristic.js

@@ -1,6 +1,6 @@
 const bleno = require('bleno')
-const config = require('./config.json')
-const localEvent = require('./localEvent')
+const config = require('../config.json')
+const localEvent = require('../localEvent')
 
 var tmp = []
 var idx = 0
@@ -14,7 +14,7 @@ const notifyDesciptor = new bleno.Descriptor({
 class DataCharacteristic extends bleno.Characteristic {
   constructor () {
     super({
-      uuid: config.uuid.service.func.data,
+      uuid: config.ble.uuid.characteristic,
       properties: ['write', 'writeWithoutResponse', 'notify'],
       descriptors: [
         notifyDesciptor

ble/index.js

@@ -1,8 +1,7 @@
 const config = require('../config.json')
 const bleno = require('bleno')
 const adapterName = 'BLE_Printer'
-const serverUUID = config.uuid.main
-const localEvent = require('./localEvent') //eslint-disable-line
+const serverUUID = config.ble.uuid.main
 const MainService = require('./main-service')
 
 bleno.on('stateChange', state => {

ble/main-service.js

@@ -1,6 +1,6 @@
 const bleno = require('bleno')
-const config = require('./config.json')
-const localEvent = require('./localEvent')
+const config = require('../config.json')
+const localEvent = require('../localEvent')
 
 const GdataCharacteristic = require('./gdata-characteristic')
 const dataCharacteristic = new GdataCharacteristic()
@@ -8,7 +8,7 @@ const dataCharacteristic = new GdataCharacteristic()
 class MainService extends bleno.PrimaryService {
   constructor () {
     super({
-      uuid: config.uuid.service.id,
+      uuid: config.ble.uuid.service,
       characteristics: [
         dataCharacteristic
       ]

public/css/main.css

@@ -6,4 +6,20 @@ html, body{
 
 .t-right {
   text-align: right;
+}
+
+#qr img {
+  margin: 0 auto;
+}
+
+.clearfix:before,
+.clearfix:after {
+  content: "";
+  display: table;
+}
+.clearfix:after {
+  clear: both;
+}
+.clearfix {
+  *zoom: 1; /*For IE 6&7 only*/
 }

server.js

@@ -20,7 +20,7 @@ let setupMode = false
 
 try {
   let chk = new Promise((resolve, reject) => {
-    fs.access(path.resolve('config.json'), (err) => {
+    fs.access(path.resolve(process.env.PROJECT_ROOT, 'config.json'), (err) => {
       if (err) {
         setupMode = true
         resolve(0)
@@ -59,6 +59,14 @@ if (setupMode) {
 } else {
   console.log(`start normal mode`)
   router = require('./route/dashboard')
+
+  Printer.serial = config.printer.serial
+  Printer.feed = config.printer.feed
+  await Printer.connect()
+
+  if (config.ble.enable) {
+    require('./ble')
+  }
 }
 
 if (router !== null) {
@@ -76,8 +84,7 @@ if (router !== null) {
 
 // listen print event
 localEvent.on('print', str => {
-  Printer.addCount()
-  Printer.lastPrint = str
+  Printer.printerString(str)
 })
 
 ws.on('connection', async (client, req) => {
@@ -120,7 +127,7 @@ ws.on('connection', async (client, req) => {
       return
     }
 
-    switch(m.type){
+    switch (m.type) {
       case 'status':
         client.send(JSON.stringify({ type: 'status', data: json }))
         break
@@ -137,7 +144,7 @@ async function getBTAddr() {
   })
 
   address = address.trim()
-  let arr = address.split(':')
+  let arr = address.split(' ')
   if (arr.length !== 2) return ''
   return arr[1].trim()
 }

views/dashboard/statusview.ejs

@@ -1,5 +1,10 @@
 <div class="ui container">
   <div class="ui grid">
+    <div class="column sixteen wide t-right">
+      <div class="ui segment">
+        <button class="ui button mini" type="button" id="gen-qr">GenerateQR</button>
+      </div>
+    </div>
     <div class="column eight wide">
       <div class="segment ui">
         <h4 class="ui header dividing">藍芽狀態</h4>
@@ -30,16 +35,16 @@
         <div class="ui divided list">
           <div class="item">
             <div class="ui horizontal label basic">連線狀態</div>
-            <div class="description t-right" id="prt-con">Disconnect</div>
+            <div class="description t-right" id="prt-con">Disconnected</div>
           </div>
           <div class="item">
             <div class="ui horizontal label basic">連接埠</div>
             <div class="description t-right" id="prt-port">/dev/ttyUSB0</div>
           </div>
           <div class="item">
-              <div class="ui horizontal label basic">切紙前空行</div>
-              <div class="description t-right" id="prt-feed">8</div>
-            </div>
+            <div class="ui horizontal label basic">切紙前空行</div>
+            <div class="description t-right" id="prt-feed">8</div>
+          </div>
         </div>
       </div>
     </div>
@@ -65,7 +70,19 @@
   </div>
 </div>
 
+<div class="ui page dimmer" id="qr-dimmer">
+  <div class="content">
+    <div class="center" id="qr"></div>
+  </div>
+</div>
+
 <script>
+  var setting = {
+    mac: '',
+    service: '',
+    characteristic: ''
+  }
+
   var ws = new WebSocket('ws://' + location.host)
   ws.onmessage = msg => {
     // console.log(msg)
@@ -76,16 +93,20 @@
       return
     }
 
-    switch(data.type) {
+    switch (data.type) {
       case 'status':
-      console.log(data)
+        console.log(data)
         let d = data.data
         $('#en-ble').text(d.ble.enable ? 'On' : 'Off')
         $('#ble-mac').text(d.ble.mac)
         $('#ble-service').text(d.ble.service)
         $('#ble-character').text(d.ble.characteristic)
 
-        $('#prt-con').text(d.printer.connect ? 'Connect' : 'Disconnect')
+        setting.mac = d.ble.mac
+        setting.service = d.ble.service
+        setting.characteristic = d.ble.characteristic
+
+        $('#prt-con').text(d.printer.connect ? 'Connected' : 'Disconnected')
         $('#prt-port').text(d.printer.serial)
         $('#prt-feed').text(d.printer.feed)
 
@@ -95,4 +116,18 @@
         break
     }
   }
+
+  $('#gen-qr').click(function () {
+    let qrdiv = document.querySelector('div#qr')
+    qrdiv.innerHTML = ''
+    let qr = new QRCode(qrdiv, {
+      text: JSON.stringify(setting, null, 2),
+      colorDark: "#000000",
+      colorLight: "#ffffff",
+      correctLevel: QRCode.CorrectLevel.L
+    })
+    // qr.makeCode(JSON.stringify(setting, null, 2))
+    $('#qr-dimmer').dimmer('show')
+  })
+
 </script>

views/includes/header.ejs

@@ -9,5 +9,6 @@
   <link rel="stylesheet" href="/css/main.css">
   <script src="/js/jquery-3.2.1.min.js"></script>
   <script src="/js/semantic.min.js"></script>
+  <script src="/js/qrcode.min.js"></script>
 </head>
 <body>