miniprogram: add iap mp for ble OTA

This commit is contained in:
royye62
2020-04-14 16:50:37 +08:00
parent e5c71448c7
commit 3500ccd27c
20 changed files with 1792 additions and 0 deletions

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## 蓝牙升级微信小程序源码

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//app.js
App({
globalData: {
},
onLaunch: function () {
this.globalData.SystemInfo = wx.getSystemInfoSync()
//console.log(this.globalData.SystemInfo)
wx.setKeepScreenOn({
keepScreenOn: true
})
},
})

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{
"pages": [
"pages/hardware/ble/index/index",
"pages/hardware/ble/device/index"
],
"window": {
"backgroundTextStyle": "light",
"navigationBarBackgroundColor": "#f8f8f8",
"navigationBarTitleText": "TencentOS tiny 蓝牙OTA示例",
"navigationBarTextStyle": "black",
"backgroundColor": "#f8f8f8"
},
"sitemapLocation": "sitemap.json"
}

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/**app.wxss**/
/* .container {
height: 100%;
display: flex;
flex-direction: column;
align-items: center;
justify-content: space-between;
padding: 100rpx 0;
box-sizing: border-box;
} */
.flex-row {
display: flex;
flex-flow: row nowrap;
}
.flex-row-wrap {
display: flex;
flex-flow: row wrap;
}
.flex-column-reverse {
display: flex;
flex-flow: column-reverse nowrap;
}
.center {
justify-content: center;
align-items: center;
}
.left {
justify-content: flex-start;
align-items: center;
}
.right {
justify-content: flex-end;
align-items: center;
}
.space-between {
justify-content: space-between;
align-items: center;
}
.space-around {
justify-content: space-around;
align-items: center;
}

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// 1. 小程序发布版本或者体验版本连续写ble需要加延时否则会导致写失败1008。本地调试本身有延时因此不需要加需要注释掉
// 2. 安卓系统调试蓝牙会有黏包问题。[ACK, ACK, ..] [C, C] ...
// 3. ymodem.h DOWNLOAD_TIMEOUT 配置需要注意过小的话写block时间过长会导致接收端超时重新进入普通模式
// 4. NAK 重传逻辑暂不支持
// https://www.amobbs.com/thread-5704281-1-1.html
const app = getApp()
const util = require('../../../../utils/util.js');
const bleapi = require('../../../../utils/hardware/ble/ble-api.js');
const Packet = require('../../../../utils/hardware/ble/packet.js')
var msgQueue = []
var fileBuffer
var fileName
var bUse1K = true
var DownLoadMode = 0
const SyncTimeout = 15000 // 等待C
const RecvTimeout = 5000 // 等待ACK
/*
SOH 0x01 协议头(128bytes类型)
STX 0x02 协议头(1k类型)
EOT 0x04 传输结束
ACK 0x06 接收响应
NAK 0x15 失败响应
CAN 0x18 取消传输
C 0x43 开启文件传输
*/
const EOT = 0x04
const ACK = 0x06
const CAN = 0x18
const NAK = 0x15
const C = 0x43
Page({
data: {
device: {
// connected: true,
// deviceId: "90:9A:77:26:5D:64",
// name: "HC-08",
},
receiveText: '',
downloadLog: '',
},
acceptDataFromPrevPage() {
const eventChannel = this.getOpenerEventChannel()
return new Promise((resolve, reject) => {
eventChannel.on('eventData', function (data) {
resolve(data)
})
})
},
onLoad: async function(options) {
console.log(util.formatTime())
let data = await this.acceptDataFromPrevPage()
console.log("accept data from prev page", data)
this.setData({
device: data.device,
})
// 监听低功耗蓝牙连接状态的改变事件。包括开发者主动连接或断开连接,设备丢失,连接异常断开等等
await bleapi.onBLEConnectionStateChange(this.onStateChange)
// 监听低功耗蓝牙设备的特征值变化事件。必须先启用 notifyBLECharacteristicValueChange 接口才能接收到设备推送的 notification
if (this.data.device.characteristic.properties.notify == true) {
console.log("notifyBLECharacteristicValueChange and register value change callback")
await bleapi.notifyBLECharacteristicValueChanged(
this.data.device.deviceId,
this.data.device.service.uuid,
this.data.device.characteristic.uuid)
await bleapi.onBLECharacteristicValueChange(this.onMessage)
}
},
onUnload: function(e) {
let deviceId = this.data.device.deviceId
console.log("onUnload close the ble connection", deviceId)
bleapi.closeBLEConnection(deviceId)
},
onStateChange: function(res) {
console.log("onBLEConnectionStateChange", res.connected)
this.setData({
[`device.connected`]: res.connected
})
},
formSubmit: async function(e) {
console.log(e.detail.value)
let value = e.detail.value.textarea
try {
await this.writeData(util.str2abUint8(value))
wx.showToast({
icon: 'none',
title: '写数据成功',
duration: 1000,
})
} catch (e) {
wx.showToast({
icon: 'none',
title: '写数据失败',
duration: 2000,
})
}
},
formReset(e) {
console.log(e)
this.setData({
inputText: '',
})
},
bindTextAreaBlur: function(e) {
console.log(e.detail.value)
this.setData({
inputText: e.detail.value,
})
},
chose: function() {
wx.chooseMessageFile({
count: 1,
type: 'file',
success: (res) => {
console.log(res)
fileName = res.tempFiles[0].name
wx.getFileSystemManager().readFile({
filePath: res.tempFiles[0].path,
// encoding: 'binary',
success: (res2) => {
console.log(res2)
fileBuffer = new Uint8Array(res2.data)
this.setData({
file_name: fileName,
file_size: res.tempFiles[0].size,
})
}
})
}
})
},
writeData: async function(payload) {
console.log(`writeData len(${payload.byteLength})`, payload, new Date().toISOString())
if (!this.data.device.connected) {
wx.showModal({
title: '提示',
content: '蓝牙已断开,请重新连接设备',
showCancel: false,
success: function(res) {}
})
return Promise.reject(`ble disconnect`)
}
let pos = 0;
let bytes = payload.byteLength
while (bytes > 0) {
let frameBuffer;
if (bytes > 20) {
frameBuffer = payload.slice(pos, pos + 20);
pos += 20;
bytes -= 20;
} else {
frameBuffer = payload.slice(pos, pos + bytes);
pos += bytes;
bytes -= bytes;
}
// console.log(`frame(${frameBuffer.byteLength})`, frameBuffer)
try {
await bleapi.writeBLECharacteristicValue(
this.data.device.deviceId,
this.data.device.service.uuid,
this.data.device.characteristic.uuid,
frameBuffer
)
// Android手机连续调用会存在写失败的可能性建议加延时
await util.delayMs(20)
} catch (e) {
return Promise.reject(e)
}
}
return Promise.resolve()
},
onMessage: function(data) {
let datastr = util.ab2strHex(data)
console.log('onMessage:', datastr, msgQueue, new Date().toISOString())
let str = util.ArrayBuffer2str(data)
this.setData({
receiveText: this.data.receiveText + str
})
if (DownLoadMode) { // 下载模式
let arr = new Uint8Array(data)
for (let i = 0; i < arr.length; i++) {
if (arr[i] == CAN) { // 取消传输
DownLoadMode = false
}
msgQueue.push(arr[i])
}
this.setData({
downloadLog: this.data.downloadLog + `${datastr}\r\n`
})
} else { // 普通模式
console.log("normal onReceive:", str)
}
},
upload: async function() {
let that = this
if (!this.data.device.connected) {
wx.showModal({
title: '提示',
content: '蓝牙已断开',
showCancel: false,
success: function(res) {}
})
return
}
if (!fileName || fileBuffer.length == 0) {
wx.showModal({
content: "请先选择固件",
showCancel: false
});
return
}
wx.showLoading({
title: '准备上传...',
mask: true,
})
this.setData({
send_percent: 0,
timestamp_start: "",
timestamp_end: "",
})
DownLoadMode = 1
console.log(`upload begin. bytes: ${fileBuffer.length} /1024: ${fileBuffer.length/1024}`)
try {
await this.recieveByte(C, SyncTimeout)
wx.showLoading({
title: '开始上传...',
mask: true,
})
this.setData({
timestamp_start: util.formatTime(),
date_start: new Date()
})
console.log("send blockZero begin")
let id = 0
let blockZero = Packet.getNormalPacket(id, Packet.getZeroContent(fileName, fileBuffer.length))
await that.writeData(blockZero.buffer)
await that.recieveByte(ACK, RecvTimeout)
await that.recieveByte(C, SyncTimeout)
console.log("send blockZero complete")
wx.showLoading({
title: '上传中...',
mask: true,
})
console.log("send file begin")
let nInterval = (bUse1K == true) ? 1024 : 128;
for (let i = 0; i < fileBuffer.length; i += nInterval) {
console.log("send block " + (i / nInterval + 1) + " start");
let upper = (fileBuffer.length < i + nInterval) ?
fileBuffer.length : i + nInterval;
let payloadBuf = new Uint8Array(nInterval);
for (let j = i; j < upper; j++) {
payloadBuf[j - i] = fileBuffer[j];
}
id = i / nInterval + 1;
let block = (bUse1K == true) ? Packet.getLongPacket(id, payloadBuf) : Packet.getNormalPacket(id, payloadBuf);
await that.writeData(block.buffer)
try {
// TODO: NAK 重传逻辑
await that.recieveByte(ACK, RecvTimeout)
} catch (e) {
console.error(`${(i / nInterval) + 1} block lost a ack`, e)
}
console.log("send block " + ((i / nInterval) + 1) + " succceed!");
this.setData({
send_percent: parseInt((i) / fileBuffer.length * 100),
})
}
console.log("send file complete")
// EOT处理
// 超时,
// 返回 NAK, 则重传EOT
// 返回 ACK, 则结束
console.log("send EOT");
let sendEOTAndRetry = this.autoRetry(async function(buf) {
await that.writeData(new Uint8Array([EOT]).buffer)
console.log(`waiting ACK`, new Date().toISOString())
let c = await that.recieve(RecvTimeout)
if (c == ACK) {
console.log(`receive ACK 0x${c.toString(16)}`)
// 处理黏包的情况 [ACK, ACK]
while (msgQueue.length > 0) {
if (msgQueue[0] == ACK) {
let c = msgQueue.shift()
console.log(`shift ${c.toString(16)} from queue`, msgQueue)
} else {
break
}
}
} else if (c == NAK) {
console.log(`receive NAK 0x${c.toString(16)}`)
// 处理黏包情况 [NAK, ACK, C]
if (msgQueue.length > 0) {
await that.recieveByte(ACK, RecvTimeout)
} else {
throw `receive NAK 0x${c.toString(16)}, resend EOT`
}
}
}, 2)
await sendEOTAndRetry(new Uint8Array([EOT]).buffer)
await that.recieveByte(C, SyncTimeout)
console.log("send last block begin")
let blockLast = Packet.getNormalPacket(0, new Uint8Array(128));
await that.writeData(blockLast.buffer)
await that.recieveByte(ACK, RecvTimeout)
console.log("send last block compelte")
DownLoadMode = 0
let diff = new Date().getTime() - this.data.date_start.getTime()
let rate = Math.round(fileBuffer.length * 1000 / diff) * 100 / 100
console.log("upload complete")
this.setData({
send_percent: 100,
timestamp_end: util.formatTime(),
rate: rate,
})
wx.showModal({
content: "上传完成",
showCancel: false
});
} catch (e) {
DownLoadMode = 0
console.error("upload fail:", e)
wx.showModal({
content: "上传失败,请重试\r\n" + e,
showCancel: false
});
}
wx.hideLoading()
console.log("msgQueue", msgQueue)
msgQueue = [] // clear msgQueue
},
reciveByteAndRetry: async function(expect, timeout, retryNum) {
let func = this.autoRetry(this.recieveByte, retryNum)
await func(expect, timeout)
},
recieveByte: async function(expect, timeout) {
console.log(`waiting 0x${expect.toString(16)} for ${timeout}ms ...`, new Date().toISOString())
try {
let c = await this.recieve(timeout)
if (c == CAN) { // 接收端终止
throw `receive 0x${c.toString(16)}. cancel tranmission`
}
if (c != expect) {
throw `expect 0x${expect.toString(16)}, but recieve 0x${c.toString(16)}`
}
// 处理黏包的情况
while (msgQueue.length > 0) {
if (msgQueue[0] == expect) {
let c = msgQueue.shift()
console.log(`shift ${c.toString(16)} from queue`, msgQueue)
} else {
break
}
}
Promise.resolve(c)
} catch (e) {
throw `waiting 0x${expect.toString(16)} fail: ${e}`
}
},
recieve: async function(timeout) {
// console.log("start recieve", new Date().toISOString())
let elaspe = timeout
const interval = 500
while (elaspe > 0) {
elaspe = elaspe - interval
// console.log(`xxxx`, msgQueue.length, elaspe)
if (msgQueue.length > 0) {
let c = msgQueue.shift();
console.log(`receive from queue: ${c.toString(16)}`, msgQueue)
return Promise.resolve(c)
}
await util.delayMs(interval)
}
return Promise.reject(`receive timeout ${timeout}ms ${new Date().toISOString()}`)
},
/*
example:
let sendLastblockAndRetry = this.autoRetry(async function (buf) {
await that.writeData(buf);
await that.recieveByte(ACK, RecvTimeout)
}, 3)
await sendLastblockAndRetry(blockLast.buffer)
*/
autoRetry(func, retryMax) {
let retryNum = retryMax;
return async function funcR() {
let params = arguments
while (retryNum--) {
try {
await func(...params)
break
} catch (e) {
if (retryNum > 0) {
console.error(`retry ${retryMax - retryNum} time. error:`, e);
continue
} else {
throw e
}
}
}
}
},
RecvCleanTap: function() {
this.setData({
receiveText: ''
})
},
sendValue: async function(e) {
let val = e.currentTarget.dataset.val
try {
await this.writeData(util.str2abUint8(val))
wx.showToast({
icon: 'none',
title: '发送成功',
duration: 1000,
})
} catch (e) {
wx.showToast({
icon: 'none',
title: '发送失败',
duration: 2000,
})
}
},
})

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{
"usingComponents": {}
}

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<!--pages/ble-device/index.wxml-->
<template name="connectStatus">
<view wx:if="{{ connected }}">
<view style="color:green; font-weight:bold">已连接</view>
</view>
<view wx:elif="{{ !connected }}">
<view style="color:#ff0000; font-weight:bold">已断开</view>
</view>
<view wx:else>
<view style="color:#ff0000; font-weight:bold">未连接</view>
</view>
</template>
<view class="container">
<view class="title">
设备信息
</view>
<view class="box">
<view class="box-cell flex-row space-between">
<view>设备名称</view>
<view>{{device.name}}</view>
</view>
<view class="box-cell flex-row space-between">
<view>设备ID</view>
<view>{{device.deviceId}}</view>
</view>
<view class="box-cell flex-row space-between">
<view>连接状态</view>
<view>
<template is="connectStatus" data="{{connected:device.connected}}" />
</view>
<!-- <view>{{device.connected}}</view> -->
</view>
</view>
<view class="flex-row space-between">
<view class="title">
串口输出
</view>
<view>
<button size="mini" type="default" bindtap="RecvCleanTap">清空</button>
</view>
</view>
<textarea class="revc_text" maxlength="-1" disabled value="{{receiveText}}" />
<view class="title">
固件升级
</view>
<view class="box">
<view class="box-cell flex-row space-between">
<view>菜单选项</view>
<view>
<button class="menu-item" size="mini" type="default" data-val="1" bindtap="sendValue">1</button>
<button class="menu-item" size="mini" type="default" data-val="2" bindtap="sendValue">2</button>
<button class="menu-item" size="mini" type="default" data-val="3" bindtap="sendValue">3</button>
<button class="menu-item" size="mini" type="default" data-val="4" bindtap="sendValue">4</button>
</view>
</view>
<view class="box-cell flex-row space-between">
<view>
固件升级
</view>
<view>
<button class="menu-item" size="mini" type="default" bindtap="chose">选择固件</button>
<button class="menu-item" size="mini" type="default" bindtap="upload">上传固件</button>
</view>
</view>
<view wx:if="{{file_name}}">
<view class="box-cell flex-row space-between">
<view>文件名(大小)</view>
<view>{{file_name}} {{file_size}}</view>
</view>
</view>
<view wx:if="{{timestamp_start}}">
<progress class="" percent="{{send_percent}}" show-info border-radius="10" stroke-width="5" />
</view>
<view wx:if="{{timestamp_end}}">
<view class="box-cell flex-column">
<view>begin@{{timestamp_start}}</view>
<view>finish@{{timestamp_end}}</view>
<view>rate@{{rate}}(B/s)</view>
</view>
</view>
</view>
<!-- <form catchsubmit="formSubmit" catchreset="formReset">
<textarea class="send_text" name="textarea" maxlength="-1" value="{{inputText}}" />
<view class="btn-area flex-row space-between">
<button size="mini" type="default" formType="reset">清空</button>
<button size="mini" type="primary" formType="submit">发送</button>
</view>
</form> -->
</view>

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page {
width: 100%;
height: 100%;
position: relative;
color: #333;
background-color: #F8F8F8;
font-size: 16px;
/*font-family: -apple-system-font,Helvetica Neue,Helvetica,sans-serif;*/
font-family: PingFang SC, Helvetica Neue, Hiragino Sans GB, Helvetica, Microsoft YaHei, Arial;
-ms-text-size-adjust: 100%;
-webkit-text-size-adjust: 100%;
-webkit-tap-highlight-color: transparent;
}
.container {
margin: 20rpx 30rpx
}
.title {
font-size: 32rpx;
font-weight: bold;
margin-bottom: 10rpx;
padding-left: 20rpx;
}
.box {
margin-bottom: 30rpx;
padding: 20rpx;
border: 2rpx solid #d9d9d9;
border-radius: 20rpx;
background: white;
}
.box-cell {
padding-bottom: 10rpx;
line-height: 50rpx;
font-size: 32rpx;
color: #666;
/* border-bottom: 2rpx solid #d9d9d9; */
}
.send_text {
height: 100rpx;
width: 90%;
border: 2px solid #39beff;
margin: 10px auto;
padding: 5px;
}
.file {
display: flex;
flex-direction: column;
}
.file_name {
float: left;
padding-left: 10px;
}
.file_size {
float: left;
padding-left: 10px;
}
.revc_text {
width: 100%;
height: 400rpx;
border: 1rpx solid grey;
/* margin: 0 auto 10px; */
padding: 5rpx;
/* padding-bottom: 10rpx; */
margin-bottom: 20rpx;
font-size: 25rpx;
}
.menu-item {
margin-left: 20rpx
}

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const app = getApp()
let util = require('../../../../utils/util.js');
let bleapi = require('../../../../utils/hardware/ble/ble-api.js');
Page({
data: {
searching: false,
devicesList: []
},
onLoad: async function (options) {
this.search()
},
onUnload: async function () {
bleapi.closeBluetoothAdapter()
},
onBluetoothDeviceFound() {
let that = this
return new Promise((resolve) => {
wx.onBluetoothDeviceFound(function (res) {
var name = res.devices[0].name
if (name) {
console.log("onBluetoothDeviceFound:", name, res);
that.data.devicesList.push(res.devices[0])
that.setData({
devicesList: that.data.devicesList
})
}
})
resolve()
console.log("onBluetoothDeviceFound start")
})
},
search: async function() {
try {
await bleapi.closeBluetoothAdapter()
await bleapi.openBluetoothAdapter()
} catch(e) {
wx.showModal({
content: "请检查手机蓝牙是否打开",
showCancel: false
});
return
}
try {
// 开始扫描蓝牙设备
await bleapi.startBluetoothDevicesDiscovery([])
this.setData({
searching: true,
devicesList: []
})
await this.onBluetoothDeviceFound()
// 每次扫描蓝牙设备10秒
await util.delayMs(10000)
if (this.data.searching) {
this.setData({
searching: false
})
await bleapi.stopBluetoothDevicesDiscovery()
}
} catch (e) {
console.error(e)
wx.showModal({
content: "搜索设备失败\n" + e,
showCancel: false
});
}
},
connect: async function(e) {
console.log(e.currentTarget)
wx.showLoading({
title: '连接蓝牙设备中...',
})
let deviceId = e.currentTarget.id
let deviceName = e.currentTarget.dataset.name
try {
await bleapi.stopBluetoothDevicesDiscovery()
await bleapi.closeBLEConnection(deviceId)
// 创建BLE连接
await bleapi.createBLEConnection(deviceId)
// 读取BLE设备的 Services
let service = null
let services = await bleapi.getBLEDeviceServices(deviceId)
let serviceId = '0000FFE0-0000-1000-8000-00805F9B34FB' // 指定ServiceID
for (let i = 0; i < services.length; i++) {
if (services[i].isPrimary && services[i].uuid == serviceId) {
service = services[i]
break
}
}
// 读取BLE设备指定 ServiceId 的 Characteristics
let characteristics = await bleapi.getBLEDeviceCharacteristics(deviceId, service.uuid)
let characteristic = characteristics[0] // 默认选择第一个特征值
console.log('characteristic', characteristic)
// 完成连接BLE设备跳转到该设备页面
let device = {
connected: true,
name: deviceName,
deviceId: deviceId,
service: service,
characteristic: characteristic,
services: services,
characteristics: characteristics,
}
console.log(device)
wx.hideLoading()
wx.navigateTo({
url: '../device/index',
success: function(res) {
res.eventChannel.emit('eventData', {
device: device,
})
}
})
} catch (e) {
console.error(e)
wx.showToast({
title: "连接蓝牙失败,请重试",
icon: "none"
})
}
},
})

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{
"usingComponents": {}
}

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<view class="container">
<scroll-view scroll-y style="width:690rpx;height:{{list_height}}rpx">
<block wx:for="{{devicesList}}" wx:key="deviceId">
<view class="list-item" id="{{item.deviceId}}" data-name="{{item.name}}" bindtap="connect">
<view style="display:flex;flex-direction:column;width:80%">
<text style="font-size:medium;word-break:break-all">设备名称: {{item.name}}</text>
<text style="font-size:x-small;color:gray;word-break:break-all">设备ID: {{item.deviceId}}</text>
<text style="font-size:x-small;color:gray;word-break:break-all">信号强度RSSI: {{item.RSSI}}</text>
</view>
<image style="width:36px;height:36px" mode="aspectFit" src="/images/bluetooth.png"></image>
</view>
</block>
</scroll-view>
<button type="primary" class="button" loading="{{searching}}" bindtap="search">{{searching?"搜索中...":"搜索蓝牙设备"}}</button>
</view>

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page {
background-color: #f8f8f8;
}
.container {
padding: 0 30rpx 0 30rpx;
align-items: center;
}
.list-item {
display: flex;
flex-direction: row;
justify-content: space-between;
align-items: center;
width: 100%;
padding: 10px 0 10px 0;
box-sizing: border-box;
border: 1px solid #000;
border-style: none none solid none;
border-bottom-color: lightgray;
}
.list-item:last-child {
border-style: none;
}
.button {
position: fixed;
width: 690rpx;
bottom: 30rpx;
}

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{
"desc": "关于本文件的更多信息,请参考文档 https://developers.weixin.qq.com/miniprogram/dev/framework/sitemap.html",
"rules": [{
"action": "allow",
"page": "*"
}]
}

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/**
* 初始化蓝牙模块
*
* @return {Object} 调用结果
*/
function openBluetoothAdapter() {
return new Promise((resolve, reject) => {
wx.openBluetoothAdapter({
success(res) {
resolve(res)
},
fail(res) {
reject(res)
}
})
})
}
/**
* 关闭蓝牙模块
*
* @return {Object} 调用结果
*/
function closeBluetoothAdapter() {
return new Promise((resolve, reject) => {
wx.closeBluetoothAdapter({
complete(res) {
resolve(res)
}
})
})
}
/**
* 监听蓝牙状态
*
* @param {function} onBluetoothStateChange 函数对象,监听蓝牙状态变化的回调函数
* @return void
*/
function onBluetoothAdapterStateChange(onBluetoothStateChange) {
return new Promise((resolve) => {
wx.onBluetoothAdapterStateChange(function(res) {
// console.log('onBluetoothAdapterStateChange, now is', res)
onBluetoothStateChange(res)
})
resolve()
})
}
/**
* 启动搜索蓝牙设备功能
*
* @param {string} services 蓝牙服务
* @return void
*/
function startBluetoothDevicesDiscovery(services) {
return new Promise((resolve, reject) => {
wx.startBluetoothDevicesDiscovery({
services: services || [],
allowDuplicatesKey: false,
success(res) {
console.log("wx.startBluetoothDevicesDiscovery success")
resolve(res)
},
fail(res) {
console.log("wx.startBluetoothDevicesDiscovery fail")
reject(res)
}
})
})
}
/**
* 关闭搜索蓝牙设备功能
*
* @return void
*/
function stopBluetoothDevicesDiscovery() {
return new Promise((resolve, reject) => {
wx.stopBluetoothDevicesDiscovery({
complete(res) {
console.log("wx.stopBluetoothDevicesDiscovery success")
resolve()
}
})
})
}
/**
* 断开与低功耗蓝牙设备的连接
*
* @param {string} deviceId 蓝牙设备ID
* @return void
*/
function closeBLEConnection(deviceId) {
return new Promise((resolve, reject) => {
wx.closeBLEConnection({
deviceId,
success(res) {
console.log(`closeBLEConnection ${deviceId} success`, res)
},
fail(res) {
console.log(`closeBLEConnection ${deviceId} fail`, res)
},
complete(res) {
resolve()
}
})
})
}
/**
* 连接低功耗蓝牙设备
*
* @param {string} deviceId 蓝牙设备ID
* @return {Object} 调用结果
*/
function createBLEConnection(deviceId) {
return new Promise((resolve, reject) => {
wx.createBLEConnection({
deviceId: deviceId,
timeout: 5000, // TO_CHECK: 设置连接蓝牙超时时间
success: function(res) {
console.log(`createBLEConnection ${deviceId} success`, res)
resolve(res)
},
fail: function(res) {
console.log(`createBLEConnection ${deviceId} fail`, res);
reject(new Error(res.errMsg || 'wx.createBLEConnection fail'))
}
})
})
}
/**
* 监听低功耗蓝牙连接状态的改变事件
*
* @param {function} onStateChange 函数对象,连接状态变化的回调函数
* @return void
*/
function onBLEConnectionStateChange(onStateChange) {
return new Promise((resolve) => {
wx.onBLEConnectionStateChange(function(res) { // 该方法回调中可以用于处理连接意外断开等异常情况
// console.log(`onBLEConnectionStateChange device ${res.deviceId} state has changed, connected: ${res.connected}`)
onStateChange(res)
})
resolve()
})
}
/**
* 获取蓝牙设备所有服务
*
* @param {string} deviceId 蓝牙设备ID
* @return {Object} 调用结果
*/
function getBLEDeviceServices(deviceId) {
return new Promise((resolve, reject) => {
wx.getBLEDeviceServices({
deviceId: deviceId,
success: function(res) {
console.log(`wx.getBLEDeviceServices ${deviceId} success:`, res.services)
resolve(res.services)
},
fail(res) { // 获取蓝牙服务失败
console.log(`wx.getBLEDeviceServices ${deviceId} fail:`, res)
reject(res.errMsg || 'wx.getBLEDeviceServices fail')
}
})
})
}
/**
* 获取蓝牙设备某个服务中所有特征值
*
* @param {string} deviceId 蓝牙设备ID
* @param {string} serviceId 蓝牙服务ID
* @return {Object} 调用结果
*/
function getBLEDeviceCharacteristics(deviceId, serviceId) {
return new Promise((resolve, reject) => {
wx.getBLEDeviceCharacteristics({
deviceId: deviceId,
serviceId: serviceId,
success(res) {
console.log(`wx.getBLEDeviceCharacteristics ${deviceId} ${serviceId} success:`, res.characteristics)
resolve(res.characteristics)
},
fail(res) { // 读取蓝牙特征值失败
console.log(`wx.getBLEDeviceCharacteristics ${deviceId} ${serviceId} fail`, res)
reject(res.errMsg || 'wx.getBLEDeviceCharacteristics fail')
},
})
})
}
/**
* 启用低功耗蓝牙设备特征值变化时的 notify 功能,订阅特征值
* 注:必须设备的特征值支持 notify 或者 indicate 才可以成功调用
*
* @param {string} deviceId 蓝牙设备ID
* @param {string} serviceId 蓝牙服务ID
* @param {string} notifyCharacteristicId 蓝牙特征值ID
* @return {Object} 调用结果
*/
function notifyBLECharacteristicValueChanged(deviceId, serviceId, notifyCharacteristicId) {
return new Promise((resolve, reject) => {
wx.notifyBLECharacteristicValueChanged({
deviceId: deviceId,
serviceId: serviceId,
characteristicId: notifyCharacteristicId,
state: true,
success(res) {
console.log(`wx.notifyBLECharacteristicValueChanged ${deviceId} ${serviceId} ${notifyCharacteristicId} success`);
resolve(true)
},
fail(err) {
console.log(`wx.notifyBLECharacteristicValueChanged ${deviceId} ${serviceId} ${notifyCharacteristicId} fail`, err);
reject("启用蓝牙特征值notify功能失败")
}
})
})
}
/**
* 监听低功耗蓝牙设备的特征值变化事件
* 注:必须先启用 notifyBLECharacteristicValueChange 接口才能接收到设备推送的 notification
*
* @param {function} onMessage 函数对象,读数据的回调函数
* @return void
*/
function onBLECharacteristicValueChange(onMessage) {
var receivedData = null
return new Promise((resolve, reject) => {
wx.onBLECharacteristicValueChange(function(res) {
//{value: ArrayBuffer, deviceId: "D8:00:D2:4F:24:17", serviceId: "ba11f08c-5f14-0b0d-1080-007cbe238851-0x600000460240", characteristicId: "0000cd04-0000-1000-8000-00805f9b34fb-0x60800069fb80"}
onMessage(res.value)
})
resolve()
})
}
/**
* 向低功耗蓝牙设备特征值中写入二进制数据
* 注:必须设备的特征值支持 write 才可以成功调用
*
* @param {string} deviceId 蓝牙设备ID
* @param {string} serviceId 蓝牙服务ID
* @param {string} writeCharacteristicId 蓝牙特征值ID
* @param {string} payload 数据必须是ArrayBuffer类型
* @return {Object} 调用结果
*/
function writeBLECharacteristicValue(deviceId, serviceId, writeCharacteristicId, payload) {
return new Promise((resolve, reject) => {
wx.writeBLECharacteristicValue({
deviceId: deviceId,
serviceId: serviceId,
characteristicId: writeCharacteristicId,
value: payload, // parameter.value should be ArrayBuffer
fail(res) {
console.log(`writeBLECharacteristicValue fail: ${deviceId} ${serviceId} ${writeCharacteristicId}`, res)
reject(res)
},
success(res) {
resolve(res)
}
})
})
}
/**
* 读取低功耗蓝牙设备的特征值的二进制数据值。
* 注:必须设备的特征值支持 read 才可以成功调用; 接口读取到的信息需要在 onBLECharacteristicValueChange 方法注册的回调中获取
*
* @param {string} deviceId 蓝牙设备ID
* @param {string} serviceId 蓝牙服务ID
* @param {string} readCharacteristicId 蓝牙特征值ID
* @return {Object} 调用结果
*/
function readBLECharacteristicValue(deviceId, serviceId, readCharacteristicId) {
return new Promise((resolve, reject) => {
wx.readBLECharacteristicValue({
deviceId: deviceId,
serviceId: serviceId,
characteristicId: readCharacteristicId,
fail(res) {
console.log(`readBLECharacteristicValue fail: ${deviceId} ${serviceId} ${readCharacteristicId}`, res)
reject(res)
},
success(res) {
resolve(res)
}
})
})
}
/**
* 连接设备
*
* @param {string} deviceId 蓝牙设备ID
* @return {Object} 设备连接信息
*/
function connectDevice(deviceId) {
return closeBLEConnection(deviceId).then(() => {
// 断开重连需要间隔1s,否则会出现假连接成功
// 还有一种方式是 getConnectedBluetoothDevices对比已连接的蓝牙如果已连接直接跳到设备页面
return createBLEConnection(deviceId)
}).then(() => {
// 读取 BLE services
return getBLEDeviceServices(deviceId)
}).then(([deviceId, services]) => {
// 读取 BLE Characteristics
for (let i = 0; i < services.length; i++) {
if (services[i].isPrimary) { // 确定对应服务。这里使用第一个primary服务
let serviceId = services[i].uuid
return getBLEDeviceCharacteristics(deviceId, serviceId)
}
}
return Promise.reject(new Error('未找到蓝牙主服务'))
}).then(
// 必须先启用 notifyBLECharacteristicValueChange 才能监听到设备 onBLECharacteristicValueChange 事件
([deviceId, serviceId, characteristics]) => {
let notifyCharacteristicId = null
let writeCharacteristicId = null
let readCharacteristicId = null
characteristics.forEach(function(item, index) {
if (item.properties.notify == true) {
notifyCharacteristicId = item.uuid
notifyBLECharacteristicValueChanged(deviceId, serviceId, item.uuid)
}
if (item.properties.write == true) {
writeCharacteristicId = item.uuid
}
if (item.properties.read == true) {
readCharacteristicId = item.uuid
}
})
let device = {
connected: true,
deviceId: deviceId,
serviceId: serviceId,
notifyCharacteristicId: notifyCharacteristicId,
writeCharacteristicId: writeCharacteristicId,
readCharacteristicId: readCharacteristicId,
}
return Promise.resolve(device)
}
)
}
/**
* 根据名称搜索设备
*
* @param {string} name 蓝牙设备名称
* @param {string} timeout 搜索超时时间单位ms
* @param {array} services 蓝牙设备的服务ID
* @return {string} deviceId 蓝牙设备ID
*/
function searchDeviceName(name, timeout, services = ["6E400001-B5A3-F393-E0A9-E50E24DCCA9E"]) {
console.log("search begin", name)
let timer = null
let searchTimeout = new Promise((resolve, reject) => {
timer = setTimeout(function() {
console.log("searchDeviceName timeout", name)
stopBluetoothDevicesDiscovery()
reject(null)
}, timeout);
})
let search = Promise.resolve()
.then(() => {
return closeBluetoothAdapter()
})
.then(() => {
return openBluetoothAdapter()
})
.then(() => {
return startBluetoothDevicesDiscovery(services)
})
.then(() => {
return new Promise((resolve) => {
console.log("wx.onBluetoothDeviceFound start")
wx.onBluetoothDeviceFound(function(res) {
let foundName = res.devices[0].localName // TODO: localName or name?
if (foundName && foundName == name) {
console.log("searchDeviceName found:", name, res);
wx.offBluetoothDeviceFound(this)
clearTimeout(timer)
stopBluetoothDevicesDiscovery()
resolve(res.devices[0].deviceId)
}
})
})
})
return Promise.race([search, searchTimeout])
}
async function searchDevices(name, timeout, services = ["6E400001-B5A3-F393-E0A9-E50E24DCCA9E"]) {
console.log("searchDevices", name)
let timer = null
let searchTimeout = new Promise((resolve, reject) => {
timer = setTimeout(function() {
console.log("searchDevices timeout", name)
stopBluetoothDevicesDiscovery()
reject(null)
}, timeout);
})
let search = Promise.resolve()
.then(() => {
return closeBluetoothAdapter()
})
.then(() => {
return openBluetoothAdapter()
})
.then(() => {
return startBluetoothDevicesDiscovery(services)
})
.then(() => {
return new Promise((resolve) => {
console.log("wx.onBluetoothDeviceFound start")
wx.onBluetoothDeviceFound(function(res) {
let foundName = res.devices[0].localName // TODO: localName or name?
if (foundName && foundName == name) {
console.log("searchDeviceName found:", name, res);
wx.offBluetoothDeviceFound(this)
clearTimeout(timer)
stopBluetoothDevicesDiscovery()
resolve(res.devices[0].deviceId)
}
})
})
})
return Promise.race([search, searchTimeout])
}
// function searchAndConnect(name, timeout, services = ["6E400001-B5A3-F393-E0A9-E50E24DCCA9E"]) {
function searchAndConnect(name, timeout, services = []) {
return searchDeviceName(name, timeout, services).then(res => {
let devicesList = res
if (devicesList.length == 0) {
return Promise.reject(false)
}
let deviceId = devicesList[0].deviceId
return connectDevice(deviceId)
})
}
// 扫描设备
function scanDevicesForSometime(services, ms) {
startBluetoothDevicesDiscovery(services).then(res => {
console.log("wx.startBluetoothDevicesDiscovery success", res)
})
setTimeout(function() {
wx.stopBluetoothDevicesDiscovery({
success(res) {
console.log("wx.stopBluetoothDevicesDiscovery success", res)
},
fail(e) {
console.log("wx.stopBluetoothDevicesDiscovery fail", res)
}
})
}, ms);
}
// 扫描设备
function connectFailAnalysis(deviceId) {
console.log("scanDevices ...")
let that = this
let found = false
let discovery = Promise.resolve().then(
() => {
return openBluetoothAdapter()
}
).then(
() => {
return startBluetoothDevicesDiscovery([])
// return startBluetoothDevicesDiscovery(["6E400001-B5A3-F393-E0A9-E50E24DCCA9E"])
}
).then(
() => {
let devicesList = []
return new Promise((resolve) => {
wx.onBluetoothDeviceFound(function(res) {
let name = res.devices[0].name
if (name != "") {
console.log("onBluetoothDeviceFound:", name, res);
devicesList.push(res.devices[0])
let foundDeviceId = res.devices[0].deviceId
console.log("found", foundDeviceId, deviceId)
// 尝试连接,读取等
if (foundDeviceId = deviceId) {
found = true
}
}
})
resolve()
})
}
)
let discoveryTimeout = new Promise(resolve => {
setTimeout(resolve, 10000);
}).then(res => {
console.log("discoveryTimeout")
return stopBluetoothDevicesDiscovery()
}).then(res => {
return new Promise(res => {
console.log("xxxx", found)
if (found) {
console.log("found", deviceId)
resolve(true)
} else {
console.log("not found", deviceId)
reject(false)
}
})
})
return Promise.race([discovery, discoveryTimeout])
}
module.exports = {
// 蓝牙适配器
closeBluetoothAdapter: closeBluetoothAdapter,
openBluetoothAdapter: openBluetoothAdapter,
onBluetoothAdapterStateChange: onBluetoothAdapterStateChange,
startBluetoothDevicesDiscovery: startBluetoothDevicesDiscovery,
stopBluetoothDevicesDiscovery: stopBluetoothDevicesDiscovery,
// BLE连接
closeBLEConnection: closeBLEConnection,
createBLEConnection: createBLEConnection,
onBLEConnectionStateChange: onBLEConnectionStateChange,
// BLE服务和特征值
getBLEDeviceServices: getBLEDeviceServices,
getBLEDeviceCharacteristics: getBLEDeviceCharacteristics,
notifyBLECharacteristicValueChanged: notifyBLECharacteristicValueChanged,
onBLECharacteristicValueChange: onBLECharacteristicValueChange,
// BLE读写
writeBLECharacteristicValue: writeBLECharacteristicValue,
readBLECharacteristicValue: readBLECharacteristicValue,
// wrapper
scanDevicesForSometime: scanDevicesForSometime,
searchDeviceName: searchDeviceName,
connectDevice: connectDevice,
searchAndConnect: searchAndConnect,
connectFailAnalysis: connectFailAnalysis,
}

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"use strict";
function UpdateCRC16(crcIn, byte) {
let crc = crcIn;
let inNum = byte | 0x100;
do {
crc <<= 1;
crc = crc & 0xFFFFFFFF;
inNum <<= 1;
inNum = inNum & 0xFFFFFFFF;
if (inNum & 0x100) {
++crc;
}
if (crc & 0x10000) {
crc ^= 0x1021;
crc = crc & 0xFFFFFFFF;
}
} while (!(inNum & 0x10000));
return crc & 0xffff;
}
function crc16(data, size) {
let crc = 0;
for (let i = 0; i < size; i++) {
crc = UpdateCRC16(crc, data[i])
}
crc = UpdateCRC16(crc, 0);
crc = UpdateCRC16(crc, 0);
return crc & 0xffff;
}
function crc16_backup(buf, len) {
// let crc = 0x0000;
let crc = 0xFFFF;
for (let pos = 0; pos < len; pos++) {
// XOR byte into least sig. byte of crc
crc ^= buf[pos];
crc = crc & 0xFFFF;
for (let i = 8; i != 0; i--) { // Loop over each bit
if ((crc & 0x0001) != 0) { // If the LSB is set
crc >>= 1; // Shift right and XOR 0xA001
crc ^= 0xA001;
crc = crc & 0xFFFF;
}
else {// Else LSB is not set
crc >>= 1; // Just shift right
crc = crc & 0xFFFF;
}
}
}
return crc;
}
/*
int calcrc(char *ptr, int count)
{
int crc;
char i;
crc = 0;
while (--count >= 0)
{
crc = crc ^ (int) *ptr++ << 8;
i = 8;
do
{
if (crc & 0x8000)
crc = crc << 1 ^ 0x1021;
else
crc = crc << 1;
} while(--i);
}
return (crc);
}
*/
module.exports = crc16;

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let crc16 = require('./crc16.js')
const SOH = 0x01 /* start of 128-byte data packet */
const STX = 0x02 /* start of 1024-byte data packet */
const EOT = 0x04 /* end of transmission */
const ACK = 0x06 /* acknowledge */
const NAK = 0x15 /* negative acknowledge */
const CA = 0x18 /* two of these in succession aborts transfer */
const CRC16 = 0x43 /* 'C' == 0x43, request 16-bit CRC */
const NEGATIVE_BYTE = 0xFF
const ABORT1 = 0x41 /* 'A' == 0x41, abort by user */
const ABORT2 = 0x61 /* 'a' == 0x61, abort by user */
const NAK_TIMEOUT = 10000
const DOWNLOAD_TIMEOUT = 1000 /* One second retry delay */
const MAX_ERRORS = 10
const NORMAL_LEN = 128;
const LONG_LEN = 1024;
const DATA_INDEX = 3;
function getNormalPacket(id, contentBuf) {
let buf = new Uint8Array(NORMAL_LEN + 3 + 2); //NORMAL_LEN
let i = 0;
buf[i++] = SOH;
buf[i++] = id;
buf[i++] = 0xFF - id;
if (contentBuf.length > NORMAL_LEN) {
throw new Error("Over normal packet size limit");
}
for (let j = 0; j < contentBuf.length; j++) {
buf[i++] = contentBuf[j];
}
while (i < NORMAL_LEN + 3) {
buf[i++] = 0x1A;
}
let bufcrc = buf.slice(3, 3 + NORMAL_LEN)
let crc = crc16(bufcrc, NORMAL_LEN);
buf[i++] = (crc >> 8) & 0xFF;
buf[i++] = crc & 0xFF;
// console.log("packet forming End i = ", i);
return buf;
}
function getLongPacket (id, contentBuf) {
let buf = new Uint8Array(LONG_LEN + 3 + 2);
let i = 0;
buf[i++] = STX;
buf[i++] = id;
buf[i++] = 0xFF - id;
if (contentBuf.length > LONG_LEN) {
throw new Error("Over long packet size limit");
}
for (let j = 0; j < contentBuf.length; j++) {
buf[i++] = contentBuf[j];
}
while (i < LONG_LEN + 3) {
buf[i++] = 0x1A;
}
let bufcrc = buf.slice(3, LONG_LEN + 3)
let crc = crc16(bufcrc, LONG_LEN);
buf[i++] = (crc >> 8) & 0xFF;
buf[i++] = crc & 0xFF;
// console.log("packet forming End i = ", i);
return buf;
}
function getZeroContent (fileSymbol, fileLen) {
let buf = new Uint8Array(128);
// let fileLenBuf = Uint8Array.from(fileLen + '')
// let symbolBuf = Uint8Array.from(fileSymbol)
let fileLenStr = fileLen.toString()
let i = 0, j = 0;
for (j = 0; j < fileSymbol.length; j++) {
buf[i++] = fileSymbol.charCodeAt(j)
}
buf[i++] = 0;
for (j = 0; j < fileLenStr.length; j++) {
buf[i++] = fileLenStr.charCodeAt(j)
}
// buf[i++] = 32;
return buf;
}
let packet = {
getZeroContent: getZeroContent,
getNormalPacket: getNormalPacket,
getLongPacket: getLongPacket
};
module.exports = packet;

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const formatTime = function(date) {
if (!date) {
date = new Date()
}
const year = date.getFullYear()
const month = date.getMonth() + 1
const day = date.getDate()
const hour = date.getHours()
const minute = date.getMinutes()
const second = date.getSeconds()
return [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}
const formatNumber = n => {
n = n.toString()
return n[1] ? n : '0' + n
}
// await util.delayMs(1000)
const delayMs = (ms) => {
return new Promise(resolve => {
setTimeout(resolve, ms);
});
}
// ArrayBuffer转16进制字符串
// ArrayBuffer => hex string
function ab2strHex(ab) {
let hexArr = Array.prototype.map.call(
new Uint8Array(ab),
function(bit) {
return ('00' + bit.toString(16)).slice(-2)
}
)
return hexArr.join('');
}
// string => ArrayBuffer Uint8
function str2abUint8(str) {
var buf = new ArrayBuffer(str.length); // 2 bytes for each char
var bufView = new Uint8Array(buf);
for (var i = 0, strLen = str.length; i < strLen; i++) {
bufView[i] = str.charCodeAt(i);
}
return buf;
}
// string => ArrayBuffer Uint16
function str2abUint16(str) {
var buf = new ArrayBuffer(str.length * 2); // 2 bytes for each char
var bufView = new Uint16Array(buf);
for (var i = 0, strLen = str.length; i < strLen; i++) {
bufView[i] = str.charCodeAt(i);
}
return buf;
}
function ArrayBuffer2str(buf) {
return String.fromCharCode.apply(null, new Uint8Array(buf));
}
function Uint8Array2str(arr) {
return String.fromCharCode.apply(null, arr);
}
// let retryPromise = util.autoRetry(promise, 1);
// refer to: https://blog.csdn.net/github_38589282/article/details/77414358
function autoRetry(func, retryMax) {
let retryNum = retryMax;
return async function funcR() {
let params = arguments
while (retryNum--) {
try {
await func(...params)
} catch (e) {
if (retryNum > 0) {
console.error(`retry ${retryMax - retryNum} time. error:`, e);
continue
} else {
throw e
}
}
}
};
}
module.exports = {
// autoRetry: autoRetry,
formatTime: formatTime,
delayMs: delayMs,
ab2strHex: ab2strHex,
str2abUint8: str2abUint8,
str2abUint16: str2abUint16,
ArrayBuffer2str: ArrayBuffer2str,
Uint8Array2str: Uint8Array2str,
}

View File

@@ -0,0 +1,73 @@
{
"miniprogramRoot": "miniprogram/",
"cloudfunctionRoot": "cloudfunctions/",
"description": "项目配置文件",
"packOptions": {
"ignore": []
},
"setting": {
"urlCheck": true,
"es6": true,
"postcss": true,
"minified": true,
"newFeature": true,
"coverView": true,
"autoAudits": false,
"showShadowRootInWxmlPanel": true,
"scopeDataCheck": false,
"checkInvalidKey": true,
"checkSiteMap": true,
"uploadWithSourceMap": true,
"babelSetting": {
"ignore": [],
"disablePlugins": [],
"outputPath": ""
},
"enhance": true
},
"compileType": "miniprogram",
"libVersion": "2.10.2",
"appid": "wx394efa031612f9b5",
"projectname": "iap",
"debugOptions": {
"hidedInDevtools": []
},
"isGameTourist": false,
"simulatorType": "wechat",
"simulatorPluginLibVersion": {},
"cloudfunctionTemplateRoot": "cloudfunctionTemplate",
"condition": {
"search": {
"current": -1,
"list": []
},
"conversation": {
"current": -1,
"list": []
},
"plugin": {
"current": -1,
"list": []
},
"game": {
"currentL": -1,
"list": []
},
"gamePlugin": {
"current": -1,
"list": []
},
"miniprogram": {
"current": -1,
"list": [
{
"id": 0,
"name": "ble-device",
"pathName": "pages/hardware/ble/device/index",
"query": "",
"scene": null
}
]
}
}
}