2024-08-06 13:41:07 +08:00

318 lines
8.9 KiB
Vue

<template>
<view>
<button @click="getList">获取设备列表</button>
<button @click="stopGetList">停止获取</button>
<view v-if="showList">
<button class="device" v-for="item in list"
:key="item.deviceId" @click="connect(item)">{{item.name}}
- {{item.pair ? '已配对' : '未配对'}}-{{item.sleep ? '休眠中' :
'已唤醒'}}</button>
</view>
<view v-else>
<button @click="getPublicKey">获取锁公钥</button>
<button @click="getTest">获取锁私钥</button>
</view>
</view>
</template>
<script>
import crc from 'crc'
export default {
data() {
return {
list: [],
getting: false,
// deviceId: '6C3CD148-F456-1C61-F35E-C176B0CC644A',
// serviceId: '0000FFF0-0000-1000-8000-00805F9B34FB',
// characteristicId1: '0000FFF1-0000-1000-8000-00805F9B34FB',
// characteristicId2: '0000FFF2-0000-1000-8000-00805F9B34FB',
deviceId: '',
serviceId: '',
characteristicId1: '',
characteristicId2: '',
lockId: '',
showList: true,
number: 1
}
},
onLoad() {
uni.openBluetoothAdapter({
success(res) {
console.log('初始化成功')
console.log(res)
},
fail(res) {
console.log('初始化失败')
console.log(res)
}
})
},
onUnload() {
uni.closeBluetoothAdapter({
success(res) {
console.log('关闭蓝牙成功')
console.log(res)
},
fail(res) {
console.log('关闭蓝牙失败')
console.log(res)
}
})
},
methods: {
GetCommKey() {
const userId = 294
let buffer = new ArrayBuffer(54)
let binaryData = new Uint8Array(buffer)
// 固定包头
binaryData[0] = 0xEF
binaryData[1] = 0x01
binaryData[2] = 0xEE
binaryData[3] = 0x02
// 包类型 发送
binaryData[4] = 0x01
// 包序号
binaryData[5] = this.number / 256
binaryData[6] = this.number % 256
this.number++
// 包标识
},
getPublicKey() {
let buffer = new ArrayBuffer(54)
let binaryData = new Uint8Array(buffer)
// 固定包头
binaryData[0] = 0xEF
binaryData[1] = 0x01
binaryData[2] = 0xEE
binaryData[3] = 0x02
// 包类型 发送
binaryData[4] = 0x01
// 包序号
binaryData[5] = this.number / 256
binaryData[6] = this.number % 256
this.number++
// 包标识
binaryData[7] = 0x20
// 数据长度
binaryData[8] = 42 / 256
binaryData[9] = 42 % 256
binaryData[10] = 42 / 256
binaryData[11] = 42 % 256
// 命令
binaryData[12] = 0x3090 / 256
binaryData[13] = 0x3090 % 256
// // 设备ID
for(let i=0; i < this.lockId.length; i++){
binaryData[14 + i] = this.lockId.charCodeAt(i);
}
// crc
let newBuffer = new ArrayBuffer(56)
let newBinaryData = new Uint8Array(newBuffer)
for(let i = 0; i < 54; i++){
newBinaryData[i] = binaryData[i]
}
newBinaryData[54] = crc.crc16kermit(buffer) / 256
newBinaryData[55] = crc.crc16kermit(buffer) % 256
this.writeBLECharacteristicValue(newBuffer)
},
writeBLECharacteristicValue(data) {
const that = this
console.log('写入设备的设备 ID',that.deviceId)
console.log('写入设备的serviceId',that.serviceId)
console.log('写入设备的characteristicId',that.characteristicId2)
console.log('写入设备的lockID',that.lockId)
let Uint8ArrayData = new Uint8Array(data)
const hexString = Array.from(Uint8ArrayData, byte =>
byte.toString(10)).join(',')
console.log('未加工的数据', hexString)
for(let i = 0; i < Math.ceil(data.byteLength / 20); i++){
let buffer = new ArrayBuffer(20)
let binaryData = new Uint8Array(buffer)
for(let j = 0; j < 20; j++){
if(i * 20 + j < data.byteLength){
binaryData[j] = Uint8ArrayData[i * 20 + j]
}
}
uni.writeBLECharacteristicValue({
deviceId: that.deviceId,
serviceId: that.serviceId,
characteristicId: that.characteristicId2,
value: buffer,
success(write) {
const hexString = Array.from(binaryData, byte =>
byte.toString(10)).join(',')
console.log('写入的数据', hexString)
console.log('写入成功')
},
fail(res) {
console.log('写入失败')
console.log(res)
}
})
}
},
notifyBLECharacteristicValueChange() {
const that = this
uni.notifyBLECharacteristicValueChange({
state: true,
deviceId: that.deviceId,
serviceId: that.serviceId,
characteristicId: that.characteristicId1,
type: 'notification',
success(res) {
console.log(res)
uni.onBLECharacteristicValueChange(function (res) {
console.log('设备特征值改变')
console.log(res)
let binaryData = new Uint8Array(res.value)
const hexString = Array.from(binaryData, byte =>
byte.toString(10)).join(',')
console.log(hexString)
})
}
})
},
connect(item) {
const that = this
if(item.pair) {
return
}
uni.createBLEConnection({
deviceId: item.deviceId,
success(res) {
console.log('连接成功')
console.log(res)
uni.getBLEDeviceServices({
deviceId: item.deviceId,
success(res) {
console.log('获取服务成功')
console.log(res.services)
const uuid = res.services[0].uuid
that.lockId = item.name
console.log('锁ID', that.lockId)
uni.getBLEDeviceCharacteristics({
deviceId: item.deviceId,
serviceId: uuid,
success(res) {
console.log('获取特征值成功')
console.log(res)
that.deviceId = item.deviceId
that.serviceId = uuid
for (let i = 0; i < res.characteristics.length; i++) {
if (res.characteristics[i].uuid.indexOf("FFF1") !== -1) {
that.characteristicId1 = res.characteristics[i].uuid
}
if (res.characteristics[i].uuid.indexOf("FFF2") !== -1) {
that.characteristicId2 = res.characteristics[i].uuid
}
}
that.showList = false
that.notifyBLECharacteristicValueChange()
uni.showToast({
title: '数据获取成功',
icon: 'none',
duration: 2000
})
},
fail(res) {
console.log('获取特征值失败')
console.log(res)
}
})
},
fail(res) {
console.log('获取服务失败')
console.log(res)
}
})
},
fail(res) {
console.log('连接失败')
console.log(res)
}
})
},
startGetList() {
const that = this
this.getting = true
console.log('开始监听蓝牙列表更新')
uni.startBluetoothDevicesDiscovery({
allowDuplicatesKey: false,
powerLevel: 'high',
success: function (res) {
// 更新列表
console.log('列表发生变化', res)
that.getList()
}
})
},
stopGetList(){
const that = this
uni.stopBluetoothDevicesDiscovery({
success: function () {
that.getting = false
console.log('停止获取设备列表成功')
}
})
},
getList() {
const that = this
uni.getBluetoothDevices({
success(res) {
console.log('获取设备列表成功')
console.log(res)
that.list = []
for(let i =0; i < res.devices.length; i++){
if(res.devices[i]?.advertisServiceUUIDs) {
const advertisServiceUUIDs =
res.devices[i]?.advertisServiceUUIDs[0]
if(advertisServiceUUIDs &&
advertisServiceUUIDs.slice(2,8)==='758824'){
res.devices[i].pair =
advertisServiceUUIDs.slice(30,32) === '01'
res.devices[i].sleep =
advertisServiceUUIDs.slice(32,34) === '00'
that.list.push(res.devices[i])
}
}
}
console.log(that.list)
if(!that.getting) {
that.startGetList()
}
},
fail(res) {
console.log('获取设备列表失败')
console.log(res)
}
})
}
}
}
</script>
<style>
.device {
text-align: center;
}
</style>