<template>
	<view class="container">
		<view v-if="!blueTooth.blueConn">
			<uni-row>
				<uni-col :span="24">
					<uni-icons type="info" size="100" color="#b4b4b4" class="unconn-icon"></uni-icons>
				</uni-col>
				<uni-col :span="24">
					<text class="unconn-text">蓝牙未开启或未授权</text>
				</uni-col>
			</uni-row>
		</view>
		<view v-if="blueTooth.blueConn">
				<uni-forms ref="bluetoothForm" :modelValue="blueTooth" labelWidth="100px">
					<uni-forms-item label="车辆编号" name="bikeCode">
						<bikeCodeScan @scan-change="bikeCodeScanChange" :codeValue="blueTooth.bikeCode" ref="bikeCodeScanRef" />
					</uni-forms-item>
					<uni-forms-item label="中控编号" name="ecuCode">
						<uni-easyinput v-model="blueTooth.ecuCode" placeholder="-" disabled />
					</uni-forms-item>
					<uni-forms-item label="蓝牙信号" name="blueSignal">
						<uni-easyinput v-model="blueTooth.blueSignal" placeholder="-" disabled />
					</uni-forms-item>
				</uni-forms>
				<view>
					<uni-list :border="true">
						<view class="flex" style="padding: 10px 0 10px 0;">
							<view class="lt-title">
								蓝牙状态
							</view>
							<view class="lt-state">
								<uni-load-more v-if="blueTooth.blueState.load=='loading'" :status="blueTooth.blueState.load"
									iconType="circle" :icon-size="20" :content-text="contentText" />
								<view class="cu-info" v-if="blueTooth.blueState.detectionState=='close'">
									<text	class="cuIcon-roundclosefill text-red"></text>{{blueTooth.blueState.msg}}
								</view>
								<view class="cu-info" v-if="blueTooth.blueState.detectionState=='open'">
									<text	class="cuIcon-roundcheckfill text-green"></text>{{blueTooth.blueState.msg}}
								</view>
							</view>
							<view class="lt-but">
								<view style="bottom: 10rpx;width:100%">
									<button v-if="blueTooth.blueState.detectionState !='open'"
										:disabled="blueTooth.blueState.btuDisabled"
										style="width: 60px;height: 35px;font-size: 15px;" type="primary"
										@click="getEbikeInfo">连接</button>
									<button v-if="blueTooth.blueState.detectionState =='open'"
										:disabled="blueTooth.blueState.btuDisabled"
										style="width: 60px;height: 35px;font-size: 15px;" type="primary"
										@click="closeConn">断开</button>
								</view>
							</view>
						</view>
					</uni-list>
					<uni-list :border="true">
						<view class="flex" style="padding: 10px 0 10px 0;">
							<view class="lt-title">
								车锁开
							</view>
							<view class="lt-state">
								<uni-load-more v-if="blueTooth.openLock.load=='loading'" :status="blueTooth.openLock.load"
									iconType="circle" :icon-size="20" :content-text="contentText" />
								<view class="cu-info">
									<text v-if="blueTooth.openLock.detectionState=='error'"
										class="cuIcon-roundclosefill text-red"></text>{{blueTooth.openLock.msg}}
								</view>
								<view class="cu-info">
									<text v-if="blueTooth.openLock.detectionState=='success'"
										class="cuIcon-roundcheckfill text-green"></text>{{blueTooth.openLock.msg}}
								</view>
							</view>
							<view class="lt-but">
								<view style="bottom: 10rpx;width:100%">
									<button :disabled="blueTooth.openLock.btuDisabled"
										style="width: 60px;height: 35px;font-size: 15px;" type="primary"
										@click="execCommon('openLock')">执行</button>
								</view>
							</view>
						</view>
					</uni-list>
					<uni-list :border="true">
						<view class="flex" style="padding: 10px 0 10px 0;">
							<view class="lt-title">
								车锁关
							</view>
							<view class="lt-state">
								<uni-load-more v-if="blueTooth.closeLock.load=='loading'" :status="blueTooth.closeLock.load"
									iconType="circle" :icon-size="20" :content-text="contentText" />
								<view class="cu-info">
									<text v-if="blueTooth.closeLock.detectionState=='error'"
										class="cuIcon-roundclosefill text-red"></text>{{blueTooth.closeLock.msg}}
								</view>
								<view class="cu-info">
									<text v-if="blueTooth.closeLock.detectionState=='success'"
										class="cuIcon-roundcheckfill text-green"></text>{{blueTooth.closeLock.msg}}
								</view>
							</view>
							<view class="lt-but">
								<view style="bottom: 10rpx;width:100%">
									<button :disabled="blueTooth.closeLock.btuDisabled"
										style="width: 60px;height: 35px;font-size: 15px;" type="primary"
										@click="execCommon('closeLock')">执行</button>
								</view>
							</view>
						</view>
					</uni-list>
					<uni-list :border="true">
						<view class="flex" style="padding: 10px 0 10px 0;">
							<view class="lt-title">
								打开电池仓
							</view>
							<view class="lt-state">
								<uni-load-more v-if="blueTooth.openBatteryHouse.load=='loading'" :status="blueTooth.openBatteryHouse.load"
									iconType="circle" :icon-size="20" :content-text="contentText" />
								<view class="cu-info">
									<text v-if="blueTooth.openBatteryHouse.detectionState=='error'"
										class="cuIcon-roundclosefill text-red"></text>{{blueTooth.openBatteryHouse.msg}}
								</view>
								<view class="cu-info">
									<text v-if="blueTooth.openBatteryHouse.detectionState=='success'"
										class="cuIcon-roundcheckfill text-green"></text>{{blueTooth.openBatteryHouse.msg}}
								</view>
							</view>
							<view class="lt-but">
								<view style="bottom: 10rpx;width:100%">
									<button :disabled="blueTooth.openBatteryHouse.btuDisabled"
										style="width: 60px;height: 35px;font-size: 15px;" type="primary"
										@click="execCommon('openBatteryHouse')">执行</button>
								</view>
							</view>
						</view>
					</uni-list>
					<uni-list :border="true">
						<view class="flex" style="padding: 10px 0 10px 0;">
							<view class="lt-title">
								关闭电池仓
							</view>
							<view class="lt-state">
								<uni-load-more v-if="blueTooth.closeBatteryHouse.load=='loading'" :status="blueTooth.closeBatteryHouse.load"
									iconType="circle" :icon-size="20" :content-text="contentText" />
								<view class="cu-info">
									<text v-if="blueTooth.closeBatteryHouse.detectionState=='error'"
										class="cuIcon-roundclosefill text-red"></text>{{blueTooth.closeBatteryHouse.msg}}
								</view>
								<view class="cu-info">
									<text v-if="blueTooth.closeBatteryHouse.detectionState=='success'"
										class="cuIcon-roundcheckfill text-green"></text>{{blueTooth.closeBatteryHouse.msg}}
								</view>
							</view>
							<view class="lt-but">
								<view style="bottom: 10rpx;width:100%">
									<button :disabled="blueTooth.openBatteryHouse.btuDisabled"
										style="width: 60px;height: 35px;font-size: 15px;" type="primary"
										@click="execCommon('closeBatteryHouse')">执行</button>
								</view>
							</view>
						</view>
					</uni-list>
				</view>
		</view>
	</view>
</template>

<script setup>
	 import { ref, onMounted } from 'vue';
	 import {
		 showModelMessage
	 } from '@/utils/tools.js';
	 import * as api from '@/utils/api.js';
	 import { AES128ECBEncrypt } from '@/utils/aes_util.js';
	 const bluetoothForm = ref(null);
	 const bikeCodeScanRef = ref(null);
	 const serviceId = '0000FFF0-0000-1000-8000-00805F9B34FB';
	 const characteristicId = '0000FFF6-0000-1000-8000-00805F9B34FB';
	 
	 const blueTooth = ref({
		blueConn:false,
		deviceId: '',
		bikeCode: '',
	 	ecuCode: '-',
	 	ecuSn: '-',
	 	blueSignal:'-',
		autoBlueState: true,
		blueState: {
			load: '',
			btuDisabled: true,
			detectionState: '',
			msg: "已断开"
		},
		openLock: {
			load: '',
			btuDisabled: true,
			detectionState: '',
			msg: ""
		},
		closeLock: {
			load: '',
			btuDisabled: true,
			detectionState: '',
			msg: ""
		},
		openBatteryHouse: {
			load: '',
			btuDisabled: true,
			detectionState: '',
			msg: ""
		},
		closeBatteryHouse: {
			load: '',
			btuDisabled: true,
			detectionState: '',
			msg: ""
		}
	 });
	 
	 const contentText = ref({
	 	contentdown: '',
	 	contentrefresh: '读取中',
	 	contentnomore: ''
	 })
	 
	 onMounted(() => {
			uni.openBluetoothAdapter({
			  success(res) {
					if(res.errno == 0){
						blueTooth.value.blueConn = true;
					}
					else
					{
						 //showModelMessage("蓝牙未就绪");
					}
				},
				fail(err) {
					let errmsg = err.errMsg;
					if(err.errCode == 10001){
						
					}
					errmsg = "蓝牙未就绪";
					//showModelMessage("蓝牙未就绪");
				}
			});
			
			uni.onBluetoothAdapterStateChange(function (res) {
			  if(res["available"]){
					blueTooth.value.blueConn = true;
				}
				else
				{
					blueTooth.value.blueConn = false;
				}
			});
	 });
	 
	 let timer;
	 const bikeCodeScanChange = (data) => {
	 	clearTimeout(timer);
	 	blueTooth.value.bikeCode = data;
		if(data != ""){
			timer = setTimeout(function () {
				getEbikeInfo();
			}, 5000);
		}
	 };
	 
	 const getEbikeInfo = () => {
		 if(blueTooth.value.deviceId != ""){
			 createBLEConnection();
		 }
		 else
		 {
			 api.callEbikeInfo("getBikeINfoData?bikeCode=" + blueTooth.value.bikeCode).then((res)=>{
				if(res.code == 200 && res.data){
					if(res.data.ecuCode != ""){
						blueTooth.value.ecuCode = res.data.ecuCode;
						blueTooth.value.ecuSn = res.data.ecuSn;
						blueTooth.value.blueState.load=='loading';
						setTimeout(function () {
							startBluetoothDevicesDiscovery("ECU-" + res.data.ecuSn);
						}, 2000);
					}
					else
					{
						showModelMessage("该车辆未绑定中控");
					}
				}
				else
				{
					showModelMessage("该车辆未绑定中控");
				}
			 }).catch((err)=>{
				showModelMessage("该车辆未绑定中控");
			 });
		 }
	 };
	 
	 const stopBluetoothDevicesDiscovery =() =>{
		 uni.stopBluetoothDevicesDiscovery({
		   success(res) {
		     
		   }
		 });
	 }
	 
	 const closeConn =() =>{
	 		uni.closeBLEConnection({
	 			deviceId: blueTooth.value.deviceId,
	 			success(res) {
	 				blueTooth.value.autoBlueState = false;
	 			}
	 		});
	 }
	 
	 const execCommon = (comm) => {
		  switch(comm){
				case "openLock": //开锁
					var buffer = new ArrayBuffer(5);
					var dataView = new DataView(buffer);
					dataView.setUint32(0, 0X67740082);
					dataView.setUint8(4, 0x82);
					writeBLECharacteristicValueWithBuff(buffer);
					break;
				case "closeLock": //关锁
					var buffer = new ArrayBuffer(5);
					var dataView = new DataView(buffer);
					dataView.setUint32(0, 0X67740081);
					dataView.setUint8(4, 0x81);
					writeBLECharacteristicValueWithBuff(buffer);
					break;
				case "openBatteryHouse": //打开电池仓
					var buffer = new ArrayBuffer(6);
					var dataView = new DataView(buffer);
					dataView.setUint32(0, 0X67740189);
					dataView.setUint8(4, 0);
					var i;
					var bcc;
					for (i = 0; i < 2; i++) {
						bcc ^= dataView.getInt8(i + 3);
					}
					dataView.setInt8(5, bcc);
					writeBLECharacteristicValueWithBuff(buffer);
					break;
				case "closeBatteryHouse": //关闭电池仓
					var buffer = new ArrayBuffer(6);
					var dataView = new DataView(buffer);
					dataView.setUint32(0, 0X67740189);
					dataView.setUint8(4, 1);
					var i;
					var bcc;
					for (i = 0; i < 2; i++) {
						bcc ^= dataView.getInt8(i + 3);
					}
					dataView.setInt8(5, bcc);
					writeBLECharacteristicValueWithBuff(buffer);
					break;
			}
	 }
	 
	 const startBluetoothDevicesDiscovery = (sn) =>{
		 uni.startBluetoothDevicesDiscovery({
		   success(res) {
				 if(res.errno == 0){
					 uni.onBluetoothDeviceFound(function (res) {
					  const devices = res.devices;
					  for(let i=0;i < devices.length; i++){
							if(devices[i].localName == sn){
								// 停止搜索
								stopBluetoothDevicesDiscovery();
								blueTooth.value.deviceId = devices[i].deviceId;
								blueTooth.value.blueSignal = devices[i].RSSI;
								createBLEConnection();
								break;
							}
						}
					 });
					 setTimeout(function () {
						//showModelMessage("未发现蓝牙设备"); 
						//停止搜索
						stopBluetoothDevicesDiscovery();
					 }, 120000);
				 }
		   },
			 fail(err) {
		    //showModelMessage("未发现蓝牙设备"); 
		   }
		 });
	 };
	 
	 const createBLEConnection =() =>{
		 blueTooth.value.autoBlueState = true;
		 uni.createBLEConnection({
				deviceId: blueTooth.value.deviceId,
				success(res) {
					//console.log("createBLEConnection success",res);
					blueTooth.value.blueState.load=='';
					blueTooth.value.blueState.detectionState = "open";
					blueTooth.value.blueState.msg = "已连接";
					blueTooth.value.blueState.btuDisabled = false;
					blueTooth.value.openLock.btuDisabled = false;
					blueTooth.value.closeLock.btuDisabled = false;
					blueTooth.value.openBatteryHouse.btuDisabled = false;
					blueTooth.value.closeBatteryHouse.btuDisabled = false;
					uni.onBLEConnectionStateChange(function (res) {
						//console.log("onBLEConnectionStateChange",res);
					  if(!res.connected && blueTooth.value.autoBlueState){
							blueTooth.value.blueState.btuDisabled = false;
							blueTooth.value.openLock.btuDisabled = true;
							blueTooth.value.closeLock.btuDisabled = true;
							blueTooth.value.openBatteryHouse.btuDisabled = true;
							blueTooth.value.closeBatteryHouse.btuDisabled = true;
							blueTooth.value.blueState.detectionState = "close";
							blueTooth.value.blueState.msg = "已断开";
							createBLEConnection();
						}
					});
					startNotify();
				},
				fail(err) {
					//console.log("createBLEConnection err",err);
					blueTooth.value.blueSignal = "-";
					blueTooth.value.blueState.btuDisabled = false;
					blueTooth.value.openLock.btuDisabled = true;
					blueTooth.value.closeLock.btuDisabled = true;
					blueTooth.value.openBatteryHouse.btuDisabled = true;
					blueTooth.value.closeBatteryHouse.btuDisabled = true;
					blueTooth.value.blueState.detectionState = "close";
					blueTooth.value.blueState.msg = "已断开";
					showModelMessage("蓝牙连接失败");  
				}
		 });
	 };
	 
	 const startNotify = () => {
	 	uni.notifyBLECharacteristicValueChange({
	 		state:true,
	 		deviceId: blueTooth.value.deviceId,
	 		serviceId: serviceId,
	 		characteristicId: characteristicId,
	 		success(res) {
				//console.log("notifyBLECharacteristicValueChange success",res);
	 			//stopDiscovery();
	 			uni.onBLECharacteristicValueChange(function(res){
	 				var hex = bufTohex(res.value);
	 				//console.log("特征改变:", hex);
	 				if (hex.length > 10) {
	 				  var header = hex.substring(0, 4);
	 				  if (header == '6774') {
	 				    var contentL1 = hex.substring(4, 6);
	 				    var contentL = parseInt(contentL1, 16);
	 				    //console.log('+++++++++++=', (contentL + 5), hex.length)
	 				    if ((contentL + 5) * 2 == hex.length) {
	 				      //console.log('完整的一条数据contentL=', contentL)
	 				      distributeCommandsWithDataStr(hex)
	 				    } else if ((contentL + 5) * 2 > hex.length) { //需要分包接受数据
	 				      // 第一次接受分包数据
	 				      self.responseStr = hex;
	 				      //console.log('分包接受数据未实现', hex)
	 				      //console.log('第一次接受分包数据contentL2=', contentL)
	 				    } else { //数据异常 ,查看
	 				      //console.log('数据异常 ,查看1', hex)
	 				    }
	 				    return;
	 				  }
	 				} else {
	 				  //console.log('分包接受数据未实现', hex)
	 				}
	 			});
				verification();
	 		}
	 	})
	 };
	 
	 const verification = (mac, key1, key2) => {
		if (mac && key1 && key2) {
			//数据总长度为21，第一天长度20
			var buffer = new ArrayBuffer(20)
			var dataView = new DataView(buffer)
			dataView.setUint32(0, 0X6774108a)
			var sourceKey1 = mac + key1
			var AESEncrypt = AES128ECBEncrypt(sourceKey1, key2)
			if (AESEncrypt.length != 32) {
				return;
			}
			for (var i = 0; i < 4; i++) {
				var subStr = AESEncrypt.substring(i * 8, i * 8 + 8, 16);
				dataView.setUint32(i * 4 + 4, parseInt(subStr, 16)); //4字节01523947(16进制)-->>10进制数字-->放入dateView
			}
			var i;
			var bcc;//17为数据长度16+1
			for (i = 0; i < 17; i++) {
				bcc ^= dataView.getInt8(i + 3);
			}
			var buffer2 = new ArrayBuffer(1)
			var dataView2 = new DataView(buffer2)
			dataView2.setUint8(0, bcc)
			console.log('验证', bufTohex(buffer));
			writeBLECharacteristicValueWithBuff(buffer);
			setTimeout(() => {
				writeBLECharacteristicValueWithBuff(buffer2);
			}, 300);
		} else {
			var buffer = new ArrayBuffer(5)
			var dataView = new DataView(buffer)
			dataView.setUint32(0, 0X6774008a)
			dataView.setUint8(4, 0x8a)
			writeBLECharacteristicValueWithBuff(buffer);
		}
	}
	 
	const writeBLECharacteristicValueWithBuff = (buffer) => {
	  uni.writeBLECharacteristicValue({
	 		deviceId: blueTooth.value.deviceId,
	 		serviceId: serviceId,
	 		characteristicId: characteristicId,
	     value: buffer,
	     success: function (res) {
	       console.log('writeBLECharacteristicValue success', res.errMsg)
	     },
	     fail: function (res) {
	       console.log('writeBLECharacteristicValue fail', res.errMsg)
	     },
	     complete: function (res) {
	     }
	  });
	};
	
	let verificationTimes = 0;
	const distributeCommandsWithDataStr = (hex) => {
		var cmd = hex.substring(6, 8);
		var code = hex.substring(8, 10);
		var errCode = code
		var desDic = {}
		var des = '';
		if (code == '00') {
			des = '成功'
			errCode = 0
		} else if (code == 'ff') { //-1
			des = '锁已打开'
			errCode = -1
		} else if (code == 'fe') { //-2
			des = '电量不足'
			errCode = -2
		} else if (code == 'fd') { //-3
			des = '加密验证失败'
			errCode = -3
		} else if (code == 'fc') { //-4
			des = '内存空间不足'
			errCode = -4
		} else if (code == 'fb') { //-5
			des = '格式错误'
			errCode = -5
		} else if (code == 'fa') { //-6
			des = '没有验证或验证失败'
			errCode = -6
			desDic['mac'] = hex.substring(10, 22);
			desDic['key'] = hex.substring(22, 30);
		} else if (code == 'f9') { //-7
			des = 'flash写入失败'
			errCode = -7
		} else if (code == 'f8') { //-8
			des = '数据空'
			errCode = -8
		} else if (code == 'f7') { //-9
			des = '操作失败'
			errCode = -9
		} else if (code == 'f6') { //-10
			des = '运输模式下无法执行该指令'
			errCode = -10
		} else if (code == 'f5') { //-11
			des = '锁车失败，车辆未停止'
			errCode = -11
		} else if (code == 'f4') { //-12
			des = '未检测到道钉信息'
			errCode = -12
		} else if (parseInt(code,16) == 149) { //
			des = '摄像头正在工作中'
			errCode = parseInt(code,16)
		}  else if (parseInt(code,16) == 150) { //
			des = '摄像头离线'
			errCode = parseInt(code,16)
		}  else if (parseInt(code,16) == 151) { //
			des = '车辆不在使用中（临时停车或是还车中）无法使用摄像头还车'
			errCode = parseInt(code,16)
		}  else if (parseInt(code,16) == 152) { //
			des = '执行命令超时'
			errCode = parseInt(code,16)
		}  else if (parseInt(code,16) == 153) { //
			des = '摄像头执行失败'
			errCode = parseInt(code,16)
		}  else if (parseInt(code,16) == 154) { //
			des = '不在站点中或没有垂直停车'
			errCode = parseInt(code,16)
		} else {
			des = '未知错误码' + code
			errCode = code
		}
		console.log('distributeCommandsWithDataStr', hex)
		desDic['errCode'] = errCode
		desDic['des'] = des
		// if (cmd == '41') { //关锁指令
		//   if (!that.data.fortifiedDing) {
		//     if (that.BLESetUpDefences) {
		//       desDic['CMD'] = '81'
		//       that.BLESetUpDefences(desDic);
		//     } else {
		//       console.log('未找到BLESetUpDefences函数')
		//     }
		//   } else {
		//     if (that.BLEFortifiedDing) {
		//       // 6774108a
		//       if (hex.length > 22) {
		//         desDic['macDing'] = hex.substring(10, 22);
		//       }
		//       desDic['CMD'] = '81'
		//       that.BLEFortifiedDing(desDic);
		//     } else {
		//       console.log('未找到BLEFortifiedDing函数')
		//     }
		//   }
		// } 
		// else if (cmd == '42') { //开锁指令
		//   if (that.BLEUnlock) {
		//     desDic['CMD'] = '82'
		//     that.BLEUnlock(desDic);
		//   } else {
		//     console.log('未找到BLEUnlock函数')
		//   }
		// } 
		// else if (cmd == '44') { //重启设备
		//   if (that.BLEResetDevice) {
		//     desDic['CMD'] = '84'
		//     that.BLEResetDevice(desDic);
		//   } else {
		//     console.log('未找到BLEResetDevice函数')
		//   }
		// } 
		// else if (cmd == '46') { //修改设备工作模式
		//   if (that.BLEUpdateDeviceMode) {
		//     desDic['CMD'] = '86'
		//     that.BLEUpdateDeviceMode(desDic);
		//   } else {
		//     console.log('未找到BLEUpdateDeviceMode函数')
		//   }
		// } 
		// else if (cmd == '47') { //获取版本信息
		//   if (that.BLEGetVersionInfo) {
		//     var hardwareVersion = hex.substring(10, 12);
		//     var softwareVersion = hex.substring(12, 16);
		//     desDic['CMD'] = '87'
		//     desDic['hardwareVersion'] = hardwareVersion
		//     desDic['softwareVersion'] = softwareVersion
		//     that.BLEGetVersionInfo(desDic);
		//   } else {
		//     console.log('未找到BLEGetVersionInfo函数')
		//   }
		// } 
		// else if (cmd == '49') { //打开电池仓
		//   if (that.BLEOpenTheBatteryCompartment) {
		//     desDic['CMD'] = '89'
		//     that.BLEOpenTheBatteryCompartment(desDic);
		//   } else {
		//     console.log('未找到BLEOpenTheBatteryCompartment函数')
		//   }
		// } 
		// else 
		if (cmd == '4a') { //验证
			if (verificationTimes >= 1) {
				verificationTimes = 0
				if (errCode == -6) {
					verificationTimes = 1;
					verification(desDic.mac, desDic.key, '6666660000888888')
					return;
				}
				//验证成功 
				return;
			} else {
				verificationTimes += 1;
			}
			if (errCode == -6) {
				verification(desDic.mac, desDic.key, '6666660000888888')
			}
		} 
		// else if (cmd == '4b') { //临时停车
		//   if (that.BLETemporaryParking) {
		//     desDic['CMD'] = '8b'
		//     that.BLETemporaryParking(desDic);
		//   } else {
		//     console.log('未找到BLETemporaryParking函数')
		//   }
		// } 
		// else if (cmd == '4c') { //继续用车
		//   if (that.BLEContinueUnlocking) {
		//     desDic['CMD'] = '8c'
		//     that.BLEContinueUnlocking(desDic);
		//   } else {
		//     console.log('未找到BLEContinueUnlocking函数')
		//   }
		// }  
		// else if (cmd == '4d') { //继续用车
		//   if (that.BLEOpenHelmetLock) {
		//     desDic['CMD'] = '8d'
		//     that.BLEOpenHelmetLock(desDic);
		//   } else {
		//     console.log('未找到BLEOpenHelmetLock函数')
		//   }
		// } 
		// else if (cmd == '4e') { //摄像头还车 67740a 4e 95 00 000000ff 00000000 24
		//   if (that.BLELockBikeWithCamera) {
		//     desDic['CMD'] = '8e'
		//     //摄像头执行的错误码
		//     desDic['code'] = parseInt(hex.substring(10, 12),16)
		//     // （目标图像识别到的图像角度，标识报砂识别到的目标图片与车头方向顺时针的角度值，如果未识别到的角度则 255）
		//     desDic['angle'] = parseInt(hex.substring(12, 20),16)
		//     // 如示例 0x01 0x01 0x00 0x01 从左到右 第一位 byte：芯片型号。值 01 海思；02 联咏 03 富瀚微 第二位 byte ：标志系列 值 01 黄白，02 黄蓝，04 预留 11 多颜色输入适配 第三、四位 byte 低字节递增 ：版本号如 0001，0002，0003
		//     desDic['version'] = hex.substring(20, 28)
		//     that.BLELockBikeWithCamera(desDic);
		//   } else {
		//     console.log('未找到BLELockBikeWithCamera函数')
		//   }
		// }
		else {
			console.log('未找到对应指令及函数')
		}
	} 
	
	const bufTohex = (buffer) => {
		return Array.prototype.map.call(new Uint8Array(buffer), x => ('00' + x.toString(16)).slice(-2)).join('');
	}
</script>

<style>
	.container {
		padding: 15px;
		background-color: #fff;
	}
	
	.unconn-icon{
		display: flex;
		/* 启用 Flexbox 布局 */
		justify-content: center;
		/* 水平居中 */
		align-items: center;
		/* 垂直居中 */
	}
	
	.unconn-text{
		width: 100%;
		height: 80rpx;
		display: flex;
		/* 启用 Flexbox 布局 */
		justify-content: center;
		/* 水平居中 */
		align-items: center;
		/* 垂直居中 */
		color: #b4b4b4;
	}
	
	.lt-title {
		width: 30%;
		padding: 8px 0 0 0;
		font-size: 14px;
	}
	
	.lt-state {
		width: 50%;
		display: flex;
		flex-direction: column;
		justify-content: center;
	}
	
	.lt-but {
		width: 20%;
	}
</style>
