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+<template>
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+ <div id="firmwareContainer">
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+ <van-button @click="ConnectBrain">连接</van-button>
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+ <p>脑环名称：{{ brain_sn }}</p>
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+ <p v-html="result"></p>
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+ <van-button @click="downloadUpateFile">下载更新文件</van-button>
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+ <van-button @click="readUpdateFile">读取文件</van-button>
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+ </div>
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+</template>
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+<script>
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+import {getDeviceBySn} from "../../../requests/game";
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+import game_store from "@/store/game";
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+
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+var $this;
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+var FileSystemManager = wx.getFileSystemManager();
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+export default {
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+ name: "firmwareContainer",
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+ data() {
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+ return {
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+ brain_sn: "",
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+ result: "",
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+ updateImageSavePath: "",
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+ software_version: "",
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+ model: "",
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+ }
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+ },
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+ methods: {
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+ /**
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+ * 扫码连接设备
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+ * @constructor
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+ */
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+ ConnectBrain() {
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+ wx.scanCode({
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+ onlyFromCamera: true,
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+ scanType: ["barCode", "qrCode"],
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+ success: (res) => {
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+ let $data = res;
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+ if ($data.result) {
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+ let url = decodeURIComponent($data.result);
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+ let $code = "";
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+
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+ //二维码
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+ if (res.scanType == "QR_CODE") {
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+ if (url.indexOf("AI") != -1) {
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+ $code = url.substr(url.indexOf("AI"));
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+ } else if (url.toUpperCase().indexOf("JELLYFISH")) {
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+ $code = url.substr(url.toUpperCase().indexOf("JELLYFISH"));
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+ }
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+ } else {
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+ //一维码
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+ $code = res.result.toUpperCase();
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+ }
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+ console.log($code)
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+ // 判断新的标识值
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+ $this.brain_sn = $code;
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+ $this.AddContent(`脑环:${$code}`)
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+ //打开蓝牙设备
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+ wx.getSystemInfo({
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+ success(res) {
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+ // 判断ios 和 安卓
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+ if (res.platform == "ios") {
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+ wx.openBluetoothAdapter({
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+ //判断主机模式蓝牙是否打开
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+ mode: "central",
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+ success(res) {
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+ //判断已经打开连接了
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+ if (res["errMsg"] == "openBluetoothAdapter:ok") {
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+ // $this.startBluetoothDevicesDiscovery();
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+ wx.openBluetoothAdapter({
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+ //判断从机模式蓝牙是否打开
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+ mode: "peripheral",
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+ success(res) {
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+ if (res["errMsg"] == "openBluetoothAdapter:ok") {
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+ $this.startBluetoothDevicesDiscovery();
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+ }
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+ },
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+ fail(err) {
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+ let $msg =
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+ $this.$bluetooth.GetopenBluetoothAdapterError(
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+ err["errCode"]
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+ );
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+ setTimeout(() => {
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+ Toast.fail({
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+ message: $msg,
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+ });
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+ }, 3000);
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+ },
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+ });
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+ }
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+ },
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+ fail(err) {
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+ let $msg = $this.$bluetooth.GetopenBluetoothAdapterError(
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+ err["errCode"]
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+ );
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+ setTimeout(() => {
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+ Toast.fail({
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+ message: $msg,
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+ });
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+ }, 3000);
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+ },
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+ });
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+ } else {
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+ // 安卓手机
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+ wx.openBluetoothAdapter({
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+ mode: "peripheral",
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+ success(res) {
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+ //判断已经打开连接了
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+ if (res["errMsg"] == "openBluetoothAdapter:ok") {
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+ $this.startBluetoothDevicesDiscovery();
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+ }
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+ },
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+ fail(err) {
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+ let $msg = $this.$bluetooth.GetopenBluetoothAdapterError(
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+ err["errCode"]
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+ );
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+ setTimeout(() => {
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+ Toast.fail({
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+ message: $msg,
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+ });
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+ }, 3000);
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+ },
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+ });
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+ }
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+ },
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+ });
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+ }
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+ },
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+ fail(res) {
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+ console.log(res);
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+ },
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+ });
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+
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+ },
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+ /**
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+ * 开始蓝牙被发现
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+ */
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+ startBluetoothDevicesDiscovery() {
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+ wx.startBluetoothDevicesDiscovery({
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+ allowDuplicatesKey: true,
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+ success: (res) => {
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+ //2021年10月21日15:07:57 通过sn 返回deviceId
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+ getDeviceBySn($this.code).then((res) => {
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+ let $data = res.data;
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+ console.log($data.code);
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+ $data = $data.data;
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+ wx.getSystemInfo({
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+ success(res) {
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+ // 判断ios 和 安卓
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+ if (res.platform == "ios") {
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+ $this.onBluetoothDeviceFound();
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+ } else {
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+ if ($data.device_id) {
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+ console.log("finded");
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+ $this.device_finded = true;
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+ $this.createBLEConnection($data.device_id);
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+ } else {
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+ $this.device_finded = false;
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+ console.log("unfinded");
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+ $this.onBluetoothDeviceFound();
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+ }
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+ }
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+ },
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+ });
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+ });
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+ },
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+ fail(err) {
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+ $this.change_device_status(3);
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+ },
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+ });
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+ },
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+ onBluetoothDeviceFound() {
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+ try {
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+ wx.onBluetoothDeviceFound((res) => {
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+ res.devices.forEach((device) => {
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+ if (!device.name && !device.localName) {
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+ return;
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+ }
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+ if (device.localName && device.localName != "") {
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+ device.name = device.localName;
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+ }
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+ if (device["name"].toUpperCase() == $this.brain_sn) {
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+ wx.stopBluetoothDevicesDiscovery();
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+ console.log("搜索设备", device);
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+ $this.createBLEConnection(device.deviceId);
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+ }
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+ });
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+ });
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+ } catch (e) {
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+ console.log("打开蓝牙error", e);
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+ }
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+ },
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+ /**
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+ * 连接低功耗蓝牙设备
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+ * @param deviceId
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+ */
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+ createBLEConnection(deviceId) {
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+ wx.createBLEConnection({
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+ deviceId: deviceId,
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+ success: (res) => {
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+
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+ // 设置mtu单位大小
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+ wx.setBLEMTU({
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+ deviceId,
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+ mtu: 250,
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+ success(res) {
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+ console.log("设置mtu成功", JSON.stringify(res));
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+ }
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+ })
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+
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+ $this.$bluetooth.getBLEDeviceServices(deviceId);
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+ let $checkServices = setInterval(() => {
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+ let $serviceId = game_store.getters.getServiceId();
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+ if ($serviceId) {
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+ clearInterval($checkServices);
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+ $this.$bluetooth.openNotify($this);
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+ $this.$bluetooth.watchingDevice($this);
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+ $this.$bluetooth.watch_bluetooth_status($this);
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+ //读取信息逐个写入
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+ if (!$this.device_finded) {
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+ setTimeout(() => {
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+ $this.$bluetooth.SendOrder("02");
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+ }, 3000);
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+ }
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+ }
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+ }, 1500);
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+ console.log("连接成功")
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+ $this.AddContent("连接成功");
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+ },
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+ fail(err) {
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+ console.log(err);
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+ },
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+ });
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+ },
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+ /**
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+ * 下载更新文件
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+ */
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+ downloadUpateFile() {
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+ wx.downloadFile({
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+ url: 'https://vs.shuimuai.com/ble/update.img', //仅为示例，并非真实的资源
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+ success(res) {
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+ // 只要服务器有响应数据，就会把响应内容写入文件并进入 success 回调，业务需要自行判断是否下载到了想要的内容
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+ if (res.statusCode === 200) {
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+ $this.AddContent("下载成功")
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+ console.log(res)
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+ //将临时文件保存到用户文件路径下
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+ FileSystemManager.saveFile({
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+ tempFilePath: res.tempFilePath,
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+ filePath: `${wx.env.USER_DATA_PATH}/update.img`,
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+ success(res) {
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+ $this.updateImageSavePath = res.savedFilePath
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+ $this.AddContent(`保存地址：${res.savedFilePath}`)
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+ }, fail(err) {
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+ console.log(err)
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+ }
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+ })
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+ }
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+ }
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+ })
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+ },
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+ AddContent(content) {
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+ $this.result += `<p>${content}</p>`
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+ },
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+ /**
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+ * 读取更新文件
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+ */
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+ readUpdateFile() {
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+ FileSystemManager.readFile({
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+ filePath: $this.updateImageSavePath,
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+ success(res) {
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+ $this.AddContent("读取文件成功")
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+ let buffer_len = new Uint8Array(res.data).length
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+ let $file_dec_index = 0;
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+ for (let i = 0; i < buffer_len; i += 16) {
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+ let buffer = new Uint8Array(res.data, i, 16);
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+ console.log(buffer)
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+ if (i == 0) {
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+ //读取第一行信息 并返回 文件解密下标
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+ $file_dec_index = $this.getUpdateHeader0(buffer)
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+ }
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+ if (i == 1*16) {
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+ for (let j = 0; j < buffer.length; j++) {
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+ $this.software_version += String.fromCharCode(buffer[j])
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+ }
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+ $this.AddContent(`软件版本：${$this.software_version}`)
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+ }
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+ if (i == 2*16) {
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+ for (let j = 0; j < buffer.length; j++) {
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+ $this.model += String.fromCharCode(buffer[j])
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+ }
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+ $this.AddContent(`软件版本：${$this.model}`)
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+ }
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+ if(i==5*16){
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+ break;
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+ }
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+ }
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+ },
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+ fail(err) {
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+ console.log(err)
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+ }
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+ })
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+ },
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+ /**
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+ * 获取第一行头部信息
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+ * @param buffer 数据包
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+ * @returns {number} 返回需要解密的位置信息
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+ */
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+ getUpdateHeader0(buffer) {
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+ //验证升级标志
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+ let update_tag = [88, 48, 57, 57]
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+ let update_tag_count = update_tag.length
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+ for (let i = 0; i < update_tag.length; i++) {
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+ let _buffer = buffer[i].toString(16);
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+ //验证升级标志
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+ if (_buffer == update_tag[i]) {
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+ update_tag_count -= 1;
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+ if (update_tag_count == 0) {
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+ $this.AddContent("验证升级标志成功")
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+ }
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+ }
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+ }
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+
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+ //获取payload长度
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+ let payload_len = ""
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+ for (let i = 7; i > 3; i--) {
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+ let _buffer = buffer[i].toString(16);
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+ //验证升级标志
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+ payload_len += `${_buffer}`;
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+ }
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+ payload_len = parseInt(payload_len, 16);
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+ $this.AddContent(`payload长度:${payload_len}`)
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+
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+ //获取升级的offset
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+ let update_offset = 0
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+ for (let i = 15; i > 11; i--) {
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+ let _buffer = buffer[i].toString(16);
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+ //验证升级标志
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+ update_offset += parseInt(_buffer);
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+ }
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+ $this.AddContent(`offset:${update_offset}`)
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+
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+ //文件总长度
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+ let file_total_size = payload_len + parseInt(update_offset, 16)
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+ $this.AddContent(`文件总长度:${file_total_size}`)
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+ return update_offset;
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+ }
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+ },
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+ created() {
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+ $this = this;
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+ }
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+}
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+</script>
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Fury