1274 lines
29 KiB
JavaScript
1274 lines
29 KiB
JavaScript
import receivTool from "@/utils/BleReceive.js"
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var recei = null;
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class BleHelper {
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constructor() {
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this.StorageKey = "linkedDevices";
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recei = receivTool.getBleReceive();
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this.init();
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}
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init() {
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let key = this.StorageKey;
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var store = uni.getStorageInfoSync();
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var f = store.keys.find(function(v) {
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return v == key;
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});
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var linkedDevices = [];
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if (f) {
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linkedDevices = uni.getStorageSync(key);
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}
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if (linkedDevices && linkedDevices.length && linkedDevices.length > 0) {
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console.log("111111", linkedDevices);
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linkedDevices.filter((v) => {
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v.Linked = false;
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v.notifyState = false;
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});
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}
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setTimeout(() => {
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this.linkAllDevices();
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}, 10);
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this.data = {
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isOpenBlue: false, //蓝牙模块是否开启
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available: false, //蓝牙状态是否可用
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discovering: false, //蓝牙是否正在搜索
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searchList: [], //已搜索到的设备列表,
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isSubscribe: false, //是否开启了订阅
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LinkedList: linkedDevices, //已连接的设备列表
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}
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this.cfg = {
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onDeviceFound: [], //发现新设备的事件
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receivDataCallback: [] //接收到数据的事件
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}
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this.addReceiveCallback((a,b,c)=>{
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recei.ReceiveData(a,b,c);
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}, "BleReceiveData");
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this.dic = {
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errRemarks: [{
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key: '10000',
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remark: '未初始化蓝牙适配器'
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},
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{
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key: '10001',
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remark: '当前蓝牙适配器不可用'
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},
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{
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key: '10002',
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remark: '没有找到指定设备'
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},
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{
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key: '10003',
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remark: '蓝牙设备连接失败'
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},
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{
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key: '10004',
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remark: '蓝牙设备没有找到指定服务'
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},
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{
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key: '10005',
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remark: '蓝牙设备没有找到指定特征值'
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},
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{
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key: '10006',
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remark: '蓝牙连接已断开'
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},
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{
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key: '10007',
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remark: '蓝牙设备当前特征值不支持此操作'
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},
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{
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key: '10008',
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remark: '其余所有系统上报的异常'
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},
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{
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key: '10009',
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remark: '蓝牙设备不支持BLE低功耗蓝牙'
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},
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{
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key: '10010',
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remark: '已连接'
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},
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{
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key: '10011',
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remark: '蓝牙设备配对设备需要配对码'
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},
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{
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key: '10012',
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remark: '蓝牙设备连接超时'
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},
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{
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key: '10013',
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remark: '连接 deviceId 为空或者是格式不正确'
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}
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]
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}
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}
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linkAllDevices() {
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// console.log("模块启动时，自动连接已连接过的设备", this.data.LinkedList);
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if (this.data.LinkedList && this.data.LinkedList.length > 0) {
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for (var i = 0; i < this.data.LinkedList.length; i++) {
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let device = this.data.LinkedList[i];
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// console.log("自动连接:" + device.deviceId);
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this.LinkBlue(device.deviceId, device.writeServiceId, device.wirteCharactId, device
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.notifyCharactId);
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}
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} else {
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// console.log("无设备连接");
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}
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}
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getCurrentPagePath() {
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const pages = getCurrentPages();
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if (pages.length === 0) {
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return "";
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}
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const currentPage = pages[pages.length - 1];
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// console.log("currentPage=", currentPage.route);
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return currentPage.route;
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}
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//设置发现新设备的回调
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addDeviceFound(callback, currKey) {
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let key = currKey ? currKey : this.getCurrentPagePath();
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if (!key) {
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key = new Date().getTime();
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}
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if (key) {
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console.log("key=" + key);
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let f = this.cfg.onDeviceFound.findIndex((v) => {
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return v.key == key;
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});
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if (f > -1) {
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this.cfg.onDeviceFound[f].callback = callback;
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return;
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}
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this.cfg.onDeviceFound.push({
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key: key,
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callback: callback
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});
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}
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}
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//移除发现新设备的回调
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removeDeviceFound(currKey) {
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let key = currKey ? currKey : this.getCurrentPagePath();
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if (key) {
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console.log("key=" + key);
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let f = this.cfg.onDeviceFound.findIndex((v) => {
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return v.key == key;
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});
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if (f > -1) {
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this.cfg.onDeviceFound.splice(f, 1);
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}
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} else {
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if (this.cfg.onDeviceFound.length > 0) {
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this.cfg.onDeviceFound.splice(this.cfg.onDeviceFound.length - 1, 1);
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}
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}
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}
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//添加接收到数据的回调
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addReceiveCallback(callback, currKey) {
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let key = currKey ? currKey : this.getCurrentPagePath();
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if (!key) {
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key = new Date().getTime();
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}
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if (key) {
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// console.log("订阅消息回调,key=" + key);
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let f = this.cfg.receivDataCallback.findIndex((v) => {
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return v.key == key;
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});
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if (f > -1) {
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this.cfg.receivDataCallback.callback = callback;
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return;
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}
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this.cfg.receivDataCallback.push({
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key: key,
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callback: callback
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});
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}
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}
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//设置接收到数据的回调
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removeReceiveCallback(currKey) {
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let key = currKey ? currKey : this.getCurrentPagePath();
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if (key) {
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console.log("移除消息回调:" + key);
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let f = this.cfg.receivDataCallback.findIndex((v) => {
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return v.key == key;
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});
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if (f > -1) {
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this.cfg.receivDataCallback.splice(f, 1);
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}
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} else {
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if (this.cfg.receivDataCallback.length > 0) {
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this.cfg.receivDataCallback.splice(this.cfg.receivDataCallback.length - 1, 1);
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}
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}
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}
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getError(ex) {
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let code = ex.code;
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ex.msg = "未知的异常"
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let f = this.dic.errRemarks.find((v) => {
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return v.key == code;
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});
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if (f) {
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ex.msg = f.remark;
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}
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return ex;
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}
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//引导到设置中打开蓝牙
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showBlueSetting(showTip) {
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let platform = process.env.UNI_PLATFORM;
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var openBlueSetting = function() {
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// 判断平台类型
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if (platform === 'mp-weixin') {
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uni.openSetting();
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} else if (platform === 'app-plus' || platform === 'app') {
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//----------------------------------------------------------------
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const osName = plus.os.name;
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if (osName === 'iOS') {
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// iOS 平台打开蓝牙设置
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plus.runtime.openURL('App-Prefs:root=Bluetooth', function() {
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////console.log('成功打开蓝牙设置');
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}, function(err) {
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console.error('打开蓝牙设置失败：' + err.message);
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uni.showModal({
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title: '提示',
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content: '无法自动打开蓝牙设置，请手动前往设置 > 蓝牙 进行操作。',
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showCancel: false
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});
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});
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} else if (osName === 'Android') {
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// Android 平台打开蓝牙设置
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try {
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const Intent = plus.android.importClass('android.content.Intent');
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const Settings = plus.android.importClass('android.provider.Settings');
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const main = plus.android.runtimeMainActivity();
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const intent = new Intent(Settings.ACTION_BLUETOOTH_SETTINGS);
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main.startActivity(intent);
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} catch (e) {
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console.error('打开蓝牙设置失败：' + e.message);
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// 尝试使用通用设置页面作为备选方案
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plus.runtime.openURL('settings://', function() {
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////console.log('打开系统设置成功，请手动找到蓝牙选项');
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}, function() {
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uni.showModal({
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title: '提示',
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content: '无法自动打开蓝牙设置，请手动前往设置页面开启蓝牙。',
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showCancel: false
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});
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});
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}
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} else {
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uni.showModal({
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title: '提示',
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content: '当前系统不支持自动打开蓝牙设置，请手动操作。',
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showCancel: false
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});
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}
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//--------------------------------------------------------------------
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} else if (platform === 'mp-alipay') {
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uni.openSetting();
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}
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}
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if (showTip !== undefined) {
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openBlueSetting();
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return;
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}
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if (platform === 'mp-weixin' || platform === 'app-plus' ||
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platform === 'mp-alipay' || platform === 'app') {
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uni.showModal({
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title: '蓝牙未开启',
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content: '请在系统设置中打开蓝牙以使用此功能',
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success: (res) => {
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if (res.confirm) {
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openBlueSetting();
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}
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}
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});
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} else {
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////console.log("当前平台不支持打开系统设置" + platform);
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}
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}
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//获取蓝牙适配器状态
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CheckBlue() {
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return new Promise((resolve, reject) => {
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if (this.data.available) {
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resolve({
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available: this.data.available,
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discovering: this.data.discovering
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});
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return;
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}
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if (!this.data.isOpenBlue) {
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resolve({
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available: false,
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discovering: false
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});
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return;
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}
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uni.getBluetoothAdapterState({
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success: (info) => {
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this.data.available=info.available;
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this.data.discovering=info.discovering;
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resolve(info);
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},
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fail: (ex1) => {
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////console.log("ex1", ex1);
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let res1 = {
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available: false,
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discovering: false
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}
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resolve(res1);
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}
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});
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});
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}
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//打开蓝牙适配器
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OpenBlue() {
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var init = () => {
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return new Promise((resolve, reject) => {
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if (this.data.isOpenBlue) {
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console.log("蓝牙状态已可用，提前返回");
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resolve(false);
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return;
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}
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uni.openBluetoothAdapter({
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success: (args) => {
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// console.log("蓝牙初始化成功:" + JSON.stringify(args));
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this.data.isOpenBlue = true;
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this.data.available=true;
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resolve(true);
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if (this.data.isSubscribe) { //整个App生命周期，只订阅一次
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return;
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}
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// console.log("开始订阅各类变化消息");
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this.data.isSubscribe = true;
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var bytesToHexString = (bytes) => {
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return bytes.map(byte => byte.toString(16).padStart(2,
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'0'));
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}
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uni.onBluetoothAdapterStateChange((state) => {
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console.log('蓝牙状态发生变化:' + JSON.stringify(state));
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this.data.available = state.available;
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this.data.discovering = state.discovering;
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if (this.data.available && this.data
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.isOpenBlue) { //蓝牙状态再次可用，重连所有设备
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}
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if (!state.available) { //蓝牙状态不可用了，将所有设备标记为断开连接
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this.data.LinkedList.filter((v) => {
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v.Linked = false;
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v.notifyState = false;
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return true;
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});
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uni.setStorageSync(this.StorageKey, this.data
|
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.LinkedList);
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}
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});
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uni.onBLEConnectionStateChange((res) => {
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if (!res.connected) {
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console.log("蓝牙连接已断开", res);
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this.data.LinkedList.find((v) => {
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if (v.deviceId == res.deviceId) {
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v.Linked = false;
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v.notifyState = false;
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return true;
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}
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return false;
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});
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uni.setStorageSync(this.StorageKey, this.data
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.LinkedList);
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} else {
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// console.log("蓝牙连接已恢复，", res);
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}
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});
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uni.onBluetoothDeviceFound((devices) => {
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// ////console.log("发现新设备:" + JSON.stringify(devices));
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this.data.searchList = this.data.searchList.concat(
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devices);
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if (this.cfg.onDeviceFound) {
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if (this.cfg.onDeviceFound.length > 0) {
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this.cfg.onDeviceFound.forEach((found) => {
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found.callback(devices);
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});
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}
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}
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});
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uni.onBLECharacteristicValueChange((receive) => {
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//订阅消息
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// console.log("收到订阅消息",receive);
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let f=this.data.LinkedList.find((v) => {
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return v.deviceId == receive.deviceId;
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})
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let dataView = new DataView(receive.value);
|
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// 转换为字节数组
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let bytes = [];
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for (let i = 0; i < dataView.byteLength; i++) {
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bytes.push(dataView.getUint8(i));
|
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}
|
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let hexs = bytesToHexString(bytes);
|
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let str = '';
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try {
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let uint8Array = new Uint8Array(receive.value);
|
||
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for (let i = 0; i < uint8Array.length; i++) {
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// 将每个字节转换为对应的字符
|
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str += String.fromCharCode(uint8Array[i]);
|
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}
|
||
let header = "mac address:";
|
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if (str.indexOf(header) == 0) { //650以文本传输mac
|
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|
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this.data.LinkedList.find((v) => {
|
||
if (v.deviceId == receive
|
||
.deviceId) {
|
||
v.macAddress = str.replace(
|
||
header, "");
|
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// console.log("收到mac地址:", str)
|
||
}
|
||
});
|
||
uni.setStorageSync(this.StorageKey, this.data
|
||
.LinkedList);
|
||
}
|
||
|
||
if (bytes[0] == 0xFC) { //6155以0xFC开头代表mac地址
|
||
// console.log("收到mac地址:", bytes)
|
||
if (bytes.length >= 7) {
|
||
let mac = hexs.slice(1, 7).join(":")
|
||
.toUpperCase();
|
||
this.data.LinkedList.find((v) => {
|
||
if (v.deviceId == receive
|
||
.deviceId) {
|
||
v.macAddress = mac;
|
||
// console.log("收到mac地址:", str)
|
||
}
|
||
});
|
||
uni.setStorageSync(this.StorageKey, this
|
||
.data.LinkedList);
|
||
}
|
||
}
|
||
} catch (ex) {
|
||
////console.log("将数据转文本失败", ex);
|
||
}
|
||
let recData = {
|
||
deviceId: receive.deviceId,
|
||
serviceId: receive.serviceId,
|
||
characteristicId: receive.characteristicId,
|
||
bytes: bytes,
|
||
str: str,
|
||
hexs: hexs
|
||
};
|
||
// console.log("监听到特征值:" + JSON.stringify(recData));
|
||
if (this.cfg.receivDataCallback) {
|
||
|
||
if (this.cfg.receivDataCallback.length > 0) {
|
||
|
||
let path = this.getCurrentPagePath();
|
||
|
||
this.cfg.receivDataCallback.forEach((rec) => {
|
||
|
||
if (rec.callback) {
|
||
rec.callback(recData, f, path);
|
||
}
|
||
})
|
||
}
|
||
} else {
|
||
console.log("无人订阅receivDataCallback,不处理数据");
|
||
}
|
||
});
|
||
|
||
|
||
},
|
||
fail: (ex2) => {
|
||
console.log("蓝牙模块启动失败", ex2);
|
||
reject(this.getError(ex2));
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
return new Promise((resolve, reject) => {
|
||
if (this.data.isOpenBlue) {
|
||
resolve();
|
||
return;
|
||
}
|
||
|
||
this.CheckBlue().then((res) => {
|
||
console.log("res=", res)
|
||
return init();
|
||
}).then(resolve).catch((ex) => {
|
||
console.log("22222");
|
||
reject(ex);
|
||
});
|
||
|
||
|
||
});
|
||
}
|
||
//关闭蓝牙适配器
|
||
CloseBlue() {
|
||
return new Promise((resolve, reject) => {
|
||
this.data.available = false;
|
||
this.data.discovering = false;
|
||
this.data.isOpenBlue = false;
|
||
this.data.searchList = [];
|
||
|
||
this.StopSearch();
|
||
|
||
this.disconnectDevice();
|
||
|
||
uni.closeBluetoothAdapter({
|
||
success: () => {
|
||
console.log("蓝牙模块已关闭");
|
||
this.data.isOpenBlue = false;
|
||
},
|
||
fail: (ex) => {
|
||
ex = this.getError(ex);
|
||
////console.log(msg);
|
||
},
|
||
complete: () => {
|
||
resolve();
|
||
}
|
||
});
|
||
|
||
});
|
||
|
||
}
|
||
|
||
//开始搜索新设备
|
||
StartSearch() {
|
||
this.data.searchList = [];
|
||
var these = this;
|
||
//开始搜索
|
||
var Search = () => {
|
||
console.log("Search........");
|
||
return new Promise((resolve, reject) => {
|
||
uni.startBluetoothDevicesDiscovery({
|
||
services: [],
|
||
allowDuplicatesKey: true,
|
||
success: (res) => {
|
||
//console.log('开始搜索蓝牙设备成功');
|
||
resolve(res);
|
||
|
||
},
|
||
fail: (err) => {
|
||
console.log(`搜索蓝牙设备失败:`, err);
|
||
|
||
reject(this.getError(err));
|
||
}
|
||
});
|
||
});
|
||
|
||
|
||
}
|
||
|
||
|
||
|
||
return this.OpenBlue().then((res) => {
|
||
console.log("蓝牙适配器状态", res)
|
||
|
||
return Search();
|
||
});
|
||
|
||
|
||
}
|
||
//停止搜索
|
||
StopSearch() {
|
||
return new Promise((resolve, reject) => {
|
||
uni.stopBluetoothDevicesDiscovery({
|
||
success: (res) => {
|
||
//console.log("停止搜索蓝牙设备成功");
|
||
resolve();
|
||
},
|
||
fail: (ex) => {
|
||
//console.log("无法停止蓝牙搜索");
|
||
|
||
reject(this.getError(ex));
|
||
}
|
||
});
|
||
})
|
||
|
||
}
|
||
//获取已连接的设备
|
||
getLinkBlue(callback) {
|
||
return new Promise((resolve, reject) => {
|
||
uni.getConnectedBluetoothDevices({
|
||
success: (res) => {
|
||
|
||
resolve(res);
|
||
|
||
|
||
},
|
||
fail: (ex) => {
|
||
////console.log("获取已连接设备异常", ex);
|
||
|
||
reject({
|
||
devices: []
|
||
});
|
||
|
||
}
|
||
});
|
||
});
|
||
|
||
|
||
}
|
||
|
||
//订阅消息
|
||
subScribe(deviceId, state) {
|
||
return new Promise((resolve, reject) => {
|
||
setTimeout(() => {
|
||
let c = this.data.LinkedList.find((v) => {
|
||
return v.deviceId == deviceId;
|
||
});
|
||
if (state) {
|
||
if (c.notifyState) {
|
||
resolve();
|
||
return;
|
||
}
|
||
}
|
||
console.log("c=", c);
|
||
let startSubScribe = (id, serviceId, characteristicId) => {
|
||
|
||
return new Promise((succ, err) => {
|
||
uni.notifyBLECharacteristicValueChange({
|
||
deviceId: id,
|
||
serviceId: serviceId,
|
||
characteristicId: characteristicId,
|
||
state: state,
|
||
success: (res) => {
|
||
if (state) {
|
||
// console.log("订阅消息成功", res);
|
||
} else {
|
||
console.log("取消订阅成功", res);
|
||
}
|
||
|
||
this.data.LinkedList.find((v) => {
|
||
if (v.deviceId == deviceId) {
|
||
v.notifyState = state;
|
||
}
|
||
});
|
||
succ();
|
||
},
|
||
fail: (ex) => {
|
||
|
||
err(this.getError(ex));
|
||
}
|
||
});
|
||
});
|
||
}
|
||
let promies = new Array();
|
||
for (var i = 0; i < c.Characteristics.length; i++) {
|
||
let item = c.Characteristics[i];
|
||
let serviceId = item.serviceId;
|
||
let characteristicId = item.uuid;
|
||
|
||
if (item.properties.notify) {
|
||
promies.push(startSubScribe(deviceId, serviceId, characteristicId));
|
||
}
|
||
}
|
||
if (promies.length > 0) {
|
||
Promise.allSettled(promies).then((results) => {
|
||
|
||
results.forEach((result, index) => {
|
||
if (result.status === "fulfilled") {
|
||
//console.log(`操作${index + 1}成功:`, result.value);
|
||
} else {
|
||
// console.log(`操作${index + 1}失败:`, result.reason
|
||
// .message);
|
||
}
|
||
});
|
||
|
||
resolve();
|
||
}).catch((ex) => {
|
||
reject(ex);
|
||
});
|
||
} else {
|
||
resolve();
|
||
}
|
||
|
||
|
||
|
||
}, 20);
|
||
|
||
});
|
||
}
|
||
|
||
//获取服务
|
||
getService(id, targetServiceId, writeCharId, notifyCharId) {
|
||
|
||
if (!targetServiceId) {
|
||
targetServiceId = "xx"; // "FFE0";
|
||
}
|
||
return new Promise((resolve, reject) => {
|
||
var repeatCnt = 0;
|
||
var startgetService = () => {
|
||
|
||
uni.getBLEDeviceServices({
|
||
deviceId: id,
|
||
success: (res) => {
|
||
if (res.services && res.services.length > 0) {
|
||
console.log("获取到服务：" + JSON.stringify(res));
|
||
|
||
this.data.LinkedList.find((v) => {
|
||
if (v.deviceId == id) {
|
||
v.services = res.services;
|
||
}
|
||
});
|
||
uni.setStorageSync(this.StorageKey,
|
||
this.data.LinkedList);
|
||
|
||
var promises = [];
|
||
let se = res.services.find((v) => {
|
||
return v.uuid.indexOf(targetServiceId) > -1;
|
||
});
|
||
if (se) {
|
||
promises.push(this.getFeatrus(id, se.uuid, writeCharId,
|
||
notifyCharId));
|
||
} else {
|
||
for (var i = 0; i < res.services.length; i++) {
|
||
let service = res.services[i];
|
||
promises.push(this.getFeatrus(id, service.uuid,
|
||
writeCharId, notifyCharId));
|
||
}
|
||
}
|
||
|
||
|
||
if (promises.length == 0) {
|
||
console.log("未找到主服务");
|
||
reject({
|
||
msg: "未找到主服务",
|
||
code: -1
|
||
});
|
||
} else {
|
||
|
||
Promise.all(promises)
|
||
.then(results => {
|
||
|
||
return this.subScribe(id, true);
|
||
})
|
||
.then((res) => {
|
||
console.log('设备连接成功，初始化完成', res);
|
||
console.log("LinkedList=", this.data
|
||
.LinkedList);
|
||
resolve();
|
||
})
|
||
.catch(error => {
|
||
console.log("errrr", error);
|
||
reject(error);
|
||
});
|
||
}
|
||
|
||
|
||
|
||
} else {
|
||
repeatCnt++;
|
||
if (repeatCnt > 5) {
|
||
|
||
reject({
|
||
msg: "获取设备服务失败",
|
||
code: -1
|
||
});
|
||
|
||
return;
|
||
}
|
||
setTimeout(function() {
|
||
startgetService(id);
|
||
}, 100);
|
||
}
|
||
},
|
||
fail: (ex) => {
|
||
reject(this.getError(ex));
|
||
}
|
||
})
|
||
}
|
||
|
||
setTimeout(function() {
|
||
startgetService(id);
|
||
}, 100);
|
||
});
|
||
}
|
||
|
||
//获取特征
|
||
getFeatrus(id, serviceId, writeCharId, notifyCharId) {
|
||
var promise = new Promise((resolve, reject) => {
|
||
uni.getBLEDeviceCharacteristics({
|
||
deviceId: id,
|
||
serviceId: serviceId,
|
||
success: (res) => {
|
||
console.log("获取到特征:" + JSON.stringify(res));
|
||
res.characteristics.forEach((v) => {
|
||
v.serviceId = serviceId;
|
||
});
|
||
//写特征
|
||
let writeChar = res.characteristics.find(char => {
|
||
return char.uuid.indexOf(writeCharId) > -1
|
||
});
|
||
if (!writeChar) {
|
||
writeChar = res.characteristics.find(char => {
|
||
return char.properties.write;
|
||
});
|
||
}
|
||
//通知特征
|
||
let notiChar = res.characteristics.find(char => {
|
||
return char.uuid.indexOf(notifyCharId) > -1;
|
||
});
|
||
if (!notiChar) {
|
||
notiChar = res.characteristics.find(char => {
|
||
return char.properties.notify;
|
||
});
|
||
}
|
||
this.data.LinkedList.find(function(v) {
|
||
if (v.deviceId == id) {
|
||
if (!v.Characteristics) {
|
||
v.Characteristics = [];
|
||
}
|
||
|
||
for (var i = 0; i < res.characteristics.length; i++) {
|
||
let item = res.characteristics[i];
|
||
let flag = false;
|
||
for (var j = 0; j < v.Characteristics.length; j++) {
|
||
let charact = v.Characteristics[j];
|
||
if (charact.uuid == item.uuid) {
|
||
flag = true;
|
||
break;
|
||
}
|
||
}
|
||
if (!flag) {
|
||
v.Characteristics.push(item);
|
||
}
|
||
}
|
||
|
||
|
||
if (writeChar) {
|
||
v.writeServiceId = serviceId;
|
||
v.wirteCharactId = writeChar.uuid;
|
||
}
|
||
|
||
if (notiChar) {
|
||
v.notifyServiceid = serviceId;
|
||
v.notifyCharactId = notiChar.uuid;
|
||
}
|
||
return true;
|
||
}
|
||
return false;
|
||
});
|
||
|
||
|
||
|
||
uni.setStorageSync(this.StorageKey, this.data.LinkedList);
|
||
resolve(res);
|
||
},
|
||
fail: (ex) => {
|
||
////console.log("获取特征出现异常:" + JSON.stringify(ex));
|
||
reject(ex);
|
||
}
|
||
});
|
||
});
|
||
return promise;
|
||
}
|
||
|
||
//连接某个设备
|
||
LinkBlue(deviceId, targetServiceId, writeCharId, notifyCharId) {
|
||
|
||
|
||
if (!writeCharId) {
|
||
writeCharId = "xxxx"; // "FFE1";
|
||
}
|
||
if (!notifyCharId) {
|
||
notifyCharId = "xxxxx"; // "FFE2";
|
||
}
|
||
|
||
|
||
|
||
let fIndex = -1;
|
||
let f = this.data.LinkedList.find((v, index) => {
|
||
if (v.deviceId == deviceId) {
|
||
fIndex = index;
|
||
return true;
|
||
}
|
||
return false;
|
||
});
|
||
////console.log("findex=" + fIndex);
|
||
|
||
var these = this;
|
||
|
||
|
||
//连接设备
|
||
var linkDevice = () => {
|
||
return new Promise((resolve, reject) => {
|
||
|
||
if (fIndex > -1 && f?.Linked) {
|
||
console.log("当前已连接，跳过其他步骤")
|
||
resolve(false);
|
||
return;
|
||
}
|
||
if(!this.data.available){
|
||
reject(this.getError({code:10001}));
|
||
return;
|
||
}
|
||
console.log("正在连接" + deviceId);
|
||
uni.createBLEConnection({
|
||
deviceId: deviceId,
|
||
timeout: 3000,
|
||
success: (info) => {
|
||
|
||
console.log("新连接成功", this.data.LinkedList);
|
||
this.getLinkBlue().then((arr) => {
|
||
let cr = arr.devices.find(c => {
|
||
if (c.deviceId == deviceId) {
|
||
c.Linked = true;
|
||
return true;
|
||
}
|
||
return false;
|
||
|
||
});
|
||
if (fIndex > -1) {
|
||
this.data.LinkedList[fIndex].Linked = true;
|
||
} else {
|
||
this.data.LinkedList.push(cr);
|
||
}
|
||
|
||
uni.setStorageSync(this.StorageKey, this.data
|
||
.LinkedList);
|
||
|
||
let os = plus.os.name;
|
||
if (os == 'android') {
|
||
uni.setBLEMTU({
|
||
deviceId: deviceId,
|
||
mtu: 512,
|
||
success: (mtu) => {
|
||
|
||
////console.log("mtu设置成功");
|
||
},
|
||
fail: () => {
|
||
////console.log("mtu设置失败")
|
||
}
|
||
});
|
||
}
|
||
|
||
resolve(true);
|
||
|
||
}).catch((ex) => {
|
||
|
||
reject(this.getError(ex));
|
||
});
|
||
|
||
|
||
},
|
||
fail: (ex) => {
|
||
ex = this.getError(ex)
|
||
console.log("蓝牙连接失败" + JSON.stringify(ex));
|
||
reject(ex);
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
|
||
|
||
|
||
return new Promise((resolve, reject) => {
|
||
this.OpenBlue().then((res) => {
|
||
////console.log("2222222");
|
||
return linkDevice(deviceId);
|
||
}).then((res) => {
|
||
////console.log("11111111");
|
||
if (res) { //新连接
|
||
if (fIndex == -1) {
|
||
console.log("开始获取服务", targetServiceId)
|
||
return this.getService(deviceId, targetServiceId, writeCharId,
|
||
notifyCharId); //获取服务
|
||
} else {
|
||
if (!f.notifyState) {
|
||
this.subScribe(deviceId, true);
|
||
}
|
||
return Promise.resolve(true);
|
||
}
|
||
} else { //已连接过，直接订阅消息
|
||
if (fIndex > -1 && f && !f.notifyState) {
|
||
|
||
this.subScribe(deviceId, true);
|
||
}
|
||
return Promise.resolve(true); //已连接过的设备无需获取服务
|
||
}
|
||
|
||
}).then(() => {
|
||
|
||
|
||
setTimeout(() => {
|
||
resolve();
|
||
}, 500);
|
||
}).catch((ex) => {
|
||
////console.log("出现异常", ex);
|
||
reject(ex);
|
||
});
|
||
});
|
||
|
||
|
||
}
|
||
//断开连接
|
||
disconnectDevice(deviceId) {
|
||
var disconnect = (id) => {
|
||
return new Promise((resolve, reject) => {
|
||
uni.closeBLEConnection({
|
||
deviceId: id,
|
||
success: (res) => {
|
||
////console.log("蓝牙连接已断开:" + id);
|
||
this.subScribe(id, false);
|
||
resolve();
|
||
},
|
||
fail: (ex) => {
|
||
|
||
reject(this.getError(ex));
|
||
}
|
||
});
|
||
});
|
||
|
||
}
|
||
if (deviceId) {
|
||
disconnect(deviceId);
|
||
|
||
this.data.LinkedList.find(v => {
|
||
if (v.deviceId === deviceId) {
|
||
return true;
|
||
}
|
||
return false;
|
||
});
|
||
|
||
return;
|
||
}
|
||
|
||
if (this.data.LinkedList.length > 0) {
|
||
let arr = [];
|
||
for (var i = 0; i < this.data.LinkedList.length; i++) {
|
||
let item = this.data.LinkedList[i];
|
||
if (item.Linked) {
|
||
arr.push(disconnect(item.deviceId));
|
||
}
|
||
|
||
}
|
||
if (arr.length == 0) {
|
||
return;
|
||
}
|
||
|
||
Promise.allSettled(arr).then((results) => {
|
||
results.forEach((result, index) => {
|
||
if (result.status === 'fulfilled') {
|
||
////console.log(`第${index + 1}个Promise成功:`, result.value);
|
||
} else {
|
||
////console.log(`第${index + 1}个Promise失败:`, result.reason.message);
|
||
}
|
||
});
|
||
});
|
||
|
||
} else {
|
||
////console.log("无已连接设备");
|
||
}
|
||
}
|
||
|
||
//向蓝牙设备发送数据，如果没连接将自动连接后再发
|
||
sendData(deviceid, buffer, writeServiceId, wirteCharactId, ms) {
|
||
|
||
// console.log("deviceid=" + deviceid + ",writeServiceId=" + writeServiceId + ",wirteCharactId=" +
|
||
// wirteCharactId + ",timeout=" + ms)
|
||
if (ms === undefined) {
|
||
ms = 50;
|
||
}
|
||
let c = this.data.LinkedList.find((v) => {
|
||
return v.deviceId == deviceid;
|
||
});
|
||
let device = {
|
||
deviceId: deviceid,
|
||
writeServiceId: null,
|
||
wirteCharactId: null
|
||
};
|
||
if (writeServiceId) {
|
||
device.writeServiceId = writeServiceId;
|
||
}
|
||
if (wirteCharactId) {
|
||
device.wirteCharactId = wirteCharactId;
|
||
}
|
||
if (!device.writeServiceId || !device.wirteCharactId) {
|
||
//console.log("从已连接中找设备")
|
||
if (c) {
|
||
device = c;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
let sendBuffer = () => {
|
||
|
||
return new Promise(async (resolve, reject) => {
|
||
|
||
var promise = new Promise((succ, err) => {
|
||
if (!c) {
|
||
err(this.getError({
|
||
code: 10002
|
||
})); //没有找到指定设备
|
||
return;
|
||
}
|
||
// console.log("device=", device);
|
||
uni.writeBLECharacteristicValue({
|
||
deviceId: device.deviceId,
|
||
serviceId: device.writeServiceId,
|
||
characteristicId: device.wirteCharactId,
|
||
value: buffer,
|
||
success: () => {
|
||
console.log("发送数据成功");
|
||
succ();
|
||
},
|
||
fail: (ex) => {
|
||
ex = this.getError(ex);
|
||
console.log("发送数据失败", ex);
|
||
|
||
err(ex);
|
||
}
|
||
});
|
||
});
|
||
if (plus.os.name == 'iOS') {
|
||
|
||
function timeOut(ms) {
|
||
return new Promise((_, err) => {
|
||
setTimeout(() => {
|
||
err({
|
||
code: -1,
|
||
errMsg: '超时了'
|
||
})
|
||
}, ms);
|
||
});
|
||
}
|
||
|
||
Promise.race([timeOut(ms), promise]).then(resolve).catch((ex) => {
|
||
console.log("ex=", ex);
|
||
if (ex.code == -1) {
|
||
resolve(ex);
|
||
} else {
|
||
reject(ex);
|
||
}
|
||
|
||
}).finally(() => {
|
||
//console.log("完成了")
|
||
});
|
||
} else {
|
||
promise.then(resolve).catch(reject);
|
||
}
|
||
});
|
||
|
||
}
|
||
if (c.Linked) {
|
||
// console.log("蓝牙已连接，直接发送");
|
||
return sendBuffer();
|
||
} else {
|
||
// console.log("先连接蓝牙再发送");
|
||
return new Promise((resolve, reject) => {
|
||
let f = this.data.LinkedList.find((v) => {
|
||
return v.deviceId == deviceid;
|
||
});
|
||
if (!f) {
|
||
reject({
|
||
code: '-9',
|
||
msg: '蓝牙未连接过此设备,请重新使用蓝牙添加该设备'
|
||
});
|
||
retrn;
|
||
}
|
||
this.LinkBlue(f.deviceId, f.writeServiceId, f.wirteCharactId, f.notifyCharactId).then((
|
||
res) => {
|
||
console.log("连接成功");
|
||
return sendBuffer();
|
||
}).then(() => {
|
||
//console.log("发送成功")
|
||
resolve();
|
||
}).catch((ex) => {
|
||
//console.log("出现异常", ex);
|
||
reject(this.getError(ex));
|
||
});
|
||
});
|
||
}
|
||
|
||
|
||
}
|
||
|
||
//将点阵数据转换成RGB565
|
||
convertToRGB565(pixels, type) {
|
||
if (!type) {
|
||
type = 'rgb';
|
||
}
|
||
const result = new Uint16Array(pixels.length / 4);
|
||
let index = 0;
|
||
for (let i = 0; i < pixels.length; i += 4) {
|
||
let r = pixels[i];
|
||
let g = pixels[i + 1];
|
||
let b = pixels[i + 2];
|
||
let a = pixels[i + 3];
|
||
|
||
if (type == 'bgr') {
|
||
result[index++] = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
|
||
} else {
|
||
result[index++] = ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3);
|
||
}
|
||
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
setBleData() {
|
||
uni.setStorageSync(this.StorageKey, this.data.LinkedList);
|
||
}
|
||
}
|
||
|
||
let instance = null;
|
||
export default {
|
||
getBleTool: function(found, receive) {
|
||
if (!instance) {
|
||
instance = new BleHelper();
|
||
|
||
} else {
|
||
////console.log("调用现有实例");
|
||
}
|
||
|
||
return instance;
|
||
}
|
||
} |