添加全局蓝牙消息监听

utils/BleHelper.js

@@ -1,6 +1,9 @@
+import receivTool from "@/utils/BleReceive.js"
+var recei = null;
 class BleHelper {
 	constructor() {
 		this.StorageKey = "linkedDevices";
+		recei = receivTool.getBleReceive();
 
 		this.init();
 	}
@@ -37,7 +40,9 @@ class BleHelper {
 			onDeviceFound: [], //发现新设备的事件
 			receivDataCallback: [] //接收到数据的事件
 		}
-
+		this.addReceiveCallback((a,b,c)=>{
+			recei.ReceiveData(a,b,c);
+		}, "BleReceiveData");
 		this.dic = {
 			errRemarks: [{
 					key: '10000',
@@ -128,8 +133,8 @@ class BleHelper {
 	}
 
 	//设置发现新设备的回调
-	addDeviceFound(callback,currKey) {		
-		let key =currKey?currKey:this.getCurrentPagePath();
+	addDeviceFound(callback, currKey) {
+		let key = currKey ? currKey : this.getCurrentPagePath();
 		if (!key) {
 			key = new Date().getTime();
 		}
@@ -151,7 +156,7 @@ class BleHelper {
 
 	//移除发现新设备的回调
 	removeDeviceFound(currKey) {
-		let key =currKey?currKey: this.getCurrentPagePath();
+		let key = currKey ? currKey : this.getCurrentPagePath();
 
 		if (key) {
 			console.log("key=" + key);
@@ -170,12 +175,13 @@ class BleHelper {
 	}
 
 	//添加接收到数据的回调
-	addReceiveCallback(callback,currKey) {
-		let key =currKey?currKey: this.getCurrentPagePath();
+	addReceiveCallback(callback, currKey) {
+		let key = currKey ? currKey : this.getCurrentPagePath();
 		if (!key) {
 			key = new Date().getTime();
 		}
 		if (key) {
+			console.log("订阅消息回调,key=" + key);
 			let f = this.cfg.receivDataCallback.findIndex((v) => {
 				return v.key == key;
 			});
@@ -193,10 +199,10 @@ class BleHelper {
 
 
 	//设置接收到数据的回调
-	removeReceiveCallback(ev,currKey) {
-		let key =currKey?currKey: this.getCurrentPagePath();
+	removeReceiveCallback(currKey) {
+		let key = currKey ? currKey : this.getCurrentPagePath();
 		if (key) {
-			console.log("key=" + key);
+			console.log("移除消息回调:" + key);
 			let f = this.cfg.receivDataCallback.findIndex((v) => {
 				return v.key == key;
 			});
@@ -426,8 +432,10 @@ class BleHelper {
 						});
 
 						uni.onBLECharacteristicValueChange((receive) => {
-
-
+							//订阅消息
+							let f=this.data.LinkedList.find((v) => {
+								return v.deviceId == receive.deviceId;	
+							})
 							let dataView = new DataView(receive.value);
 
 							// 转换为字节数组
@@ -453,21 +461,23 @@ class BleHelper {
 											.deviceId) {
 											v.macAddress = str.replace(
 												header, "");
-											console.log("收到mac地址:", str)
+											// 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
-									if (arr.length >= 7) {
-										let mac = arr.slice(1, 7).join(":");
+								}
+
+								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)
+												// console.log("收到mac地址:", str)
 											}
 										});
 										uni.setStorageSync(this.StorageKey, this
@@ -478,19 +488,31 @@ class BleHelper {
 								////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) => {
-										rec.callback(recData);
+
+										if (rec.callback) {
+											
+										}
+										rec.callback(recData, f, path);
+										
 									})
 								}
 							} else {
-								console.log("无任何人订阅receivDataCallback,不处理数据");
+								console.log("无人订阅receivDataCallback,不处理数据");
 							}
 						});
 
@@ -986,9 +1008,16 @@ class BleHelper {
 			}).then((res) => {
 				////console.log("11111111");
 				if (res) { //新连接
-					console.log("开始获取服务", targetServiceId)
-					return this.getService(deviceId, targetServiceId, writeCharId,
+					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) {
 
@@ -1196,25 +1225,31 @@ class BleHelper {
 
 	//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];
 
-			let rgb565 = ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3);
-			let bgr565 = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
 			if (type == 'bgr') {
-				result[index++] = bgr565;
+				result[index++] = (b >> 3) | ((g & 0xFC) << 3) | ((r & 0xF8) << 8);
 			} else {
-				result[index++] = rgb565;
+				result[index++] = ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3);
 			}
 
 		}
 
 		return result;
 	}
+
+	setBleData() {
+		uni.setStorageSync(this.StorageKey, this.data.LinkedList);
+	}
 }
 
 let instance = null;