expo-ble模块测试demo

2025-12-10 10:29:50 +08:00
parent 709c466792
commit 41f4080264
23 changed files with 3749 additions and 141 deletions
--- a/ble/services/DeviceInfoService.ts
+++ b/ble/services/DeviceInfoService.ts
@@ -0,0 +1,76 @@
+import {BleProtocolService} from './BleProtocolService';
+import {COMMAND_TYPES, RESPONSE_TYPES} from '../protocol/Constants';
+import {DeviceInfo, ActivationStatus} from '../protocol/types';
+import {Buffer} from 'buffer';
+
+export class DeviceInfoService {
+    private protocol = BleProtocolService.getInstance();
+    private static instance: DeviceInfoService;
+    private listeners: Map<string, Set<Function>> = new Map();
+
+    private constructor() {
+        this.protocol.addListener(RESPONSE_TYPES.DEVICE_INFO_REPORT, this.onDeviceInfo);
+        this.protocol.addListener(RESPONSE_TYPES.ACTIVATION_STATUS, this.onActivationStatus);
+    }
+
+    public static getInstance(): DeviceInfoService {
+        if (!DeviceInfoService.instance) {
+            DeviceInfoService.instance = new DeviceInfoService();
+        }
+        return DeviceInfoService.instance;
+    }
+
+    private onDeviceInfo = (data: ArrayBuffer, deviceId: string) => {
+        try {
+            const str = Buffer.from(data).toString('utf-8');
+            // Remove null characters if any
+            const cleanStr = str.replace(/\0/g, '');
+            const json = JSON.parse(cleanStr) as DeviceInfo;
+            this.emit('deviceInfo', json);
+        } catch (e) {
+            console.error("Failed to parse device info", e);
+        }
+    }
+
+    private onActivationStatus = (data: ArrayBuffer, deviceId: string) => {
+        try {
+            const str = Buffer.from(data).toString('utf-8');
+            const cleanStr = str.replace(/\0/g, '');
+            const json = JSON.parse(cleanStr) as ActivationStatus;
+            this.emit('activationStatus', json);
+        } catch (e) {
+            console.error("Failed to parse activation status", e);
+        }
+    }
+
+    public addListener(event: string, cb: Function) {
+        if (!this.listeners.has(event)) this.listeners.set(event, new Set());
+        this.listeners.get(event)!.add(cb);
+    }
+
+    public removeListener(event: string, cb: Function) {
+        if (this.listeners.has(event)) {
+            this.listeners.get(event)!.delete(cb);
+        }
+    }
+
+    private emit(event: string, data: any) {
+        this.listeners.get(event)?.forEach(cb => cb(data));
+    }
+
+    public async queryDeviceInfo(deviceId: string) {
+        await this.protocol.send(deviceId, COMMAND_TYPES.DEVICE_INFO_SETTINGS, {
+            type: COMMAND_TYPES.DEVICE_INFO_SETTINGS
+        });
+    }
+
+    public async queryActivationStatus(deviceId: string) {
+        await this.protocol.send(deviceId, COMMAND_TYPES.ACTIVATION_QUERY, {
+            type: COMMAND_TYPES.ACTIVATION_QUERY
+        });
+    }
+
+    public async queryDeviceVersion(deviceId: string) {
+        await this.protocol.send(deviceId, COMMAND_TYPES.VERSION_QUERY, {type: COMMAND_TYPES.VERSION_QUERY})
+    }
+}