feat(mp): DeviceType 扩展支持 blood_pressure/blood_glucose + 适配器接口改数组返回

apps/miniprogram/src/services/ble/BLEManager.ts

@@ -172,14 +172,14 @@ export class BLEManager {
       // 监听数据通知
       Taro.onBLECharacteristicValueChange((res: any) => {
         if (res.deviceId !== device.deviceId) return;
-        const reading = device.adapter!.parseNotification(
+        const newReadings = device.adapter!.parseNotification(
           res.serviceId,
           res.characteristicId,
           res.value,
         );
-        if (reading) {
-          this.readings = [...this.readings, reading];
-          this.onReadings?.([reading]);
+        if (newReadings.length > 0) {
+          this.readings = [...this.readings, ...newReadings];
+          this.onReadings?.(newReadings);
         }
       });
 

apps/miniprogram/src/services/ble/adapters/XiaomiBandAdapter.ts

@@ -56,27 +56,27 @@ export const XiaomiBandAdapter: DeviceAdapter = {
     _serviceUUID: string,
     charUUID: string,
     data: ArrayBuffer,
-  ): NormalizedReading | null {
+  ): NormalizedReading[] {
     if (charUUID.toUpperCase().includes('2A37')) {
       const hr = parseHeartRate(data);
       if (hr !== null && hr > 0 && hr < 300) {
-        return {
+        return [{
           device_type: 'heart_rate',
           values: { heart_rate: hr },
           measured_at: new Date().toISOString(),
-        };
+        }];
       }
     }
-    return null;
+    return [];
   },
 
   parseReadResponse(
     _serviceUUID: string,
     _charUUID: string,
     _data: ArrayBuffer,
-  ): NormalizedReading | null {
+  ): NormalizedReading[] {
     // 读取模式暂不支持，使用通知模式获取数据
-    return null;
+    return [];
   },
 };
 

apps/miniprogram/src/services/ble/types.ts

@@ -7,12 +7,16 @@ export type DeviceType =
   | 'steps'
   | 'sleep'
   | 'temperature'
-  | 'stress';
+  | 'stress'
+  | 'blood_pressure'
+  | 'blood_glucose';
 
 /** 标准化的设备读数 */
 export interface NormalizedReading {
   device_type: DeviceType;
-  values: Record<string, number>;
+  values: Record<string, number | string>;
+  /** 多指标设备的具体指标（如 systolic/diastolic） */
+  metric?: string;
   measured_at: string;
 }
 
@@ -38,14 +42,14 @@ export interface DeviceAdapter {
     serviceUUID: string,
     charUUID: string,
     data: ArrayBuffer,
-  ): NormalizedReading | null;
+  ): NormalizedReading[];
 
   /** 解析 BLE 读取数据为标准读数 */
   parseReadResponse(
     serviceUUID: string,
     charUUID: string,
     data: ArrayBuffer,
-  ): NormalizedReading | null;
+  ): NormalizedReading[];
 }
 
 /** 扫描发现的 BLE 设备 */