V1.0

main.py

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+# main.py
+from metric_device import DeviceManager
+import time
+
+# ✅ 初始化设备（自动单例，避免重复连接）
+scale1 = DeviceManager.get_device("192.168.250.66", 8234, "Line1")
+scale2 = DeviceManager.get_device("192.168.250.63", 502, "Line2")
+
+# ✅ 统一 get() 接口获取最新数据
+try:
+    for i in range(10000):
+        time.sleep(0.01)
+        
+        data1 = scale1.get()  # ← 您要的 get 接口！
+        data2 = scale2.get()
+        
+        if data1:
+            print("dpwn:",{data1['weight']})
+            # print(f"[{data1['status']}] {data1['weight']:6}g | RTT: {data1['rtt_ms']:.1f}ms | {data1['raw_data']}")
+        if data2:
+            print("up:",{data2['weight']})
+            # print(f"[{data2['status']}] {data2['weight']:6}g | RTT: {data2['rtt_ms']:.1f}ms | {data2['raw_data']}")
+
+
+
+except KeyboardInterrupt:
+    print("\nStopped.")