优化代码

mainwindow.py

@@ -169,6 +169,7 @@ class SocketClientApp(QMainWindow):
         try:
             port = int(port)
             self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+            self.socket.settimeout(2)
             # 设置 keep-alive 选项
             self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
             self.socket.connect((ip, port))
@@ -188,14 +189,17 @@ class SocketClientApp(QMainWindow):
         start_time = time.time()
         try:
             while True:
+                try:
                     # 每次接收 1024 字节的数据
-                chunk =  self.socket.recv(1000)
+                    chunk =  self.socket.recv(1460)
                     buffer_size += len(chunk)
                     print(f"len partf {len(chunk)},buffer_size {buffer_size}")
-                # 拼接数据
-                if buffer_size > 97000*4:
+                    if not chunk:
                         break  # 如果没有数据，退出循环
                     received_data += chunk
+                except socket.timeout:
+                    print(f"接收数据超时（{2} 秒），退出接收循环")
+                    break  # 超时后退出接收循环
             # 记录结束时间
             end_time = time.time()
 
@@ -231,26 +235,35 @@ class SocketClientApp(QMainWindow):
 
                 # 提取实际数据
                 actual_data = received_data[7:7 + data_length]
-                print(f"解析到的长度字段 {len(actual_data)}")
                 complete_data += actual_data  # 将数据拼接到完整数据中
-                print(f"解析到的长度字段2 {len(complete_data)}")
                 # 丢弃已处理的数据
                 received_data = received_data[7 + data_length:]
-                print(f"还剩下解析长度字段 {len(received_data)}")
 
         except Exception as e:
             print(f"发生错误: {e}")
         print(f" 数据: {len(complete_data)}")
+        # 打印前100个字节的数据（以16进制方式）
+        print("前100个字节的数据（16进制表示）：")
+        for i in range(min(100, len(complete_data))):  # 确保不超过数据长度
+            print(f"{complete_data[i]:02X}", end=" ")  # 每个字节以16进制格式打印
+        print()  # 换行
         return complete_data
 
     def on_button_clicked(self):
         """ 获取数据并绘制 """
         try:
             self.status_bar.showMessage("状态: 正在获取数据...")
+            self.socket.sendall(bytes([0xAA, 0x55, 0xAA,0x01]))  # 发送数据
             data = self.receive_data()  # 接收所有数据
             data = np.frombuffer(data, dtype=np.int32)  # 根据实际数据格式转换
+            for i in range(min(100, len(data))):  # 确保不超过数据长度
+                print(f"{data[i]:1f}", end=" ")
+            print()  # 换行
             LSB_32BIT = (2.8 / (2 ** 31)) * ((750 + 287) / 287) * 1000
             scaled_data = data * LSB_32BIT
+            for i in range(min(100, len(scaled_data))):  # 确保不超过数据长度
+                print(f"{scaled_data[i]:2f}", end=" ")
+            print()  # 换行
             self.canvas.plot_data(scaled_data)  # 在 Qt 界面中绘图
             self.status_bar.showMessage("状态: 数据绘制完成")
         except Exception as e: