main_controller: add 重量读取线程

controller/main_controller.py

@@ -1,98 +1,97 @@
-from re import U
-from hardware import transmitter
-from  view.main_window import MainWindow
+from PySide6.QtCore import QTimer, Signal, QObject  # 导入Qt核心类
+from PySide6.QtWidgets import QApplication  # 用于获取主线程
 import threading 
+from hardware import transmitter
+from view.main_window import MainWindow
 from .camera_controller import CameraController
 from .bottom_control_controller import BottomControlController
 from hardware.transmitter import TransmitterController
 from hardware.relay import RelayController
 
+# 定义信号类（用于后台线程向 UI主线程传递数据）
+class Signals(QObject):
+    weight_updated = Signal(int)  # 传递上料斗重量
+
 class MainController:
     def __init__(self):
         # 主界面
         self.main_window = MainWindow()
-        # 定时器
-        self.timer = threading.Timer(5.0, self._onTimer)
-        self.timer.start()  # 每5秒触发一次
-
-        self.timer2=threading.Timer(1.0, self._onTimer2)
-        self.timer2.start()  # 每秒触发一次
-        self.angle=10
-        self.max_angle=60
-        self.min_angle=10
-        self.is_add=True
-        # 初始化子界面
+        
+        # 1. 用于更新下料斗夹爪角度的QTimer
+        self.timer_angle = QTimer()
+        self.timer_angle.setInterval(1000)  # 1秒触发一次
+        self.timer_angle.timeout.connect(self._onTimer2)  # 连接到角度更新函数
+        self.timer_angle.start()
+        
+        # 下料斗夹具角度相关参数
+        self.angle = 10
+        self.max_angle = 60
+        self.min_angle = 10
+        self.is_add = True
+        
+        # 2. 用于更新重量的 QTimer
+        self.timer_weight = QTimer()
+        self.timer_weight.setInterval(2000)  # 2秒触发一次
+        self.timer_weight.timeout.connect(self._read_weight_in_background) 
+        self.timer_weight.start()
+        
+        # 信号实例（用于后台线程传递数据到主线程）
+        self.signals = Signals()
+        self.signals.weight_updated.connect(self._update_upper_weight)  # 主线程更新UI
+        
+        # 初始化子界面和控制器
         self._initSubViews()
-
-        # 初始化子控制器
         self._initSubControllers()
- 
 
-        # self.__connectSignals()
-    
-    def _onTimer(self):
-        # 定时任务逻辑
-        # 变送器是 192.168.250.63，端口 502
-        loc_tra=TransmitterController(RelayController())
-        upper_weight=loc_tra.read_data(1) # 目前只有上料斗安装了变送器
-        # lower_weight=loc_tra.read_data(2)
-        if upper_weight is not None:
-            # upper_weight=0
-            self.main_window.hopper_widget.setUpperHopperWeight(upper_weight)
+    def _read_weight_in_background(self):
+        """在后台线程中读取重量"""
+        def weight_task():
+            loc_tra = TransmitterController(RelayController())
+            # 上料斗重量 (目前只有上料斗安装变送器， 可以读取到重量)
+            upper_weight = loc_tra.read_data(1)  
+            # 发送信号到主线程更新UI
+            if upper_weight is not None:
+                self.signals.weight_updated.emit(upper_weight)
         
-        # if lower_weight is None:
-        #     lower_weight=0
-            
-        # self.main_window.hopper_widget.setUpperHopperWeight(upper_weight)
-        # self.main_window.hopper_widget.setLowerHopperWeight(lower_weight)
-        # 重新启动定时器以实现重复执行
-        self.timer = threading.Timer(5.0, self._onTimer)
-        self.timer.start()
-        pass
-     
+        # 启动后台线程执行重量读取操作
+        threading.Thread(target=weight_task, daemon=True).start()
+
+    def _update_upper_weight(self, weight):
+        """主线程中 更新界面上料斗重量数据"""
+        self.main_window.hopper_widget.setUpperHopperWeight(weight)
+
     def _onTimer2(self):
-        # print(str(self.angle))
-        # 定时任务逻辑
+        """QTimer触发的 料斗夹爪角度更新"""
         if self.is_add:
-            self.angle+=1
+            self.angle += 1
         else:
-            self.angle-=1
+            self.angle -= 1
         
-        if self.angle>self.max_angle:
-            self.is_add=False
-            self.angle=self.max_angle
-        if self.angle<=self.min_angle:
-            self.is_add=True
-            self.angle=10
-
+        if self.angle > self.max_angle:
+            self.is_add = False
+            self.angle = self.max_angle
+        if self.angle <= self.min_angle:
+            self.is_add = True
+            self.angle = 10
+        
+        # 直接更新UI
         self.main_window.hopper_widget.setLowerHopperOpeningAngle(self.angle)
-        # 重新启动定时器以实现重复执行
-        self.timer2 = threading.Timer(1.0, self._onTimer2)
-        self.timer2.start()
-        pass
-    
-  
+
     def showMainWindow(self):
-        # self.main_window.show()
         self.main_window.showFullScreen()
         self.main_window.dispatch_task_widget.set_task_time("task1","15:44 PM")
         self.main_window.dispatch_task_widget.set_task_time("task2","17:37 PM")
         self.main_window.segment_task_widget.set_task_time("task1","15:38 PM")
         self.main_window.segment_task_widget.set_task_time("task2","17:24 PM")
-        
-       
 
     def _initSubControllers(self):
-        # 振捣视频控制
         self.camera_controller = CameraController(
             video_view=self.main_window.vibration_video
         )
-        # 底部控制(按钮)控制器
         self.bottom_control_controller = BottomControlController(
             bottom_control_widget=self.main_window.bottom_control_widget,
             main_window=self.main_window
         )
-        
 
     def _initSubViews(self):
         pass