新增模拟硬件测试功能

ReinLoop/core/connection_manager.py

@@ -4,15 +4,21 @@
 纯业务逻辑，无 UI 依赖。通过回调与 UI 层通信。
 """
 
-import time
-from PcControl import MT2AM8Client
+import os
+import time
+from PcControl import MT2AM8Client
+from core.simulated_device import SimulatedDevice
 
 
 class ConnectionManager:
     """管理 MT2-AM8 模块连接的生命周期"""
 
-    def __init__(self):
-        self.modbus_client = None  # MT2AM8Client (TCP 读压力/流量，控电机)
+    def __init__(self, simulation=None):
+        self.modbus_client = None  # MT2AM8Client (TCP 读压力/流量，控电机)
+        if simulation is None:
+            simulation = os.environ.get("REINLOOP_SIMULATION", "").strip().lower() \
+                in {"1", "true", "yes", "on"}
+        self.simulation = bool(simulation)
         self._pressure_addr = 0     # 压力传感器模拟量通道地址
         self._flowmeter_addr = None  # 流量计模拟量通道地址（None=使用手动输入）
         self._motor_addr = 0        # 电机模拟量输出通道地址
@@ -61,19 +67,28 @@ class ConnectionManager:
             self._motor_addr = motor_addr
             self._flowmeter_addr = flowmeter_addr
 
-            # 创建 MT2-AM8 客户端
-            self.modbus_client = MT2AM8Client(
-                host=tcp_ip,
-                port=tcp_port,
-                pressure_range=pressure_range,
-                flow_range=flow_range,
-            )
-
-            if not self.modbus_client.connect():
-                self.log(f"连接 MT2-AM8 模块失败: {tcp_ip}:{tcp_port}")
-                return False
-
-            self.log(f"成功连接到 MT2-AM8 模块: {tcp_ip}:{tcp_port}")
+            if self.simulation:
+                self.modbus_client = SimulatedDevice(
+                    pressure_range=pressure_range,
+                    flow_range=flow_range,
+                )
+                if not self.modbus_client.connect():
+                    return False
+                self.log("模拟设备已连接（未访问真实 TCP/串口硬件）")
+            else:
+                # 真实硬件路径：保留原有 MT2-AM8 Modbus TCP 实现。
+                self.modbus_client = MT2AM8Client(
+                    host=tcp_ip,
+                    port=tcp_port,
+                    pressure_range=pressure_range,
+                    flow_range=flow_range,
+                )
+
+                if not self.modbus_client.connect():
+                    self.log(f"连接 MT2-AM8 模块失败: {tcp_ip}:{tcp_port}")
+                    return False
+
+                self.log(f"成功连接到 MT2-AM8 模块: {tcp_ip}:{tcp_port}")
             self.log(f"压力地址: {pressure_addr}, 电机地址: {motor_addr}, 流量计地址: {flowmeter_addr}")
 
             if self._on_status_change: