重构目录结构：调整项目布局

hardware/transmitter.py

@@ -0,0 +1,69 @@
+# hardware/transmitter.py
+from pymodbus.exceptions import ModbusException
+
+
+class TransmitterController:
+    def __init__(self, relay_controller):
+        self.relay_controller = relay_controller
+
+        # 变送器配置
+        self.config = {
+            1: {  # 上料斗
+                'slave_id': 1,
+                'weight_register': 0x01,
+                'register_count': 2
+            },
+            2: {  # 下料斗
+                'slave_id': 2,
+                'weight_register': 0x01,
+                'register_count': 2
+            }
+        }
+
+    def read_data(self, transmitter_id):
+        """读取变送器数据"""
+        try:
+            if transmitter_id not in self.config:
+                print(f"无效变送器ID: {transmitter_id}")
+                return None
+
+            config = self.config[transmitter_id]
+
+            if not self.relay_controller.modbus_client.connect():
+                print("无法连接网络继电器Modbus服务")
+                return None
+
+            result = self.relay_controller.modbus_client.read_holding_registers(
+                address=config['weight_register'],
+                count=config['register_count'],
+                slave=config['slave_id']
+            )
+
+            if isinstance(result, Exception):
+                print(f"读取变送器 {transmitter_id} 失败: {result}")
+                return None
+
+            # 根据图片示例，正确解析数据
+            if config['register_count'] == 2:
+                # 获取原始字节数组
+                raw_data = result.registers
+                # 组合成32位整数
+                weight = (raw_data[0] << 16) + raw_data[1]
+                weight = weight / 1000.0  # 单位转换为千克
+            elif config['register_count'] == 1:
+                weight = float(result.registers[0])
+            else:
+                print(f"不支持的寄存器数量: {config['register_count']}")
+                return None
+
+            print(f"变送器 {transmitter_id} 读取重量: {weight}kg")
+            return weight
+
+        except ModbusException as e:
+            print(f"Modbus通信错误: {e}")
+            return None
+        except Exception as e:
+            print(f"数据解析错误: {e}")
+            return None
+        finally:
+            self.relay_controller.modbus_client.close()