modify devices to use correct executor (sleep, create_task)

unilabos/devices/virtual/virtual_solid_dispenser.py

@@ -3,6 +3,8 @@ import logging
 import re
 from typing import Dict, Any, Optional
 
+from unilabos.ros.nodes.base_device_node import BaseROS2DeviceNode
+
 class VirtualSolidDispenser:
     """
     虚拟固体粉末加样器 - 用于处理 Add Protocol 中的固体试剂添加 ⚗️
@@ -13,6 +15,8 @@ class VirtualSolidDispenser:
     - 简单反馈：成功/失败 + 消息 📊
     """
     
+    _ros_node: BaseROS2DeviceNode
+    
     def __init__(self, device_id: str = None, config: Dict[str, Any] = None, **kwargs):
         self.device_id = device_id or "virtual_solid_dispenser"
         self.config = config or {}
@@ -32,6 +36,9 @@ class VirtualSolidDispenser:
         print(f"⚗️ === 虚拟固体分配器 {self.device_id} 创建成功! === ✨")
         print(f"📊 设备规格: 最大容量 {self.max_capacity}g | 精度 {self.precision}g 🎯")
     
+    def post_init(self, ros_node: BaseROS2DeviceNode):
+        self._ros_node = ros_node
+    
     async def initialize(self) -> bool:
         """初始化固体加样器 🚀"""
         self.logger.info(f"🔧 初始化固体分配器 {self.device_id} ✨")
@@ -263,7 +270,7 @@ class VirtualSolidDispenser:
             
             for i in range(steps):
                 progress = (i + 1) / steps * 100
-                await asyncio.sleep(step_time)
+                await self._ros_node.sleep(step_time)
                 if i % 2 == 0:  # 每隔一步显示进度
                     self.logger.debug(f"📊 加样进度: {progress:.0f}% | {amount_emoji} 正在分配 {reagent}...")