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Uni-Lab-OS/unilabos/devices/virtual/virtual_solenoid_valve.py

147 lines
4.5 KiB
Python

import time
import asyncio
from typing import Union
from unilabos.ros.nodes.base_device_node import BaseROS2DeviceNode
class VirtualSolenoidValve:
"""
虚拟电磁阀门 - 简单的开关型阀门,只有开启和关闭两个状态
"""
_ros_node: BaseROS2DeviceNode
def __init__(self, device_id: str = None, config: dict = None, **kwargs):
# 从配置中获取参数,提供默认值
if config is None:
config = {}
self.device_id = device_id
self.port = config.get("port", "VIRTUAL")
self.voltage = config.get("voltage", 12.0)
self.response_time = config.get("response_time", 0.1)
# 状态属性
self._status = "Idle"
self._valve_state = "Closed" # "Open" or "Closed"
self._is_open = False
def post_init(self, ros_node: BaseROS2DeviceNode):
self._ros_node = ros_node
async def initialize(self) -> bool:
"""初始化设备"""
self._status = "Idle"
return True
async def cleanup(self) -> bool:
"""清理资源"""
return True
@property
def status(self) -> str:
return self._status
@property
def valve_state(self) -> str:
return self._valve_state
@property
def is_open(self) -> bool:
return self._is_open
@property
def valve_position(self) -> str:
"""获取阀门位置状态"""
return "OPEN" if self._is_open else "CLOSED"
async def set_valve_position(self, command: str = None, **kwargs):
"""
设置阀门位置 - ROS动作接口
Args:
command: "OPEN"/"CLOSED" 或其他控制命令
"""
if command is None:
return {"success": False, "message": "Missing command parameter"}
print(f"SOLENOID_VALVE: {self.device_id} 接收到命令: {command}")
self._status = "Busy"
# 模拟阀门响应时间
await self._ros_node.sleep(self.response_time)
# 处理不同的命令格式
if isinstance(command, str):
cmd_upper = command.upper()
if cmd_upper in ["OPEN", "ON", "TRUE", "1"]:
self._is_open = True
self._valve_state = "Open"
result_msg = f"Valve {self.device_id} opened"
elif cmd_upper in ["CLOSED", "CLOSE", "OFF", "FALSE", "0"]:
self._is_open = False
self._valve_state = "Closed"
result_msg = f"Valve {self.device_id} closed"
else:
# 可能是端口名称,处理路径设置
# 对于简单电磁阀,任何非关闭命令都视为开启
self._is_open = True
self._valve_state = "Open"
result_msg = f"Valve {self.device_id} set to position: {command}"
else:
self._status = "Error"
return {"success": False, "message": "Invalid command type"}
self._status = "Idle"
print(f"SOLENOID_VALVE: {result_msg}")
return {
"success": True,
"message": result_msg,
"valve_position": self.valve_position
}
async def open(self, **kwargs):
"""打开电磁阀 - ROS动作接口"""
return await self.set_valve_position(command="OPEN")
async def close(self, **kwargs):
"""关闭电磁阀 - ROS动作接口"""
return await self.set_valve_position(command="CLOSED")
async def set_status(self, string: str = None, **kwargs):
"""
设置阀门状态 - 兼容 StrSingleInput 类型
Args:
string: "ON"/"OFF""OPEN"/"CLOSED"
"""
if string is None:
return {"success": False, "message": "Missing string parameter"}
# 将 string 参数转换为 command 参数
if string.upper() in ["ON", "OPEN"]:
command = "OPEN"
elif string.upper() in ["OFF", "CLOSED"]:
command = "CLOSED"
else:
command = string
return await self.set_valve_position(command=command)
def toggle(self):
"""切换阀门状态"""
if self._is_open:
return self.close()
else:
return self.open()
def is_closed(self) -> bool:
"""检查阀门是否关闭"""
return not self._is_open
async def reset(self):
"""重置阀门到关闭状态"""
return await self.close()