问如何在Python中创建BACnet模拟值女巫BAC0？

EN

#!/usr/bin/python

import weakref
import BAC0
from bacpypes.basetypes import EngineeringUnits, DateTime
from bacpypes.primitivedata import CharacterString, Date, Time

from BAC0.core.devices.local.models import (
    analog_input,
    datetime_value,
    character_string,
)
from BAC0.core.devices.local.object import ObjectFactory
from BAC0.core.devices.local.models import make_state_text

def start_device():
    print("Starting BACnet device")
    new_device = BAC0.lite(deviceId=10032)
    time.sleep(1)

    # Analog Values
    _new_objects = analog_input(
        instance=1,
        name="Current_Temp",
        description="Current Temperature in degC",
        presentValue=0,
        properties={"units": "degreesCelsius"},
    )
    _new_objects = analog_input(
        instance=2,
        name="Current_Pressure",
        description="Current Pressure in kPa",
        presentValue=0,
        properties={"units": "kilopascals"},
    )

    # Character Strings
    # _new_objects = character_string(
    #    instance=1,
    #    name="Location",
    #    description="City code for data",
    #    presentValue="on-24",
    #    is_commandable=True,
    # )

    _new_objects.add_objects_to_application(new_device)
return new_device