mirror of
https://github.com/JoelBender/bacpypes
synced 2025-10-27 00:57:47 +08:00
123 lines
2.8 KiB
Python
Executable File
123 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
"""
|
|
"""
|
|
|
|
from functools import partial
|
|
|
|
from bacpypes.debugging import bacpypes_debugging, ModuleLogger
|
|
from bacpypes.consolelogging import ArgumentParser
|
|
|
|
from bacpypes.core import run_once
|
|
|
|
from bacpypes.service.detect import DetectionAlgorithm, monitor_filter
|
|
from bacpypes.object import AnalogValueObject
|
|
|
|
# some debugging
|
|
_debug = 0
|
|
_log = ModuleLogger(globals())
|
|
|
|
#
|
|
# something_changed
|
|
#
|
|
|
|
def something_changed(thing, old_value, new_value):
|
|
print("%r changed from %r to %r" % (thing, old_value, new_value))
|
|
|
|
#
|
|
# SampleEventDetection
|
|
#
|
|
|
|
class SampleEventDetection(DetectionAlgorithm):
|
|
|
|
def __init__(self, **kwargs):
|
|
if _debug: SampleEventDetection._debug("__init__ %r %r", self, kwargs)
|
|
DetectionAlgorithm.__init__(self)
|
|
|
|
# provide default values
|
|
self.pParameter = None
|
|
self.pSetPoint = None
|
|
|
|
# bind to the parameter values provided
|
|
self.bind(**kwargs)
|
|
|
|
@monitor_filter('pParameter')
|
|
def parameter_filter(self, old_value, new_value):
|
|
if _debug: SampleEventDetection._debug("parameter_filter %r %r", old_value, new_value)
|
|
|
|
return (old_value != new_value)
|
|
|
|
def execute(self):
|
|
if _debug: SampleEventDetection._debug("execute")
|
|
|
|
# if _triggered is true this function was called because of some
|
|
# parameter change, but could have been called for some other reason
|
|
if self._triggered:
|
|
if _debug: SampleEventDetection._debug(" - was triggered")
|
|
else:
|
|
if _debug: SampleEventDetection._debug(" - was not triggered")
|
|
|
|
# check for things
|
|
if self.pParameter == self.pSetPoint:
|
|
if _debug: SampleEventDetection._debug(" - parameter match")
|
|
else:
|
|
if _debug: SampleEventDetection._debug(" - parameter mismatch")
|
|
|
|
bacpypes_debugging(SampleEventDetection)
|
|
|
|
#
|
|
#
|
|
#
|
|
|
|
# parse the command line arguments
|
|
parser = ArgumentParser(usage=__doc__)
|
|
args = parser.parse_args()
|
|
|
|
if _debug: _log.debug("initialization")
|
|
if _debug: _log.debug(" - args: %r", args)
|
|
|
|
# analog value 1
|
|
av1 = AnalogValueObject(
|
|
objectIdentifier=('analogValue', 1),
|
|
presentValue=75.3,
|
|
)
|
|
if _debug: _log.debug(" - av1: %r", av1)
|
|
|
|
# add a very simple monitor
|
|
av1._property_monitors['presentValue'].append(
|
|
partial(something_changed, "av1"),
|
|
)
|
|
|
|
# test it
|
|
av1.presentValue = 45.6
|
|
|
|
# analog value 2
|
|
av2 = AnalogValueObject(
|
|
objectIdentifier=('analogValue', 2),
|
|
presentValue=75.3,
|
|
)
|
|
if _debug: _log.debug(" - av2: %r", av2)
|
|
|
|
# sample event detection
|
|
sed = SampleEventDetection(
|
|
pParameter=(av1, 'presentValue'),
|
|
pSetPoint=(av2, 'presentValue'),
|
|
)
|
|
if _debug: _log.debug(" - sed: %r", sed)
|
|
|
|
print("")
|
|
|
|
av1.presentValue = 12.5
|
|
run_once()
|
|
|
|
print("")
|
|
|
|
av2.presentValue = 12.5
|
|
run_once()
|
|
|
|
print("")
|
|
|
|
av1.presentValue = 9.8
|
|
av2.presentValue = 10.3
|
|
run_once()
|