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XBee high-level Python library with aspirations to be a home automation framework.

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XBee Home Automation

A library for XBee-based sensor/control networks, with an emphasis on ease of setup, extensability, and ability to integrate with existing systems.

Examples

Connect to the attached XBee, start plugins, and run a Python interpreter from which commands may be interactively sent to the local or remote XBees:

$ xh.py run
The xbee object is available as "xb". A received frame list is
available from the Frame Logger plugin, available as "fl".
Type control-D to exit.
>>> xh.protocol.InputVolts().send()
[INFO FrameLogger] received #1 %V (OK) volts=3.2390625
>>> xh.protocol.InputSample(dest=0x13a200abcd1234).send()
[INFO FrameLogger] received #2 IS (OK) remoteSerial=0x13a200abcd1234
options=ACKNOWLEDGED samples=[AnalogSample(AD0, volts=0.002),
AnalogSample(AD1, volts=0.166)] remoteAddr=0x372
>>> ^D
[INFO xh] exiting

Print information about a connected XBees and installed plugins:

$ xh.py list
[INFO xh] Plugins:
	Data Logger (datalogger/) Log all received data via
		xh.datalogging.
	Frame Logger (framelogger/) Log all received frames using the
		Python logging module.
	Presence (presence/) Track presence / availability of XBee
		modules.
	Web Graphs (webgraphs/) Basic web server to create and display
		graphs of logged data.
[INFO xh] XBees:
	NodeId status=0x0 NI='Attic' manufacturerId=0x101e
	addr=0x49b9 parentAddr=0xfffe deviceType=ROUTER profileId=0xc105
	serial=0x13a200ccdd0011
	NodeId status=0x0 NI='Living Room' manufacturerId=0x101e
	addr=0x372 parentAddr=0xfffe deviceType=ROUTER profileId=0xc105
	serial=0x13a200abcd1234

A plugin which forwards a digital pin value from one XBee to another:

from xh.protocol import ConfigureIoPin, Data, DigitalSample
from ConfigureIoPin.FUNCTION import DIGITAL_OUT_LOW, DIGITAL_OUT_HIGH
class PinForwarder(xh.Plugin):
	__SRC = 0x13a200ccdd0011
	__DST = 0x13a200abcd1234
	def __init__(self):
		xh.Plugin.__init__(self, receiveFrames=True)
	def _frameReceived(self, frame):
		if isinstance(frame, Data) and (frame.
				getSourceAddressLong() == self.__SRC):
			self.__forwardValues(frame)
	def __forwardValues(self, frame):
		for sample in frame.getSamples():
			if not isinstance(sample, DigitalSample):
				continue
			outFunction = (DIGITAL_OUT_HIGH
					if sample.getIsSet()
					else DIGITAL_OUT_LOW)
			cmd = ConfigureIoPin(dest=self.__DEST,
					pinName=sample.getPinName(),
					function=outFunction)
			cmd.send()

Features/Uses and Limitations

  • Allows sending commands to XBees at an interactive Python prompt and using online Python help to discover commands' arguments; generates specific exceptions for malformed commands, avoiding silent failures.
  • Uses signals to communicate asynchronous events, for decoupled design.
  • Written for Series 2 (ZigBee Mesh) XBee. (The underlying python-xbee library supports multiple XBee varieties.)

External Dependencies

  • Python >= 2.7 (uses argparse, introduced in 2.7)
  • Enum for enumerations (uses setuptools for installation via setup.py)

Included Dependencies

These dependencies are included as git submodules. After cloning (or when pulling to your clone of) this repository, use git submodule update --init to sync all the submodules.

Related Work

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