# Devices.py 30/09/2015 D.J.Whale
#
# Information about specific Energenie devices
# This table is mostly reverse-engineered from various websites and web catalogues.
import OnAir
import OpenThings
# This level of indirection allows easy mocking for testing
ook_interface = OnAir.TwoBitAirInterface()
fsk_interface = OnAir.OpenThingsAirInterface()
MFRID_ENERGENIE = 0x04
MFRID = MFRID_ENERGENIE
#PRODUCTID_MIHO001 = # Home Hub
#PRODUCTID_MIHO002 = # Control only (Uses Legacy OOK protocol)
#PRODUCTID_MIHO003 = 0x0? # Hand Controller
PRODUCTID_MIHO004 = 0x01 # Monitor only
PRODUCTID_MIHO005 = 0x02 # Adaptor Plus
PRODUCTID_MIHO006 = 0x05 # House Monitor
#PRODUCTID_MIHO007 = 0x0? # Double Wall Socket White
#PRODUCTID_MIHO008 = 0x0? # Single light switch
#PRODUCTID_MIHO009 not used
#PRODUCTID_MIHO010 not used
#PRODUCTID_MIHO011 not used
#PRODUCTID_MIHO012 not used
PRODUCTID_MIHO013 = 0x03 # eTRV
#PRODUCTID_MIHO014 = 0x0? # In-line Relay
#PRODUCTID_MIHO015 not used
#PRODUCTID_MIHO016 not used
#PRODUCTID_MIHO017
#PRODUCTID_MIHO018
#PRODUCTID_MIHO019
#PRODUCTID_MIHO020
#PRODUCTID_MIHO021 = 0x0? # Double Wall Socket Nickel
#PRODUCTID_MIHO022 = 0x0? # Double Wall Socket Chrome
#PRODUCTID_MIHO023 = 0x0? # Double Wall Socket Brushed Steel
#PRODUCTID_MIHO024 = 0x0? # Style Light Nickel
#PRODUCTID_MIHO025 = 0x0? # Style Light Chrome
#PRODUCTID_MIHO026 = 0x0? # Style Light Steel
#PRODUCTID_MIHO027 starter pack bundle
#PRODUCTID_MIHO028 eco starter pack
#PRODUCTID_MIHO029 heating bundle
#PRODUCTID_MIHO030 not used
#PRODUCTID_MIHO031 not used
#PRODUCTID_MIHO032 not used
#PRODUCTID_MIHO033 not used
#PRODUCTID_MIHO034 not used
#PRODUCTID_MIHO035 not used
#PRODUCTID_MIHO036 not used
#PRODUCTID_MIHO037 Adaptor Plus Bundle
#PRODUCTID_MIHO038 2-gang socket Bundle
#PRODUCTID_MIHO039 2-gang socket Bundle black nickel
#PRODUCTID_MIHO040 2-gang socket Bundle chrome
#PRODUCTID_MIHO041 2-gang socket Bundle stainless steel
# Default keys for OpenThings encryption and decryption
CRYPT_PID = 242
CRYPT_PIP = 0x0100
# OpenThings does not support a broadcast id,
# but Energenie added one for their MiHome Adaptors.
# This makes simple discovery possible.
BROADCAST_ID = 0xFFFFFF # Energenie broadcast
#TODO: This might be deprecated now, and replaced with the DeviceFactory?
def getDescription(mfrid, productid):
if mfrid == MFRID_ENERGENIE:
mfr = "Energenie"
if productid == PRODUCTID_MIHO004:
product = "MIHO004 MONITOR"
elif productid == PRODUCTID_MIHO005:
product = "MIHO005 ADAPTOR PLUS"
elif productid == PRODUCTID_MIHO006:
product = "MIHO006 HOUSE MONITOR"
elif productid == PRODUCTID_MIHO013:
product = "MIHO013 ETRV"
else:
product = "UNKNOWN_%s" % str(hex(productid))
else:
mfr = "UNKNOWN_%s" % str(hex(mfrid))
product = "UNKNOWN_%s" % str(hex(productid))
return "Manufacturer:%s Product:%s" % (mfr, product)
#TODO this might be deprecated now, and replaced with the Device classes.
#e.g. if there is a turn_on method or get_switch method, it has a switch.
def hasSwitch(mfrid, productid):
if mfrid != MFRID: return False
if productid == PRODUCTID_MIHO005: return True
return False
#----- DEFINED MESSAGE TEMPLATES ----------------------------------------------
import copy
def create_message(message):
return copy.deepcopy(message)
SWITCH = {
"header": {
"mfrid": MFRID_ENERGENIE,
"productid": PRODUCTID_MIHO005,
"encryptPIP": CRYPT_PIP,
"sensorid": 0 # FILL IN
},
"recs": [
{
"wr": True,
"paramid": OpenThings.PARAM_SWITCH_STATE,
"typeid": OpenThings.Value.UINT,
"length": 1,
"value": 0 # FILL IN
}
]
}
JOIN_ACK = {
"header": {
"mfrid": 0, # FILL IN
"productid": 0, # FILL IN
"encryptPIP": CRYPT_PIP,
"sensorid": 0 # FILL IN
},
"recs": [
{
"wr": False,
"paramid": OpenThings.PARAM_JOIN,
"typeid": OpenThings.Value.UINT,
"length": 0
}
]
}
REGISTERED_SENSOR = {
"header": {
"mfrid": MFRID_ENERGENIE,
"productid": 0, # FILL IN
"encryptPIP": CRYPT_PIP,
"sensorid": 0 # FILL IN
}
}
def send_join_ack(radio, mfrid, productid, sensorid):
# send back a JOIN ACK, so that join light stops flashing
response = OpenThings.alterMessage(create_message(JOIN_ACK),
header_mfrid=mfrid,
header_productid=productid,
header_sensorid=sensorid)
p = OpenThings.encode(response)
radio.transmitter()
radio.transmit(p, inner_times=2)
radio.receiver()
#----- CONTRACT WITH AIR-INTERFACE --------------------------------------------
# this might be a real air_interface (a radio), or an adaptor interface
# (a message scheduler with a queue).
#
# synchronous send
# synchronous receive
# TODO: asynchronous send (deferred) - implies a callback on 'done, fail, timeout'
# TODO: asynchronous receive (deferred) - implies a callback on 'done, fail, timeout'
# air_interface has:
# configure(parameters)
# send(payload)
# send(payload, parameters)
# receive() -> (radio_measurements, address, payload)
#----- NEW DEVICE CLASSES -----------------------------------------------------
class Device():
"""A generic connected device abstraction"""
def __init__(self, air_interface):
self.air_interface = air_interface
class Config(): pass
self.config = Config()
class Capabilities(): pass
self.capabilities = Capabilities()
def has_switch(self):
return hasattr(self.capabilities, "switch")
def can_send(self):
return hasattr(self.capabilities, "send")
def can_receive(self):
return hasattr(self.capabilities, "receive")
def get_radio_config(self):
return self.config
def get_last_receive_time(self): # ->timestamp
"""The timestamp of the last time any message was received by this device"""
return self.last_receive_time
def get_next_receive_time(self): # -> timestamp
"""An estimate of the next time we expect a message from this device"""
pass
def incoming_message(self, payload):
# incoming_message (OOK or OpenThings as appropriate, stripped of header? decrypted, decoded to pydict)
# default action of base class is to just print the payload
print("incoming(unhandled):%s" % payload)
def send_message(self, payload):
print("send_message %s" % payload)
# A raw device has no knowledge of how to send, the sub class provides that.
def __repr__(self):
return "Device()"
class EnergenieDevice(Device):
"""An abstraction for any kind of Energenie connected device"""
def __init__(self, air_interface, device_id=None):
Device.__init__(self, air_interface)
self.device_id = device_id
def get_device_id(self): # -> id:int
return self.device_id
def __repr__(self):
return "Device(%s)" % str(self.device_id)
class LegacyDevice(EnergenieDevice):
"""An abstraction for Energenie green button legacy OOK devices"""
def __init__(self):
EnergenieDevice.__init__(self, ook_interface)
self.config.frequency = 433.92
self.config.modulation = "OOK"
self.config.codec = "4bit"
def __repr__(self):
return "LegacyDevice(%s)" % str(self.device_id)
def send_message(self, payload):
####HERE#### interface with air_interface
# Encode the payload two bits per byte as per OOK spec
#TODO, should we just pass a payload (as a pydict or tuple) to the air_interface adaptor
#and let it encode it, to be consistent with the FSK MiHome devices?
#payload could be a 3-tuple of (house_address, device_address, state)
#bytes = TwoBit.build_switch_msg(payload, house_address=self.device_id[0], device_address=self.device_id[1])
if self.air_interface != None:
#TODO: might want to send the config, either as a send parameter,
#or by calling air_interface.configure() first?
#i.e. radio.modulation(MODULATION_OOK)
self.air_interface.send(payload) #TODO: or (ha, da, s)
else:
d = self.device_id
print("send_message(mock[%s]):%s" % (str(d), payload))
class MiHomeDevice(EnergenieDevice):
"""An abstraction for Energenie new style MiHome FSK devices"""
def __init__(self, device_id=None):
EnergenieDevice.__init__(self, fsk_interface, device_id)
self.config.frequency = 433.92
self.config.modulation = "FSK"
self.config.codec = "OpenThings"
self.manufacturer_id = MFRID_ENERGENIE
self.product_id = None
#Different devices might have different PIP's
#if we are cycling codes on each message?
#self.config.encryptPID = CRYPT_PID
#self.config.encryptPIP = CRYPT_PIP
def __repr__(self):
return "MiHomeDevice(%s,%s,%s)" % (str(self.manufacturer_id), str(self.product_id), str(self.device_id))
def get_manufacturer_id(self): # -> id:int
return self.manufacturer_id
def get_product_id(self): # -> id:int
return self.product_id
def join_ack(self):
"""Send a join-ack to the real device"""
self.send_message("join ack") # TODO
def incoming_message(self, payload):
####HERE#### interface with air_interface
"""Handle incoming messages for this device"""
#NOTE: we must have already decoded the message with OpenThings to be able to get the addresses out
# so payload at this point must be a pydict?
#we know at this point that it's a FSK message
#OpenThingsAirInterface has already decrypted and decoded
#so we get a pydict payload here with header and recs in it
#the header has the address which is used for routing
#TODO join request might be handled generically here
#TODO: subclass can override and call back to this if it wants to
raise RuntimeError("Method unimplemented") #TODO
def send_message(self, payload):
####HERE#### interface with air_interface
#is payload a pydict with header at this point, and we have to call OpenThings.encode?
#should the encode be done here, or in the air_interface adaptor?
#TODO: at what point is the payload turned into a pydict?
#TODO: We know it's going over OpenThings,
#do we call OpenThings.encode(payload) here?
#also OpenThings.encrypt() - done by encode() as default
if self.air_interface != None:
#TODO: might want to send the config, either as a send parameter,
#or by calling air_interface.configure() first?
self.air_interface.send(payload)
else:
m = self.manufacturer_id
p = self.product_id
d = self.device_id
print("send_message(mock[%s %s %s]):%s" % (str(m), str(p), str(d), payload))
class ENER002(LegacyDevice):
"""A green-button switch"""
def __init__(self, device_id=None):
LegacyDevice.__init__(self)
self.device_id = device_id # (house_address, device_index)
self.config.tx_repeats = 8
self.capabilities.switch = True
self.capabilities.receive = True
def turn_on(self):
#TODO should this be here, or in LegacyDevice??
#addressing should probably be in LegacyDevice
#child devices might interpret the command differently
payload = {
"house_address": self.device_id[0],
"device_index": self.device_id[1],
"on": True
}
self.send_message(payload)
def turn_off(self):
#TODO: should this be here, or in LegacyDevice???
#addressing should probably be in LegacyDevice
#child devices might interpret the command differently
payload = {
"house_address": self.device_id[0],
"device_index": self.device_id[1],
"on": False
}
self.send_message(payload)
class MIHO005(MiHomeDevice):
"""An Energenie MiHome Adaptor Plus"""
def __init__(self, device_id=None):
MiHomeDevice.__init__(self)
self.product_id = PRODUCTID_MIHO005
self.device_id = device_id
class Readings():
switch = None
voltage = None
frequency = None
apparent_power = None
reactive_power = None
real_power = None
self.readings = Readings()
self.config.tx_repeats = 4
self.capabilities.send = True
self.capabilities.receive = True
self.capabilities.switch = True
def incoming_message(self, payload):
####HERE####
for rec in payload["recs"]:
paramid = rec["paramid"]
if paramid in [OpenThings.PARAM_SWITCH_STATE, OpenThings.PARAM_VOLTAGE]: #TODO store in cache in init
# TODO consider making this table driven and allowing our base class to fill our readings in for us
# then just define the mapping table in __init__ (i.e. paramid->Readings field name)
value = rec["value"]
if paramid == OpenThings.PARAM_SWITCH_STATE:
self.readings.switch = ((value == True) or (value != 0))
print("#### Switch state updated")
def get_readings(self): # -> readings:pydict
"""A way to get all readings as a single consistent set"""
return self.readings
def turn_on(self):
#TODO: header construction should be in MiHomeDevice as it is shared
payload = OpenThings.alterMessage(
create_message(SWITCH),
header_productid = self.product_id,
header_sensorid = self.device_id,
recs_0_value = True)
self.send_message(payload)
def turn_off(self):
#TODO: header construction should be in MiHomeDevice as it is shared
payload = OpenThings.alterMessage(
create_message(SWITCH),
header_productid = self.product_id,
header_sensorid = self.device_id,
recs_0_value = False)
self.send_message(payload)
#TODO: difference between 'is on and 'is requested on'
#TODO: difference between 'is off' and 'is requested off'
#TODO: switch state might be 'unknown' if not heard.
#TODO: switch state might be 'turning_on' or 'turning_off' if send request and not heard response yet
def is_on(self): # -> boolean
"""True, False, or None if unknown"""
s = self.get_switch()
if s == None: return None
return s
def is_off(self): # -> boolean
"""True, False, or None if unknown"""
s = self.get_switch()
if s == None: return None
return not s
def get_switch(self): # -> boolean
"""Last stored state of the switch, might be None if unknown"""
return self.readings.switch
def get_voltage(self): # -> voltage:float
"""Last stored state of voltage reading, None if unknown"""
if self.readings.voltage == None:
raise RuntimeError("No voltage reading received yet")
return self.readings.voltage
def get_frequency(self): # -> frequency:float
"""Last stored state of frequency reading, None if unknown"""
if self.readings.frequency == None:
raise RuntimeError("No frequency reading received yet")
return self.readings.frequency
def get_apparent_power(self): # ->power:float
"""Last stored state of apparent power reading, None if unknown"""
if self.readings.apparent_power == None:
raise RuntimeError("No apparent power reading received yet")
return self.readings.apparent_power
def get_reactive_power(self): # -> power:float
"""Last stored state of reactive power reading, None if unknown"""
if self.readings.reactive_power == None:
raise RuntimeError("No reactive power reading received yet")
return self.readings.reactive_power
def get_real_power(self): #-> power:float
"""Last stored state of real power reading, None if unknown"""
if self.readings.real_power == None:
raise RuntimeError("No real power reading received yet")
return self.readings.real_power
class MIHO006(MiHomeDevice):
"""An Energenie MiHome Home Monitor"""
def __init__(self, device_id=None):
MiHomeDevice.__init__(self)
self.product_id = PRODUCTID_MIHO006
self.device_id = device_id
class Readings():
battery_voltage = None
current = None
self.readings = Readings()
self.capabilities.send = True
def get_battery_voltage(self): # -> voltage:float
return self.readings.battery_voltage
def get_current(self): # -> current:float
return self.readings.current
class MIHO013(MiHomeDevice):
"""An Energenie MiHome eTRV Radiator Valve"""
def __init__(self, device_id=None):
MiHomeDevice.__init__(self)
self.product_id = PRODUCTID_MIHO013
self.device_id = device_id
class Readings():
battery_voltage = None
ambient_temperature = None
pipe_temperature = None
setpoint_temperature = None
valve_position = None
self.readings = Readings()
self.config.tx_repeats = 10
self.capabilities.send = True
self.capabilities.receive = True
def get_battery_voltage(self): # ->voltage:float
return self.readings.battery_voltage
def get_ambient_temperature(self): # -> temperature:float
return self.readings.ambient_temperature
def get_pipe_temperature(self): # -> temperature:float
return self.readings.pipe_temperature
def get_setpoint_temperature(self): #-> temperature:float
return self.readings.setpoint_temperature
def set_setpoint_temperature(self, temperature):
self.send_message("set setpoint temp") # TODO command
def get_valve_position(self): # -> position:int?
pass # TODO is this possible?
def set_valve_position(self, position):
pass # TODO command, is this possible?
self.send_message("set valve pos") #TODO
#TODO: difference between 'is on and 'is requested on'
#TODO: difference between 'is off' and 'is requested off'
#TODO: switch state might be 'unknown' if not heard.
#TODO: switch state might be 'turning_on' or 'turning_off' if send request and not heard response yet
def turn_on(self): # command
pass # TODO command i.e. valve position?
self.send_message("turn on") #TODO
def turn_off(self): # command
pass # TODO command i.e. valve position?
self.send_message("turn off") #TODO
def is_on(self): # query last known reported state (unknown if changing?)
pass # TODO i.e valve is not completely closed?
def is_off(self): # query last known reported state (unknown if changing?)
pass # TODO i.e. valve is completely closed?
#----- DEVICE FACTORY ---------------------------------------------------------
# This is a singleton, but might not be in the future.
# i.e. we might have device factories for lots of different devices.
# and a DeviceFactory could auto configure it's set of devices
# with a specific air_interface for us.
# i.e. this might be the EnergenieDeviceFactory, there might be others
class DeviceFactory():
"""A place to come to, to get instances of device classes"""
devices = {
# official name friendly name
"ENER002": ENER002, "GreenButton": ENER002,
"MIHO005": MIHO005, "AdaptorPlus": MIHO005,
"MIHO006": MIHO006, "HomeMonitor": MIHO006,
"MIHO013": MIHO013, "eTRV": MIHO013,
}
default_air_interface = None
@staticmethod
def set_default_air_interface(air_interface):
DeviceFactory.default_air_interface = air_interface
@staticmethod
def keys():
return DeviceFactory.devices.keys()
@staticmethod
def get_device(name, air_interface=None, device_id=None):
"""Get a device by name, construct a new instance"""
if not name in DeviceFactory.devices:
raise ValueError("Unsupported device:%s" % name)
c = DeviceFactory.devices[name]
if air_interface == None:
air_interface = DeviceFactory.default_air_interface
return c(air_interface, device_id)
#----- TEMPORARY TEST HARNESS -------------------------------------------------
#hmm: need two addresses for legacy - use a tuple (house_address, index)
#unless we have an adaptor class for air_interface which represents the
#collective house address for a house code. So if you use more than one
#house address, you create multiple air interface adaptors with different
#house codes, that just delegate to the same actual radio air interface?
#bit like a little local router?
#legacy1 = AirInterface.create("OOK", address=0xC8C8C, energenie_radio)
# Could also consider this a local network, with common parameters shared
# by all devices that use it.
#air2 = AirInterface.create("FSK", energenie_radio)
# scheduling would then become
# scheduler = Scheduler(energenie_radio)
# legacy1 = AirInterface.create("OOK", address=0xC8C8C, scheduler)
# air2 = AirInterface.create("FSK", scheduler
# so that when a device tries to transmit, it gets air interface specific
# settings added to it as appropriate, then the scheduler decides when
# to send and receive
# Somehow we need to associate devices with an air interface
# This might allow us to support multiple radios in the future too?
#legacy1.add(tv)
# cooperative loop could be energenie_radio.loop()
# or wrap a thread around it with start() but beware of thread context
# and thread safety.
import time
def test_without_registry():
tv = DeviceFactory.get_device("GreenButton", device_id=(0xC8C8C, 1))
fan = DeviceFactory.get_device("AdaptorPlus", device_id=0x68b)
while True:
print("ON")
tv.turn_on()
fan.turn_off()
time.sleep(2)
print("OFF")
tv.turn_off()
fan.turn_on()
time.sleep(1)
if __name__ == "__main__":
test_without_registry()
# END
David Whale