# 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.
from lifecycle import *
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?
#Still used in deprecated methods in Registry.py
@deprecated
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.
#still used in switch.py demo (will be until device classes deployed into tests)
@deprecated
def hasSwitch(mfrid, productid):
if mfrid != MFRID: return False
if productid == PRODUCTID_MIHO005: return True
return False
#----- DEFINED MESSAGE TEMPLATES ----------------------------------------------
##TODO: This should really be in OpenThings.Message
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_REQ = {
"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
}
]
}
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
}
}
MIHO005_REPORT = {
"header": {
"mfrid": MFRID_ENERGENIE,
"productid": PRODUCTID_MIHO005,
"encryptPIP": CRYPT_PIP,
"sensorid": 0 # FILL IN
},
"recs": [
{
"wr": False,
"paramid": OpenThings.PARAM_SWITCH_STATE,
"typeid": OpenThings.Value.UINT,
"length": 1,
"value": 0 # FILL IN
},
{
"wr": False,
"paramid": OpenThings.PARAM_VOLTAGE,
"typeid": OpenThings.Value.UINT,
"length": 1,
"value": 0 # FILL IN
},
{
"wr": False,
"paramid": OpenThings.PARAM_CURRENT,
"typeid": OpenThings.Value.UINT,
"length": 1,
"value": 0 # FILL IN
},
{
"wr": False,
"paramid": OpenThings.PARAM_FREQUENCY,
"typeid": OpenThings.Value.UINT,
"length": 1,
"value": 0 # FILL IN
},
{
"wr": False,
"paramid": OpenThings.PARAM_REAL_POWER,
"typeid": OpenThings.Value.UINT,
"length": 1,
"value": 0 # FILL IN
},
{
"wr": False,
"paramid": OpenThings.PARAM_REACTIVE_POWER,
"typeid": OpenThings.Value.UINT,
"length": 1,
"value": 0 # FILL IN
},
{
"wr": False,
"paramid": OpenThings.PARAM_APPARENT_POWER,
"typeid": OpenThings.Value.UINT,
"length": 1,
"value": 0 # FILL IN
},
]
}
def send_join_ack(radio, mfrid, productid, sensorid):
# send back a JOIN ACK, so that join light stops flashing
response = OpenThings.Message(JOIN_ACK)
response.set(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, device_id=None, air_interface=None):
self.air_interface = air_interface
self.device_id = self.parse_device_id(device_id)
class Config(): pass
self.config = Config()
class Capabilities(): pass
self.capabilities = Capabilities()
self.updated_cb = None
def get_config(self):
raise RuntimeError("There is no configuration for a base Device")
@staticmethod
def parse_device_id(device_id):
"""device_id could be a number, a hex string or a decimal string"""
##print("**** parsing: %s" % str(device_id))
if device_id == None:
raise ValueError("device_id is None, not allowed")
if type(device_id) == int:
return device_id # does not need to be parsed
if type(device_id) == tuple or type(device_id) == list:
# each part of the tuple could be encoded
res = []
for p in device_id:
res.append(Device.parse_device_id(p))
#TODO: could usefully convert to tuple here to be helpful
return res
if type(device_id) == str:
# could be hex or decimal or strtuple or strlist
if device_id == "":
raise ValueError("device_id is blank, not allowed")
elif device_id.startswith("0x"):
return int(device_id, 16)
elif device_id[0] == '(' and device_id[-1] == ')':
##print("**** parse tuple")
inner = device_id[1:-1]
parts = inner.split(',')
##print(parts)
res = []
for p in parts:
res.append(Device.parse_device_id(p))
##print(res)
return res
elif device_id[0] == '[' and device_id[-1] == ']':
##print("**** parse list")
inner = device_id[1:-1]
parts = inner.split(',')
##print(parts)
res = []
for p in parts:
res.append(Device.parse_device_id(p))
#TODO: could usefully change to tuple here
##print(res)
return res
else:
return int(device_id, 10)
else:
raise ValueError("device_id unsupported type or format, got: %s %s" % (type(device_id), str(device_id)))
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):
"""Entry point for a message to be processed"""
#This is the base-class entry point, don't override this, but override handle_message
self.handle_message(payload)
if self.updated_cb != None:
self.updated_cb(self, payload)
def handle_message(self, payload):
"""Default handling for a new message"""
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 when_updated(self, callback):
"""Provide a callback handler to be called when a new message arrives"""
self.updated_cb = callback
# signature: update(self, message)
def __repr__(self):
return "Device()"
class EnergenieDevice(Device):
"""An abstraction for any kind of Energenie connected device"""
def __init__(self, device_id=None, air_interface=None):
Device.__init__(self, device_id, air_interface)
def get_device_id(self): # -> id:int
return self.device_id
def __repr__(self):
return "Device(%s)" % str(self.device_id)
class LegacyDevice(EnergenieDevice):
DEFAULT_HOUSE_ADDRESS = 0x6C6C6
"""An abstraction for Energenie green button legacy OOK devices"""
def __init__(self, device_id=None, air_interface=None):
if air_interface == None:
air_interface == ook_interface
if device_id == None:
device_id = (LegacyDevice.DEFAULT_HOUSE_ADDRESS, 1)
elif type(device_id) == int:
device_id = (LegacyDevice.DEFAULT_HOUSE_ADDRESS, device_id)
EnergenieDevice.__init__(self, device_id, ook_interface)
#TODO: These might now just be implied by the ook_interface adaptor
self.config.frequency = 433.92
self.config.modulation = "OOK"
self.config.codec = "4bit"
def __repr__(self):
return "LegacyDevice(%s)" % str(self.device_id)
def get_config(self):
"""Get the persistable config, enough to reconstruct this class from a factory"""
return {
"type": self.__class__.__name__,
"device_id": self.device_id
}
def send_message(self, payload):
#TODO: 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, air_interface=None):
if air_interface == None:
air_interface = fsk_interface
EnergenieDevice.__init__(self, device_id, air_interface)
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 get_config(self):
"""Get the persistable config, enough to reconstruct this class from a factory"""
return {
"type": self.__class__.__name__,
##"manufacturer_id": self.manufacturer_id, # not needed, known by class
##"product_id": self.product_id, # not needed, known by class
"device_id": self.device_id
}
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
@staticmethod
def get_join_req(mfrid, productid, deviceid):
"""Used for testing, synthesises a JOIN_REQ message from this device"""
msg = OpenThings.Message(JOIN_REQ)
msg["header_mfrid"] = mfrid
msg["header_productid"] = productid
msg["header_sensorid"] = deviceid
return msg
def join_ack(self):
"""Send a join-ack to the real device"""
msg = OpenThings.Message(header_mfrid=MFRID_ENERGENIE, header_productid=self.product_id, header_sensorid=self.device_id)
msg[OpenThings.PARAM_JOIN] = {"wr":False, "typeid":OpenThings.Value.UINT, "length":0}
self.send_message(msg)
#def handle_message(self, payload):
#override for any specific handling
def send_message(self, payload):
#TODO: 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, air_interface=None):
LegacyDevice.__init__(self, device_id, air_interface)
self.config.tx_repeats = 8
self.capabilities.switch = True
self.capabilities.receive = True
def __repr__(self):
return "ENER002(%s,%s)" % (str(hex(self.device_id[0])), str(hex(self.device_id[1])))
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 MIHO004(MiHomeDevice):
"""Monitor only Adaptor"""
pass #TODO
class MIHO005(MiHomeDevice):
"""An Energenie MiHome Adaptor Plus"""
def __init__(self, device_id, air_interface=None):
MiHomeDevice.__init__(self, device_id, air_interface)
self.product_id = PRODUCTID_MIHO005
class Readings():
switch = None
voltage = None
frequency = None
current = 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 __repr__(self):
return "MIHO005(%s)" % str(hex(self.device_id))
@staticmethod
def get_join_req(deviceid):
"""Get a synthetic join request from this device, for testing"""
return MiHomeDevice.get_join_req(MFRID_ENERGENIE, PRODUCTID_MIHO004, deviceid)
def handle_message(self, payload):
##print("MIHO005 new data %s" % self.device_id)
for rec in payload["recs"]:
paramid = rec["paramid"]
#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))
elif paramid == OpenThings.PARAM_VOLTAGE:
self.readings.voltage = value
elif paramid == OpenThings.PARAM_CURRENT:
self.readings.current = value
elif paramid == OpenThings.PARAM_REAL_POWER:
self.readings.real_power = value
elif paramid == OpenThings.PARAM_APPARENT_POWER:
self.readings.apparent_power = value
elif paramid == OpenThings.PARAM_REACTIVE_POWER:
self.readings.reactive_power = value
elif paramid == OpenThings.PARAM_FREQUENCY:
self.readings.frequency = value
else:
try:
param_name = OpenThings.param_info[paramid]['n'] # name
except:
param_name = "UNKNOWN_%s" % str(hex(paramid))
print("unwanted paramid: %s" % param_name)
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.Message(SWITCH)
payload.set(header_productid=self.product_id,
header_sensorid=self.device_id,
recs_SWITCH_STATE_value=True)
self.send_message(payload)
def turn_off(self):
#TODO: header construction should be in MiHomeDevice as it is shared?
payload = OpenThings.Message(SWITCH)
payload.set(header_productid=self.product_id,
header_sensorid=self.device_id,
recs_SWITCH_STATE_value=False)
self.send_message(payload)
def set_switch(self, state):
if state:
self.turn_on()
else:
self.turn_off()
#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, air_interface=None):
MiHomeDevice.__init__(self, device_id, air_interface)
self.product_id = PRODUCTID_MIHO006
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, air_interface=None):
MiHomeDevice.__init__(self, device_id, air_interface)
self.product_id = PRODUCTID_MIHO013
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
# for other product ranges like wirefree doorbells
class DeviceFactory():
"""A place to come to, to get instances of device classes"""
# If you know the name of the device, use this table
device_from_name = {
# official name friendly name
"ENER002": ENER002, "GreenButton": ENER002,
"MIHO005": MIHO005, "AdaptorPlus": MIHO005,
"MIHO006": MIHO006, "HomeMonitor": MIHO006,
"MIHO013": MIHO013, "eTRV": MIHO013,
}
#TODO: These are MiHome devices only, but might add in mfrid prefix too
# If you know the mfrid, productid of the device, use this table
device_from_id = {
PRODUCTID_MIHO004: MIHO004,
PRODUCTID_MIHO005: MIHO005,
PRODUCTID_MIHO006: MIHO006,
PRODUCTID_MIHO013: MIHO013
#ENER product range does not have deviceid, as it does not transmit
}
default_air_interface = None
@staticmethod
def set_default_air_interface(air_interface):
DeviceFactory.default_air_interface = air_interface
@staticmethod
def keys():
return DeviceFactory.device_from_name.keys()
@staticmethod
def get_device_from_name(name, device_id=None, air_interface=None, **kwargs):
"""Get a device by name, construct a new instance"""
# e.g. This is useful when creating device class instances from a human readable config
if not name in DeviceFactory.device_from_name:
raise ValueError("Unsupported device:%s" % name)
c = DeviceFactory.device_from_name[name]
if air_interface == None:
air_interface = DeviceFactory.default_air_interface
return c(device_id, air_interface, **kwargs)
@staticmethod
def get_device_from_id(id, device_id=None, air_interface=None):
"""Get a device by it's id, construct a new instance"""
# e.g. This is useful when recreating device class instances from a persisted registry
if not id in DeviceFactory.device_from_id:
raise ValueError("Unsupported device id:%s" % id)
c = DeviceFactory.device_from_id[id]
if air_interface == None:
air_interface = DeviceFactory.default_air_interface
i = c(device_id, air_interface)
print(i)
return i
# END
David Whale