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2 changed files with 44 additions and 138 deletions

View file

@ -11,25 +11,22 @@ while True:
time.sleep(1)
try:
if socket == None:
print("Connecting... ", end="")
print("Connecting...")
# auto_reconnect_timeout enabled auto reconnect if sending a command fails. Valid values:
# None (default): everything that fails throws NotConnectedException's
# -1: infinite retries
# integer: seconds before exception is thrown
socket = SEMSocket('f0:c7:7f:0d:e7:17')
print("Success!")
print("You're now connected to: {} (Icon: {})".format(socket.name, socket.icons[0]))
if socket.login("1234") and socket.authenticated:
print("Login successful!")
socket.getSynConfig()
print()
print("=== Tariff settings ===")
print("Default charge:", socket.default_charge)
print("Night charge:", socket.night_charge)
print("Night tariff from {} to {}".format(socket.night_charge_start_time.tm_hour, socket.night_charge_end_time.tm_hour))
print()
print("=== Other settings ===")
print("Night mode:", "active" if socket.night_mode else "inactive")
print("Power protection:", socket.power_protect)
print()
print("Connected.")
#socket.login("1337")
#socket.changePassword("1234")
#socket.login("1234")
socket.getStatus()
socket.setStatus(True)
print("=== {} ({}) ===".format(socket.mac_address, "on" if socket.powered else "off"))
print("\t{}V {}A → {}W@{}Hz (PF: {})".format(socket.voltage, socket.current, socket.power, socket.frequency, socket.power_factor))
except (SEMSocket.NotConnectedException, bluepy.btle.BTLEDisconnectError, BrokenPipeError):

View file

@ -4,7 +4,6 @@ import datetime
import uuid
class SEMSocket():
icons = ["plug", "speaker", "flatscreen", "desk lamp", "oven", "kitchen machine", "canning pot", "stanging lamp", "kettle", "mixer", "hanging lamp", "toaster", "washing machine", "fan", "fridge", "iron", "printer", "monitor", "notebook", "workstation", "video recorder", "curling iron", "heater"]
password = "0000"
powered = False
voltage = 0
@ -16,11 +15,9 @@ class SEMSocket():
mac_address = ""
custom_service = None
authenticated = False
_icon_idx = None
_name = None
_version_char = None
_read_char = None
_write_char = None
_name_char = None
_notify_char = None
_btle_device = None
def __init__(self, mac):
@ -39,13 +36,6 @@ class SEMSocket():
msg = self.BTLEMessage(self, cmd, payload)
return msg.send()
def getSynConfig(self):
#15, 5, 16, 0, 0, 0, 17, -1, -1
cmd = bytearray([0x10])
payload = bytearray([0x00, 0x00, 0x00])
msg = self.BTLEMessage(self, cmd, payload)
msg.send()
def setStatus(self, status):
# 0f 06 03 00 01 00 00 05 ff ff -> on
# 0f 06 03 00 00 00 00 04 ff ff -> off
@ -97,68 +87,6 @@ class SEMSocket():
self.authenticated = self.authenticated and success
return success
def setIcon(self, iconIdx):
cmd = bytearray([0x0f])
payload = bytearray([0x00, 0x03, iconIdx, 0x00, 0x00, 0x00, 0x00])
msg = self.BTLEMessage(self, cmd, payload)
success = msg.send()
return success
def enableLED(self, status):
cmd = bytearray([0x0f])
payload = bytearray([0x00, 0x05, status, 0x00, 0x00, 0x00, 0x00])
msg = self.BTLEMessage(self, cmd, payload)
success = msg.send()
return success
@property
def name(self):
self._name = self._name_char.read().decode("UTF-8")
return self._name
@name.setter
def name(self, newName):
newNameBytes = newName.encode("UTF-8")
cmd = bytearray([0x02])
payload = bytearray()
payload.append(0x02)
for i in range(20):
if i <= (len(newNameBytes) - 1):
payload.append(newNameBytes[i])
else:
payload.append(0x00)
msg = self.BTLEMessage(self, cmd, payload)
success = msg.send()
# For some reason the original app sets the first 7 bytes of the payload to zero and sends it again.
# However, a first test showed, that this really doesn't change anything. If it becomes neccessary here's a first draft:
#for i in range(7):
# payload[i+1] = 0x00
#msg = self.BTLEMessage(self, cmd, payload)
if not success:
raise self.SendMessageFailed
if self.name != newName:
raise self.NotLoggedIn
@property
def serial(self):
# 15, 5, 17, 0, 0, 0, 18, -1, -1
cmd = bytearray([0x11])
payload = bytearray([0x00, 0x00, 0x00])
msg = self.BTLEMessage(self, cmd, payload)
success = msg.send()
if not success:
raise self.SendMessageFailed
return self._serial
@property
def firmware_version(self):
char_value = self._version_char.read()
major = char_value[11]
minor = char_value[12]
return "{}.{}".format(major, minor)
@property
def connected(self):
try:
@ -176,30 +104,44 @@ class SEMSocket():
self.disconnect()
self._btle_device.connect(self.mac_address)
self._btle_handler = self.BTLEHandler(self)
self._btle_device.setDelegate(self._btle_handler)
self._custom_service = self._btle_device.getServiceByUUID(0xfff0)
self._version_char = self._custom_service.getCharacteristics("0000fff1-0000-1000-8000-00805f9b34fb")[0] #contains firmware version info
self._write_char = self._custom_service.getCharacteristics("0000fff3-0000-1000-8000-00805f9b34fb")[0] #is used to write commands
self._name_char = self._custom_service.getCharacteristics("0000fff6-0000-1000-8000-00805f9b34fb")[0]
self._read_char = self._custom_service.getCharacteristics("0000fff1-0000-1000-8000-00805f9b34fb")[0]
self._write_char = self._custom_service.getCharacteristics("0000fff3-0000-1000-8000-00805f9b34fb")[0]
self._notify_char = self._custom_service.getCharacteristics("0000fff4-0000-1000-8000-00805f9b34fb")[0]
self._btle_device.setDelegate(self._btle_handler)
def disconnect(self):
if self.connected == True:
self._btle_device.disconnect()
#def SynVer(self):
# print("SynVer")
# self.read_char.read_value()
#def GetSynConfig(self):
# print("GetSynConfig")
# #15, 5, 16, 0, 0, 0, 17, -1, -1
# self.write_char.write_value(bytearray(b'\x0f\x05\x10\x00\x00\x00\x11\xff\xff'))
#def ______RESET(self):
# #15, 5, 16, 0, 0, 0, 17, -1, -1 ??? maybe reset?
# pass
#def GetSN(self):
# print("GetSN")
# #15, 5, 17, 0, 0, 0, 18, -1, -1
# self.write_char.write_value(bytearray(b'\x0f\x05\x11\x00\x00\x00\x12\xff\xff'))
# self.SynVer()
# self.notify_char.enable_notifications()
# self.Login("1337")
# self.GetSynConfig()
# #self.GetSN()
class NotConnectedException(Exception):
pass
class SendMessageFailed(Exception):
pass
class NotLoggedIn(Exception):
pass
class BTLEMessage():
MAGIC_START = bytearray([0x0f])
MAGIC_END = bytearray([0xff, 0xff])
@ -257,28 +199,17 @@ class SEMSocket():
self.__btle_device = btle_device
def handleNotification(self, cHandle, data):
if len(data) <= 3:
print("Notification data seems invalid or incomplete. Could not parse: ", end="")
print(data)
return
message_type = data[2]
if message_type == 0x00:
if data[4] == 0x01:
print("Checksum error!")
else:
print("Unknown error:", data)
elif message_type == 0x01: #sync time response
if not data[3:] == b'\x00\x00\x02\xff\xff':
print("Time synced failed with unknown data: ", end="")
print(data)
elif message_type == 0x02: #set name response
if not data[3:] == b'\x00\x00\x03\xff\xff':
print("Set name failed with unknown data: ", end="")
print(data)
elif message_type == 0x03: #switch toggle response
elif message_type == 0x01:
print("Time synced")
elif message_type == 0x03: #switch toggle
self.__btle_device.getStatus()
elif message_type == 0x04: #status related response
elif message_type == 0x04: #status related data
voltage = data[8]
current = (data[9] << 8 | data[10]) / 1000
power = (data[5] << 16 | data[6] << 8 | data[7]) / 1000
@ -296,19 +227,7 @@ class SEMSocket():
self.__btle_device.power_factor = power / (voltage * current)
except ZeroDivisionError:
self.__btle_device.power_factor = None
elif message_type == 0x10: #plug settings response
self.__btle_device.default_charge = (data[5] / 100)
self.__btle_device.night_charge = (data[6] / 100)
night_charge_start_time = int((data[7] << 8 | data[8]) / 60)
night_charge_end_time = int((data[9] << 8 | data[10]) / 60)
self.__btle_device.night_charge_start_time = time.strptime(str(night_charge_start_time), "%H")
self.__btle_device.night_charge_end_time = time.strptime(str(night_charge_end_time), "%H")
self.__btle_device.night_mode = not bool(data[11])
self.__btle_device.icon_idx = data[12]
self.__btle_device.power_protect = (data[13] << 8 | data[14])
elif message_type == 0x11: #serial number response
self.__btle_device._serial = data[-16:].decode("UTF-8")
elif message_type == 0x17: #authentication related response
elif message_type == 0x17:
if data[5] == 0x00 or data[5] == 0x01:
# in theory the fifth byte indicates a login attempt response (0) or a response to a password change (1)
# but since a password change requires a valid login and a successful password changes logs you in,
@ -316,16 +235,6 @@ class SEMSocket():
self.__btle_device.authenticated = not data[4]
else:
print("5th byte of login-response is > 1:", data)
elif message_type == 0x0f: #set icon response
if data[3:6] == b'\x00\x03\x00':
# LED set successfully
pass
elif data[3:6] == b'\x00\x05\x00':
# Icon set successfully
pass
else:
print("Unknown response for setting icon: ", end="")
print(data[3:])
else:
print ("Unknown message from Handle: 0x" + format(cHandle,'02X') + " Value: "+ format(data))