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Add proper connect and disconnect functions

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This makes it possible to only open a short lived connection to the
physical SEM6000 socket. A few old artefacts referencing __reconnect do
still exist in the code.
This commit is contained in:
sqozz 2019-11-13 17:57:24 +01:00
parent 6c83bccbde
commit bc34c9dd8f
1 changed files with 30 additions and 16 deletions
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46
sem6000.py
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@ -16,7 +16,6 @@ class SEMSocket():
_write_char = None _write_char = None
_notify_char = None _notify_char = None
_btle_device = None _btle_device = None
connected = False
def __init__(self, mac, auto_reconnect_timeout = None): def __init__(self, mac, auto_reconnect_timeout = None):
self.mac_address = mac self.mac_address = mac
@ -70,20 +69,19 @@ class SEMSocket():
msg = self.BTLEMessage(self, cmd, payload) msg = self.BTLEMessage(self, cmd, payload)
msg.send() msg.send()
def __reconnect(self): @property
def connected(self):
try: try:
self._btle_device = btle.Peripheral(self.mac_address,addrType=btle.ADDR_TYPE_PUBLIC,iface=0) if "conn" in self._btle_device.status().get("state"):
self._btle_handler = self.BTLEHandler(self) return True
else:
return False
except:
return False
self._custom_service = self._btle_device.getServiceByUUID(0xfff0) def __reconnect(self):
self._read_char = self._custom_service.getCharacteristics("0000fff1-0000-1000-8000-00805f9b34fb")[0] self.disconnect()
self._write_char = self._custom_service.getCharacteristics("0000fff3-0000-1000-8000-00805f9b34fb")[0] self.connect()
self._notify_char = self._custom_service.getCharacteristics("0000fff4-0000-1000-8000-00805f9b34fb")[0]
self._btle_device.setDelegate(self._btle_handler)
except btle.BTLEException as e:
self.connected = False
else:
self.connected = True
def reconnect(self, timeout = None): def reconnect(self, timeout = None):
if timeout == None: if timeout == None:
@ -96,6 +94,24 @@ class SEMSocket():
if not self.connected: if not self.connected:
raise self.NotConnectedException raise self.NotConnectedException
def connect(self):
self.disconnect()
if not self._btle_device:
self._btle_device = btle.Peripheral(self.mac_address,addrType=btle.ADDR_TYPE_PUBLIC,iface=0)
else:
self._btle_device.connect(self.mac_address)
self._btle_handler = self.BTLEHandler(self)
self._custom_service = self._btle_device.getServiceByUUID(0xfff0)
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): #def SynVer(self):
# print("SynVer") # print("SynVer")
# self.read_char.read_value() # self.read_char.read_value()
@ -197,9 +213,7 @@ class SEMSocket():
self.__btle_device.powered = bool(data[4]) self.__btle_device.powered = bool(data[4])
elif message_type == 0x17: elif message_type == 0x17:
if data[5] == 0x00 or data[5] == 0x01: if data[5] == 0x00 or data[5] == 0x01:
if not data[4]: if data[4]:
print("Login successful")
else:
print("Login failed") print("Login failed")
else: else:
print("5th byte of login-response is > 1:", data) print("5th byte of login-response is > 1:", data)