class RPIInit(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
self.SerialConnection = SerialConnection()
self.WifiConnection = WifiConnection()
self.BluetoothConnection = Bluetooth_Connection()
self.WifiConnection.connect()
self.wifiIsConnected = True
self.BluetoothConnection.setupConnection()
self.bluetoothIsConnected = True
self.SerialConnection.connect()
self.serialIsConnected = True
def readFromWifiConnection(self):
while True:
try:
msg = self.WifiConnection.read()
if msg == '':
print('Wifi Connection is Lost')
self.wifiIsConnected = False
break
command = msg[0:1]
print(command)
print('From PC: ' + str(msg))
if command == 'A':
self.SerialConnection.write(str(msg[1:]))
elif command == 'T':
self.BluetoothConnection.clientWrite(str(msg[1:]))
elif command == ';':
self.WifiConnection.write('RPi3: connection closed')
self.wifiIsConnected = False
break
else:
self.WifiConnection.write('Rpi3: Message received')
except Exception as e:
print('readFromWifiConnection Error' + str(e))
def readFromBluetoothConnection(self):
while True:
try:
msg = self.BluetoothConnection.clientRead()
if msg == '':
print('bluetooth connection lost')
self.bluetoothIsConnected = False
break
command = msg[0:1]
print(command)
print('From Bluetooth:' + str(msg))
if command == 'P':
self.WifiConnection.write(str(msg[1:]))
elif command == 'A':
self.SerialConnection.write(str(msg[1:]))
elif msg == ';':
self.BluetoothConnection.clientWrite(
'RPi3: Connection closed')
self.bluetoothIsConnected = False
break
else:
self.BluetoothConnection.clientWrite('RPi3: Msg received')
except Exception as e:
print('readFromBluetoothConnection Error' + str(e))
def readFromSerialConnection(self):
while True:
try:
msg = self.SerialConnection.read()
if msg == '':
print('serial conncetion is lost')
self.serialIsConnected = False
break
command = msg[0:1]
print(command)
print('From Arduino:' + str(msg))
if command == 'P':
self.WifiConnection.write(str(msg[1:]))
elif command == 'T':
self.BluetoothConnection.write('RPi3: Instruction ' +
str(msg[1:]) +
' Sent to Tablet')
elif msg == ';':
self.SerialConnection.Write('RPi3: Connection Closed')
self.serialIsConnected = False
break
else:
print('works')
except Exception as e:
print('readFromSerialConnection Error' + str(e))
def startThreads(self):
bluetoothThread = threading.Thread(
target=self.readFromBluetoothConnection, name='Bluetooth Thread')
wifiThread = threading.Thread(target=self.readFromBluetoothConnection,
name="Bluetooth Thread")
serialThread = threading.Thread(target=self.readFromSerialConnection,
name="Serial Thread")
bluetoothThread.daemon = True
wifiThread.daemon = True
serialThread.daemon = True
print('Susccessfully initialized threads')
bluetoothThread.start()
wifiThread.start()
serialThread.start()
print("Worker Threads started")
def cleanup(self):
try:
self.WifiConnection.close()
self.BluetoothConnection.close()
self.SerialConnection.close()
except Exception as e:
print("Cleanup Error:" + str(e))
