def send_packets_to_android(self, ibus_packets):
"""
Sends data via Bluetooth socket connection
"""
if self.conn_established:
try:
print("Sending encapsulated IBUSPacket(s)...")
packets = []
for ibus_packet in ibus_packets:
packets.append(ibus_packet.as_dict())
# encapsulate IBUS packet in BlueBUSPacket
packet = BlueBUSPacket(packet_type=BlueBUSPacket.TYPE_PACKET,
data=json.dumps(packets))
# serialize BlueBusPacket and send
json_data = json.dumps(packet.as_dict())
if globals.debug:
print json_data
self.client_sock.send(json_data)
# packet sent successfully
#print packet
return True
except Exception as e:
# socket was closed, graceful restart
print "Error: " + e.message
globals.restart_bluetooth()
return False
def process_data_from_android(data):
"""
Processes received data from Bluetooth socket
"""
try:
# inflate JSON data to BlueBUSPacket
parsed_json = json.loads(data)
packet = BlueBUSPacket(packet_type=parsed_json['type'],
data=parsed_json['data'])
print("Received BlueBusPacket from Android [" +
str(len(packet.data)) + "]")
# check if command to perform (i.e. write to IBUS)
globals.ibus_service.write_to_ibus(packet.data.decode('hex'))
return
except Exception as e:
print "Error: " + e.message
return
def send_command_to_android(self, command):
"""
Sends data via Bluetooth socket connection
"""
try:
print("Sending message...")
# encapsulate command in BlueBUSPacket
packet = BlueBUSPacket(packet_type=BlueBUSPacket.TYPE_COMMAND,
data=command)
# serialize BlueBusPacket and send
json_data = json.dumps(packet.__dict__())
self.client_sock.send(json_data)
#print packet
return True
except Exception as e:
print "Error: " + e.message
globals.restart_bluetooth()
return False