def app_in(self, msg): # Generate messages
global d_msg_len, d_mac_id, d_seq_nr, d_msg
if self.debug:
print "******************************** \nGenerating messages ...\n******************************** "
print ""
print "MAC:app_in: got something:", msg
data = msg
if (pmt.is_pair(msg)):
data = pmt.cdr(msg)
#if self.debug: print "mac.py:app_in: pmt_is_pair \n"
elif (pmt.is_eof_object(msg)):
if self.debug: print "MAC: exiting"
return
elif (pmt.is_blob(msg)):
data = pmt.cdr(msg)
if self.debug: print "data is blob"
else:
if self.debug: print "MAC: unknown input"
return
if pmt.is_u8vector(data):
"data is u8vector"
data_elements = pmt.u8vector_elements(data)
if self.debug:
print "Data from Application Layer: ", data_elements, "\n"
print "Data length :", len(data_elements), "\n"
d_msg = []
if pmt.is_symbol(data):
dataString = pmt.symbol_to_string(data)
if self.debug:
print "len(pmt.symbol_to_string(data)): ", len(
dataString), "pmt.symbol_to_string(data): ", dataString
generate_mac(data, len(dataString), self.debug, d_mac_id, d_seq_nr,
self.no_self_loop)
else:
generate_mac(data, pmt.length(data), self.debug, d_mac_id,
d_seq_nr, self.no_self_loop)
generatedMacPayload = pmt.make_u8vector(len(d_msg), 0)
for i in range(len(d_msg)):
#if (pmt.is_vector(data)):
#print "d_msg[",i,"]: ", d_msg[i], " ; type: ", type(d_msg[i])
# pmt.vector_set(generatedMacPayload, i, pmt.to_pmt(d_msg[i]))
pmt.u8vector_set(generatedMacPayload, i, d_msg[i])
#else: pmt.u8vector_set(generatedMacPayload, i, d_msg[i])
self.message_port_pub(pmt.intern("pdu out"),
pmt.cons(pmt.PMT_NIL, generatedMacPayload))
print
print "**********************************"
print
if self.debug:
print "Data Published to physical Layer: ", pmt.u8vector_elements(
generatedMacPayload), "\n"
def handle_msg_fft_average(self, msg_pmt):
# PMT TYPE CHECK AND UNPACKING
if pmt.is_symbol(msg_pmt):
msg_str = pmt.symbol_to_string(msg_pmt)
if msg_str == "FFT_AVG_FINISH_ACK":
self.top_block.rise_fft_avg_flag()
elif pmt.is_f32vector(msg_pmt):
data = pmt.f32vector_elements(msg_pmt)
self.fft_data_buffer = data
def handle_msg_energy(self, msg_pmt):
# PMT TYPE CHECK AND UNPACKING
if pmt.is_symbol(msg_pmt):
msg_str = pmt.symbol_to_string(msg_pmt)
if msg_str == "E_FINISH_ACK":
self.top_block.rise_energy_flag()
elif pmt.is_f32vector(msg_pmt):
data = pmt.f32vector_elements(msg_pmt)
self.top_block.on_receive_pkt_data(data)
def parse_packet(self, packet):
if not pmt.is_symbol(packet):
if self.__debug:
print("PMT is no symbol (string)")
return
packet = pmt.to_python(packet)
if len(packet) != 24:
if self.__debug:
print("Message length invalid:", len(packet))
return
if '11' in packet:
if self.__debug:
print("Discarding packet, because of repetitive 1's")
return
if packet[20] == '1' and packet[22] == '1':
if self.__debug:
print("Discarding packet, because on and off is both set")
return
info = "DIP "
if packet[0] == '0':
info += "1"
if packet[2] == '0':
info += "2"
if packet[4] == '0':
info += "3"
if packet[6] == '0':
info += "4"
if packet[8] == '0':
info += "5"
info += " Key "
if packet[10] == '0':
info += "A"
if packet[12] == '0':
info += "B"
if packet[14] == '0':
info += "C"
if packet[16] == '0':
info += "D"
if packet[18] == '0':
info += "E"
if packet[20] == '1':
info += " off"
if packet[22] == '1':
info += " on"
print(info)
def decode_packet(self, packet):
if not pmt.is_symbol(packet):
print("[WARN] PMT is no symbol (string)")
return
packet = str(pmt.to_python(packet))
print(packet)
repititions = packet.split("-1-")
if len(repititions) > 1 and len(
repititions[1]) == 33 and not '?' in packet:
payload = repititions[1]
print(f"[INFO] Temperature: {self.getTemp(payload[9:17])}°C")
else:
print("[INFO] Invalid packet: " + packet)
def handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_u8vector(msg):
print('[ERROR] Received invalid message type. Expected u8vector')
return
packet = bytes(pmt.u8vector_elements(msg))
meta = pmt.car(msg_pmt)
transmitter = pmt.dict_ref(
meta, pmt.intern('transmitter'), pmt.PMT_NIL)
if pmt.is_symbol(transmitter):
print('-> Packet from', pmt.symbol_to_string(transmitter),
file=self.file)
try:
data = self.format.parse(packet)
except ConstructError as e:
print(f'Could not parse telemetry beacon {e}', file=self.file)
return
if data:
print(data, file=self.file)
