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 handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_f32vector(msg):
print("[ERROR] Received invalid message type. Expected f32vector")
return
packet_short = pmt.f32vector_elements(msg)[8:8 + 1020]
packet_long = pmt.f32vector_elements(msg)[8:8 + 1996]
self.message_port_pub(
pmt.intern('short'),
pmt.cons(pmt.PMT_NIL,
pmt.init_f32vector(len(packet_short), packet_short)))
self.message_port_pub(
pmt.intern('long'),
pmt.cons(pmt.PMT_NIL,
pmt.init_f32vector(len(packet_long), packet_long)))
def handle_msg(self, msg_pmt):
msg = pmt.cdr(msg_pmt)
if not pmt.is_f32vector(msg):
print("[ERROR] Received invalid message type. Expected f32vector")
return
pls = np.array(pmt.f32vector_elements(msg)[:64], dtype='float32')
correlations = np.sum(pls[:, np.newaxis] * scrambled_PLS_bipolar,
axis=0)
code = PLS_codes[np.argmax(correlations)]
# It seems that there is a typo in the rev 1.04 document
# PLS-code 0 is listed as corresponding to data length 223
# PLS-code 1 is listed as corresponding to data length 48
# However, according to the test IQ data it is the other way
# around
data_len = 48 if code == 0 else 223
payload_len = (data_len + 32) * 2
payload_out = pmt.f32vector_elements(msg)[64:][:8 * payload_len]
payload_out = pmt.init_f32vector(len(payload_out), payload_out)
msg_out = pmt.cons(pmt.car(msg_pmt), payload_out)
self.message_port_pub(pmt.intern('out'), msg_out)
