def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len")
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, "Pre-CRC", ""); self.blocks_tag_debug_1.set_display(True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "Post-CRC", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 100, "packet_len")
self.blocks_head_0 = blocks.head(gr.sizeof_char*1, 100*5)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 255, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0), (self.blocks_head_0, 0))
self.connect((self.blocks_head_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_tag_debug_1, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Joystick 101") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 48000 ################################################## # Blocks ################################################## self.openavionics_joystick_interface_0 = openavionics.joystick_interface() self.openavionics_audio_ptt_0 = openavionics.audio_ptt() self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_float*1, "") self.blocks_message_debug_0 = blocks.message_debug() self.audio_source_0 = audio.source(samp_rate, "", True) ################################################## # Connections ################################################## self.connect((self.openavionics_audio_ptt_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.audio_source_0, 0), (self.openavionics_audio_ptt_0, 0)) ################################################## # Asynch Message Connections ################################################## self.msg_connect(self.openavionics_joystick_interface_0, "out", self.openavionics_audio_ptt_0, "in2") self.msg_connect(self.openavionics_joystick_interface_0, "out", self.blocks_message_debug_0, "print")
def test_003_every (self):
self.tb = gr.top_block ()
self.rate = 99999999999
self.interval = 1
self.duration = 4321
self.src = blocks.vector_source_c(list(range(self.duration)), False, 1, [])
self.utag = timing_utils.add_usrp_tags_c(1090e6, self.rate, 0, .98765)
self.tags = timing_utils.tag_uhd_offset_c(self.rate, self.interval)
self.tag_dbg = blocks.tag_debug(gr.sizeof_gr_complex*1, "", "");
self.tag_dbg.set_display(False)
self.tb.connect((self.src, 0), (self.utag, 0))
self.tb.connect((self.utag, 0), (self.tags, 0))
self.tb.connect((self.tags, 0), (self.tag_dbg, 0))
e_n_tags = int(ceil(1.0*self.duration / self.interval)) + 3
self.tb.run ()
tags = self.tag_dbg.current_tags()
tprev = None
for t in tags:
if pmt.eq(t.key, pmt.intern("rx_time_offset")):
self.assertAlmostEqual(self.rate, pmt.to_double(pmt.tuple_ref(t.value, 3)),-4)
self.assertEqual(t.offset, pmt.to_uint64(pmt.tuple_ref(t.value, 2)))
self.assertTrue((pmt.to_uint64(pmt.tuple_ref(t.value, 2)) / (1.0*self.interval)).is_integer())
if tprev is not None:
tcur = pmt.to_uint64(pmt.tuple_ref(t.value, 0)) + pmt.to_double(pmt.tuple_ref(t.value, 1))
self.assertAlmostEqual(tcur-tprev, 1.0*self.interval / self.rate)
tprev = tcur
else:
tprev = pmt.to_uint64(pmt.tuple_ref(t.value, 0)) + pmt.to_double(pmt.tuple_ref(t.value, 1))
self.assertEqual(self.tag_dbg.num_tags(), e_n_tags)
self.tb = None
def test_002_t (self): # set up fg in_data = range(20) vlen_in = 5 crop_x = (2,4) crop_y = (1,4) src = blocks.vector_source_c(in_data) s2v = blocks.stream_to_vector(8,vlen_in) s2ts = blocks.stream_to_tagged_stream(8,vlen_in,len(in_data)/vlen_in,'packet_len') crop = radar.crop_matrix_vcvc(vlen_in,crop_x,crop_y) v2s = blocks.vector_to_stream(8,crop_x[1]-crop_x[0]) snk = blocks.vector_sink_c() debug = blocks.tag_debug(8,'debug') self.tb.connect(src,s2v,s2ts,crop,v2s,snk) self.tb.connect(v2s,debug) self.tb.run () # check data ref_data = (7,8,12,13,17,18) out_data = snk.data() print "INDATA:", in_data print "REF: ", ref_data print "OUTPUT:", out_data for k in range(len(out_data)): self.assertEqual(out_data[k].real,ref_data[k])
def test_003_t (self):
src_data = ( 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
trg_data = ( 0, 0, 0, 0, 10, 0, 0, 0, 0, 0)
# Blocks
src_data = blocks.vector_source_c(src_data)
src_trig = blocks.vector_source_i(trg_data)
op = marmote.peak_tagger_cc(
threshold = 2,
lookahead = 3,
delay = 1
)
snk_tag = blocks.tag_debug(gr.sizeof_gr_complex, "peak tagger QA")
snk_data = blocks.vector_sink_c()
# Connections
self.tb.connect(src_data, (op,0))
self.tb.connect(src_trig, (op,1))
self.tb.connect(op, snk_tag)
self.tb.connect(op, snk_data)
self.tb.run()
# Check data
x = snk_tag.current_tags()
y = snk_data.data()
self.assertEqual(6, y[x[0].offset])
def test_002_tags(self):
start_time = 0.1
self.duration = 125000
tnow = time.time()
src_tag = gr.tag_utils.python_to_tag([0, pmt.intern("wall_clock_time"), pmt.from_double(tnow - 10000), pmt.intern("test_002_tags")])
self.src = blocks.vector_source_c(list(range(self.duration)), False, 1, [src_tag])
self.throttle = blocks.throttle(gr.sizeof_gr_complex*1, 250000)
self.dut = timing_utils.system_time_diff_c(True, True, False)
self.tag_dbg = blocks.tag_debug(gr.sizeof_gr_complex*1, '', "");
self.tb.connect((self.src, 0), (self.throttle, 0))
self.tb.connect((self.throttle, 0), (self.dut, 0))
self.tb.connect((self.dut, 0), (self.tag_dbg, 0))
self.tb.start()
time.sleep(.01)
tags = self.tag_dbg.current_tags();
print("Dumping tags")
for t in tags:
print( 'Tag:' , t.key, ' ', t.value )
if pmt.eq(t.key, pmt.intern("wall_clock_time")):
time_tag = t;
if time_tag:
self.assertAlmostEqual( tnow, pmt.to_double(time_tag.value), delta=60 )
else:
self.assertTrue( False )
time.sleep(.1)
self.tb.stop()
def setUp (self):
self.tb = gr.top_block ()
self.N_rb_dl = N_rb_dl = 6
self.key = "symbol"
self.out_key = "subframe"
self.msg_buf_name = "cell_id"
n_carriers = 12*N_rb_dl
n_cfi_vec = 16
intu = np.zeros(n_carriers,dtype=np.complex)
self.src0 = blocks.vector_source_c( intu, False, n_carriers)
self.src1 = blocks.vector_source_c( intu, False, n_carriers)
self.src2 = blocks.vector_source_c( intu, False, n_carriers)
self.demux = lte.pcfich_demux_vcvc(N_rb_dl, self.key, self.out_key, self.msg_buf_name)
self.snk0 = blocks.vector_sink_c(n_cfi_vec)
self.snk1 = blocks.vector_sink_c(n_cfi_vec)
self.snk2 = blocks.vector_sink_c(n_cfi_vec)
self.tag = blocks.tag_debug(n_cfi_vec * 8, "TAG")
self.tb.connect(self.src0, (self.demux,0) )
self.tb.connect( (self.demux,0), self.snk0)
self.tb.connect(self.src1, (self.demux,1) )
self.tb.connect( (self.demux,1), self.snk1)
self.tb.connect(self.src2, (self.demux,2) )
self.tb.connect( (self.demux,2), self.snk2)
self.tb.connect( (self.demux,0), self.tag)
def test_001_t (self):
tx_data = range(256)*1000
src = blocks.vector_source_f(tx_data, False)
but = west.timestamp_tagger_ff(4, 1000)
sink = blocks.tag_debug(4, "dbg_sink", "timestamp")
sink.set_display(True)
self.tb.connect(src, but, sink)
self.tb.run ()
def test_001(self):
# Just run some data through and make sure it doesn't puke.
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
src = blocks.vector_source_i(src_data)
op = blocks.tag_debug(gr.sizeof_int, "tag QA")
self.tb.connect(src, op)
self.tb.run()
x = op.current_tags()
def test_001(self):
# Just run some data through and make sure it doesn't puke.
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
src = blocks.vector_source_i(src_data)
op = blocks.tag_debug(gr.sizeof_int, "tag QA")
self.tb.connect(src, op)
self.tb.run()
x = op.current_tags()
def test_002_t(self):
# Generate frames with AWGN and test SNR estimation
sample_rate = 10.0e6
frame_duration = 1.0e-3
test_duration = 0.1 * frame_duration
snr = 10
scale_value = 15.0
samples_per_frame = int(round(frame_duration * sample_rate))
samples_per_test = int(round(test_duration * sample_rate))
random_samples_skip = 0 #np.random.randint(samples_per_frame)
preamble_seq = zadoffchu(63, 1, 0)
preamble_pwr_sum = np.sum(np.abs(preamble_seq)**2)
print "***** Start test 002 *****"
framer = specmonitor.framer_c(sample_rate, frame_duration,
preamble_seq)
awgn = analog.noise_source_c(analog.GR_GAUSSIAN, 1.0 / snr)
add = blocks.add_cc()
scaler = blocks.multiply_const_vcc([complex(scale_value)])
mag2 = blocks.complex_to_mag_squared()
mavg = blocks.moving_average_ff(
len(preamble_seq), 1.0 / len(preamble_seq)
) # i need to divide by the preamble size in case the preamble seq has amplitude 1 (sum of power is len)
sqrtavg = blocks.transcendental("sqrt")
# I have to compensate the amplitude of the input signal (scale) either through a feedback normalization loop that computes the scale, or manually (not practical)
# additionally I have to scale down by the len(preamble)==sum(abs(preamble)^2) because the cross-corr does not divide by the preamble length
#scaler2 = blocks.multiply_const_vcc([complex(1.0)/scale_value/len(preamble_seq)]) # if no feedback normalization loop, I have to scale the signal compensating additionally the scaling factor
corr_est = specmonitor.corr_est_norm_cc(
preamble_seq, 1, 0) #digital.corr_est_cc(preamble_seq, 1, 0)
tag_db = blocks.tag_debug(gr.sizeof_gr_complex, "tag debugger")
head = blocks.head(gr.sizeof_gr_complex, samples_per_test)
dst = blocks.vector_sink_c()
skiphead = blocks.skiphead(gr.sizeof_float, random_samples_skip)
skiphead2 = blocks.skiphead(gr.sizeof_gr_complex, random_samples_skip)
skiphead3 = blocks.skiphead(gr.sizeof_gr_complex, random_samples_skip)
debug_vec = blocks.vector_sink_f()
debug_vec2 = blocks.vector_sink_c()
debug_vec3 = blocks.vector_sink_c()
self.tb.connect(framer, (add, 0))
self.tb.connect(awgn, (add, 1))
self.tb.connect(add, scaler)
self.tb.connect(scaler, mag2, mavg, sqrtavg)
self.tb.connect(scaler, corr_est)
self.tb.connect(corr_est, tag_db)
self.tb.connect(corr_est, head, dst)
self.tb.connect(sqrtavg, skiphead, debug_vec)
self.tb.connect(scaler, skiphead2, debug_vec2)
self.tb.run()
result_data = dst.data()
debug_vec_data = debug_vec.data()
debug_vec_data2 = debug_vec2.data()
debug_vec_data3 = debug_vec3.data()
def setUp(self):
self.tb = gr.top_block()
self.p2s = pdu.pdu_to_stream_c(pdu.EARLY_BURST_APPEND, 64)
self.vs = blocks.vector_sink_c(1)
self.tag_debug = blocks.tag_debug(gr.sizeof_gr_complex * 1, '', "")
self.tag_debug.set_display(True)
self.tb.connect((self.p2s, 0), (self.vs, 0))
self.tb.connect((self.p2s, 0), (self.tag_debug, 0))
def __init__(self, psr_threshold, exit_on_success=False):
gr.hier_block2.__init__(self,
"downlink_trigger_c",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0, 0, 0))
self.psr_threshold = self._ensure_safe_threshold(psr_threshold)
self.exit_on_success = exit_on_success
self.pss0 = ltetrigger.pss(N_id_2=0, psr_threshold=self.psr_threshold)
self.pss1 = ltetrigger.pss(N_id_2=1, psr_threshold=self.psr_threshold)
self.pss2 = ltetrigger.pss(N_id_2=2, psr_threshold=self.psr_threshold)
self.sss0 = ltetrigger.sss(N_id_2=0)
self.sss1 = ltetrigger.sss(N_id_2=1)
self.sss2 = ltetrigger.sss(N_id_2=2)
self.mib0 = ltetrigger.mib(exit_on_success=self.exit_on_success)
self.mib1 = ltetrigger.mib(exit_on_success=self.exit_on_success)
self.mib2 = ltetrigger.mib(exit_on_success=self.exit_on_success)
self.tag0 = blocks.tag_debug(gr.sizeof_gr_complex, "mib0")
self.tag1 = blocks.tag_debug(gr.sizeof_gr_complex, "mib1")
self.tag2 = blocks.tag_debug(gr.sizeof_gr_complex, "mib2")
self.tag0.set_display(False)
self.tag1.set_display(False)
self.tag2.set_display(False)
self.connect(self, self.pss0, self.sss0, self.mib0, self.tag0)
self.connect(self, self.pss1, self.sss1, self.mib1, self.tag1)
self.connect(self, self.pss2, self.sss2, self.mib2, self.tag2)
drop_port_id = "drop"
self.message_port_register_hier_in(drop_port_id)
self.message_port_register_hier_out(drop_port_id)
self.msg_connect(self.mib0, drop_port_id, self, drop_port_id)
self.msg_connect(self.mib1, drop_port_id, self, drop_port_id)
self.msg_connect(self.mib2, drop_port_id, self, drop_port_id)
track_port_id = "track"
self.message_port_register_hier_in(track_port_id)
self.message_port_register_hier_out(track_port_id)
self.msg_connect(self.mib0, track_port_id, self, track_port_id)
self.msg_connect(self.mib1, track_port_id, self, track_port_id)
self.msg_connect(self.mib2, track_port_id, self, track_port_id)
def test_000(self):
# Just run some data through and make sure it doesn't puke.
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
src = pdu.pdu_to_tagged_stream(gr.types.byte_t)
snk3 = pdu.tagged_stream_to_pdu(gr.types.byte_t)
snk2 = blocks.vector_sink_b()
snk = blocks.tag_debug(1, "test")
snk.set_display(False)
dbg = blocks.message_debug()
# Test that the right number of ports exist.
pi = snk3.message_ports_in()
po = snk3.message_ports_out()
# system port is defined automatically
self.assertEqual(pmt.length(pi), 1)
self.assertEqual(pmt.length(po), 1)
self.tb.connect(src, snk)
self.tb.connect(src, snk2)
self.tb.connect(src, snk3)
self.tb.msg_connect(snk3, "pdus", dbg, "store")
# make our reference and message pmts
port = pmt.intern("pdus")
msg = pmt.cons(pmt.PMT_NIL, pmt.make_u8vector(16, 0xFF))
# post the message
src.to_basic_block()._post(port, msg)
src.to_basic_block()._post(
pmt.intern("system"), pmt.cons(pmt.intern("done"),
pmt.from_long(1)))
self.tb.start()
self.tb.wait()
# Get the vector of data from the vector sink
result_data = snk2.data()
# Get the vector of data from the message sink
# Convert the message PMT as a pair into its vector
result_msg = dbg.get_message(0)
msg_vec = pmt.cdr(result_msg)
# pmt.print(msg_vec)
# Convert the PMT vector into a Python list
msg_data = []
for i in range(16):
msg_data.append(pmt.u8vector_ref(msg_vec, i))
actual_data = 16 * [
0xFF,
]
self.assertEqual(actual_data, list(result_data))
self.assertEqual(actual_data, msg_data)
def setUp(self):
self.tb = gr.top_block()
self.tb_null = gr.top_block()
self.usrp = uhd.usrp_source(device_addr="",
stream_args=uhd.stream_args("fc32"))
null = blocks.null_sink(gr.sizeof_gr_complex)
self.tb_null.connect(self.usrp, null)
self.tag_debug = blocks.tag_debug(gr.sizeof_gr_complex, "Tag debug")
self.tag_debug.set_display(False)
self.vsink = blocks.vector_sink_c()
def __init__(self):
gr.top_block.__init__(self, "Rx Ofdm")
##################################################
# Variables
##################################################
self.tx_gain = tx_gain = 60
self.samp_rate = samp_rate = 500e3
self.packet_len = packet_len = 60
self.len_tag_key = len_tag_key = "packet_len"
self.freq = freq = 2.4e9
self.fft_len = fft_len = 120
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("addr=192.168.10.2", "")),
uhd.stream_args(cpu_format="fc32", channels=range(1)),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(2.4e9, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna("RX2", 0)
self.uhd_usrp_source_0.set_auto_dc_offset(True, 0)
self.uhd_usrp_source_0.set_auto_iq_balance(True, 0)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=1, decimation=2, taps=None, fractional_bw=None)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len,
cp_len=32,
frame_length_tag_key="frame_" + len_tag_key,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False,
)
self.blocks_tag_debug_0_0 = blocks.tag_debug(gr.sizeof_char * 1, "",
"")
self.blocks_tag_debug_0_0.set_display(True)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1, "/home/GNURadio-Files/file_rx.txt", True)
self.blocks_file_sink_0.set_unbuffered(True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.digital_ofdm_rx_0, 0),
(self.blocks_tag_debug_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.digital_ofdm_rx_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.rational_resampler_xxx_0_0, 0))
def test_bb_skip_prefix(self):
pad = (0, ) * 64
src_data = (0, 1, 1, 1, 1, 0, 0, 1, 1) + pad + (0, ) * 7
src = blocks.vector_source_b(src_data)
op = digital.correlate_access_code_tag_bb("0011", 0, "sync")
dst = blocks.tag_debug(gr.sizeof_char, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, 9)
def test_001(self):
pad = (0,) * 64
src_data = (1, 0, 1, 1, 1, 1, 0, 1, 1) + pad + (0,) * 7
src = blocks.vector_source_b(src_data)
op = digital.correlate_access_code_tag_bb("1011", 0, "sync")
dst = blocks.tag_debug(1, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 2)
self.assertEqual(result_data[0].offset, 4)
self.assertEqual(result_data[1].offset, 9)
def test_ff_skip_prefix(self):
pad = (0, ) * 64
src_bits = (0, 1, 1, 1, 1, 0, 0, 1, 1) + pad + (0, ) * 7
src_data = [2.0 * x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff("0011", 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, 9)
def test_bb_immediate(self):
"""Test that packets at start of stream match"""
pad = (0, ) * 64
src_data = (0, 0, 1, 1) + pad + (0, ) * 7
src = blocks.vector_source_b(src_data)
op = digital.correlate_access_code_tag_bb("0011", 0, "sync")
dst = blocks.tag_debug(gr.sizeof_char, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, 4)
def test_000(self):
# Just run some data through and make sure it doesn't puke.
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
src = blocks.pdu_to_tagged_stream(blocks.byte_t)
snk3 = blocks.tagged_stream_to_pdu(blocks.byte_t)
snk2 = blocks.vector_sink_b()
snk = blocks.tag_debug(1, "test")
snk.set_display(False)
dbg = blocks.message_debug()
# Test that the right number of ports exist.
pi = snk3.message_ports_in()
po = snk3.message_ports_out()
self.assertEqual(pmt.length(pi), 0)
self.assertEqual(pmt.length(po), 1)
self.tb.connect(src, snk)
self.tb.connect(src, snk2)
self.tb.connect(src, snk3)
self.tb.msg_connect(snk3, "pdus", dbg, "store")
self.tb.start()
# make our reference and message pmts
port = pmt.intern("pdus")
msg = pmt.cons( pmt.PMT_NIL, pmt.make_u8vector(16, 0xFF))
# post the message
src.to_basic_block()._post(port, msg) # eww, what's that smell?
while dbg.num_messages() < 1:
time.sleep(0.1)
self.tb.stop()
self.tb.wait()
# Get the vector of data from the vector sink
result_data = snk2.data()
# Get the vector of data from the message sink
# Convert the message PMT as a pair into its vector
result_msg = dbg.get_message(0)
msg_vec = pmt.cdr(result_msg)
#pmt.print(msg_vec)
# Convert the PMT vector into a Python list
msg_data = []
for i in xrange(16):
msg_data.append(pmt.u8vector_ref(msg_vec, i))
actual_data = 16*[0xFF,]
self.assertEqual(actual_data, list(result_data))
self.assertEqual(actual_data, msg_data)
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter(pmt.PMT_NIL)
self.p2b = pdu_utils.pdu_to_bursts_c(
pdu_utils.EARLY_BURST_BEHAVIOR__APPEND, 64)
self.vs = blocks.vector_sink_c(1)
self.tag_debug = blocks.tag_debug(gr.sizeof_gr_complex * 1, '', "")
self.tag_debug.set_display(True)
self.tb.msg_connect((self.emitter, 'msg'), (self.p2b, 'bursts'))
self.tb.connect((self.p2b, 0), (self.vs, 0))
self.tb.connect((self.p2b, 0), (self.tag_debug, 0))
def test_001(self):
pad = (0, ) * 64
src_data = (1, 0, 1, 1, 1, 1, 0, 1, 1) + pad + (0, ) * 7
src = blocks.vector_source_b(src_data)
op = digital.correlate_access_code_tag_bb("1011", 0, "sync")
dst = blocks.tag_debug(1, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 2)
self.assertEqual(result_data[0].offset, 4)
self.assertEqual(result_data[1].offset, 9)
def test_003(self):
pad = (0,) * 64
src_bits = (1, 0, 1, 1, 1, 1, 0, 1, 1) + pad + (0,) * 7
src_data = [2.0*x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff("1011", 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 2)
self.assertEqual(result_data[0].offset, 4)
self.assertEqual(result_data[1].offset, 9)
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 2048000
self.parameters = parameters = dab_step.parameters.dab_parameters(
1, samp_rate)
self.modulated_prs = modulated_prs = dab_step.make_prs.modulate_prs(
samp_rate, True)
##################################################
# Blocks
##################################################
self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
'')
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(222064000 * 1 + 178352000 * 0, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(10, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna('', 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.dab_step_tune_timer_0 = dab_step.tune_timer()
self.dab_step_dab_sync_cpp_0 = dab_step.dab_sync_cpp(
samp_rate, parameters.fft_length, parameters.cp_length,
modulated_prs)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_gr_complex * 1,
'', "")
self.blocks_tag_debug_0.set_display(True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
##################################################
# Connections
##################################################
self.msg_connect((self.dab_step_tune_timer_0, 'command'),
(self.osmosdr_source_0, 'command'))
self.connect((self.dab_step_dab_sync_cpp_0, 0),
(self.blocks_tag_debug_0, 0))
self.connect((self.dab_step_dab_sync_cpp_0, 0),
(self.dab_step_tune_timer_0, 0))
self.connect((self.dab_step_tune_timer_0, 0),
(self.blocks_null_sink_0, 0))
self.connect((self.osmosdr_source_0, 0),
(self.dab_step_dab_sync_cpp_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 100
##################################################
# Blocks
##################################################
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_f(
self.GetWin(),
baseband_freq=0,
dynamic_range=140,
ref_level=-50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=-50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=True,
)
self.Add(self.wxgui_fftsink2_0.win)
self.mseed_seedlink_f_0 = mseed.seedlink_f("10.0.0.15", 18000, "FR_ILLK:HHZ")
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_float*1, "", ""); self.blocks_tag_debug_0.set_display(True)
##################################################
# Connections
##################################################
self.connect((self.mseed_seedlink_f_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.mseed_seedlink_f_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.mseed_seedlink_f_0, 0), (self.wxgui_waterfallsink2_0, 0))
def test_1(self):
'''
Very rough test to ensure that the block can be instantiated and
data can be run
'''
samp_rate = samp_rate = 32000
freq = freq = samp_rate / 10
##################################################
# Blocks
##################################################
block_buffer = sandia_utils.block_buffer(gr.sizeof_gr_complex, 10000,
samp_rate, True)
throttle = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate / 20,
True)
tag_debug = blocks.tag_debug(gr.sizeof_gr_complex * 1, '', "")
tag_debug.set_display(True)
probe_rate = blocks.probe_rate(gr.sizeof_gr_complex * 1, 500.0, 0.15)
message_debug = blocks.message_debug()
source = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, freq, .7,
0, 0)
##################################################
# Connections
##################################################
self.tb.msg_connect((probe_rate, 'rate'), (message_debug, 'store'))
self.tb.connect((source, 0), (block_buffer, 0))
self.tb.connect((throttle, 0), (probe_rate, 0))
self.tb.connect((throttle, 0), (tag_debug, 0))
self.tb.connect((block_buffer, 0), (throttle, 0))
# data
src_data = (1, 1, 2, 2, 3, 3)
expected_result = (1 + 1j, 2 + 2j, 3 + 3j)
# execute
self.tb.start()
# allow it to run 2 seconds
time.sleep(3)
# get number of messages
nmessages = message_debug.num_messages()
# should have gotten at least one message
self.assertTrue(nmessages > 0)
# clean up
self.tb.stop()
self.tb.wait()
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Joystick 101")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 48000
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.openavionics_joystick_interface_0 = openavionics.joystick_interface(
)
self.openavionics_audio_ptt_0 = openavionics.audio_ptt()
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_float * 1, "")
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_sig_source_x_0 = analog.sig_source_f(
samp_rate, analog.GR_COS_WAVE, 1000, 0.2, 0)
##################################################
# Connections
##################################################
self.connect((self.openavionics_audio_ptt_0, 0),
(self.blocks_tag_debug_0, 0))
self.connect((self.openavionics_audio_ptt_0, 0),
(self.wxgui_scopesink2_0, 0))
self.connect((self.openavionics_audio_ptt_0, 0),
(self.audio_sink_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.openavionics_audio_ptt_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.openavionics_joystick_interface_0, "out",
self.openavionics_audio_ptt_0, "in2")
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len")
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1,
"Pre-CRC", "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char * 1,
"Post-CRC", "")
self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, 100, "packet_len")
self.blocks_head_0 = blocks.head(gr.sizeof_char * 1, 100 * 5)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 255, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0),
(self.blocks_head_0, 0))
self.connect((self.blocks_head_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.digital_crc32_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0),
(self.blocks_tag_debug_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_tag_debug_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Polar Code")
Qt.QWidget.__init__(self)
self.setWindowTitle("Polar Code")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "polar_code")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.Kw = Kw = 70*8
self.samp_rate = samp_rate = 32000
self.packetlength = packetlength = "packet_len"
self.length_tag_key = length_tag_key = "packet_len"
self.id_user = id_user = 2
self.SNRw = SNRw = 3
self.SNRs = SNRs = 8
self.Nbfiles = Nbfiles = 20
self.NbStrgUsers = NbStrgUsers = 2
self.NbChuncks = NbChuncks = 100
self.N = N = 2048
self.Ks = Ks = 2*Kw
##################################################
# Blocks
##################################################
self.projectCACHE_polarEnc_b_0 = projectCACHE.polarEnc_b(N, Kw, Ks, SNRw, SNRs, Nbfiles, NbChuncks, NbStrgUsers, id_user, "packet_len")
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, 'TX', ""); self.blocks_tag_debug_0.set_display(True)
##################################################
# Connections
##################################################
self.connect((self.projectCACHE_polarEnc_b_0, 0), (self.blocks_tag_debug_0, 0))
def test_002(self):
code = tuple(string_to_1_0_list(default_access_code))
access_code = to_1_0_string(code)
pad = (0, ) * 64
#print code
#print access_code
src_data = code + (1, 0, 1, 1) + pad
src = blocks.vector_source_b(src_data)
op = digital.correlate_access_code_tag_bb(access_code, 0, "sync")
dst = blocks.tag_debug(gr.sizeof_char, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, len(code))
def test_002(self):
code = tuple(string_to_1_0_list(default_access_code))
access_code = to_1_0_string(code)
pad = (0,) * 64
#print code
#print access_code
src_data = code + (1, 0, 1, 1) + pad
src = blocks.vector_source_b(src_data)
op = digital.correlate_access_code_tag_bb(access_code, 0, "sync")
dst = blocks.tag_debug(gr.sizeof_char, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, len(code))
def __init__(self, snr_val, verbose=False):
gr.top_block.__init__(self, name="SNR estimation accuracy test")
zc_seq_len = 503 #199
sample_rate = 1e6
frame_duration = 2.0e-3
test_duration = 1.5 * frame_duration
samples_per_frame = int(round(frame_duration * sample_rate))
samples_per_test = int(round(test_duration * sample_rate))
n_samples_snr_estim = zc_seq_len #int(round(samples_per_frame/20))
random_samples_skip = np.random.randint(
samples_per_frame / 2) + samples_per_frame / 2
preamble_seq = zadoffchu.generate_sequence(zc_seq_len, 1, 0)
preamble_pwr_sum = np.sum(np.abs(preamble_seq)**2)
sigma_val = 1 / float(10.0**(snr_val / 20.0))
thres = 0.25
# if samples_per_test-random_samples_skip+2*preamble_seq.size+n_samples_snr_estim >= samples_per_test:
# print "The test duration is not long enough"
# exit()
self.framer = specmonitor.framer_c(sample_rate, frame_duration,
preamble_seq)
self.awgn = analog.noise_source_c(analog.GR_GAUSSIAN, sigma_val)
self.add = blocks.add_cc()
self.skiphead = blocks.skiphead(gr.sizeof_gr_complex,
random_samples_skip)
self.corr_est = specmonitor.corr_est_norm_cc(
preamble_seq, 1, 0,
thres) #digital.corr_est_cc(preamble_seq, 1, 0)
self.snr_est = specmonitor.framer_snr_est_cc(n_samples_snr_estim,
preamble_seq.size)
if verbose is True:
self.tag_db = blocks.tag_debug(gr.sizeof_gr_complex,
"tag debugger")
self.head = blocks.head(gr.sizeof_gr_complex, samples_per_test)
self.dst = blocks.vector_sink_c()
self.connect(self.framer, (self.add, 0))
self.connect(self.awgn, (self.add, 1))
self.connect(self.add, self.skiphead)
self.connect(self.skiphead, self.head)
self.connect(self.head, self.corr_est)
self.connect(self.corr_est, self.snr_est)
if verbose is True:
self.connect(self.snr_est, self.tag_db)
self.connect(self.snr_est, self.dst)
def __init__(self):
gr.top_block.__init__(self, name="Corr Norm")
sample_rate = 1e6
total_samples = 10000
preamble_seq = np.array([1, 1, -1, 1])
preamble_seq /= len(preamble_seq)
self.vector_source = blocks.vector_source_c(preamble_seq * 4, True)
self.head = blocks.head(gr.sizeof_gr_complex, total_samples)
self.corr_est = specmonitor.corr_est_norm_cc(preamble_seq, 1, 0)
self.tag_db = blocks.tag_debug(gr.sizeof_gr_complex, "tag debugger")
self.dst = blocks.vector_sink_c()
self.connect(self.vector_source, self.head)
self.connect(self.head, self.corr_est)
self.connect(self.corr_est, self.tag_db)
self.connect(self.corr_est, self.dst)
def test_001_instantiate(self):
self.tb = gr.top_block()
self.rate = 250000
self.interval = 173
self.duration = 9000
self.src = blocks.vector_source_c(list(range(self.duration)), False, 1,
[])
self.dut = timing_utils.system_time_tagger_c(7000)
self.tag_dbg = blocks.tag_debug(gr.sizeof_gr_complex * 1, '', "")
self.tb.connect((self.src, 0), (self.dut, 0))
self.tb.connect((self.dut, 0), (self.tag_dbg, 0))
# set up fg
self.tb.run()
time.sleep(0.05)
def test_roundtrip_offset_initial_capture(self):
"""Test that if the first capture segment has an offset, then
it gets correctly offset and output when roundtripped from a
source to a sink"""
# generate a file
data, meta_json, filename, meta_file = self.make_file("offset")
# drop the first 4 samples
adjust_size = 4
with open(meta_file, "r+") as f:
fdata = json.load(f)
fdata['captures'][0]["core:sample_start"] = adjust_size
fdata['captures'][0]["core:frequency"] = 2.4e9
f.seek(0)
json.dump(fdata, f, indent=4)
f.truncate()
data_start_size = os.path.getsize(filename)
out_data_file, out_json_file = self.temp_file_names()
file_source = sigmf.source(filename, "cf32_le")
file_sink = sigmf.sink("cf32_le", out_data_file)
tagd = blocks.tag_debug(gr.sizeof_gr_complex, "test")
tb = gr.top_block()
tb.connect(file_source, file_sink)
tb.connect(file_source, tagd)
tb.start()
tb.wait()
data_end_size = os.path.getsize(out_data_file)
# end data size should be smaller
dropped_samples = adjust_size * 2 * 4
self.assertEqual(data_start_size - dropped_samples,
data_end_size, "Wrong data size")
with open(out_json_file, "r") as f:
meta = json.load(f)
print(meta)
self.assertEqual(len(meta["annotations"]), 0,
"Shouldn't be any annotations in file")
self.assertEqual(len(meta["captures"]), 1,
"Should only be 1 capture segment in file")
self.assertEqual(
meta["captures"][0]["core:frequency"],
2.4e9, "frequency tag is missing")
def __init__(self, snr_val, cfo=0, sto=0, verbose=False):
gr.top_block.__init__(self, name="CFO estimation test")
zc_seq_len = 503 #199
sample_rate = 1e6
frame_duration = 2.0e-3
test_duration = 1.5 * frame_duration
sigma_val = 1 / float(10.0**(snr_val / 20.0))
thres = 0.25
samples_per_frame = int(round(frame_duration * sample_rate))
samples_per_test = int(round(test_duration * sample_rate))
n_samples_snr_estim = zc_seq_len
random_samples_skip = np.random.randint(
samples_per_frame / 2) + samples_per_frame / 2
preamble_seq = zadoffchu.generate_sequence(zc_seq_len, 1, 0)
preamble_pwr_sum = np.sum(np.abs(preamble_seq)**2)
self.framer = specmonitor.framer_c(sample_rate, frame_duration,
preamble_seq)
self.channel = channels.channel_model(sigma_val, cfo, sto, [1 + 1j])
self.skiphead = blocks.skiphead(gr.sizeof_gr_complex,
random_samples_skip)
self.corr_est = specmonitor.corr_est_norm_cc(
preamble_seq, 1, 0,
thres) #digital.corr_est_cc(preamble_seq, 1, 0)
self.snr_est = specmonitor.framer_snr_est_cc(n_samples_snr_estim,
preamble_seq.size)
if verbose is True:
self.tag_db = blocks.tag_debug(gr.sizeof_gr_complex,
"tag debugger")
self.head = blocks.head(gr.sizeof_gr_complex, samples_per_test)
self.dst = blocks.vector_sink_c()
self.dst2 = blocks.vector_sink_c()
self.connect(self.framer, self.channel)
self.connect(self.channel, self.skiphead)
# self.connect(self.framer,self.skiphead)
self.connect(self.skiphead, self.head)
self.connect(self.head, self.corr_est)
self.connect(self.corr_est, self.snr_est)
self.connect((self.corr_est, 1), self.dst2)
if verbose is True:
self.connect(self.snr_est, self.tag_db)
self.connect(self.snr_est, self.dst)
def test_004_onlyusrp (self):
self.tb = gr.top_block ()
self.rate = 250000
self.interval = 0
self.duration = 4532
self.src = blocks.vector_source_c(list(range(self.duration)), False, 1, [])
self.utag = timing_utils.add_usrp_tags_c(1090e6, self.rate, 0, .98765)
self.tags = timing_utils.tag_uhd_offset_c(self.rate, self.interval)
self.tag_dbg = blocks.tag_debug(gr.sizeof_gr_complex*1, "", "");
self.tag_dbg.set_display(False)
self.tb.connect((self.src, 0), (self.utag, 0))
self.tb.connect((self.utag, 0), (self.tags, 0))
self.tb.connect((self.tags, 0), (self.tag_dbg, 0))
e_n_tags = 4
self.tb.run ()
self.assertEqual(self.tag_dbg.num_tags(), e_n_tags)
self.tb = None
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Joystick 101") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 48000 ################################################## # Blocks ################################################## self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.openavionics_joystick_interface_0 = openavionics.joystick_interface() self.openavionics_audio_ptt_0 = openavionics.audio_ptt() self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_float*1, "") self.audio_sink_0 = audio.sink(48000, "", True) self.analog_sig_source_x_0 = analog.sig_source_f(samp_rate, analog.GR_COS_WAVE, 1000, 0.2, 0) ################################################## # Connections ################################################## self.connect((self.openavionics_audio_ptt_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.openavionics_audio_ptt_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.openavionics_audio_ptt_0, 0), (self.audio_sink_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.openavionics_audio_ptt_0, 0)) ################################################## # Asynch Message Connections ################################################## self.msg_connect(self.openavionics_joystick_interface_0, "out", self.openavionics_audio_ptt_0, "in2")
def test_002_t(self):
# set up fg
sample_rate = 1e6
frame_duration = 1.0e-3
test_duration = 2 * frame_duration
snr = 100
zc_seq_len = 71
samples_per_frame = int(round(frame_duration * sample_rate))
samples_per_test = int(round(test_duration * sample_rate))
n_samples_snr_estim = zc_seq_len #samples_per_frame/20
random_samples_skip = 0 #np.random.randint(samples_per_frame)
preamble_seq = zadoffchu.generate_sequence(zc_seq_len, 1, 0)
preamble_pwr_sum = np.sum(np.abs(preamble_seq)**2)
print "***** Start test 002 *****"
framer = specmonitor.framer_c(sample_rate, frame_duration,
preamble_seq)
awgn = analog.noise_source_c(analog.GR_GAUSSIAN, 1.0 / snr)
add = blocks.add_cc()
corr_est = specmonitor.corr_est_norm_cc(
preamble_seq, 1, 0) #digital.corr_est_cc(preamble_seq, 1, 0)
snr_est = specmonitor.framer_snr_est_cc(n_samples_snr_estim,
preamble_seq.size)
tag_db = blocks.tag_debug(gr.sizeof_gr_complex, "tag debugger")
head = blocks.head(gr.sizeof_gr_complex, samples_per_test)
dst = blocks.vector_sink_c()
self.tb.connect(framer, (add, 0))
self.tb.connect(awgn, (add, 1))
self.tb.connect(add, corr_est)
self.tb.connect(corr_est, snr_est)
self.tb.connect(snr_est, tag_db)
self.tb.connect(snr_est, head)
self.tb.connect(head, dst)
self.tb.run()
x_data = dst.data()
print "The final SNR is: ", snr_est.SNRdB()
plt.plot(10 * np.log10(np.abs(x_data)**2))
plt.show()
def test_rx_time_pad_left(self):
# data
src_data = (0, ) * 8 * 100
offsets = [16]
for step in range(17, 24):
offsets.append(offsets[-1] + step)
print("offsets = {}".format(offsets))
# generate tag list
rx_time = pmt.make_tuple(pmt.from_uint64(1), pmt.from_double(.234))
time_tag = gr.tag_utils.python_to_tag(
[1, pmt.intern("rx_time"), rx_time,
pmt.intern("time_stamper")])
tags = [time_tag]
for offset in offsets:
tags.append(
gr.tag_utils.python_to_tag([
offset,
pmt.intern("BURST"),
pmt.from_uint64(0),
pmt.intern("test_simple_source")
]))
expected_result = (0x0, ) * 5
# blocks
src = blocks.vector_source_b(src_data, False, 1, tags)
tbb = sandia_utils.tagged_bits_to_bytes("BURST", False, 2, 1)
dst = blocks.vector_sink_b()
tag_dbg = blocks.tag_debug(gr.sizeof_char * 1, '', "")
tag_dbg.set_display(True)
self.tb.connect(src, tbb)
self.tb.connect(tbb, tag_dbg)
self.tb.connect(tbb, dst)
# execute
self.tb.run()
result_data = dst.data()
# assert - should get both a BURST and burst_time tag at offsets = [2,5,8,11,14,17,20,23]
print("test rx_time got {}, expected {}".format(
result_data, expected_result))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="tun_source Test")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Blocks
##################################################
self.orcatun_tun_source_b_0 = orcatun.tun_source_b("tun3", "packet_len", True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, "packet_len")
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "tun_source_debug", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_message_debug_0 = blocks.message_debug()
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.blocks_message_debug_0, 'print_pdu'))
self.connect((self.orcatun_tun_source_b_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.orcatun_tun_source_b_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
def test_002_update(self):
start_time = 0.1
self.duration = 125000
self.src = blocks.vector_source_c(range(self.duration), False, 1, [])
self.throttle = blocks.throttle(gr.sizeof_gr_complex * 1, 250000)
self.utag = timing_utils.add_usrp_tags_c(1090e6, 250000, 0, start_time)
self.tag_dbg = blocks.tag_debug(gr.sizeof_gr_complex * 1, '', "")
self.tb.connect((self.src, 0), (self.throttle, 0))
self.tb.connect((self.throttle, 0), (self.utag, 0))
self.tb.connect((self.utag, 0), (self.tag_dbg, 0))
self.tb.start()
time.sleep(.01)
self.utag.update_tags(
self.makeDict(freq=1091e6,
rate=260000,
epoch_int=0,
epoch_frac=start_time + .3))
time.sleep(.1)
self.tb.stop()
def test_001(self):
src_data = ( 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
trg_data = (-1, -1, 1, 1, -1, -1, 1, 1, -1, -1)
src = blocks.vector_source_i(src_data)
trg = blocks.vector_source_s(trg_data)
op = blocks.burst_tagger(gr.sizeof_int)
snk = blocks.tag_debug(gr.sizeof_int, "burst tagger QA")
self.tb.connect(src, (op,0))
self.tb.connect(trg, (op,1))
self.tb.connect(op, snk)
self.tb.run()
x = snk.current_tags()
self.assertEqual(2, x[0].offset)
self.assertEqual(4, x[1].offset)
self.assertEqual(6, x[2].offset)
self.assertEqual(8, x[3].offset)
self.assertEqual(True, pmt.to_bool(x[0].value))
self.assertEqual(False, pmt.to_bool(x[1].value))
self.assertEqual(True, pmt.to_bool(x[2].value))
self.assertEqual(False, pmt.to_bool(x[3].value))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.tagutils_tag_at_offset_xx_0 = tagutils.tag_at_offset_ff("test_tag", [0,8675,8940,100000], 35, False)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_float*1, "", ""); self.blocks_tag_debug_0.set_display(True)
self.analog_sig_source_x_0 = analog.sig_source_f(samp_rate, analog.GR_COS_WAVE, 1000, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.tagutils_tag_at_offset_xx_0, 0))
self.connect((self.tagutils_tag_at_offset_xx_0, 0), (self.blocks_tag_debug_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "top_block")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.down_sampling = down_sampling = 16
self.sample_rate = sample_rate = 250e3*down_sampling
self.preamble_len_tag = preamble_len_tag = gr.tag_utils.python_to_tag((0, pmt.intern("packet_len"), pmt.from_long(8), pmt.intern("src")))
self.f1_bp_taps = f1_bp_taps = [-0.008489873260259628, 0.017516516149044037, -0.02309376560151577, 3.1378305752533504e-17, 0.06292477995157242, -0.12457011640071869, 0.1126808300614357, -3.387264241990756e-17, -0.14707811176776886, 0.21481703221797943, -0.14707811176776886, -3.387264241990756e-17, 0.1126808300614357, -0.12457011640071869, 0.06292477995157242, 3.1378305752533504e-17, -0.02309376560151577, 0.017516516149044037, -0.008489873260259628]
self.f0_bp_taps = f0_bp_taps = [0.008489873260259628, 0.017516516149044037, 0.02309376560151577, -1.1766864243609758e-17, -0.06292477995157242, -0.12457011640071869, -0.1126808300614357, 3.387264241990756e-17, 0.14707811176776886, 0.21481703221797943, 0.14707811176776886, 3.387264241990756e-17, -0.1126808300614357, -0.12457011640071869, -0.06292477995157242, -1.1766864243609758e-17, 0.02309376560151577, 0.017516516149044037, 0.008489873260259628]
##################################################
# Blocks
##################################################
self.rad1o_id_compare_select_fb_0 = rad1o_id.compare_select_fb()
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
sample_rate/down_sampling, #samp_rate
"", #name
2 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2*2):
if len(labels[i]) == 0:
if(i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_number_sink_0 = qtgui.number_sink(
gr.sizeof_char,
0,
qtgui.NUM_GRAPH_HORIZ,
1
)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("")
labels = ["", "", "", "", "",
"", "", "", "", ""]
units = ["", "", "", "", "",
"", "", "", "", ""]
colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")]
factor = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, -1)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
sample_rate/down_sampling, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if complex == type(float()):
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.fir_filter_xxx_1_0 = filter.fir_filter_fff(down_sampling/2, (1, ))
self.fir_filter_xxx_1_0.declare_sample_delay(0)
self.fir_filter_xxx_1 = filter.fir_filter_fff(down_sampling/2, (1, ))
self.fir_filter_xxx_1.declare_sample_delay(0)
self.fir_filter_xxx_0_0 = filter.fir_filter_ccc(down_sampling/2, (f1_bp_taps))
self.fir_filter_xxx_0_0.declare_sample_delay(0)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(down_sampling/2, (f0_bp_taps))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bf(([0.5, 1.5]), 1)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=100e-2,
frequency_offset=1e-4,
epsilon=1.0,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=True
)
self.blocks_vector_source_x_1 = blocks.vector_source_b((0,0), True, 1, [])
self.blocks_vector_source_x_0 = blocks.vector_source_b([0,0], True, 1, [preamble_len_tag])
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_char*1, "packet_len", 0)
self.blocks_tagged_stream_align_1 = blocks.tagged_stream_align(gr.sizeof_char*1, "packet_len")
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "packet_length", ""); self.blocks_tag_debug_0.set_display(False)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 64, "packet_len")
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_char*1, 16)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.7, ))
self.blocks_complex_to_mag_squared_0_0 = blocks.complex_to_mag_squared(1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(2*pi/4)
##################################################
# Connections
##################################################
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.fir_filter_xxx_1, 0))
self.connect((self.blocks_complex_to_mag_squared_0_0, 0), (self.fir_filter_xxx_1_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.fir_filter_xxx_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.blocks_repeat_0, 0))
self.connect((self.blocks_repeat_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.blocks_tagged_stream_align_1, 0), (self.blocks_tagged_stream_mux_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_tagged_stream_align_1, 0))
self.connect((self.blocks_vector_source_x_1, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0), (self.blocks_complex_to_mag_squared_0_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0), (self.qtgui_time_sink_x_0, 1))
self.connect((self.fir_filter_xxx_1, 0), (self.rad1o_id_compare_select_fb_0, 0))
self.connect((self.fir_filter_xxx_1_0, 0), (self.rad1o_id_compare_select_fb_0, 1))
self.connect((self.rad1o_id_compare_select_fb_0, 0), (self.qtgui_number_sink_0, 0))
def __init__(self, seed, samp_rate, noise_amp, modulation, delay, samples_to_receive, freq, rx_id):
gr.hier_block2.__init__(self, "ModulatorBlock",
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
# Timing tag: This is preserved and updated:
timing_tag = gr.tag_t()
timing_tag.offset = 0
timing_tag.key = pmt.string_to_symbol('rx_time')
timing_tag.value = pmt.to_pmt((float(seed), 0.6))
timing_tag.srcid = pmt.string_to_symbol(str('gr uhd usrp source1'))
# Rx freq tags:
#print "In source emulation (before tag)"
#print freq
rx_freq_tag = gr.tag_t()
rx_freq_tag.offset = 0
rx_freq_tag.key = pmt.string_to_symbol('rx_freq')
rx_freq_tag.value = pmt.from_double(freq)
rx_freq_tag.srcid = pmt.string_to_symbol(str('gr uhd usrp source1'))
# Samp_rate tags:
rx_rate_tag = gr.tag_t()
rx_rate_tag.offset = 0
rx_rate_tag.key = pmt.string_to_symbol('rx_rate')
rx_rate_tag.value = pmt.from_double(samp_rate)
rx_rate_tag.srcid = pmt.string_to_symbol(str('gr uhd usrp source1'))
add = blocks.add_vcc(1, )
tag_debug = blocks.tag_debug(gr.sizeof_gr_complex*1, "", "")
tag_debug.set_display(True)
#if modulation == "bpsk":
# mod = digital.psk.psk_mod(
# constellation_points=2,
# mod_code="none",
# differential=True,
# samples_per_symbol=2,
# excess_bw=0.1,
# verbose=False,
# log=False,
# )
#else:
# mod = grc_blks2.packet_mod_b(digital.ofdm_mod(
# options=grc_blks2.options(
# modulation="qpsk",
# fft_length=4096,
# occupied_tones=200,
# cp_length=0,
# pad_for_usrp=False,
# log=None,
# verbose=None,
# ),
# ),
# payload_length=0,
# )
#print "in source emulation(after_tag)"
#print pmt.to_double(rx_freq_tag.value)
pulse_width = 4
np.random.seed(seed=seed)
tx_vector = np.reshape(np.matlib.repmat(np.random.randint(0,2,(5*samples_to_receive)/pulse_width)*2-1,pulse_width,1).T,[1,5*samples_to_receive])[0].tolist()
# delay signal vector -> insert zeros at beginnig; nothing happens if signal has not reached the receiver:
tx_vector_delayed = np.hstack((np.zeros(delay),tx_vector))
#tx_vector_delayed = tx_vector_delayed[:600]
self.vector_source = blocks.vector_source_c(tx_vector_delayed, False, 1, (timing_tag, rx_freq_tag, rx_rate_tag))
#clip first 600 samples
self.head = blocks.head(gr.sizeof_gr_complex*1, samples_to_receive + 300)
# skiphead= blocks.skiphead(gr.sizeof_gr_complex*1,delay)
throttle = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
noise = analog.noise_source_c(analog.GR_GAUSSIAN, noise_amp, -seed)
# connects
#self.connect(vector_source, mod, (add,0))
self.connect(self.vector_source, (add,0))
self.connect(noise, (add,1))
self.connect(add, throttle, self.head, self)
self.connect(add, tag_debug)
'''
def __init__(self, options):
grc_wxgui.top_block_gui.__init__(self, title="DSSDR")
self.initialized = False
self.stopped = False
self.options = copy.copy(options)
self._constellation = digital.constellation_bpsk()
self._excess_bw = options.excess_bw
self._phase_bw = options.phase_bw
self._freq_bw = options.freq_bw
self._timing_bw = options.timing_bw
self._if_freq = options.if_freq
self._timing_max_dev= 1.5
self._demod_class = digital.bpsk_demod # the demodulator_class we're using
self._chbw_factor = options.chbw_factor # channel filter bandwidth factor
self._samples_per_second = 2e6
self._nav_samples_per_second = 16e6
self._down_decim = 1
self._down_samples_per_second = self._scope_sample_rate = self._samples_per_second/self._down_decim
self._up_samples_per_second = 1e6
self._asm_threshold = 0
self._access_code = None
self._tm_packet_id = 4
self._timestamp_id = 5
self._down_bitrate = options.bitrate
self._up_bitrate = options.up_bitrate
self._up_samples_per_symbol = self._up_samples_per_second/self._up_bitrate
self._samples_per_symbol = self._samples_per_second/self._down_decim/self._down_bitrate
self._down_sub_freq = options.down_sub_freq
self._up_sub_freq = 25e3
self._tm_len = 8920
self._up_tm_len = 8920
self._coding_method = options.coding_method
self._up_coding_method = 'None'
self._up_subcarrier = 'Square'
self._rs_i = 1
self._ccsds_channel = 38
self._uhd_carrier_offset = 10e3
self._turn_div = 749
self._turn_mult = 880
self._modulation_index = 'pi/3'
self._up_modulation_index = 1.047
self._max_carrier_offset = 0.1
self._dssdr_mixer_freq = options.rf_freq
self._up_coding_rate = '1'
self._down_coding_rate = '1'
self._down_conv_en = "False"
self._down_randomizer_en = options.down_randomizer_en
self._down_manchester_en = options.down_manchester_en
self._up_conv_en = "False"
self._up_idle_sequence = "\\x55"
self._down_default_gain = 64
self._up_default_gain = 44
self._up_en = True
if self._access_code is None:
self._access_code = packet_utils.default_access_code
#Construct the lookup table for parameter-setting functions
self.param_setters = {
"DSSDR_CHANNEL": self.setChannel,
"DSSDR_LO_FREQ": self.setLOFreq,
"DSSDR_REF_FREQ": self.setRefFreq,
"DSSDR_TURN_MULT": self.setTurnMult,
"DSSDR_TURN_DIV": self.setTurnDiv,
"DSSDR_UP_GAIN": self.setUpGain,
"DSSDR_DOWN_GAIN": self.setDownGain,
"DSSDR_UP_BITRATE": self.setUpBitrate,
"DSSDR_DOWN_BITRATE": self.setDownBitrate,
"DSSDR_DOWN_SAMPLE_RATE": self.setSampRate,
"DSSDR_UP_SUB_FREQ": self.setUpSubFreq,
"DSSDR_DOWN_SUB_FREQ": self.setDownSubFreq,
"DSSDR_DOPPLER_REPORT": self.dopplerReport,
"DSSDR_PN_RANGE": self.rangePN,
"DSSDR_SEQUENTIAL_RANGE": self.rangeSequential,
"DSSDR_DOWN_CODING_METHOD": self.setDownCodingMethod,
"DSSDR_UP_CODING_METHOD": self.setUpCodingMethod,
"DSSDR_DOWN_TM_LEN": self.setTMLen,
"DSSDR_UP_TM_LEN": self.setUpTMLen,
"DSSDR_DOWN_MOD_IDX": self.setDownModulationIndex,
"DSSDR_UP_MOD_IDX": self.setUpModulationIndex,
"DSSDR_DOWN_CONV_EN": self.setDownConvEn,
"DSSDR_UP_CONV_EN": self.setUpConvEn,
"DSSDR_ASM_TOL": self.setASMThreshold,
"DSSDR_UP_SWEEP": self.freqSweep,
"DSSDR_UP_IDLE": self.setUpIdleSequence,
"DSSDR_UP_EN": self.setUpEn,
"DSSDR_SYNC_TIME": self.syncSDRTime,
"DSSDR_UP_SWEEP": self.freqSweep,
"DSSDR_DOWN_ACQUIRE": self.acquireCarrier,
"DSSDR_INPUT_SELECT": self.setPanelSelect,
"DSSDR_REF_SELECT": self.setRefSelect,
"DSSDR_PPS_SELECT": self.setPPSSelect
}
#TODO:Add status fields for things like DSSDR_REF_LOCK
self._dssdr_channels = {
3: [7149597994, 8400061729],
4: [7150753857, 8401419752],
5: [7151909723, 8402777779],
6: [7153065586, 8404135802],
7: [7154221449, 8405493825],
8: [7155377316, 8406851853],
9: [7156533179, 8408209877],
10: [7157689045, 8409567903],
11: [7158844908, 8410925927],
12: [7160000771, 8412283950],
13: [7161156637, 8413641977],
14: [7162312500, 8415000000],
15: [7163468363, 8416358023],
16: [7164624229, 8417716050],
17: [7165780092, 8419074073],
18: [7166935955, 8420432097],
19: [7168091821, 8421790123],
20: [7169247684, 8423148147],
21: [7170403551, 8424506175],
22: [7171559414, 8425864198],
23: [7172715277, 8427222221],
24: [7173871143, 8428580248],
25: [7175027006, 8429938271],
26: [7176182869, 8431296295],
27: [7177338735, 8432654321],
28: [7178494598, 8434012345],
29: [7179650464, 8435370372],
30: [7180806327, 8436728395],
31: [7181962190, 8438086418],
32: [7183118057, 8439444446],
33: [7184273920, 8440802469],
34: [7185429783, 8442160493],
35: [7186585649, 8443518520],
36: [7187741512, 8444876543],
37: [7188897378, 8446234570],
38: [7190000000, 8450000000],
}
#FLOWGRAPH STUFF
if options.test == True:
self.u = blks2.tcp_source(
itemsize=gr.sizeof_gr_complex*1,
addr="",
port=12905,
server=True
)
elif options.fromfile == True:
self.u2 = blocks.file_meta_source("iq_in.dat")
self.u = blocks.throttle(gr.sizeof_gr_complex*1, self._samples_per_second)
elif options.frombitlog == True:
self.u3 = blocks.file_source(gr.sizeof_char, "bitstream_recording.in", True)
self.u2 = blocks.uchar_to_float()
self.u1 = blocks.throttle(gr.sizeof_float*1, self._down_bitrate)
self.u = blocks.add_const_ff(-0.5)
else:
self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32'))
self.u.set_clock_source("external")
self.u.set_time_source("external")
self.u.set_samp_rate(self._samples_per_second)
self.u.set_antenna("RX2")
self.u.set_gain(self._down_default_gain)
self.frontend = dfi.dssdrFrontendInterface(self.u)
if options.debug_pps == True:
self.debug_pps = blocks.tag_debug(gr.sizeof_gr_complex, "debug-pps", "rx_time")
if options.tofile == True:
self.u_tx = blocks.file_meta_sink(gr.sizeof_gr_complex, "iq_out.dat", self._up_samples_per_second)
elif options.tonull == True:
self.u_tx = blocks.null_sink(gr.sizeof_gr_complex)
else:
self.u_tx = uhd.usrp_sink(device_addr=options.args, stream_args=uhd.stream_args('fc32'))
self.u_tx.set_clock_source("external")
self.u_tx.set_time_source("external")
self.u_tx.set_samp_rate(self._up_samples_per_second)
self.u_tx.set_antenna("TX/RX")
self.u_tx.set_gain(self._up_default_gain)
#GUI STUFF
if options.graphics == True:
self.nb0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "RX")
self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "TX")
self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "Nav")
self.Add(self.nb0)
self.constellation_scope = scopesink2.scope_sink_c(
self.nb0.GetPage(0).GetWin(),
title="Scope Plot",
sample_rate=self._scope_sample_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb0.GetPage(0).Add(self.constellation_scope.win)
#self.constellation_scope.win.set_marker('plus')
self._scope_is_fft = False
self.time_scope = scopesink2.scope_sink_f(
self.nb0.GetPage(0).GetWin(),
title="Scope Plot",
sample_rate=self._scope_sample_rate,
v_scale=0,
v_offset=0,
t_scale=.005,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb0.GetPage(0).Add(self.time_scope.win)
self.nb0.GetPage(0).GetWin()._box.Hide(self.time_scope.win)
self.fft_scope = fftsink2.fft_sink_c(
self.nb0.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=self._scope_sample_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.nb0.GetPage(0).Add(self.fft_scope.win)
self.nb0.GetPage(0).GetWin()._box.Hide(self.fft_scope.win)
self.row1_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.recording_onoff_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value='Off',
callback=self.setRecording,
label="IQ Recording",
choices=['Off','On'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.front_panel_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value='RF',
callback=self.setPanelSelect,
label="Input Select",
choices=['RF','IF'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.ref_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value='Internal',
callback=self.setRefSelect,
label="Ref Select",
choices=['Internal','External'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.pps_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value='Internal',
callback=self.setPPSSelect,
label="PPS Select",
choices=['Internal','External'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.sync_button = forms.button(
parent=self.nb0.GetPage(0).GetWin(),
value='Sync to PPS',
callback=self.syncSDRTime,
choices=['Sync to PPS'],
style=wx.RA_HORIZONTAL,
)
self.ref_locked_text = forms.static_text(
parent=self.nb0.GetPage(0).GetWin(),
value="",
callback=self.setRefLocked,
label="",
converter=forms.str_converter(),
)
self.row1_sizer.Add(self.recording_onoff_chooser, flag=wx.ALIGN_CENTER)
self.row1_sizer.Add(self.front_panel_chooser, flag=wx.ALIGN_CENTER)
self.row1_sizer.Add(self.ref_chooser, flag=wx.ALIGN_CENTER)
self.row1_sizer.Add(self.pps_chooser, flag=wx.ALIGN_CENTER)
self.row1_sizer.Add(self.sync_button, flag=wx.ALIGN_CENTER)
self.row1_sizer.Add(self.ref_locked_text, flag=wx.ALIGN_CENTER)
self.nb0.GetPage(0).Add(self.row1_sizer)
self.complex_scope_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value='Constellation',
callback=self.setComplexScopeStyle,
label="Complex Scope",
choices=['Constellation','FFT'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.nb0.GetPage(0).Add(self.complex_scope_chooser)
self.scope_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value='USRP',
callback=self.setScopePoint,
label="Scope Probe Point",
choices=['USRP','Carrier Tracking','Sub-Carrier Costas','Sub-Carrier Sync','Data Sync'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.nb0.GetPage(0).Add(self.scope_chooser)
self._bitrate_text_box = forms.text_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._down_bitrate,
callback=self.setDownBitrate,
label="Symbol Rate",
converter=forms.float_converter(),
)
self.nb0.GetPage(0).Add(self._bitrate_text_box)
self._samprate_text_box = forms.text_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._samples_per_second,
callback=self.setSampRate,
label="Sampling Rate",
converter=forms.float_converter(),
)
self.nb0.GetPage(0).Add(self._samprate_text_box)
self._subcfreq_text_box = forms.text_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._down_sub_freq,
callback=self.setDownSubFreq,
label="Downlink Subcarrier Frequency",
converter=forms.float_converter(),
)
self.nb0.GetPage(0).Add(self._subcfreq_text_box)
self._mod_index_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value=self._modulation_index,
callback=self.setDownModulationIndex,
label="Modulation Index",
choices=['pi/2', 'pi/3'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.nb0.GetPage(0).Add(self._mod_index_chooser)
self._pktlen_text_box = forms.text_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._tm_len,
callback=self.setTMLen,
label="Downlink Packet Length (bits)",
converter=forms.float_converter(),
)
self.nb0.GetPage(0).Add(self._pktlen_text_box)
self._coding_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value=self._coding_method,
callback=self.setDownCodingMethod,
label="Coding",
choices=['None', 'RS', 'Turbo 1/2', 'Turbo 1/3', 'Turbo 1/4', 'Turbo 1/6'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.nb0.GetPage(0).Add(self._coding_chooser)
self._down_conv_check_box = forms.check_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._down_conv_en,
callback=self.setDownConvEn,
label="Convolutional Decode",
true="True",
false="False",
)
self.nb0.GetPage(0).Add(self._down_conv_check_box)
self._down_randomizer_check_box = forms.check_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._down_randomizer_en,
callback=self.setDownRandomizerEn,
label="De-randomizer",
true=True,
false=False,
)
self.nb0.GetPage(0).Add(self._down_randomizer_check_box)
self._down_manchester_check_box = forms.check_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._down_manchester_en,
callback=self.setDownManchesterEn,
label="Manchester Decode",
true=True,
false=False,
)
self.nb0.GetPage(0).Add(self._down_manchester_check_box)
self._pktlen_text_box = forms.text_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._asm_threshold,
callback=self.setASMThreshold,
label="ASM Error Tolerance (bits)",
converter=forms.float_converter(),
)
self.nb0.GetPage(0).Add(self._pktlen_text_box)
self._coding_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(0).GetWin(),
value=self._rs_i,
callback=self.setRSI,
label="Reed-Solomon Interleaving Depth",
choices=[1,5],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.nb0.GetPage(0).Add(self._coding_chooser)
self._ccsds_chan_text_box = forms.text_box(
parent=self.nb0.GetPage(0).GetWin(),
value=self._ccsds_channel,
callback=self.setChannel,
label="CCSDS Channel",
converter=forms.int_converter(),
)
self.nb0.GetPage(0).Add(self._ccsds_chan_text_box)
self.setChannel(self._ccsds_channel)
if options.test == True or options.fromfile == True or options.frombitlog == True:
glow = 0.0
ghigh = 1.0
cur_g = 0.5
else:
g = self.u.get_gain_range()
cur_g = self._down_default_gain
# some configurations don't have gain control
if g.stop() <= g.start():
glow = 0.0
ghigh = 1.0
else:
glow = g.start()
ghigh = g.stop()
self._uhd_gain_slider = wx.BoxSizer(wx.HORIZONTAL)
form.slider_field(
parent=self.nb0.GetPage(0).GetWin(),
sizer=self._uhd_gain_slider,
label="USRP RX Gain",
weight=3,
min=int(glow),
max=int(ghigh),
value=cur_g,
callback=self.setDownGain
)
self.nb0.GetPage(0).Add(self._uhd_gain_slider)
#TX chain GUI components
if options.test == True or options.tofile == True or options.tonull == True:
gtxlow = 0.0
gtxhigh = 1.0
cur_gtx = 0.5
else:
gtx = self.u_tx.get_gain_range()
cur_gtx = self._up_default_gain
# some configurations don't have gain control
if gtx.stop() <= gtx.start():
gtxlow = 0.0
gtxhigh = 1.0
else:
gtxlow = gtx.start()
gtxhigh = gtx.stop()
self._up_en_chooser = forms.check_box(
parent=self.nb0.GetPage(1).GetWin(),
value='True',
callback=self.setUpEn,
label="TX Enable",
true='True',
false='False',
)
self.nb0.GetPage(1).Add(self._up_en_chooser)
self._uhd_tx_gain_slider = wx.BoxSizer(wx.HORIZONTAL)
form.slider_field(
parent=self.nb0.GetPage(1).GetWin(),
sizer=self._uhd_tx_gain_slider,
label="USRP TX Gain",
weight=3,
min=int(gtxlow),
max=int(gtxhigh),
value=cur_gtx,
callback=self.setUpGain
)
self.nb0.GetPage(1).Add(self._uhd_tx_gain_slider)
self._subcfreq_up_text_box = forms.text_box(
parent=self.nb0.GetPage(1).GetWin(),
value=self._up_sub_freq,
callback=self.setUpSubFreq,
label="Uplink Subcarrier Frequency",
converter=forms.float_converter(),
)
self.nb0.GetPage(1).Add(self._subcfreq_up_text_box)
self._up_bitrate_text_box = forms.text_box(
parent=self.nb0.GetPage(1).GetWin(),
value=self._up_bitrate,
callback=self.setUpBitrate,
label="Uplink Bitrate",
converter=forms.float_converter(),
)
self.nb0.GetPage(1).Add(self._up_bitrate_text_box)
self._up_data_text_box = forms.text_box(
parent=self.nb0.GetPage(1).GetWin(),
value="1234ABCD",
callback=self.txData,
label="TX Data",
converter=forms.str_converter(),
)
self.nb0.GetPage(1).Add(self._up_data_text_box)
self._up_mod_index_chooser = forms.text_box(
parent=self.nb0.GetPage(1).GetWin(),
value=self._up_modulation_index,
callback=self.setUpModulationIndex,
label="Uplink Modulation Index",
converter=forms.float_converter(),
)
self.nb0.GetPage(1).Add(self._up_mod_index_chooser)
self._up_coding_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(1).GetWin(),
value=self._up_coding_method,
callback=self.setUpCodingMethod,
label="Coding",
choices=['None', 'RS'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.nb0.GetPage(1).Add(self._up_coding_chooser)
self._subcarrier_chooser = forms.radio_buttons(
parent=self.nb0.GetPage(1).GetWin(),
value=self._up_subcarrier,
callback=self.setUpSubcarrier,
label="Subcarrier Type",
choices=['Square','Sine'],
labels=[],
style=wx.RA_HORIZONTAL,
)
self.nb0.GetPage(1).Add(self._subcarrier_chooser)
self._up_conv_check_box = forms.check_box(
parent=self.nb0.GetPage(1).GetWin(),
value=self._up_conv_en,
callback=self.setUpConvEn,
label="Convolutional Encode",
true="True",
false="False",
)
self.nb0.GetPage(1).Add(self._up_conv_check_box)
self._up_pktlen_text_box = forms.text_box(
parent=self.nb0.GetPage(1).GetWin(),
value=self._up_tm_len,
callback=self.setUpTMLen,
label="Uplink Packet Length (bits)",
converter=forms.float_converter(),
)
self.nb0.GetPage(1).Add(self._up_pktlen_text_box)
self._uhd_offset_text_box = forms.text_box(
parent=self.nb0.GetPage(1).GetWin(),
value=self._uhd_carrier_offset,
callback=self.setUHDCarrierOffset,
label="USRP Offset Frequency (Hz)",
converter=forms.float_converter(),
)
self.nb0.GetPage(1).Add(self._uhd_offset_text_box)
self._sweep_gen_text_box = forms.text_box(
parent=self.nb0.GetPage(1).GetWin(),
value="rf2_1",
callback=self.freqSweep,
label="Frequency Sweep Profile",
converter=forms.str_converter(),
)
self.nb0.GetPage(1).Add(self._sweep_gen_text_box)
self._idle_sequence_text_box = forms.text_box(
parent=self.nb0.GetPage(1).GetWin(),
value=self._up_idle_sequence,
callback=self.setUpIdleSequence,
label="Uplink Idle Sequence",
converter=forms.str_converter(),
)
self.nb0.GetPage(1).Add(self._idle_sequence_text_box)
self._pn_ranging_text_box = forms.text_box(
parent=self.nb0.GetPage(2).GetWin(),
value="",
callback=self.rangePN,
label="Queue PN Ranging",
converter=forms.str_converter(),
)
self.nb0.GetPage(2).Add(self._pn_ranging_text_box)
self._sequential_ranging_text_box = forms.text_box(
parent=self.nb0.GetPage(2).GetWin(),
value="",
callback=self.rangeSequential,
label="Queue Sequential Ranging",
converter=forms.str_converter(),
)
self.nb0.GetPage(2).Add(self._sequential_ranging_text_box)
self.row2_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.freq_acq_button = forms.button(
parent=self.nb0.GetPage(2).GetWin(),
value='Acquire Carrier Offset',
callback=self.acquireCarrier,
choices=['Acquire Carrier Offset'],
style=wx.RA_HORIZONTAL,
)
self.carrier_offset_text = forms.static_text(
parent=self.nb0.GetPage(2).GetWin(),
value="",
label="",
converter=forms.str_converter(),
)
self.row2_sizer.Add(self.freq_acq_button, flag=wx.ALIGN_CENTER)
self.row2_sizer.Add(self.carrier_offset_text, flag=wx.ALIGN_CENTER)
self.nb0.GetPage(2).Add(self.row2_sizer)
self.file_sink = blocks.file_meta_sink(gr.sizeof_gr_complex, "iq_recording.dat", self._samples_per_second)
self.file_sink.close()
self.iq_recording_ctr = 0
# Selection logic to switch between recording and normal flowgraph routes
# NOTE: u_valve logic is implemented backwards in GNURadio....
#self.u_valve = blks2.valve(
# item_size=gr.sizeof_gr_complex,
# open=False
#)
# Temporary code used to verify coherent turnaround
self.turnaround_mixer = blocks.multiply_cc()
self.turnaround_mixer_source = analog.sig_source_c(self._down_samples_per_second, analog.GR_SIN_WAVE, -25e3, 1.0)
self.turnaround_iir = filter.single_pole_iir_filter_cc(0.0001)
self.turnaround_null = blocks.null_sink(gr.sizeof_float)
# PLL and associated carrier for tracking carrier frequency if residual carrier is used
self.carrier_tracking = sdrp.pll_freq_acq_cc(math.pi/2000, math.pi, -math.pi, int(options.acq_samples))
self.imag_to_float = blocks.complex_to_imag()
#Suppressed carrier requires costas after subcarrier mixer
self.subcarrier_costas = digital.costas_loop_cc(0.001, 2)
self.real_to_float = blocks.complex_to_real()
#Square wave subcarrier sync
self.subcarrier_sync = sdrp.square_sub_tracker_ff(0.001, 2*self._down_sub_freq/self._down_samples_per_second*1.0001, 2*self._down_sub_freq/self._down_samples_per_second*0.9999)
#Data sync
self.data_sync = sdrp.square_data_tracker_ff(0.001, self._down_bitrate/self._down_samples_per_second*1.001, self._down_bitrate/self._down_samples_per_second*0.999)
#Data framing
self.soft_correlator = sdrp.correlate_soft_access_tag_ff(conv_packed_binary_string_to_1_0_string('\x1A\xCF\xFC\x1D'), self._asm_threshold, "asm_corr")
self.conv_decoder = sdrp.ccsds_tm_conv_decoder("asm_corr")
self.de_randomizer = sdrp.ccsds_tm_derandomizer("asm_corr")
self.tm_framer = sdrp.ccsds_tm_framer(self._tm_packet_id, self._timestamp_id, "asm_corr", "rx_time", self._down_bitrate)
self.tm_framer.setFrameLength(self._tm_len)
self._current_scope_block = None
self._current_scoped_block = self.u
self._current_scoped_block_port = 0
self._recording = 'Off'
#TX path in flowgraph
self.pkt_gen_msgq = gr.msg_queue(10)
self.pkt_gen = sdrp.ccsds_tm_tx(self._tm_packet_id, self._timestamp_id, 1.0, 16, self.pkt_gen_msgq)
self.conj = blocks.conjugate_cc()
#Sweep generator for transponder lock
self.sweep_gen = sdrp.sweep_generator_cc(self._up_samples_per_second)
# DSSDR subcarrier mixer (either 25 kHz or 0 kHz depending on baud rate)
self.up_subcarrier_mixer = blocks.multiply_ff()
self.subcarrier_mixer_source_tx = analog.sig_source_f(self._up_samples_per_second, analog.GR_SQR_WAVE, 25e3, 2.0, -1.0)
self.phase_mod_tx = analog.phase_modulator_fc(self._up_modulation_index)
self.tx_attenuator = blocks.multiply_const_cc((0.1+0.0j))
#Add in bit recorder if needed
if self.options.bitlog:
self.bit_slicer = digital.binary_slicer_fb()
self.bit_recorder = blocks.file_sink(1, "bitstream_recording.out")
self.setDownCodingMethod(self._coding_method)
self.setUpCodingMethod("None")
self.setUpSubcarrier(self._up_subcarrier)
self.setDownBitrate(self._down_bitrate)
self.setUpBitrate(self._up_bitrate)
self.setDownModulationIndex(self._modulation_index)
self.setUpModulationIndex(self._up_modulation_index)
self.setDownConvEn(self._down_conv_en)
self.setUpConvEn(self._up_conv_en)
self.setUpIdleSequence(self._up_idle_sequence)
self.setDownRandomizerEn(self._down_randomizer_en)
self.setDownManchesterEn(self._down_manchester_en)
#Connection to outside world
self.socket_pdu = blocks.socket_pdu("TCP_SERVER", "127.0.0.1", "12902", 10000)
self.sdrp_interpreter = sdrp.sdrp_packet_interpreter()
self.msg_connect(self.tm_framer, "tm_frame_out", self.sdrp_interpreter, "sdrp_pdu_in")
self.msg_connect(self.sdrp_interpreter, "socket_pdu_out", self.socket_pdu, "pdus")
self.msg_connect(self.socket_pdu, "pdus", self.sdrp_interpreter, "socket_pdu_in")
self.msg_connect(self.sdrp_interpreter,"sdrp_pdu_out", self.pkt_gen, "ccsds_tx_msg_in")
if options.test == False and options.fromfile == False and options.frombitlog == False:
_threading.Thread(target=self.watchRef).start()
self.initialized = True
print "DS-SDR Initialized"
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="OFDM Rx") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),) self.length_tag_name = length_tag_name = "frame_len" self.sync_word2 = sync_word2 = (0, 0, 0, 0, 0, 1, 1, -1.0, -1, 1.0, 1, 1.0, -1, -1.0, -1, 1.0, 1, -1.0, 1, 1.0, 1, -1.0, -1, -1.0, -1, 1.0, -1, 1.0, -1, 1.0, 1, -1.0, 0, 1.0, 1, -1.0, 1, 1.0, -1, -1.0, 1, -1.0, -1, -1.0, 1, 1.0, 1, -1.0, 1, 1.0, -1, 1.0, -1, -1.0, -1, 1.0, 1, -1.0, 0, 0, 0, 0, 0, 0) self.sync_word1 = sync_word1 = (0, 0, 0, 0, 0, 0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 0, 0, 0, 0, 0) self.samp_rate = samp_rate = 3200000 self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.header_mod = header_mod = digital.constellation_bpsk() self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, 1, length_tag_name) self.fft_len = fft_len = 64 ################################################## # Blocks ################################################## self.gr_delay_0 = gr.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.formatter()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False) self.digital_ofdm_serializer_vcc_1 = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, "length_tag_key", "", 1, "", True) self.digital_ofdm_serializer_vcc_0 = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_name, "", 0, "", True) self.digital_ofdm_frame_equalizer_vcvc_0_0 = digital.ofdm_frame_equalizer_vcvc(digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols).base(), fft_len/4, length_tag_name, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 2).base(), fft_len/4, "length_tag_key", False, 0) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 2, 0, -1, False) self.digital_header_payload_demux_0 = digital.header_payload_demux(3, fft_len, fft_len/4, length_tag_name, "", True, gr.sizeof_gr_complex) self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(header_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(payload_mod.base()) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate) self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "Rx Packets") self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, 1, 0) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len) ################################################## # Connections ################################################## self.connect((self.digital_ofdm_frame_equalizer_vcvc_0_0, 0), (self.digital_ofdm_serializer_vcc_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_0, 0), (self.digital_constellation_decoder_cb_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_1, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_1, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.gr_delay_0, 0)) self.connect((self.analog_noise_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.gr_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) ################################################## # Asynch Message Connections ################################################## self.msg_connect(self.digital_packet_headerparser_b_0, "header_data", self.digital_header_payload_demux_0, "header_data")
def __init__(self):
gr.top_block.__init__(self, "Ofdm02")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm02")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ofdm02")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.timing = timing = 1.0001
self.samp_rate = samp_rate = 100000
self.packet_len = packet_len = 50
self.noise = noise = 0.01
self.len_tag_key = len_tag_key = "packet_len"
self.freq = freq = 0.01
self.fft_len = fft_len = 128
##################################################
# Blocks
##################################################
self._timing_layout = Qt.QVBoxLayout()
self._timing_tool_bar = Qt.QToolBar(self)
self._timing_layout.addWidget(self._timing_tool_bar)
self._timing_tool_bar.addWidget(Qt.QLabel("Timing Offset"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._timing_counter = qwt_counter_pyslot()
self._timing_counter.setRange(0.999, 1.001, 0.0001)
self._timing_counter.setNumButtons(2)
self._timing_counter.setValue(self.timing)
self._timing_tool_bar.addWidget(self._timing_counter)
self._timing_counter.valueChanged.connect(self.set_timing)
self._timing_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_slider.setRange(0.999, 1.001, 0.0001)
self._timing_slider.setValue(self.timing)
self._timing_slider.setMinimumWidth(200)
self._timing_slider.valueChanged.connect(self.set_timing)
self._timing_layout.addWidget(self._timing_slider)
self.top_grid_layout.addLayout(self._timing_layout, 2,0,1,1)
self._noise_layout = Qt.QVBoxLayout()
self._noise_tool_bar = Qt.QToolBar(self)
self._noise_layout.addWidget(self._noise_tool_bar)
self._noise_tool_bar.addWidget(Qt.QLabel("Noise Voltage"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._noise_counter = qwt_counter_pyslot()
self._noise_counter.setRange(0, 3, 0.01)
self._noise_counter.setNumButtons(2)
self._noise_counter.setValue(self.noise)
self._noise_tool_bar.addWidget(self._noise_counter)
self._noise_counter.valueChanged.connect(self.set_noise)
self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_slider.setRange(0, 3, 0.01)
self._noise_slider.setValue(self.noise)
self._noise_slider.setMinimumWidth(200)
self._noise_slider.valueChanged.connect(self.set_noise)
self._noise_layout.addWidget(self._noise_slider)
self.top_grid_layout.addLayout(self._noise_layout, 1,0,1,1)
self._freq_layout = Qt.QVBoxLayout()
self._freq_tool_bar = Qt.QToolBar(self)
self._freq_layout.addWidget(self._freq_tool_bar)
self._freq_tool_bar.addWidget(Qt.QLabel("Frequency Offset"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._freq_counter = qwt_counter_pyslot()
self._freq_counter.setRange(-1, 1, 0.01)
self._freq_counter.setNumButtons(2)
self._freq_counter.setValue(self.freq)
self._freq_tool_bar.addWidget(self._freq_counter)
self._freq_counter.valueChanged.connect(self.set_freq)
self._freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_slider.setRange(-1, 1, 0.01)
self._freq_slider.setValue(self.freq)
self._freq_slider.setMinimumWidth(200)
self._freq_slider.valueChanged.connect(self.set_freq)
self._freq_layout.addWidget(self._freq_slider)
self.top_grid_layout.addLayout(self._freq_layout, 1,1,1,1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0,1,1,1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-80, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,1,1)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.channels_fading_model_0 = channels.fading_model( 8, 10.0/samp_rate, False, 4.0, 0 )
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=freq,
epsilon=timing,
taps=(1.0, ),
noise_seed=0,
block_tags=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, len_tag_key)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_fading_model_0, 0))
self.connect((self.channels_fading_model_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ofdm05")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm05")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ofdm05")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.timing = timing = 1.0001
self.samp_rate = samp_rate = 7.68e6
self.q_offset = q_offset = 0
self.phase_noise = phase_noise = 0
self.packet_len = packet_len = 50
self.noise = noise = 1.2
self.len_tag_key = len_tag_key = "packet_len"
self.iq_ph = iq_ph = 0
self.iq_mag = iq_mag = 0
self.i_offset = i_offset = 0
self.freq = freq = 0.01
self.fft_len = fft_len = 128
self.dist3 = dist3 = 0
self.dist2 = dist2 = 0
##################################################
# Blocks
##################################################
self._timing_layout = Qt.QVBoxLayout()
self._timing_label = Qt.QLabel("Timing Offset")
self._timing_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_slider.setRange(0.999, 1.001, 0.0001)
self._timing_slider.setValue(self.timing)
self._timing_slider.setMinimumWidth(200)
self._timing_slider.valueChanged.connect(self.set_timing)
self._timing_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._timing_layout.addWidget(self._timing_label)
self._timing_layout.addWidget(self._timing_slider)
self.top_grid_layout.addLayout(self._timing_layout, 1,2,1,1)
self._q_offset_layout = Qt.QVBoxLayout()
self._q_offset_label = Qt.QLabel("Quadrature Offset")
self._q_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._q_offset_slider.setRange(-1, 1, 0.01)
self._q_offset_slider.setValue(self.q_offset)
self._q_offset_slider.setMinimumWidth(200)
self._q_offset_slider.valueChanged.connect(self.set_q_offset)
self._q_offset_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._q_offset_layout.addWidget(self._q_offset_label)
self._q_offset_layout.addWidget(self._q_offset_slider)
self.top_grid_layout.addLayout(self._q_offset_layout, 2,3,1,1)
self._phase_noise_layout = Qt.QVBoxLayout()
self._phase_noise_label = Qt.QLabel("Phase Noise")
self._phase_noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._phase_noise_slider.setRange(0, 40, 0.5)
self._phase_noise_slider.setValue(self.phase_noise)
self._phase_noise_slider.setMinimumWidth(200)
self._phase_noise_slider.valueChanged.connect(self.set_phase_noise)
self._phase_noise_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._phase_noise_layout.addWidget(self._phase_noise_label)
self._phase_noise_layout.addWidget(self._phase_noise_slider)
self.top_grid_layout.addLayout(self._phase_noise_layout, 1,3,1,1)
self._noise_layout = Qt.QVBoxLayout()
self._noise_label = Qt.QLabel("Noise Voltage")
self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_slider.setRange(0, 2, 0.01)
self._noise_slider.setValue(self.noise)
self._noise_slider.setMinimumWidth(200)
self._noise_slider.valueChanged.connect(self.set_noise)
self._noise_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._noise_layout.addWidget(self._noise_label)
self._noise_layout.addWidget(self._noise_slider)
self.top_grid_layout.addLayout(self._noise_layout, 1,0,1,1)
self._iq_ph_layout = Qt.QVBoxLayout()
self._iq_ph_label = Qt.QLabel("IQ Phase Imbalance")
self._iq_ph_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._iq_ph_slider.setRange(-3.14, 3.14, 0.01)
self._iq_ph_slider.setValue(self.iq_ph)
self._iq_ph_slider.setMinimumWidth(200)
self._iq_ph_slider.valueChanged.connect(self.set_iq_ph)
self._iq_ph_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._iq_ph_layout.addWidget(self._iq_ph_label)
self._iq_ph_layout.addWidget(self._iq_ph_slider)
self.top_grid_layout.addLayout(self._iq_ph_layout, 2,1,1,1)
self._iq_mag_layout = Qt.QVBoxLayout()
self._iq_mag_label = Qt.QLabel("IQ Mag. Imbalance")
self._iq_mag_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._iq_mag_slider.setRange(0, 1, 0.01)
self._iq_mag_slider.setValue(self.iq_mag)
self._iq_mag_slider.setMinimumWidth(200)
self._iq_mag_slider.valueChanged.connect(self.set_iq_mag)
self._iq_mag_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._iq_mag_layout.addWidget(self._iq_mag_label)
self._iq_mag_layout.addWidget(self._iq_mag_slider)
self.top_grid_layout.addLayout(self._iq_mag_layout, 2,0,1,1)
self._i_offset_layout = Qt.QVBoxLayout()
self._i_offset_label = Qt.QLabel("Inphase Offset")
self._i_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._i_offset_slider.setRange(-1, 1, 0.01)
self._i_offset_slider.setValue(self.i_offset)
self._i_offset_slider.setMinimumWidth(200)
self._i_offset_slider.valueChanged.connect(self.set_i_offset)
self._i_offset_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._i_offset_layout.addWidget(self._i_offset_label)
self._i_offset_layout.addWidget(self._i_offset_slider)
self.top_grid_layout.addLayout(self._i_offset_layout, 2,2,1,1)
self._freq_layout = Qt.QVBoxLayout()
self._freq_label = Qt.QLabel("Frequency Offset")
self._freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_slider.setRange(-1, 1, 0.01)
self._freq_slider.setValue(self.freq)
self._freq_slider.setMinimumWidth(200)
self._freq_slider.valueChanged.connect(self.set_freq)
self._freq_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._freq_layout.addWidget(self._freq_label)
self._freq_layout.addWidget(self._freq_slider)
self.top_grid_layout.addLayout(self._freq_layout, 1,1,1,1)
self._dist3_layout = Qt.QVBoxLayout()
self._dist3_label = Qt.QLabel("Third Order Dist")
self._dist3_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._dist3_slider.setRange(0, 0.1, 0.0001)
self._dist3_slider.setValue(self.dist3)
self._dist3_slider.setMinimumWidth(200)
self._dist3_slider.valueChanged.connect(self.set_dist3)
self._dist3_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._dist3_layout.addWidget(self._dist3_label)
self._dist3_layout.addWidget(self._dist3_slider)
self.top_grid_layout.addLayout(self._dist3_layout, 3,1,1,1)
self._dist2_layout = Qt.QVBoxLayout()
self._dist2_label = Qt.QLabel("2nd Order Dist.")
self._dist2_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._dist2_slider.setRange(0, 0.1, 0.0001)
self._dist2_slider.setValue(self.dist2)
self._dist2_slider.setMinimumWidth(200)
self._dist2_slider.valueChanged.connect(self.set_dist2)
self._dist2_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._dist2_layout.addWidget(self._dist2_label)
self._dist2_layout.addWidget(self._dist2_slider)
self.top_grid_layout.addLayout(self._dist2_layout, 3,0,1,1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0,2,1,2)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-80, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,1,2)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.channels_impairments_0 = channels.impairments(phase_noise, iq_mag, iq_ph, q_offset, i_offset, 0, dist2, dist3)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=freq,
epsilon=timing,
taps=(1.0, ),
noise_seed=0,
block_tags=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "", "packet_num"); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, len_tag_key)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.channels_impairments_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.channels_impairments_0, 0))
self.connect((self.channels_impairments_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.channels_impairments_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
def __init__(self, fft_len=_def_fft_len, cp_len=_def_cp_len,
frame_length_tag_key=_def_frame_length_tag_key,
packet_length_tag_key=_def_packet_length_tag_key,
packet_num_tag_key=_def_packet_num_tag_key,
occupied_carriers=_def_occupied_carriers,
pilot_carriers=_def_pilot_carriers,
pilot_symbols=_def_pilot_symbols,
bps_header=1,
bps_payload=1,
sync_word1=None,
sync_word2=None,
debug_log=False,
scramble_bits=False
):
gr.hier_block2.__init__(self, "ofdm_rx",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_char))
### Param init / sanity check ########################################
self.fft_len = fft_len
self.cp_len = cp_len
self.frame_length_tag_key = frame_length_tag_key
self.packet_length_tag_key = packet_length_tag_key
self.occupied_carriers = occupied_carriers
self.bps_header = bps_header
self.bps_payload = bps_payload
n_sync_words = 1
if sync_word1 is None:
self.sync_word1 = _make_sync_word1(fft_len, occupied_carriers, pilot_carriers)
else:
if len(sync_word1) != self.fft_len:
raise ValueError("Length of sync sequence(s) must be FFT length.")
self.sync_word1 = sync_word1
self.sync_word2 = ()
if sync_word2 is None:
self.sync_word2 = _make_sync_word2(fft_len, occupied_carriers, pilot_carriers)
n_sync_words = 2
elif len(sync_word2):
if len(sync_word2) != fft_len:
raise ValueError("Length of sync sequence(s) must be FFT length.")
self.sync_word2 = sync_word2
n_sync_words = 2
if scramble_bits:
self.scramble_seed = 0x7f
else:
self.scramble_seed = 0x00 # We deactivate the scrambler by init'ing it with zeros
### Sync ############################################################
sync_detect = digital.ofdm_sync_sc_cfb(fft_len, cp_len)
delay = blocks.delay(gr.sizeof_gr_complex, fft_len+cp_len)
oscillator = analog.frequency_modulator_fc(-2.0 / fft_len)
mixer = blocks.multiply_cc()
hpd = digital.header_payload_demux(
n_sync_words+1, # Number of OFDM symbols before payload (sync + 1 sym header)
fft_len, cp_len, # FFT length, guard interval
frame_length_tag_key, # Frame length tag key
"", # We're not using trigger tags
True # One output item is one OFDM symbol (False would output complex scalars)
)
self.connect(self, sync_detect)
self.connect(self, delay, (mixer, 0), (hpd, 0))
self.connect((sync_detect, 0), oscillator, (mixer, 1))
self.connect((sync_detect, 1), (hpd, 1))
if debug_log:
self.connect((sync_detect, 0), blocks.file_sink(gr.sizeof_float, 'freq-offset.dat'))
self.connect((sync_detect, 1), blocks.file_sink(gr.sizeof_char, 'sync-detect.dat'))
### Header demodulation ##############################################
header_fft = fft.fft_vcc(self.fft_len, True, (), True)
chanest = digital.ofdm_chanest_vcvc(self.sync_word1, self.sync_word2, 1)
header_constellation = _get_constellation(bps_header)
header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len,
header_constellation.base(),
occupied_carriers,
pilot_carriers,
pilot_symbols,
symbols_skipped=0,
)
header_eq = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(),
cp_len,
self.frame_length_tag_key,
True,
1 # Header is 1 symbol long
)
header_serializer = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers,
self.frame_length_tag_key
)
header_demod = digital.constellation_decoder_cb(header_constellation.base())
header_formatter = digital.packet_header_ofdm(
occupied_carriers, 1,
packet_length_tag_key,
frame_length_tag_key,
packet_num_tag_key,
bps_header,
bps_payload,
scramble_header=scramble_bits
)
header_parser = digital.packet_headerparser_b(header_formatter.formatter())
self.connect(
(hpd, 0),
header_fft,
chanest,
header_eq,
header_serializer,
header_demod,
header_parser
)
self.msg_connect(header_parser, "header_data", hpd, "header_data")
if debug_log:
self.connect((chanest, 1), blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'channel-estimate.dat'))
self.connect((chanest, 0), blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'post-hdr-chanest.dat'))
self.connect((chanest, 0), blocks.tag_debug(gr.sizeof_gr_complex * fft_len, 'post-hdr-chanest'))
self.connect(header_eq, blocks.file_sink(gr.sizeof_gr_complex * fft_len, 'post-hdr-eq.dat'))
self.connect(header_serializer, blocks.file_sink(gr.sizeof_gr_complex, 'post-hdr-serializer.dat'))
self.connect(header_descrambler, blocks.file_sink(1, 'post-hdr-demod.dat'))
### Payload demod ####################################################
payload_fft = fft.fft_vcc(self.fft_len, True, (), True)
payload_constellation = _get_constellation(bps_payload)
payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len,
payload_constellation.base(),
occupied_carriers,
pilot_carriers,
pilot_symbols,
symbols_skipped=1, # (that was already in the header)
alpha=0.1
)
payload_eq = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(),
cp_len,
self.frame_length_tag_key
)
payload_serializer = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers,
self.frame_length_tag_key,
self.packet_length_tag_key,
1 # Skip 1 symbol (that was already in the header)
)
payload_demod = digital.constellation_decoder_cb(payload_constellation.base())
self.payload_descrambler = digital.additive_scrambler_bb(
0x8a,
self.scramble_seed,
7,
0, # Don't reset after fixed length
bits_per_byte=8, # This is after packing
reset_tag_key=self.packet_length_tag_key
)
payload_pack = blocks.repack_bits_bb(bps_payload, 8, self.packet_length_tag_key, True)
self.crc = digital.crc32_bb(True, self.packet_length_tag_key)
self.connect(
(hpd, 1),
payload_fft,
payload_eq,
payload_serializer,
payload_demod,
payload_pack,
self.payload_descrambler,
self.crc,
self
)
if debug_log:
self.connect((hpd, 1), blocks.tag_debug(gr.sizeof_gr_complex*fft_len, 'post-hpd'))
self.connect(payload_fft, blocks.file_sink(gr.sizeof_gr_complex*fft_len, 'post-payload-fft.dat'))
self.connect(payload_eq, blocks.file_sink(gr.sizeof_gr_complex*fft_len, 'post-payload-eq.dat'))
self.connect(payload_serializer, blocks.file_sink(gr.sizeof_gr_complex, 'post-payload-serializer.dat'))
self.connect(payload_demod, blocks.file_sink(1, 'post-payload-demod.dat'))
self.connect(payload_pack, blocks.file_sink(1, 'post-payload-pack.dat'))
self.connect(crc, blocks.file_sink(1, 'post-payload-crc.dat'))
def __init__(self):
gr.top_block.__init__(self, "Test Rx Time")
Qt.QWidget.__init__(self)
self.setWindowTitle("Test Rx Time")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "test_rx_time")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 500e3
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(400e6, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
5,
1,
0,
"frame_len",
"",
False,
gr.sizeof_gr_complex,
"rx_time",
int(samp_rate),
(),
)
self.blocks_vector_source_x_0 = blocks.vector_source_b((0, 0, 0, 1,) + (0,) * 9999, True, 1, [])
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_gr_complex*1, "Header Info", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_message_strobe_0 = blocks.message_strobe(pmt.from_long(100), 10)
##################################################
# Connections
##################################################
self.connect((self.uhd_usrp_source_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_vector_source_x_0, 0), (self.digital_header_payload_demux_0, 1))
self.connect((self.digital_header_payload_demux_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.blocks_null_sink_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.blocks_message_strobe_0, "strobe", self.digital_header_payload_demux_0, "header_data")
def __init__(self):
gr.top_block.__init__(self, "Ofdm03")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm03")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ofdm03")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.timing = timing = 1.0001
self.samp_rate = samp_rate = 32000
self.packet_len = packet_len = 50
self.noise = noise = 0.01
self.len_tag_key = len_tag_key = "packet_len"
self.freq = freq = 0.01
self.fft_len = fft_len = 128
##################################################
# Blocks
##################################################
self._timing_layout = Qt.QVBoxLayout()
self._timing_tool_bar = Qt.QToolBar(self)
self._timing_layout.addWidget(self._timing_tool_bar)
self._timing_tool_bar.addWidget(Qt.QLabel("Timing Offset"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._timing_counter = qwt_counter_pyslot()
self._timing_counter.setRange(0.999, 1.001, 0.0001)
self._timing_counter.setNumButtons(2)
self._timing_counter.setValue(self.timing)
self._timing_tool_bar.addWidget(self._timing_counter)
self._timing_counter.valueChanged.connect(self.set_timing)
self._timing_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_slider.setRange(0.999, 1.001, 0.0001)
self._timing_slider.setValue(self.timing)
self._timing_slider.setMinimumWidth(200)
self._timing_slider.valueChanged.connect(self.set_timing)
self._timing_layout.addWidget(self._timing_slider)
self.top_grid_layout.addLayout(self._timing_layout, 2,0,1,1)
self._noise_layout = Qt.QVBoxLayout()
self._noise_tool_bar = Qt.QToolBar(self)
self._noise_layout.addWidget(self._noise_tool_bar)
self._noise_tool_bar.addWidget(Qt.QLabel("Noise Voltage"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._noise_counter = qwt_counter_pyslot()
self._noise_counter.setRange(0, 1, 0.01)
self._noise_counter.setNumButtons(2)
self._noise_counter.setValue(self.noise)
self._noise_tool_bar.addWidget(self._noise_counter)
self._noise_counter.valueChanged.connect(self.set_noise)
self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_slider.setRange(0, 1, 0.01)
self._noise_slider.setValue(self.noise)
self._noise_slider.setMinimumWidth(200)
self._noise_slider.valueChanged.connect(self.set_noise)
self._noise_layout.addWidget(self._noise_slider)
self.top_grid_layout.addLayout(self._noise_layout, 1,0,1,1)
self._freq_layout = Qt.QVBoxLayout()
self._freq_tool_bar = Qt.QToolBar(self)
self._freq_layout.addWidget(self._freq_tool_bar)
self._freq_tool_bar.addWidget(Qt.QLabel("Frequency Offset"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._freq_counter = qwt_counter_pyslot()
self._freq_counter.setRange(-1, 1, 0.01)
self._freq_counter.setNumButtons(2)
self._freq_counter.setValue(self.freq)
self._freq_tool_bar.addWidget(self._freq_counter)
self._freq_counter.valueChanged.connect(self.set_freq)
self._freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_slider.setRange(-1, 1, 0.01)
self._freq_slider.setValue(self.freq)
self._freq_slider.setMinimumWidth(200)
self._freq_slider.valueChanged.connect(self.set_freq)
self._freq_layout.addWidget(self._freq_slider)
self.top_grid_layout.addLayout(self._freq_layout, 1,1,1,1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 0,1,1,1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-80, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0,0,1,1)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.channels_selective_fading_model_0 = channels.selective_fading_model( 8, 10.0/samp_rate, False, 4.0, 0, (-0.0025, -0.00125, 0.0, 0.00125, 0.0025, 0.00375, 0.005, 0.00625, 0.0075, 0.00875, 0.01, 0.01125, 0.0125, 0.015, 0.01625, 0.0175, 0.01875, 0.02, 0.02125, 0.0225, 0.02375, 0.025, 0.0275, 0.02875, 0.03, 0.03125, 0.0325, 0.03375, 0.035, 0.03625, 0.0375, 0.03875, 0.04, 0.04125, 0.0425, 0.04375, 0.045, 0.04625, 0.0475, 0.05125, 0.0525, 0.055, 0.05625, 0.0575, 0.06, 0.06375, 0.065, 0.06625, 0.0675, 0.06875, 0.0725, 0.08, 0.08125, 0.085, 0.08625, 0.0875, 0.08875, 0.09125, 0.0925, 0.09375, 0.095, 0.09875, 0.1, 0.1075, 0.10875, 0.11, 0.11125, 0.13125, 0.1325), (0.16529889, 0.46954084, 0.58274825, 0.24561255, 0.50459457, 0.69767633, 1.0, 0.77724474, 0.48675226, 0.46954084, 0.21267289, 0.19090106, 0.31600413, 0.45293801, 0.8057353, 0.64920938, 0.50459457, 0.1978987, 0.35204369, 0.54226525, 0.31600413, 0.15945397, 0.2204686, 0.35204369, 0.37832563, 0.37832563, 0.36494815, 0.2204686, 0.17763933, 0.45293801, 0.52309091, 0.52309091, 0.46954084, 0.35204369, 0.40656966, 0.25461568, 0.23692776, 0.32758753, 0.1978987, 0.21267289, 0.2204686, 0.19090106, 0.24561255, 0.17135806, 0.21267289, 0.16529889, 0.2204686, 0.30483032, 0.33959553, 0.18415085, 0.18415085, 0.22855006, 0.2940516, 0.19090106, 0.17135806, 0.18415085, 0.1978987, 0.17763933, 0.15945397, 0.26394884, 0.24561255, 0.21267289, 0.19090106, 0.17763933, 0.2204686, 0.21267289, 0.17135806, 0.17135806, 0.16529889), 8 )
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=freq,
epsilon=timing,
taps=(1.0, ),
noise_seed=0,
block_tags=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, len_tag_key)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.channels_selective_fading_model_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.channels_selective_fading_model_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self,len_tag_key, samp_rate, enable_crc):
gr.hier_block2.__init__(self,
"frame_decoder",
gr.io_signature(1, 1, gr.sizeof_char), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self.len_tag_key = len_tag_key
self.samp_rate = samp_rate
# Set correlator. FIXME Modifiable access code
self.digital_correlate_access_code_tag_bb_0 \
= digital.correlate_access_code_tag_bb(
"1010110011011101101001001110001011110010100011000010000011111100",
0, "access")
self.digital_header_payload_demux_0 = digital.header_payload_demux(
32, # header size
1, # bits per symbol
0, # guard interval
len_tag_key, # length tag key
"access", # trigger tag key
False, # no idea
gr.sizeof_char, # item format
"rx_time", # timing tag key (irrelevant)
samp_rate, # sample rate
(""), # special tag keys
)
self.digital_packet_headerparser_b_default_0 \
= digital.packet_headerparser_b(32, len_tag_key)
self.blocks_repack_bits_bb_0 \
= blocks.repack_bits_bb(1, 8, len_tag_key,
False, gr.GR_MSB_FIRST)
if enable_crc:
self.digital_crc32_bb_0 \
= digital.crc32_bb(True, len_tag_key, True)
# Debug
self.tag_debug_correlator = blocks.tag_debug(gr.sizeof_char*1,
"Access code found.", "access");
#self.tag_debug_header = blocks.tag_debug(gr.sizeof_char*1,
# "Header correctly obtained", len_tag_key);
self.tag_debug_packet = blocks.tag_debug(gr.sizeof_char*1,
"Packet correctly obtained.", len_tag_key);
# Debug Message after the header was found
#self.blocks_message_debug_0 = blocks.message_debug()
#self.blocks_tagged_stream_to_pdu_0 \
# = blocks.tagged_stream_to_pdu(blocks.byte_t, len_tag_key)
# PDU Tag Multiplier
self.multiplay_length = orcatun.multiply_length_pdu(len_tag_key)
##################################################
# Connections
##################################################
# Correlator to Header/Payload Demux
# Correlator triggers the HPD with stream tags
self.connect((self.digital_correlate_access_code_tag_bb_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.digital_correlate_access_code_tag_bb_0, 0),
(self.tag_debug_correlator,0))
# HPD to Header Parser
# Extracts the information from the header...
self.connect((self.digital_header_payload_demux_0, 0),
(self.digital_packet_headerparser_b_default_0, 0))
# ... and pass it back to the HPD
#self.msg_connect((self.digital_packet_headerparser_b_default_0,
# 'header_data'),
# (self.digital_header_payload_demux_0,
# 'header_data'))
self.msg_connect((self.digital_packet_headerparser_b_default_0,
'header_data'),
(self.multiplay_length, 'in'))
self.msg_connect((self.multiplay_length, 'out'),
(self.digital_header_payload_demux_0,
'header_data'))
# HPD payload to Repacker
self.connect((self.digital_header_payload_demux_0, 1),
(self.blocks_repack_bits_bb_0, 0))
# Repacker to Stream CRC32
# to check the CRC
if enable_crc:
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_crc32_bb_0, 0))
# Connect input and output
self.connect((self,0), (self.digital_correlate_access_code_tag_bb_0, 0))
if enable_crc:
self.connect((self.digital_crc32_bb_0, 0), (self,0))
else:
self.connect((self.blocks_repack_bits_bb_0, 0), (self,0))
# Debug
if enable_crc:
self.connect((self.digital_crc32_bb_0, 0), (self.tag_debug_packet, 0))
def __init__(self):
gr.top_block.__init__(self, "Ofdm Rx")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm Rx")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ofdm_rx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.tune_offset = tune_offset = 500e3
self.samp_rate = samp_rate = 500000
self.len_tag_key = len_tag_key = "packet_len"
self.fft_len = fft_len = 128
self.decimation = decimation = 4
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "rx_len")
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.osmosdr_source_0.set_sample_rate(samp_rate*decimation)
self.osmosdr_source_0.set_center_freq(400e6-tune_offset, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(0, 0)
self.osmosdr_source_0.set_gain(10, 0)
self.osmosdr_source_0.set_if_gain(20, 0)
self.osmosdr_source_0.set_bb_gain(20, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decimation, (firdes.low_pass(1.0, samp_rate*decimation, 300e3, 100e3)), tune_offset, samp_rate*decimation)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=True
)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "Rx Packets", ""); self.blocks_tag_debug_0.set_display(True)
##################################################
# Connections
##################################################
self.connect((self.blocks_uchar_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ofdm00")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm00")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ofdm00")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 100000
self.packet_len = packet_len = 50
self.len_tag_key = len_tag_key = "packet_len"
self.fft_len = fft_len = 128
##################################################
# Blocks
##################################################
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-80, 10)
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len, cp_len=fft_len/4,
packet_length_tag_key=len_tag_key,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=False,
scramble_bits=False
)
self.digital_ofdm_rx_0 = digital.ofdm_rx(
fft_len=fft_len, cp_len=fft_len/4,
frame_length_tag_key='frame_'+"rx_len",
packet_length_tag_key="rx_len",
bps_header=1,
bps_payload=2,
debug_log=False,
scramble_bits=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "", ""); self.blocks_tag_debug_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, len_tag_key)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.digital_ofdm_rx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0))
def __init__(
self, ipp1="127.0.0.1", ipp2="127.0.0.1", ipp3="127.0.0.1", ipp4="127.0.0.1", iptx="127.0.0.1", samp_rate=1000
):
gr.top_block.__init__(self, "OFDM Rx")
##################################################
# Parameters
##################################################
self.ipp1 = ipp1
self.ipp2 = ipp2
self.ipp3 = ipp3
self.ipp4 = ipp4
self.iptx = iptx
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1),)
self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21),)
self.payload_mod = payload_mod = digital.constellation_qpsk()
self.packet_length_tag_key = packet_length_tag_key = "packet_len"
self.occupied_carriers = occupied_carriers = (
range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),
)
self.length_tag_key = length_tag_key = "frame_len"
self.header_mod = header_mod = digital.constellation_bpsk()
self.fft_len = fft_len = 64
self.sync_word2 = sync_word2 = [
0j,
0j,
0j,
0j,
0j,
0j,
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
0j,
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
(-1 + 0j),
0j,
0j,
0j,
0j,
0j,
]
self.sync_word1 = sync_word1 = [
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
-1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
1.41421356,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
]
self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1
)
self.packet_len = packet_len = 96
self.header_formatter = header_formatter = digital.packet_header_ofdm(
occupied_carriers,
n_syms=1,
len_tag_key=packet_length_tag_key,
frame_len_tag_key=length_tag_key,
bits_per_header_sym=header_mod.bits_per_symbol(),
bits_per_payload_sym=payload_mod.bits_per_symbol(),
scramble_header=False,
)
self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(
fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols
)
##################################################
# Blocks
##################################################
self.zeromq_push_sink_0_0_1_0_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ipp3 + ":55530", 100, True)
self.zeromq_push_sink_0_0_1_0 = zeromq.push_sink(
gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55521", 100, True
)
self.zeromq_push_sink_0_0_1 = zeromq.push_sink(gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55520", 100, True)
self.zeromq_push_sink_0_0_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ipp1 + ":55511", 100, True)
self.zeromq_push_sink_0_0 = zeromq.push_sink(gr.sizeof_gr_complex, 1, "tcp://" + ipp1 + ":55510", 100, True)
self.zeromq_push_sink_0 = zeromq.push_sink(gr.sizeof_gr_complex, 1, "tcp://" + iptx + ":55500", 100, True)
self.zeromq_pull_source_0_0_0_0_0_0 = zeromq.pull_source(
gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55521", 100, True
)
self.zeromq_pull_source_0_0_0_0_0 = zeromq.pull_source(
gr.sizeof_gr_complex, 64, "tcp://" + ipp2 + ":55520", 100, True
)
self.zeromq_pull_source_0_0_0_0 = zeromq.pull_source(gr.sizeof_char, 1, "tcp://" + ipp3 + ":55530", 100, True)
self.zeromq_pull_source_0_0_0 = zeromq.pull_source(gr.sizeof_char, 1, "tcp://" + ipp1 + ":55511", 100, True)
self.zeromq_pull_source_0_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + ipp1 + ":55510", 100, True)
self.zeromq_pull_source_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + iptx + ":55500", 100, True)
self.my_random_source_limit_rate_0 = my.random_source_limit_rate(1000)
self.my_number_sync_timestamp_0 = my.number_sync_timestamp()
self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1)
self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (()), True, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base())
self.digital_ofdm_tx_0 = digital.ofdm_tx(
fft_len=fft_len,
cp_len=fft_len / 4,
packet_length_tag_key=packet_length_tag_key,
occupied_carriers=occupied_carriers,
pilot_carriers=pilot_carriers,
pilot_symbols=pilot_symbols,
sync_word1=sync_word1,
sync_word2=sync_word2,
bps_header=1,
bps_payload=2,
rolloff=0,
debug_log=True,
scramble_bits=False,
)
self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len / 4, False)
self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, "", True
)
self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(
fft_len, occupied_carriers, length_tag_key, "", 0, "", True
)
self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(
payload_equalizer.base(), fft_len / 4, length_tag_key, True, 0
)
self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(
header_equalizer.base(), fft_len / 4, length_tag_key, True, 1
)
self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False)
self.digital_header_payload_demux_0 = digital.header_payload_demux(
3, fft_len, fft_len / 4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, ()
)
self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key, True)
self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base())
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.1,
frequency_offset=0 * 1.0 / fft_len,
epsilon=1.0,
taps=(1.0,),
noise_seed=0,
block_tags=True,
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True)
self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char * 1, "Rx Bytes", "")
self.blocks_tag_debug_1.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, packet_len, packet_length_tag_key
)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST
)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len / 4)
self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0 / fft_len)
##################################################
# Connections
##################################################
self.msg_connect(
(self.digital_packet_headerparser_b_0, "header_data"), (self.digital_header_payload_demux_0, "header_data")
)
self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.zeromq_push_sink_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.zeromq_push_sink_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.zeromq_push_sink_0_0_1_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_tag_debug_1, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.my_number_sync_timestamp_0, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.zeromq_push_sink_0_0_1, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.zeromq_push_sink_0_0_1_0, 0))
self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0))
self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0))
self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0))
self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.zeromq_push_sink_0_0_0, 0))
self.connect((self.digital_ofdm_tx_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0))
self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0))
self.connect((self.my_random_source_limit_rate_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.zeromq_pull_source_0, 0), (self.blocks_delay_0, 0))
self.connect((self.zeromq_pull_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
self.connect((self.zeromq_pull_source_0_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.zeromq_pull_source_0_0_0, 0), (self.digital_header_payload_demux_0, 1))
self.connect((self.zeromq_pull_source_0_0_0_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.zeromq_pull_source_0_0_0_0_0, 0), (self.fft_vxx_0, 0))
self.connect((self.zeromq_pull_source_0_0_0_0_0_0, 0), (self.fft_vxx_1, 0))
def test_001(self):
N = 1000
outfile = "test_out.dat"
detached = False
samp_rate = 200000
key = pmt.intern("samp_rate")
val = pmt.from_double(samp_rate)
extras = pmt.make_dict()
extras = pmt.dict_add(extras, key, val)
extras_str = pmt.serialize_str(extras)
data = sig_source_c(samp_rate, 1000, 1, N)
src = blocks.vector_source_c(data)
fsnk = blocks.file_meta_sink(gr.sizeof_gr_complex, outfile,
samp_rate, 1,
blocks.GR_FILE_FLOAT, True,
1000000, extras_str, detached)
fsnk.set_unbuffered(True)
self.tb.connect(src, fsnk)
self.tb.run()
fsnk.close()
handle = open(outfile, "rb")
header_str = handle.read(parse_file_metadata.HEADER_LENGTH)
if(len(header_str) == 0):
self.assertFalse()
try:
header = pmt.deserialize_str(header_str)
except RuntimeError:
self.assertFalse()
info = parse_file_metadata.parse_header(header, False)
extra_str = handle.read(info["extra_len"])
self.assertEqual(len(extra_str) > 0, True)
handle.close()
try:
extra = pmt.deserialize_str(extra_str)
except RuntimeError:
self.assertFalse()
extra_info = parse_file_metadata.parse_extra_dict(extra, info, False)
self.assertEqual(info['rx_rate'], samp_rate)
self.assertEqual(pmt.to_double(extra_info['samp_rate']), samp_rate)
# Test file metadata source
src.rewind()
fsrc = blocks.file_meta_source(outfile, False)
vsnk = blocks.vector_sink_c()
tsnk = blocks.tag_debug(gr.sizeof_gr_complex, "QA")
ssnk = blocks.vector_sink_c()
self.tb.disconnect(src, fsnk)
self.tb.connect(fsrc, vsnk)
self.tb.connect(fsrc, tsnk)
self.tb.connect(src, ssnk)
self.tb.run()
fsrc.close()
# Test to make sure tags with 'samp_rate' and 'rx_rate' keys
# were generated and received correctly.
tags = tsnk.current_tags()
for t in tags:
if(pmt.eq(t.key, pmt.intern("samp_rate"))):
self.assertEqual(pmt.to_double(t.value), samp_rate)
elif(pmt.eq(t.key, pmt.intern("rx_rate"))):
self.assertEqual(pmt.to_double(t.value), samp_rate)
# Test that the data portion was extracted and received correctly.
self.assertComplexTuplesAlmostEqual(vsnk.data(), ssnk.data(), 5)
os.remove(outfile)