def setUp (self):
self.tb = gr.top_block ()
self.emitter = pdu_utils.message_emitter()
self.emitter2 = pdu_utils.message_emitter()
self.pre = pdu_utils.pdu_preamble([], [], 8, 20, True)
self.gmsk = pdu_utils.pdu_gmsk_fc(0.5, firdes.gaussian(1,4,0.35,9))
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.pre, 'pdu_in'))
self.tb.msg_connect((self.emitter2, 'msg'), (self.gmsk, 'pdu_in'))
self.tb.msg_connect((self.pre, 'pdu_out'), (self.gmsk, 'pdu_in'))
self.tb.msg_connect((self.gmsk, 'pdu_out'), (self.debug, 'store'))
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.upsample = pdu_utils.upsample(4, False)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.upsample, 'pdu_in'))
self.tb.msg_connect((self.upsample, 'pdu_out'), (self.debug, 'store'))
def test_001_t(self):
self.emitter = pdu_utils.message_emitter()
self.qd = pdu_utils.pdu_quadrature_demod_cf(1)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.qd, 'cpdus'))
self.tb.msg_connect((self.qd, 'fpdus'), (self.debug, 'store'))
in_data1 = [1., 1.j, -1., -1.j, 1.]
in_data2 = [7. + 7.j, -7. + 7.j, -7. - 7.j, 7. - 7.j, 7. + 7.j]
expected_data = [PI / 2, PI / 2, PI / 2, PI / 2]
in_pdu1 = pmt.cons(pmt.make_dict(),
pmt.init_c32vector(len(in_data1), in_data1))
in_pdu2 = pmt.cons(pmt.make_dict(),
pmt.init_c32vector(len(in_data2), in_data2))
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu1)
time.sleep(.01)
self.emitter.emit(in_pdu2)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
out_data = pmt.f32vector_elements(pmt.cdr(self.debug.get_message(0)))
self.assertFloatTuplesAlmostEqual(out_data, expected_data, 4)
out_data = pmt.f32vector_elements(pmt.cdr(self.debug.get_message(1)))
self.assertFloatTuplesAlmostEqual(out_data, expected_data, 4)
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.add = pdu_utils.pdu_add_noise(0, 0, 1)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.add, 'pdu_in'))
self.tb.msg_connect((self.add, 'pdu_out'), (self.debug, 'store'))
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.i_t = sandia_utils.invert_tune()
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.i_t, 'tune'))
self.tb.msg_connect((self.i_t, 'tune'), (self.debug, 'store'))
def setUp (self):
self.tb = gr.top_block ()
self.emitter = pdu_utils.message_emitter()
self.set = pdu_utils.pdu_set_m(pmt.intern('num'), pmt.from_long(4))
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.set, 'pdu_in'))
self.tb.msg_connect((self.set, 'pdu_out'), (self.debug, 'store'))
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.combiner = pdu_utils.pdu_burst_combiner()
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.combiner, 'pdu_in'))
self.tb.msg_connect((self.combiner, 'pdu_out'), (self.debug, 'store'))
def test_simple (self):
self.emitter = pdu_utils.message_emitter()
self.ctm2 = pdu_utils.pdu_complex_to_mag2()
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.ctm2, 'cpdus'))
self.tb.msg_connect((self.ctm2, 'fpdus'), (self.debug, 'store'))
# gnuradio uses single-precision floats by default
i_vec = pmt.init_c32vector(3, [3+4j, 1+0j, 0+1j])
e_vec = pmt.init_f32vector(3, [25, 1, 1])
in_pdu = pmt.cons(pmt.make_dict(), i_vec)
e_pdu = pmt.cons(pmt.make_dict(), e_vec)
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
print("test ctm2:")
print("pdu expected: " + repr(pmt.car(e_pdu)))
print("pdu got: " + repr(pmt.car(self.debug.get_message(0))))
print("data expected: " + repr(pmt.to_python(pmt.cdr(e_pdu))))
print("data got: " + repr(pmt.to_python(pmt.cdr(self.debug.get_message(0)))))
print
self.assertTrue(pmt.equal(self.debug.get_message(0), e_pdu))
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.debug = blocks.message_debug()
self.compute = sandia_utils.compute_stats()
self.tb.msg_connect((self.emitter, 'msg'), (self.compute, 'pdu_in'))
self.tb.msg_connect((self.compute, 'pdu_out'), (self.debug, 'store'))
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
if not os.path.exists(QA_LOG_DIR):
os.mkdir(QA_LOG_DIR)
self.dut = pdu_utils.pdu_logger(QA_LOG_DIR + 'raw-')
self.tb.msg_connect((self.emitter, 'msg'), (self.dut, 'pdu_in'))
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.dut = sandia_utils.message_vector_raster_file_sink('/tmp/qa_message_vector_file_sink', 10)
self.tb.msg_connect((self.emitter, 'msg'), (self.dut, 'in'))
def test1_cleanup(self):
'''
All files should be deleted by the monitor when complete
'''
# open a dummy file
fname = '/tmp/foo.txt'
if os.path.exists(fname):
os.remove(fname)
Path(fname).touch()
# PMT
p = pmt.dict_add(pmt.make_dict(),pmt.intern('rx_freq'), pmt.from_double(915e6))
p = pmt.dict_add(p,pmt.intern('rx_rate'),pmt.from_double(30.72e6))
p = pmt.dict_add(p,pmt.intern('rx_time'),pmt.make_tuple(
pmt.from_uint64(0),pmt.from_double(0)))
p = pmt.dict_add(p,pmt.intern('fname'),pmt.intern(fname))
# blocks
emitter = pdu_utils.message_emitter(pmt.PMT_NIL)
debug = blocks.message_debug()
monitor = file_monitor(10,'/tmp')
# connect
self.tb.msg_connect((emitter,'msg'),(monitor,'pdu'))
# set up fg - terrible hacky way of doing this until we get
# pdu utility message emitter working
self.tb.start()
emitter.emit(p)
time.sleep(.05)
self.tb.stop()
self.tb.wait()
# check data
self.assertTrue(not os.path.exists(fname))
def setUp(self):
self.rate = 250000
self.duration = int(self.rate * 4)
self.start_time = .098765
self.skey = pmt.intern("trigger_sample")
self.tkey = pmt.intern("trigger_time")
self.tb = gr.top_block()
self.src = blocks.vector_source_c(list(range(self.duration)), False, 1,
[])
self.throttle = blocks.throttle(gr.sizeof_gr_complex * 1, self.rate)
self.emitter = pdu_utils.message_emitter(pmt.PMT_NIL)
self.start_time = .098765
self.utag = timing_utils.add_usrp_tags_c(1090e6, self.rate, 0,
self.start_time)
#self.tag_dbg = blocks.tag_debug(gr.sizeof_gr_complex*1, '', "");
self.msg_dbg = blocks.message_debug()
self.timer = timing_utils.interrupt_emitter_c(self.rate, True)
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.connect((self.utag, 0), (self.timer, 0))
self.tb.msg_connect((self.emitter, "msg"), (self.timer, "set"))
self.tb.msg_connect((self.timer, "trig"), (self.msg_dbg, "store"))
def test_002_pass_empty (self):
emitter = pdu_utils.message_emitter()
split = pdu_utils.pdu_split(True)
d1 = blocks.message_debug()
d2 = blocks.message_debug()
self.tb.msg_connect((emitter, 'msg'), (split, 'pdu_in'))
self.tb.msg_connect((split, 'dict'), (d1, 'store'))
self.tb.msg_connect((split, 'data'), (d2, 'store'))
in_meta1 = pmt.dict_add(pmt.make_dict(), pmt.intern('num'), pmt.from_long(4))
in_meta2 = pmt.dict_add(pmt.make_dict(), pmt.intern('n'), pmt.from_long(99))
in_pdu = pmt.cons(in_meta1, pmt.init_u8vector(6, range(6)))
self.tb.start()
time.sleep(.001)
emitter.emit(pmt.intern("MALFORMED PDU"))
time.sleep(.001)
emitter.emit(pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(2, range(2))))
time.sleep(.001)
emitter.emit(pmt.cons(in_meta2, pmt.init_u8vector(0, [])))
time.sleep(.001)
emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
self.assertTrue(pmt.equal(d1.get_message(0), pmt.PMT_NIL))
self.assertTrue(pmt.equal(d1.get_message(1), in_meta2))
self.assertTrue(pmt.equal(d1.get_message(2), in_meta1))
self.assertTrue(pmt.equal(d2.get_message(0), pmt.init_u8vector(2, range(2))))
self.assertTrue(pmt.equal(d2.get_message(1), pmt.init_u8vector(0, [])))
self.assertTrue(pmt.equal(d2.get_message(2), pmt.init_u8vector(6, range(6))))
def test_002_uint8_metadata_header(self):
emitter = pdu_utils.message_emitter()
writer = csv_writer('/tmp/file.csv', True, '', 'uint8')
# generate pdu
metadata = pmt.dict_add(pmt.make_dict(), pmt.intern('a'),
pmt.intern('a'))
metadata = pmt.dict_add(metadata, pmt.intern('b'), pmt.from_long((0)))
data = pmt.init_u8vector(5, [11, 12, 13, 14, 15])
pdu = pmt.cons(metadata, data)
# expected will only have intern strings
metadata = pmt.dict_add(pmt.make_dict(), pmt.intern('a'),
pmt.intern('a'))
metadata = pmt.dict_add(metadata, pmt.intern('b'), pmt.intern('0'))
expected = pmt.cons(metadata, data)
# run
tb = gr.top_block()
tb.msg_connect((emitter, 'msg'), (writer, 'in'))
tb.start()
emitter.emit(expected)
time.sleep(.5)
tb.stop()
tb.wait()
# read in csv
self.assertTrue(
self.check_file('/tmp/file.csv', expected, has_header=True))
def test_008_time_tuple(self):
emitter = pdu_utils.message_emitter()
writer = csv_writer('/tmp/file.csv',
True,
'time(time_tuple)',
'uint8',
precision=4)
# generate time pair pdu
time_tuple = pmt.make_tuple(pmt.from_uint64(1), pmt.from_double(0.0))
metadata = pmt.dict_add(pmt.make_dict(), pmt.intern('time'),
time_tuple)
expected = pmt.cons(metadata, pmt.PMT_NIL)
# run
tb = gr.top_block()
tb.msg_connect((emitter, 'msg'), (writer, 'in'))
tb.start()
emitter.emit(expected)
time.sleep(.5)
tb.stop()
tb.wait()
# read in csv
self.assertTrue(
self.check_file('/tmp/file.csv',
expected,
data_type='uint8',
has_header=True))
def test_006_precision(self):
emitter = pdu_utils.message_emitter()
writer = csv_writer('/tmp/file.csv', False, '', 'float', precision=4)
# generate pdu
metadata = pmt.PMT_NIL
data = pmt.init_f32vector(2, [1.111111] * 2)
sent = pmt.cons(metadata, data)
expected = pmt.cons(pmt.PMT_NIL, pmt.init_f32vector(2, [1.1111] * 2))
# run
tb = gr.top_block()
tb.msg_connect((emitter, 'msg'), (writer, 'in'))
tb.start()
emitter.emit(expected)
time.sleep(.5)
tb.stop()
tb.wait()
# read in csv
self.assertTrue(
self.check_file('/tmp/file.csv',
expected,
data_type='float',
has_header=False))
def setUp (self):
self.tb = gr.top_block ()
self.emitter = pdu_utils.message_emitter()
self.pack = pdu_utils.pack_unpack(pdu_utils.MODE_PACK_BYTE, pdu_utils.BIT_ORDER_MSB_FIRST)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.pack, 'pdu_in'))
self.tb.msg_connect((self.pack, 'pdu_out'), (self.debug, 'store'))
def XX_test_002_tag_immediately(self):
# tune message
tune = pmt.dict_add(pmt.make_dict(), pmt.intern('freq'),
pmt.from_double(100))
# blocks
src = blocks.null_source(gr.sizeof_gr_complex * 1)
throttle = blocks.throttle(gr.sizeof_gr_complex * 1, 32000, True)
retuner = timing_utils.timed_tag_retuner(1e6, pmt.intern("freq"), 1,
0.1)
debug = sandia_utils.sandia_tag_debug(gr.sizeof_gr_complex * 1, '', "",
True)
emitter = pdu_utils.message_emitter()
debug.set_display(True)
self.tb.connect(src, throttle)
self.tb.connect(throttle, retuner)
self.tb.connect(retuner, debug)
self.tb.msg_connect((emitter, 'msg'), (retuner, 'command'))
self.tb.start()
time.sleep(.1)
emitter.emit(tune)
time.sleep(.1)
self.tb.stop()
# assert
self.assertEqual(debug.num_tags(), 1)
tag = debug.get_tag(0)
self.assertTrue(pmt.equal(tag.key, pmt.intern('set_freq')))
freq = pmt.to_double(tag.value)
self.assertAlmostEqual(-100, freq)
def test_coerce(self):
samp_rate = 1e6
freq_offset = -400e3
center_freq = 911e6
# blocks
self.emitter = pdu_utils.message_emitter()
self.cf = fhss_utils.cf_estimate(fhss_utils.COERCE,
[x * 1e6 for x in range(900, 930)])
self.debug = blocks.message_debug()
# connections
self.tb.msg_connect((self.emitter, 'msg'), (self.cf, 'in'))
self.tb.msg_connect((self.cf, 'out'), (self.debug, 'store'))
# data
in_data = (1 + 0j, ) * 2048
i_vec = pmt.init_c32vector(len(in_data), in_data)
out_data = np.exp(1j *
np.arange(0,
2 * np.pi *
(freq_offset / samp_rate * len(in_data)),
2 * np.pi * (freq_offset / samp_rate),
dtype=np.complex64))
e_vec = pmt.init_c32vector(len(out_data), out_data.tolist(
)) # pmt doesn't play nice with numpy sometimes, convert to list
meta = pmt.make_dict()
meta = pmt.dict_add(meta, pmt.intern("sample_rate"),
pmt.from_float(samp_rate))
meta = pmt.dict_add(meta, pmt.intern("center_frequency"),
pmt.from_float(center_freq + freq_offset))
in_pdu = pmt.cons(meta, i_vec)
e_pdu = pmt.cons(meta, e_vec)
# flowgraph
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
# parse output
#print "got ", list(pmt.to_python(pmt.cdr(self.debug.get_message(0))))
#print "got ", self.debug.get_message(0)
rcv = self.debug.get_message(0)
rcv_meta = pmt.car(rcv)
rcv_data = pmt.cdr(rcv)
rcv_cf = pmt.dict_ref(rcv_meta, pmt.intern("center_frequency"),
pmt.PMT_NIL)
# asserts
self.assertComplexTuplesAlmostEqual(
tuple(pmt.c32vector_elements(rcv_data)), tuple(out_data), 2)
self.assertTrue(pmt.equal(rcv_cf, pmt.from_float(911e6)))
def test_monte_carlo(self):
emitter = pdu_utils.message_emitter()
clock_rec = pdu_utils.pdu_clock_recovery(True)
msg_debug = blocks.message_debug()
# make connections
self.tb.msg_connect((emitter,'msg'),(clock_rec,'pdu_in'))
self.tb.msg_connect((clock_rec,'pdu_out'),(msg_debug,'store'))
# run
self.tb.start()
time.sleep(.05)
# generate and emit
for i in range(100):
n_symbols = 100
sps = 8
noise_power = 0.02 * i
original_bits = np.random.randint(0,2,n_symbols)
original_samples = original_bits*2-1
sample_rate = 1e6
symbol_rate = sample_rate/sps
data = np.repeat(original_samples, sps) + (np.random.rand(n_symbols*sps)*np.sqrt(noise_power))
meta = pmt.make_dict()
meta = pmt.dict_add(meta, self.pmt_sample_rate, pmt.from_double(1e6))
vector = pmt.init_f32vector(len(data), data)
emitter.emit(pmt.cons(meta,vector))
time.sleep(.05)
result = msg_debug.get_message(i)
result_meta = pmt.car(result)
result_vector = pmt.to_python(pmt.cdr(result))
n_errors = sum(original_bits[:len(result_vector)] ^ result_vector[:len(original_bits)])
result_rate = pmt.to_double(pmt.dict_ref(result_meta, self.pmt_symbol_rate, pmt.PMT_NIL))
#print("result is ", result_rate)
#print("we expected ", symbol_rate)
#print("result vector is", result_vector)
#print("we expected ", original_bits)
#print("num errors", n_errors)
# assert some stuff
if n_errors != 0:
print ("got bad data", i)
if (result_rate - symbol_rate) > 100:
print ("got bad rate", i)
# shut down
self.tb.stop()
self.tb.wait()
self.assertTrue(True)
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter(pmt.PMT_NIL)
self.dut = timing_utils.time_delta(pmt.intern("time_delta_ms"),
pmt.intern("wall_clock_time"))
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.dut, 'pdu_in'))
self.tb.msg_connect((self.dut, 'pdu_out'), (self.debug, 'store'))
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.ht = pdu_utils.pdu_head_tail(pdu_utils.INPUTTYPE_UNPACKED_BYTE,
16, 1)
self.d_head = blocks.message_debug()
self.d_tail = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.ht, 'pdu_in'))
self.tb.msg_connect((self.ht, 'head'), (self.d_head, 'store'))
self.tb.msg_connect((self.ht, 'tail'), (self.d_tail, 'store'))
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.drop = pdu_utils.msg_drop_random(0.5, 1)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.drop, 'pdu_in'))
self.tb.msg_connect((self.drop, 'pdu_out'), (self.debug, 'store'))
self.in_msg = pmt.PMT_T
self.n_msgs = 10000
self.tolerance = self.n_msgs * 0.01
def setUp(self):
self.tb = gr.top_block()
self.emitter = pdu_utils.message_emitter()
self.wall_clock_time = timing_utils.wall_clock_time(pmt.intern('wall_clock_time'))
self.debug = blocks.message_debug()
# make connections
self.tb.msg_connect((self.emitter, 'msg'), (self.wall_clock_time, 'pdu_in'))
self.tb.msg_connect((self.wall_clock_time, 'pdu_out'), (self.debug, 'store'))
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_rms(self):
self.emitter = pdu_utils.message_emitter()
self.cf = fhss_utils.cf_estimate(fhss_utils.RMS, [])
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.cf, 'in'))
self.tb.msg_connect((self.cf, 'out'), (self.debug, 'store'))
# original data
in_data = np.exp(1j * np.array(np.linspace(0, 1 * np.pi * .02, 20)))
i_vec = pmt.init_c32vector(len(in_data), in_data)
out_data = [(1 + 0j), (0.9999966 + 0.0026077442j),
(0.9999864 + 0.0052154697j), (0.9999694 + 0.007823161j),
(0.99994564 + 0.010430798j), (0.99991506 + 0.013038365j),
(0.99987763 + 0.015645843j), (0.99983346 + 0.018253215j),
(0.99978244 + 0.020860463j), (0.9997247 + 0.023467569j),
(0.99966 + 0.026074518j), (0.99958867 + 0.028681284j),
(0.9995105 + 0.03128786j), (0.9994256 + 0.033894222j),
(0.99933374 + 0.03650035j), (0.99923515 + 0.03910623j),
(0.9991298 + 0.04171185j), (0.99901766 + 0.044317182j),
(0.9988987 + 0.046922214j), (0.9987729 + 0.04952693j)]
e_vec = pmt.init_c32vector(len(out_data), out_data)
meta = pmt.make_dict()
meta = pmt.dict_add(meta, pmt.intern("sample_rate"),
pmt.from_float(1e6))
meta = pmt.dict_add(meta, pmt.intern("center_frequency"),
pmt.from_float(910.6e6))
in_pdu = pmt.cons(meta, i_vec)
e_pdu = pmt.cons(meta, e_vec)
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
# parse output
#print("got ", list(pmt.to_python(pmt.cdr(self.debug.get_message(0)))))
#print("got ", self.debug.get_message(0))
rcv = self.debug.get_message(0)
rcv_meta = pmt.car(rcv)
rcv_data = pmt.cdr(rcv)
rcv_cf = pmt.to_double(
pmt.dict_ref(rcv_meta, pmt.intern("center_frequency"),
pmt.PMT_NIL))
# asserts
self.assertComplexTuplesAlmostEqual(
tuple(pmt.c32vector_elements(rcv_data)), tuple(out_data), 2)
self.assertTrue(abs(rcv_cf - 910.6001e6) < 100)
def test_half_power(self):
self.emitter = pdu_utils.message_emitter()
self.cf = fhss_utils.cf_estimate(fhss_utils.HALF_POWER, [])
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.cf, 'in'))
self.tb.msg_connect((self.cf, 'out'), (self.debug, 'store'))
# original data
in_data = np.exp(1j * np.array(np.linspace(0, 1 * np.pi * .02, 20)))
i_vec = pmt.init_c32vector(len(in_data), in_data)
out_data = [(1 + 0j), (0.9999945 + 0.0033069337j),
(0.9999781 + 0.006613831j), (0.99995077 + 0.009920656j),
(0.9999125 + 0.013227372j), (0.9998633 + 0.016533945j),
(0.9998032 + 0.019840335j), (0.9997321 + 0.02314651j),
(0.99965006 + 0.026452431j), (0.99955714 + 0.029758062j),
(0.99945325 + 0.03306337j), (0.99933845 + 0.036368314j),
(0.99921274 + 0.039672863j), (0.99907607 + 0.042976975j),
(0.9989285 + 0.04628062j), (0.99877 + 0.049583755j),
(0.99860054 + 0.05288635j), (0.9984202 + 0.056188367j),
(0.9982289 + 0.059489768j), (0.9980267 + 0.06279052j)]
e_vec = pmt.init_c32vector(len(out_data), out_data)
meta = pmt.make_dict()
meta = pmt.dict_add(meta, pmt.intern("sample_rate"),
pmt.from_float(1e6))
meta = pmt.dict_add(meta, pmt.intern("center_frequency"),
pmt.from_float(910.6e6))
in_pdu = pmt.cons(meta, i_vec)
e_pdu = pmt.cons(meta, e_vec)
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
# parse output
#print "got ", list(pmt.to_python(pmt.cdr(self.debug.get_message(0))))
#print "got ", self.debug.get_message(0)
rcv = self.debug.get_message(0)
rcv_meta = pmt.car(rcv)
rcv_data = pmt.cdr(rcv)
rcv_cf = pmt.to_double(
pmt.dict_ref(rcv_meta, pmt.intern("center_frequency"),
pmt.PMT_NIL))
# asserts
self.assertComplexTuplesAlmostEqual(
tuple(pmt.c32vector_elements(rcv_data)), tuple(out_data), 2)
self.assertTrue(abs(rcv_cf - 910.6e6) < 100)
def test_coerce(self):
self.emitter = pdu_utils.message_emitter()
self.cf = fhss_utils.cf_estimate(fhss_utils.COERCE,
[x * 1e6 for x in range(900, 930)])
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.cf, 'in'))
self.tb.msg_connect((self.cf, 'out'), (self.debug, 'store'))
# original data
in_data = np.exp(1j * np.array(np.linspace(0, 10 * np.pi * 2, 20)))
i_vec = pmt.init_c32vector(len(in_data), in_data)
out_data = [(1 + 0j), (-0.9863691 - 0.16454819j),
(0.9458478 + 0.32461047j), (-0.8795409 - 0.47582325j),
(0.7892561 + 0.61406416j), (-0.67745465 - 0.7355646j),
(0.54718447 + 0.8370121j), (-0.40199703 - 0.915641j),
(0.24585037 + 0.9693079j), (-0.083001345 - 0.9965495j),
(-0.08211045 + 0.99662334j), (0.24498378 - 0.96952736j),
(-0.4011784 + 0.9160001j), (0.5464361 - 0.83750105j),
(-0.6767969 + 0.73617005j), (0.78870696 - 0.6147696j),
(-0.87911534 + 0.47660938j), (0.94555736 - 0.3254559j),
(-0.9862217 + 0.16542989j), (0.9999997 - 0.00089395075j)]
e_vec = pmt.init_c32vector(len(out_data), out_data)
meta = pmt.make_dict()
meta = pmt.dict_add(meta, pmt.intern("sample_rate"),
pmt.from_float(1e3))
meta = pmt.dict_add(meta, pmt.intern("center_frequency"),
pmt.from_float(910.6e6))
in_pdu = pmt.cons(meta, i_vec)
e_pdu = pmt.cons(meta, e_vec)
self.tb.start()
time.sleep(.001)
self.emitter.emit(in_pdu)
time.sleep(.01)
self.tb.stop()
self.tb.wait()
# parse output
#print "got ", list(pmt.to_python(pmt.cdr(self.debug.get_message(0))))
#print "got ", self.debug.get_message(0)
rcv = self.debug.get_message(0)
rcv_meta = pmt.car(rcv)
rcv_data = pmt.cdr(rcv)
rcv_cf = pmt.dict_ref(rcv_meta, pmt.intern("center_frequency"),
pmt.PMT_NIL)
# asserts
self.assertComplexTuplesAlmostEqual(
tuple(pmt.c32vector_elements(rcv_data)), tuple(out_data), 2)
self.assertTrue(pmt.equal(rcv_cf, pmt.from_float(911e6)))
def test_middle_out_metadata(self):
samp_rate = 1e6
rot_offset = 1.0 / 16.0
self.emitter = pdu_utils.message_emitter()
self.cf = fhss_utils.cf_estimate(fhss_utils.MIDDLE_OUT, [])
self.sm = self.simple_modulator()
self.rt = self.pdu_rotate(rot_offset)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.sm, 'in'))
#self.tb.msg_connect((self.cf, 'debug'), (self.debug, 'print'))
self.tb.msg_connect((self.sm, 'out'), (self.rt, 'in'))
self.tb.msg_connect((self.rt, 'out'), (self.cf, 'in'))
self.tb.msg_connect((self.cf, 'out'), (self.debug, 'store'))
# original data
in_data = [0xAA] * 10 + [0x69] * 10 + [
0x55
] * 10 # 30 bytes = 240 bits = 1920 samples
i_vec = pmt.init_u8vector(len(in_data), in_data)
fc = 100e6
meta = pmt.make_dict()
meta = pmt.dict_add(meta, pmt.intern("sample_rate"),
pmt.from_float(1e6))
meta = pmt.dict_add(meta, pmt.intern("center_frequency"),
pmt.from_float(fc))
meta = pmt.dict_add(meta, pmt.intern("noise_density"),
pmt.from_float(-105.0))
in_pdu = pmt.cons(meta, i_vec)
self.tb.start()
time.sleep(.1)
self.emitter.emit(in_pdu)
time.sleep(.1)
self.tb.stop()
self.tb.wait()
# parse output
rcv = self.debug.get_message(0)
rcv_meta = pmt.car(rcv)
rcv_data = pmt.cdr(rcv)
# asserts
rcv_cf = pmt.to_double(
pmt.dict_ref(rcv_meta, pmt.intern("center_frequency"),
pmt.PMT_NIL))
expected_cf = 100e6 + samp_rate * rot_offset # we rotated the burst 62500 Hz off
max_diff = samp_rate / 256 / 2 # half an FFT bin error allowed
#print("M-O: got ", rcv_cf - fc, " expected ", expected_cf-fc, "(diff ", rcv_cf-expected_cf, ")")
self.assertTrue(abs(rcv_cf - expected_cf) < max_diff)
