def test_cli_modulate_messages(self):
modulator = Modulator("test")
modulator.sample_rate = 2e3
modulator.samples_per_bit = 100
modulator.modulation_type_str = "ASK"
modulator.param_for_zero = 0
modulator.param_for_one = 100
bits = "1010111100001"
self.assertIsNone(urh_cli.modulate_messages([], modulator))
message = Message.from_plain_bits_str(bits, pause=1000)
modulated = urh_cli.modulate_messages([message], modulator)
# Demodulate for testing
s = Signal("", "", modulation="ASK", sample_rate=2e6)
s.bit_len = 100
s.noise_threshold = 0
s._fulldata = modulated
pa = ProtocolAnalyzer(s)
pa.get_protocol_from_signal()
self.assertEqual(len(pa.messages), 1)
self.assertEqual(pa.messages[0].plain_bits_str, bits)
def build_modulator_from_args(arguments: argparse.Namespace):
if arguments.raw:
return None
if arguments.parameter_zero is None:
raise ValueError("You need to give a modulation parameter for zero (-p0, --parameter-zero)")
if arguments.parameter_one is None:
raise ValueError("You need to give a modulation parameter for one (-p1, --parameter-one)")
result = Modulator("CLI Modulator")
result.carrier_freq_hz = float(arguments.carrier_frequency)
result.carrier_amplitude = float(arguments.carrier_amplitude)
result.carrier_phase_deg = float(arguments.carrier_phase)
result.samples_per_bit = int(arguments.bit_length)
if arguments.modulation_type == "ASK":
if arguments.parameter_zero.endswith("%"):
param_zero = float(arguments.parameter_zero[:-1])
else:
param_zero = float(arguments.parameter_zero) * 100
if arguments.parameter_one.endswith("%"):
param_one = float(arguments.parameter_one[:-1])
else:
param_one = float(arguments.parameter_one) * 100
else:
param_zero = float(arguments.parameter_zero)
param_one = float(arguments.parameter_one)
result.param_for_zero = param_zero
result.param_for_one = param_one
result.modulation_type_str = arguments.modulation_type
result.sample_rate = arguments.sample_rate
return result
def build_modulator_from_args(arguments: argparse.Namespace):
if arguments.raw:
return None
if arguments.parameter_zero is None:
raise ValueError("You need to give a modulation parameter for zero (-p0, --parameter-zero)")
if arguments.parameter_one is None:
raise ValueError("You need to give a modulation parameter for one (-p1, --parameter-one)")
result = Modulator("CLI Modulator")
result.carrier_freq_hz = float(arguments.carrier_frequency)
result.carrier_amplitude = float(arguments.carrier_amplitude)
result.carrier_phase_deg = float(arguments.carrier_phase)
result.samples_per_bit = int(arguments.bit_length)
if arguments.modulation_type == "ASK":
if arguments.parameter_zero.endswith("%"):
param_zero = float(arguments.parameter_zero[:-1])
else:
param_zero = float(arguments.parameter_zero) * 100
if arguments.parameter_one.endswith("%"):
param_one = float(arguments.parameter_one[:-1])
else:
param_one = float(arguments.parameter_one) * 100
else:
param_zero = float(arguments.parameter_zero)
param_one = float(arguments.parameter_one)
result.param_for_zero = param_zero
result.param_for_one = param_one
result.modulation_type_str = arguments.modulation_type
result.sample_rate = arguments.sample_rate
return result
def test_plot(self):
modulator = Modulator("gfsk")
modulator.modulation_type_str = "GFSK"
modulator.samples_per_bit = 100
modulator.sample_rate = 1e6
modulator.param_for_one = 20e3
modulator.param_for_zero = 10e3
modulator.carrier_freq_hz = 15e3
modulator.carrier_phase_deg = 90
modulated_samples = modulator.modulate([True, False, True, False, False], 77)
data = copy.deepcopy(modulated_samples)
modulated_samples = modulator.modulate([False, True, True, True, True, False, True], 100, start=len(data))
data = np.concatenate((data, modulated_samples))
plt.subplot(2, 1, 1)
axes = plt.gca()
axes.set_ylim([-2,2])
plt.plot(data.real)
plt.title("Modulated Wave")
plt.subplot(2, 1, 2)
qad = signal_functions.afp_demod(np.ascontiguousarray(data), 0, 1)
plt.plot(qad)
plt.title("Quad Demod")
plt.show()
def test_cli_modulate_messages(self):
modulator = Modulator("test")
modulator.sample_rate = 2e3
modulator.samples_per_bit = 100
modulator.modulation_type_str = "ASK"
modulator.param_for_zero = 0
modulator.param_for_one = 100
bits = "1010111100001"
self.assertIsNone(urh_cli.modulate_messages([], modulator))
message = Message.from_plain_bits_str(bits, pause=1000)
modulated = urh_cli.modulate_messages([message], modulator)
# Demodulate for testing
s = Signal("", "", modulation="ASK", sample_rate=2e6)
s.bit_len = 100
s.noise_threshold = 0
s.iq_array = modulated
pa = ProtocolAnalyzer(s)
pa.get_protocol_from_signal()
self.assertEqual(len(pa.messages), 1)
self.assertEqual(pa.messages[0].plain_bits_str, bits)
def test_plot(self):
modulator = Modulator("gfsk")
modulator.modulation_type_str = "GFSK"
modulator.samples_per_bit = 100
modulator.sample_rate = 1e6
modulator.param_for_one = 20e3
modulator.param_for_zero = 10e3
modulator.carrier_freq_hz = 15e3
modulator.carrier_phase_deg = 90
modulator.modulate([True, False, True, False, False], 77)
data = copy.deepcopy(modulator.modulated_samples)
modulator.modulate([False, True, True, True, True, False, True],
100,
start=len(data))
data = np.concatenate((data, modulator.modulated_samples))
plt.subplot(2, 1, 1)
axes = plt.gca()
axes.set_ylim([-2, 2])
plt.plot(data.real)
plt.title("Modulated Wave")
plt.subplot(2, 1, 2)
qad = signalFunctions.afp_demod(np.ascontiguousarray(data), 0, 1)
plt.plot(qad)
plt.title("Quad Demod")
plt.show()
def test_psk_detection(self):
modulator = Modulator("")
modulator.modulation_type_str = "PSK"
modulator.param_for_zero = 0
modulator.param_for_one = 180
data = modulator.modulate("10101010111000")
mod = AutoInterpretation.detect_modulation(data)
self.assertEqual(mod, "PSK")
def test_psk_detection(self):
modulator = Modulator("")
modulator.modulation_type_str = "PSK"
modulator.param_for_zero = 0
modulator.param_for_one = 180
data = modulator.modulate("10101010111000")
mod = AutoInterpretation.detect_modulation(data)
self.assertEqual(mod, "PSK")
def test_fsk_performance():
bit_data = "10" * 100 + "0000011111" + "001101011" * 100 + "111111100000" * 100
modulator = Modulator("Perf")
modulator.modulation_type_str = "FSK"
t = time.time()
result = modulator.modulate(bit_data, pause=10000000)
elapsed = time.time() - t
result.tofile("/tmp/fsk.complex")
print("FSK {}ms".format(elapsed * 1000))
def test_fsk_performance():
bit_data = "10" * 100 + "0000011111" + "001101011" * 100 + "111111100000" * 100
modulator = Modulator("Perf")
modulator.modulation_type_str = "FSK"
t = time.time()
result = modulator.modulate(bit_data, pause=10000000)
elapsed = time.time() - t
result.tofile("/tmp/fsk.complex")
print("FSK {}ms".format(elapsed * 1000))
def test_segmentation_ask_50(self):
modulator = Modulator("ask50")
modulator.modulation_type_str = "ASK"
modulator.param_for_zero = 50
modulator.param_for_one = 100
modulator.samples_per_bit = 100
msg1 = modulator.modulate("1010101111", pause=10000)
msg2 = modulator.modulate("1010101110010101", pause=20000)
msg3 = modulator.modulate("1010101010101111", pause=30000)
data = IQArray.concatenate((msg1, msg2, msg3))
segments = segment_messages_from_magnitudes(data.magnitudes,
noise_threshold=0)
self.assertEqual(len(segments), 3)
self.assertEqual(segments, [(0, 999), (10999, 12599), (32599, 34199)])
def test_gfsk(self):
target_file = os.path.join(tempfile.gettempdir(), "test.complex")
modulator = Modulator("gfsk")
modulator.modulation_type_str = "FSK"
modulator.samples_per_bit = 100
modulator.sample_rate = 1e6
modulator.param_for_one = 20e3
modulator.param_for_zero = -10e3
data1 = modulator.modulate([True, False, False, True, False], 9437)
data2 = modulator.modulate([True, False, True], 9845) #, start=len(s))
data3 = modulator.modulate([True, False, True, False], 8457) #, start=len(s))
s = np.concatenate((data1, data2, data3))
s.tofile(target_file)
pa = ProtocolAnalyzer(Signal(target_file, "test", modulation="FSK"))
pa.get_protocol_from_signal()
def test_gfsk(self):
modulator = Modulator("gfsk")
modulator.modulation_type_str = "FSK"
modulator.samples_per_bit = 100
modulator.sample_rate = 1e6
modulator.param_for_one = 20e3
modulator.param_for_zero = -10e3
modulator.modulate([True, False, False, True, False], 9437)
s = modulator.modulated_samples
modulator.modulate([True, False, True], 9845) #, start=len(s))
s = np.concatenate((s, modulator.modulated_samples))
modulator.modulate([True, False, True, False], 8457) #, start=len(s))
s = np.concatenate((s, modulator.modulated_samples))
s.tofile("/tmp/test.complex")
pa = ProtocolAnalyzer(Signal("/tmp/test.complex", "test", modulation="FSK"))
pa.get_protocol_from_signal()
def test_segmentation_ask_50(self):
modulator = Modulator("ask50")
modulator.modulation_type_str = "ASK"
modulator.param_for_zero = 50
modulator.param_for_one = 100
modulator.samples_per_bit = 100
msg1 = modulator.modulate("1010101111", pause=10000)
msg2 = modulator.modulate("1010101110010101", pause=20000)
msg3 = modulator.modulate("1010101010101111", pause=30000)
data = np.concatenate((msg1, msg2, msg3))
segments = segment_messages_from_magnitudes(np.abs(data), noise_threshold=0)
print(segments)
self.assertEqual(len(segments), 3)
self.assertEqual(segments, [(0, 999), (10999, 12599), (32599, 34199)])
print(merge_message_segments_for_ook(segments))
def test_gfsk(self):
target_file = os.path.join(tempfile.gettempdir(), "test.complex")
modulator = Modulator("gfsk")
modulator.modulation_type_str = "FSK"
modulator.samples_per_symbol = 100
modulator.sample_rate = 1e6
modulator.param_for_one = 20e3
modulator.param_for_zero = -10e3
data1 = modulator.modulate([True, False, False, True, False], 9437)
data2 = modulator.modulate([True, False, True], 9845) #, start=len(s))
data3 = modulator.modulate([True, False, True, False],
8457) #, start=len(s))
s = np.concatenate((data1, data2, data3))
s.tofile(target_file)
pa = ProtocolAnalyzer(Signal(target_file, "test", modulation="FSK"))
pa.get_protocol_from_signal()
# data = np.fromfile("/home/joe/GIT/urh/tests/data/enocean.complex", dtype=np.complex64)[9724:10228]
data = np.fromfile("/home/joe/GIT/publications/ainterpretation/experiments/signals/esaver_test4on.complex",
dtype=np.complex64)[86452:115541]
# data = np.fromfile("/home/joe/GIT/urh/tests/data/action_ook.complex", dtype=np.complex64)[3780:4300]
# data = np.fromfile("/home/joe/GIT/urh/tests/data/ask50.complex", dtype=np.complex64)
# Wavelet transform the data
# data = np.fromfile("/home/joe/GIT/urh/tests/data/ask.complex", dtype=np.complex64)[0:2 ** 13]
# data = np.fromfile("/tmp/generated.complex", dtype=np.complex64)
# data = np.fromfile("/tmp/psk.complex", dtype=np.complex64)
# data = np.fromfile("/home/joe/GIT/urh/tests/data/psk_generated.complex", dtype=np.complex64)[0:8000]
modulator = Modulator("")
modulator.modulation_type_str = "PSK"
modulator.param_for_zero = 0
modulator.param_for_one = 180
modulator.carrier_freq_hz = 5e3
modulator.sample_rate = 200e3
# data = modulator.modulate("1010", pause=0)
# data = np.fromfile("/tmp/ask25.complex", dtype=np.complex64)
# data = np.fromfile("/tmp/ask1080.complex", dtype=np.complex64)
scale = 4
median_filter_order = 11
data = data[np.abs(data) > 0]
# Normalize with max of data to prevent increasing variance for signals with lower amplitude
data = data / np.abs(np.max(data))
data = np.fromfile(
"/home/joe/GIT/publications/ainterpretation/experiments/signals/esaver_test4on.complex",
dtype=np.complex64)[86452:115541]
# data = np.fromfile("/home/joe/GIT/urh/tests/data/action_ook.complex", dtype=np.complex64)[3780:4300]
# data = np.fromfile("/home/joe/GIT/urh/tests/data/ask50.complex", dtype=np.complex64)
# Wavelet transform the data
# data = np.fromfile("/home/joe/GIT/urh/tests/data/ask.complex", dtype=np.complex64)[0:2 ** 13]
# data = np.fromfile("/tmp/generated.complex", dtype=np.complex64)
# data = np.fromfile("/tmp/psk.complex", dtype=np.complex64)
# data = np.fromfile("/home/joe/GIT/urh/tests/data/psk_generated.complex", dtype=np.complex64)[0:8000]
modulator = Modulator("")
modulator.modulation_type_str = "PSK"
modulator.param_for_zero = 0
modulator.param_for_one = 180
modulator.carrier_freq_hz = 5e3
modulator.sample_rate = 200e3
# data = modulator.modulate("1010", pause=0)
# data = np.fromfile("/tmp/ask25.complex", dtype=np.complex64)
# data = np.fromfile("/tmp/ask1080.complex", dtype=np.complex64)
scale = 4
median_filter_order = 11
data = data[np.abs(data) > 0]
# Normalize with max of data to prevent increasing variance for signals with lower amplitude
data = data / np.abs(np.max(data))