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 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_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))