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 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_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_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.bits_per_symbol is None: arguments.bits_per_symbol = 1 n = 2 ** int(arguments.bits_per_symbol) if arguments.parameters is None or len(arguments.parameters) != n: raise ValueError("You need to give {} parameters for {} bits per symbol".format(n, int(arguments.bits_per_symbol))) 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_symbol = int(arguments.samples_per_symbol) result.bits_per_symbol = int(arguments.bits_per_symbol) result.modulation_type = arguments.modulation_type result.sample_rate = arguments.sample_rate for i, param in enumerate(arguments.parameters): if result.is_amplitude_based and param.endswith("%"): result.parameters[i] = float(param[:-1]) elif result.is_amplitude_based and not param.endswith("%"): result.parameters[i] = float(param) * 100 else: result.parameters[i] = float(param) 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_protocol_sniffer(self): samples_per_symbol = 100 center = 0.0942 noise = 0.1 tolerance = 2 modulation_type = "FSK" sample_rate = 1e6 device_name = NetworkSDRInterfacePlugin.NETWORK_SDR_NAME sniffer = ProtocolSniffer(samples_per_symbol=samples_per_symbol, center=center, center_spacing=0.1, noise=noise, tolerance=tolerance, modulation_type=modulation_type, bits_per_symbol=1, device=device_name, backend_handler=BackendHandler(), network_raw_mode=True) port = self.get_free_port() sniffer.rcv_device.set_server_port(port) self.network_sdr_plugin_sender = NetworkSDRInterfacePlugin(raw_mode=True) self.network_sdr_plugin_sender.client_port = port sniffer.sniff() QTest.qWait(10) data = ["101010", "000111", "1111000"] pause = 10 * samples_per_symbol modulator = Modulator("test") modulator.samples_per_symbol = samples_per_symbol modulator.sample_rate = sample_rate modulator.modulation_type = modulation_type modulator.parameters[1] = 20e3 modulator.parameters[0] = 10e3 packages = [] for d in data: packages.append(modulator.modulate(list(map(int, d)), pause)) # verify modulation was correct pa = ProtocolAnalyzer(None) signal = Signal("", "", sample_rate=sample_rate) signal.iq_array = IQArray.concatenate(packages) signal.modulation_type = modulation_type signal.samples_per_symbol = samples_per_symbol signal.tolerance = tolerance signal.noise_threshold = noise signal.center = center pa.signal = signal pa.get_protocol_from_signal() self.assertEqual(pa.plain_bits_str, data) # send data send_data = IQArray.concatenate(packages) self.network_sdr_plugin_sender.send_raw_data(send_data, 1) time.sleep(1) # Send enough pauses to end sniffing self.network_sdr_plugin_sender.send_raw_data(IQArray(None, np.float32, 10 * 2 * samples_per_symbol), 1) time.sleep(1) sniffer.stop() self.assertEqual(sniffer.plain_bits_str, data)
def test_protocol_sniffer(self): bit_len = 100 center = 0.0942 noise = 0.1 tolerance = 2 modulation_type = 1 sample_rate = 1e6 device_name = NetworkSDRInterfacePlugin.NETWORK_SDR_NAME sniffer = ProtocolSniffer(bit_len=bit_len, center=center, noise=noise, tolerance=tolerance, modulation_type=modulation_type, device=device_name, backend_handler=BackendHandler(), network_raw_mode=True) port = self.get_free_port() sniffer.rcv_device.set_server_port(port) self.network_sdr_plugin_sender = NetworkSDRInterfacePlugin(raw_mode=True) self.network_sdr_plugin_sender.client_port = port sniffer.sniff() QTest.qWait(10) data = ["101010", "000111", "1111000"] pause = 10 * bit_len modulator = Modulator("test") modulator.samples_per_bit = bit_len modulator.sample_rate = sample_rate modulator.modulation_type = modulation_type modulator.param_for_one = 20e3 modulator.param_for_zero = 10e3 packages = [] for d in data: packages.append(modulator.modulate(list(map(int, d)), pause)) # verify modulation was correct pa = ProtocolAnalyzer(None) signal = Signal("", "", sample_rate=sample_rate) signal._fulldata = np.concatenate(packages) signal.modulation_type = modulation_type signal.bit_len = bit_len signal.tolerance = tolerance signal.noise_threshold = noise signal.qad_center = center pa.signal = signal pa.get_protocol_from_signal() self.assertEqual(pa.plain_bits_str, data) # send data send_data = np.concatenate(packages) self.network_sdr_plugin_sender.send_raw_data(send_data, 1) time.sleep(1) # Send enough pauses to end sniffing self.network_sdr_plugin_sender.send_raw_data(np.zeros(10 * bit_len, dtype=np.complex64), 1) time.sleep(1) sniffer.stop() self.assertEqual(sniffer.plain_bits_str, data)
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_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()
def read_modulators_from_file(self, filename: str): if not filename: return [] tree = ET.parse(filename) root = tree.getroot() result = [] for mod_tag in root.iter("modulator"): mod = Modulator(mod_tag.attrib["name"]) mod.carrier_freq_hz = float(mod_tag.attrib["carrier_freq_hz"]) mod.carrier_amplitude = float(mod_tag.attrib["carrier_amplitude"]) mod.carrier_phase_deg = float(mod_tag.attrib["carrier_phase_deg"]) mod.modulation_type = int(mod_tag.attrib["modulation_type"]) mod.sample_rate = float(mod_tag.attrib["sample_rate"]) mod.param_for_one = float(mod_tag.attrib["param_for_one"]) mod.param_for_zero = float(mod_tag.attrib["param_for_zero"]) result.append(mod) return result
# 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 = "PSK" modulator.parameters[0] = 0 modulator.parameters[1] = 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)) mag_wvlt = np.abs(cwt_haar(data, scale=scale)) norm_mag_wvlt = np.abs(cwt_haar(data / np.abs(data), scale=scale))
# 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)) mag_wvlt = np.abs(cwt_haar(data, scale=scale)) norm_mag_wvlt = np.abs(cwt_haar(data / np.abs(data), scale=scale))