def __init__(self, options):
gr.top_block.__init__(self, "GPS-SDR-SIM")
##################################################
# Blocks
##################################################
self.uhd_usrp_sink = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink.set_samp_rate(options.sample_rate)
self.uhd_usrp_sink.set_center_freq(options.frequency, 0)
self.uhd_usrp_sink.set_gain(options.gain, 0)
# a file source for the file generated by the gps-sdr-sim
self.blocks_file_source = blocks.file_source(gr.sizeof_char*1, options.filename, True)
# convert from signed bytes to short
self.blocks_char_to_short = blocks.char_to_short(1)
# convert from interleaved short to complex values
self.blocks_interleaved_short_to_complex = blocks.interleaved_short_to_complex(False, False)
# establish the connections
self.connect((self.blocks_file_source, 0), (self.blocks_char_to_short, 0))
self.connect((self.blocks_char_to_short, 0), (self.blocks_interleaved_short_to_complex, 0))
self.connect((self.blocks_interleaved_short_to_complex, 0), (self.uhd_usrp_sink, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 125e6
##################################################
# Blocks
##################################################
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=500e6,
dynamic_range=40,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.Add(self.wxgui_waterfallsink2_0.win)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=3,
decimation=125,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=48,
decimation=30,
taps=None,
fractional_bw=None,
)
self.low_pass_filter_0 = filter.fir_filter_ccf(10, firdes.low_pass(
1, 3e6, 5e3, 8e3, firdes.WIN_HAMMING, 6.76))
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(False, False)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_short*1, "/dev/langford", True)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=30000,
quad_rate=300000,
tau=75e-6,
max_dev=5e3,
)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_nbfm_rx_0, 0))
self.connect((self.analog_nbfm_rx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.low_pass_filter_0, 0))
def test_interleaved_short_to_complex(self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_data = (1+2j, 3+4j, 5+6j, 7+8j, 9+10j)
src = blocks.vector_source_s(src_data)
op = blocks.interleaved_short_to_complex()
dst = blocks.vector_sink_c()
self.tb.connect(src, op, dst)
self.tb.run()
self.assertEqual(expected_data, dst.data())
def __init__(self, channel_num=22, decim=50, directory="./", f_offset=0, fc=947.4e6, out_directory="./", samp_rate=25e6):
gr.top_block.__init__(self, "Get Channel")
##################################################
# Parameters
##################################################
self.channel_num = channel_num
self.decim = decim
self.directory = directory
self.f_offset = f_offset
self.fc = fc
self.out_directory = out_directory
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.SDCCH = SDCCH = 6
self.RACH = RACH = 3
self.PCH = PCH = 5
self.CHANNEL_UNKNOWN = CHANNEL_UNKNOWN = 0
self.CCCH = CCCH = 2
self.BCCH = BCCH = 1
self.AGCH = AGCH = 4
##################################################
# Blocks
##################################################
self.pfb_decimator_ccf_0 = pfb.decimator_ccf(
decim,
(),
0,
100,
True,
True)
self.pfb_decimator_ccf_0.declare_sample_delay(0)
self.blocks_rotator_cc_0 = blocks.rotator_cc(-2*math.pi*(arfcn.get_freq_from_arfcn(channel_num,'e')-fc+f_offset)/samp_rate)
self.blocks_interleaved_short_to_complex_1 = blocks.interleaved_short_to_complex(False, False)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_short*1, "/home/piotr/Odbiornik_gsm/Hopping/test_data/nagranie_hopping_4", False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, ""+out_directory+"/fc_"+ str(channel_num) +".cfile", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_interleaved_short_to_complex_1, 0))
self.connect((self.blocks_interleaved_short_to_complex_1, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.blocks_rotator_cc_0, 0), (self.pfb_decimator_ccf_0, 0))
self.connect((self.pfb_decimator_ccf_0, 0), (self.blocks_file_sink_0, 0))
def __init__(self, channels, resamp_rate, fc, band, samp_rate, input_file, dest_dir, data_type="complex"):
gr.top_block.__init__(self, "grgsm_channelize")
##################################################
# Parameters
##################################################
self.channels = channels
self.resamp_rate = resamp_rate
self.fc = fc
self.band = band
self.samp_rate = samp_rate
self.blocks_resamplers = {}
self.blocks_rotators = {}
self.blocks_file_sinks = {}
##################################################
# Blocks and connections
##################################################
self.source = None
if data_type == "ishort":
self.blocks_file_source = blocks.file_source(gr.sizeof_short, input_file, False)
self.source = blocks.interleaved_short_to_complex(False, False)
self.connect((self.blocks_file_source, 0), (self.source, 0))
elif data_type == "complex":
self.source = blocks.file_source(gr.sizeof_gr_complex, input_file, False)
fc_str = eng_notation.num_to_str(fc)
print("Extracting channels %s, given center frequency at %sHz (ARFCN %d)" % (str(ca), fc_str, center_arfcn))
for channel in channels:
channel_freq = arfcn.arfcn2downlink(channel, band)
if channel_freq is None:
print("Warning: invalid ARFCN %d for band %s" % (channel, band))
continue
freq_diff = channel_freq - fc
freq_diff_str = "+" if 0 <= freq_diff else ""
freq_diff_str += eng_notation.num_to_str(freq_diff)
print("ARFCN %d is at %sHz %sHz" % (channel, fc_str, freq_diff_str))
self.blocks_resamplers[channel] = pfb.arb_resampler_ccf( resamp_rate, taps=None, flt_size=32)
self.blocks_rotators[channel] = blocks.rotator_cc(-2*math.pi*(freq_diff)/samp_rate)
self.connect( (self.source, 0), (self.blocks_rotators[channel], 0) )
self.connect( (self.blocks_rotators[channel], 0), (self.blocks_resamplers[channel], 0) )
self.blocks_file_sinks[channel] = blocks.file_sink(gr.sizeof_gr_complex, dest_dir+"/out_" + str(channel) + ".cfile", False)
self.blocks_file_sinks[channel].set_unbuffered(False)
self.connect((self.blocks_resamplers[channel], 0), (self.blocks_file_sinks[channel], 0))
def __init__(self, filename="0.dat", freq=90.1e6, samp_rate=1e6):
gr.top_block.__init__(self, "Fm Receiver")
##################################################
# Parameters
##################################################
self.filename = filename
self.freq = freq
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.gain = gain = 30
self.audio_rate = audio_rate = 48e3
self.audio_interp = audio_interp = 4
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=int(audio_rate*audio_interp),
decimation=int(samp_rate),
taps=None,
fractional_bw=None,
)
self.low_pass_filter_0 = filter.interp_fir_filter_fff(1, firdes.low_pass(
1, int(audio_rate), 800, 100, firdes.WIN_HAMMING, 6.76))
self.blocks_wavfile_sink_0 = blocks.wavfile_sink("wav_out.wav", 1, int(audio_rate), 8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(False, False)
self.blocks_file_source_0_0 = blocks.file_source(gr.sizeof_short*1, filename, False)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=int(audio_rate*audio_interp),
audio_decimation=int(audio_interp),
)
##################################################
# Connections
##################################################
self.connect((self.analog_wfm_rcv_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_file_source_0_0, 0), (self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.blocks_wavfile_sink_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_wfm_rcv_0, 0))
def __init__(self, config):
gr.top_block.__init__(self)
## Vars ##
## Interleaved Short input (sc16)
if config["intype"] == SNAME_TO_ENUM["sc16"]:
fsrc = blocks.file_source(gr.sizeof_short * 1, config["infile"], False)
# SEEK_SET is offset from beginning, sample_offset is in samples
# Factor of 2 because vector of length 2 (since interleaved)
fsrc.seek(config["sample_offset"] * 2, os.SEEK_SET)
# sc16->fc32
if config["outtype"] == SNAME_TO_ENUM["fc32"]:
ishort_to_cpxfloat = blocks.interleaved_short_to_complex(False, False)
# Copies sample_len then exits
head = blocks.head(gr.sizeof_gr_complex * 1, config["sample_len"])
fsink = blocks.file_sink(gr.sizeof_gr_complex * 1, config["outfile"])
self.connect(fsrc, ishort_to_cpxfloat, head, fsink)
# sc16->sc16
elif config["outtype"] == SNAME_TO_ENUM["sc16"]:
head = blocks.head(gr.sizeof_short, config["sample_len"])
fsink = blocks.file_sink(gr.sizeof_short, config["outfile"])
self.connect(fsrc, head, fsink)
## Complex float input (fc32)
elif config["intype"] == SNAME_TO_ENUM["fc32"]:
fsrc = blocks.file_source(gr.sizeof_gr_complex * 1, config["infile"], False)
# SEEK_SET is offset from beginning, sample_offset is in samples
fsrc.seek(config["sample_offset"], os.SEEK_SET)
# fc32->fc32
if config["outtype"] == SNAME_TO_ENUM["fc32"]:
head = blocks.head(gr.sizeof_gr_complex * 1, config["sample_len"])
fsink = blocks.file_sink(gr.sizeof_gr_complex * 1, config["outfile"])
self.connect(fsrc, head, fsink)
# fc32->sc16
elif config["outtype"] == SNAME_TO_ENUM["sc16"]:
cpxfloat_to_ishort = blocks.complex_to_interleaved_short(False)
head = blocks.head(gr.sizeof_gr_complex * 1, config["sample_len"])
fsink = blocks.file_sink(gr.sizeof_short, config["outfile"])
self.connect(fsrc, head, cpxfloat_to_ishort, fsink)
def __init__(self,
bins=8196,
display_integration=2,
freq=150e6,
gain=20,
samp_rate=25e6):
grc_wxgui.top_block_gui.__init__(self, title="B210 2 Dual")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.bins = bins
self.display_integration = display_integration
self.freq = freq
self.gain = gain
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.timenow = timenow = datetime.now().strftime("%Y%m%d_%H%M%S")
self.prefix = prefix = "/home/ggancio/obs/gnur/"
self.raw_b = raw_b = prefix + timenow + "_" + str(bins) + "_raw_b.dat"
self.raw_a = raw_a = prefix + timenow + "_" + str(bins) + "_raw_a.dat"
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", '')),
uhd.stream_args(
cpu_format="sc16",
otw_format='sc8',
channels=range(2),
),
)
self.uhd_usrp_source_0.set_clock_source('external', 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_bandwidth(samp_rate, 0)
self.uhd_usrp_source_0.set_center_freq(freq, 1)
self.uhd_usrp_source_0.set_gain(gain, 1)
self.fft_vxx_0_0 = fft.fft_vcc(bins, True,
(window.blackmanharris(bins)), True, 1)
self.fft_vxx_0 = fft.fft_vcc(bins, True, (window.blackmanharris(bins)),
True, 1)
self.blocks_stream_to_vector_0_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, bins)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, bins)
self.blocks_nlog10_ff_0_0_0 = blocks.nlog10_ff(10, bins, 0)
self.blocks_nlog10_ff_0_0 = blocks.nlog10_ff(10, bins, 0)
self.blocks_multiply_conjugate_cc_0_0 = blocks.multiply_conjugate_cc(
bins)
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(
bins)
self.blocks_interleaved_short_to_complex_0_0 = blocks.interleaved_short_to_complex(
True, False)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
True, False)
self.blocks_integrate_xx_0_0 = blocks.integrate_ff(
int(display_integration * samp_rate / bins), bins)
self.blocks_integrate_xx_0 = blocks.integrate_ff(
int(display_integration * samp_rate / bins), bins)
self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_float * bins,
raw_b, False)
self.blocks_file_sink_0_0.set_unbuffered(True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float * bins,
raw_a, False)
self.blocks_file_sink_0.set_unbuffered(True)
self.blocks_complex_to_mag_squared_0_0 = blocks.complex_to_mag_squared(
bins)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(
bins)
##################################################
# Connections
##################################################
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_integrate_xx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0_0, 0),
(self.blocks_integrate_xx_0_0, 0))
self.connect((self.blocks_integrate_xx_0, 0),
(self.blocks_nlog10_ff_0_0, 0))
self.connect((self.blocks_integrate_xx_0_0, 0),
(self.blocks_nlog10_ff_0_0_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0_0, 0),
(self.blocks_stream_to_vector_0_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0_0, 0),
(self.blocks_complex_to_mag_squared_0_0, 0))
self.connect((self.blocks_nlog10_ff_0_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blocks_nlog10_ff_0_0_0, 0),
(self.blocks_file_sink_0_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.blocks_stream_to_vector_0_0, 0),
(self.fft_vxx_0_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.fft_vxx_0_0, 0),
(self.blocks_multiply_conjugate_cc_0_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.blocks_multiply_conjugate_cc_0_0, 1))
self.connect((self.uhd_usrp_source_0, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.uhd_usrp_source_0, 1),
(self.blocks_interleaved_short_to_complex_0_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Shipping Passing App")
Qt.QWidget.__init__(self)
self.setWindowTitle("Shipping Passing App")
qtgui.util.check_set_qss()
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", "audioTxRx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
self.msg_str = msg_str = "CSQ305438"
self.QPSK = QPSK = digital.constellation_calcdist(
([1 + 1j, -1 + 1j, 1 - 1j, -1 - 1j]), ([0, 1, 3, 2]), 4, 1).base()
##################################################
# Blocks
##################################################
self._msg_str_tool_bar = Qt.QToolBar(self)
self._msg_str_tool_bar.addWidget(Qt.QLabel("msg_str" + ": "))
self._msg_str_line_edit = Qt.QLineEdit(str(self.msg_str))
self._msg_str_tool_bar.addWidget(self._msg_str_line_edit)
self._msg_str_line_edit.returnPressed.connect(lambda: self.set_msg_str(
str(str(self._msg_str_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._msg_str_tool_bar)
self.tutorial_my_qpsk_demod_cb_0 = tutorial.my_qpsk_demod_cb(True)
self.tutorial_chat_sanitizer_0 = tutorial.chat_sanitizer('', '')
self.gnuShipping_shippingReciever_0 = gnuShipping.shippingReciever(
msg_str)
self.digital_crc32_async_bb_1 = digital.crc32_async_bb(False)
self.digital_crc32_async_bb_0 = digital.crc32_async_bb(True)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc(
1, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(QPSK.points()), 1)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char * 1,
samp_rate, True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, 'pdu_length')
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char * 1, '', "")
self.blocks_tag_debug_0.set_display(True)
self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
self.blocks_repack_bits_bb_1 = blocks.repack_bits_bb(
2, 8, 'pdu_length', True, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
8, 2, 'pdu_length', False, gr.GR_LSB_FIRST)
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'pdu_length')
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
False, False)
self.blocks_float_to_short_0 = blocks.float_to_short(1, 1)
self.blocks_complex_to_interleaved_short_0 = blocks.complex_to_interleaved_short(
False)
self.audio_source_0 = audio.source(samp_rate, '', True)
self.audio_sink_0 = audio.sink(samp_rate, '', True)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
(self.digital_crc32_async_bb_0, 'in'))
self.msg_connect((self.digital_crc32_async_bb_0, 'out'),
(self.gnuShipping_shippingReciever_0, 'in'))
self.msg_connect((self.digital_crc32_async_bb_1, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.digital_crc32_async_bb_1, 'out'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.tutorial_chat_sanitizer_0, 'out'),
(self.digital_crc32_async_bb_1, 'in'))
self.connect((self.audio_source_0, 0),
(self.blocks_float_to_short_0, 0))
self.connect((self.blocks_complex_to_interleaved_short_0, 0),
(self.blocks_short_to_float_0, 0))
self.connect((self.blocks_float_to_short_0, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.blocks_tag_debug_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_repack_bits_bb_1, 0),
(self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_short_to_float_0, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.blocks_throttle_0_0, 0),
(self.blocks_repack_bits_bb_1, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_complex_to_interleaved_short_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.tutorial_my_qpsk_demod_cb_0, 0))
self.connect((self.tutorial_my_qpsk_demod_cb_0, 0),
(self.blocks_throttle_0_0, 0))
def __init__(self):
gr.top_block.__init__(self)
usage=("%prog: [options] output_filename.\nSpecial output_filename" + \
"\"sdl\" will use video_sink_sdl as realtime output window. " + \
"You then need to have gr-video-sdl installed.\n" +\
"Make sure your input capture file containes interleaved " + \
"shorts not complex floats")
parser = OptionParser(option_class=eng_option, usage=usage)
parser.add_option("-a", "--args", type="string", default="",
help="UHD device address args [default=%default]")
parser.add_option("", "--spec", type="string", default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A", "--antenna", type="string", default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-s", "--samp-rate", type="eng_float", default=1e6,
help="set sample rate")
parser.add_option("-c", "--contrast", type="eng_float", default=1.0,
help="set contrast (default is 1.0)")
parser.add_option("-b", "--brightness", type="eng_float", default=0.0,
help="set brightness (default is 0)")
parser.add_option("-i", "--in-filename", type="string", default=None,
help="Use input file as source. samples must be " + \
"interleaved shorts \n Use usrp_rx_file.py or " + \
"usrp_rx_cfile.py --output-shorts.\n Special " + \
"name \"usrp\" results in realtime capturing " + \
"and processing using usrp.\n" + \
"You then probably need a decimation factor of 64 or higher.")
parser.add_option("-f", "--freq", type="eng_float", default=519.25e6,
help="set frequency to FREQ.\nNote that the frequency of the video carrier is not at the middle of the TV channel", metavar="FREQ")
parser.add_option("-g", "--gain", type="eng_float", default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("-p", "--pal", action="store_true", default=False,
help="PAL video format (this is the default)")
parser.add_option("-n", "--ntsc", action="store_true", default=False,
help="NTSC video format")
parser.add_option("-r", "--repeat", action="store_false", default=True,
help="repeat in_file in a loop")
parser.add_option("-N", "--nframes", type="eng_float", default=None,
help="number of frames to collect [default=+inf]")
parser.add_option("", "--freq-min", type="eng_float", default=50.25e6,
help="Set a minimum frequency [default=%default]")
parser.add_option("", "--freq-max", type="eng_float", default=900.25e6,
help="Set a maximum frequency [default=%default]")
(options, args) = parser.parse_args ()
if not (len(args) == 1):
parser.print_help()
sys.stderr.write('You must specify the output. FILENAME or sdl \n');
sys.exit(1)
filename = args[0]
self.tv_freq_min = options.freq_min
self.tv_freq_max = options.freq_max
if options.in_filename is None:
parser.print_help()
sys.stderr.write('You must specify the input -i FILENAME or -i usrp\n');
raise SystemExit, 1
if not (filename=="sdl"):
options.repeat=False
input_rate = options.samp_rate
print "video sample rate %s" % (eng_notation.num_to_str(input_rate))
if not (options.in_filename=="usrp"):
# file is data source, capture with usr_rx_csfile.py
self.filesource = blocks.file_source(gr.sizeof_short,
options.in_filename,
options.repeat)
self.istoc = blocks.interleaved_short_to_complex()
self.connect(self.filesource,self.istoc)
self.src=self.istoc
else:
if options.freq is None:
parser.print_help()
sys.stderr.write('You must specify the frequency with -f FREQ\n');
raise SystemExit, 1
# build the graph
self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32'))
# Set the subdevice spec
if(options.spec):
self.u.set_subdev_spec(options.spec, 0)
# Set the antenna
if(options.antenna):
self.u.set_antenna(options.antenna, 0)
self.u.set_samp_rate(input_rate)
dev_rate = self.u.get_samp_rate()
self.src=self.u
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
options.gain = float(g.start()+g.stop())/2.0
self.u.set_gain(options.gain)
r = self.u.set_center_freq(options.freq)
if not r:
sys.stderr.write('Failed to set frequency\n')
raise SystemExit, 1
self.agc = analog.agc_cc(1e-7,1.0,1.0) #1e-7
self.am_demod = blocks.complex_to_mag ()
self.set_blacklevel = blocks.add_const_ff(options.brightness +255.0)
self.invert_and_scale = blocks.multiply_const_ff(-options.contrast *128.0*255.0/(200.0))
self.f2uc = blocks.float_to_uchar()
# sdl window as final sink
if not (options.pal or options.ntsc):
options.pal=True #set default to PAL
if options.pal:
lines_per_frame=625.0
frames_per_sec=25.0
show_width=768
elif options.ntsc:
lines_per_frame=525.0
frames_per_sec=29.97002997
show_width=640
width=int(input_rate/(lines_per_frame*frames_per_sec))
height=int(lines_per_frame)
if filename=="sdl":
#Here comes the tv screen, you have to build and install
#gr-video-sdl for this (subproject of gnuradio)
try:
video_sink = video_sdl.sink_uc(frames_per_sec, width, height, 0,
show_width,height)
except:
print "gr-video-sdl is not installed"
print "realtime \"sdl\" video output window is not available"
raise SystemExit, 1
self.dst=video_sink
else:
print "You can use the imagemagick display tool to show the resulting imagesequence"
print "use the following line to show the demodulated TV-signal:"
print "display -depth 8 -size " +str(width)+ "x" + str(height) + " gray:" +filename
print "(Use the spacebar to advance to next frames)"
file_sink = blocks.file_sink(gr.sizeof_char, filename)
self.dst =file_sink
if options.nframes is None:
self.connect(self.src, self.agc)
else:
self.head = blocks.head(gr.sizeof_gr_complex, int(options.nframes*width*height))
self.connect(self.src, self.head, self.agc)
self.connect (self.agc, self.am_demod, self.invert_and_scale,
self.set_blacklevel, self.f2uc, self.dst)
def __init__(self, fifo='/tmp/rx_samples.bin', frequency=1e9, sample_rate=2000000):
gr.top_block.__init__(self, "bladeRF FIFO RX")
Qt.QWidget.__init__(self)
self.setWindowTitle("bladeRF FIFO RX")
qtgui.util.check_set_qss()
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", "bladeRF_fifo_rx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.fifo = fifo
self.frequency = frequency
self.sample_rate = sample_rate
##################################################
# Variables
##################################################
self.sample_rate_range = sample_rate_range = sample_rate
self.frequency_range = frequency_range = frequency
##################################################
# Blocks
##################################################
self._sample_rate_range_range = Range(160e3, 40e6, 1e6, sample_rate, 200)
self._sample_rate_range_win = RangeWidget(self._sample_rate_range_range, self.set_sample_rate_range, 'Sample Rate', "counter", float)
self.top_grid_layout.addWidget(self._sample_rate_range_win, 0, 0, 1, 1)
self._frequency_range_range = Range(300e6, 3.8e9, 1e6, frequency, 200)
self._frequency_range_win = RangeWidget(self._frequency_range_range, self.set_frequency_range, 'Frequency', "counter", float)
self.top_grid_layout.addWidget(self._frequency_range_win, 0, 1, 1, 1)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
frequency_range, #fc
sample_rate_range, #bw
"", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0/10)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_win, 1, 0, 1, 8)
self.qtgui_sink_x_0.enable_rf_freq(False)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, sample_rate,True)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(((1.0 / 2048.0), ))
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(True, False)
self.blocks_file_source_0_0 = blocks.file_source(gr.sizeof_short*2, '/home/mg/prefix/src/mg/sigs/rf-929611400.sc16q11', False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0_0, 0), (self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "RSU Transmitter")
Qt.QWidget.__init__(self)
self.setWindowTitle("RSU Transmitter")
qtgui.util.check_set_qss()
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", "rsu_transmitter")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pulse_shaper_interpolation = pulse_shaper_interpolation = 32
self.bit_per_second = bit_per_second = 500e3
self.v_min = v_min = 1000
self.v_max = v_max = 25000
self.usrp_samples_per_second = usrp_samples_per_second = 400e6
self.sample_rate = sample_rate = pulse_shaper_interpolation * bit_per_second
self.phase = phase = 1
self.output_file = output_file = 'output_samples.dat'
self.input_file = input_file = 'binary_nrz_data.dat'
self.gain = gain = 1.0
self.frequency = frequency = 5.8e9
##################################################
# Blocks
##################################################
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(sample_rate)
self.uhd_usrp_sink_0.set_center_freq(frequency, 0)
self.uhd_usrp_sink_0.set_gain(gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.qtgui_time_sink_x_1 = qtgui.time_sink_c(
256, #size
sample_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(0, 26000)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(True)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1.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):
if len(labels[i]) == 0:
if(i % 2 == 0):
self.qtgui_time_sink_x_1.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_1.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_win)
self._output_file_tool_bar = Qt.QToolBar(self)
self._output_file_tool_bar.addWidget(Qt.QLabel('Output file'+": "))
self._output_file_line_edit = Qt.QLineEdit(str(self.output_file))
self._output_file_tool_bar.addWidget(self._output_file_line_edit)
self._output_file_line_edit.returnPressed.connect(
lambda: self.set_output_file(str(str(self._output_file_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._output_file_tool_bar)
self._input_file_tool_bar = Qt.QToolBar(self)
self._input_file_tool_bar.addWidget(Qt.QLabel('Input file'+": "))
self._input_file_line_edit = Qt.QLineEdit(str(self.input_file))
self._input_file_tool_bar.addWidget(self._input_file_line_edit)
self._input_file_line_edit.returnPressed.connect(
lambda: self.set_input_file(str(str(self._input_file_line_edit.text().toAscii()))))
self.top_layout.addWidget(self._input_file_tool_bar)
self.dsrcmod_pulse_shaper_bs_0 = dsrcmod.pulse_shaper_bs(v_min, v_max, phase, pulse_shaper_interpolation)
self.blocks_vector_source_b_0 = blocks.vector_source_b((1, 0,1, 1,1,0), True, 1, [])
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(False, False)
##################################################
# Connections
##################################################
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_vector_source_b_0, 0), (self.dsrcmod_pulse_shaper_bs_0, 0))
self.connect((self.dsrcmod_pulse_shaper_bs_0, 0), (self.blocks_interleaved_short_to_complex_0, 0))
def __init__(
self,
radioParam={
"type": "ndr804-ptt",
"host": "ndr308",
"port": 8617,
"obj": None
},
index=1,
enable=True,
idString="USER",
rate=0,
ddcFreq=0,
tunerIndex=1,
radioInterface=1,
dipIndex=-1,
localInterface="eth6",
udpPort=11000,
testFilename="",
otherDdcArgs={},
):
gr.hier_block2.__init__(
self,
"NDR804-PTT Narrowband IQ Source",
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
)
self.message_port_register_hier_out("control")
self.message_port_register_hier_in("control")
##################################################
# Parameters
##################################################
self.ddcFreq = ddcFreq
self.dipIndex = dipIndex
self.index = index
self.localInterface = localInterface
self.otherDdcArgs = otherDdcArgs
self.radioInterface = radioInterface
self.radioParam = radioParam
self.rate = rate
self.tunerIndex = tunerIndex
self.udpPort = udpPort
self.enable = enable
self.idString = idString
self.testFilename = testFilename
##################################################
# Blocks
##################################################
self.vitaIqSource = CyberRadio.vita_iq_source_2(
3,
1024 * 4 / 4,
9 * 4,
1 * 4,
False,
True,
"0.0.0.0",
udpPort,
False,
False,
False,
)
self.vecToStream = blocks.vector_to_stream(gr.sizeof_gr_complex * 1,
1024 / 4)
self.nullSink = blocks.null_sink(gr.sizeof_int * (9 + 1024 / 4 + 1))
self.ddcControl = generic_ddc_control_block(
radioParam,
index,
self.idString,
enable, # enable
False, # wideband
rate,
0,
ddcFreq,
tunerIndex,
0,
radioInterface,
dipIndex,
localInterface,
udpPort,
dict(otherDdcArgs),
False)
if self.testFilename != "":
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
31250, True)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
False, False)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_short * 1, self.testFilename, True)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(1.0 / 32767, ))
##################################################
# Connections
##################################################
self.msg_connect((self.ddcControl, 'control'), (self, 'control'))
self.msg_connect((self, 'control'), (self.ddcControl, 'control'))
if self.testFilename != "":
self.connect((self.blocks_multiply_const_vxx_0, 0), (self, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
else:
self.connect((self.vecToStream, 0), (self, 0))
self.connect((self.vitaIqSource, 0), (self.nullSink, 0))
self.connect((self.vitaIqSource, 1), (self.vecToStream, 0))
def __init__(self, samp_rate=80e6):
gr.top_block.__init__(
self, "INMARSAT BGAN Service, C-Band Return, Transponder 2")
Qt.QWidget.__init__(self)
self.setWindowTitle(
"INMARSAT BGAN Service, C-Band Return, Transponder 2")
qtgui.util.check_set_qss()
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", "inmarsat_cband_playback_3")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.xpndr_offset = xpndr_offset = [-23e6, -7.5e6, 8e6, 23e6]
self.xpndr_id = xpndr_id = 1
self.rf_freq = rf_freq = 3627.5e6
self.offset = offset = 0
self.rf_center = rf_center = (rf_freq + xpndr_offset[xpndr_id] +
offset)
self.hs_lo = hs_lo = 5150e6
self.xpndr_lbl = xpndr_lbl = "{:s}, Center [MHz]: {:4.3f}, BW [MHz]: 1.0".format(
str(xpndr_id + 1), rf_center / 1e6)
self.if_freq = if_freq = hs_lo - rf_freq
self.xpndr_lbll = xpndr_lbll = xpndr_lbl
self.xpndr_4_offset = xpndr_4_offset = xpndr_offset[3]
self.xpndr_3_offset = xpndr_3_offset = xpndr_offset[2]
self.xpndr_2_offset = xpndr_2_offset = xpndr_offset[1]
self.xpndr_1_offset = xpndr_1_offset = xpndr_offset[0]
self.rf_freq_lbl = rf_freq_lbl = rf_freq
self.resamp_rate = resamp_rate = 0.175
self.if_freq_lbl = if_freq_lbl = if_freq
self.fg_title = fg_title = "INMARSAT BGAN Service, C-Band Return, Transponder {:s}".format(
str(xpndr_id + 1))
##################################################
# Blocks
##################################################
self.tab = Qt.QTabWidget()
self.tab_widget_0 = Qt.QWidget()
self.tab_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_0)
self.tab_grid_layout_0 = Qt.QGridLayout()
self.tab_layout_0.addLayout(self.tab_grid_layout_0)
self.tab.addTab(self.tab_widget_0, 'Transponder 1')
self.tab_widget_1 = Qt.QWidget()
self.tab_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_1)
self.tab_grid_layout_1 = Qt.QGridLayout()
self.tab_layout_1.addLayout(self.tab_grid_layout_1)
self.tab.addTab(self.tab_widget_1, 'Transponder 2')
self.tab_widget_2 = Qt.QWidget()
self.tab_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_2)
self.tab_grid_layout_2 = Qt.QGridLayout()
self.tab_layout_2.addLayout(self.tab_grid_layout_2)
self.tab.addTab(self.tab_widget_2, 'Transponder 3')
self.tab_widget_3 = Qt.QWidget()
self.tab_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tab_widget_3)
self.tab_grid_layout_3 = Qt.QGridLayout()
self.tab_layout_3.addLayout(self.tab_grid_layout_3)
self.tab.addTab(self.tab_widget_3, 'Transponder 4')
self.top_grid_layout.addWidget(self.tab, 2, 0, 4, 2)
for r in range(2, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._offset_tool_bar = Qt.QToolBar(self)
self._offset_tool_bar.addWidget(Qt.QLabel("offset" + ": "))
self._offset_line_edit = Qt.QLineEdit(str(self.offset))
self._offset_tool_bar.addWidget(self._offset_line_edit)
self._offset_line_edit.returnPressed.connect(lambda: self.set_offset(
eng_notation.str_to_num(
str(self._offset_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._offset_tool_bar, 8, 2, 1, 2)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._xpndr_lbll_tool_bar = Qt.QToolBar(self)
if None:
self._xpndr_lbll_formatter = None
else:
self._xpndr_lbll_formatter = lambda x: str(x)
self._xpndr_lbll_tool_bar.addWidget(Qt.QLabel('Transponder' + ": "))
self._xpndr_lbll_label = Qt.QLabel(
str(self._xpndr_lbll_formatter(self.xpndr_lbll)))
self._xpndr_lbll_tool_bar.addWidget(self._xpndr_lbll_label)
self.top_grid_layout.addWidget(self._xpndr_lbll_tool_bar, 9, 2, 1, 2)
for r in range(9, 10):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._rf_freq_lbl_tool_bar = Qt.QToolBar(self)
if None:
self._rf_freq_lbl_formatter = None
else:
self._rf_freq_lbl_formatter = lambda x: eng_notation.num_to_str(x)
self._rf_freq_lbl_tool_bar.addWidget(Qt.QLabel('RF' + ": "))
self._rf_freq_lbl_label = Qt.QLabel(
str(self._rf_freq_lbl_formatter(self.rf_freq_lbl)))
self._rf_freq_lbl_tool_bar.addWidget(self._rf_freq_lbl_label)
self.top_grid_layout.addWidget(self._rf_freq_lbl_tool_bar, 8, 0, 1, 1)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate * resamp_rate * 0.071428571, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(False)
if not False:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
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_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-100, -20)
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, 3,
2, 3, 2)
for r in range(3, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rf_freq + xpndr_offset[xpndr_id] + offset, #fc
samp_rate * resamp_rate * 0.071428571, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.0010)
self.qtgui_freq_sink_x_0.set_y_axis(-100, -20)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
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(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(False)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 2, 2, 1,
2)
for r in range(2, 3):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.pfb_arb_resampler_xxx_0_1 = pfb.arb_resampler_ccf(resamp_rate,
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0_1.declare_sample_delay(0)
self.pfb_arb_resampler_xxx_0_0_0_0 = pfb.arb_resampler_ccf(0.071428571,
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0_0_0_0.declare_sample_delay(0)
self.pfb_arb_resampler_xxx_0_0_0 = pfb.arb_resampler_ccf(resamp_rate,
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0_0_0.declare_sample_delay(0)
self.pfb_arb_resampler_xxx_0_0 = pfb.arb_resampler_ccf(resamp_rate,
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0_0.declare_sample_delay(0)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(resamp_rate,
taps=None,
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self._if_freq_lbl_tool_bar = Qt.QToolBar(self)
if None:
self._if_freq_lbl_formatter = None
else:
self._if_freq_lbl_formatter = lambda x: eng_notation.num_to_str(x)
self._if_freq_lbl_tool_bar.addWidget(Qt.QLabel('IF' + ": "))
self._if_freq_lbl_label = Qt.QLabel(
str(self._if_freq_lbl_formatter(self.if_freq_lbl)))
self._if_freq_lbl_tool_bar.addWidget(self._if_freq_lbl_label)
self.top_grid_layout.addWidget(self._if_freq_lbl_tool_bar, 8, 1, 1, 1)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.fosphor_qt_sink_c_0_2 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_0_2.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_0_2.set_frequency_range(rf_freq, samp_rate)
self._fosphor_qt_sink_c_0_2_win = sip.wrapinstance(
self.fosphor_qt_sink_c_0_2.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._fosphor_qt_sink_c_0_2_win, 0, 0,
2, 4)
for r in range(0, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.fosphor_qt_sink_c_0_1 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_0_1.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_0_1.set_frequency_range(
rf_freq + xpndr_3_offset, samp_rate * resamp_rate)
self._fosphor_qt_sink_c_0_1_win = sip.wrapinstance(
self.fosphor_qt_sink_c_0_1.pyqwidget(), Qt.QWidget)
self.tab_grid_layout_2.addWidget(self._fosphor_qt_sink_c_0_1_win, 0, 0,
4, 4)
for r in range(0, 4):
self.tab_grid_layout_2.setRowStretch(r, 1)
for c in range(0, 4):
self.tab_grid_layout_2.setColumnStretch(c, 1)
self.fosphor_qt_sink_c_0_0_0 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_0_0_0.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_0_0_0.set_frequency_range(
rf_freq + xpndr_4_offset, samp_rate * resamp_rate)
self._fosphor_qt_sink_c_0_0_0_win = sip.wrapinstance(
self.fosphor_qt_sink_c_0_0_0.pyqwidget(), Qt.QWidget)
self.tab_grid_layout_3.addWidget(self._fosphor_qt_sink_c_0_0_0_win, 0,
0, 4, 4)
for r in range(0, 4):
self.tab_grid_layout_3.setRowStretch(r, 1)
for c in range(0, 4):
self.tab_grid_layout_3.setColumnStretch(c, 1)
self.fosphor_qt_sink_c_0_0 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_0_0.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_0_0.set_frequency_range(
rf_freq + xpndr_2_offset, samp_rate * resamp_rate)
self._fosphor_qt_sink_c_0_0_win = sip.wrapinstance(
self.fosphor_qt_sink_c_0_0.pyqwidget(), Qt.QWidget)
self.tab_grid_layout_1.addWidget(self._fosphor_qt_sink_c_0_0_win, 0, 0,
4, 4)
for r in range(0, 4):
self.tab_grid_layout_1.setRowStretch(r, 1)
for c in range(0, 4):
self.tab_grid_layout_1.setColumnStretch(c, 1)
self.fosphor_qt_sink_c_0 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_0.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_0.set_frequency_range(rf_freq + xpndr_1_offset,
samp_rate * resamp_rate)
self._fosphor_qt_sink_c_0_win = sip.wrapinstance(
self.fosphor_qt_sink_c_0.pyqwidget(), Qt.QWidget)
self.tab_grid_layout_0.addWidget(self._fosphor_qt_sink_c_0_win, 0, 0,
4, 4)
for r in range(0, 4):
self.tab_grid_layout_0.setRowStretch(r, 1)
for c in range(0, 4):
self.tab_grid_layout_0.setColumnStretch(c, 1)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_multiply_xx_0_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_0_1 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((-1, ))
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
False, False)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_source_1 = blocks.file_source(
gr.sizeof_short * 1,
'/data1/captures/inmarsat_c/4F3_F5BE35_20180903_043333.872099_UTC_80M.short',
True)
self.blocks_file_source_1.set_begin_tag(pmt.PMT_NIL)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.analog_sig_source_x_0_1 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -1 * xpndr_3_offset, 1, 0)
self.analog_sig_source_x_0_0_1 = analog.sig_source_c(
samp_rate * resamp_rate, analog.GR_COS_WAVE, -1 * (offset), 1, 0)
self.analog_sig_source_x_0_0_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -1 * xpndr_4_offset, 1, 0)
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -1 * xpndr_2_offset, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -1 * xpndr_1_offset, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0, 1))
self.connect((self.analog_sig_source_x_0_0_0, 0),
(self.blocks_multiply_xx_0_0_0, 1))
self.connect((self.analog_sig_source_x_0_0_1, 0),
(self.blocks_multiply_xx_0_0_1, 1))
self.connect((self.analog_sig_source_x_0_1, 0),
(self.blocks_multiply_xx_0_1, 1))
self.connect((self.blocks_complex_to_float_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_complex_to_float_0, 1),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_file_source_1, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_xx_0_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_xx_0_0_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.blocks_multiply_xx_0_1, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.fosphor_qt_sink_c_0_2, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_multiply_xx_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.blocks_multiply_xx_0_0, 0),
(self.pfb_arb_resampler_xxx_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0_0, 0),
(self.pfb_arb_resampler_xxx_0_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0_1, 0),
(self.pfb_arb_resampler_xxx_0_0_0_0, 0))
self.connect((self.blocks_multiply_xx_0_1, 0),
(self.pfb_arb_resampler_xxx_0_1, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_complex_to_float_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.fosphor_qt_sink_c_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0, 0),
(self.blocks_multiply_xx_0_0_1, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0, 0),
(self.fosphor_qt_sink_c_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0_0, 0),
(self.fosphor_qt_sink_c_0_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0_0_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_0_0_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0_1, 0),
(self.fosphor_qt_sink_c_0_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Not titled yet")
Qt.QWidget.__init__(self)
self.setWindowTitle("Not titled yet")
qtgui.util.check_set_qss()
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", "fir_analysis")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 64000
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
33, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.0010)
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(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(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
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]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
for i in range(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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(False, False)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_short*1, '/Users/iracigt/Developer/DVB_hat/hdl/fir_out_s16.bin', True, 0, 66)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
qtgui.util.check_set_qss()
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")
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(
self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.vec_length = vec_length = 400
self.sinc_sample_locations = sinc_sample_locations = np.arange(
-np.pi * 4 / 2.0, np.pi * 4 / 2.0, np.pi / vec_length)
self.timenow = timenow = datetime.now().strftime("%Y-%m-%d_%H.%M.%S")
self.sinc = sinc = np.sinc(sinc_sample_locations / np.pi)
self.prefix = prefix = "/home/dspradio/grc_data/"
self.samp_rate = samp_rate = 10e6
self.recfile = recfile = prefix + timenow + "rtl_drift.h5"
self.integration_time = integration_time = .0002
self.freq = freq = 1420.5e6
self.display_integration = display_integration = 0.0002
self.delay1 = delay1 = 0
self.custom_window = custom_window = sinc * np.hamming(4 * vec_length)
##################################################
# Blocks
##################################################
self._delay1_range = Range(0, 100, 1, 0, 200)
self._delay1_win = RangeWidget(self._delay1_range, self.set_delay1,
"delay1", "counter_slider", int)
self.top_layout.addWidget(self._delay1_win)
self.qtgui_vector_sink_f_0_1 = qtgui.vector_sink_f(
vec_length,
0,
1,
"x-Axis",
"y-Axis",
"one",
2 # Number of inputs
)
self.qtgui_vector_sink_f_0_1.set_update_time(.1)
self.qtgui_vector_sink_f_0_1.set_y_axis(-140, 10)
self.qtgui_vector_sink_f_0_1.enable_autoscale(True)
self.qtgui_vector_sink_f_0_1.enable_grid(False)
self.qtgui_vector_sink_f_0_1.set_x_axis_units("")
self.qtgui_vector_sink_f_0_1.set_y_axis_units("")
self.qtgui_vector_sink_f_0_1.set_ref_level(0)
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(2):
if len(labels[i]) == 0:
self.qtgui_vector_sink_f_0_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_vector_sink_f_0_1.set_line_label(i, labels[i])
self.qtgui_vector_sink_f_0_1.set_line_width(i, widths[i])
self.qtgui_vector_sink_f_0_1.set_line_color(i, colors[i])
self.qtgui_vector_sink_f_0_1.set_line_alpha(i, alphas[i])
self._qtgui_vector_sink_f_0_1_win = sip.wrapinstance(
self.qtgui_vector_sink_f_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_vector_sink_f_0_1_win)
self.qtgui_time_sink_x_0_2 = qtgui.time_sink_f(
750, #size
samp_rate / 10, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_2.set_update_time(0.10)
self.qtgui_time_sink_x_0_2.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_2.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_2.enable_tags(-1, True)
self.qtgui_time_sink_x_0_2.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, "")
self.qtgui_time_sink_x_0_2.enable_autoscale(True)
self.qtgui_time_sink_x_0_2.enable_grid(False)
self.qtgui_time_sink_x_0_2.enable_axis_labels(True)
self.qtgui_time_sink_x_0_2.enable_control_panel(False)
self.qtgui_time_sink_x_0_2.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0_2.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"red", "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(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_2.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_2.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_2.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_2.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_2.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_2.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_2.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_2_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_2.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_2_win)
self.qtgui_time_sink_x_0_1 = qtgui.time_sink_f(
750, #size
1e6, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_1.set_update_time(0.010)
self.qtgui_time_sink_x_0_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_1.enable_tags(-1, True)
self.qtgui_time_sink_x_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, "")
self.qtgui_time_sink_x_0_1.enable_autoscale(True)
self.qtgui_time_sink_x_0_1.enable_grid(False)
self.qtgui_time_sink_x_0_1.enable_axis_labels(True)
self.qtgui_time_sink_x_0_1.enable_control_panel(False)
self.qtgui_time_sink_x_0_1.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0_1.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"green", "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(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_1_win)
self.fft_vxx_0_0 = fft.fft_vcc(400, True,
(window.rectangular(vec_length)), True,
1)
self.fft_vxx_0 = fft.fft_vcc(400, True,
(window.rectangular(vec_length)), True, 1)
self.dedispersion_oot_dedisperse_roll_0_0 = dedispersion_oot.dedisperse_roll(
400, ([600, 601, 602, 603, 604]), 1400.000, 10.000, 750, .15)
self.dedispersion_oot_dedisperse_roll_0 = dedispersion_oot.dedisperse_roll(
400, ([600, 601, 602, 603, 604]), 1400.000, 10.000, 750, .15)
self.dedispersion_oot_Pulse_Detection_0 = dedispersion_oot.Pulse_Detection(
25, 2.0, 750, ([600, 601, 602, 603, 604]))
self.blocks_vector_to_stream_1_0_0 = blocks.vector_to_stream(
gr.sizeof_float * 1, 750)
self.blocks_vector_to_stream_0_1 = blocks.vector_to_stream(
gr.sizeof_float * 1, 400)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_float * 1, 400)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, 1e6 / 2,
True)
self.blocks_stream_to_vector_2_0 = blocks.stream_to_vector(
gr.sizeof_float * 400, 750)
self.blocks_stream_to_vector_2 = blocks.stream_to_vector(
gr.sizeof_float * 400, 750)
self.blocks_stream_to_vector_1_1 = blocks.stream_to_vector(
gr.sizeof_float * 1, 400)
self.blocks_stream_to_vector_1 = blocks.stream_to_vector(
gr.sizeof_float * 1, 400)
self.blocks_stream_to_vector_0_3 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, vec_length)
self.blocks_stream_to_vector_0_2_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, vec_length)
self.blocks_stream_to_vector_0_2 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, vec_length)
self.blocks_stream_to_vector_0_1_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, vec_length)
self.blocks_stream_to_vector_0_1 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, vec_length)
self.blocks_stream_to_vector_0_0_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, vec_length)
self.blocks_stream_to_vector_0_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, vec_length)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, vec_length)
self.blocks_multiply_const_vxx_0_3 = blocks.multiply_const_vcc(
(custom_window[0:vec_length]))
self.blocks_multiply_const_vxx_0_2_0 = blocks.multiply_const_vcc(
(custom_window[-vec_length:]))
self.blocks_multiply_const_vxx_0_2 = blocks.multiply_const_vcc(
(custom_window[-vec_length:]))
self.blocks_multiply_const_vxx_0_1_0 = blocks.multiply_const_vcc(
(custom_window[2 * vec_length:3 * vec_length]))
self.blocks_multiply_const_vxx_0_1 = blocks.multiply_const_vcc(
(custom_window[2 * vec_length:3 * vec_length]))
self.blocks_multiply_const_vxx_0_0_0 = blocks.multiply_const_vcc(
(custom_window[vec_length:2 * vec_length]))
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc(
(custom_window[vec_length:2 * vec_length]))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(custom_window[0:vec_length]))
self.blocks_multiply_conjugate_cc_0_0 = blocks.multiply_conjugate_cc(
vec_length)
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(
vec_length)
self.blocks_interleaved_short_to_complex_0_0 = blocks.interleaved_short_to_complex(
False, False)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
False, False)
self.blocks_integrate_xx_0_0_0 = blocks.integrate_cc(
int(display_integration * samp_rate / vec_length), vec_length)
self.blocks_integrate_xx_0_0 = blocks.integrate_cc(
int(display_integration * samp_rate / vec_length), vec_length)
self.blocks_file_source_0_1 = blocks.file_source(
gr.sizeof_short * 1,
'/home/andy/FRB_Pipeline_and_Contributions/gr-transient/jupyter/pulse_sim_10mhz_int16_5ms_period_60dm_1400MHz_center_150ms_long_noise.bin',
True)
self.blocks_file_source_0_0 = blocks.file_source(
gr.sizeof_float * 1,
'/home/andy/FRB_Pipeline_and_Contributions/gr-transient/jupyter/pulse_sim_10mhz_int16_5ms_period_60dm_1400MHz_center_150ms_long_corr.bin',
True)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_short * 1,
'/home/andy/FRB_Pipeline_and_Contributions/gr-transient/jupyter/pulse_sim_10mhz_int16_5ms_period_60dm_1400MHz_center_150ms_long.bin',
True)
self.blocks_delay_0_0_1 = blocks.delay(gr.sizeof_gr_complex * 1,
vec_length)
self.blocks_delay_0_0_0_1 = blocks.delay(gr.sizeof_gr_complex * 1,
2 * vec_length)
self.blocks_delay_0_0_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
3 * vec_length)
self.blocks_delay_0_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
3 * vec_length)
self.blocks_delay_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
2 * vec_length)
self.blocks_delay_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
vec_length)
self.blocks_delay_0 = blocks.delay(gr.sizeof_float * 1, delay1)
self.blocks_complex_to_real_0_0 = blocks.complex_to_real(vec_length)
self.blocks_complex_to_real_0 = blocks.complex_to_real(vec_length)
self.blocks_add_xx_0_0 = blocks.add_vcc(vec_length)
self.blocks_add_xx_0 = blocks.add_vcc(vec_length)
##################################################
# Connections
##################################################
self.connect((self.blocks_add_xx_0, 0), (self.fft_vxx_0, 0))
self.connect((self.blocks_add_xx_0_0, 0), (self.fft_vxx_0_0, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.blocks_complex_to_real_0_0, 0),
(self.blocks_vector_to_stream_0_1, 0))
self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_2, 0))
self.connect((self.blocks_delay_0_0, 0),
(self.blocks_stream_to_vector_0_0, 0))
self.connect((self.blocks_delay_0_0_0, 0),
(self.blocks_stream_to_vector_0_2, 0))
self.connect((self.blocks_delay_0_0_0_0, 0),
(self.blocks_stream_to_vector_0_1, 0))
self.connect((self.blocks_delay_0_0_0_0_0, 0),
(self.blocks_stream_to_vector_0_1_0, 0))
self.connect((self.blocks_delay_0_0_0_1, 0),
(self.blocks_stream_to_vector_0_2_0, 0))
self.connect((self.blocks_delay_0_0_1, 0),
(self.blocks_stream_to_vector_0_0_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_file_source_0_0, 0),
(self.blocks_delay_0, 0))
self.connect((self.blocks_file_source_0_1, 0),
(self.blocks_interleaved_short_to_complex_0_0, 0))
self.connect((self.blocks_integrate_xx_0_0, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_integrate_xx_0_0_0, 0),
(self.blocks_complex_to_real_0_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_delay_0_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_delay_0_0_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_delay_0_0_0_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0_0, 0),
(self.blocks_delay_0_0_0_0_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0_0, 0),
(self.blocks_delay_0_0_0_1, 0))
self.connect((self.blocks_interleaved_short_to_complex_0_0, 0),
(self.blocks_delay_0_0_1, 0))
self.connect((self.blocks_interleaved_short_to_complex_0_0, 0),
(self.blocks_stream_to_vector_0_3, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0),
(self.blocks_integrate_xx_0_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0_0, 0),
(self.blocks_integrate_xx_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_add_xx_0, 3))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.blocks_add_xx_0, 2))
self.connect((self.blocks_multiply_const_vxx_0_0_0, 0),
(self.blocks_add_xx_0_0, 2))
self.connect((self.blocks_multiply_const_vxx_0_1, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0_1_0, 0),
(self.blocks_add_xx_0_0, 1))
self.connect((self.blocks_multiply_const_vxx_0_2, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_2_0, 0),
(self.blocks_add_xx_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_3, 0),
(self.blocks_add_xx_0_0, 3))
self.connect((self.blocks_stream_to_vector_0, 0),
(self.blocks_multiply_const_vxx_0_2, 0))
self.connect((self.blocks_stream_to_vector_0_0, 0),
(self.blocks_multiply_const_vxx_0_1, 0))
self.connect((self.blocks_stream_to_vector_0_0_0, 0),
(self.blocks_multiply_const_vxx_0_1_0, 0))
self.connect((self.blocks_stream_to_vector_0_1, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_stream_to_vector_0_1_0, 0),
(self.blocks_multiply_const_vxx_0_3, 0))
self.connect((self.blocks_stream_to_vector_0_2, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.blocks_stream_to_vector_0_2_0, 0),
(self.blocks_multiply_const_vxx_0_0_0, 0))
self.connect((self.blocks_stream_to_vector_0_3, 0),
(self.blocks_multiply_const_vxx_0_2_0, 0))
self.connect((self.blocks_stream_to_vector_1, 0),
(self.blocks_stream_to_vector_2, 0))
self.connect((self.blocks_stream_to_vector_1, 0),
(self.qtgui_vector_sink_f_0_1, 0))
self.connect((self.blocks_stream_to_vector_1_1, 0),
(self.blocks_stream_to_vector_2_0, 0))
self.connect((self.blocks_stream_to_vector_1_1, 0),
(self.qtgui_vector_sink_f_0_1, 1))
self.connect((self.blocks_stream_to_vector_2, 0),
(self.dedispersion_oot_dedisperse_roll_0, 0))
self.connect((self.blocks_stream_to_vector_2_0, 0),
(self.dedispersion_oot_dedisperse_roll_0_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_stream_to_vector_1, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_vector_to_stream_0_1, 0),
(self.blocks_stream_to_vector_1_1, 0))
self.connect((self.blocks_vector_to_stream_1_0_0, 0),
(self.qtgui_time_sink_x_0_1, 0))
self.connect((self.dedispersion_oot_Pulse_Detection_0, 0),
(self.blocks_vector_to_stream_1_0_0, 0))
self.connect((self.dedispersion_oot_dedisperse_roll_0, 0),
(self.dedispersion_oot_Pulse_Detection_0, 0))
self.connect((self.dedispersion_oot_dedisperse_roll_0_0, 0),
(self.dedispersion_oot_Pulse_Detection_0, 1))
self.connect((self.fft_vxx_0, 0),
(self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.fft_vxx_0_0, 0),
(self.blocks_multiply_conjugate_cc_0_0, 0))
self.connect((self.fft_vxx_0_0, 0),
(self.blocks_multiply_conjugate_cc_0_0, 1))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1920000
self.freq = freq = 1440000
self.audio_gain = audio_gain = 0.025
##################################################
# Blocks
##################################################
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.freq,
callback=self.set_freq,
label="Frequency (Hz)",
converter=forms.int_converter(),
)
self.Add(self._freq_text_box)
_audio_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._audio_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_audio_gain_sizer,
value=self.audio_gain,
callback=self.set_audio_gain,
label="Audio gain",
converter=forms.float_converter(),
proportion=0,
)
self._audio_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_audio_gain_sizer,
value=self.audio_gain,
callback=self.set_audio_gain,
minimum=0,
maximum=.05,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_audio_gain_sizer)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=freq,
y_per_div=20,
y_divs=8,
ref_level=100,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=2048,
fft_rate=10,
average=True,
avg_alpha=1,
title="FFT Plot",
peak_hold=False,
win=window.blackmanharris,
size=(1200,400),
)
self.Add(self.wxgui_fftsink2_0.win)
self.ss = sdrstick.sdrstick_source_s(gr.sizeof_short*1, "192.168.1.200", "192.168.1.26", 8001, 1 - int(samp_rate/1920000))
self.ss.set_freq(freq)
self.low_pass_filter_0 = filter.fir_filter_ccf(samp_rate/48000, firdes.low_pass(
1, samp_rate, 5000, 3000, firdes.WIN_BLACKMAN, 6.76))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((audio_gain, ))
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(False, False)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_am_demod_cf_0 = analog.am_demod_cf(
channel_rate=48000,
audio_decim=1,
audio_pass=5000,
audio_stop=5500,
)
##################################################
# Connections
##################################################
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_am_demod_cf_0, 0))
self.connect((self.analog_am_demod_cf_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.ss, 0), (self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
def __init__(self,
center_frequency,
sample_rate,
decimation,
filename,
sample_format=None,
threshold=7.0,
signal_width=40e3,
offline=False,
max_queue_len=500,
handle_multiple_frames_per_burst=False,
max_bursts=0,
verbose=False):
gr.top_block.__init__(self, "Top Block")
self._center_frequency = center_frequency
self._burst_width = 40e3
self._input_sample_rate = sample_rate
self._verbose = verbose
self._threshold = threshold
self._filename = filename
self._offline = offline
self._max_queue_len = max_queue_len
self._handle_multiple_frames_per_burst = handle_multiple_frames_per_burst
self._fft_size = int(
math.pow(2, 1 + int(math.log(self._input_sample_rate / 1000,
2)))) # fft is approx 1ms long
self._burst_pre_len = 2 * self._fft_size
self._burst_post_len = 8 * self._fft_size
if decimation > 1:
self._use_pfb = True
# We will set up a filter bank with an odd number of outputs and
# and an over sampling ratio to still get the desired decimation.
# The goal is to still catch signal which (due to doppler shift) end up
# on the border of two channels.
# For this to work the desired decimation must be even.
if decimation % 2:
raise RuntimeError(
"The desired decimation must be 1 or an even number")
self._channels = decimation + 1
self._pfb_over_sample_ratio = self._channels / (self._channels -
1.)
pfb_output_sample_rate = int(
round(
float(self._input_sample_rate) / self._channels *
self._pfb_over_sample_ratio))
assert pfb_output_sample_rate == self._input_sample_rate / decimation
# The over sampled region of the FIR filter contains half of the signal width and
# the transition region of the FIR filter.
# The bandwidth is simply increased by the signal width.
# A signal which has its center frequency directly on the border of
# two channels will reconstruct correclty on both channels.
self._fir_bw = (self._input_sample_rate / self._channels +
self._burst_width) / 2
# The remaining bandwidth inside the over samples region is used to
# contain the transistion region of the filter.
# It can be multiplied by two as it is allowed to continue into the
# transition region of the neighboring channel.
# TODO: Draw a nice graphic how this works.
self._fir_tw = (pfb_output_sample_rate / 2 - self._fir_bw) * 2
# If the over sampling ratio is not large enough, there is not
# enough room to construct a transition region.
if self._fir_tw < 0:
raise RuntimeError(
"PFB over sampling ratio not enough to create a working FIR filter"
)
self._pfb_fir_filter = gnuradio.filter.firdes.low_pass_2(
1, self._input_sample_rate, self._fir_bw, self._fir_tw, 60)
# If the transition width approaches 0, the filter size goes up significantly.
if len(self._pfb_fir_filter) > 200:
print >> sys.stderr, "Warning: The PFB FIR filter has an abnormal large number of taps:", len(
self._pfb_fir_filter)
print >> sys.stderr, "Consider reducing the decimation factor or increase the over sampling ratio"
self._burst_sample_rate = pfb_output_sample_rate
if self._verbose:
print >> sys.stderr, "self._channels", self._channels
print >> sys.stderr, "len(self._pfb_fir_filter)", len(
self._pfb_fir_filter)
print >> sys.stderr, "self._pfb_over_sample_ratio", self._pfb_over_sample_ratio
print >> sys.stderr, "self._fir_bw", self._fir_bw
print >> sys.stderr, "self._fir_tw", self._fir_tw
print >> sys.stderr, "self._burst_sample_rate", self._burst_sample_rate
else:
self._use_pfb = False
self._burst_sample_rate = self._input_sample_rate
# After 90 ms there needs to be a pause in the frame sturcture.
# Let's make that the limit for a detected burst
self._max_burst_len = int(self._burst_sample_rate * 0.09)
if self._verbose:
print >> sys.stderr, "require %.1f dB" % self._threshold
print >> sys.stderr, "burst_width: %d Hz" % self._burst_width
if self._filename.endswith(".conf"):
import ConfigParser
config = ConfigParser.ConfigParser()
config.read(self._filename)
items = config.items("osmosdr-source")
d = {key: value for key, value in items}
if 'device_args' in d:
source = osmosdr.source(args=d['device_args'])
else:
source = osmosdr.source()
source.set_sample_rate(self._input_sample_rate)
source.set_center_freq(self._center_frequency, 0)
if 'gain' in d:
gain = int(d['gain'])
source.set_gain(gain, 0)
print >> sys.stderr, "(RF) Gain:", source.get_gain(
0), '(Requested %d)' % gain
for key, value in d.iteritems():
if key.endswith("_gain"):
gain_option_name = key.split('_')[0]
gain_value = int(value)
def match_gain(gain, gain_names):
for gain_name in gain_names:
if gain.lower() == gain_name.lower():
return gain_name
return None
gain_name = match_gain(gain_option_name,
source.get_gain_names())
if gain_name is not None:
source.set_gain(gain_value, gain_name, 0)
print >> sys.stderr, gain_name, "Gain:", source.get_gain(
gain_name, 0), '(Requested %d)' % gain_value
else:
print >> sys.stderr, "WARNING: Gain", gain_option_name, "not supported by source!"
print >> sys.stderr, "Supported gains:", source.get_gain_names(
)
if 'bandwidth' in d:
bandwidth = int(d['bandwidth'])
source.set_bandwidth(bandwidth, 0)
print >> sys.stderr, "Bandwidth:", source.get_bandwidth(
0), '(Requested %d)' % bandwidth
else:
source.set_bandwidth(0, 0)
print >> sys.stderr, "Warning: Setting bandwidth to", source.get_bandwidth(
0)
if 'antenna' in d:
antenna = d['antenna']
source.set_antenna(antenna, 0)
print >> sys.stderr, "Antenna:", source.get_antenna(
0), '(Requested %s)' % antenna
else:
print >> sys.stderr, "Warning: Setting antenna to", source.get_antenna(
0)
#source.set_freq_corr($corr0, 0)
#source.set_dc_offset_mode($dc_offset_mode0, 0)
#source.set_iq_balance_mode($iq_balance_mode0, 0)
#source.set_gain_mode($gain_mode0, 0)
#source.set_antenna($ant0, 0)
converter = None
else:
if sample_format == "rtl":
converter = iridium.iuchar_to_complex()
itemsize = gr.sizeof_char
elif sample_format == "hackrf":
converter = blocks.interleaved_char_to_complex()
itemsize = gr.sizeof_char
elif sample_format == "sc16":
converter = blocks.interleaved_short_to_complex()
itemsize = gr.sizeof_short
elif sample_format == "float":
converter = None
itemsize = gr.sizeof_gr_complex
else:
raise RuntimeError(
"Unknown sample format for offline mode given")
source = blocks.file_source(itemsize=itemsize,
filename=self._filename,
repeat=False)
# Just to keep the code below a bit more portable
tb = self
#fft_burst_tagger::make(float center_frequency, int fft_size, int sample_rate,
# int burst_pre_len, int burst_post_len, int burst_width,
# int max_bursts, float threshold, int history_size, bool debug)
self._fft_burst_tagger = iridium.fft_burst_tagger(
center_frequency=self._center_frequency,
fft_size=self._fft_size,
sample_rate=self._input_sample_rate,
burst_pre_len=self._burst_pre_len,
burst_post_len=self._burst_post_len,
burst_width=int(self._burst_width),
max_bursts=max_bursts,
threshold=self._threshold,
history_size=512,
debug=self._verbose)
# Initial filter to filter the detected bursts. Runs at burst_sample_rate. Used to decimate the signal.
# TODO: Should probably be set to self._burst_width
input_filter = gnuradio.filter.firdes.low_pass_2(
1, self._burst_sample_rate, 40e3 / 2, 40e3, 40)
#input_filter = gnuradio.filter.firdes.low_pass_2(1, self._burst_sample_rate, 42e3/2, 24e3, 40)
#print len(input_filter)
# Filter to find the start of the signal. Should be fairly narrow.
# TODO: 250000 appears as magic number here
start_finder_filter = gnuradio.filter.firdes.low_pass_2(
1, 250000, 5e3 / 2, 10e3 / 2, 60)
#print len(start_finder_filter)
self._iridium_qpsk_demod = iridium.iridium_qpsk_demod_cpp()
self._frame_sorter = iridium.frame_sorter()
self._iridium_frame_printer = iridium.iridium_frame_printer()
#self._iridium_qpsk_demod = iridium.iridium_qpsk_demod(250000)
if self._use_pfb:
self._burst_to_pdu_converters = []
self._burst_downmixers = []
sinks = []
for channel in range(self._channels):
center = channel if channel <= self._channels / 2 else (
channel - self._channels)
# Second and third parameters tell the block where after the PFB it sits.
relative_center = center / float(self._channels)
relative_span = 1. / self._channels
relative_sample_rate = relative_span * self._pfb_over_sample_ratio
burst_to_pdu_converter = iridium.tagged_burst_to_pdu(
self._max_burst_len, relative_center, relative_span,
relative_sample_rate, self._max_queue_len,
not self._offline)
burst_downmixer = iridium.burst_downmix(
self._burst_sample_rate, int(0.007 * 250000), 0,
(input_filter), (start_finder_filter),
self._handle_multiple_frames_per_burst)
self._burst_downmixers.append(burst_downmixer)
self._burst_to_pdu_converters.append(burst_to_pdu_converter)
#pfb_debug_sinks = [blocks.file_sink(itemsize=gr.sizeof_gr_complex, filename="/tmp/channel-%d.f32"%i) for i in range(self._channels)]
pfb_debug_sinks = None
pfb = gnuradio.filter.pfb.channelizer_ccf(
numchans=self._channels,
taps=self._pfb_fir_filter,
oversample_rate=self._pfb_over_sample_ratio)
if converter:
tb.connect(source, converter, self._fft_burst_tagger, pfb)
else:
tb.connect(source, self._fft_burst_tagger, pfb)
for i in range(self._channels):
tb.connect((pfb, i), self._burst_to_pdu_converters[i])
if pfb_debug_sinks:
tb.connect((pfb, i), pfb_debug_sinks[i])
tb.msg_connect((self._burst_to_pdu_converters[i], 'cpdus'),
(self._burst_downmixers[i], 'cpdus'))
tb.msg_connect(
(self._burst_downmixers[i], 'burst_handled'),
(self._burst_to_pdu_converters[i], 'burst_handled'))
tb.msg_connect((self._burst_downmixers[i], 'cpdus'),
(self._iridium_qpsk_demod, 'cpdus'))
else:
burst_downmix = iridium.burst_downmix(
self._burst_sample_rate, int(0.007 * 250000), 0,
(input_filter), (start_finder_filter),
self._handle_multiple_frames_per_burst)
burst_to_pdu = iridium.tagged_burst_to_pdu(self._max_burst_len,
0.0, 1.0, 1.0,
self._max_queue_len,
not self._offline)
if converter:
#multi = blocks.multiply_const_cc(1/128.)
#tb.connect(source, converter, multi, self._fft_burst_tagger, burst_to_pdu)
tb.connect(source, converter, self._fft_burst_tagger,
burst_to_pdu)
else:
tb.connect(source, self._fft_burst_tagger, burst_to_pdu)
tb.msg_connect((burst_to_pdu, 'cpdus'), (burst_downmix, 'cpdus'))
tb.msg_connect((burst_downmix, 'burst_handled'),
(burst_to_pdu, 'burst_handled'))
# Final connection to the demodulator. It prints the output to stdout
tb.msg_connect((burst_downmix, 'cpdus'),
(self._iridium_qpsk_demod, 'cpdus'))
self._burst_downmixers = [burst_downmix]
self._burst_to_pdu_converters = [burst_to_pdu]
tb.msg_connect((self._iridium_qpsk_demod, 'pdus'),
(self._frame_sorter, 'pdus'))
tb.msg_connect((self._frame_sorter, 'pdus'),
(self._iridium_frame_printer, 'pdus'))
def __init__(self):
gr.top_block.__init__(self, "2020-08-13T05:06:25.664651Z")
Qt.QWidget.__init__(self)
self.setWindowTitle("2020-08-13T05:06:25.664651Z")
qtgui.util.check_set_qss()
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", "n210_record_ci16")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 12.5e6
self.ts_str = ts_str = dt.strftime(dt.utcnow(),
"%Y-%m-%dT%H:%M:%S.%fZ")
self.signal_type = signal_type = "HF"
self.samp_str = samp_str = "{:3.1f}MSPS".format(samp_rate / 1e6)
self.path = path = "/tmp"
self.fn = fn = "{:s}_{:s}_{:s}.ci16".format(signal_type, samp_str,
ts_str)
self.rx_freq = rx_freq = samp_rate / 2
self.fp = fp = "{:s}/{:s}".format(path, fn)
##################################################
# Blocks
##################################################
self._samp_rate_tool_bar = Qt.QToolBar(self)
self._samp_rate_tool_bar.addWidget(Qt.QLabel('SAMP_RATE' + ": "))
self._samp_rate_line_edit = Qt.QLineEdit(str(self.samp_rate))
self._samp_rate_tool_bar.addWidget(self._samp_rate_line_edit)
self._samp_rate_line_edit.returnPressed.connect(
lambda: self.set_samp_rate(
eng_notation.str_to_num(
str(self._samp_rate_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._samp_rate_tool_bar, 8, 2, 1, 2)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_freq_tool_bar = Qt.QToolBar(self)
self._rx_freq_tool_bar.addWidget(Qt.QLabel('Frequency [Hz]' + ": "))
self._rx_freq_line_edit = Qt.QLineEdit(str(self.rx_freq))
self._rx_freq_tool_bar.addWidget(self._rx_freq_line_edit)
self._rx_freq_line_edit.returnPressed.connect(lambda: self.set_rx_freq(
eng_notation.str_to_num(
str(self._rx_freq_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._rx_freq_tool_bar, 8, 0, 1, 2)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(('addr=192.168.10.2', "")),
uhd.stream_args(
cpu_format="sc16",
otw_format='sc16',
channels=range(1),
),
)
self.uhd_usrp_source_0.set_clock_source('gpsdo', 0)
self.uhd_usrp_source_0.set_time_source('gpsdo', 0)
self.uhd_usrp_source_0.set_subdev_spec('A:AB', 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_source_0.set_center_freq(rx_freq, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna('A', 0)
self.uhd_usrp_source_0.set_auto_dc_offset(True, 0)
self.uhd_usrp_source_0.set_auto_iq_balance(True, 0)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
4096, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rx_freq, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(True)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
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_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 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, 4,
0, 4, 4)
for r in range(4, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
4096, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rx_freq, #fc
samp_rate, #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, -40)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
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(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 4,
4)
for r in range(0, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(1.0 /
65536.0)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
True, False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_short * 2, fp,
False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_multiply_const_xx_0, 0))
self.connect((self.blocks_multiply_const_xx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_multiply_const_xx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
def __init__(self,
center_frequency,
sample_rate,
decimation,
filename,
sample_format=None,
threshold=7.0,
burst_width=40e3,
offline=False,
max_queue_len=500,
handle_multiple_frames_per_burst=False,
raw_capture_filename=None,
debug_id=None,
max_bursts=0,
verbose=False,
file_info=None,
samples_per_symbol=10):
gr.top_block.__init__(self, "Top Block")
self.handle_sigint = False
self._center_frequency = center_frequency
self._burst_width = burst_width
self._input_sample_rate = sample_rate
self._verbose = verbose
self._threshold = threshold
self._filename = filename
self._offline = offline
self._max_queue_len = max_queue_len
self._handle_multiple_frames_per_burst = handle_multiple_frames_per_burst
# Sample rate of the bursts exiting the burst downmix block
self._burst_sample_rate = 25000 * samples_per_symbol
assert (self._input_sample_rate /
decimation) % self._burst_sample_rate == 0
self._fft_size = 2**round(math.log(self._input_sample_rate / 1000,
2)) # FFT is approx. 1 ms long
self._burst_pre_len = 2 * self._fft_size
# Keep 16 ms of signal after the FFT loses track
self._burst_post_len = int(self._input_sample_rate * 16e-3)
# Just to keep the code below a bit more portable
tb = self
if decimation > 1:
self._use_pfb = True
# We will set up a filter bank with an odd number of outputs and
# and an over sampling ratio to still get the desired decimation.
# The goal is to reconstruct signals which (due to Doppler shift) end up
# on the border of two channels.
# For this to work the desired decimation must be even.
if decimation % 2:
raise RuntimeError(
"The desired decimation must be 1 or an even number")
self._channels = decimation + 1
self._pfb_over_sample_ratio = self._channels / (self._channels -
1.)
pfb_output_sample_rate = int(
round(
float(self._input_sample_rate) / self._channels *
self._pfb_over_sample_ratio))
assert pfb_output_sample_rate == self._input_sample_rate / decimation
assert pfb_output_sample_rate % self._burst_sample_rate == 0
# The over sampled region of the FIR filter contains half of the signal width and
# the transition region of the FIR filter.
# The bandwidth is simply increased by the signal width.
# A signal which has its center frequency directly on the border of
# two channels will reconstruct correctly on both channels.
self._fir_bw = (self._input_sample_rate / self._channels +
self._burst_width) / 2
# The remaining bandwidth inside the over sampled region is used to
# contain the transition region of the filter.
# It can be multiplied by two as it is allowed to continue into the
# transition region of the neighboring channel.
# Some details can be found here: https://youtu.be/6ngYp8W-AX0?t=2289
self._fir_tw = (pfb_output_sample_rate / 2 - self._fir_bw) * 2
# Real world data shows only a minor degradation in performance when
# doubling the transition width.
self._fir_tw *= 2
# If the over sampling ratio is not large enough, there is not
# enough room to construct a transition region.
if self._fir_tw < 0:
raise RuntimeError(
"PFB over sampling ratio not enough to create a working FIR filter"
)
self._pfb_fir_filter = gnuradio.filter.firdes.low_pass_2(
1, self._input_sample_rate, self._fir_bw, self._fir_tw, 60)
# If the transition width approaches 0, the filter size goes up significantly.
if len(self._pfb_fir_filter) > 300:
print(
"Warning: The PFB FIR filter has an abnormal large number of taps:",
len(self._pfb_fir_filter),
file=sys.stderr)
print("Consider reducing the decimation factor",
file=sys.stderr)
pfb_input_delay = (
len(self._pfb_fir_filter) +
1) // 2 - self._channels / self._pfb_over_sample_ratio
self._pfb_delay = pfb_input_delay / decimation
self._channel_sample_rate = pfb_output_sample_rate
if self._verbose:
print("self._channels", self._channels, file=sys.stderr)
print("len(self._pfb_fir_filter)",
len(self._pfb_fir_filter),
file=sys.stderr)
print("self._pfb_over_sample_ratio",
self._pfb_over_sample_ratio,
file=sys.stderr)
print("self._fir_bw", self._fir_bw, file=sys.stderr)
print("self._fir_tw", self._fir_tw, file=sys.stderr)
print("self._channel_sample_rate",
self._channel_sample_rate,
file=sys.stderr)
else:
self._use_pfb = False
self._channel_sample_rate = self._input_sample_rate
self._channels = 1
# After 90 ms there needs to be a pause in the frame sturcture.
# Let's make that the limit for a detected burst
self._max_burst_len = int(self._channel_sample_rate * 0.09)
if self._verbose:
print("require %.1f dB" % self._threshold, file=sys.stderr)
print("burst_width: %d Hz" % self._burst_width, file=sys.stderr)
if self._filename.endswith(".conf"):
import configparser
config = configparser.ConfigParser()
config.read(self._filename)
items = config.items("osmosdr-source")
d = {key: value for key, value in items}
import osmosdr
if 'device_args' in d:
source = osmosdr.source(args=d['device_args'])
else:
source = osmosdr.source()
source.set_time_now(osmosdr.time_spec_t.get_system_time())
source.set_sample_rate(self._input_sample_rate)
source.set_center_freq(self._center_frequency, 0)
if 'gain' in d:
gain = int(d['gain'])
source.set_gain(gain, 0)
print("(RF) Gain:",
source.get_gain(0),
'(Requested %d)' % gain,
file=sys.stderr)
for key, value in d.items():
if key.endswith("_gain"):
gain_option_name = key.split('_')[0]
gain_value = int(value)
def match_gain(gain, gain_names):
for gain_name in gain_names:
if gain.lower() == gain_name.lower():
return gain_name
return None
gain_name = match_gain(gain_option_name,
source.get_gain_names())
if gain_name is not None:
source.set_gain(gain_value, gain_name, 0)
print(gain_name,
"Gain:",
source.get_gain(gain_name, 0),
'(Requested %d)' % gain_value,
file=sys.stderr)
else:
print("WARNING: Gain",
gain_option_name,
"not supported by source!",
file=sys.stderr)
print("Supported gains:",
source.get_gain_names(),
file=sys.stderr)
if 'bandwidth' in d:
bandwidth = int(d['bandwidth'])
source.set_bandwidth(bandwidth, 0)
print("Bandwidth:",
source.get_bandwidth(0),
'(Requested %d)' % bandwidth,
file=sys.stderr)
else:
source.set_bandwidth(0, 0)
print("Warning: Setting bandwidth to",
source.get_bandwidth(0),
file=sys.stderr)
if 'antenna' in d:
antenna = d['antenna']
source.set_antenna(antenna, 0)
print("Antenna:",
source.get_antenna(0),
'(Requested %s)' % antenna,
file=sys.stderr)
else:
print("Warning: Setting antenna to",
source.get_antenna(0),
file=sys.stderr)
#source.set_freq_corr($corr0, 0)
#source.set_dc_offset_mode($dc_offset_mode0, 0)
#source.set_iq_balance_mode($iq_balance_mode0, 0)
#source.set_gain_mode($gain_mode0, 0)
#source.set_antenna($ant0, 0)
else:
if sample_format == "rtl":
converter = iridium.iuchar_to_complex()
itemsize = gr.sizeof_char
scale = 1
elif sample_format == "hackrf":
converter = blocks.interleaved_char_to_complex()
itemsize = gr.sizeof_char
scale = 1 / 128.
elif sample_format == "sc16":
converter = blocks.interleaved_short_to_complex()
itemsize = gr.sizeof_short
scale = 1 / 32768.
elif sample_format == "float":
converter = None
itemsize = gr.sizeof_gr_complex
else:
raise RuntimeError(
"Unknown sample format for offline mode given")
if self._filename == '/dev/stdin':
file_source = blocks.file_descriptor_source(itemsize=itemsize,
fd=0,
repeat=False)
else:
file_source = blocks.file_source(itemsize=itemsize,
filename=self._filename,
repeat=False)
if converter:
multi = blocks.multiply_const_cc(scale)
tb.connect(file_source, converter, multi)
source = multi
else:
source = file_source
self._fft_burst_tagger = iridium.fft_burst_tagger(
center_frequency=self._center_frequency,
fft_size=self._fft_size,
sample_rate=self._input_sample_rate,
burst_pre_len=self._burst_pre_len,
burst_post_len=self._burst_post_len,
burst_width=int(self._burst_width),
max_bursts=max_bursts,
threshold=self._threshold,
history_size=512,
offline=self._offline,
debug=self._verbose)
# Initial filter to filter the detected bursts. Runs at burst_sample_rate. Used to decimate the signal.
input_filter = gnuradio.filter.firdes.low_pass_2(
1, self._channel_sample_rate, self._burst_width / 2,
self._burst_width, 40)
#input_filter = gnuradio.filter.firdes.low_pass_2(1, self._channel_sample_rate, 42e3/2, 24e3, 40)
#print len(input_filter)
# Filter to find the start of the signal. Should be fairly narrow.
start_finder_filter = gnuradio.filter.firdes.low_pass_2(
1, self._burst_sample_rate, 5e3 / 2, 10e3 / 2, 60)
#print len(start_finder_filter)
self._iridium_qpsk_demod = iridium.iridium_qpsk_demod_cpp(
self._channels)
self._frame_sorter = iridium.frame_sorter()
self._iridium_frame_printer = iridium.iridium_frame_printer(file_info)
if raw_capture_filename:
multi = blocks.multiply_const_cc(32768)
converter = blocks.complex_to_interleaved_short()
raw_sink = blocks.file_sink(itemsize=gr.sizeof_short,
filename=raw_capture_filename)
tb.connect(source, multi, converter, raw_sink)
# Enable the following if not fast enough
#self._burst_to_pdu_converters = []
#self._burst_downmixers = []
#return
tb.connect(source, self._fft_burst_tagger)
if self._use_pfb:
self._burst_to_pdu_converters = []
self._burst_downmixers = []
sinks = []
for channel in range(self._channels):
center = channel if channel <= self._channels / 2 else (
channel - self._channels)
# Second and third parameters tell the block where after the PFB it sits.
relative_center = center / float(self._channels)
relative_span = 1. / self._channels
relative_sample_rate = relative_span * self._pfb_over_sample_ratio
burst_to_pdu_converter = iridium.tagged_burst_to_pdu(
self._max_burst_len, relative_center, relative_span,
relative_sample_rate, -self._pfb_delay,
self._max_queue_len, not self._offline)
burst_downmixer = iridium.burst_downmix(
self._burst_sample_rate,
int(0.007 * self._burst_sample_rate), 0, (input_filter),
(start_finder_filter),
self._handle_multiple_frames_per_burst)
if debug_id is not None: burst_downmixer.debug_id(debug_id)
self._burst_downmixers.append(burst_downmixer)
self._burst_to_pdu_converters.append(burst_to_pdu_converter)
#pfb_debug_sinks = [blocks.file_sink(itemsize=gr.sizeof_gr_complex, filename="/tmp/channel-%d.f32"%i) for i in range(self._channels)]
pfb_debug_sinks = None
pfb = gnuradio.filter.pfb.channelizer_ccf(
numchans=self._channels,
taps=self._pfb_fir_filter,
oversample_rate=self._pfb_over_sample_ratio)
tb.connect(self._fft_burst_tagger, pfb)
for i in range(self._channels):
tb.connect((pfb, i), self._burst_to_pdu_converters[i])
if pfb_debug_sinks:
tb.connect((pfb, i), pfb_debug_sinks[i])
tb.msg_connect((self._burst_to_pdu_converters[i], 'cpdus'),
(self._burst_downmixers[i], 'cpdus'))
tb.msg_connect(
(self._burst_downmixers[i], 'burst_handled'),
(self._burst_to_pdu_converters[i], 'burst_handled'))
tb.msg_connect((self._burst_downmixers[i], 'cpdus'),
(self._iridium_qpsk_demod, 'cpdus%d' % i))
else:
burst_downmix = iridium.burst_downmix(
self._burst_sample_rate, int(0.007 * self._burst_sample_rate),
0, (input_filter), (start_finder_filter),
self._handle_multiple_frames_per_burst)
if debug_id is not None: burst_downmix.debug_id(debug_id)
burst_to_pdu = iridium.tagged_burst_to_pdu(self._max_burst_len,
0.0, 1.0, 1.0, 0,
self._max_queue_len,
not self._offline)
tb.connect(self._fft_burst_tagger, burst_to_pdu)
tb.msg_connect((burst_to_pdu, 'cpdus'), (burst_downmix, 'cpdus'))
tb.msg_connect((burst_downmix, 'burst_handled'),
(burst_to_pdu, 'burst_handled'))
# Final connection to the demodulator. It prints the output to stdout
tb.msg_connect((burst_downmix, 'cpdus'),
(self._iridium_qpsk_demod, 'cpdus'))
self._burst_downmixers = [burst_downmix]
self._burst_to_pdu_converters = [burst_to_pdu]
tb.msg_connect((self._iridium_qpsk_demod, 'pdus'),
(self._frame_sorter, 'pdus'))
tb.msg_connect((self._frame_sorter, 'pdus'),
(self._iridium_frame_printer, 'pdus'))
def __init__(self, center_frequency, sample_rate, decimation, filename, sample_format=None, threshold=7.0,
burst_width=40e3, offline=False, max_queue_len=500, handle_multiple_frames_per_burst=False,
raw_capture_filename=None, debug_id=None, max_bursts=0, verbose=False, file_info="",
samples_per_symbol=10, config={}):
gr.top_block.__init__(self, "Top Block")
self.handle_sigint = False
self._center_frequency = center_frequency
self._burst_width = burst_width
self._input_sample_rate = sample_rate
self._verbose = verbose
self._threshold = threshold
self._filename = filename
self._offline = offline
self._max_queue_len = max_queue_len
self._handle_multiple_frames_per_burst = handle_multiple_frames_per_burst
self._decimation = decimation
# Sample rate of the bursts exiting the burst downmix block
self._burst_sample_rate = 25000 * samples_per_symbol
if (self._input_sample_rate / self._decimation) % self._burst_sample_rate != 0:
raise RuntimeError("Selected sample rate and decimation can not be matched. Please try a different combination. Sample rate divided by decimation must be a multiple of %d." % self._burst_sample_rate)
self._fft_size = 2**round(math.log(self._input_sample_rate / 1000, 2)) # FFT is approx. 1 ms long
self._burst_pre_len = 2 * self._fft_size
# Keep 16 ms of signal after the FFT loses track
self._burst_post_len = int(self._input_sample_rate * 16e-3)
# Just to keep the code below a bit more portable
tb = self
if self._decimation > 1:
self._use_channelizer = True
# We will set up a filter bank with an odd number of outputs and
# and an over sampling ratio to still get the desired decimation.
# The goal is to reconstruct signals which (due to Doppler shift) end up
# on the border of two channels.
# For this to work the desired decimation must be even.
if self._decimation % 2:
raise RuntimeError("The desired decimation must be 1 or an even number.")
self._channels = self._decimation + 1
if self._decimation >= 8:
self._use_fft_channelizer = True
if 2**int(math.log(self._decimation, 2)) != self._decimation:
raise RuntimeError("Decimations >= 8 must be a power of two.")
self._channel_sample_rate = self._input_sample_rate // self._decimation
# On low end ARM machines we only create a single burst downmixer to not
# overload the CPU. Rather drop bursts than samples.
if platform.machine() == 'aarch64' and multiprocessing.cpu_count() == 4:
self._n_burst_downmixers = 1
else:
self._n_burst_downmixers = 2
else:
self._use_fft_channelizer = False
self._n_burst_downmixers = self._channels
self._channelizer_over_sample_ratio = self._channels / (self._channels - 1.)
channelizer_output_sample_rate = int(round(float(self._input_sample_rate) / self._channels * self._channelizer_over_sample_ratio))
self._channel_sample_rate = channelizer_output_sample_rate
assert channelizer_output_sample_rate == self._input_sample_rate / self._decimation
assert channelizer_output_sample_rate % self._burst_sample_rate == 0
# The over sampled region of the FIR filter contains half of the signal width and
# the transition region of the FIR filter.
# The bandwidth is simply increased by the signal width.
# A signal which has its center frequency directly on the border of
# two channels will reconstruct correctly on both channels.
self._fir_bw = (self._input_sample_rate / self._channels + self._burst_width) / 2
# The remaining bandwidth inside the over sampled region is used to
# contain the transition region of the filter.
# It can be multiplied by two as it is allowed to continue into the
# transition region of the neighboring channel.
# Some details can be found here: https://youtu.be/6ngYp8W-AX0?t=2289
self._fir_tw = (channelizer_output_sample_rate / 2 - self._fir_bw) * 2
# Real world data shows only a minor degradation in performance when
# doubling the transition width.
self._fir_tw *= 2
# If the over sampling ratio is not large enough, there is not
# enough room to construct a transition region.
if self._fir_tw < 0:
raise RuntimeError("PFB over sampling ratio not enough to create a working FIR filter. Please try a different decimation.")
self._pfb_fir_filter = gnuradio.filter.firdes.low_pass_2(1, self._input_sample_rate, self._fir_bw, self._fir_tw, 60)
# If the transition width approaches 0, the filter size goes up significantly.
if len(self._pfb_fir_filter) > 300:
print("Warning: The PFB FIR filter has an abnormal large number of taps:", len(self._pfb_fir_filter), file=sys.stderr)
print("Consider reducing the decimation factor or use a decimation >= 8.", file=sys.stderr)
pfb_input_delay = (len(self._pfb_fir_filter) + 1) // 2 - self._channels / self._channelizer_over_sample_ratio
self._channelizer_delay = pfb_input_delay / self._decimation
if self._verbose:
print("self._channels", self._channels, file=sys.stderr)
print("len(self._pfb_fir_filter)", len(self._pfb_fir_filter), file=sys.stderr)
print("self._channelizer_over_sample_ratio", self._channelizer_over_sample_ratio, file=sys.stderr)
print("self._fir_bw", self._fir_bw, file=sys.stderr)
print("self._fir_tw", self._fir_tw, file=sys.stderr)
print("self._channel_sample_rate", self._channel_sample_rate, file=sys.stderr)
else:
self._use_channelizer = False
self._channel_sample_rate = self._input_sample_rate
self._channels = 1
# After 90 ms there needs to be a pause in the frame sturcture.
# Let's make that the limit for a detected burst
self._max_burst_len = int(self._channel_sample_rate * 0.09)
if self._verbose:
print("require %.1f dB" % self._threshold, file=sys.stderr)
print("burst_width: %d Hz" % self._burst_width, file=sys.stderr)
print("source:", config['source'], file=sys.stderr)
if config['source'] == 'osmosdr':
d = config["osmosdr-source"]
# work around https://github.com/gnuradio/gnuradio/issues/5121
sys.path.append('/usr/local/lib/python3/dist-packages')
import osmosdr
if 'device_args' in d:
source = osmosdr.source(args=d['device_args'])
else:
source = osmosdr.source()
source.set_sample_rate(self._input_sample_rate)
source.set_center_freq(self._center_frequency, 0)
# Set a rough time estimate for potential rx_time tags from USRP devices
# This prevents the output from having bogous time stamps if no GPSDO is available
source.set_time_now(osmosdr.time_spec_t(time.time()))
if 'gain' in d:
gain = int(d['gain'])
source.set_gain(gain, 0)
print("(RF) Gain:", source.get_gain(0), '(Requested %d)' % gain, file=sys.stderr)
for key, value in d.items():
if key.endswith("_gain"):
gain_option_name = key.split('_')[0]
gain_value = int(value)
def match_gain(gain, gain_names):
for gain_name in gain_names:
if gain.lower() == gain_name.lower():
return gain_name
return None
gain_name = match_gain(gain_option_name, source.get_gain_names())
if gain_name is not None:
source.set_gain(gain_value, gain_name, 0)
print(gain_name, "Gain:", source.get_gain(gain_name, 0), '(Requested %d)' % gain_value, file=sys.stderr)
else:
print("WARNING: Gain", gain_option_name, "not supported by source!", file=sys.stderr)
print("Supported gains:", source.get_gain_names(), file=sys.stderr)
if 'bandwidth' in d:
bandwidth = int(d['bandwidth'])
source.set_bandwidth(bandwidth, 0)
print("Bandwidth:", source.get_bandwidth(0), '(Requested %d)' % bandwidth, file=sys.stderr)
else:
source.set_bandwidth(0, 0)
print("Warning: Setting bandwidth to", source.get_bandwidth(0), file=sys.stderr)
if 'antenna' in d:
antenna = d['antenna']
source.set_antenna(antenna, 0)
print("Antenna:", source.get_antenna(0), '(Requested %s)' % antenna, file=sys.stderr)
else:
print("Warning: Setting antenna to", source.get_antenna(0), file=sys.stderr)
if 'clock_source' in d:
print("Setting clock source to:", d['clock_source'], file=sys.stderr)
source.set_clock_source(d['clock_source'], 0)
if 'time_source' in d:
print("Setting time source to:", d['time_source'], file=sys.stderr)
source.set_time_source(d['time_source'], 0)
while (time.time() % 1) < 0.4 or (time.time() % 1) > 0.6:
pass
t = time.time()
source.set_time_next_pps(osmosdr.time_spec_t(int(t) + 1))
time.sleep(1)
#source.set_freq_corr($corr0, 0)
#source.set_dc_offset_mode($dc_offset_mode0, 0)
#source.set_iq_balance_mode($iq_balance_mode0, 0)
#source.set_gain_mode($gain_mode0, 0)
elif config['source'] == 'soapy':
d = config["soapy-source"]
try:
from gnuradio import soapy
except ImportError:
raise ImportError("gr-soapy not found. Make sure you are running GNURadio >= 3.9.2.0")
if 'driver' not in d:
print("No driver specified for soapy", file=sys.stderr)
print("Run 'SoapySDRUtil -i' to see available drivers(factories)", file=sys.stderr)
exit(1)
dev = 'driver=' + d['driver']
# Strip quotes
def sanitize(s):
if s.startswith('"') and s.endswith('"'):
return s.strip('""')
if s.startswith("'") and s.endswith("'"):
return s.strip("''")
return s
# Remove all outer quotes from the args if they are present in the config
if 'device_args' in d:
dev_args = sanitize(d['device_args'])
elif 'dev_args' in d:
dev_args = sanitize(d['dev_args'])
else:
dev_args = ''
stream_args = sanitize(d['stream_args']) if 'stream_args' in d else ''
tune_args = sanitize(d['tune_args']) if 'tune_args' in d else ''
other_settings = sanitize(d['other_settings']) if 'other_settings' in d else ''
# We only support a single channel. Apply tune_args and other_settings to that channel.
source = soapy.source(dev, "fc32", 1, dev_args, stream_args, [tune_args], [other_settings])
source.set_sample_rate(0, self._input_sample_rate)
source.set_frequency(0, self._center_frequency)
if 'gain' in d:
gain = int(d['gain'])
source.set_gain_mode(0, False) # AGC: OFF
source.set_gain(0, gain)
print("Gain:", source.get_gain(0), '(Requested %d)' % gain, file=sys.stderr)
for key, value in d.items():
if key.endswith("_gain"):
gain_option_name = key.split('_')[0]
gain_value = int(value)
def match_gain(gain, gain_names):
for gain_name in gain_names:
if gain.lower() == gain_name.lower():
return gain_name
return None
gain_name = match_gain(gain_option_name, source.list_gains(0))
if gain_name is not None:
source.set_gain(0, gain_name, gain_value)
print(gain_name, "Gain:", source.get_gain(0, gain_name), '(Requested %d)' % gain_value, source.get_gain_range(0, gain_name), file=sys.stderr)
else:
print("WARNING: Gain", gain_option_name, "not supported by source!", file=sys.stderr)
print("Supported gains:", source.list_gains(0), file=sys.stderr)
if 'bandwidth' in d:
bandwidth = int(d['bandwidth'])
source.set_bandwidth(0, bandwidth)
print("Bandwidth:", source.get_bandwidth(0), '(Requested %d)' % bandwidth, file=sys.stderr)
else:
source.set_bandwidth(0, 0)
print("Warning: Setting bandwidth to", source.get_bandwidth(0), file=sys.stderr)
if 'antenna' in d:
antenna = d['antenna']
source.set_antenna(0, antenna)
print("Antenna:", source.get_antenna(0), '(Requested %s)' % antenna, file=sys.stderr)
else:
print("Warning: Setting antenna to", source.get_antenna(0), file=sys.stderr)
#source.set_frequency_correction(0, f_corr)
#source.set_dc_offset_mode(0, True)
#source.set_dc_offset(0, dc_off)
#source.set_iq_balance(0, iq_bal)
elif config['source'] == 'zeromq-sub':
d = config["zeromq-sub-source"]
from gnuradio import zeromq
if 'address' not in d:
print("No address specified for zeromq sub", file=sys.stderr)
exit(1)
pass_tags = False
if 'pass_tags' in d:
pass_tags = bool(distutils.util.strtobool(d['pass_tags']))
timeout = 100
if 'timeout' in d:
timeout = int(d['timeout'])
high_water_mark = -1
if 'high_water_mark' in d:
high_water_mark = int(d['high_water_mark'])
source = zeromq.sub_source(gr.sizeof_gr_complex, 1, d['address'], timeout, pass_tags, high_water_mark, '')
elif config['source'] == 'uhd':
d = config["uhd-source"]
from gnuradio import uhd
dev_addr = ""
if "device_addr" in d:
dev_addr = d['device_addr']
dev_args = d['device_args']
cpu_format = 'fc32'
wire_format = 'sc16'
stream_args = ""
stream_args = uhd.stream_args(cpu_format, wire_format, args=stream_args)
source = uhd.usrp_source(dev_addr + "," + dev_args, stream_args)
source.set_samp_rate(self._input_sample_rate)
source.set_center_freq(self._center_frequency)
if 'gain' in d:
gain = int(d['gain'])
source.set_gain(gain, 0)
print("Gain:", source.get_gain(0), '(Requested %d)' % gain, file=sys.stderr)
if 'bandwidth' in d:
bandwidth = int(d['bandwidth'])
source.set_bandwidth(bandwidth, 0)
print("Bandwidth:", source.get_bandwidth(0), '(Requested %d)' % bandwidth, file=sys.stderr)
else:
source.set_bandwidth(0)
print("Warning: Setting bandwidth to", source.get_bandwidth(0), file=sys.stderr)
if 'antenna' in d:
antenna = d['antenna']
source.set_antenna(antenna, 0)
print("Antenna:", source.get_antenna(0), '(Requested %s)' % antenna, file=sys.stderr)
else:
print("Warning: Setting antenna to", source.get_antenna(0), file=sys.stderr)
print("mboard sensors:", source.get_mboard_sensor_names(0), file=sys.stderr)
#for sensor in source.get_mboard_sensor_names(0):
# print(sensor, source.get_mboard_sensor(sensor, 0))
gpsdo_sources = ('gpsdo', 'jacksonlabs')
time_source = None
if 'time_source' in d:
time_source = d['time_source']
if time_source in gpsdo_sources:
source.set_time_source("gpsdo", 0)
else:
source.set_time_source(time_source, 0)
clock_source = None
if 'clock_source' in d:
clock_source = d['time_source']
if clock_source in gpsdo_sources:
source.set_clock_source("gpsdo", 0)
else:
source.set_clock_source(clock_source, 0)
if time_source in gpsdo_sources or clock_source in gpsdo_sources:
print("Waiting for gps_locked...", file=sys.stderr)
while True:
try:
if d['time_source'] == "jacksonlabs":
servo = source.get_mboard_sensor("gps_servo", 0)
# See https://lists.ettus.com/empathy/thread/6ZOCFQSKLHSG2IH3ID7XPWVKHVHZXPBP
gps_locked = str(servo).split()[8] == "6"
else:
gps_locked = source.get_mboard_sensor("gps_locked", 0).to_bool()
if gps_locked:
break
except ValueError as e:
print(e, file=sys.stderr)
pass
time.sleep(1)
print("gps_locked!", file=sys.stderr)
if clock_source:
print("Waiting for ref_locked...", file=sys.stderr)
while True:
try:
ref_locked = source.get_mboard_sensor("ref_locked", 0)
if ref_locked.to_bool():
break
except ValueError as e:
print(e, file=sys.stderr)
pass
time.sleep(1)
print("ref_locked!", file=sys.stderr)
if time_source:
if time_source in gpsdo_sources:
while True:
try:
gps_time = uhd.time_spec_t(source.get_mboard_sensor("gps_time").to_int())
break
except ValueError as e:
print(e, file=sys.stderr)
pass
time.sleep(1)
next_pps_time = gps_time + 1
else:
system_time = uhd.time_spec_t(int(time.time()))
next_pps_time = system_time + 1
source.set_time_next_pps(next_pps_time)
print("Next PPS at", next_pps_time.get_real_secs(), file=sys.stderr)
print("Sleeping 2 seconds...", file=sys.stderr)
time.sleep(2)
# TODO: Check result for plausibility
print("USRP time:", source.get_time_last_pps(0).get_real_secs(), file=sys.stderr)
else:
# Set a rough time estimate for rx_time tags from the USRP.
# This prevents the output from having bogous time stamps if no GPSDO is available.
source.set_time_now(uhd.time_spec_t(time.time()))
self.source = source
else:
if sample_format == "cu8":
converter = iridium.iuchar_to_complex()
itemsize = gr.sizeof_char
scale = 1
itemtype = np.uint8
elif sample_format == "ci8":
converter = blocks.interleaved_char_to_complex()
itemsize = gr.sizeof_char
scale = 1 / 128.
itemtype = np.int8
elif sample_format == "ci16_le":
converter = blocks.interleaved_short_to_complex()
itemsize = gr.sizeof_short
scale = 1 / 32768.
itemtype = np.int16
elif sample_format == "cf32_le":
converter = None
itemsize = gr.sizeof_gr_complex
itemtype = np.complex64
else:
raise RuntimeError("Unknown sample format for offline mode given")
if config['source'] == 'stdin':
file_source = blocks.file_descriptor_source(itemsize=itemsize, fd=0, repeat=False)
elif config['source'] == 'object':
from iridium.file_object_source import file_object_source
file_source = file_object_source(fileobject=config['object'], itemtype=itemtype)
else:
file_source = blocks.file_source(itemsize=itemsize, filename=config['file'], repeat=False)
self.source = file_source # XXX: keep reference
if converter:
multi = blocks.multiply_const_cc(scale)
tb.connect(file_source, converter, multi)
source = multi
else:
source = file_source
self._fft_burst_tagger = iridium.fft_burst_tagger(center_frequency=self._center_frequency,
fft_size=self._fft_size,
sample_rate=self._input_sample_rate,
burst_pre_len=self._burst_pre_len,
burst_post_len=self._burst_post_len,
burst_width=int(self._burst_width),
max_bursts=max_bursts,
max_burst_len=int(self._input_sample_rate * 0.09),
threshold=self._threshold,
history_size=512,
offline=self._offline,
debug=self._verbose)
self._fft_burst_tagger.set_min_output_buffer(1024 * 64)
# Initial filter to filter the detected bursts. Runs at burst_sample_rate. Used to decimate the signal.
input_filter = gnuradio.filter.firdes.low_pass_2(1, self._channel_sample_rate, self._burst_width / 2, self._burst_width, 40)
#input_filter = gnuradio.filter.firdes.low_pass_2(1, self._channel_sample_rate, 42e3/2, 24e3, 40)
#print len(input_filter)
# Filter to find the start of the signal. Should be fairly narrow.
start_finder_filter = gnuradio.filter.firdes.low_pass_2(1, self._burst_sample_rate, 5e3 / 2, 10e3 / 2, 60)
#print len(start_finder_filter)
self._iridium_qpsk_demod = iridium.iridium_qpsk_demod(self._channels)
self._frame_sorter = iridium.frame_sorter()
self._iridium_frame_printer = iridium.iridium_frame_printer(file_info)
if raw_capture_filename:
multi = blocks.multiply_const_cc(32768)
converter = blocks.complex_to_interleaved_short()
raw_sink = blocks.file_sink(itemsize=gr.sizeof_short, filename=raw_capture_filename + '.sigmf-data')
tb.connect(source, multi, converter, raw_sink)
# Enable the following if not fast enough
#self._burst_to_pdu_converters = []
#self._burst_downmixers = []
#return
tb.connect(source, self._fft_burst_tagger)
if self._use_channelizer:
self._burst_to_pdu_converters = []
self._burst_downmixers = []
sinks = []
for channel in range(self._channels):
if not self._use_fft_channelizer:
center = channel if channel <= self._channels / 2 else (channel - self._channels)
relative_center = center / float(self._channels)
relative_span = 1. / self._channels
relative_sample_rate = relative_span * self._channelizer_over_sample_ratio
# Second and third parameters tell the block where after the PFB it sits.
burst_to_pdu_converter = iridium.tagged_burst_to_pdu(self._max_burst_len,
relative_center,
relative_span,
relative_sample_rate,
-self._channelizer_delay,
self._max_queue_len,
not self._offline)
self._burst_to_pdu_converters.append(burst_to_pdu_converter)
burst_downmixer = iridium.burst_downmix(self._burst_sample_rate,
int(0.007 * self._burst_sample_rate),
0,
(input_filter),
(start_finder_filter),
self._handle_multiple_frames_per_burst)
if debug_id is not None:
burst_downmixer.debug_id(debug_id)
self._burst_downmixers.append(burst_downmixer)
channelizer_debug_sinks = []
#channelizer_debug_sinks = [blocks.file_sink(itemsize=gr.sizeof_gr_complex, filename="/tmp/channel-%d.f32"%i) for i in range(self._channels)]
if self._use_fft_channelizer:
if not channelizer_debug_sinks and self._offline:
# HACK: if there are no stream outputs active GNURadio has issues terminating the
# flowgraph on completion. Connect some dummy sinks to them.
channelizer_debug_sinks = [blocks.null_sink(gr.sizeof_gr_complex) for i in range(self._channels)]
activate_streams = len(channelizer_debug_sinks) > 0
self._channelizer = iridium.fft_channelizer(1024, self._channels - 1, activate_streams, self._n_burst_downmixers, self._max_burst_len,
self._max_queue_len * self._n_burst_downmixers, not self._offline)
else:
self._channelizer = gnuradio.filter.pfb.channelizer_ccf(numchans=self._channels, taps=self._pfb_fir_filter, oversample_rate=self._channelizer_over_sample_ratio)
tb.connect(self._fft_burst_tagger, self._channelizer)
for i in range(self._channels):
if channelizer_debug_sinks:
tb.connect((self._channelizer, i), channelizer_debug_sinks[i])
for i in range(self._n_burst_downmixers):
if self._burst_to_pdu_converters:
tb.connect((self._channelizer, i), self._burst_to_pdu_converters[i])
tb.msg_connect((self._burst_to_pdu_converters[i], 'cpdus'), (self._burst_downmixers[i], 'cpdus'))
tb.msg_connect((self._burst_downmixers[i], 'burst_handled'), (self._burst_to_pdu_converters[i], 'burst_handled'))
else:
tb.msg_connect((self._channelizer, 'cpdus%d' % i), (self._burst_downmixers[i], 'cpdus'))
tb.msg_connect((self._burst_downmixers[i], 'burst_handled'), (self._channelizer, 'burst_handled'))
tb.msg_connect((self._burst_downmixers[i], 'cpdus'), (self._iridium_qpsk_demod, 'cpdus%d' % i))
else:
burst_downmix = iridium.burst_downmix(self._burst_sample_rate, int(0.007 * self._burst_sample_rate), 0, (input_filter), (start_finder_filter), self._handle_multiple_frames_per_burst)
if debug_id is not None:
burst_downmix.debug_id(debug_id)
burst_to_pdu = iridium.tagged_burst_to_pdu(self._max_burst_len,
0.0, 1.0, 1.0,
0,
self._max_queue_len, not self._offline)
tb.connect(self._fft_burst_tagger, burst_to_pdu)
tb.msg_connect((burst_to_pdu, 'cpdus'), (burst_downmix, 'cpdus'))
tb.msg_connect((burst_downmix, 'burst_handled'), (burst_to_pdu, 'burst_handled'))
# Final connection to the demodulator. It prints the output to stdout
tb.msg_connect((burst_downmix, 'cpdus'), (self._iridium_qpsk_demod, 'cpdus'))
self._burst_downmixers = [burst_downmix]
self._burst_to_pdu_converters = [burst_to_pdu]
tb.msg_connect((self._iridium_qpsk_demod, 'pdus'), (self._frame_sorter, 'pdus'))
tb.msg_connect((self._frame_sorter, 'pdus'), (self._iridium_frame_printer, 'pdus'))
def __init__(
self,
fifo='/home/dionisiocar/sdr/receiver_generator/rx_samples.bin',
frequency=100e6,
sample_rate=8000000):
gr.top_block.__init__(self, "bladeRF FIFO RX")
Qt.QWidget.__init__(self)
self.setWindowTitle("bladeRF FIFO RX")
qtgui.util.check_set_qss()
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", "bladeRF_fifo_rx")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Parameters
##################################################
self.fifo = fifo
self.frequency = frequency
self.sample_rate = sample_rate
##################################################
# Variables
##################################################
self.sample_rate_range = sample_rate_range = sample_rate
self.frequency_range = frequency_range = frequency
##################################################
# Blocks
##################################################
self._sample_rate_range_range = Range(160e3, 40e6, 1e6, sample_rate,
200)
self._sample_rate_range_win = RangeWidget(
self._sample_rate_range_range, self.set_sample_rate_range,
'Sample Rate', "counter", float)
self.top_grid_layout.addWidget(self._sample_rate_range_win, 0, 0, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._frequency_range_range = Range(100e6, 500e6, 1e6, frequency, 200)
self._frequency_range_win = RangeWidget(self._frequency_range_range,
self.set_frequency_range,
'Frequency', "counter", float)
self.top_grid_layout.addWidget(self._frequency_range_win, 0, 1, 1, 1)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
frequency_range, #fc
sample_rate_range, #bw
"", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_win = sip.wrapinstance(
self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.qtgui_sink_x_0.enable_rf_freq(False)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_win, 1, 0, 1, 8)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(
(1.0 / 2048.0))
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
True, False)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_short * 2,
fifo, False, 0, 0)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.qtgui_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self)
usage=("%prog: [options] output_filename.\nSpecial output_filename" + \
"\"sdl\" will use video_sink_sdl as realtime output window. " + \
"You then need to have gr-video-sdl installed.\n" +\
"Make sure your input capture file contains interleaved " + \
"shorts not complex floats")
parser = OptionParser(option_class=eng_option, usage=usage)
parser.add_option("-a",
"--args",
type="string",
default="",
help="UHD device address args [default=%default]")
parser.add_option("",
"--spec",
type="string",
default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A",
"--antenna",
type="string",
default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-s",
"--samp-rate",
type="eng_float",
default=1e6,
help="set sample rate")
parser.add_option("-c",
"--contrast",
type="eng_float",
default=1.0,
help="set contrast (default is 1.0)")
parser.add_option("-b",
"--brightness",
type="eng_float",
default=0.0,
help="set brightness (default is 0)")
parser.add_option("-i", "--in-filename", type="string", default=None,
help="Use input file as source. samples must be " + \
"interleaved shorts \n Use usrp_rx_file.py or " + \
"usrp_rx_cfile.py --output-shorts.\n Special " + \
"name \"usrp\" results in realtime capturing " + \
"and processing using usrp.\n" + \
"You then probably need a decimation factor of 64 or higher.")
parser.add_option(
"-f",
"--freq",
type="eng_float",
default=519.25e6,
help=
"set frequency to FREQ.\nNote that the frequency of the video carrier is not at the middle of the TV channel",
metavar="FREQ")
parser.add_option("-g",
"--gain",
type="eng_float",
default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("-p",
"--pal",
action="store_true",
default=False,
help="PAL video format (this is the default)")
parser.add_option("-n",
"--ntsc",
action="store_true",
default=False,
help="NTSC video format")
parser.add_option("-r",
"--repeat",
action="store_false",
default=True,
help="repeat in_file in a loop")
parser.add_option("-N",
"--nframes",
type="eng_float",
default=None,
help="number of frames to collect [default=+inf]")
parser.add_option("",
"--freq-min",
type="eng_float",
default=50.25e6,
help="Set a minimum frequency [default=%default]")
parser.add_option("",
"--freq-max",
type="eng_float",
default=900.25e6,
help="Set a maximum frequency [default=%default]")
(options, args) = parser.parse_args()
if not (len(args) == 1):
parser.print_help()
sys.stderr.write('You must specify the output. FILENAME or sdl \n')
sys.exit(1)
filename = args[0]
self.tv_freq_min = options.freq_min
self.tv_freq_max = options.freq_max
if options.in_filename is None:
parser.print_help()
sys.stderr.write(
'You must specify the input -i FILENAME or -i usrp\n')
raise SystemExit, 1
if not (filename == "sdl"):
options.repeat = False
input_rate = options.samp_rate
print "video sample rate %s" % (eng_notation.num_to_str(input_rate))
if not (options.in_filename == "usrp"):
# file is data source, capture with usr_rx_csfile.py
self.filesource = blocks.file_source(gr.sizeof_short,
options.in_filename,
options.repeat)
self.istoc = blocks.interleaved_short_to_complex()
self.connect(self.filesource, self.istoc)
self.src = self.istoc
else:
if options.freq is None:
parser.print_help()
sys.stderr.write(
'You must specify the frequency with -f FREQ\n')
raise SystemExit, 1
# build the graph
self.u = uhd.usrp_source(device_addr=options.args,
stream_args=uhd.stream_args('fc32'))
# Set the subdevice spec
if (options.spec):
self.u.set_subdev_spec(options.spec, 0)
# Set the antenna
if (options.antenna):
self.u.set_antenna(options.antenna, 0)
self.u.set_samp_rate(input_rate)
dev_rate = self.u.get_samp_rate()
self.src = self.u
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
options.gain = float(g.start() + g.stop()) / 2.0
self.u.set_gain(options.gain)
r = self.u.set_center_freq(options.freq)
if not r:
sys.stderr.write('Failed to set frequency\n')
raise SystemExit, 1
self.agc = analog.agc_cc(1e-7, 1.0, 1.0) #1e-7
self.am_demod = blocks.complex_to_mag()
self.set_blacklevel = blocks.add_const_ff(options.brightness + 255.0)
self.invert_and_scale = blocks.multiply_const_ff(
-options.contrast * 128.0 * 255.0 / (200.0))
self.f2uc = blocks.float_to_uchar()
# sdl window as final sink
if not (options.pal or options.ntsc):
options.pal = True #set default to PAL
if options.pal:
lines_per_frame = 625.0
frames_per_sec = 25.0
show_width = 768
elif options.ntsc:
lines_per_frame = 525.0
frames_per_sec = 29.97002997
show_width = 640
width = int(input_rate / (lines_per_frame * frames_per_sec))
height = int(lines_per_frame)
if filename == "sdl":
#Here comes the tv screen, you have to build and install
#gr-video-sdl for this (subproject of gnuradio)
try:
video_sink = video_sdl.sink_uc(frames_per_sec, width, height,
0, show_width, height)
except:
print "gr-video-sdl is not installed"
print "realtime \"sdl\" video output window is not available"
raise SystemExit, 1
self.dst = video_sink
else:
print "You can use the imagemagick display tool to show the resulting imagesequence"
print "use the following line to show the demodulated TV-signal:"
print "display -depth 8 -size " + str(width) + "x" + str(
height) + " gray:" + filename
print "(Use the spacebar to advance to next frames)"
file_sink = blocks.file_sink(gr.sizeof_char, filename)
self.dst = file_sink
if options.nframes is None:
self.connect(self.src, self.agc)
else:
self.head = blocks.head(gr.sizeof_gr_complex,
int(options.nframes * width * height))
self.connect(self.src, self.head, self.agc)
self.connect(self.agc, self.am_demod, self.invert_and_scale,
self.set_blacklevel, self.f2uc, self.dst)
if sample_rate is not None:
self._send_and_wait_for_ok("RATE", sample_rate)
else:
#sample_rate = self.adc_freq() / decim_rate
if self.set_decim_rate(decim_rate) == False:
raise Exception, "Invalid decimation: %s (sample rate: %s)" % (decim_rate, sample_rate)
if self.udp_source is None:
assert self.vec2stream is None and self.ishort2complex is None
udp_interface = "0.0.0.0" # MAGIC
self.udp_source = baz.udp_source(gr.sizeof_short * 2, udp_interface, udp_port, self._packet_size, True, True, True)
#print "--> UDP Source listening on port:", udp_port, "interface:", udp_interface, "MTU:", self._packet_size
if self._format == "fc32":
try: self.vec2stream = blocks.vector_to_stream(gr.sizeof_short * 1, 2)
except: self.vec2stream = gr.vector_to_stream(gr.sizeof_short * 1, 2)
try: self.ishort2complex = blocks.interleaved_short_to_complex() # FIXME: Use vector mode and skip 'vector_to_stream'
except: self.ishort2complex = gr.interleaved_short_to_complex()
mul_factor = 1./2**15
try: self.multiply_const = blocks.multiply_const_cc(mul_factor)
except: self.multiply_const = gr.multiply_const_cc(mul_factor)
self.connect(self.udp_source, self.vec2stream, self.ishort2complex, self.multiply_const, self)
elif self._format == "sc16":
self.connect(self.udp_source, self)
else:
assert self.vec2stream is not None and self.ishort2complex is not None
if self._listen_only == False:
if self._last_antenna is not None:
self.select_rx_antenna(self._last_antenna)
if self._last_freq is not None:
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
usage="%prog: [options] [input_filename]. \n If you don't specify an input filename the usrp will be used as source\n " \
"Make sure your input capture file contains interleaved shorts not complex floats"
parser = OptionParser(option_class=eng_option, usage=usage)
parser.add_option("-a",
"--args",
type="string",
default="",
help="UHD device address args [default=%default]")
parser.add_option("",
"--spec",
type="string",
default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A",
"--antenna",
type="string",
default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-s",
"--samp-rate",
type="eng_float",
default=1e6,
help="set sample rate")
parser.add_option("-f",
"--freq",
type="eng_float",
default=519.25e6,
help="set frequency to FREQ",
metavar="FREQ")
parser.add_option("-g",
"--gain",
type="eng_float",
default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("-c",
"--contrast",
type="eng_float",
default=1.0,
help="set contrast (default is 1.0)")
parser.add_option("-b",
"--brightness",
type="eng_float",
default=0.0,
help="set brightness (default is 0)")
parser.add_option("-p",
"--pal",
action="store_true",
default=False,
help="PAL video format (this is the default)")
parser.add_option("-n",
"--ntsc",
action="store_true",
default=False,
help="NTSC video format")
parser.add_option(
"-o",
"--out-filename",
type="string",
default="sdl",
help=
"For example out_raw_uchar.gray. If you don't specify an output filename you will get a video_sink_sdl realtime output window. You then need to have gr-video-sdl installed)"
)
parser.add_option("-r",
"--repeat",
action="store_false",
default=True,
help="repeat file in a loop")
parser.add_option("",
"--freq-min",
type="eng_float",
default=50.25e6,
help="Set a minimum frequency [default=%default]")
parser.add_option("",
"--freq-max",
type="eng_float",
default=900.25e6,
help="Set a maximum frequency [default=%default]")
(options, args) = parser.parse_args()
if not ((len(args) == 1) or (len(args) == 0)):
parser.print_help()
sys.exit(1)
if len(args) == 1:
filename = args[0]
else:
filename = None
self.frame = frame
self.panel = panel
self.contrast = options.contrast
self.brightness = options.brightness
self.state = "FREQ"
self.freq = 0
self.tv_freq_min = options.freq_min
self.tv_freq_max = options.freq_max
# build graph
self.u = None
if not (options.out_filename == "sdl"):
options.repeat = False
usrp_rate = options.samp_rate
if not ((filename is None) or (filename == "usrp")):
# file is data source
self.filesource = blocks.file_source(gr.sizeof_short, filename,
options.repeat)
self.istoc = blocks.interleaved_short_to_complex()
self.connect(self.filesource, self.istoc)
self.src = self.istoc
options.gain = 0.0
self.gain = 0.0
else: # use a UHD device
self.u = uhd.usrp_source(device_addr=options.args,
stream_args=uhd.stream_args('fc32'))
# Set the subdevice spec
if (options.spec):
self.u.set_subdev_spec(options.spec, 0)
# Set the antenna
if (options.antenna):
self.u.set_antenna(options.antenna, 0)
self.u.set_samp_rate(usrp_rate)
dev_rate = self.u.get_samp_rate()
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
options.gain = float(g.start() + g.stop()) / 2.0
self.src = self.u
self.gain = options.gain
f2uc = blocks.float_to_uchar()
# sdl window as final sink
if not (options.pal or options.ntsc):
options.pal = True #set default to PAL
if options.pal:
lines_per_frame = 625.0
frames_per_sec = 25.0
show_width = 768
elif options.ntsc:
lines_per_frame = 525.0
frames_per_sec = 29.97002997
show_width = 640
width = int(usrp_rate / (lines_per_frame * frames_per_sec))
height = int(lines_per_frame)
if (options.out_filename == "sdl"):
#Here comes the tv screen, you have to build and install
#gr-video-sdl for this (subproject of gnuradio, only in cvs
#for now)
try:
video_sink = video_sdl.sink_uc(frames_per_sec, width, height,
0, show_width, height)
except:
print "gr-video-sdl is not installed"
print "realtime \"sdl\" video output window is not available"
raise SystemExit, 1
self.dst = video_sink
else:
print "You can use the imagemagick display tool to show the resulting imagesequence"
print "use the following line to show the demodulated TV-signal:"
print "display -depth 8 -size " +str(width)+ "x" + str(height) \
+ " gray:" + options.out_filename
print "(Use the spacebar to advance to next frames)"
options.repeat = False
file_sink = blocks.file_sink(gr.sizeof_char, options.out_filename)
self.dst = file_sink
self.agc = analog.agc_cc(1e-7, 1.0, 1.0) #1e-7
self.am_demod = blocks.complex_to_mag()
self.set_blacklevel = blocks.add_const_ff(0.0)
self.invert_and_scale = blocks.multiply_const_ff(
0.0) #-self.contrast *128.0*255.0/(200.0)
# now wire it all together
#sample_rate=options.width*options.height*options.framerate
process_type = 'do_no_sync'
if process_type == 'do_no_sync':
self.connect(self.src, self.agc, self.am_demod,
self.invert_and_scale, self.set_blacklevel, f2uc,
self.dst)
elif process_type == 'do_tv_sync_adv':
#defaults: gr.tv_sync_adv (double sampling_freq, unsigned
#int tv_format,bool output_active_video_only=false, bool
#do_invert=false, double wanted_black_level=0.0, double
#wanted_white_level=255.0, double avg_alpha=0.1, double
#initial_gain=1.0, double initial_offset=0.0,bool
#debug=false)
#note, this block is not yet in cvs
self.tv_sync_adv = gr.tv_sync_adv(usrp_rate, 0, False, False, 0.0,
255.0, 0.01, 1.0, 0.0, False)
self.connect(self.src, self.am_demod, self.invert_and_scale,
self.tv_sync_adv, s2f, f2uc, self.dst)
elif process_type == 'do_nullsink':
#self.connect (self.src, self.am_demod,self.invert_and_scale,f2uc,video_sink)
c2r = blocks.complex_to_real()
nullsink = blocks.null_sink(gr.sizeof_float)
self.connect(self.src, c2r, nullsink) #video_sink)
elif process_type == 'do_tv_sync_corr':
frame_size = width * height #int(usrp_rate/25.0)
nframes = 10 # 32
search_window = 20 * nframes
debug = False
video_alpha = 0.3 #0.1
corr_alpha = 0.3
#Note: this block is not yet in cvs
tv_corr = gr.tv_correlator_ff(frame_size, nframes, search_window,
video_alpha, corr_alpha, debug)
shift = blocks.add_const_ff(-0.7)
self.connect(self.src, self.agc, self.am_demod, tv_corr,
self.invert_and_scale, self.set_blacklevel, f2uc,
self.dst)
else: # process_type=='do_test_image':
src_vertical_bars = analog.sig_source_f(usrp_rate,
analog.GR_SIN_WAVE,
10.0 * usrp_rate / 320,
255, 128)
self.connect(src_vertical_bars, f2uc, self.dst)
self._build_gui(vbox, usrp_rate, usrp_rate, usrp_rate)
frange = self.u.get_freq_range()
if (frange.start() > self.tv_freq_max
or frange.stop() < self.tv_freq_min):
sys.stderr.write(
"Radio does not support required frequency range.\n")
sys.exit(1)
if (options.freq < self.tv_freq_min
or options.freq > self.tv_freq_max):
sys.stderr.write(
"Requested frequency is outside of required frequency range.\n"
)
sys.exit(1)
# set initial values
self.set_gain(options.gain)
self.set_contrast(self.contrast)
self.set_brightness(options.brightness)
if not (self.set_freq(options.freq)):
self._set_status_msg("Failed to set initial frequency")
def __init__(self, center_frequency, sample_rate, decimation, filename, sample_format=None, threshold=7.0, signal_width=40e3, offline=False, max_queue_len=500, verbose=False):
gr.top_block.__init__(self, "Top Block")
self._center_frequency = center_frequency
self._signal_width = 40e3
self._input_sample_rate = sample_rate
self._verbose = verbose
self._threshold = threshold
self._filename = filename
self._offline = offline
self._max_queue_len = max_queue_len
self._fft_size = int(math.pow(2, 1 + int(math.log(self._input_sample_rate / 1000, 2)))) # fft is approx 1ms long
self._burst_pre_len = 2 * self._fft_size
self._burst_post_len = 8 * self._fft_size
self._burst_width= int(self._signal_width / (self._input_sample_rate / self._fft_size)) # Area to ignore around an already found signal in FFT bins
if decimation > 1:
self._use_pfb = True
# We will set up a filter bank with an odd number of outputs and
# and an over sampling ratio to still get the desired decimation.
# The goal is to still catch signal which (due to doppler shift) end up
# on the border of two channels.
# For this to work the desired decimation must be even.
if decimation % 2:
raise RuntimeError("The desired decimation must be 1 or an even number")
self._channels = decimation + 1
self._pfb_over_sample_ratio = self._channels / (self._channels - 1.)
pfb_output_sample_rate = int(round(float(self._input_sample_rate) / self._channels * self._pfb_over_sample_ratio))
assert pfb_output_sample_rate == self._input_sample_rate / decimation
# The over sampled region of the FIR filter contains half of the signal width and
# the transition region of the FIR filter.
# The bandwidth is simply increased by the signal width.
# A signal which has its center frequency directly on the border of
# two channels will reconstruct correclty on both channels.
self._fir_bw = (self._input_sample_rate / self._channels + self._signal_width) / 2
# The remaining bandwidth inside the over samples region is used to
# contain the transistion region of the filter.
# It can be multiplied by two as it is allowed to continue into the
# transition region of the neighboring channel.
# TODO: Draw a nice graphic how this works.
self._fir_tw = (pfb_output_sample_rate / 2 - self._fir_bw) * 2
# If the over sampling ratio is not large enough, there is not
# enough room to construct a transition region.
if self._fir_tw < 0:
raise RuntimeError("PFB over sampling ratio not enough to create a working FIR filter")
self._pfb_fir_filter = gnuradio.filter.firdes.low_pass_2(1, self._input_sample_rate, self._fir_bw, self._fir_tw, 60)
# If the transition width approaches 0, the filter size goes up significantly.
if len(self._pfb_fir_filter) > 200:
print >> sys.stderr, "Warning: The PFB FIR filter has an abnormal large number of taps:", len(self._pfb_fir_filter)
print >> sys.stderr, "Consider reducing the decimation factor or increase the over sampling ratio"
self._burst_sample_rate = pfb_output_sample_rate
if self._verbose:
print >> sys.stderr, "self._channels", self._channels
print >> sys.stderr, "len(self._pfb_fir_filter)", len(self._pfb_fir_filter)
print >> sys.stderr, "self._pfb_over_sample_ratio", self._pfb_over_sample_ratio
print >> sys.stderr, "self._fir_bw", self._fir_bw
print >> sys.stderr, "self._fir_tw", self._fir_tw
print >> sys.stderr, "self._burst_sample_rate", self._burst_sample_rate
else:
self._use_pfb = False
self._burst_sample_rate = self._input_sample_rate
# After 90 ms there needs to be a pause in the frame sturcture.
# Let's make that the limit for a detected burst
self._max_burst_len = int(self._burst_sample_rate * 0.09)
if self._verbose:
print >> sys.stderr, "require %.1f dB" % self._threshold
print >> sys.stderr, "burst_width: %d (= %.1f Hz)" % (self._burst_width, self._burst_width*self._input_sample_rate/self._fft_size)
if self._filename.endswith(".conf"):
import ConfigParser
config = ConfigParser.ConfigParser()
config.read(self._filename)
items = config.items("osmosdr-source")
d = {key: value for key, value in items}
if 'device_args' in d:
source = osmosdr.source(args=d['device_args'])
else:
source = osmosdr.source()
source.set_sample_rate(self._input_sample_rate)
source.set_center_freq(self._center_frequency, 0)
if 'gain' in d:
gain = int(d['gain'])
source.set_gain(gain, 0)
print >> sys.stderr, "(RF) Gain:", source.get_gain(0), '(Requested %d)' % gain
if 'if_gain' in d:
if_gain = int(d['if_gain'])
source.set_if_gain(if_gain, 0)
print >> sys.stderr, "IF Gain:", source.get_gain("IF", 0), '(Requested %d)' % if_gain
if 'mix_gain' in d:
mix_gain = int(d['mix_gain'])
source.set_mix_gain(mix_gain, 0)
print >> sys.stderr, "MIX Gain:", source.get_gain("MIX", 0), '(Requested %d)' % mix_gain
if 'bb_gain' in d:
bb_gain = int(d['bb_gain'])
source.set_bb_gain(bb_gain, 0)
print >> sys.stderr, "BB Gain:", source.get_gain("BB", 0), '(Requested %d)' % bb_gain
if 'bandwidth' in d:
bandwidth = int(d['bandwidth'])
source.set_bandwidth(bandwidth, 0)
print >> sys.stderr, "Bandwidth:", source.get_bandwidth(0), '(Requested %d)' % bandwidth
else:
source.set_bandwidth(0, 0)
print >> sys.stderr, "Warning: Setting bandwidth to", source.get_bandwidth(0)
#source.set_freq_corr($corr0, 0)
#source.set_dc_offset_mode($dc_offset_mode0, 0)
#source.set_iq_balance_mode($iq_balance_mode0, 0)
#source.set_gain_mode($gain_mode0, 0)
#source.set_antenna($ant0, 0)
converter = None
else:
if sample_format == "rtl":
converter = iridium.iuchar_to_complex()
itemsize = gr.sizeof_char
elif sample_format == "hackrf":
converter = blocks.interleaved_char_to_complex()
itemsize = gr.sizeof_char
elif sample_format == "sc16":
converter = blocks.interleaved_short_to_complex()
itemsize = gr.sizeof_short
elif sample_format == "float":
converter = None
itemsize = gr.sizeof_gr_complex
else:
raise RuntimeError("Unknown sample format for offline mode given")
source = blocks.file_source(itemsize=itemsize, filename=self._filename, repeat=False)
# Just to keep the code below a bit more portable
tb = self
#fft_burst_tagger::make(float center_frequency, int fft_size, int sample_rate,
# int burst_pre_len, int burst_post_len, int burst_width,
# int max_bursts, float threshold, int history_size, bool debug)
self._fft_burst_tagger = iridium.fft_burst_tagger(center_frequency=self._center_frequency,
fft_size=self._fft_size,
sample_rate=self._input_sample_rate,
burst_pre_len=self._burst_pre_len, burst_post_len=self._burst_post_len,
burst_width=self._burst_width,
max_bursts=100,
threshold=self._threshold,
history_size=512,
debug=self._verbose)
# Initial filter to filter the detected bursts. Runs at burst_sample_rate. Used to decimate the signal.
# TODO: Should probably be set to self._signal_width
input_filter = gnuradio.filter.firdes.low_pass_2(1, self._burst_sample_rate, 40e3/2, 40e3, 40)
#input_filter = gnuradio.filter.firdes.low_pass_2(1, self._burst_sample_rate, 42e3/2, 24e3, 40)
#print len(input_filter)
# Filter to find the start of the signal. Should be fairly narrow.
# TODO: 250000 appears as magic number here
start_finder_filter = gnuradio.filter.firdes.low_pass_2(1, 250000, 5e3/2, 10e3/2, 60)
#print len(start_finder_filter)
self._iridium_qpsk_demod = iridium.iridium_qpsk_demod_cpp()
#self._iridium_qpsk_demod = iridium.iridium_qpsk_demod(250000)
if self._use_pfb:
self._burst_to_pdu_converters = []
self._burst_downmixers = []
sinks = []
for channel in range(self._channels):
center = channel if channel <= self._channels / 2 else (channel - self._channels)
# Second and third parameters tell the block where after the PFB it sits.
relative_center = center / float(self._channels)
relative_span = 1. / self._channels
relative_sample_rate = relative_span * self._pfb_over_sample_ratio
burst_to_pdu_converter = iridium.tagged_burst_to_pdu(self._max_burst_len, relative_center,
relative_span, relative_sample_rate, self._max_queue_len, not self._offline)
burst_downmixer = iridium.burst_downmix(self._burst_sample_rate,
int(0.007 * 250000), 0, (input_filter), (start_finder_filter))
self._burst_downmixers.append(burst_downmixer)
self._burst_to_pdu_converters.append(burst_to_pdu_converter)
#pfb_debug_sinks = [blocks.file_sink(itemsize=gr.sizeof_gr_complex, filename="/tmp/channel-%d.f32"%i) for i in range(self._channels)]
pfb_debug_sinks = None
pfb = gnuradio.filter.pfb.channelizer_ccf(numchans=self._channels, taps=self._pfb_fir_filter, oversample_rate=self._pfb_over_sample_ratio)
if converter:
tb.connect(source, converter, self._fft_burst_tagger, pfb)
else:
tb.connect(source, self._fft_burst_tagger, pfb)
for i in range(self._channels):
tb.connect((pfb, i), self._burst_to_pdu_converters[i])
if pfb_debug_sinks:
tb.connect((pfb, i), pfb_debug_sinks[i])
tb.msg_connect((self._burst_to_pdu_converters[i], 'cpdus'), (self._burst_downmixers[i], 'cpdus'))
tb.msg_connect((self._burst_downmixers[i], 'burst_handled'), (self._burst_to_pdu_converters[i], 'burst_handled'))
tb.msg_connect((self._burst_downmixers[i], 'cpdus'), (self._iridium_qpsk_demod, 'cpdus'))
else:
burst_downmix = iridium.burst_downmix(self._burst_sample_rate, int(0.007 * 250000), 0, (input_filter), (start_finder_filter))
burst_to_pdu = iridium.tagged_burst_to_pdu(self._max_burst_len, 0.0, 1.0, 1.0, self._max_queue_len, not self._offline)
if converter:
#multi = blocks.multiply_const_cc(1/128.)
#tb.connect(source, converter, multi, self._fft_burst_tagger, burst_to_pdu)
tb.connect(source, converter, self._fft_burst_tagger, burst_to_pdu)
else:
tb.connect(source, self._fft_burst_tagger, burst_to_pdu)
tb.msg_connect((burst_to_pdu, 'cpdus'), (burst_downmix, 'cpdus'))
tb.msg_connect((burst_downmix, 'burst_handled'), (burst_to_pdu, 'burst_handled'))
# Final connection to the demodulator. It prints the output to stdout
tb.msg_connect((burst_downmix, 'cpdus'), (self._iridium_qpsk_demod, 'cpdus'))
self._burst_downmixers = [burst_downmix]
self._burst_to_pdu_converters = [burst_to_pdu]
def __init__(self, filename, loop, decimation, samp_rate, f0, short,
start_time):
gr.hier_block2.__init__(self, "uhd_timed_cordic_emulator",
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
# setup logger
logger_name = 'gr_log.' + self.to_basic_block().alias()
if logger_name in gr.logger_get_names():
self.log = gr.logger(logger_name)
else:
self.log = gr.logger('log')
# variables
taps = filter.firdes.low_pass_2(1, samp_rate,
(samp_rate * 0.4) / decimation,
(samp_rate * 0.4) / decimation, 60)
self.log.debug("freq xlating filter created with " + repr(len(taps)) +
" taps")
fc_start = f0
# message inputs / outputs
self.message_port_register_hier_in("command")
# blocks
if short:
self.file = blocks.file_source(gr.sizeof_short * 1, filename, loop)
else:
self.file = blocks.file_source(gr.sizeof_gr_complex * 1, filename,
loop)
self.deint = blocks.interleaved_short_to_complex(
False, False, 1.0 / pow(2, 15))
self.throttle = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate,
True)
self.tagger = timing_utils.add_usrp_tags_c(
fc_start, samp_rate, int(start_time),
(start_time - int(start_time)))
self.tuner = timing_utils.retune_uhd_to_timed_tag(
int(samp_rate), timing_utils.PMTCONSTSTR__dsp_freq(),
int(start_time), (start_time - int(start_time)))
if DECIMATE_IN_FREQ_XLATING_FILTER:
self.filt = timing_utils.timed_freq_xlating_fir_ccf(
decimation, (taps), fc_start, samp_rate)
else:
self.filt = timing_utils.timed_freq_xlating_fir_ccf(
1, [1], fc_start, samp_rate)
self.fir = filter.fir_filter_ccf(decimation, (taps))
self.fir.declare_sample_delay(0)
# connections
if short:
self.connect(self.file, self.deint)
self.connect(self.deint, self.throttle)
self.connect(self.throttle, self.tagger)
else:
self.connect(self.file, self.throttle)
self.connect(self.throttle, self.tagger)
self.connect(self.tagger, self.tuner)
self.connect(self.tuner, self.filt)
if DECIMATE_IN_FREQ_XLATING_FILTER:
self.connect(self.filt, self)
else:
self.connect(self.filt, self.fir)
self.connect(self.fir, self)
self.msg_connect(self, "command", self.tuner, "command")
def __init__(self,frame,panel,vbox,argv):
stdgui2.std_top_block.__init__ (self,frame,panel,vbox,argv)
usage="%prog: [options] [input_filename]. \n If you don't specify an input filename the usrp will be used as source\n " \
"Make sure your input capture file contains interleaved shorts not complex floats"
parser=OptionParser(option_class=eng_option, usage=usage)
parser.add_option("-a", "--args", type="string", default="",
help="UHD device address args [default=%default]")
parser.add_option("", "--spec", type="string", default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A", "--antenna", type="string", default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-s", "--samp-rate", type="eng_float", default=1e6,
help="set sample rate")
parser.add_option("-f", "--freq", type="eng_float", default=519.25e6,
help="set frequency to FREQ", metavar="FREQ")
parser.add_option("-g", "--gain", type="eng_float", default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("-c", "--contrast", type="eng_float", default=1.0,
help="set contrast (default is 1.0)")
parser.add_option("-b", "--brightness", type="eng_float", default=0.0,
help="set brightness (default is 0)")
parser.add_option("-p", "--pal", action="store_true", default=False,
help="PAL video format (this is the default)")
parser.add_option("-n", "--ntsc", action="store_true", default=False,
help="NTSC video format")
parser.add_option("-o", "--out-filename", type="string", default="sdl",
help="For example out_raw_uchar.gray. If you don't specify an output filename you will get a video_sink_sdl realtime output window. You then need to have gr-video-sdl installed)")
parser.add_option("-r", "--repeat", action="store_false", default=True,
help="repeat file in a loop")
parser.add_option("", "--freq-min", type="eng_float", default=50.25e6,
help="Set a minimum frequency [default=%default]")
parser.add_option("", "--freq-max", type="eng_float", default=900.25e6,
help="Set a maximum frequency [default=%default]")
(options, args) = parser.parse_args()
if not ((len(args) == 1) or (len(args) == 0)):
parser.print_help()
sys.exit(1)
if len(args) == 1:
filename = args[0]
else:
filename = None
self.frame = frame
self.panel = panel
self.contrast = options.contrast
self.brightness = options.brightness
self.state = "FREQ"
self.freq = 0
self.tv_freq_min = options.freq_min
self.tv_freq_max = options.freq_max
# build graph
self.u=None
if not (options.out_filename=="sdl"):
options.repeat=False
usrp_rate = options.samp_rate
if not ((filename is None) or (filename=="usrp")):
# file is data source
self.filesource = blocks.file_source(gr.sizeof_short,filename,options.repeat)
self.istoc = blocks.interleaved_short_to_complex()
self.connect(self.filesource,self.istoc)
self.src=self.istoc
options.gain=0.0
self.gain=0.0
else: # use a UHD device
self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32'))
# Set the subdevice spec
if(options.spec):
self.u.set_subdev_spec(options.spec, 0)
# Set the antenna
if(options.antenna):
self.u.set_antenna(options.antenna, 0)
self.u.set_samp_rate(usrp_rate)
dev_rate = self.u.get_samp_rate()
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
options.gain = float(g.start()+g.stop())/2.0
self.src=self.u
self.gain = options.gain
f2uc = blocks.float_to_uchar()
# sdl window as final sink
if not (options.pal or options.ntsc):
options.pal=True #set default to PAL
if options.pal:
lines_per_frame=625.0
frames_per_sec=25.0
show_width=768
elif options.ntsc:
lines_per_frame=525.0
frames_per_sec=29.97002997
show_width=640
width=int(usrp_rate/(lines_per_frame*frames_per_sec))
height=int(lines_per_frame)
if (options.out_filename=="sdl"):
#Here comes the tv screen, you have to build and install
#gr-video-sdl for this (subproject of gnuradio, only in cvs
#for now)
try:
video_sink = video_sdl.sink_uc ( frames_per_sec, width, height, 0,
show_width, height)
except:
print "gr-video-sdl is not installed"
print "realtime \"sdl\" video output window is not available"
raise SystemExit, 1
self.dst=video_sink
else:
print "You can use the imagemagick display tool to show the resulting imagesequence"
print "use the following line to show the demodulated TV-signal:"
print "display -depth 8 -size " +str(width)+ "x" + str(height) \
+ " gray:" + options.out_filename
print "(Use the spacebar to advance to next frames)"
options.repeat=False
file_sink = blocks.file_sink(gr.sizeof_char, options.out_filename)
self.dst =file_sink
self.agc = analog.agc_cc(1e-7,1.0,1.0) #1e-7
self.am_demod = blocks.complex_to_mag ()
self.set_blacklevel = blocks.add_const_ff(0.0)
self.invert_and_scale = blocks.multiply_const_ff (0.0) #-self.contrast *128.0*255.0/(200.0)
# now wire it all together
#sample_rate=options.width*options.height*options.framerate
process_type='do_no_sync'
if process_type=='do_no_sync':
self.connect (self.src, self.agc,self.am_demod,
self.invert_and_scale, self.set_blacklevel,
f2uc,self.dst)
elif process_type=='do_tv_sync_adv':
#defaults: gr.tv_sync_adv (double sampling_freq, unsigned
#int tv_format,bool output_active_video_only=false, bool
#do_invert=false, double wanted_black_level=0.0, double
#wanted_white_level=255.0, double avg_alpha=0.1, double
#initial_gain=1.0, double initial_offset=0.0,bool
#debug=false)
#note, this block is not yet in cvs
self.tv_sync_adv=gr.tv_sync_adv(usrp_rate, 0, False, False,
0.0, 255.0, 0.01, 1.0, 0.0, False)
self.connect (self.src, self.am_demod, self.invert_and_scale,
self.tv_sync_adv, s2f, f2uc, self.dst)
elif process_type=='do_nullsink':
#self.connect (self.src, self.am_demod,self.invert_and_scale,f2uc,video_sink)
c2r=blocks.complex_to_real()
nullsink=blocks.null_sink(gr.sizeof_float)
self.connect (self.src, c2r,nullsink) #video_sink)
elif process_type=='do_tv_sync_corr':
frame_size=width*height #int(usrp_rate/25.0)
nframes=10# 32
search_window=20*nframes
debug=False
video_alpha=0.3 #0.1
corr_alpha=0.3
#Note: this block is not yet in cvs
tv_corr=gr.tv_correlator_ff(frame_size,nframes, search_window,
video_alpha, corr_alpha,debug)
shift = blocks.add_const_ff(-0.7)
self.connect (self.src, self.agc, self.am_demod, tv_corr,
self.invert_and_scale, self.set_blacklevel,
f2uc, self.dst)
else: # process_type=='do_test_image':
src_vertical_bars = analog.sig_source_f(usrp_rate, analog.GR_SIN_WAVE,
10.0 *usrp_rate/320, 255,128)
self.connect(src_vertical_bars, f2uc, self.dst)
self._build_gui(vbox, usrp_rate, usrp_rate, usrp_rate)
frange = self.u.get_freq_range()
if(frange.start() > self.tv_freq_max or frange.stop() < self.tv_freq_min):
sys.stderr.write("Radio does not support required frequency range.\n")
sys.exit(1)
if(options.freq < self.tv_freq_min or options.freq > self.tv_freq_max):
sys.stderr.write("Requested frequency is outside of required frequency range.\n")
sys.exit(1)
# set initial values
self.set_gain(options.gain)
self.set_contrast(self.contrast)
self.set_brightness(options.brightness)
if not(self.set_freq(options.freq)):
self._set_status_msg("Failed to set initial frequency")
def __init__(self,
channel_num=22,
decim=50,
directory="./",
f_offset=0,
fc=947.4e6,
out_directory="./",
samp_rate=25e6):
gr.top_block.__init__(self, "Get Channel")
##################################################
# Parameters
##################################################
self.channel_num = channel_num
self.decim = decim
self.directory = directory
self.f_offset = f_offset
self.fc = fc
self.out_directory = out_directory
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.SDCCH = SDCCH = 6
self.RACH = RACH = 3
self.PCH = PCH = 5
self.CHANNEL_UNKNOWN = CHANNEL_UNKNOWN = 0
self.CCCH = CCCH = 2
self.BCCH = BCCH = 1
self.AGCH = AGCH = 4
##################################################
# Blocks
##################################################
self.pfb_decimator_ccf_0 = pfb.decimator_ccf(decim, (), 0, 100, True,
True)
self.pfb_decimator_ccf_0.declare_sample_delay(0)
self.blocks_rotator_cc_0 = blocks.rotator_cc(
-2 * math.pi *
(arfcn.get_freq_from_arfcn(channel_num, 'e') - fc + f_offset) /
samp_rate)
self.blocks_interleaved_short_to_complex_1 = blocks.interleaved_short_to_complex(
False, False)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_short * 1,
"/home/piotr/Odbiornik_gsm/Hopping/test_data/nagranie_hopping_4",
False)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_gr_complex * 1,
"" + out_directory + "/fc_" + str(channel_num) + ".cfile", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0),
(self.blocks_interleaved_short_to_complex_1, 0))
self.connect((self.blocks_interleaved_short_to_complex_1, 0),
(self.blocks_rotator_cc_0, 0))
self.connect((self.blocks_rotator_cc_0, 0),
(self.pfb_decimator_ccf_0, 0))
self.connect((self.pfb_decimator_ccf_0, 0),
(self.blocks_file_sink_0, 0))
def graph (args):
print os.getpid()
nargs = len(args)
if nargs == 2:
infile = args[0]
outfile = args[1]
else:
raise ValueError('usage: interp.py input_file output_file.ts\n')
input_rate = 19.2e6
IF_freq = 5.75e6
tb = gr.top_block()
# Read from input file
srcf = blocks.file_source(gr.sizeof_short, infile)
# Convert interleaved shorts (I,Q,I,Q) to complex
is2c = blocks.interleaved_short_to_complex()
# 1/2 as wide because we're designing lp filter
symbol_rate = atsc.ATSC_SYMBOL_RATE/2.
NTAPS = 279
tt = filter.firdes.root_raised_cosine (1.0, input_rate / 3, symbol_rate, .1152, NTAPS)
rrc = filter.fir_filter_ccf(1, tt)
# Interpolate Filter our 6MHz wide signal centered at 0
ilp_coeffs = filter.firdes.low_pass(1, input_rate, 3.2e6, .5e6, filter.firdes.WIN_HAMMING)
ilp = filter.interp_fir_filter_ccf(3, ilp_coeffs)
# Move the center frequency to 5.75MHz ( this wont be needed soon )
duc_coeffs = filter.firdes.low_pass ( 1, 19.2e6, 9e6, 1e6, filter.firdes.WIN_HAMMING )
duc = filter.freq_xlating_fir_filter_ccf ( 1, duc_coeffs, -5.75e6, 19.2e6 )
# fpll input is float
c2f = blocks.complex_to_float()
# Phase locked loop
fpll = atsc.fpll()
# Clean fpll output
lp_coeffs2 = filter.firdes.low_pass (1.0,
input_rate,
5.75e6,
120e3,
filter.firdes.WIN_HAMMING);
lp_filter = filter.fir_filter_fff (1, lp_coeffs2)
# Remove pilot ( at DC now )
iir = filter.single_pole_iir_filter_ff(1e-5)
remove_dc = blocks.sub_ff()
# Bit Timing Loop, Field Sync Checker and Equalizer
btl = atsc.bit_timing_loop()
fsc = atsc.fs_checker()
eq = atsc.equalizer()
fsd = atsc.field_sync_demux()
# Viterbi
viterbi = atsc.viterbi_decoder()
deinter = atsc.deinterleaver()
rs_dec = atsc.rs_decoder()
derand = atsc.derandomizer()
depad = atsc.depad()
# Write to output file
outf = blocks.file_sink(gr.sizeof_char,outfile)
# Connect it all together
tb.connect( srcf, is2c, rrc, ilp, duc, c2f, fpll, lp_filter)
tb.connect( lp_filter, iir )
tb.connect( lp_filter, (remove_dc, 0) )
tb.connect( iir, (remove_dc, 1) )
tb.connect( remove_dc, btl )
tb.connect( (btl, 0), (fsc, 0), (eq, 0), (fsd,0) )
tb.connect( (btl, 1), (fsc, 1), (eq, 1), (fsd,1) )
tb.connect( fsd, viterbi, deinter, rs_dec, derand, depad, outf )
tb.run()
def __init__(self,
baudrate=1200.0,
raw_file='',
udp_dest_audio='127.0.0.1',
udp_dest_iq='127.0.0.1',
udp_port_audio=7355,
udp_port_iq=7356):
gr.top_block.__init__(self, "satnogs raw to udp")
##################################################
# Parameters
##################################################
self.baudrate = baudrate
self.raw_file = raw_file
self.udp_dest_audio = udp_dest_audio
self.udp_dest_iq = udp_dest_iq
self.udp_port_audio = udp_port_audio
self.udp_port_iq = udp_port_iq
##################################################
# Variables
##################################################
self.sps = sps = 4
self.audio_samp_rate = audio_samp_rate = 48000
self.if_freq = if_freq = 12000
self.decimation = decimation = satnogs.find_decimation(
baudrate, 2, audio_samp_rate, sps)
##################################################
# Blocks
##################################################
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
audio_samp_rate / (baudrate * decimation), taps=None, flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, audio_samp_rate, 0.42 * audio_samp_rate / 2.0,
0.05 * audio_samp_rate, firdes.WIN_HAMMING, 6.76))
self.blocks_udp_sink_0_0 = blocks.udp_sink(gr.sizeof_short * 1,
udp_dest_iq, udp_port_iq,
1472, True)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short * 1,
udp_dest_audio,
udp_port_audio, 1472, True)
self.blocks_throttle_1 = blocks.throttle(gr.sizeof_gr_complex * 1,
baudrate * decimation, True)
self.blocks_rotator_cc_0_0 = blocks.rotator_cc(
2.0 * math.pi * (if_freq / audio_samp_rate))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_cc(16383)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(1 / 16768)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
False, False)
self.blocks_float_to_short_0 = blocks.float_to_short(1, 16383.0)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_short * 1,
raw_file, False, 0, 0)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_complex_to_interleaved_short_0 = blocks.complex_to_interleaved_short(
False)
self.analog_agc2_xx_0_1 = analog.agc2_cc(1e-3, 1e-3, 0.5, 1.0)
self.analog_agc2_xx_0_1.set_max_gain(65536)
self.analog_agc2_xx_0_0 = analog.agc2_cc(0.01, 0.001, 0.015, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-2, 1e-3, 1.5e-2, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_0, 0),
(self.blocks_multiply_const_vxx_1, 0))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.analog_agc2_xx_0_1, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.blocks_complex_to_interleaved_short_0, 0),
(self.blocks_udp_sink_0_0, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.blocks_float_to_short_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
self.connect((self.blocks_float_to_short_0, 0),
(self.blocks_udp_sink_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_throttle_1, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.blocks_complex_to_interleaved_short_0, 0))
self.connect((self.blocks_rotator_cc_0_0, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_throttle_1, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.blocks_throttle_1, 0), (self.analog_agc2_xx_0_1, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.blocks_rotator_cc_0_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.analog_agc2_xx_0_0, 0))
def graph(args):
print os.getpid()
nargs = len(args)
if nargs == 2:
infile = args[0]
outfile = args[1]
else:
raise ValueError('usage: interp.py input_file output_file.ts\n')
input_rate = 19.2e6
IF_freq = 5.75e6
tb = gr.top_block()
# Read from input file
srcf = blocks.file_source(gr.sizeof_short, infile)
# Convert interleaved shorts (I,Q,I,Q) to complex
is2c = blocks.interleaved_short_to_complex()
# 1/2 as wide because we're designing lp filter
symbol_rate = atsc.ATSC_SYMBOL_RATE / 2.
NTAPS = 279
tt = filter.firdes.root_raised_cosine(1.0, input_rate / 3, symbol_rate,
.1152, NTAPS)
rrc = filter.fir_filter_ccf(1, tt)
# Interpolate Filter our 6MHz wide signal centered at 0
ilp_coeffs = filter.firdes.low_pass(1, input_rate, 3.2e6, .5e6,
filter.firdes.WIN_HAMMING)
ilp = filter.interp_fir_filter_ccf(3, ilp_coeffs)
# Move the center frequency to 5.75MHz ( this won't be needed soon )
duc_coeffs = filter.firdes.low_pass(1, 19.2e6, 9e6, 1e6,
filter.firdes.WIN_HAMMING)
duc = filter.freq_xlating_fir_filter_ccf(1, duc_coeffs, -5.75e6, 19.2e6)
# fpll input is float
c2f = blocks.complex_to_float()
# Phase locked loop
fpll = atsc.fpll()
# Clean fpll output
lp_coeffs2 = filter.firdes.low_pass(1.0, input_rate, 5.75e6, 120e3,
filter.firdes.WIN_HAMMING)
lp_filter = filter.fir_filter_fff(1, lp_coeffs2)
# Remove pilot ( at DC now )
iir = filter.single_pole_iir_filter_ff(1e-5)
remove_dc = blocks.sub_ff()
# Bit Timing Loop, Field Sync Checker and Equalizer
btl = atsc.bit_timing_loop()
fsc = atsc.fs_checker()
eq = atsc.equalizer()
fsd = atsc.field_sync_demux()
# Viterbi
viterbi = atsc.viterbi_decoder()
deinter = atsc.deinterleaver()
rs_dec = atsc.rs_decoder()
derand = atsc.derandomizer()
depad = atsc.depad()
# Write to output file
outf = blocks.file_sink(gr.sizeof_char, outfile)
# Connect it all together
tb.connect(srcf, is2c, rrc, ilp, duc, c2f, fpll, lp_filter)
tb.connect(lp_filter, iir)
tb.connect(lp_filter, (remove_dc, 0))
tb.connect(iir, (remove_dc, 1))
tb.connect(remove_dc, btl)
tb.connect((btl, 0), (fsc, 0), (eq, 0), (fsd, 0))
tb.connect((btl, 1), (fsc, 1), (eq, 1), (fsd, 1))
tb.connect(fsd, viterbi, deinter, rs_dec, derand, depad, outf)
tb.run()
def __init__(self):
gr.top_block.__init__(self, "rothr_playback_sigmf")
Qt.QWidget.__init__(self)
self.setWindowTitle("rothr_playback_sigmf")
qtgui.util.check_set_qss()
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", "rothr_playback_sigmf")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.target_freq = target_freq = 4.575e6
self.rec_center = rec_center = 9.25e6
self.tune_offset = tune_offset = target_freq - rec_center
self.trig_lvl = trig_lvl = 0
self.throttle_rate = throttle_rate = 1.0
self.samp_rate = samp_rate = 12.5e6
self.decim = decim = 10
self.cutoff = cutoff = 25e3
##################################################
# Blocks
##################################################
self._trig_lvl_tool_bar = Qt.QToolBar(self)
self._trig_lvl_tool_bar.addWidget(Qt.QLabel("trig_lvl"+": "))
self._trig_lvl_line_edit = Qt.QLineEdit(str(self.trig_lvl))
self._trig_lvl_tool_bar.addWidget(self._trig_lvl_line_edit)
self._trig_lvl_line_edit.returnPressed.connect(
lambda: self.set_trig_lvl(eng_notation.str_to_num(str(self._trig_lvl_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._trig_lvl_tool_bar, 7, 6, 1, 2)
for r in range(7, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(6, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self._throttle_rate_tool_bar = Qt.QToolBar(self)
self._throttle_rate_tool_bar.addWidget(Qt.QLabel("throttle_rate"+": "))
self._throttle_rate_line_edit = Qt.QLineEdit(str(self.throttle_rate))
self._throttle_rate_tool_bar.addWidget(self._throttle_rate_line_edit)
self._throttle_rate_line_edit.returnPressed.connect(
lambda: self.set_throttle_rate(eng_notation.str_to_num(str(self._throttle_rate_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._throttle_rate_tool_bar, 4, 6, 1, 2)
for r in range(4, 5):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(6, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self._target_freq_tool_bar = Qt.QToolBar(self)
self._target_freq_tool_bar.addWidget(Qt.QLabel("target_freq"+": "))
self._target_freq_line_edit = Qt.QLineEdit(str(self.target_freq))
self._target_freq_tool_bar.addWidget(self._target_freq_line_edit)
self._target_freq_line_edit.returnPressed.connect(
lambda: self.set_target_freq(eng_notation.str_to_num(str(self._target_freq_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._target_freq_tool_bar, 5, 4, 1, 2)
for r in range(5, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self._samp_rate_tool_bar = Qt.QToolBar(self)
self._samp_rate_tool_bar.addWidget(Qt.QLabel("samp_rate"+": "))
self._samp_rate_line_edit = Qt.QLineEdit(str(self.samp_rate))
self._samp_rate_tool_bar.addWidget(self._samp_rate_line_edit)
self._samp_rate_line_edit.returnPressed.connect(
lambda: self.set_samp_rate(eng_notation.str_to_num(str(self._samp_rate_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._samp_rate_tool_bar, 4, 4, 1, 2)
for r in range(4, 5):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self._cutoff_tool_bar = Qt.QToolBar(self)
self._cutoff_tool_bar.addWidget(Qt.QLabel("cutoff"+": "))
self._cutoff_line_edit = Qt.QLineEdit(str(self.cutoff))
self._cutoff_tool_bar.addWidget(self._cutoff_line_edit)
self._cutoff_line_edit.returnPressed.connect(
lambda: self.set_cutoff(eng_notation.str_to_num(str(self._cutoff_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._cutoff_tool_bar, 6, 4, 1, 2)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self.sigmf_source_0 = gr_sigmf.source('/captures/20210516/HF-FULL_2021-05-17T00:43:31Z.sigmf-data', "ci16" + ("_le" if sys.byteorder == "little" else "_be"), True)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=decim,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=decim,
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '',
'', '', '', '', '']
colors = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
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_waterfall_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 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, 8, 0, 4, 4)
for r in range(8, 12):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate/decim/decim, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.010)
self.qtgui_time_sink_x_0.set_y_axis(-30, 20)
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_NORM, qtgui.TRIG_SLOPE_POS, trig_lvl, 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_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not False:
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(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 2, 4, 2, 4)
for r in range(2, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate/decim, #bw
"", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.010)
self.qtgui_freq_sink_x_0_0.set_y_axis(-80, 10)
self.qtgui_freq_sink_x_0_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0_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(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win, 4, 0, 4, 4)
for r in range(4, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, samp_rate/decim, cutoff, 1e3, firdes.WIN_HAMMING, 6.76))
self.fosphor_qt_sink_c_0 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_0.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_0.set_frequency_range(target_freq, samp_rate / decim)
self._fosphor_qt_sink_c_0_win = sip.wrapinstance(self.fosphor_qt_sink_c_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._fosphor_qt_sink_c_0_win, 0, 0, 4, 4)
for r in range(0, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate*throttle_rate,True)
self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, 1, 0)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(1.0 / 65536.0)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(True, False)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -1*tune_offset, 1, 0)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-1, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.qtgui_freq_sink_x_0_0, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_nlog10_ff_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.blocks_multiply_const_xx_0, 0))
self.connect((self.blocks_multiply_const_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_nlog10_ff_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.low_pass_filter_0, 0), (self.qtgui_freq_sink_x_0_0, 1))
self.connect((self.low_pass_filter_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.fosphor_qt_sink_c_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.sigmf_source_0, 0), (self.blocks_interleaved_short_to_complex_0, 0))
def __init__(self, filenames, dev_addrs,
onebit, iq, noise, mix, gain, fs, fc, unint, sync_pps):
gr.top_block.__init__(self)
if mix:
raise NotImplementedError("TODO: Hilbert remix mode not implemented.")
uhd_sinks = [
uhd.usrp_sink(",".join(
[addr, "send_frame_size=32768,num_send_frames=128"]),
uhd.stream_args(
cpu_format="fc32",
otwformat="sc8",
channels=[0]))
for addr in dev_addrs]
for sink in uhd_sinks:
sink.set_clock_rate(fs*2, uhd.ALL_MBOARDS)
sink.set_samp_rate(fs)
sink.set_center_freq(fc, 0)
sink.set_gain(gain, 0)
# TODO Use offset tuning?
if sync_pps:
sink.set_clock_source("external") # 10 MHz
sink.set_time_source("external") # PPS
if unint:
if noise or onebit or not iq:
raise NotImplementedError("TODO: RX channel-interleaved mode only "
"supported for noiseless 8-bit complex.")
BLOCK_N=16*1024*1024
demux = blocks.vector_to_streams(2, len(uhd_sinks))
self.connect(blocks.file_source(2*len(uhd_sinks)*BLOCK_N, filenames[0], False),
blocks.vector_to_stream(2*len(uhd_sinks), BLOCK_N),
demux)
for ix, sink in enumerate(uhd_sinks):
self.connect((demux, ix),
blocks.vector_to_stream(1, 2),
blocks.interleaved_char_to_complex(), # [-128.0, +127.0]
blocks.multiply_const_cc(1.0/1024), # [-0.125, 0.125)
# blocks.vector_to_stream(8, 16*1024),
sink)
else:
file_srcs = [blocks.file_source(gr.sizeof_char*1, f, False)
for f in filenames]
for src, sink in zip(file_srcs, uhd_sinks):
if iq:
node = blocks.multiply_const_cc(1.0/1024)
if onebit:
self.connect(src,
blocks.unpack_k_bits_bb(8),
blocks.char_to_short(), # [0, 1] -> [0, 256]
blocks.add_const_ss(-128), # [-128, +128],
blocks.interleaved_short_to_complex(), # [ -128.0, +128.0]
node) # [-0.125, +0.125]
else:
self.connect(src, # [-128..127]
blocks.interleaved_char_to_complex(), # [-128.0, +127.0]
node) # [-0.125, +0.125)
else:
node = blocks.float_to_complex(1)
if onebit:
self.connect(src,
blocks.unpack_k_bits_bb(8), # [0, 1] -> [-0.125, +0.125]
blocks.char_to_float(vlen=1, scale=4),
blocks.add_const_vff((-0.125, )),
node)
else:
self.connect(src, # [-128..127] -> [-0.125, +0.125)
blocks.char_to_float(vlen=1, scale=1024),
node)
if noise:
combiner = blocks.add_vcc(1)
self.connect(node,
combiner,
sink)
self.connect(analog.fastnoise_source_c(analog.GR_GAUSSIAN, noise, -222, 8192),
(combiner, 1))
else:
self.connect(node,
sink)
print "Setting clocks..."
if sync_pps:
time.sleep(1.1) # Ensure there's been an edge. TODO: necessary?
last_pps_time = uhd_sinks[0].get_time_last_pps()
while last_pps_time == uhd_sinks[0].get_time_last_pps():
time.sleep(0.1)
print "Got edge"
[sink.set_time_next_pps(uhd.time_spec(round(time.time())+1)) for sink in uhd_sinks]
time.sleep(1.0) # Wait for edge to set the clocks
else:
# No external PPS/10 MHz. Just set each clock and accept some skew.
t = time.time()
[sink.set_time_now(uhd.time_spec(time.time())) for sink in uhd_sinks]
if len(uhd_sinks) > 1:
print "Uncabled; loosely synced only. Initial skew ~ %.1f ms" % (
(time.time()-t) * 1000)
t_start = uhd.time_spec(time.time() + 1.5)
[sink.set_start_time(t_start) for sink in uhd_sinks]
print "ready"
def __init__(self):
gr.top_block.__init__(self, "Hf Spectrum Simple")
Qt.QWidget.__init__(self)
self.setWindowTitle("Hf Spectrum Simple")
qtgui.util.check_set_qss()
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", "hf_spectrum_simple")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 25e6
self.rx_freq = rx_freq = 12.5e6
self.offset = offset = 0
##################################################
# Blocks
##################################################
self._samp_rate_tool_bar = Qt.QToolBar(self)
self._samp_rate_tool_bar.addWidget(Qt.QLabel('SAMP_RATE' + ": "))
self._samp_rate_line_edit = Qt.QLineEdit(str(self.samp_rate))
self._samp_rate_tool_bar.addWidget(self._samp_rate_line_edit)
self._samp_rate_line_edit.returnPressed.connect(
lambda: self.set_samp_rate(
eng_notation.str_to_num(
str(self._samp_rate_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._samp_rate_tool_bar, 8, 0, 1, 1)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_freq_tool_bar = Qt.QToolBar(self)
self._rx_freq_tool_bar.addWidget(Qt.QLabel('FREQ' + ": "))
self._rx_freq_line_edit = Qt.QLineEdit(str(self.rx_freq))
self._rx_freq_tool_bar.addWidget(self._rx_freq_line_edit)
self._rx_freq_line_edit.returnPressed.connect(lambda: self.set_rx_freq(
eng_notation.str_to_num(
str(self._rx_freq_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._rx_freq_tool_bar, 8, 1, 1, 1)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._offset_tool_bar = Qt.QToolBar(self)
self._offset_tool_bar.addWidget(Qt.QLabel('offset' + ": "))
self._offset_line_edit = Qt.QLineEdit(str(self.offset))
self._offset_tool_bar.addWidget(self._offset_line_edit)
self._offset_line_edit.returnPressed.connect(lambda: self.set_offset(
eng_notation.str_to_num(
str(self._offset_line_edit.text().toAscii()))))
self.top_grid_layout.addWidget(self._offset_tool_bar, 8, 2, 1, 1)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self.uhd_usrp_source_1 = uhd.usrp_source(
",".join(("addr=192.168.10.2", "")),
uhd.stream_args(
cpu_format="sc16",
otw_format='sc16',
channels=range(1),
),
)
self.uhd_usrp_source_1.set_samp_rate(samp_rate)
self.uhd_usrp_source_1.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_source_1.set_center_freq(
uhd.tune_request(rx_freq, samp_rate / 2), 0)
self.uhd_usrp_source_1.set_gain(0, 0)
self.uhd_usrp_source_1.set_antenna('RX2', 0)
self.uhd_usrp_source_1.set_auto_dc_offset(True, 0)
self.uhd_usrp_source_1.set_auto_iq_balance(True, 0)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rx_freq, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
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_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 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, 4,
0, 4, 4)
for r in range(4, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
rx_freq, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.010)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 0)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
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(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 4,
4)
for r in range(0, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.fosphor_qt_sink_c_1 = fosphor.qt_sink_c()
self.fosphor_qt_sink_c_1.set_fft_window(window.WIN_BLACKMAN_hARRIS)
self.fosphor_qt_sink_c_1.set_frequency_range(0, samp_rate)
self._fosphor_qt_sink_c_1_win = sip.wrapinstance(
self.fosphor_qt_sink_c_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._fosphor_qt_sink_c_1_win, 0, 4, 9,
4)
for r in range(0, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 8):
self.top_grid_layout.setColumnStretch(c, 1)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(1 / 65536.0, ))
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(
True, False)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -1 * offset, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_interleaved_short_to_complex_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.fosphor_qt_sink_c_1, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.uhd_usrp_source_1, 0),
(self.blocks_interleaved_short_to_complex_0, 0))
