def __init__( self, samp_per_sym=4, sync_bandwidth=.6, costas_bandwidth=0.15, agc_time_const=8, sync_phases=32, ): gr.hier_block2.__init__( self, "PSK31 Coherent Demodulator", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(1, 1, gr.sizeof_gr_complex), ) _psk31_sync_base.__init__( self, samp_per_sym, sync_bandwidth, agc_time_const, sync_phases, ) self.costas_bandwidth = costas_bandwidth self._costas_loop = digital.costas_loop_cc(costas_bandwidth, 2, True) self._reset() self.connect( self._post_sync_agc, self._costas_loop, self, )
def test04(self): # QPSK Convergence test with static rotation natfreq = 0.25 order = 4 self.test = digital.costas_loop_cc(natfreq, order) rot = cmath.exp(0.2j) # some small rotation data = [complex(2*random.randint(0,1)-1, 2*random.randint(0,1)-1) for i in xrange(100)] N = 40 # settling time expected_result = data[N:] data = [rot*d for d in data] self.src = blocks.vector_source_c(data, False) self.snk = blocks.vector_sink_c() self.tb.connect(self.src, self.test, self.snk) self.tb.run() dst_data = self.snk.data()[N:] # generously compare results; the loop will converge near to, but # not exactly on, the target data self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 2)
def test05(self): # 8PSK Convergence test with static rotation natfreq = 0.25 order = 8 self.test = digital.costas_loop_cc(natfreq, order) rot = cmath.exp(-cmath.pi/8.0j) # rotate to match Costas rotation const = psk.psk_constellation(order) data = [random.randint(0,7) for i in xrange(100)] data = [2*rot*const.points()[d] for d in data] N = 40 # settling time expected_result = data[N:] rot = cmath.exp(0.1j) # some small rotation data = [rot*d for d in data] self.src = blocks.vector_source_c(data, False) self.snk = blocks.vector_sink_c() self.tb.connect(self.src, self.test, self.snk) self.tb.run() dst_data = self.snk.data()[N:] # generously compare results; the loop will converge near to, but # not exactly on, the target data self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 2)
def test04(self): # QPSK Convergence test with static rotation natfreq = 0.25 order = 4 self.test = digital.costas_loop_cc(natfreq, order) rot = cmath.exp(0.2j) # some small rotation data = [ complex(2 * random.randint(0, 1) - 1, 2 * random.randint(0, 1) - 1) for i in range(100) ] N = 40 # settling time expected_result = data[N:] data = [rot * d for d in data] self.src = blocks.vector_source_c(data, False) self.snk = blocks.vector_sink_c() self.tb.connect(self.src, self.test, self.snk) self.tb.run() dst_data = self.snk.data()[N:] # generously compare results; the loop will converge near to, but # not exactly on, the target data self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 2)
def __init__(self): gr.top_block.__init__(self, "METEOR-M2 receiver") ################################################## # Variables ################################################## self.symb_rate = symb_rate = 72e3 self.samp_rate = samp_rate = 960e3 self.decimation = decimation = 4 self.samp_per_sym = samp_per_sym = samp_rate/decimation/symb_rate self.clock_alpha = clock_alpha = 30e-3 self.bitstream_name = bitstream_name = os.getcwd() + "/Data/meteor_LRPT_" + datetime.now().strftime("%d%m%Y_%H%M") + ".s" self.Tuning_offset = Tuning_offset = 300e3 self.LO_freq = LO_freq = 137.903e6 self.BPF_width = BPF_width = 140e3 ################################################## # Blocks ################################################## self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + '' ) self.rtlsdr_source_0.set_sample_rate(samp_rate) self.rtlsdr_source_0.set_center_freq(LO_freq-Tuning_offset, 0) self.rtlsdr_source_0.set_freq_corr(0, 0) self.rtlsdr_source_0.set_dc_offset_mode(2, 0) self.rtlsdr_source_0.set_iq_balance_mode(2, 0) self.rtlsdr_source_0.set_gain_mode(False, 0) self.rtlsdr_source_0.set_gain(42, 0) self.rtlsdr_source_0.set_if_gain(20, 0) self.rtlsdr_source_0.set_bb_gain(10, 0) self.rtlsdr_source_0.set_antenna('', 0) self.rtlsdr_source_0.set_bandwidth(0, 0) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine( 1, samp_rate/decimation, symb_rate, 0.3, 361)) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decimation, (firdes.low_pass(1,samp_rate,BPF_width/2,20e3)), Tuning_offset, samp_rate) (self.freq_xlating_fir_filter_xxx_0).set_processor_affinity([0]) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1e-3, 4) (self.digital_costas_loop_cc_0).set_processor_affinity([1]) self.digital_constellation_soft_decoder_cf_1 = digital.constellation_soft_decoder_cf(digital.constellation_calcdist(([-1-1j, -1+1j, 1+1j, 1-1j]), ([0, 1, 3, 2]), 4, 1).base()) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc(samp_per_sym*(1+0.0), clock_alpha**2/4.0, 0.5, clock_alpha, 0.005) (self.digital_clock_recovery_mm_xx_0).set_processor_affinity([2]) self.blocks_float_to_char_0 = blocks.float_to_char(1, 127) self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, bitstream_name, False) self.blocks_file_sink_0_0.set_unbuffered(False) self.analog_rail_ff_0 = analog.rail_ff(-1, 1) self.analog_agc_xx_0 = analog.agc_cc(1000e-4, 0.5, 1.0) self.analog_agc_xx_0.set_max_gain(4000) ################################################## # Connections ################################################## self.connect((self.analog_agc_xx_0, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.analog_rail_ff_0, 0), (self.blocks_float_to_char_0, 0)) self.connect((self.blocks_float_to_char_0, 0), (self.blocks_file_sink_0_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_constellation_soft_decoder_cf_1, 0)) self.connect((self.digital_constellation_soft_decoder_cf_1, 0), (self.analog_rail_ff_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_agc_xx_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.rtlsdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def test05(self): # 8PSK Convergence test with static rotation natfreq = 0.25 order = 8 self.test = digital.costas_loop_cc(natfreq, order) rot = cmath.exp(-cmath.pi / 8.0j) # rotate to match Costas rotation const = psk.psk_constellation(order) data = [random.randint(0, 7) for i in range(100)] data = [2 * rot * const.points()[d] for d in data] N = 40 # settling time expected_result = data[N:] rot = cmath.exp(0.1j) # some small rotation data = [rot * d for d in data] self.src = blocks.vector_source_c(data, False) self.snk = blocks.vector_sink_c() self.tb.connect(self.src, self.test, self.snk) self.tb.run() dst_data = self.snk.data()[N:] # generously compare results; the loop will converge near to, but # not exactly on, the target data self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 2)
def __init__(self, principal_gui, options): gr.hier_block2.__init__(self, "bpsk_demod", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature #Enter the parameters of modulation self._samples_per_symbol = options.samples_per_symbol self.verbose = options.verbose self._gray_code =_def_gray_code if self._samples_per_symbol < 2: raise TypeError, "samples_per_symbol must be >= 2, is %r" % (self._samples_per_symbol,) arity = pow(2,self.bits_per_symbol()) # Automatic gain control #self.agc = gr.agc2_cc(0.6e-1, 1e-3, 1, 1, 100) self.agc = gr.agc_cc(1e-5, 1.0,1.0,1.0) #self.agc = gr.feedforward_agc_cc(16, 2.0) # RRC data filter ntaps = 11 * self._samples_per_symbol self.rrc_taps = gr.firdes.root_raised_cosine( 1.0, # gain self._samples_per_symbol, # sampling rate 1.0, # symbol rate 0.35, # excess bandwidth (roll-off factor) ntaps) self.rrc_filter=gr.interp_fir_filter_ccf(1, self.rrc_taps) self._costas = digital.costas_loop_cc(6.28/100.0, 2) self.gr_null_sink = gr.null_sink(gr.sizeof_float*1) self.connect((self._costas, 1), (self.gr_null_sink, 0)) self._mm = digital.clock_recovery_mm_cc(self._samples_per_symbol, # Initial samples/symbol 1e-06, # Second order gain 0.5, # Initial symbol phase 0.001, # First order gain 0.0001) # Maximum timing offset if self.verbose: self._print_verbage() # Do differential decoding based on phase change of symbols #self.diffdec = gr.diff_phasor_cc() # Connect and Initialize base class self.connect(self, self.agc, self.rrc_filter, (self._costas,0), self._mm, self)
def __init__(self, bw_clock_sync=2*math.pi/100, bw_fll=math.pi/1600, bw_costas=2*math.pi/100, n_filts=32, len_sym_srrc=7, constellation=digital.constellation_calcdist([-1-1j, 1-1j, 1+1j, -1+1j], [], 4, 1).base(), samp_per_sym=3, alfa=0.35, bits_per_sym=2, alpha_probe=0.1, th_probe=0): gr.hier_block2.__init__( self, "Hier Rx", gr.io_signature(1, 1, gr.sizeof_gr_complex*1), gr.io_signature(1, 1, gr.sizeof_char*1), ) ################################################## # Parameters ################################################## self.bw_clock_sync = bw_clock_sync self.bw_fll = bw_fll self.bw_costas = bw_costas self.n_filts = n_filts self.len_sym_srrc = len_sym_srrc self.constellation = constellation self.samp_per_sym = samp_per_sym self.alfa = alfa self.bits_per_sym = bits_per_sym self.alpha_probe = alpha_probe self.th_probe = th_probe ################################################## # Variables ################################################## self.filtro_srrc = filtro_srrc = firdes.root_raised_cosine(n_filts,samp_per_sym*n_filts,1.0,alfa,samp_per_sym*len_sym_srrc*n_filts) ################################################## # Blocks ################################################## self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(samp_per_sym, bw_clock_sync, (filtro_srrc), n_filts, 16, 5, 1) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(samp_per_sym, alfa, len_sym_srrc*samp_per_sym, bw_fll) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2**bits_per_sym) self.digital_costas_loop_cc_0_0_0 = digital.costas_loop_cc(bw_costas, 2**bits_per_sym) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(constellation) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_sym) self.analog_probe_avg_mag_sqrd_x_0 = analog.probe_avg_mag_sqrd_c(th_probe, alpha_probe) self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0_0, 0)) self.connect((self, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self, 0)) self.connect((self, 0), (self.analog_probe_avg_mag_sqrd_x_0, 0))
def __init__(self, costas_loop_bw = 10E-3, costas_order = 2, mm_omega = 2, mm_gain_omega = 0.00765625, mm_mu = .5, mm_gain_mu = .175, mm_omega_relative_limit = .005): gr.hier_block2.__init__(self, "generic_synch", gr.io_signature(1, 1, gr.sizeof_gr_complex*1), gr.io_signature(1, 1, gr.sizeof_gr_complex*1), ) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(costas_loop_bw, costas_order) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc(mm_omega, mm_gain_omega, mm_mu, mm_gain_mu, mm_omega_relative_limit) self.connect((self, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self, 0))
def __init__(self): gr.top_block.__init__(self, "CC1101 Burst Detector") def rx_callback(): print "Callback Fired" # Variables self.samp_rate = samp_rate = 250e3 self.f_center = f_center = 510e6 self.bandwidth = bandwidth = 125e3 self.gain = gain = 15 self.sps = sps = 2 # Blocks self.uhd_src = uhd.usrp_source( device_addr="serial=E8R10Z2B1", #cheetara stream_args=uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_src.set_samp_rate(samp_rate) self.uhd_src.set_center_freq(f_center, 0) self.uhd_src.set_gain(gain, 0) self.uhd_src.set_antenna("TX/RX", 0) self.uhd_src.set_bandwidth(bandwidth, 0) self.uhd_src.set_samp_rate(self.samp_rate) self.uhd_src.set_center_freq(self.f_center, 0) self.uhd_src.set_gain(self.gain, 0) # change magic_num until abs(ratio) as close to 0 (when sending all A's) # as possible (.000X or closer) # need to solve clock synchronization self.msk_demod = level.msk_demod_cf(ti_adj=False, magic_num=.022) self.agc = gr.agc2_cc() #self.clock_sync = digital.pfb_clock_sync_ccf(sps=2,) self.costas_loop = digital.costas_loop_cc(2*3.14/100.0, 4) self.packet_receiver = level.cc1k_demod_pkts(callback=rx_callback()) self.vec_sink = gr.vector_sink_f(1) self.slicer = digital.binary_slicer_fb() self.bin_sink = gr.vector_sink_b(1) # Connections self.connect(self.uhd_src, self.agc, self.msk_demod, self.slicer, self.bin_sink) self.connect(self.msk_demod, self.vec_sink) self.connect(self.uhd_src, self.packet_receiver)
def __init__(self, sample_rate, symbol_rate): gr.hier_block2.__init__( self, "dvb_s_demodulator2_cc", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature samples_per_symbol = sample_rate / symbol_rate # Automatic gain control self.agc = gr.agc2_cc( 0.06, # Attack rate 0.001, # Decay rate 1, # Reference 1, # Initial gain 100) # Max gain # Frequency correction with band-edge filters FLL freq_beta = freq_alpha * freq_alpha / 4 self.freq_recov = digital.fll_band_edge_cc( samples_per_symbol, dvb_swig.RRC_ROLLOFF_FACTOR, 11 * int(samples_per_symbol), # Size of the filter in taps freq_bw) self.freq_recov.set_alpha(freq_alpha) self.freq_recov.set_beta(freq_beta) # Symbol timing recovery with RRC data filter ntaps = 11 * int(samples_per_symbol * nfilts) rrc_taps = gr.firdes.root_raised_cosine(nfilts, nfilts, 1.0 / samples_per_symbol, dvb_swig.RRC_ROLLOFF_FACTOR, ntaps) self.time_recov = gr.pfb_clock_sync_ccf( samples_per_symbol, # Samples per second in the incoming signal timing_alpha, # Alpha gain of control loop rrc_taps, # The filter taps nfilts, # Number of filters in the filter bank nfilts / 2) # Initial phase to look at (or which filter to start with) self.time_recov.set_beta(timing_beta) # Perform phase / fine frequency correction using Costas PLL phase_beta = phase_alpha * phase_alpha / 4 self.phase_recov = digital.costas_loop_cc(phase_bw, M) self.phase_recov.set_alpha(phase_alpha) self.phase_recov.set_beta(phase_beta) self.connect(self, self.agc, self.freq_recov, self.time_recov, self.phase_recov, self)
def test01(self): # test basic functionality by setting all gains to 0 natfreq = 0.0 order = 2 self.test = digital.costas_loop_cc(natfreq, order) data = 100*[complex(1,0),] self.src = blocks.vector_source_c(data, False) self.snk = blocks.vector_sink_c() self.tb.connect(self.src, self.test, self.snk) self.tb.run() expected_result = data dst_data = self.snk.data() self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 5)
def __init__(self, excessBW=0.35, sps=4, arity=2): gr.hier_block2.__init__( self, "DPSKReceiver", gr.io_signature(1, 1, gr.sizeof_gr_complex * 1), gr.io_signature(1, 1, gr.sizeof_float * 1), ) ################################################## # Parameters ################################################## self.arity = arity self.excessBW = excessBW self.sps = sps if (arity != 2 and arity != 4): raise ValueError, "Unsupported modulation order '%d'" % (arity, ) ################################################## # Variables ################################################## self.nfilts = nfilts = 32 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), excessBW, 45 * nfilts) ################################################## # Blocks ################################################## self.digital_pfb_clock_sync_xxx = digital.pfb_clock_sync_ccf( sps, 0.1, (rrc_taps), nfilts, nfilts / 2, 1.5, 1) self.digital_costas_loop_cc = digital.costas_loop_cc(0.1, arity, False) self.digital_cma_equalizer_cc = digital.cma_equalizer_cc(6, 1, 0.1, 1) self.SatelliteModem_DPSKDemodulator = SatelliteModem.DPSKDemodulator( arity) ################################################## # Connections ################################################## self.connect((self.SatelliteModem_DPSKDemodulator, 0), (self, 0)) self.connect((self.digital_cma_equalizer_cc, 0), (self.digital_costas_loop_cc, 0)) self.connect((self.digital_costas_loop_cc, 0), (self.SatelliteModem_DPSKDemodulator, 0)) self.connect((self.digital_pfb_clock_sync_xxx, 0), (self.digital_cma_equalizer_cc, 0)) self.connect((self, 0), (self.digital_pfb_clock_sync_xxx, 0))
def test02(self): # Make sure it doesn't diverge given perfect data natfreq = 0.25 order = 2 self.test = digital.costas_loop_cc(natfreq, order) data = [complex(2*random.randint(0,1)-1, 0) for i in xrange(100)] self.src = blocks.vector_source_c(data, False) self.snk = blocks.vector_sink_c() self.tb.connect(self.src, self.test, self.snk) self.tb.run() expected_result = data dst_data = self.snk.data() self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 5)
def __init__(self): gr.top_block.__init__(self, "Top Block") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 2.5e+06 self.decim = decim = 3 self.baud = baud = 40000 self.samp_per_sym = samp_per_sym = float(samp_rate/decim)/baud self.clock_alpha = clock_alpha = 0.0037 ################################################## # Blocks ################################################## self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decim, (firdes.complex_band_pass(1, samp_rate, -samp_rate/(2*decim), samp_rate/(2*decim), 10000)), 1.4e6, samp_rate) self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(samp_per_sym, 0.1, (firdes.root_raised_cosine(32, 32, 1.0/float(samp_per_sym), 0.35, 11*int(samp_per_sym)*32)), 32, 16, 0.1, 1) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(50e-3, 4, False) self.blocks_wavfile_source_0 = blocks.wavfile_source('/Volumes/My Passport/Basebands/Satellites/GOES-16/gqrx_20170124_060211_1694100000_2500000_fc.wav', False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_stream_to_vector_0 = blocks.stream_to_vector(gr.sizeof_char*1, 16) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_float_to_char_0 = blocks.float_to_char(1, 127) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blks2_tcp_sink_0 = grc_blks2.tcp_sink( itemsize=gr.sizeof_char*16, addr='127.0.0.1', port=5000, server=False, ) self.analog_feedforward_agc_cc_0_0 = analog.feedforward_agc_cc(1024, 2.0) ################################################## # Connections ################################################## self.connect((self.analog_feedforward_agc_cc_0_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_float_to_char_0, 0)) self.connect((self.blocks_float_to_char_0, 0), (self.blocks_stream_to_vector_0, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_stream_to_vector_0, 0), (self.blks2_tcp_sink_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blocks_wavfile_source_0, 1), (self.blocks_float_to_complex_0, 1)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_feedforward_agc_cc_0_0, 0))
def test02(self): # Make sure it doesn't diverge given perfect data natfreq = 0.25 order = 2 self.test = digital.costas_loop_cc(natfreq, order) data = [complex(2 * random.randint(0, 1) - 1, 0) for i in range(100)] self.src = blocks.vector_source_c(data, False) self.snk = blocks.vector_sink_c() self.tb.connect(self.src, self.test, self.snk) self.tb.run() expected_result = data dst_data = self.snk.data() self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 5)
def __init__(self, sample_rate, symbol_rate): gr.hier_block2.__init__(self, "dvb_s_demodulator2_cc", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature samples_per_symbol = sample_rate / symbol_rate # Automatic gain control self.agc = gr.agc2_cc( 0.06, # Attack rate 0.001, # Decay rate 1, # Reference 1, # Initial gain 100) # Max gain # Frequency correction with band-edge filters FLL freq_beta = freq_alpha * freq_alpha / 4 self.freq_recov = digital.fll_band_edge_cc( samples_per_symbol, dvb_swig.RRC_ROLLOFF_FACTOR, 11 * int(samples_per_symbol), # Size of the filter in taps freq_bw) self.freq_recov.set_alpha(freq_alpha) self.freq_recov.set_beta(freq_beta) # Symbol timing recovery with RRC data filter ntaps = 11 * int(samples_per_symbol * nfilts) rrc_taps = gr.firdes.root_raised_cosine(nfilts, nfilts, 1.0 / samples_per_symbol, dvb_swig.RRC_ROLLOFF_FACTOR, ntaps) self.time_recov = gr.pfb_clock_sync_ccf( samples_per_symbol, # Samples per second in the incoming signal timing_alpha, # Alpha gain of control loop rrc_taps, # The filter taps nfilts, # Number of filters in the filter bank nfilts / 2) # Initial phase to look at (or which filter to start with) self.time_recov.set_beta(timing_beta) # Perform phase / fine frequency correction using Costas PLL phase_beta = phase_alpha * phase_alpha / 4 self.phase_recov = digital.costas_loop_cc(phase_bw, M) self.phase_recov.set_alpha(phase_alpha) self.phase_recov.set_beta(phase_beta) self.connect(self, self.agc, self.freq_recov, self.time_recov, self.phase_recov, self)
def __init__(self, samp_rate, symbol_rate=31.25): super(psk31_receiver, self).__init__( "psk31_receiver", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(0, 0, 1)) self.symbol_rate = symbol_rate self.costas = digital.costas_loop_cc(2*3.14/100, 4) self.clock_recovery = digital.clock_recovery_mm_cc( 1.0*samp_rate/symbol_rate, 0.25 * 0.1*0.1, 0.05, 0.1, 0.001) self.receiver = digital.constellation_receiver_cb( digital.constellation_bpsk().base(), 2*3.14/100, -0.25, 0.25) self.diff = gr.diff_decoder_bb(2) self.decoder = ham.psk31_decode_bb(True) self.msgq_out = gr.msg_queue() self.snk = gr.message_sink(gr.sizeof_char, self.msgq_out, True) self.connect(self, self.costas, self.clock_recovery, self.receiver, self.diff, self.decoder, self.snk)
def __init__(self, N, sps, rolloff, ntaps, bw, noise, foffset, toffset, poffset): gr.top_block.__init__(self) rrc_taps = gr.firdes.root_raised_cosine(sps, sps, 1.0, rolloff, ntaps) data = 2.0 * scipy.random.randint(0, 2, N) - 1.0 data = scipy.exp(1j * poffset) * data self.src = gr.vector_source_c(data.tolist(), False) self.rrc = gr.interp_fir_filter_ccf(sps, rrc_taps) self.chn = gr.channel_model(noise, foffset, toffset) self.cst = digital.costas_loop_cc(bw, 2) self.vsnk_src = gr.vector_sink_c() self.vsnk_cst = gr.vector_sink_c() self.vsnk_frq = gr.vector_sink_f() self.connect(self.src, self.rrc, self.chn, self.cst, self.vsnk_cst) self.connect(self.rrc, self.vsnk_src) self.connect((self.cst, 1), self.vsnk_frq)
def __init__(self, N, sps, rolloff, ntaps, bw, noise, foffset, toffset, poffset): gr.top_block.__init__(self) rrc_taps = gr.firdes.root_raised_cosine(sps, sps, 1.0, rolloff, ntaps) data = 2.0 * scipy.random.randint(0, 2, N) - 1.0 data = scipy.exp(1j * poffset) * data self.src = gr.vector_source_c(data.tolist(), False) self.rrc = gr.interp_fir_filter_ccf(sps, rrc_taps) self.chn = gr.channel_model(noise, foffset, toffset) self.cst = digital.costas_loop_cc(bw, 2) self.vsnk_src = gr.vector_sink_c() self.vsnk_cst = gr.vector_sink_c() self.vsnk_frq = gr.vector_sink_f() self.connect(self.src, self.rrc, self.chn, self.cst, self.vsnk_cst) self.connect(self.rrc, self.vsnk_src) self.connect((self.cst, 1), self.vsnk_frq)
def __init__(self): gr.top_block.__init__(self, "Meteor QPSK LRPT") ################################################## # Variables ################################################## self.freq = freq = 137900000 self.symb_rate = symb_rate = 72000 self.samp_rate = samp_rate = 128000 self.doppler_freq = doppler_freq = freq self.sps = sps = (samp_rate * 1.0) / (symb_rate * 1.0) self.samp_rate_rtlsdr = samp_rate_rtlsdr = 1536000 self.pll_alpha = pll_alpha = float(sys.argv[2]) self.doppler_shift = doppler_shift = doppler_freq - freq self.decim = decim = 8 self.clock_alpha = clock_alpha = .001 self.bitstream_name = bitstream_name = sys.argv[1] + '.s' ################################################## # Blocks ################################################## self.root_raised_cosine_filter_0 = filter.fir_filter_ccf( 1, firdes.root_raised_cosine(1, samp_rate, symb_rate, 0.6, 361)) self.rational_resampler_xxx_0 = filter.rational_resampler_ccc( interpolation=1, decimation=int(samp_rate_rtlsdr / samp_rate), taps=None, fractional_bw=None, ) self.osmosdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " + '') self.osmosdr_source_0.set_sample_rate(samp_rate_rtlsdr) self.osmosdr_source_0.set_center_freq(freq, 0) self.osmosdr_source_0.set_freq_corr(0, 0) self.osmosdr_source_0.set_dc_offset_mode(2, 0) self.osmosdr_source_0.set_iq_balance_mode(0, 0) self.osmosdr_source_0.set_gain_mode(True, 0) self.osmosdr_source_0.set_gain(44, 0) self.osmosdr_source_0.set_if_gain(20, 0) self.osmosdr_source_0.set_bb_gain(20, 0) self.osmosdr_source_0.set_antenna('', 0) self.osmosdr_source_0.set_bandwidth(0, 0) self.gpredict_doppler_0 = gpredict.doppler(self.set_doppler_freq, "localhost", 4532, True) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( pll_alpha, 4, False) self.digital_constellation_soft_decoder_cf_1 = digital.constellation_soft_decoder_cf( digital.constellation_calcdist( ([-1 - 1j, -1 + 1j, 1 + 1j, 1 - 1j]), ([0, 1, 3, 2]), 4, 1).base()) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc( sps, clock_alpha**2 / 4.0, 0.5, clock_alpha, 0.005) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_float_to_char_0 = blocks.float_to_char(1, 127) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1, bitstream_name, False) self.blocks_file_sink_0.set_unbuffered(False) self.analog_sig_source_x_1 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, doppler_shift, 1, 0) self.analog_rail_ff_0 = analog.rail_ff(-1, 1) self.analog_agc_xx_0 = analog.agc_cc(1000e-4, 0.5, 1.0) self.analog_agc_xx_0.set_max_gain(4000) ################################################## # Connections ################################################## self.connect((self.analog_agc_xx_0, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.analog_rail_ff_0, 0), (self.blocks_float_to_char_0, 0)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_float_to_char_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.analog_agc_xx_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_constellation_soft_decoder_cf_1, 0)) self.connect((self.digital_constellation_soft_decoder_cf_1, 0), (self.analog_rail_ff_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.rational_resampler_xxx_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_costas_loop_cc_0, 0))
def __init__(self): gr.top_block.__init__(self, "Mpsk Stage6") Qt.QWidget.__init__(self) self.setWindowTitle("Mpsk Stage6") 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", "mpsk_stage6") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.samp_rate = samp_rate = 2e6 self.bps = bps = 500e3 self.decimation = decimation = int(samp_rate / (bps * sps)) self.transition_bw = transition_bw = samp_rate / (2 * decimation * 5) self.nfilts = nfilts = 32 self.timing_loop_bw = timing_loop_bw = 6.28 / 100.0 self.time_offset = time_offset = 1.00 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts) self.qpsk = qpsk = digital.constellation_rect( ([-1, 0 + 1j, 0 - 1j, 1 + 0.0j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.phase_bw = phase_bw = 6.28 / 100.0 self.noise_volt = noise_volt = 0.0001 self.freq_offset = freq_offset = 0 self.fir_taps = fir_taps = firdes.low_pass( 1, samp_rate, samp_rate / (2 * decimation), transition_bw) self.excess_bw = excess_bw = 0.35 self.eq_gain = eq_gain = 0.01 self.delay = delay = 0 self.channel_freq = channel_freq = 2.4e9 self.center_freq = center_freq = 2.3995e9 self.arity = arity = 4 ################################################## # Blocks ################################################## self.controls = Qt.QTabWidget() self.controls_widget_0 = Qt.QWidget() self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0) self.controls_grid_layout_0 = Qt.QGridLayout() self.controls_layout_0.addLayout(self.controls_grid_layout_0) self.controls.addTab(self.controls_widget_0, "Channel") self.controls_widget_1 = Qt.QWidget() self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1) self.controls_grid_layout_1 = Qt.QGridLayout() self.controls_layout_1.addLayout(self.controls_grid_layout_1) self.controls.addTab(self.controls_widget_1, "Receiver") self.top_grid_layout.addWidget(self.controls, 0, 0, 1, 2) self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28 / 100.0, 200) self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, "Time: BW", "slider", float) self.controls_grid_layout_1.addWidget(self._timing_loop_bw_win, 0, 0, 1, 1) self.received = Qt.QTabWidget() self.received_widget_0 = Qt.QWidget() self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_0) self.received_grid_layout_0 = Qt.QGridLayout() self.received_layout_0.addLayout(self.received_grid_layout_0) self.received.addTab(self.received_widget_0, "Constellation") self.received_widget_1 = Qt.QWidget() self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_1) self.received_grid_layout_1 = Qt.QGridLayout() self.received_layout_1.addLayout(self.received_grid_layout_1) self.received.addTab(self.received_widget_1, "Symbols") self.top_grid_layout.addWidget(self.received, 2, 0, 1, 1) self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.28 / 100.0, 200) self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, "Phase: Bandwidth", "slider", float) self.controls_grid_layout_1.addWidget(self._phase_bw_win, 0, 2, 1, 1) self._eq_gain_range = Range(0.0, 0.1, 0.001, 0.01, 200) self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, "Equalizer: rate", "slider", float) self.controls_grid_layout_1.addWidget(self._eq_gain_win, 0, 1, 1, 1) self._channel_freq_range = Range(2.4e9 - samp_rate / 2, 2.4e9 + samp_rate / 2, 100, 2.4e9, 200) self._channel_freq_win = RangeWidget(self._channel_freq_range, self.set_channel_freq, "channel_freq", "counter_slider", float) self.top_grid_layout.addWidget(self._channel_freq_win, 2, 2, 1, 1) self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.00, 200) self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, "Timing Offset", "counter_slider", float) self.controls_grid_layout_0.addWidget(self._time_offset_win, 0, 2, 1, 1) self.rms_agc_0 = rms_agc( alpha=1e-2, reference=0.5, ) self.qtgui_time_sink_x_1 = qtgui.time_sink_c( 1024, #size samp_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(-1, 1) 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(False) self.qtgui_time_sink_x_1.enable_grid(False) 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 * 1): 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.qtgui_const_sink_x_1_1 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_1_1.set_update_time(0.10) self.qtgui_const_sink_x_1_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_1_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_1_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_1_1.enable_autoscale(False) self.qtgui_const_sink_x_1_1.enable_grid(False) if not True: self.qtgui_const_sink_x_1_1.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_1_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_1_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_1_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_1_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_1_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_1_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_1_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_1_1_win = sip.wrapinstance( self.qtgui_const_sink_x_1_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_1_1_win) self.qtgui_const_sink_x_1_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_1_0.set_update_time(0.10) self.qtgui_const_sink_x_1_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_1_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_1_0.enable_autoscale(False) self.qtgui_const_sink_x_1_0.enable_grid(False) if not True: self.qtgui_const_sink_x_1_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_1_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_1_0_win = sip.wrapinstance( self.qtgui_const_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_1_0_win) self.qtgui_const_sink_x_1 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_1.set_update_time(0.10) self.qtgui_const_sink_x_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_1.enable_autoscale(False) self.qtgui_const_sink_x_1.enable_grid(False) if not True: self.qtgui_const_sink_x_1.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_1_win = sip.wrapinstance( self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_1_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0, 0, 1, 1) self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200) self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, "Noise Voltage", "counter_slider", float) self.controls_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( decimation, (fir_taps), channel_freq - center_freq, samp_rate) self._freq_offset_range = Range(-0.1, 0.1, 0.001, 0, 200) self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, "Frequency Offset", "counter_slider", float) self.controls_grid_layout_0.addWidget(self._freq_offset_win, 0, 1, 1, 1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, timing_loop_bw, (rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( phase_bw, arity, False) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 15, 1, eq_gain, 2) self._delay_range = Range(0, 200, 1, 0, 200) self._delay_win = RangeWidget(self._delay_range, self.set_delay, "Delay", "counter_slider", float) self.top_grid_layout.addWidget(self._delay_win, 1, 0, 1, 1) self.channels_channel_model_0_0 = channels.channel_model( noise_voltage=0.0, frequency_offset=0.0, epsilon=1.0, taps=(1.0 + 1.0j, ), noise_seed=0, block_tags=False) self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_file_source_0_0 = blocks.file_source( gr.sizeof_gr_complex * 1, "/home/ascl/sbandtest/text/fc_2_3995/500kbps/sps2M", True) self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex * 1, "output", False) self.blocks_file_sink_1.set_unbuffered(False) ################################################## # Connections ################################################## self.connect((self.blocks_file_source_0_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.channels_channel_model_0_0, 0)) self.connect((self.channels_channel_model_0_0, 0), (self.rms_agc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1_1, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_1_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_file_sink_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_const_sink_x_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.rms_agc_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self): gr.top_block.__init__(self, "Sync Test") Qt.QWidget.__init__(self) self.setWindowTitle("Sync Test") 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", "sync_test") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.pream_len = pream_len = 84 self.samp_rate = samp_rate = 32000 self.pream = pream = (mapper.preamble_generator(pream_len,511,1033)).get_preamble() self.SNR = SNR = 40 self.Rotation = Rotation = 0 self.Offset = Offset = 0 ################################################## # Blocks ################################################## self._SNR_tool_bar = Qt.QToolBar(self) self._SNR_tool_bar.addWidget(Qt.QLabel("SNR"+": ")) self._SNR_line_edit = Qt.QLineEdit(str(self.SNR)) self._SNR_tool_bar.addWidget(self._SNR_line_edit) self._SNR_line_edit.returnPressed.connect( lambda: self.set_SNR(eng_notation.str_to_num(self._SNR_line_edit.text().toAscii()))) self.top_layout.addWidget(self._SNR_tool_bar) self._Rotation_layout = Qt.QVBoxLayout() self._Rotation_label = Qt.QLabel("Rotation") self._Rotation_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._Rotation_slider.setRange(0, 2*pi, pi/100) self._Rotation_slider.setValue(self.Rotation) self._Rotation_slider.setMinimumWidth(200) self._Rotation_slider.valueChanged.connect(self.set_Rotation) self._Rotation_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._Rotation_layout.addWidget(self._Rotation_label) self._Rotation_layout.addWidget(self._Rotation_slider) self.top_layout.addLayout(self._Rotation_layout) self._Offset_layout = Qt.QVBoxLayout() self._Offset_tool_bar = Qt.QToolBar(self) self._Offset_layout.addWidget(self._Offset_tool_bar) self._Offset_tool_bar.addWidget(Qt.QLabel("Offset"+": ")) self._Offset_counter = Qwt.QwtCounter() self._Offset_counter.setRange(-100, 100, 1) self._Offset_counter.setNumButtons(2) self._Offset_counter.setValue(self.Offset) self._Offset_tool_bar.addWidget(self._Offset_counter) self._Offset_counter.valueChanged.connect(self.set_Offset) self._Offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._Offset_slider.setRange(-100, 100, 1) self._Offset_slider.setValue(self.Offset) self._Offset_slider.setMinimumWidth(200) self._Offset_slider.valueChanged.connect(self.set_Offset) self._Offset_layout.addWidget(self._Offset_slider) self.top_layout.addLayout(self._Offset_layout) self.qtgui_const_sink_x_0_1 = qtgui.const_sink_c( 840-84, #size "QT GUI Plot", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_1.set_update_time(0.10) self.qtgui_const_sink_x_0_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_1.set_x_axis(-2, 2) self._qtgui_const_sink_x_0_1_win = sip.wrapinstance(self.qtgui_const_sink_x_0_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_0_1_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 840-84, #size "QT GUI Plot", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_0_win) self.mapper_preamble_sync_cc_0 = mapper.preamble_sync_cc(pream_len*10, (pream), mapper.PSK8, ([0,1,2,3,4,5,6,7]), .97, .90) self.mapper_preamble_insert_bb_0 = mapper.preamble_insert_bb(pream_len*10, (pream)) self.mapper_mapper_0 = mapper.mapper(mapper.PSK8, ([0,1,2,3,4,5,6,7])) self.mapper_demapper_0 = mapper.demapper(mapper.PSK8, ([0,1,2,3,4,5,6,7])) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1.5*pi/100, 8) self.channels_channel_model_0 = channels.channel_model( noise_voltage=10**(-SNR/20.0), frequency_offset=Offset, epsilon=1.0, taps=(exp( (0 + 1j*Rotation) ), ), noise_seed=0, block_tags=False ) self.blocks_vector_sink_x_0_0 = blocks.vector_sink_b(1) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(3) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 7, 10000)), True) ################################################## # Connections ################################################## self.connect((self.mapper_preamble_insert_bb_0, 0), (self.mapper_mapper_0, 0)) self.connect((self.mapper_preamble_sync_cc_0, 0), (self.mapper_demapper_0, 0)) self.connect((self.mapper_mapper_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.mapper_preamble_sync_cc_0, 0)) self.connect((self.mapper_preamble_sync_cc_0, 0), (self.qtgui_const_sink_x_0_1, 0)) self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.mapper_preamble_insert_bb_0, 0)) self.connect((self.mapper_demapper_0, 0), (self.blocks_vector_sink_x_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 0))
def __init__(self): gr.top_block.__init__(self, "Cr Application") Qt.QWidget.__init__(self) self.setWindowTitle("Cr Application") 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", "cr_application") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.usrp_rf_freq = usrp_rf_freq = 2405000000 self.usrp_int_freq = usrp_int_freq = 2400000000 self.timing_loop_bw = timing_loop_bw = 6.28/100 self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j] self.samp_rate = samp_rate = 390625 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.phase_bw = phase_bw = 6.28/100 self.excess_bw = excess_bw = 0.35 self.eq_gain = eq_gain = 0.01 self.arity = arity = 4 ################################################## # Blocks ################################################## self.crew_db_channel_selector_0 = crew.db_channel_selector('test_may14_r1', 'zigbee', 'max', 0.05) def _usrp_rf_freq_probe(): while True: val = self.crew_db_channel_selector_0.get_freq() try: self.set_usrp_rf_freq(val) except AttributeError, e: pass time.sleep(1.0/(0.2)) _usrp_rf_freq_thread = threading.Thread(target=_usrp_rf_freq_probe) _usrp_rf_freq_thread.daemon = True _usrp_rf_freq_thread.start() self._usrp_int_freq_layout = Qt.QVBoxLayout() self._usrp_int_freq_tool_bar = Qt.QToolBar(self) self._usrp_int_freq_layout.addWidget(self._usrp_int_freq_tool_bar) self._usrp_int_freq_tool_bar.addWidget(Qt.QLabel("usrp_int_freq"+": ")) self._usrp_int_freq_counter = Qwt.QwtCounter() self._usrp_int_freq_counter.setRange(2400000000, 2480000000, 5000000) self._usrp_int_freq_counter.setNumButtons(2) self._usrp_int_freq_counter.setValue(self.usrp_int_freq) self._usrp_int_freq_tool_bar.addWidget(self._usrp_int_freq_counter) self._usrp_int_freq_counter.valueChanged.connect(self.set_usrp_int_freq) self._usrp_int_freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._usrp_int_freq_slider.setRange(2400000000, 2480000000, 5000000) self._usrp_int_freq_slider.setValue(self.usrp_int_freq) self._usrp_int_freq_slider.setMinimumWidth(100) self._usrp_int_freq_slider.valueChanged.connect(self.set_usrp_int_freq) self._usrp_int_freq_layout.addWidget(self._usrp_int_freq_slider) self.top_layout.addLayout(self._usrp_int_freq_layout) self.uhd_usrp_source_0_0 = uhd.usrp_source( device_addr="addr=192.168.30.2", stream_args=uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0_0.set_center_freq(usrp_rf_freq, 0) self.uhd_usrp_source_0_0.set_gain(10, 0) self.uhd_usrp_sink_1 = uhd.usrp_sink( device_addr="", stream_args=uhd.stream_args( cpu_format="fc32", args="addr=192.168.40.2", channels=range(1), ), ) self.uhd_usrp_sink_1.set_samp_rate(samp_rate) self.uhd_usrp_sink_1.set_center_freq(usrp_int_freq, 0) self.uhd_usrp_sink_1.set_gain(40, 0) self.uhd_usrp_sink_0 = uhd.usrp_sink( device_addr="addr=192.168.20.2", stream_args=uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_center_freq(usrp_rf_freq, 0) self.uhd_usrp_sink_0.set_gain(10, 0) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate/2, #samp_rate "BER", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "BER") self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2) self.digital_map_bb_0 = digital.map_bb(([0,1,2,3])) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(20, 0.02, 2, qpsk) self.digital_gfsk_mod_0 = digital.gfsk_mod( samples_per_symbol=2, sensitivity=1.0, bt=0.35, verbose=False, log=False, ) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity) self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(qpsk, timing_loop_bw, 0.0001, 0.0002) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk, differential=True, samples_per_symbol=4, pre_diff_code=True, excess_bw=0.35, verbose=False, log=False, ) self.blocks_vector_source_x_0_0 = blocks.vector_source_b((170,170), True, 1, []) self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2) self.blks2_error_rate_0 = grc_blks2.error_rate( type='BER', win_size=1000, bits_per_symbol=1, ) self.analog_random_source_x_1 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True) ################################################## # Connections ################################################## self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_receiver_cb_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.blks2_error_rate_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_error_rate_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blks2_error_rate_0, 1)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0)) self.connect((self.analog_random_source_x_1, 0), (self.digital_gfsk_mod_0, 0)) self.connect((self.digital_gfsk_mod_0, 0), (self.uhd_usrp_sink_1, 0)) self.connect((self.digital_constellation_receiver_cb_0, 0), (self.digital_map_bb_0, 0)) self.connect((self.blks2_error_rate_0, 0), (self.crew_db_channel_selector_0, 0))
def __init__(self): gr.top_block.__init__(self, "Mpsk Stage3") Qt.QWidget.__init__(self) self.setWindowTitle("Mpsk Stage3") 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", "mpsk_stage3") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 8 self.payload = payload = range(256) self.nfilts = nfilts = 32 self.timing_loop_bw = timing_loop_bw = 6.28/100.0 self.taps = taps = [1.0 + 0.0j, ] self.samp_rate = samp_rate = 250e3 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts) self.qpsk_const = qpsk_const = digital.constellation_rect(([-1, +1]), ([0, 1]), 1, 2, 1, 1, 1).base() self.payload_str = payload_str = ''.join(map(lambda x: "{0:08b}".format(x), payload)) self.gain = gain = 50 self.freq = freq = 2.3e9 self.excess_bw = excess_bw = 0.35 self.delay = delay = 32 self.decim = decim = 1 self.arity = arity = 2 self.access_code_str = access_code_str = "1111100110101" self.access_code = access_code = [31, 53] ################################################## # Blocks ################################################## self._delay_layout = Qt.QVBoxLayout() self._delay_tool_bar = Qt.QToolBar(self) self._delay_layout.addWidget(self._delay_tool_bar) self._delay_tool_bar.addWidget(Qt.QLabel("delay"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._delay_counter = qwt_counter_pyslot() self._delay_counter.setRange(0, 100, 1) self._delay_counter.setNumButtons(2) self._delay_counter.setValue(self.delay) self._delay_tool_bar.addWidget(self._delay_counter) self._delay_counter.valueChanged.connect(self.set_delay) self._delay_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._delay_slider.setRange(0, 100, 1) self._delay_slider.setValue(self.delay) self._delay_slider.setMinimumWidth(200) self._delay_slider.valueChanged.connect(self.set_delay) self._delay_layout.addWidget(self._delay_slider) self.top_layout.addLayout(self._delay_layout) self.west_stream_trigged_pdu_0 = west.stream_trigged_pdu("start_payload", 2048) self.west_ber_pdu_0 = west.ber_pdu(payload_str) self._timing_loop_bw_layout = Qt.QVBoxLayout() self._timing_loop_bw_label = Qt.QLabel("Time: BW") self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005) self._timing_loop_bw_slider.setValue(self.timing_loop_bw) self._timing_loop_bw_slider.setMinimumWidth(200) self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw) self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label) self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider) self.top_grid_layout.addLayout(self._timing_loop_bw_layout, 3,1,1,1) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) 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(-1, 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(False) self.qtgui_time_sink_x_0.enable_grid(False) 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_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_const_sink_x_1_0 = qtgui.const_sink_c( 1024, #size "Equalizer", #name 1 #number of inputs ) self.qtgui_const_sink_x_1_0.set_update_time(0.10) self.qtgui_const_sink_x_1_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_1_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_1_0.enable_autoscale(False) self.qtgui_const_sink_x_1_0.enable_grid(False) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_1_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_1_0_win = sip.wrapinstance(self.qtgui_const_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_1_0_win) self.qtgui_const_sink_x_1 = qtgui.const_sink_c( 1024, #size "Clock Sync Output", #name 1 #number of inputs ) self.qtgui_const_sink_x_1.set_update_time(0.10) self.qtgui_const_sink_x_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_1.enable_autoscale(False) self.qtgui_const_sink_x_1.enable_grid(False) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_1_win) self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c( 2048, #size "Costas Loop Output", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0.enable_grid(False) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 0,1,1,1) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf( 1, taps=(rrc_taps[:-1]), flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self._gain_layout = Qt.QVBoxLayout() self._gain_tool_bar = Qt.QToolBar(self) self._gain_layout.addWidget(self._gain_tool_bar) self._gain_tool_bar.addWidget(Qt.QLabel("RF gain"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._gain_counter = qwt_counter_pyslot() self._gain_counter.setRange(0, 90, 1) self._gain_counter.setNumButtons(2) self._gain_counter.setValue(self.gain) self._gain_tool_bar.addWidget(self._gain_counter) self._gain_counter.valueChanged.connect(self.set_gain) self._gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._gain_slider.setRange(0, 90, 1) self._gain_slider.setValue(self.gain) self._gain_slider.setMinimumWidth(200) self._gain_slider.valueChanged.connect(self.set_gain) self._gain_layout.addWidget(self._gain_slider) self.top_layout.addLayout(self._gain_layout) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(.015, 2) self.digital_correlate_access_code_bb_0 = digital.correlate_access_code_bb(access_code_str, 1) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk_const, differential=True, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=False, log=False, ) (self.digital_constellation_modulator_0).set_processor_affinity([2]) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(16, 1, 0.15/100., 1) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc(sps*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005) self.blocks_vector_source_x_0_0 = blocks.vector_source_b([135, 201]*5000 + access_code + payload*100000, False, 1, []) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.0001, )) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 1) self.blocks_delay_0 = blocks.delay(gr.sizeof_char*1, int(delay)) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0 = blocks.char_to_float(1, 1) self.blocks_add_xx_0 = blocks.add_vcc(1) self.analog_fastnoise_source_x_0 = analog.fastnoise_source_c(analog.GR_GAUSSIAN, 0.3, 0, 8192) self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-1, 1.0, 1) self.analog_agc2_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.analog_fastnoise_source_x_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.qtgui_const_sink_x_1, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.digital_correlate_access_code_bb_0, 0), (self.blocks_char_to_float_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_char_to_float_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_keep_one_in_n_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_correlate_access_code_bb_0, 0), (self.west_stream_trigged_pdu_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_correlate_access_code_bb_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0)) ################################################## # Asynch Message Connections ################################################## self.msg_connect(self.west_stream_trigged_pdu_0, "pdus", self.west_ber_pdu_0, "pdus")
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Top Block") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.sps = sps = 4 self.ntaps = ntaps = 1408 self.nfilts = nfilts = 32 self.excess_bw = excess_bw = 0.45 self.timing_bw = timing_bw = 2*pi/100 self.sr2 = sr2 = 1600e3 self.samp_rate = samp_rate = 32000 self.rx_taps = rx_taps = filter.firdes.root_raised_cosine(nfilts, nfilts*sps, 1.0,excess_bw, ntaps) self.freq_bw = freq_bw = 2*pi/100 self.fll_ntaps = fll_ntaps = 55 ################################################## # Blocks ################################################## self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.GetWin(), title="Scope Plot", sample_rate=400e3, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=400e3, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="FFT Plot", peak_hold=False, ) self.Add(self.wxgui_fftsink2_0.win) self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" ) self.rtlsdr_source_0.set_sample_rate(sr2) self.rtlsdr_source_0.set_center_freq(850e6, 0) self.rtlsdr_source_0.set_freq_corr(0, 0) self.rtlsdr_source_0.set_dc_offset_mode(0, 0) self.rtlsdr_source_0.set_iq_balance_mode(0, 0) self.rtlsdr_source_0.set_gain_mode(False, 0) self.rtlsdr_source_0.set_gain(30, 0) self.rtlsdr_source_0.set_if_gain(20, 0) self.rtlsdr_source_0.set_bb_gain(20, 0) self.rtlsdr_source_0.set_antenna("", 0) self.rtlsdr_source_0.set_bandwidth(0, 0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_bw, (rx_taps), nfilts, 16, 1.5, 1) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(sps, excess_bw, 55, freq_bw) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(freq_bw, 4, False) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(10, 1, 0.0001, 1) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, 400e3,True) ################################################## # Connections ################################################## self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.rtlsdr_source_0, 0), (self.digital_fll_band_edge_cc_0, 0))
def __init__(self): gr.top_block.__init__(self, "Bob") Qt.QWidget.__init__(self) self.setWindowTitle("Bob") 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", "bob") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.samp_rate_array_MCR = samp_rate_array_MCR = [ 7500000, 5000000, 3750000, 3000000, 2500000, 2000000, 1500000, 1000000, 937500, 882352, 833333, 714285, 533333, 500000, 421052, 400000, 380952, 200000 ] self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = rpower self.variable_qtgui_range_0_0 = variable_qtgui_range_0_0 = jpower self.samp_rate = samp_rate = samp_rate_array_MCR[15] self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts) self.pld_const = pld_const = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.frequencia_usrp = frequencia_usrp = 24e8 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self._variable_qtgui_range_0_1_range = Range(0, 73, 1, rpower, 200) self._variable_qtgui_range_0_1_win = RangeWidget( self._variable_qtgui_range_0_1_range, self.set_variable_qtgui_range_0_1, 'Gain_RX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_1_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._variable_qtgui_range_0_0_range = Range(0, 90, 1, jpower, 200) self._variable_qtgui_range_0_0_win = RangeWidget( self._variable_qtgui_range_0_0_range, self.set_variable_qtgui_range_0_0, 'Gain_Jamming', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_0_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_source_0_0 = uhd.usrp_source( ",".join(("serial=F5EAC0", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_source_0_0.set_gain(variable_qtgui_range_0_1, 0) self.uhd_usrp_source_0_0.set_antenna('TX/RX', 0) self.uhd_usrp_source_0_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0_0.set_auto_iq_balance(True, 0) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("serial=F5EAC0", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0.set_subdev_spec('A:B', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_sink_0.set_gain(variable_qtgui_range_0_0, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.qtgui_time_sink_x_1_0_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "TX JAMMING USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0_0.enable_grid(False) self.qtgui_time_sink_x_1_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_0_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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_0_win, 1, 1, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "RX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win, 1, 3, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_1_0 = qtgui.time_sink_f( 100 * 2, #size samp_rate, #samp_rate 'Rx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_1_0.set_update_time(0.10) self.qtgui_time_sink_x_0_1_0.set_y_axis(-1, 256) self.qtgui_time_sink_x_0_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, 'packet_length_tag_key') self.qtgui_time_sink_x_0_1_0.enable_autoscale(True) self.qtgui_time_sink_x_0_1_0.enable_grid(True) self.qtgui_time_sink_x_0_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_1_0.enable_control_panel(False) self.qtgui_time_sink_x_0_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0_1_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_1_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_1_0_win, 2, 3, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_1.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_1.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_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance( self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win, 1, 2, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_1 = qtgui.const_sink_c( 1024, #size "RX Const", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_1.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_trigger_mode( qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_1.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_1.enable_grid(False) self.qtgui_const_sink_x_0_0_0_1.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_1_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_1_win, 2, 1, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c( 1024, #size "RX Treated", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_win, 2, 2, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.interp_fir_filter_xxx_1 = filter.interp_fir_filter_ccc( 4, ([1, 0, 0, 0])) self.interp_fir_filter_xxx_1.declare_sample_delay(0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 6.28 / 100.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb( pld_const.arity()) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( 6.28 / 100.0, pld_const.arity(), False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( pld_const) self.digital_cma_equalizer_cc_0_0 = digital.cma_equalizer_cc( 15, 1, 0.01, 2) self.custom_corr = correlate_and_delay.corr_and_delay( 200 * sps, 0, 0.9995, sps) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( pld_const.bits_per_symbol(), 8, '', False, gr.GR_MSB_FIRST) self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_gr_complex * 1) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1) self.blocks_multiply_const_vxx_1_0 = blocks.multiply_const_vcc((0.5, )) self.blocks_file_sink_0_0_0_0_2 = blocks.file_sink( gr.sizeof_char * 1, '/home/it/ELI/' + num + '/BOB_55_8000_BRUTO.txt', False) self.blocks_file_sink_0_0_0_0_2.set_unbuffered(True) self.blocks_file_sink_0 = blocks.file_sink( gr.sizeof_gr_complex * 1, '/home/it/ELI/' + num + '/BOB_EVM.txt', False) self.blocks_file_sink_0.set_unbuffered(True) self.blocks_char_to_float_1_0_1_0 = blocks.char_to_float(1, 1) self.analog_noise_source_x_0_0 = analog.noise_source_c( analog.GR_GAUSSIAN, 1, -5) self.adapt_lms_filter_xx_0 = adapt.lms_filter_cc( True, 64, 0.0001, 0, 1, True, False, False) ################################################## # Connections ################################################## self.connect((self.adapt_lms_filter_xx_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.adapt_lms_filter_xx_0, 1), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.analog_noise_source_x_0_0, 0), (self.interp_fir_filter_xxx_1, 0)) self.connect((self.blocks_char_to_float_1_0_1_0, 0), (self.qtgui_time_sink_x_0_1_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.custom_corr, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.qtgui_time_sink_x_1_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_char_to_float_1_0_1_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_file_sink_0_0_0_0_2, 0)) self.connect((self.custom_corr, 0), (self.adapt_lms_filter_xx_0, 1)) self.connect((self.custom_corr, 1), (self.adapt_lms_filter_xx_0, 0)) self.connect((self.custom_corr, 2), (self.blocks_null_sink_1, 0)) self.connect((self.digital_cma_equalizer_cc_0_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_0_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0_0, 0)) self.connect((self.interp_fir_filter_xxx_1, 0), (self.blocks_multiply_const_vxx_1_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.custom_corr, 1)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_const_sink_x_0_0_0_1, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_time_sink_x_1_0, 0))
def __init__(self, antenna=satnogs.not_set_antenna, bb_gain=satnogs.not_set_rx_bb_gain, decoded_data_file_path='/tmp/.satnogs/data/data', dev_args=satnogs.not_set_dev_args, doppler_correction_per_sec=1000, enable_iq_dump=0, file_path='test.wav', if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=100e6, rx_sdr_device='usrpb200', udp_IP='127.0.0.1', udp_port=16887, waterfall_file_path='/tmp/waterfall.dat'): gr.top_block.__init__(self, "FSK9600 AX.25 decoder ") ################################################## # Parameters ################################################## self.antenna = antenna self.bb_gain = bb_gain self.decoded_data_file_path = decoded_data_file_path self.dev_args = dev_args self.doppler_correction_per_sec = doppler_correction_per_sec self.enable_iq_dump = enable_iq_dump self.file_path = file_path self.if_gain = if_gain self.iq_file_path = iq_file_path self.lo_offset = lo_offset self.ppm = ppm self.rf_gain = rf_gain self.rigctl_port = rigctl_port self.rx_freq = rx_freq self.rx_sdr_device = rx_sdr_device self.udp_IP = udp_IP self.udp_port = udp_port self.waterfall_file_path = waterfall_file_path ################################################## # Variables ################################################## self.samp_rate_rx = samp_rate_rx = satnogs.hw_rx_settings[rx_sdr_device]['samp_rate'] self.deviation = deviation = 5000 self.baud_rate = baud_rate = 9600 self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate_rx, 125000, 25000, firdes.WIN_HAMMING, 6.76) self.taps = taps = firdes.low_pass(12.0, samp_rate_rx, 100e3, 60000, firdes.WIN_HAMMING, 6.76) self.modulation_index = modulation_index = deviation / (baud_rate / 2.0) self.filter_rate = filter_rate = 250000 self.audio_samp_rate = audio_samp_rate = 48000 self.audio_gain = audio_gain = satnogs.fm_demod_settings[rx_sdr_device]['audio_gain'] ################################################## # Blocks ################################################## self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1) self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(udp_IP, udp_port, 1500) self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source("127.0.0.1", rigctl_port, False, 1000, 1500) self.satnogs_quad_demod_filter_ff_0 = satnogs.quad_demod_filter_ff(((audio_samp_rate) / baud_rate)/(math.pi*modulation_index)) self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(file_path, audio_samp_rate, 1.0) self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, '/tmp/iq.bin', False, enable_iq_dump) self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(decoded_data_file_path, 0) self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(rx_freq, samp_rate_rx) self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm('GND', 0, True, False, 1024) self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.handle_rx_dev_args(rx_sdr_device, dev_args) ) self.osmosdr_source_0.set_sample_rate(samp_rate_rx) self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0) self.osmosdr_source_0.set_freq_corr(ppm, 0) self.osmosdr_source_0.set_dc_offset_mode(2, 0) self.osmosdr_source_0.set_iq_balance_mode(0, 0) self.osmosdr_source_0.set_gain_mode(False, 0) self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0) self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0) self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0) self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0) self.osmosdr_source_0.set_bandwidth(samp_rate_rx, 0) self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass( 1, audio_samp_rate, 7850, audio_samp_rate * 0.15, firdes.WIN_HAMMING, 6.76)) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(int(samp_rate_rx/filter_rate), (xlate_filter_taps), lo_offset, samp_rate_rx) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(2.0 * math.pi / 100.0, 2, False) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(48e3/9600, 0.25*0.175*0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True) self.blks2_rational_resampler_xxx_1 = filter.rational_resampler_ccc( interpolation=48000, decimation=int(samp_rate_rx / (int(samp_rate_rx/filter_rate))), taps=None, fractional_bw=None, ) self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(((audio_samp_rate) / baud_rate)/(math.pi*modulation_index)) ################################################## # Connections ################################################## self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_frame_file_sink_0_1_0, 'frame')) self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_udp_msg_sink_0_0, 'in')) self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_coarse_doppler_correction_cc_0, 'freq')) self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.dc_blocker_xx_0, 0)) self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.analog_quadrature_demod_cf_0_0, 0)) self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_iq_sink_0, 0)) self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.satnogs_waterfall_sink_0, 0)) self.connect((self.dc_blocker_xx_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.satnogs_ax25_decoder_bm_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.satnogs_quad_demod_filter_ff_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.blks2_rational_resampler_xxx_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.satnogs_ogg_encoder_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0)) self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.satnogs_quad_demod_filter_ff_0, 0), (self.digital_binary_slicer_fb_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Psk31 Rx") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.center_freq = center_freq = 441000000 self.samp_rate = samp_rate = 960000 self.psk_offset = psk_offset = 1000 self.psk_center = psk_center = center_freq + 141000 self.int_rate = int_rate = 48000 self.gain = gain = 30 self.corr = corr = 0 self.audio_rate = audio_rate = 8000 ################################################## # Message Queues ################################################## blocks_message_sink_0_msgq_out = wxgui_termsink_0_msgq_in = gr.msg_queue(2) ################################################## # Blocks ################################################## _psk_offset_sizer = wx.BoxSizer(wx.VERTICAL) self._psk_offset_text_box = forms.text_box( parent=self.GetWin(), sizer=_psk_offset_sizer, value=self.psk_offset, callback=self.set_psk_offset, label="PSK offset", converter=forms.float_converter(), proportion=0, ) self._psk_offset_slider = forms.slider( parent=self.GetWin(), sizer=_psk_offset_sizer, value=self.psk_offset, callback=self.set_psk_offset, minimum=0, maximum=3000, num_steps=300, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_psk_offset_sizer, 1, 0, 1, 2) _psk_center_sizer = wx.BoxSizer(wx.VERTICAL) self._psk_center_text_box = forms.text_box( parent=self.GetWin(), sizer=_psk_center_sizer, value=self.psk_center, callback=self.set_psk_center, label="Tuning", converter=forms.float_converter(), proportion=0, ) self._psk_center_slider = forms.slider( parent=self.GetWin(), sizer=_psk_center_sizer, value=self.psk_center, callback=self.set_psk_center, minimum=center_freq + 110000, maximum=center_freq + 150000, num_steps=40, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_psk_center_sizer, 0, 0, 1, 2) self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nb.AddPage(grc_wxgui.Panel(self.nb), "960 kHz") self.nb.AddPage(grc_wxgui.Panel(self.nb), "48 kHz") self.nb.AddPage(grc_wxgui.Panel(self.nb), "4 kHz") self.nb.AddPage(grc_wxgui.Panel(self.nb), "I/Q scope") self.nb.AddPage(grc_wxgui.Panel(self.nb), "Constellation") self.GridAdd(self.nb, 3, 0, 1, 2) _gain_sizer = wx.BoxSizer(wx.VERTICAL) self._gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, label='gain', converter=forms.float_converter(), proportion=0, ) self._gain_slider = forms.slider( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, minimum=0, maximum=49.6, num_steps=124, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_gain_sizer, 2, 0, 1, 1) _corr_sizer = wx.BoxSizer(wx.VERTICAL) self._corr_text_box = forms.text_box( parent=self.GetWin(), sizer=_corr_sizer, value=self.corr, callback=self.set_corr, label='corr', converter=forms.float_converter(), proportion=0, ) self._corr_slider = forms.slider( parent=self.GetWin(), sizer=_corr_sizer, value=self.corr, callback=self.set_corr, minimum=-150, maximum=150, num_steps=300, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_corr_sizer, 2, 1, 1, 1) self.wxgui_waterfallsink2_2 = waterfallsink2.waterfall_sink_f( self.nb.GetPage(2).GetWin(), baseband_freq=0, dynamic_range=30, ref_level=-40, ref_scale=2.0, sample_rate=audio_rate, fft_size=512, fft_rate=15, average=False, avg_alpha=None, title="Waterfall Plot", win=window.blackmanharris, size=((800,400)), ) self.nb.GetPage(2).Add(self.wxgui_waterfallsink2_2.win) def wxgui_waterfallsink2_2_callback(x, y): self.set_psk_offset(x) self.wxgui_waterfallsink2_2.set_callback(wxgui_waterfallsink2_2_callback) self.wxgui_waterfallsink2_1 = waterfallsink2.waterfall_sink_c( self.nb.GetPage(1).GetWin(), baseband_freq=psk_center, dynamic_range=30, ref_level=-30, ref_scale=2.0, sample_rate=int_rate, fft_size=2048, fft_rate=15, average=False, avg_alpha=None, title="Waterfall Plot", size=((800,400)), ) self.nb.GetPage(1).Add(self.wxgui_waterfallsink2_1.win) self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c( self.nb.GetPage(0).GetWin(), baseband_freq=center_freq, dynamic_range=30, ref_level=-20, ref_scale=2.0, sample_rate=samp_rate, fft_size=2048, fft_rate=15, average=False, avg_alpha=None, title="Waterfall Plot", size=((800,400)), ) self.nb.GetPage(0).Add(self.wxgui_waterfallsink2_0.win) def wxgui_waterfallsink2_0_callback(x, y): self.set_psk_center(x) self.wxgui_waterfallsink2_0.set_callback(wxgui_waterfallsink2_0_callback) self.wxgui_termsink_0 = termsink.termsink( parent=self.GetWin(), size=(500,100), msgq=wxgui_termsink_0_msgq_in, ) self.Add(self.wxgui_termsink_0) self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( self.nb.GetPage(4).GetWin(), title="Scope Plot", sample_rate=31.25, v_scale=0.4, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.nb.GetPage(4).Add(self.wxgui_scopesink2_1.win) self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.nb.GetPage(3).GetWin(), title="Scope Plot", sample_rate=500, v_scale=0.4, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.nb.GetPage(3).Add(self.wxgui_scopesink2_0.win) self.wxgui_numbersink2_0 = numbersink2.number_sink_f( self.GetWin(), unit="Hz", minval=-500 / math.pi, maxval=500 / math.pi, factor=500 / math.pi, decimal_places=1, ref_level=0, sample_rate=500, number_rate=15, average=False, avg_alpha=None, label="Carrier tracking offset", peak_hold=False, show_gauge=True, ) self.Add(self.wxgui_numbersink2_0.win) self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" ) self.osmosdr_source_0.set_sample_rate(samp_rate) self.osmosdr_source_0.set_center_freq(center_freq, 0) self.osmosdr_source_0.set_freq_corr(corr, 0) self.osmosdr_source_0.set_dc_offset_mode(0, 0) self.osmosdr_source_0.set_iq_balance_mode(0, 0) self.osmosdr_source_0.set_gain_mode(0, 0) self.osmosdr_source_0.set_gain(gain, 0) self.osmosdr_source_0.set_if_gain(20, 0) self.osmosdr_source_0.set_bb_gain(20, 0) self.osmosdr_source_0.set_antenna("", 0) self.osmosdr_source_0.set_bandwidth(0, 0) self.ham_varicode_rx_0 = ham.varicode_rx() self.freq_xlating_fir_filter_xxx_1 = filter.freq_xlating_fir_filter_ccc(16, (firdes.low_pass(10, audio_rate, 120, 40, firdes.WIN_HAMMING, 6.76)), psk_offset, audio_rate) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(samp_rate / int_rate, (firdes.low_pass(1, samp_rate, 12000, 12000, firdes.WIN_HAMMING, 6.76)), round(psk_center - center_freq,-3), samp_rate) self.digital_diff_phasor_cc_0 = digital.diff_phasor_cc() self.digital_costas_loop_cc_0 = digital.costas_loop_cc(5 * math.pi /100.0, 2) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc(16, 0.25*0.175*0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_message_sink_0 = blocks.message_sink(gr.sizeof_char*1, blocks_message_sink_0_msgq_out, True) self.blocks_complex_to_real_1 = blocks.complex_to_real(1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.band_pass_filter_0 = filter.fir_filter_ccc(int_rate / audio_rate, firdes.complex_band_pass( 1, int_rate, 200, 2800, 200, firdes.WIN_HAMMING, 6.76)) self.audio_sink_0 = audio.sink(audio_rate, "plughw:0,0", True) self.analog_agc_xx_0 = analog.agc_cc(1e-3, 0.1, 1.0) self.analog_agc_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_waterfallsink2_1, 0)) self.connect((self.osmosdr_source_0, 0), (self.wxgui_waterfallsink2_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.wxgui_waterfallsink2_2, 0)) self.connect((self.digital_costas_loop_cc_0, 1), (self.wxgui_numbersink2_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_1, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_diff_phasor_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.ham_varicode_rx_0, 0), (self.blocks_message_sink_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.ham_varicode_rx_0, 0)) self.connect((self.blocks_complex_to_real_1, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.digital_diff_phasor_cc_0, 0), (self.blocks_complex_to_real_1, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.audio_sink_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.analog_agc_xx_0, 0)) self.connect((self.analog_agc_xx_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.analog_agc_xx_0, 0), (self.freq_xlating_fir_filter_xxx_1, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_1, 0))
def __init__(self): gr.top_block.__init__(self, "QPSK Test") Qt.QWidget.__init__(self) self.setWindowTitle("QPSK Test") 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", "QPSK_Test") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sym_rate = sym_rate = 500000 self.samp_rate = samp_rate = 2000000 self.sps = sps = int(samp_rate/sym_rate) self.nfilts = nfilts = 32 self.trans_width = trans_width = 10000 self.timing_loop_bw = timing_loop_bw = 6.28/100.0 self.time_offset = time_offset = 1.00 self.taps = taps = [1.0 + 0.0j, ] self.sps_out = sps_out = 2 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.phase_bw = phase_bw = 6.28/100.0 self.noise_volt = noise_volt = 0.0001 self.freq_offset = freq_offset = 0 self.filter_gain = filter_gain = 1 self.excess_bw = excess_bw = 0.35 self.eq_gain = eq_gain = 0.01 self.co_freq = co_freq = samp_rate/2 self.arity = arity = 4 ################################################## # Blocks ################################################## self.controls = Qt.QTabWidget() self.controls_widget_0 = Qt.QWidget() self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0) self.controls_grid_layout_0 = Qt.QGridLayout() self.controls_layout_0.addLayout(self.controls_grid_layout_0) self.controls.addTab(self.controls_widget_0, "Channel") self.controls_widget_1 = Qt.QWidget() self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1) self.controls_grid_layout_1 = Qt.QGridLayout() self.controls_layout_1.addLayout(self.controls_grid_layout_1) self.controls.addTab(self.controls_widget_1, "LPF") self.controls_widget_2 = Qt.QWidget() self.controls_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_2) self.controls_grid_layout_2 = Qt.QGridLayout() self.controls_layout_2.addLayout(self.controls_grid_layout_2) self.controls.addTab(self.controls_widget_2, "Receiver") self.top_grid_layout.addWidget(self.controls, 0,0,1,1) self._trans_width_layout = Qt.QHBoxLayout() self._trans_width_layout.addWidget(Qt.QLabel("Transition Width"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._trans_width_counter = qwt_counter_pyslot() self._trans_width_counter.setRange(1000, 100000, 1000) self._trans_width_counter.setNumButtons(2) self._trans_width_counter.setMinimumWidth(200) self._trans_width_counter.setValue(self.trans_width) self._trans_width_layout.addWidget(self._trans_width_counter) self._trans_width_counter.valueChanged.connect(self.set_trans_width) self.controls_grid_layout_1.addLayout(self._trans_width_layout, 1,0,1,1) self._timing_loop_bw_layout = Qt.QHBoxLayout() self._timing_loop_bw_layout.addWidget(Qt.QLabel("Timing Loop BW "+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._timing_loop_bw_counter = qwt_counter_pyslot() self._timing_loop_bw_counter.setRange(0.0, 0.2, 0.01) self._timing_loop_bw_counter.setNumButtons(2) self._timing_loop_bw_counter.setMinimumWidth(200) self._timing_loop_bw_counter.setValue(self.timing_loop_bw) self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_counter) self._timing_loop_bw_counter.valueChanged.connect(self.set_timing_loop_bw) self.controls_grid_layout_2.addLayout(self._timing_loop_bw_layout, 0,0,1,1) self._time_offset_layout = Qt.QHBoxLayout() self._time_offset_layout.addWidget(Qt.QLabel("Timing Offset"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._time_offset_counter = qwt_counter_pyslot() self._time_offset_counter.setRange(0.995, 1.005, 0.0001) self._time_offset_counter.setNumButtons(2) self._time_offset_counter.setMinimumWidth(200) self._time_offset_counter.setValue(self.time_offset) self._time_offset_layout.addWidget(self._time_offset_counter) self._time_offset_counter.valueChanged.connect(self.set_time_offset) self.controls_grid_layout_0.addLayout(self._time_offset_layout, 1,0,1,1) self._phase_bw_layout = Qt.QHBoxLayout() self._phase_bw_layout.addWidget(Qt.QLabel("Phase Loop BW "+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._phase_bw_counter = qwt_counter_pyslot() self._phase_bw_counter.setRange(0.0, 1.0, 0.01) self._phase_bw_counter.setNumButtons(2) self._phase_bw_counter.setMinimumWidth(200) self._phase_bw_counter.setValue(self.phase_bw) self._phase_bw_layout.addWidget(self._phase_bw_counter) self._phase_bw_counter.valueChanged.connect(self.set_phase_bw) self.controls_grid_layout_2.addLayout(self._phase_bw_layout, 2,0,1,1) self._noise_volt_layout = Qt.QHBoxLayout() self._noise_volt_layout.addWidget(Qt.QLabel("Noise Voltage"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._noise_volt_counter = qwt_counter_pyslot() self._noise_volt_counter.setRange(0, 1, 0.01) self._noise_volt_counter.setNumButtons(2) self._noise_volt_counter.setMinimumWidth(200) self._noise_volt_counter.setValue(self.noise_volt) self._noise_volt_layout.addWidget(self._noise_volt_counter) self._noise_volt_counter.valueChanged.connect(self.set_noise_volt) self.controls_grid_layout_0.addLayout(self._noise_volt_layout, 0,0,1,1) self._freq_offset_layout = Qt.QHBoxLayout() self._freq_offset_layout.addWidget(Qt.QLabel("Frequency Offset"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._freq_offset_counter = qwt_counter_pyslot() self._freq_offset_counter.setRange(-0.1, 0.1, 0.001) self._freq_offset_counter.setNumButtons(2) self._freq_offset_counter.setMinimumWidth(200) self._freq_offset_counter.setValue(self.freq_offset) self._freq_offset_layout.addWidget(self._freq_offset_counter) self._freq_offset_counter.valueChanged.connect(self.set_freq_offset) self.controls_grid_layout_0.addLayout(self._freq_offset_layout, 2,0,1,1) self._filter_gain_layout = Qt.QHBoxLayout() self._filter_gain_layout.addWidget(Qt.QLabel("Filter Gain"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._filter_gain_counter = qwt_counter_pyslot() self._filter_gain_counter.setRange(1, 10, 1) self._filter_gain_counter.setNumButtons(2) self._filter_gain_counter.setMinimumWidth(200) self._filter_gain_counter.setValue(self.filter_gain) self._filter_gain_layout.addWidget(self._filter_gain_counter) self._filter_gain_counter.valueChanged.connect(self.set_filter_gain) self.controls_grid_layout_1.addLayout(self._filter_gain_layout, 2,0,1,1) self.fig_tabs = Qt.QTabWidget() self.fig_tabs_widget_0 = Qt.QWidget() self.fig_tabs_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.fig_tabs_widget_0) self.fig_tabs_grid_layout_0 = Qt.QGridLayout() self.fig_tabs_layout_0.addLayout(self.fig_tabs_grid_layout_0) self.fig_tabs.addTab(self.fig_tabs_widget_0, "LPF output") self.fig_tabs_widget_1 = Qt.QWidget() self.fig_tabs_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.fig_tabs_widget_1) self.fig_tabs_grid_layout_1 = Qt.QGridLayout() self.fig_tabs_layout_1.addLayout(self.fig_tabs_grid_layout_1) self.fig_tabs.addTab(self.fig_tabs_widget_1, "PFB output") self.fig_tabs_widget_2 = Qt.QWidget() self.fig_tabs_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.fig_tabs_widget_2) self.fig_tabs_grid_layout_2 = Qt.QGridLayout() self.fig_tabs_layout_2.addLayout(self.fig_tabs_grid_layout_2) self.fig_tabs.addTab(self.fig_tabs_widget_2, "CMA output") self.fig_tabs_widget_3 = Qt.QWidget() self.fig_tabs_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.fig_tabs_widget_3) self.fig_tabs_grid_layout_3 = Qt.QGridLayout() self.fig_tabs_layout_3.addLayout(self.fig_tabs_grid_layout_3) self.fig_tabs.addTab(self.fig_tabs_widget_3, "Costas output") self.top_grid_layout.addWidget(self.fig_tabs, 1,0,1,2) self._eq_gain_layout = Qt.QHBoxLayout() self._eq_gain_layout.addWidget(Qt.QLabel("Equalizer Gain "+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._eq_gain_counter = qwt_counter_pyslot() self._eq_gain_counter.setRange(0.0, 0.1, 0.001) self._eq_gain_counter.setNumButtons(2) self._eq_gain_counter.setMinimumWidth(200) self._eq_gain_counter.setValue(self.eq_gain) self._eq_gain_layout.addWidget(self._eq_gain_counter) self._eq_gain_counter.valueChanged.connect(self.set_eq_gain) self.controls_grid_layout_2.addLayout(self._eq_gain_layout, 1,0,1,1) self._co_freq_layout = Qt.QHBoxLayout() self._co_freq_layout.addWidget(Qt.QLabel("Cutoff Frequency"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._co_freq_counter = qwt_counter_pyslot() self._co_freq_counter.setRange(0, samp_rate/2, 100000) self._co_freq_counter.setNumButtons(2) self._co_freq_counter.setMinimumWidth(200) self._co_freq_counter.setValue(self.co_freq) self._co_freq_layout.addWidget(self._co_freq_counter) self._co_freq_counter.valueChanged.connect(self.set_co_freq) self.controls_grid_layout_1.addLayout(self._co_freq_layout, 0,0,1,1) self.qtgui_sink_x_0_2 = qtgui.sink_c( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate*sps_out/sps, #bw "", #name True, #plotfreq True, #plotwaterfall True, #plottime True, #plotconst ) self.qtgui_sink_x_0_2.set_update_time(1.0/10) self._qtgui_sink_x_0_2_win = sip.wrapinstance(self.qtgui_sink_x_0_2.pyqwidget(), Qt.QWidget) self.fig_tabs_layout_3.addWidget(self._qtgui_sink_x_0_2_win) self.qtgui_sink_x_0_2.enable_rf_freq(False) self.qtgui_sink_x_0_1 = qtgui.sink_c( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate*sps_out/sps, #bw "", #name True, #plotfreq True, #plotwaterfall True, #plottime True, #plotconst ) self.qtgui_sink_x_0_1.set_update_time(1.0/10) self._qtgui_sink_x_0_1_win = sip.wrapinstance(self.qtgui_sink_x_0_1.pyqwidget(), Qt.QWidget) self.fig_tabs_layout_1.addWidget(self._qtgui_sink_x_0_1_win) self.qtgui_sink_x_0_1.enable_rf_freq(False) self.qtgui_sink_x_0_0 = qtgui.sink_c( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name True, #plotfreq True, #plotwaterfall True, #plottime True, #plotconst ) self.qtgui_sink_x_0_0.set_update_time(1.0/10) self._qtgui_sink_x_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget) self.fig_tabs_layout_0.addWidget(self._qtgui_sink_x_0_0_win) self.qtgui_sink_x_0_0.enable_rf_freq(False) self.qtgui_sink_x_0 = qtgui.sink_c( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate*sps_out/sps, #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.fig_tabs_layout_2.addWidget(self._qtgui_sink_x_0_win) self.qtgui_sink_x_0.enable_rf_freq(False) self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass( filter_gain, samp_rate, co_freq, trans_width, firdes.WIN_RECTANGULAR, 6.76)) self.digital_psk_mod_0 = digital.psk.psk_mod( constellation_points=arity, mod_code="gray", differential=True, samples_per_symbol=sps, excess_bw=0.35, verbose=False, log=False, ) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, sps_out) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity, False) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(11, 1, eq_gain, sps_out) self.channels_channel_model_0 = channels.channel_model( noise_voltage=noise_volt, frequency_offset=freq_offset, epsilon=time_offset, taps=(taps), noise_seed=0, block_tags=False ) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 10000)), True) ################################################## # Connections ################################################## self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.analog_random_source_x_0, 0), (self.digital_psk_mod_0, 0)) self.connect((self.digital_psk_mod_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_sink_x_0_1, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_sink_x_0_2, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_sink_x_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.qtgui_sink_x_0_0, 0))
def __init__(self): gr.top_block.__init__(self, "Trcbpsk") Qt.QWidget.__init__(self) self.setWindowTitle("Trcbpsk") 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", "trcbpsk") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j] self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.qpsk = qpsk = digital.constellation_rect(([1,1j, -1, -1j]), ([0, 1, 3, 2]), 4, 2, 2, 1, 1).base() self.excess_bw = excess_bw = 0.35 ################################################## # Blocks ################################################## self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024/2, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10/2) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 0,0,1,1) self.digital_psk_mod_0 = digital.psk.psk_mod( constellation_points=4, mod_code="gray", differential=True, samples_per_symbol=sps, excess_bw=excess_bw, verbose=False, log=False, ) self.digital_psk_demod_0 = digital.psk.psk_demod( constellation_points=4, differential=True, samples_per_symbol=sps, excess_bw=0.35, phase_bw=6.28/100.0, timing_bw=6.28/100.0, mod_code="gray", verbose=False, log=False, ) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 0.2, (rrc_taps), nfilts, 16, 1.5, sps/4) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(21, 0.000001, 4, qpsk) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(4, excess_bw, 45, 0.034) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(0.34, 4, False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/arun/Desktop/Untitled Folder/abc.txt", False) self.blocks_file_sink_0.set_unbuffered(False) self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder( access_code="", threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload), ), ) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 2, 1000)), True) ################################################## # Connections ################################################## self.connect((self.analog_random_source_x_0, 0), (self.digital_psk_mod_0, 0)) self.connect((self.blks2_packet_decoder_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_psk_demod_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.digital_psk_demod_0, 0), (self.blks2_packet_decoder_0, 0)) self.connect((self.digital_psk_mod_0, 0), (self.blocks_throttle_0, 0))
def __init__(self): gr.top_block.__init__(self, "Rx Application") Qt.QWidget.__init__(self) self.setWindowTitle("Rx Application") 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", "rx_application") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.preamble = preamble = [ 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1, -1, -1, -1, -1, -1, 1, 1, 1, 1, 1, 1, -1, -1, ] self.nfilts = nfilts = 32 self.eb = eb = 0.35 self.usrp_rf_freq = usrp_rf_freq = 2475e6 self.samp_rate = samp_rate = 200000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0 / float(sps), eb, 5 * sps * nfilts) self.preamble_qpsk = preamble_qpsk = map(lambda x: x * (1 + 1j) / pow(2, 0.5), preamble) self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11 * sps * nfilts)) self.gain = gain = 29 self.digital_gain = digital_gain = 15 self.addr = addr = "addr=192.168.50.2" ################################################## # Blocks ################################################## self._usrp_rf_freq_range = Range(2400e6, 2500e6, 100e3, 2475e6, 200) self._usrp_rf_freq_win = RangeWidget( self._usrp_rf_freq_range, self.set_usrp_rf_freq, "Rx Frequency", "counter_slider" ) self.top_grid_layout.addWidget(self._usrp_rf_freq_win, 3, 0, 1, 2) self._gain_range = Range(0, 40, 0.5, 29, 200) self._gain_win = RangeWidget(self._gain_range, self.set_gain, "Rx Gain", "counter_slider") self.top_grid_layout.addWidget(self._gain_win, 1, 0, 1, 2) self._digital_gain_range = Range(0, 60, 1, 15, 200) self._digital_gain_win = RangeWidget( self._digital_gain_range, self.set_digital_gain, "Digital Gain", "counter_slider" ) self.top_grid_layout.addWidget(self._digital_gain_win, 2, 0, 1, 2) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join((addr, "")), uhd.stream_args(cpu_format="fc32", channels=range(1)) ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(usrp_rf_freq, 0) self.uhd_usrp_source_0.set_gain(gain, 0) self.uhd_usrp_source_0.set_antenna("J1", 0) self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_VERT, 1) self.qtgui_number_sink_0.set_update_time(0.1) self.qtgui_number_sink_0.set_title("Packet Received") labels = [" ", "", "", "", "", "", "", "", "", ""] units = ["packet/sec", "", "", "", "", "", "", "", "", ""] colors = [ ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_0.set_min(i, 0) self.qtgui_number_sink_0.set_max(i, 100) self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0.set_label(i, labels[i]) self.qtgui_number_sink_0.set_unit(i, units[i]) self.qtgui_number_sink_0.set_factor(i, factor[i]) self.qtgui_number_sink_0.enable_autoscale(False) self._qtgui_number_sink_0_win = sip.wrapinstance(self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 0, 1, 1, 1) self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(20000, "", 1) # size # name # number of inputs self.qtgui_const_sink_x_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0.enable_grid(False) if not False: self.qtgui_const_sink_x_0_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 0, 0, 1, 1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 2 * 3.14 / 100.0, (rrc_taps), nfilts, 0, 0.5, sps / 4 ) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(sps, eb, 45, 2 * 3.14 / 100.0) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1 * 3.14 / 50.0, 4, False) self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble_qpsk), (matched_filter), sps) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, 0.01, 1) self.crew_packet_decoder_cb_0 = crew.packet_decoder_cb((preamble_qpsk)) self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_gr_complex * 1) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char * 1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((digital_gain,)) ################################################## # Connections ################################################## self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.crew_packet_decoder_cb_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.crew_packet_decoder_cb_0, 1), (self.qtgui_number_sink_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0_0, 0)) self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.crew_packet_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_correlate_and_sync_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
def __init__(self, puncpat='11'): gr.top_block.__init__(self, "Rx") Qt.QWidget.__init__(self) self.setWindowTitle("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", "rx") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.sps = sps = 4 self.samp_rate_array_MCR = samp_rate_array_MCR = [ 7500000, 5000000, 3750000, 3000000, 2500000, 2000000, 1500000, 1000000, 937500, 882352, 833333, 714285, 533333, 500000, 421052, 400000, 380952 ] self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.H_dec = H_dec = fec.ldpc_H_matrix( '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24) self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 30 self.variable_qtgui_range_0_0 = variable_qtgui_range_0_0 = 52 self.variable_qtgui_check_box_0 = variable_qtgui_check_box_0 = True self.samp_rate = samp_rate = samp_rate_array_MCR[15] self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts) self.pld_dec = pld_dec = map((lambda a: fec.ldpc_bit_flip_decoder.make( H_dec.get_base_sptr(), 100)), range(0, 8)) self.pld_const = pld_const = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.frequencia_usrp = frequencia_usrp = 484e6 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 30, 200) self._variable_qtgui_range_0_1_win = RangeWidget( self._variable_qtgui_range_0_1_range, self.set_variable_qtgui_range_0_1, 'Gain_RX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_1_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self._variable_qtgui_range_0_0_range = Range(0, 90, 1, 52, 200) self._variable_qtgui_range_0_0_win = RangeWidget( self._variable_qtgui_range_0_0_range, self.set_variable_qtgui_range_0_0, 'Gain_Jamming', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_0_win, 0, 3, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) _variable_qtgui_check_box_0_check_box = Qt.QCheckBox('ENABLE JAM') self._variable_qtgui_check_box_0_choices = {True: True, False: False} self._variable_qtgui_check_box_0_choices_inv = dict( (v, k) for k, v in self._variable_qtgui_check_box_0_choices.iteritems()) self._variable_qtgui_check_box_0_callback = lambda i: Qt.QMetaObject.invokeMethod( _variable_qtgui_check_box_0_check_box, "setChecked", Qt.Q_ARG("bool", self._variable_qtgui_check_box_0_choices_inv[i])) self._variable_qtgui_check_box_0_callback( self.variable_qtgui_check_box_0) _variable_qtgui_check_box_0_check_box.stateChanged.connect( lambda i: self.set_variable_qtgui_check_box_0( self._variable_qtgui_check_box_0_choices[bool(i)])) self.top_grid_layout.addWidget(_variable_qtgui_check_box_0_check_box, 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.uhd_usrp_source_0_0 = uhd.usrp_source( ",".join(("serial=F5EAC0", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_source_0_0.set_gain(variable_qtgui_range_0_1, 0) self.uhd_usrp_source_0_0.set_antenna('TX/RX', 0) self.uhd_usrp_source_0_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0_0.set_auto_iq_balance(True, 0) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("serial=F5EAC0", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0.set_subdev_spec('A:B', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_sink_0.set_gain(variable_qtgui_range_0_0, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.scrambler_cpp_additive_descrambler_0 = scrambler_cpp.additive_descrambler( 0x8A, 0x7F, 7, 440 - 32) self.qtgui_time_sink_x_1_0_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "TX JAMMING USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0_0.enable_grid(False) self.qtgui_time_sink_x_1_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_0_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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_0_win, 1, 1, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "RX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win, 1, 3, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_1 = qtgui.time_sink_f( 100 * 2, #size samp_rate, #samp_rate 'Rx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_1.set_update_time(0.10) self.qtgui_time_sink_x_0_1.set_y_axis(-1, 256) 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, 'packet_length_tag_key') self.qtgui_time_sink_x_0_1.enable_autoscale(True) self.qtgui_time_sink_x_0_1.enable_grid(True) 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 = [ "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_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_grid_layout.addWidget(self._qtgui_time_sink_x_0_1_win, 2, 3, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 1 #number of inputs ) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_axis_labels(True) self.qtgui_freq_sink_x_1.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_1.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_1.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_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance( self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win, 1, 2, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_1 = qtgui.const_sink_c( 1024, #size "RX Const", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_1.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_trigger_mode( qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_1.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_1.enable_grid(False) self.qtgui_const_sink_x_0_0_0_1.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_1_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_1_win, 2, 1, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c( 1024, #size "RX Treated", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_win, 2, 2, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.interp_fir_filter_xxx_1 = filter.interp_fir_filter_ccc( 4, ([1, 0, 0, 0])) self.interp_fir_filter_xxx_1.declare_sample_delay(0) self.fec_extended_decoder_0_0_1_0_1_0_0 = fec.extended_decoder( decoder_obj_list=pld_dec, threading='capillary', ann=None, puncpat=puncpat, integration_period=10000) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 6.28 / 100.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 1) self.digital_map_bb_0_0_0_0_0_0 = digital.map_bb(([-1, 1])) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb( pld_const.arity()) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( 6.28 / 100.0, pld_const.arity(), False) self.digital_correlate_access_code_xx_ts_0_0 = digital.correlate_access_code_bb_ts( digital.packet_utils.default_access_code, 4, 'packet_len') self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( pld_const) self.custom_corr = correlate_and_delay.corr_and_delay( 200 * sps, 0, 0.99, sps) self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( pld_const.bits_per_symbol(), 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( pld_const.bits_per_symbol(), 1, '', False, gr.GR_MSB_FIRST) self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_gr_complex * 1) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1) self.blocks_multiply_const_vxx_1_0 = blocks.multiply_const_vcc((0.5, )) self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n( gr.sizeof_char, 440, 442, 0) self.blocks_keep_m_in_n_0_0_2_0_0 = blocks.keep_m_in_n( gr.sizeof_char, 1100, 1104, 0) self.blocks_file_sink_0_0_0_0_2 = blocks.file_sink( gr.sizeof_char * 1, '/home/it/Desktop/Trasmited/depois.txt', False) self.blocks_file_sink_0_0_0_0_2.set_unbuffered(False) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1, 'rx_ber.txt', False) self.blocks_file_sink_0.set_unbuffered(False) self.blocks_copy_0 = blocks.copy(gr.sizeof_gr_complex * 1) self.blocks_copy_0.set_enabled(variable_qtgui_check_box_0) self.blocks_char_to_float_1_0_1 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_2_0_0_0 = blocks.char_to_float(1, 1) self.analog_noise_source_x_0_0 = analog.noise_source_c( analog.GR_GAUSSIAN, 1, -5) self.adapt_lms_filter_xx_0 = adapt.lms_filter_cc( True, 32, 0.0001, 0, 1, True, False, False) ################################################## # Connections ################################################## self.connect((self.adapt_lms_filter_xx_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.adapt_lms_filter_xx_0, 1), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.analog_noise_source_x_0_0, 0), (self.interp_fir_filter_xxx_1, 0)) self.connect((self.blocks_char_to_float_0_2_0_0_0, 0), (self.fec_extended_decoder_0_0_1_0_1_0_0, 0)) self.connect((self.blocks_char_to_float_1_0_1, 0), (self.qtgui_time_sink_x_0_1, 0)) self.connect((self.blocks_copy_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_keep_m_in_n_0_0_2_0_0, 0), (self.digital_map_bb_0_0_0_0_0_0, 0)) self.connect((self.blocks_keep_m_in_n_0_1_1_0, 0), (self.scrambler_cpp_additive_descrambler_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.blocks_copy_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.custom_corr, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.blocks_multiply_const_vxx_1_0, 0), (self.qtgui_time_sink_x_1_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_correlate_access_code_xx_ts_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_char_to_float_1_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0_0_2, 0)) self.connect((self.custom_corr, 0), (self.adapt_lms_filter_xx_0, 1)) self.connect((self.custom_corr, 1), (self.adapt_lms_filter_xx_0, 0)) self.connect((self.custom_corr, 2), (self.blocks_null_sink_1, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_keep_m_in_n_0_0_2_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_0_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.digital_map_bb_0_0_0_0_0_0, 0), (self.blocks_char_to_float_0_2_0_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.fec_extended_decoder_0_0_1_0_1_0_0, 0), (self.blocks_keep_m_in_n_0_1_1_0, 0)) self.connect((self.interp_fir_filter_xxx_1, 0), (self.blocks_multiply_const_vxx_1_0, 0)) self.connect((self.scrambler_cpp_additive_descrambler_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.custom_corr, 1)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_const_sink_x_0_0_0_1, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_time_sink_x_1_0, 0))
def __init__(self): gr.top_block.__init__(self, "Mpsk Simul") Qt.QWidget.__init__(self) self.setWindowTitle("Mpsk Simul") 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", "mpsk_simul") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 8 self.nfilts = nfilts = 32 self.timing_loop_bw = timing_loop_bw = 6.28/100.0 self.time_offset = time_offset = 1.00 self.taps = taps = [1.0 + 0.0j, ] self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.phase_bw = phase_bw = 6.28/100.0 self.noise_volt = noise_volt = 0.001 self.freq_offset = freq_offset = 0 self.eq_gain = eq_gain = 0.01 self.arity = arity = 8 ################################################## # Blocks ################################################## self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28/100.0, 200) self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, "Time: BW", "slider", float) self.top_grid_layout.addWidget(self._timing_loop_bw_win, 3,1,1,1) self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.00, 200) self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, "Channel: Timing Offset", "slider", float) self.top_grid_layout.addWidget(self._time_offset_win, 3,0,1,1) self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.28/100.0, 200) self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, "Phase: Bandwidth", "slider", float) self.top_grid_layout.addWidget(self._phase_bw_win, 4,1,1,1) self._noise_volt_range = Range(0, 1, 0.01, 0.001, 200) self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, "Channel: Noise Voltage", "slider", float) self.top_grid_layout.addWidget(self._noise_volt_win, 2,0,1,1) self._freq_offset_range = Range(-0.1, 0.1, 0.001, 0, 200) self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, "Channel: Frequency Offset", "slider", float) self.top_grid_layout.addWidget(self._freq_offset_win, 2,1,1,1) self._eq_gain_range = Range(0.0, 0.1, 0.001, 0.01, 200) self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, "Equalizer: rate", "slider", float) self.top_grid_layout.addWidget(self._eq_gain_win, 4,0,1,1) self.snr_mpsk_receiver_snr_est_cc_0 = snr.mpsk_receiver_snr_est_cc(10000, 0.001) self.snr_channel_model_snr_0 = snr.channel_model_snr( noise_voltage=noise_volt, frequency_offset=freq_offset, epsilon=time_offset, taps=(taps), noise_seed=0, block_tags=False ) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 4000, #size samp_rate, #samp_rate "QT GUI Plot", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.01) 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(-1, 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(False) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: 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, 0,0,1,1) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "QT GUI Plot", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 0,1,1,1) self.digital_psk_mod_0 = digital.psk.psk_mod( constellation_points=arity, mod_code="gray", differential=True, samples_per_symbol=sps, excess_bw=0.35, verbose=False, log=False, ) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity, False) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((1+1j, )) self.blocks_message_debug_0 = blocks.message_debug() self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 10000)), True) ################################################## # Connections ################################################## self.msg_connect((self.snr_channel_model_snr_0, 'snr_level_out'), (self.snr_mpsk_receiver_snr_est_cc_0, 'snr_level_in')) self.connect((self.analog_random_source_x_0, 0), (self.digital_psk_mod_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.snr_channel_model_snr_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_costas_loop_cc_0, 1), (self.qtgui_time_sink_x_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_psk_mod_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.snr_channel_model_snr_0, 0), (self.snr_mpsk_receiver_snr_est_cc_0, 0)) self.connect((self.snr_mpsk_receiver_snr_est_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
def __init__(self): gr.top_block.__init__(self, "Simulation for SDR TCC") Qt.QWidget.__init__(self) self.setWindowTitle("Simulation for SDR TCC") 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", "sdrSim2") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.eb = eb = 0.35 self.timing_loop_bw = timing_loop_bw = 0.005 self.time_offset = time_offset = 1.00 self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j] self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-1,-1,-1,1,-1,1,1,1,1,-1,-1,1,-1,1,-1,-1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1] self.phase_bw = phase_bw = 6.28/100.0 self.payload_size = payload_size = 992 self.noise_volt = noise_volt = 0.0001 self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts)) self.freq_offset = freq_offset = 0 self.freq_bw = freq_bw = 6.28/100.0 self.excess_bw = excess_bw = 0.35 self.eq_gain = eq_gain = 0.01 self.delay = delay = 0 self.arity = arity = 4 ################################################## # Blocks ################################################## self.controls = Qt.QTabWidget() self.controls_widget_0 = Qt.QWidget() self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0) self.controls_grid_layout_0 = Qt.QGridLayout() self.controls_layout_0.addLayout(self.controls_grid_layout_0) self.controls.addTab(self.controls_widget_0, "Channel") self.controls_widget_1 = Qt.QWidget() self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1) self.controls_grid_layout_1 = Qt.QGridLayout() self.controls_layout_1.addLayout(self.controls_grid_layout_1) self.controls.addTab(self.controls_widget_1, "Receiver") self.top_grid_layout.addWidget(self.controls, 0,0,1,2) self._timing_loop_bw_layout = Qt.QVBoxLayout() self._timing_loop_bw_label = Qt.QLabel("Time: BW") self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005) self._timing_loop_bw_slider.setValue(self.timing_loop_bw) self._timing_loop_bw_slider.setMinimumWidth(200) self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw) self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label) self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider) self.controls_grid_layout_1.addLayout(self._timing_loop_bw_layout, 0,0,1,1) self._time_offset_layout = Qt.QVBoxLayout() self._time_offset_tool_bar = Qt.QToolBar(self) self._time_offset_layout.addWidget(self._time_offset_tool_bar) self._time_offset_tool_bar.addWidget(Qt.QLabel("Timing Offset"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._time_offset_counter = qwt_counter_pyslot() self._time_offset_counter.setRange(0.999, 1.001, 0.0001) self._time_offset_counter.setNumButtons(2) self._time_offset_counter.setValue(self.time_offset) self._time_offset_tool_bar.addWidget(self._time_offset_counter) self._time_offset_counter.valueChanged.connect(self.set_time_offset) self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._time_offset_slider.setRange(0.999, 1.001, 0.0001) self._time_offset_slider.setValue(self.time_offset) self._time_offset_slider.setMinimumWidth(200) self._time_offset_slider.valueChanged.connect(self.set_time_offset) self._time_offset_layout.addWidget(self._time_offset_slider) self.controls_grid_layout_0.addLayout(self._time_offset_layout, 0,2,1,1) self.received = Qt.QTabWidget() self.received_widget_0 = Qt.QWidget() self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_0) self.received_grid_layout_0 = Qt.QGridLayout() self.received_layout_0.addLayout(self.received_grid_layout_0) self.received.addTab(self.received_widget_0, "Constellation") self.received_widget_1 = Qt.QWidget() self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_1) self.received_grid_layout_1 = Qt.QGridLayout() self.received_layout_1.addLayout(self.received_grid_layout_1) self.received.addTab(self.received_widget_1, "Symbols") self.top_grid_layout.addWidget(self.received, 2,0,1,1) self._phase_bw_layout = Qt.QVBoxLayout() self._phase_bw_label = Qt.QLabel("Phase: Bandwidth") self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._phase_bw_slider.setRange(0.0, 1.0, 0.01) self._phase_bw_slider.setValue(self.phase_bw) self._phase_bw_slider.setMinimumWidth(200) self._phase_bw_slider.valueChanged.connect(self.set_phase_bw) self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._phase_bw_layout.addWidget(self._phase_bw_label) self._phase_bw_layout.addWidget(self._phase_bw_slider) self.controls_grid_layout_1.addLayout(self._phase_bw_layout, 0,2,1,1) self._noise_volt_layout = Qt.QVBoxLayout() self._noise_volt_tool_bar = Qt.QToolBar(self) self._noise_volt_layout.addWidget(self._noise_volt_tool_bar) self._noise_volt_tool_bar.addWidget(Qt.QLabel("Noise Voltage"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._noise_volt_counter = qwt_counter_pyslot() self._noise_volt_counter.setRange(0, 1, 0.01) self._noise_volt_counter.setNumButtons(2) self._noise_volt_counter.setValue(self.noise_volt) self._noise_volt_tool_bar.addWidget(self._noise_volt_counter) self._noise_volt_counter.valueChanged.connect(self.set_noise_volt) self._noise_volt_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._noise_volt_slider.setRange(0, 1, 0.01) self._noise_volt_slider.setValue(self.noise_volt) self._noise_volt_slider.setMinimumWidth(200) self._noise_volt_slider.valueChanged.connect(self.set_noise_volt) self._noise_volt_layout.addWidget(self._noise_volt_slider) self.controls_grid_layout_0.addLayout(self._noise_volt_layout, 0,0,1,1) self._freq_offset_layout = Qt.QVBoxLayout() self._freq_offset_tool_bar = Qt.QToolBar(self) self._freq_offset_layout.addWidget(self._freq_offset_tool_bar) self._freq_offset_tool_bar.addWidget(Qt.QLabel("Frequency Offset"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._freq_offset_counter = qwt_counter_pyslot() self._freq_offset_counter.setRange(-0.1, 0.1, 0.001) self._freq_offset_counter.setNumButtons(2) self._freq_offset_counter.setValue(self.freq_offset) self._freq_offset_tool_bar.addWidget(self._freq_offset_counter) self._freq_offset_counter.valueChanged.connect(self.set_freq_offset) self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._freq_offset_slider.setRange(-0.1, 0.1, 0.001) self._freq_offset_slider.setValue(self.freq_offset) self._freq_offset_slider.setMinimumWidth(200) self._freq_offset_slider.valueChanged.connect(self.set_freq_offset) self._freq_offset_layout.addWidget(self._freq_offset_slider) self.controls_grid_layout_0.addLayout(self._freq_offset_layout, 0,1,1,1) self._eq_gain_layout = Qt.QVBoxLayout() self._eq_gain_label = Qt.QLabel("Equalizer: rate") self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._eq_gain_slider.setRange(0.0, 0.1, 0.001) self._eq_gain_slider.setValue(self.eq_gain) self._eq_gain_slider.setMinimumWidth(200) self._eq_gain_slider.valueChanged.connect(self.set_eq_gain) self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._eq_gain_layout.addWidget(self._eq_gain_label) self._eq_gain_layout.addWidget(self._eq_gain_slider) self.controls_grid_layout_1.addLayout(self._eq_gain_layout, 0,1,1,1) self._delay_layout = Qt.QVBoxLayout() self._delay_tool_bar = Qt.QToolBar(self) self._delay_layout.addWidget(self._delay_tool_bar) self._delay_tool_bar.addWidget(Qt.QLabel("Delay"+": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._delay_counter = qwt_counter_pyslot() self._delay_counter.setRange(0, 200, 1) self._delay_counter.setNumButtons(2) self._delay_counter.setValue(self.delay) self._delay_tool_bar.addWidget(self._delay_counter) self._delay_counter.valueChanged.connect(self.set_delay) self._delay_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._delay_slider.setRange(0, 200, 1) self._delay_slider.setValue(self.delay) self._delay_slider.setMinimumWidth(200) self._delay_slider.valueChanged.connect(self.set_delay) self._delay_layout.addWidget(self._delay_slider) self.top_grid_layout.addLayout(self._delay_layout, 1,0,1,1) self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(True) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 500, #size samp_rate, #samp_rate "", #name 2 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 2) self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(False) 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: self.qtgui_time_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 2,1,1,1) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 500, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 4) self.qtgui_time_sink_x_0.enable_tags(-1, 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(False) 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.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win, 0,0,1,1) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.enable_autoscale(False) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0,0,1,1) self._freq_bw_layout = Qt.QVBoxLayout() self._freq_bw_label = Qt.QLabel("Frequency Bandwidth") self._freq_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._freq_bw_slider.setRange(0.0, 1.0, 0.01) self._freq_bw_slider.setValue(self.freq_bw) self._freq_bw_slider.setMinimumWidth(200) self._freq_bw_slider.valueChanged.connect(self.set_freq_bw) self._freq_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._freq_bw_layout.addWidget(self._freq_bw_label) self._freq_bw_layout.addWidget(self._freq_bw_slider) self.controls_grid_layout_1.addLayout(self._freq_bw_layout, 0,3,1,1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2) self.digital_map_bb_0 = digital.map_bb(([0,1,3,2])) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity) self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk, differential=True, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=False, log=False, ) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2) self.channels_channel_model_0 = channels.channel_model( noise_voltage=noise_volt, frequency_offset=freq_offset, epsilon=time_offset, taps=(taps), noise_seed=0, block_tags=False ) self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, []) self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size)) self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8) self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/tx_teste.txt", True) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/rx_teste.txt", False) self.blocks_file_sink_0.set_unbuffered(False) self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, int(delay)) self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0)) self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0)) self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_mux_0_0_0, 1)) self.connect((self.blocks_file_source_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0)) self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.digital_map_bb_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_my_qpsk_demod_cb_1, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_char_to_float_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
def __init__(self, ip='127.0.0.1', iq_file='./rocksat_125kbd_500ksps_date_comment.dat', meta_rate=.1, port='52001', record_iq=0, record_rfo=0, record_snr=0, rfo_file='./rocksat_rfo_date_comment.meta', snr_file='./rocksat_snr_date_comment.meta'): gr.top_block.__init__(self, "VTGS Rocksat Receiver") Qt.QWidget.__init__(self) self.setWindowTitle("VTGS Rocksat Receiver") 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", "vtgs_rx_1") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.ip = ip self.iq_file = iq_file self.meta_rate = meta_rate self.port = port self.record_iq = record_iq self.record_rfo = record_rfo self.record_snr = record_snr self.rfo_file = rfo_file self.snr_file = snr_file ################################################## # Variables ################################################## self.samp_rate = samp_rate = 250e3 self.baud = baud = 125e3 / 2 self.samps_per_symb = samps_per_symb = int(samp_rate / baud) self.rx_freq = rx_freq = 2395e6 self.alpha = alpha = 0.5 self.tuned_center = tuned_center = 'baud_0' self.rx_offset = rx_offset = 250e3 self.rx_gain = rx_gain = 10 self.rrc_filter_taps = rrc_filter_taps = firdes.root_raised_cosine( 32, 1.0, 1.0 / (samps_per_symb * 32), alpha, samps_per_symb * 32) self.noise = noise = 0 self.mult = mult = (samp_rate) / 2 / 3.141593 self.lpf_taps = lpf_taps = firdes.low_pass(1.0, samp_rate, samp_rate / 2, 1000, firdes.WIN_HAMMING, 6.76) self.lo = lo = 1833e6 self.khz_offset = khz_offset = 0 self.center_freq_lbl = center_freq_lbl = rx_freq / 1e6 ################################################## # Blocks ################################################## self._noise_range = Range(0, 1, 0.00001, 0, 200) self._noise_win = RangeWidget(self._noise_range, self.set_noise, "noise", "counter_slider", float) self.top_layout.addWidget(self._noise_win) self._khz_offset_range = Range(-150, 150, 1, 0, 200) self._khz_offset_win = RangeWidget(self._khz_offset_range, self.set_khz_offset, 'Offset [kHz]', "counter_slider", float) self.top_grid_layout.addWidget(self._khz_offset_win, 7, 8, 1, 4) self.vtgs_mult_descrambler_0 = vtgs.mult_descrambler(17, 0x3FFFF) self.vtgs_ao40_decoder_0_0 = vtgs.ao40_decoder() self._tuned_center_tool_bar = Qt.QToolBar(self) if None: self._tuned_center_formatter = None else: self._tuned_center_formatter = lambda x: x self._tuned_center_tool_bar.addWidget( Qt.QLabel(' Tuned Center [MHz]' + ": ")) self._tuned_center_label = Qt.QLabel( str(self._tuned_center_formatter(self.tuned_center))) self._tuned_center_tool_bar.addWidget(self._tuned_center_label) self.top_grid_layout.addWidget(self._tuned_center_tool_bar, 1, 8, 1, 2) self._rx_gain_range = Range(0, 86, 1, 10, 200) self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain, 'RX Gain', "counter_slider", float) self.top_grid_layout.addWidget(self._rx_gain_win, 6, 8, 1, 4) self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c( 4096, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #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 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 = ['pre-d', 'post', '', '', '', '', '', '', '', ''] colors = [0, 1, 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(-130, -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, 8, 0, 8, 8) self.qtgui_number_sink_1 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_HORIZ, 1) self.qtgui_number_sink_1.set_update_time(0.10) self.qtgui_number_sink_1.set_title("") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_1.set_min(i, -1) self.qtgui_number_sink_1.set_max(i, 1) self.qtgui_number_sink_1.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_1.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_1.set_label(i, labels[i]) self.qtgui_number_sink_1.set_unit(i, units[i]) self.qtgui_number_sink_1.set_factor(i, factor[i]) self.qtgui_number_sink_1.enable_autoscale(False) self._qtgui_number_sink_1_win = sip.wrapinstance( self.qtgui_number_sink_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_number_sink_1_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024 * 4, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 2 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.0010) self.qtgui_freq_sink_x_0.set_y_axis(-120, -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(0.2) 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 = ['pre-d', 'post', '', '', '', '', '', '', '', ''] 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.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, 8, 8) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-1, 1) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(True) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 8, 8, 8, 4) self.mapper_demapper_soft_0 = mapper.demapper_soft( mapper.BPSK, ([0, 1])) self.low_pass_filter_0_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, samp_rate, (baud * (1 + alpha)) / 2, 1000, firdes.WIN_HAMMING, 6.76)) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 1, (lpf_taps), khz_offset * 1000, samp_rate) self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf( samps_per_symb, math.pi * 2 / 100, (rrc_filter_taps), 32, 16, 1.5, 1) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( math.pi * 2 / 100, 2, False) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( math.pi * 2 / 100, 2, False) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self._center_freq_lbl_tool_bar = Qt.QToolBar(self) if None: self._center_freq_lbl_formatter = None else: self._center_freq_lbl_formatter = lambda x: x self._center_freq_lbl_tool_bar.addWidget( Qt.QLabel('Center Frequency [MHz]' + ": ")) self._center_freq_lbl_label = Qt.QLabel( str(self._center_freq_lbl_formatter(self.center_freq_lbl))) self._center_freq_lbl_tool_bar.addWidget(self._center_freq_lbl_label) self.top_grid_layout.addWidget(self._center_freq_lbl_tool_bar, 0, 8, 1, 2) self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", ip, port, 1024, False) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((mult, )) self.blocks_add_xx_0 = blocks.add_vcc(1) self.blks2_tcp_source_0 = grc_blks2.tcp_source( itemsize=gr.sizeof_gr_complex * 1, addr='127.0.0.1', port=5000, server=True, ) self.analog_noise_source_x_0 = analog.noise_source_c( analog.GR_GAUSSIAN, noise, 0) self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0_0.set_max_gain(65536) ################################################## # Connections ################################################## self.msg_connect((self.vtgs_ao40_decoder_0_0, 'valid_frames'), (self.blocks_socket_pdu_0, 'pdus')) self.connect((self.analog_agc2_xx_0_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blks2_tcp_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.analog_agc2_xx_0_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_waterfall_sink_x_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_number_sink_1, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.mapper_demapper_soft_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 1), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.vtgs_mult_descrambler_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.qtgui_freq_sink_x_0, 1)) self.connect((self.mapper_demapper_soft_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.vtgs_mult_descrambler_0, 0), (self.vtgs_ao40_decoder_0_0, 0))
def __init__( self, parent, title='', sample_rate=1, size=const_window.DEFAULT_WIN_SIZE, frame_rate=const_window.DEFAULT_FRAME_RATE, const_size=const_window.DEFAULT_CONST_SIZE, #mpsk recv params M=4, theta=0, loop_bw=6.28/100.0, fmax=0.06, mu=0.5, gain_mu=0.005, symbol_rate=1, omega_limit=0.005, ): #init gr.hier_block2.__init__( self, "const_sink", gr.io_signature(1, 1, gr.sizeof_gr_complex), gr.io_signature(0, 0, 0), ) #blocks sd = blks2.stream_to_vector_decimator( item_size=gr.sizeof_gr_complex, sample_rate=sample_rate, vec_rate=frame_rate, vec_len=const_size, ) fmin = -fmax gain_omega = .25*gain_mu**2 #redundant, will be updated omega = 1 #set_sample_rate will update this # Costas frequency/phase recovery loop # Critically damped 2nd order PLL self._costas = digital.costas_loop_cc(loop_bw, M) # Timing recovery loop # Critically damped 2nd order DLL self._retime = digital.clock_recovery_mm_cc(omega, gain_omega, mu, gain_mu, omega_limit) #sync = gr.mpsk_receiver_cc( # M, #psk order # theta, # alpha, # beta, # fmin, # fmax, # mu, # gain_mu, # omega, # gain_omega, # omega_limit, #) agc = gr.feedforward_agc_cc(16, 1) msgq = gr.msg_queue(2) sink = gr.message_sink(gr.sizeof_gr_complex*const_size, msgq, True) #controller def setter(p, k, x): p[k] = x self.controller = pubsub() self.controller.subscribe(LOOP_BW_KEY, self._costas.set_loop_bandwidth) self.controller.publish(LOOP_BW_KEY, self._costas.get_loop_bandwidth) self.controller.subscribe(GAIN_MU_KEY, self._retime.set_gain_mu) self.controller.publish(GAIN_MU_KEY, self._retime.gain_mu) self.controller.subscribe(OMEGA_KEY, self._retime.set_omega) self.controller.publish(OMEGA_KEY, self._retime.omega) self.controller.subscribe(GAIN_OMEGA_KEY, self._retime.set_gain_omega) self.controller.publish(GAIN_OMEGA_KEY, self._retime.gain_omega) self.controller.subscribe(SAMPLE_RATE_KEY, sd.set_sample_rate) self.controller.subscribe(SAMPLE_RATE_KEY, lambda x: setter(self.controller, OMEGA_KEY, float(x)/symbol_rate)) self.controller.publish(SAMPLE_RATE_KEY, sd.sample_rate) #initial update self.controller[SAMPLE_RATE_KEY] = sample_rate #start input watcher common.input_watcher(msgq, self.controller, MSG_KEY) #create window self.win = const_window.const_window( parent=parent, controller=self.controller, size=size, title=title, msg_key=MSG_KEY, loop_bw_key=LOOP_BW_KEY, gain_mu_key=GAIN_MU_KEY, gain_omega_key=GAIN_OMEGA_KEY, omega_key=OMEGA_KEY, sample_rate_key=SAMPLE_RATE_KEY, ) common.register_access_methods(self, self.win) #connect self.wxgui_connect(self, self._costas, self._retime, agc, sd, sink)
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.variable_cc_encoder_def_0 = variable_cc_encoder_def_0 = map( (lambda a: fec.cc_encoder_make(4096, 7, 2, ([79, 109]), 0, fec. CC_STREAMING, False)), range(0, 1)) self.variable_cc_decoder_def_0 = variable_cc_decoder_def_0 = map( (lambda a: fec.cc_decoder.make(4096, 7, 2, ([79, 109]), 0, -1, fec. CC_STREAMING, False)), range(0, 1)) self.samp_rate = samp_rate = 500000 self.code1 = code1 = '010110011011101100010101011111101001001110001011010001101010001' ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) 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(-1, 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) if not True: 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(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_layout.addWidget(self._qtgui_time_sink_x_0_win) self.limesdr_source_0 = limesdr.source('1D424A48F1332A', 0, '') self.limesdr_source_0.set_sample_rate(samp_rate) self.limesdr_source_0.set_center_freq(1.43e9, 0) self.limesdr_source_0.set_bandwidth(5e6, 0) self.limesdr_source_0.set_digital_filter(500e3, 0) self.limesdr_source_0.set_gain(20, 0) self.limesdr_source_0.set_antenna(255, 0) self.digital_gmsk_demod_0 = digital.gmsk_demod( samples_per_symbol=2, gain_mu=0.175, mu=0.5, omega_relative_limit=0.005, freq_error=0.0, verbose=False, log=False, ) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(5e-3, 2, False) self.blocks_file_sink_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/beam/Desktop/SHADE/GnuRadio/out.txt', False) self.blocks_file_sink_0.set_unbuffered(True) self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b( grc_blks2.packet_decoder( access_code=code1, threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0. recv_pkt(ok, payload), ), ) ################################################## # Connections ################################################## self.connect((self.blks2_packet_decoder_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_gmsk_demod_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.digital_gmsk_demod_0, 0), (self.blks2_packet_decoder_0, 0)) self.connect((self.limesdr_source_0, 0), (self.digital_costas_loop_cc_0, 0))
def __init__(self, options): gr.hier_block2.__init__(self, "bpsk_demodulator", gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature gr.io_signature(0, 0, 0)) # Output signature grc_wxgui.top_block_gui.__init__(self, title="Top Block") self._samples_per_symbol = options.samples_per_symbol # Number of bits per symbol self._bits_per_symbol = 1 # Create AGC to scale input to unity self._agc = gr.agc_cc(1e-5, 1.0, 1.0, 1.0) # Create RRC with specified excess bandwidth taps = gr.firdes.root_raised_cosine(1.0, # Gain self._samples_per_symbol, # Sampling rate 1.0, # Symbol rate 0.35, # Roll-off factor 11*self._samples_per_symbol) # Number of taps self._rrc = gr.fir_filter_ccf(1, taps) # Create a Costas loop frequency/phase recovery block self._costas = digital.costas_loop_cc(6.28/100.0, 2) self.gr_null_sink_f1 = gr.null_sink(gr.sizeof_float*1) # Create a M&M bit synchronization retiming block self._mm = digital.clock_recovery_mm_cc(self._samples_per_symbol, # Initial samples/symbol 1e-06, # Second order gain 0.5, # Initial symbol phase 0.001, # First order gain 0.0001) # Maximum timing offset # Add an SNR probe on the demodulated constellation #self._snr_probe = gr.probe_mpsk_snr_c(10.0/symbol_rate) self._symbol_rate = options.data_rate / self._bits_per_symbol #self._snr_probe = digital.mpsk_snr_est_cc(0, 10000, 0.001) # 0 at the first mean Simple self._snr_probe = digital.probe_mpsk_snr_est_c(digital.SNR_EST_M2M4, alpha=10.0/self._symbol_rate) #self._snr_probe = digital.mpsk_snr_est_cc(digital.SNR_EST_SIMPLE, alpha=10.0/self._symbol_rate) # Slice the resulting constellation into bits. # Get inphase channel and make decision about 0 self._c2r = gr.complex_to_real() self._slicer = digital.binary_slicer_fb() # Descramble BERT sequence. A channel error will create 3 incorrect bits self._descrambler = gr.descrambler_bb(0x8A, 0x7F, 31) # CCSDS 7-bit descrambler # Measure BER by the density of 0s in the stream # self._ber = gr.probe_density_b(1.0/symbol_rate) self._ber = grc_blks2.error_rate(type='BER', win_size=1000, bits_per_symbol=1) #self.create_number_sink(self._samples_per_symbol) self.gr_null_sink_f2 = gr.null_sink(gr.sizeof_float*1) #Create a vector source reference to calculate BER self._vector_source_ref = gr.vector_source_b(([1,]), True, 1) #create a comparator self.comparator = howto.compare_vector_cci((1, 1, 1, 1 ,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1), (0,0, 1, 1, 0,0), 5, 0, True) #Connection of blocks #"""""""""""""""""""""""""""""""""-->_snr_probe-->gr_null_sink_cc # agc --> _rrc --> costas --> _mm --> _c2r --> _slicer --> _descrambler --> _ber --> gr_null_sink_f2 #"""""""""""""""""""""""""--> gr_null_sink_f1 "" _vector_source_ref--> # # self.connect(self, self._agc, self._rrc, self._costas, self._mm, # self._c2r, self._slicer, self._descrambler, self.comparator, (self._ber, 1)) # self.connect(self, self._agc, self._rrc, self._costas, self._mm, self._c2r, self._slicer, self._descrambler, (self._ber, 1)) self.connect((self._costas, 1), (self.gr_null_sink_f1, 0)) self.connect(self._mm, self._snr_probe) self.connect(self._vector_source_ref, (self._ber,0)) self.connect(self._ber, self.gr_null_sink_f2)
def __init__(self): gr.top_block.__init__(self, "Byte Construction") Qt.QWidget.__init__(self) self.setWindowTitle("Byte Construction") 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", "byte_construction") 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.sps = sps = 4 self.nfilts = nfilts = 32 self.timing_loop_bw = timing_loop_bw = 6.28 / 100.0 self.time_offset = time_offset = 1.00 self.taps = taps = [1.0, 0.25 - 0.25j, 0.50 + 0.10j, -0.3 + 0.2j] self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts) self.qpsk = qpsk = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.phase_bw = phase_bw = 6.28 / 100.0 self.noise_volt = noise_volt = 0.0001 self.freq_offset = freq_offset = 0 self.excess_bw = excess_bw = 0.35 self.eq_gain = eq_gain = 0.01 self.delay = delay = 58 self.arity = arity = 4 ################################################## # Blocks ################################################## self.controls = Qt.QTabWidget() self.controls_widget_0 = Qt.QWidget() self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0) self.controls_grid_layout_0 = Qt.QGridLayout() self.controls_layout_0.addLayout(self.controls_grid_layout_0) self.controls.addTab(self.controls_widget_0, 'Channel') self.controls_widget_1 = Qt.QWidget() self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1) self.controls_grid_layout_1 = Qt.QGridLayout() self.controls_layout_1.addLayout(self.controls_grid_layout_1) self.controls.addTab(self.controls_widget_1, 'Receiver') self.top_grid_layout.addWidget(self.controls, 0, 0, 1, 2) [self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 2)] self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28 / 100.0, 200) self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time: BW', "slider", float) self.controls_grid_layout_1.addWidget(self._timing_loop_bw_win, 0, 0, 1, 1) [self.controls_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)] [ self.controls_grid_layout_1.setColumnStretch(c, 1) for c in range(0, 1) ] self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.00, 200) self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float) self.controls_grid_layout_0.addWidget(self._time_offset_win, 0, 2, 1, 1) [self.controls_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)] [ self.controls_grid_layout_0.setColumnStretch(c, 1) for c in range(2, 3) ] self.received = Qt.QTabWidget() self.received_widget_0 = Qt.QWidget() self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_0) self.received_grid_layout_0 = Qt.QGridLayout() self.received_layout_0.addLayout(self.received_grid_layout_0) self.received.addTab(self.received_widget_0, 'Constellation') self.received_widget_1 = Qt.QWidget() self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_1) self.received_grid_layout_1 = Qt.QGridLayout() self.received_layout_1.addLayout(self.received_grid_layout_1) self.received.addTab(self.received_widget_1, 'Symbols') self.top_grid_layout.addWidget(self.received, 2, 0, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(2, 3)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 1)] self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.28 / 100.0, 200) self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase: Bandwidth', "slider", float) self.controls_grid_layout_1.addWidget(self._phase_bw_win, 0, 2, 1, 1) [self.controls_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)] [ self.controls_grid_layout_1.setColumnStretch(c, 1) for c in range(2, 3) ] self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200) self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float) self.controls_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1) [self.controls_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)] [ self.controls_grid_layout_0.setColumnStretch(c, 1) for c in range(0, 1) ] self._freq_offset_range = Range(-0.1, 0.1, 0.001, 0, 200) self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float) self.controls_grid_layout_0.addWidget(self._freq_offset_win, 0, 1, 1, 1) [self.controls_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)] [ self.controls_grid_layout_0.setColumnStretch(c, 1) for c in range(1, 2) ] self._eq_gain_range = Range(0.0, 0.1, 0.001, 0.01, 200) self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer: rate', "slider", float) self.controls_grid_layout_1.addWidget(self._eq_gain_win, 0, 1, 1, 1) [self.controls_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)] [ self.controls_grid_layout_1.setColumnStretch(c, 1) for c in range(1, 2) ] self._delay_range = Range(0, 200, 1, 58, 200) self._delay_win = RangeWidget(self._delay_range, self.set_delay, 'Delay', "counter_slider", float) self.top_grid_layout.addWidget(self._delay_win, 1, 0, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(1, 2)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 1)] self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "Input mins Output stream", #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(-1, 1) 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(False) 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) self.qtgui_time_sink_x_1.enable_stem_plot(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(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_1.set_line_label( i, "Data {0}".format(i)) 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.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 500, #size samp_rate, #samp_rate '', #name 2 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 2) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0_0.disable_legend() labels = ['Rx Bits', 'Tx Bits', '', '', '', '', '', '', '', ''] 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: self.qtgui_time_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 2, 1, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(2, 3)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(1, 2)] self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 500, #size samp_rate, #samp_rate '', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 4) 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_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 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 True: self.qtgui_time_sink_x_0.disable_legend() labels = ['Symbols', '', '', '', '', '', '', '', '', ''] 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.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win, 0, 0, 1, 1) [self.received_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)] [ self.received_grid_layout_1.setColumnStretch(c, 1) for c in range(0, 1) ] self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0, 0, 1, 1) [self.received_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)] [ self.received_grid_layout_0.setColumnStretch(c, 1) for c in range(0, 1) ] self.myblocks_qpsk_demod_v2_0 = myblocks.qpsk_demod_v2(0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, timing_loop_bw, (rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_map_bb_0 = digital.map_bb(([0, 3, 2, 1])) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( phase_bw, arity, False) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk, differential=True, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=False, log=False, ) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 15, 1, eq_gain, 2) self.channels_channel_model_0 = channels.channel_model( noise_voltage=noise_volt, frequency_offset=freq_offset, epsilon=time_offset, taps=(taps), noise_seed=0, block_tags=False) self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 2, 8, "", False, gr.GR_LSB_FIRST) self.blocks_delay_0 = blocks.delay(gr.sizeof_float * 1, int(delay)) self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0 = blocks.char_to_float(1, 1) self.analog_random_source_x_0 = blocks.vector_source_b( map(int, numpy.random.randint(0, 256, 1000)), True) ################################################## # Connections ################################################## self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0)) self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.myblocks_qpsk_demod_v2_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.myblocks_qpsk_demod_v2_0, 0), (self.blocks_char_to_float_0, 0)) self.connect((self.myblocks_qpsk_demod_v2_0, 0), (self.digital_map_bb_0, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") 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") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.ntaps = ntaps = 11 * nfilts * sps self.excess_bw = excess_bw = 0.4 self.tx_taps = tx_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.1, excess_bw, ntaps) self.timing_bw = timing_bw = 2 * pi / 100 self.samp_rate = samp_rate = 80000 self.rx_taps = rx_taps = firdes.root_raised_cosine( nfilts, nfilts * sps, 1.1, excess_bw, ntaps) self.gain2 = gain2 = 0 self.gain = gain = 0.22 self.freq_bw = freq_bw = 2 * pi / 100 self.const_points = const_points = 8 ################################################## # Blocks ################################################## self._gain2_layout = Qt.QVBoxLayout() self._gain2_tool_bar = Qt.QToolBar(self) self._gain2_layout.addWidget(self._gain2_tool_bar) self._gain2_tool_bar.addWidget(Qt.QLabel("gain2" + ": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._gain2_counter = qwt_counter_pyslot() self._gain2_counter.setRange(-100e6, 100e6, 100e3) self._gain2_counter.setNumButtons(2) self._gain2_counter.setValue(self.gain2) self._gain2_tool_bar.addWidget(self._gain2_counter) self._gain2_counter.valueChanged.connect(self.set_gain2) self._gain2_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._gain2_slider.setRange(-100e6, 100e6, 100e3) self._gain2_slider.setValue(self.gain2) self._gain2_slider.setMinimumWidth(200) self._gain2_slider.valueChanged.connect(self.set_gain2) self._gain2_layout.addWidget(self._gain2_slider) self.top_layout.addLayout(self._gain2_layout) self._gain_layout = Qt.QVBoxLayout() self._gain_tool_bar = Qt.QToolBar(self) self._gain_layout.addWidget(self._gain_tool_bar) self._gain_tool_bar.addWidget(Qt.QLabel("gain" + ": ")) class qwt_counter_pyslot(Qwt.QwtCounter): def __init__(self, parent=None): Qwt.QwtCounter.__init__(self, parent) @pyqtSlot('double') def setValue(self, value): super(Qwt.QwtCounter, self).setValue(value) self._gain_counter = qwt_counter_pyslot() self._gain_counter.setRange(0, 1, 0.001) self._gain_counter.setNumButtons(2) self._gain_counter.setValue(self.gain) self._gain_tool_bar.addWidget(self._gain_counter) self._gain_counter.valueChanged.connect(self.set_gain) self._gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._gain_slider.setRange(0, 1, 0.001) self._gain_slider.setValue(self.gain) self._gain_slider.setMinimumWidth(200) self._gain_slider.valueChanged.connect(self.set_gain) self._gain_layout.addWidget(self._gain_slider) self.top_layout.addLayout(self._gain_layout) self.rtlsdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " + "") self.rtlsdr_source_0.set_sample_rate(1600e3) self.rtlsdr_source_0.set_center_freq(1.2e9 + gain2, 0) self.rtlsdr_source_0.set_freq_corr(0, 0) self.rtlsdr_source_0.set_dc_offset_mode(0, 0) self.rtlsdr_source_0.set_iq_balance_mode(0, 0) self.rtlsdr_source_0.set_gain_mode(False, 0) self.rtlsdr_source_0.set_gain(50, 0) self.rtlsdr_source_0.set_if_gain(50, 0) self.rtlsdr_source_0.set_bb_gain(50, 0) self.rtlsdr_source_0.set_antenna("", 0) self.rtlsdr_source_0.set_bandwidth(0, 0) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "QT GUI Plot", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_0_win) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, timing_bw, (rx_taps), nfilts, 16, 1.5, 1) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc( 4, 0.4, 55, freq_bw) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(freq_bw, 8) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 10, 1, gain, 1) ################################################## # Connections ################################################## self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.rtlsdr_source_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") 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") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 45 self.nfilts = nfilts = 25 self.samp_rate = samp_rate = 44.1E3 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), 0.35, 45 * nfilts) self.fc_slider = fc_slider = 2200 self.BPSK = BPSK = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 4, 1).base() ################################################## # Blocks ################################################## self._fc_slider_range = Range(0, 18200, 200, 2200, 150) self._fc_slider_win = RangeWidget(self._fc_slider_range, self.set_fc_slider, "fc", "counter_slider", float) self.top_layout.addWidget(self._fc_slider_win) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "Sinal capturado pelo mic", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label("Amplitude", "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0_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_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.5) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(True) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_0_win) self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, samp_rate, 1.1E3, .6E3, firdes.WIN_HAMMING, 6.76)) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, .063, (rrc_taps), nfilts, nfilts / 2, 1.5, 1) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc( 8, .01, 1, BPSK) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(.05, 2, False) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) self.blks2_tcp_sink_0 = grc_blks2.tcp_sink( itemsize=gr.sizeof_char * 1, addr="127.0.0.1", port=1234, server=False, ) self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b( grc_blks2.packet_decoder( access_code="", threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0. recv_pkt(ok, payload), ), ) self.audio_source_0 = audio.source(44100, "", True) self.analog_sig_source_x_0_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, fc_slider, 1, 0) self.analog_feedforward_agc_cc_0 = analog.feedforward_agc_cc(1024, 1) ################################################## # Connections ################################################## self.connect((self.analog_feedforward_agc_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.audio_source_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.audio_source_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blks2_packet_decoder_0, 0), (self.blks2_tcp_sink_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0_0, 0)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blks2_packet_decoder_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_feedforward_agc_cc_0, 0))
def __init__(self, channel_noise, img_path): gr.top_block.__init__(self, "Top Block") ################################################## # Variables ################################################## self.taps = taps = [1] self.size_packed_file = size_packed_file = os.path.getsize( "/home/rcampello/Main/FixedPath/OOT Gnuradio/Material/GnuRadio/Scripts/BPSK/{}" .format(str(img_path))) self.samp_rate = samp_rate = 32000 * 20 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( 32, 32, 1.0 / float(2), 0.35, 11 * 2 * 32) self.noise = noise = channel_noise self.eq_gain = eq_gain = 0 self.delay2 = delay2 = int(8) self.delay = delay = int(2) self.BPSK = BPSK = digital.constellation_bpsk().base() ################################################## # Blocks ################################################## self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( 4, 62.8e-3, (rrc_taps), 32, 16, 1.5, 2) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( 62.8e-3, 2, False) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=BPSK, differential=False, samples_per_symbol=4, pre_diff_code=True, excess_bw=0.35, verbose=False, log=False, ) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( BPSK) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 15, 1, eq_gain, 2) self.channels_channel_model_0 = channels.channel_model( noise_voltage=noise, frequency_offset=0.0, epsilon=1.0, taps=(taps), noise_seed=0, block_tags=False) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate, True) self.blocks_skiphead_0_0 = blocks.skiphead(gr.sizeof_char * 1, int(size_packed_file * 0.1)) self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char * 1) self.blocks_head_0_0 = blocks.head(gr.sizeof_char * 1, int(size_packed_file * 2)) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/Material/GnuRadio/Scripts/BPSK/{}' .format(str(img_path)), True) self.sink = blocks.vector_sink_b() ################################################## # Connections ################################################## self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_head_0_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.sink, 0)) self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_null_sink_0, 0)) self.connect((self.blocks_skiphead_0_0, 0), (self.blocks_head_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_skiphead_0_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_pack_k_bits_bb_1, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
def __init__(self, options): grc_wxgui.top_block_gui.__init__(self, title="DSSDR") self.initialized = False self.stopped = False self.options = copy.copy(options) self._constellation = digital.constellation_bpsk() self._excess_bw = options.excess_bw self._phase_bw = options.phase_bw self._freq_bw = options.freq_bw self._timing_bw = options.timing_bw self._if_freq = options.if_freq self._timing_max_dev= 1.5 self._demod_class = digital.bpsk_demod # the demodulator_class we're using self._chbw_factor = options.chbw_factor # channel filter bandwidth factor self._samples_per_second = 2e6 self._nav_samples_per_second = 16e6 self._down_decim = 1 self._down_samples_per_second = self._scope_sample_rate = self._samples_per_second/self._down_decim self._up_samples_per_second = 1e6 self._asm_threshold = 0 self._access_code = None self._tm_packet_id = 4 self._timestamp_id = 5 self._down_bitrate = options.bitrate self._up_bitrate = options.up_bitrate self._up_samples_per_symbol = self._up_samples_per_second/self._up_bitrate self._samples_per_symbol = self._samples_per_second/self._down_decim/self._down_bitrate self._down_sub_freq = options.down_sub_freq self._up_sub_freq = 25e3 self._tm_len = 8920 self._up_tm_len = 8920 self._coding_method = options.coding_method self._up_coding_method = 'None' self._up_subcarrier = 'Square' self._rs_i = 1 self._ccsds_channel = 38 self._uhd_carrier_offset = 10e3 self._turn_div = 749 self._turn_mult = 880 self._modulation_index = 'pi/3' self._up_modulation_index = 1.047 self._max_carrier_offset = 0.1 self._dssdr_mixer_freq = options.rf_freq self._up_coding_rate = '1' self._down_coding_rate = '1' self._down_conv_en = "False" self._down_randomizer_en = options.down_randomizer_en self._down_manchester_en = options.down_manchester_en self._up_conv_en = "False" self._up_idle_sequence = "\\x55" self._down_default_gain = 64 self._up_default_gain = 44 self._up_en = True if self._access_code is None: self._access_code = packet_utils.default_access_code #Construct the lookup table for parameter-setting functions self.param_setters = { "DSSDR_CHANNEL": self.setChannel, "DSSDR_LO_FREQ": self.setLOFreq, "DSSDR_REF_FREQ": self.setRefFreq, "DSSDR_TURN_MULT": self.setTurnMult, "DSSDR_TURN_DIV": self.setTurnDiv, "DSSDR_UP_GAIN": self.setUpGain, "DSSDR_DOWN_GAIN": self.setDownGain, "DSSDR_UP_BITRATE": self.setUpBitrate, "DSSDR_DOWN_BITRATE": self.setDownBitrate, "DSSDR_DOWN_SAMPLE_RATE": self.setSampRate, "DSSDR_UP_SUB_FREQ": self.setUpSubFreq, "DSSDR_DOWN_SUB_FREQ": self.setDownSubFreq, "DSSDR_DOPPLER_REPORT": self.dopplerReport, "DSSDR_PN_RANGE": self.rangePN, "DSSDR_SEQUENTIAL_RANGE": self.rangeSequential, "DSSDR_DOWN_CODING_METHOD": self.setDownCodingMethod, "DSSDR_UP_CODING_METHOD": self.setUpCodingMethod, "DSSDR_DOWN_TM_LEN": self.setTMLen, "DSSDR_UP_TM_LEN": self.setUpTMLen, "DSSDR_DOWN_MOD_IDX": self.setDownModulationIndex, "DSSDR_UP_MOD_IDX": self.setUpModulationIndex, "DSSDR_DOWN_CONV_EN": self.setDownConvEn, "DSSDR_UP_CONV_EN": self.setUpConvEn, "DSSDR_ASM_TOL": self.setASMThreshold, "DSSDR_UP_SWEEP": self.freqSweep, "DSSDR_UP_IDLE": self.setUpIdleSequence, "DSSDR_UP_EN": self.setUpEn, "DSSDR_SYNC_TIME": self.syncSDRTime, "DSSDR_UP_SWEEP": self.freqSweep, "DSSDR_DOWN_ACQUIRE": self.acquireCarrier, "DSSDR_INPUT_SELECT": self.setPanelSelect, "DSSDR_REF_SELECT": self.setRefSelect, "DSSDR_PPS_SELECT": self.setPPSSelect } #TODO:Add status fields for things like DSSDR_REF_LOCK self._dssdr_channels = { 3: [7149597994, 8400061729], 4: [7150753857, 8401419752], 5: [7151909723, 8402777779], 6: [7153065586, 8404135802], 7: [7154221449, 8405493825], 8: [7155377316, 8406851853], 9: [7156533179, 8408209877], 10: [7157689045, 8409567903], 11: [7158844908, 8410925927], 12: [7160000771, 8412283950], 13: [7161156637, 8413641977], 14: [7162312500, 8415000000], 15: [7163468363, 8416358023], 16: [7164624229, 8417716050], 17: [7165780092, 8419074073], 18: [7166935955, 8420432097], 19: [7168091821, 8421790123], 20: [7169247684, 8423148147], 21: [7170403551, 8424506175], 22: [7171559414, 8425864198], 23: [7172715277, 8427222221], 24: [7173871143, 8428580248], 25: [7175027006, 8429938271], 26: [7176182869, 8431296295], 27: [7177338735, 8432654321], 28: [7178494598, 8434012345], 29: [7179650464, 8435370372], 30: [7180806327, 8436728395], 31: [7181962190, 8438086418], 32: [7183118057, 8439444446], 33: [7184273920, 8440802469], 34: [7185429783, 8442160493], 35: [7186585649, 8443518520], 36: [7187741512, 8444876543], 37: [7188897378, 8446234570], 38: [7190000000, 8450000000], } #FLOWGRAPH STUFF if options.test == True: self.u = blks2.tcp_source( itemsize=gr.sizeof_gr_complex*1, addr="", port=12905, server=True ) elif options.fromfile == True: self.u2 = blocks.file_meta_source("iq_in.dat") self.u = blocks.throttle(gr.sizeof_gr_complex*1, self._samples_per_second) elif options.frombitlog == True: self.u3 = blocks.file_source(gr.sizeof_char, "bitstream_recording.in", True) self.u2 = blocks.uchar_to_float() self.u1 = blocks.throttle(gr.sizeof_float*1, self._down_bitrate) self.u = blocks.add_const_ff(-0.5) else: self.u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32')) self.u.set_clock_source("external") self.u.set_time_source("external") self.u.set_samp_rate(self._samples_per_second) self.u.set_antenna("RX2") self.u.set_gain(self._down_default_gain) self.frontend = dfi.dssdrFrontendInterface(self.u) if options.debug_pps == True: self.debug_pps = blocks.tag_debug(gr.sizeof_gr_complex, "debug-pps", "rx_time") if options.tofile == True: self.u_tx = blocks.file_meta_sink(gr.sizeof_gr_complex, "iq_out.dat", self._up_samples_per_second) elif options.tonull == True: self.u_tx = blocks.null_sink(gr.sizeof_gr_complex) else: self.u_tx = uhd.usrp_sink(device_addr=options.args, stream_args=uhd.stream_args('fc32')) self.u_tx.set_clock_source("external") self.u_tx.set_time_source("external") self.u_tx.set_samp_rate(self._up_samples_per_second) self.u_tx.set_antenna("TX/RX") self.u_tx.set_gain(self._up_default_gain) #GUI STUFF if options.graphics == True: self.nb0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "RX") self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "TX") self.nb0.AddPage(grc_wxgui.Panel(self.nb0), "Nav") self.Add(self.nb0) self.constellation_scope = scopesink2.scope_sink_c( self.nb0.GetPage(0).GetWin(), title="Scope Plot", sample_rate=self._scope_sample_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.nb0.GetPage(0).Add(self.constellation_scope.win) #self.constellation_scope.win.set_marker('plus') self._scope_is_fft = False self.time_scope = scopesink2.scope_sink_f( self.nb0.GetPage(0).GetWin(), title="Scope Plot", sample_rate=self._scope_sample_rate, v_scale=0, v_offset=0, t_scale=.005, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.nb0.GetPage(0).Add(self.time_scope.win) self.nb0.GetPage(0).GetWin()._box.Hide(self.time_scope.win) self.fft_scope = fftsink2.fft_sink_c( self.nb0.GetPage(0).GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=self._scope_sample_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="FFT Plot", peak_hold=False, ) self.nb0.GetPage(0).Add(self.fft_scope.win) self.nb0.GetPage(0).GetWin()._box.Hide(self.fft_scope.win) self.row1_sizer = wx.BoxSizer(wx.HORIZONTAL) self.recording_onoff_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value='Off', callback=self.setRecording, label="IQ Recording", choices=['Off','On'], labels=[], style=wx.RA_HORIZONTAL, ) self.front_panel_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value='RF', callback=self.setPanelSelect, label="Input Select", choices=['RF','IF'], labels=[], style=wx.RA_HORIZONTAL, ) self.ref_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value='Internal', callback=self.setRefSelect, label="Ref Select", choices=['Internal','External'], labels=[], style=wx.RA_HORIZONTAL, ) self.pps_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value='Internal', callback=self.setPPSSelect, label="PPS Select", choices=['Internal','External'], labels=[], style=wx.RA_HORIZONTAL, ) self.sync_button = forms.button( parent=self.nb0.GetPage(0).GetWin(), value='Sync to PPS', callback=self.syncSDRTime, choices=['Sync to PPS'], style=wx.RA_HORIZONTAL, ) self.ref_locked_text = forms.static_text( parent=self.nb0.GetPage(0).GetWin(), value="", callback=self.setRefLocked, label="", converter=forms.str_converter(), ) self.row1_sizer.Add(self.recording_onoff_chooser, flag=wx.ALIGN_CENTER) self.row1_sizer.Add(self.front_panel_chooser, flag=wx.ALIGN_CENTER) self.row1_sizer.Add(self.ref_chooser, flag=wx.ALIGN_CENTER) self.row1_sizer.Add(self.pps_chooser, flag=wx.ALIGN_CENTER) self.row1_sizer.Add(self.sync_button, flag=wx.ALIGN_CENTER) self.row1_sizer.Add(self.ref_locked_text, flag=wx.ALIGN_CENTER) self.nb0.GetPage(0).Add(self.row1_sizer) self.complex_scope_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value='Constellation', callback=self.setComplexScopeStyle, label="Complex Scope", choices=['Constellation','FFT'], labels=[], style=wx.RA_HORIZONTAL, ) self.nb0.GetPage(0).Add(self.complex_scope_chooser) self.scope_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value='USRP', callback=self.setScopePoint, label="Scope Probe Point", choices=['USRP','Carrier Tracking','Sub-Carrier Costas','Sub-Carrier Sync','Data Sync'], labels=[], style=wx.RA_HORIZONTAL, ) self.nb0.GetPage(0).Add(self.scope_chooser) self._bitrate_text_box = forms.text_box( parent=self.nb0.GetPage(0).GetWin(), value=self._down_bitrate, callback=self.setDownBitrate, label="Symbol Rate", converter=forms.float_converter(), ) self.nb0.GetPage(0).Add(self._bitrate_text_box) self._samprate_text_box = forms.text_box( parent=self.nb0.GetPage(0).GetWin(), value=self._samples_per_second, callback=self.setSampRate, label="Sampling Rate", converter=forms.float_converter(), ) self.nb0.GetPage(0).Add(self._samprate_text_box) self._subcfreq_text_box = forms.text_box( parent=self.nb0.GetPage(0).GetWin(), value=self._down_sub_freq, callback=self.setDownSubFreq, label="Downlink Subcarrier Frequency", converter=forms.float_converter(), ) self.nb0.GetPage(0).Add(self._subcfreq_text_box) self._mod_index_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value=self._modulation_index, callback=self.setDownModulationIndex, label="Modulation Index", choices=['pi/2', 'pi/3'], labels=[], style=wx.RA_HORIZONTAL, ) self.nb0.GetPage(0).Add(self._mod_index_chooser) self._pktlen_text_box = forms.text_box( parent=self.nb0.GetPage(0).GetWin(), value=self._tm_len, callback=self.setTMLen, label="Downlink Packet Length (bits)", converter=forms.float_converter(), ) self.nb0.GetPage(0).Add(self._pktlen_text_box) self._coding_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value=self._coding_method, callback=self.setDownCodingMethod, label="Coding", choices=['None', 'RS', 'Turbo 1/2', 'Turbo 1/3', 'Turbo 1/4', 'Turbo 1/6'], labels=[], style=wx.RA_HORIZONTAL, ) self.nb0.GetPage(0).Add(self._coding_chooser) self._down_conv_check_box = forms.check_box( parent=self.nb0.GetPage(0).GetWin(), value=self._down_conv_en, callback=self.setDownConvEn, label="Convolutional Decode", true="True", false="False", ) self.nb0.GetPage(0).Add(self._down_conv_check_box) self._down_randomizer_check_box = forms.check_box( parent=self.nb0.GetPage(0).GetWin(), value=self._down_randomizer_en, callback=self.setDownRandomizerEn, label="De-randomizer", true=True, false=False, ) self.nb0.GetPage(0).Add(self._down_randomizer_check_box) self._down_manchester_check_box = forms.check_box( parent=self.nb0.GetPage(0).GetWin(), value=self._down_manchester_en, callback=self.setDownManchesterEn, label="Manchester Decode", true=True, false=False, ) self.nb0.GetPage(0).Add(self._down_manchester_check_box) self._pktlen_text_box = forms.text_box( parent=self.nb0.GetPage(0).GetWin(), value=self._asm_threshold, callback=self.setASMThreshold, label="ASM Error Tolerance (bits)", converter=forms.float_converter(), ) self.nb0.GetPage(0).Add(self._pktlen_text_box) self._coding_chooser = forms.radio_buttons( parent=self.nb0.GetPage(0).GetWin(), value=self._rs_i, callback=self.setRSI, label="Reed-Solomon Interleaving Depth", choices=[1,5], labels=[], style=wx.RA_HORIZONTAL, ) self.nb0.GetPage(0).Add(self._coding_chooser) self._ccsds_chan_text_box = forms.text_box( parent=self.nb0.GetPage(0).GetWin(), value=self._ccsds_channel, callback=self.setChannel, label="CCSDS Channel", converter=forms.int_converter(), ) self.nb0.GetPage(0).Add(self._ccsds_chan_text_box) self.setChannel(self._ccsds_channel) if options.test == True or options.fromfile == True or options.frombitlog == True: glow = 0.0 ghigh = 1.0 cur_g = 0.5 else: g = self.u.get_gain_range() cur_g = self._down_default_gain # some configurations don't have gain control if g.stop() <= g.start(): glow = 0.0 ghigh = 1.0 else: glow = g.start() ghigh = g.stop() self._uhd_gain_slider = wx.BoxSizer(wx.HORIZONTAL) form.slider_field( parent=self.nb0.GetPage(0).GetWin(), sizer=self._uhd_gain_slider, label="USRP RX Gain", weight=3, min=int(glow), max=int(ghigh), value=cur_g, callback=self.setDownGain ) self.nb0.GetPage(0).Add(self._uhd_gain_slider) #TX chain GUI components if options.test == True or options.tofile == True or options.tonull == True: gtxlow = 0.0 gtxhigh = 1.0 cur_gtx = 0.5 else: gtx = self.u_tx.get_gain_range() cur_gtx = self._up_default_gain # some configurations don't have gain control if gtx.stop() <= gtx.start(): gtxlow = 0.0 gtxhigh = 1.0 else: gtxlow = gtx.start() gtxhigh = gtx.stop() self._up_en_chooser = forms.check_box( parent=self.nb0.GetPage(1).GetWin(), value='True', callback=self.setUpEn, label="TX Enable", true='True', false='False', ) self.nb0.GetPage(1).Add(self._up_en_chooser) self._uhd_tx_gain_slider = wx.BoxSizer(wx.HORIZONTAL) form.slider_field( parent=self.nb0.GetPage(1).GetWin(), sizer=self._uhd_tx_gain_slider, label="USRP TX Gain", weight=3, min=int(gtxlow), max=int(gtxhigh), value=cur_gtx, callback=self.setUpGain ) self.nb0.GetPage(1).Add(self._uhd_tx_gain_slider) self._subcfreq_up_text_box = forms.text_box( parent=self.nb0.GetPage(1).GetWin(), value=self._up_sub_freq, callback=self.setUpSubFreq, label="Uplink Subcarrier Frequency", converter=forms.float_converter(), ) self.nb0.GetPage(1).Add(self._subcfreq_up_text_box) self._up_bitrate_text_box = forms.text_box( parent=self.nb0.GetPage(1).GetWin(), value=self._up_bitrate, callback=self.setUpBitrate, label="Uplink Bitrate", converter=forms.float_converter(), ) self.nb0.GetPage(1).Add(self._up_bitrate_text_box) self._up_data_text_box = forms.text_box( parent=self.nb0.GetPage(1).GetWin(), value="1234ABCD", callback=self.txData, label="TX Data", converter=forms.str_converter(), ) self.nb0.GetPage(1).Add(self._up_data_text_box) self._up_mod_index_chooser = forms.text_box( parent=self.nb0.GetPage(1).GetWin(), value=self._up_modulation_index, callback=self.setUpModulationIndex, label="Uplink Modulation Index", converter=forms.float_converter(), ) self.nb0.GetPage(1).Add(self._up_mod_index_chooser) self._up_coding_chooser = forms.radio_buttons( parent=self.nb0.GetPage(1).GetWin(), value=self._up_coding_method, callback=self.setUpCodingMethod, label="Coding", choices=['None', 'RS'], labels=[], style=wx.RA_HORIZONTAL, ) self.nb0.GetPage(1).Add(self._up_coding_chooser) self._subcarrier_chooser = forms.radio_buttons( parent=self.nb0.GetPage(1).GetWin(), value=self._up_subcarrier, callback=self.setUpSubcarrier, label="Subcarrier Type", choices=['Square','Sine'], labels=[], style=wx.RA_HORIZONTAL, ) self.nb0.GetPage(1).Add(self._subcarrier_chooser) self._up_conv_check_box = forms.check_box( parent=self.nb0.GetPage(1).GetWin(), value=self._up_conv_en, callback=self.setUpConvEn, label="Convolutional Encode", true="True", false="False", ) self.nb0.GetPage(1).Add(self._up_conv_check_box) self._up_pktlen_text_box = forms.text_box( parent=self.nb0.GetPage(1).GetWin(), value=self._up_tm_len, callback=self.setUpTMLen, label="Uplink Packet Length (bits)", converter=forms.float_converter(), ) self.nb0.GetPage(1).Add(self._up_pktlen_text_box) self._uhd_offset_text_box = forms.text_box( parent=self.nb0.GetPage(1).GetWin(), value=self._uhd_carrier_offset, callback=self.setUHDCarrierOffset, label="USRP Offset Frequency (Hz)", converter=forms.float_converter(), ) self.nb0.GetPage(1).Add(self._uhd_offset_text_box) self._sweep_gen_text_box = forms.text_box( parent=self.nb0.GetPage(1).GetWin(), value="rf2_1", callback=self.freqSweep, label="Frequency Sweep Profile", converter=forms.str_converter(), ) self.nb0.GetPage(1).Add(self._sweep_gen_text_box) self._idle_sequence_text_box = forms.text_box( parent=self.nb0.GetPage(1).GetWin(), value=self._up_idle_sequence, callback=self.setUpIdleSequence, label="Uplink Idle Sequence", converter=forms.str_converter(), ) self.nb0.GetPage(1).Add(self._idle_sequence_text_box) self._pn_ranging_text_box = forms.text_box( parent=self.nb0.GetPage(2).GetWin(), value="", callback=self.rangePN, label="Queue PN Ranging", converter=forms.str_converter(), ) self.nb0.GetPage(2).Add(self._pn_ranging_text_box) self._sequential_ranging_text_box = forms.text_box( parent=self.nb0.GetPage(2).GetWin(), value="", callback=self.rangeSequential, label="Queue Sequential Ranging", converter=forms.str_converter(), ) self.nb0.GetPage(2).Add(self._sequential_ranging_text_box) self.row2_sizer = wx.BoxSizer(wx.HORIZONTAL) self.freq_acq_button = forms.button( parent=self.nb0.GetPage(2).GetWin(), value='Acquire Carrier Offset', callback=self.acquireCarrier, choices=['Acquire Carrier Offset'], style=wx.RA_HORIZONTAL, ) self.carrier_offset_text = forms.static_text( parent=self.nb0.GetPage(2).GetWin(), value="", label="", converter=forms.str_converter(), ) self.row2_sizer.Add(self.freq_acq_button, flag=wx.ALIGN_CENTER) self.row2_sizer.Add(self.carrier_offset_text, flag=wx.ALIGN_CENTER) self.nb0.GetPage(2).Add(self.row2_sizer) self.file_sink = blocks.file_meta_sink(gr.sizeof_gr_complex, "iq_recording.dat", self._samples_per_second) self.file_sink.close() self.iq_recording_ctr = 0 # Selection logic to switch between recording and normal flowgraph routes # NOTE: u_valve logic is implemented backwards in GNURadio.... #self.u_valve = blks2.valve( # item_size=gr.sizeof_gr_complex, # open=False #) # Temporary code used to verify coherent turnaround self.turnaround_mixer = blocks.multiply_cc() self.turnaround_mixer_source = analog.sig_source_c(self._down_samples_per_second, analog.GR_SIN_WAVE, -25e3, 1.0) self.turnaround_iir = filter.single_pole_iir_filter_cc(0.0001) self.turnaround_null = blocks.null_sink(gr.sizeof_float) # PLL and associated carrier for tracking carrier frequency if residual carrier is used self.carrier_tracking = sdrp.pll_freq_acq_cc(math.pi/2000, math.pi, -math.pi, int(options.acq_samples)) self.imag_to_float = blocks.complex_to_imag() #Suppressed carrier requires costas after subcarrier mixer self.subcarrier_costas = digital.costas_loop_cc(0.001, 2) self.real_to_float = blocks.complex_to_real() #Square wave subcarrier sync self.subcarrier_sync = sdrp.square_sub_tracker_ff(0.001, 2*self._down_sub_freq/self._down_samples_per_second*1.0001, 2*self._down_sub_freq/self._down_samples_per_second*0.9999) #Data sync self.data_sync = sdrp.square_data_tracker_ff(0.001, self._down_bitrate/self._down_samples_per_second*1.001, self._down_bitrate/self._down_samples_per_second*0.999) #Data framing self.soft_correlator = sdrp.correlate_soft_access_tag_ff(conv_packed_binary_string_to_1_0_string('\x1A\xCF\xFC\x1D'), self._asm_threshold, "asm_corr") self.conv_decoder = sdrp.ccsds_tm_conv_decoder("asm_corr") self.de_randomizer = sdrp.ccsds_tm_derandomizer("asm_corr") self.tm_framer = sdrp.ccsds_tm_framer(self._tm_packet_id, self._timestamp_id, "asm_corr", "rx_time", self._down_bitrate) self.tm_framer.setFrameLength(self._tm_len) self._current_scope_block = None self._current_scoped_block = self.u self._current_scoped_block_port = 0 self._recording = 'Off' #TX path in flowgraph self.pkt_gen_msgq = gr.msg_queue(10) self.pkt_gen = sdrp.ccsds_tm_tx(self._tm_packet_id, self._timestamp_id, 1.0, 16, self.pkt_gen_msgq) self.conj = blocks.conjugate_cc() #Sweep generator for transponder lock self.sweep_gen = sdrp.sweep_generator_cc(self._up_samples_per_second) # DSSDR subcarrier mixer (either 25 kHz or 0 kHz depending on baud rate) self.up_subcarrier_mixer = blocks.multiply_ff() self.subcarrier_mixer_source_tx = analog.sig_source_f(self._up_samples_per_second, analog.GR_SQR_WAVE, 25e3, 2.0, -1.0) self.phase_mod_tx = analog.phase_modulator_fc(self._up_modulation_index) self.tx_attenuator = blocks.multiply_const_cc((0.1+0.0j)) #Add in bit recorder if needed if self.options.bitlog: self.bit_slicer = digital.binary_slicer_fb() self.bit_recorder = blocks.file_sink(1, "bitstream_recording.out") self.setDownCodingMethod(self._coding_method) self.setUpCodingMethod("None") self.setUpSubcarrier(self._up_subcarrier) self.setDownBitrate(self._down_bitrate) self.setUpBitrate(self._up_bitrate) self.setDownModulationIndex(self._modulation_index) self.setUpModulationIndex(self._up_modulation_index) self.setDownConvEn(self._down_conv_en) self.setUpConvEn(self._up_conv_en) self.setUpIdleSequence(self._up_idle_sequence) self.setDownRandomizerEn(self._down_randomizer_en) self.setDownManchesterEn(self._down_manchester_en) #Connection to outside world self.socket_pdu = blocks.socket_pdu("TCP_SERVER", "127.0.0.1", "12902", 10000) self.sdrp_interpreter = sdrp.sdrp_packet_interpreter() self.msg_connect(self.tm_framer, "tm_frame_out", self.sdrp_interpreter, "sdrp_pdu_in") self.msg_connect(self.sdrp_interpreter, "socket_pdu_out", self.socket_pdu, "pdus") self.msg_connect(self.socket_pdu, "pdus", self.sdrp_interpreter, "socket_pdu_in") self.msg_connect(self.sdrp_interpreter,"sdrp_pdu_out", self.pkt_gen, "ccsds_tx_msg_in") if options.test == False and options.fromfile == False and options.frombitlog == False: _threading.Thread(target=self.watchRef).start() self.initialized = True print "DS-SDR Initialized"
def __init__(self): gr.top_block.__init__(self, "MPSK Receiver") Qt.QWidget.__init__(self) self.setWindowTitle("MPSK Receiver") 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", "mpsk_rx") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.eb = eb = 0.35 self.usrp_gain = usrp_gain = 40 self.timing_loop_bw = timing_loop_bw = 0.01 self.samp_rate = samp_rate = 1e6 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-1,-1,-1,1,-1,1,1,1,1,-1,-1,1,-1,1,-1,-1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1] self.phase_bw = phase_bw = 0.1 self.n = n = 4 self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts)) self.eq_gain = eq_gain = 0.01 self.arity = arity = 4 ################################################## # Blocks ################################################## self._usrp_gain_layout = Qt.QVBoxLayout() self._usrp_gain_tool_bar = Qt.QToolBar(self) self._usrp_gain_layout.addWidget(self._usrp_gain_tool_bar) self._usrp_gain_tool_bar.addWidget(Qt.QLabel("USRP Gain"+": ")) self._usrp_gain_counter = Qwt.QwtCounter() self._usrp_gain_counter.setRange(0, 100, 1) self._usrp_gain_counter.setNumButtons(2) self._usrp_gain_counter.setValue(self.usrp_gain) self._usrp_gain_tool_bar.addWidget(self._usrp_gain_counter) self._usrp_gain_counter.valueChanged.connect(self.set_usrp_gain) self._usrp_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._usrp_gain_slider.setRange(0, 100, 1) self._usrp_gain_slider.setValue(self.usrp_gain) self._usrp_gain_slider.setMinimumWidth(200) self._usrp_gain_slider.valueChanged.connect(self.set_usrp_gain) self._usrp_gain_layout.addWidget(self._usrp_gain_slider) self.top_layout.addLayout(self._usrp_gain_layout) self._timing_loop_bw_layout = Qt.QVBoxLayout() self._timing_loop_bw_label = Qt.QLabel("Time: BW") self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005) self._timing_loop_bw_slider.setValue(self.timing_loop_bw) self._timing_loop_bw_slider.setMinimumWidth(200) self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw) self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label) self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider) self.top_grid_layout.addLayout(self._timing_loop_bw_layout, 0,0,1,1) self._phase_bw_layout = Qt.QVBoxLayout() self._phase_bw_label = Qt.QLabel("Phase: Bandwidth") self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._phase_bw_slider.setRange(0.0, 1.0, 0.01) self._phase_bw_slider.setValue(self.phase_bw) self._phase_bw_slider.setMinimumWidth(200) self._phase_bw_slider.valueChanged.connect(self.set_phase_bw) self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._phase_bw_layout.addWidget(self._phase_bw_label) self._phase_bw_layout.addWidget(self._phase_bw_slider) self.top_grid_layout.addLayout(self._phase_bw_layout, 0,2,1,1) self._eq_gain_layout = Qt.QVBoxLayout() self._eq_gain_label = Qt.QLabel("Equalizer: rate") self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._eq_gain_slider.setRange(0.0, 0.1, 0.001) self._eq_gain_slider.setValue(self.eq_gain) self._eq_gain_slider.setMinimumWidth(200) self._eq_gain_slider.valueChanged.connect(self.set_eq_gain) self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter) self._eq_gain_layout.addWidget(self._eq_gain_label) self._eq_gain_layout.addWidget(self._eq_gain_slider) self.top_grid_layout.addLayout(self._eq_gain_layout, 0,1,1,1) self.uhd_usrp_source_0 = uhd.usrp_source( device_addr="", stream_args=uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(2.4e9, 0) self.uhd_usrp_source_0.set_gain(usrp_gain, 0) self.qtgui_sink_x_1 = qtgui.sink_c( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "QT GUI Plot", #name True, #plotfreq True, #plotwaterfall True, #plottime True, #plotconst ) self.qtgui_sink_x_1.set_update_time(1.0/10) self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_sink_x_1_win) self.qtgui_sink_x_0 = qtgui.sink_f( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "QT GUI Plot", #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_layout.addWidget(self._qtgui_sink_x_0_win) self.frame_detection_deinterleaver_bb_0 = frame_detection.deinterleaver_bb(n, n) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity) self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2) self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8) self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/ubuntu/rx_message", False) self.blocks_file_sink_0.set_unbuffered(False) self.blocks_char_to_float_0 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0)) self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_sink_x_0, 0)) self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_correlate_and_sync_cc_0, 0)) self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_sink_x_1, 0)) self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.frame_detection_deinterleaver_bb_0, 0)) self.connect((self.frame_detection_deinterleaver_bb_0, 0), (self.blocks_file_sink_0, 0))
def __init__(self, ip='127.0.0.1', iq_file='./rocksat_125kbd_500ksps_date_comment.dat', meta_rate=.1, port='52001', pre_bits=[ 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0 ], record_iq=0, record_rfo=0, record_snr=0, rfo_file='./rocksat_rfo_date_comment.meta', snr_file='./rocksat_snr_date_comment.meta'): gr.top_block.__init__(self, "MGS Rocksat Receiver v1.0") Qt.QWidget.__init__(self) self.setWindowTitle("MGS Rocksat Receiver v1.0") 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", "mgs_rx_hdlc_1") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.ip = ip self.iq_file = iq_file self.meta_rate = meta_rate self.port = port self.pre_bits = pre_bits self.record_iq = record_iq self.record_rfo = record_rfo self.record_snr = record_snr self.rfo_file = rfo_file self.snr_file = snr_file ################################################## # Variables ################################################## self.samp_rate = samp_rate = 500e3 self.baud = baud = 125e3 self.samps_per_symb = samps_per_symb = int(samp_rate / baud) self.rx_offset = rx_offset = 250e3 self.rx_gain = rx_gain = 25 self.rx_freq = rx_freq = 2395e6 self.mult = mult = (samp_rate) / 2 / 3.141593 self.lpf_taps = lpf_taps = firdes.low_pass(1.0, samp_rate, samp_rate / 2, 1000, firdes.WIN_HAMMING, 6.76) self.lo = lo = 1833e6 self.khz_offset = khz_offset = 0 self.alpha = alpha = 0.5 ################################################## # Blocks ################################################## self._rx_gain_range = Range(0, 86, 1, 25, 200) self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain, 'RX Gain', "counter_slider", float) self.top_grid_layout.addWidget(self._rx_gain_win, 0, 8, 1, 4) self._khz_offset_range = Range(-150, 150, 1, 0, 200) self._khz_offset_win = RangeWidget(self._khz_offset_range, self.set_khz_offset, 'Offset [kHz]', "counter_slider", float) self.top_grid_layout.addWidget(self._khz_offset_win, 1, 8, 1, 4) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq( uhd.tune_request(rx_freq, rx_offset), 0) self.uhd_usrp_source_0.set_gain(rx_gain, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c( 4096, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #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 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 = ['pre-d', 'post', '', '', '', '', '', '', '', ''] colors = [0, 1, 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(-130, -60) 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, 8, 8) self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_NONE, 1) self.qtgui_number_sink_0.set_update_time(0.10) self.qtgui_number_sink_0.set_title("") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in xrange(1): self.qtgui_number_sink_0.set_min(i, -1) self.qtgui_number_sink_0.set_max(i, 1) self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_0.set_label(i, labels[i]) self.qtgui_number_sink_0.set_unit(i, units[i]) self.qtgui_number_sink_0.set_factor(i, factor[i]) self.qtgui_number_sink_0.enable_autoscale(False) self._qtgui_number_sink_0_win = sip.wrapinstance( self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_number_sink_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024 * 4, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 2 #number of inputs ) self.qtgui_freq_sink_x_0.set_update_time(0.0010) self.qtgui_freq_sink_x_0.set_y_axis(-120, -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(0.2) 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 = ['pre-d', 'post', '', '', '', '', '', '', '', ''] 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.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, 8, 8) self.pyqt_trim_tail_0 = pyqt.trim_tail(20) self.pyqt_time_plot_1_0_0 = pyqt.time_plot('Soft Bits') self._pyqt_time_plot_1_0_0_win = self.pyqt_time_plot_1_0_0 self.top_grid_layout.addWidget(self._pyqt_time_plot_1_0_0_win, 4, 8, 1, 4) self.pyqt_time_plot_1_0 = pyqt.time_plot('Hard Bits') self._pyqt_time_plot_1_0_win = self.pyqt_time_plot_1_0 self.top_grid_layout.addWidget(self._pyqt_time_plot_1_0_win, 5, 8, 1, 4) self.pyqt_text_output_0 = pyqt.text_output() self._pyqt_text_output_0_win = self.pyqt_text_output_0 self.top_grid_layout.addWidget(self._pyqt_text_output_0_win, 6, 8, 4, 4) self.pyqt_skip_head_0 = pyqt.skip_head(100) self.pyqt_head_0 = pyqt.head(1024) self.pyqt_cpower_plot_0_0 = pyqt.cpower_plot('Burst Post Length-D') self._pyqt_cpower_plot_0_0_win = self.pyqt_cpower_plot_0_0 self.top_grid_layout.addWidget(self._pyqt_cpower_plot_0_0_win, 2, 8, 1, 4) self.pyqt_const_plot_0_0 = pyqt.const_plot(label='Symbols') self._pyqt_const_plot_0_0_win = self.pyqt_const_plot_0_0 self.top_grid_layout.addWidget(self._pyqt_const_plot_0_0_win, 3, 8, 1, 4) self.mapper_demapper_soft_0 = mapper.demapper_soft( mapper.BPSK, ([0, 1])) self.mapper_demapper_msg_0_0 = mapper.demapper_msg( mapper.BPSK, ([0, 1])) self.low_pass_filter_0_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, samp_rate, (baud * (1 + alpha)) / 2, 1000, firdes.WIN_HAMMING, 6.76)) self.kiss_nrzi_decode_0 = kiss.nrzi_decode() self.kiss_hdlc_deframer_0 = kiss.hdlc_deframer(check_fcs=True, max_length=1024) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc( 1, (lpf_taps), khz_offset * 1000, samp_rate) self.es_trigger_edge_f_0 = es.trigger_edge_f(-1, 256 * 16, 100, gr.sizeof_gr_complex, 500) self.es_sink_0 = es.sink(1 * [gr.sizeof_gr_complex], 4, 128, 0, 2, 0) self.es_handler_pdu_0 = es.es_make_handler_pdu( es.es_handler_print.TYPE_C32) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( math.pi * 2 / 100, 2, False) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( math.pi * 2 / 100, 2, False) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc( samps_per_symb * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005) self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() self.burst_slicer_0 = burst.slicer() self.burst_preamble_correlator_0 = burst.preamble_correlator( 4, 0.5, (pre_bits)) self.burst_length_detect_c_0 = burst.length_detect_c() (self.burst_length_detect_c_0).set_min_output_buffer(20800) self.burst_correlator_filter_0 = burst.correlator_filter( 100, 1e-4, -10) self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", ip, port, 1024, False) self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream( blocks.complex_t, 'pl2') self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((10, )) self.blocks_message_debug_0 = blocks.message_debug() self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1) self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0_0.set_max_gain(65536) ################################################## # Connections ################################################## self.msg_connect((self.burst_length_detect_c_0, 'cpdus'), (self.mapper_demapper_msg_0_0, 'cpdus')) self.msg_connect((self.burst_length_detect_c_0, 'cpdus'), (self.pyqt_const_plot_0_0, 'cpdus')) self.msg_connect((self.burst_length_detect_c_0, 'cpdus'), (self.pyqt_cpower_plot_0_0, 'cpdus')) self.msg_connect((self.burst_length_detect_c_0, 'cpdus'), (self.pyqt_trim_tail_0, 'pdus')) self.msg_connect((self.burst_slicer_0, 'pdus'), (self.pyqt_time_plot_1_0, 'pdus')) self.msg_connect((self.es_handler_pdu_0, 'pdus_out'), (self.burst_length_detect_c_0, 'cpdus')) self.msg_connect((self.es_trigger_edge_f_0, 'edge_event'), (self.es_handler_pdu_0, 'handle_event')) self.msg_connect((self.es_trigger_edge_f_0, 'which_stream'), (self.es_sink_0, 'schedule_event')) self.msg_connect((self.kiss_hdlc_deframer_0, 'out'), (self.blocks_message_debug_0, 'print_pdu')) self.msg_connect((self.kiss_hdlc_deframer_0, 'out'), (self.blocks_socket_pdu_0, 'pdus')) self.msg_connect((self.kiss_hdlc_deframer_0, 'out'), (self.pyqt_text_output_0, 'pdus')) self.msg_connect((self.mapper_demapper_msg_0_0, 'fpdus'), (self.burst_slicer_0, 'fpdus')) self.msg_connect((self.mapper_demapper_msg_0_0, 'fpdus'), (self.pyqt_time_plot_1_0_0, 'pdus')) self.msg_connect((self.pyqt_head_0, 'pdus'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus')) self.msg_connect((self.pyqt_skip_head_0, 'pdus'), (self.pyqt_head_0, 'pdus')) self.msg_connect((self.pyqt_trim_tail_0, 'pdus'), (self.pyqt_skip_head_0, 'pdus')) self.connect((self.analog_agc2_xx_0_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_number_sink_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.burst_correlator_filter_0, 0), (self.es_trigger_edge_f_0, 0)) self.connect((self.burst_preamble_correlator_0, 0), (self.burst_correlator_filter_0, 0)) self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.burst_preamble_correlator_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.es_trigger_edge_f_0, 1)) self.connect((self.digital_costas_loop_cc_0, 0), (self.mapper_demapper_soft_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.kiss_nrzi_decode_0, 0)) self.connect((self.es_trigger_edge_f_0, 0), (self.es_sink_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_agc2_xx_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.qtgui_waterfall_sink_x_0, 0)) self.connect((self.kiss_nrzi_decode_0, 0), (self.kiss_hdlc_deframer_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.qtgui_freq_sink_x_0, 1)) self.connect((self.mapper_demapper_soft_0, 0), (self.digital_binary_slicer_fb_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self, puncpat='11'): 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") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0, eb, 5 * sps * nfilts) self.taps_per_filt = taps_per_filt = len(tx_rrc_taps) / nfilts self.samp_rate_array_MCR = samp_rate_array_MCR = [ 3750000, 3000000, 2500000, 2000000, 1500000, 1000000, 937500, 882352, 833333, 714285, 533333, 500000, 421052, 400000, 380952 ] self.rate = rate = 2 self.polys = polys = [109, 79] self.k = k = 7 self.vector = vector = [int(random.random() * 4) for i in range(49600)] self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 39 self.variable_qtgui_range_0 = variable_qtgui_range_0 = 50 self.samp_rate = samp_rate = samp_rate_array_MCR[2] self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts) self.pld_enc = pld_enc = map( (lambda a: fec.cc_encoder_make(440, k, rate, (polys), 0, fec.CC_TERMINATED, True) ), range(0, 8)) self.pld_dec = pld_dec = map((lambda a: fec.cc_decoder.make( 440, k, rate, (polys), 0, -1, fec.CC_TERMINATED, True)), range(0, 4)) self.pld_const = pld_const = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.frequencia_usrp = frequencia_usrp = 484e6 self.filt_delay = filt_delay = 1 + (taps_per_filt - 1) / 2 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 39, 200) self._variable_qtgui_range_0_1_win = RangeWidget( self._variable_qtgui_range_0_1_range, self.set_variable_qtgui_range_0_1, 'Gain_RX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_1_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self._variable_qtgui_range_0_range = Range(0, 90, 1, 50, 200) self._variable_qtgui_range_0_win = RangeWidget( self._variable_qtgui_range_0_range, self.set_variable_qtgui_range_0, 'Gain_TX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_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.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("serial=F5EAC0", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) 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(frequencia_usrp, 0) self.uhd_usrp_source_0.set_gain(variable_qtgui_range_0_1, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.uhd_usrp_source_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0.set_auto_iq_balance(True, 0) self.uhd_usrp_sink_0_0 = uhd.usrp_sink( ",".join(("serial=F5EAE1", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_sink_0_0.set_gain(variable_qtgui_range_0, 0) self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0) self.qtgui_time_sink_x_2_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "After CAC", #name 1 #number of inputs ) self.qtgui_time_sink_x_2_0.set_update_time(0.10) self.qtgui_time_sink_x_2_0.set_y_axis(0, 1.5) self.qtgui_time_sink_x_2_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_2_0.enable_tags(-1, True) self.qtgui_time_sink_x_2_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_2_0.enable_autoscale(False) self.qtgui_time_sink_x_2_0.enable_grid(True) self.qtgui_time_sink_x_2_0.enable_axis_labels(True) self.qtgui_time_sink_x_2_0.enable_control_panel(False) self.qtgui_time_sink_x_2_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_2_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_2_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_2_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_2_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_2_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_2_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_2_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_2_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_2_0_win = sip.wrapinstance( self.qtgui_time_sink_x_2_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_2_0_win, 2, 4, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(4, 5): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_2 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "Defore CAC", #name 1 #number of inputs ) self.qtgui_time_sink_x_2.set_update_time(0.10) self.qtgui_time_sink_x_2.set_y_axis(0, 1.5) self.qtgui_time_sink_x_2.set_y_label('Amplitude', "") self.qtgui_time_sink_x_2.enable_tags(-1, True) self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_2.enable_autoscale(False) self.qtgui_time_sink_x_2.enable_grid(False) self.qtgui_time_sink_x_2.enable_axis_labels(True) self.qtgui_time_sink_x_2.enable_control_panel(False) self.qtgui_time_sink_x_2.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_2.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_2.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_2.set_line_label(i, labels[i]) self.qtgui_time_sink_x_2.set_line_width(i, widths[i]) self.qtgui_time_sink_x_2.set_line_color(i, colors[i]) self.qtgui_time_sink_x_2.set_line_style(i, styles[i]) self.qtgui_time_sink_x_2.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_2_win = sip.wrapinstance( self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_2_win, 2, 3, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "RX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win, 1, 4, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(4, 5): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_1 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "TX USRP", #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(-1, 1) 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(False) 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) self.qtgui_time_sink_x_1.enable_stem_plot(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_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1, 3, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_1 = qtgui.time_sink_f( 100 * 2, #size samp_rate, #samp_rate 'Rx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_1.set_update_time(0.10) self.qtgui_time_sink_x_0_1.set_y_axis(-1, 256) 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, 'packet_length_tag_key') self.qtgui_time_sink_x_0_1.enable_autoscale(True) self.qtgui_time_sink_x_0_1.enable_grid(True) 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 = [ "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_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_grid_layout.addWidget(self._qtgui_time_sink_x_0_1_win, 2, 5, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(5, 6): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 100 * 2, #size samp_rate, #samp_rate 'Tx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 256) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, 'packet_length_tag_key') self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(True) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0_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_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 1, 1, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_1 = qtgui.const_sink_c( 1024, #size "RX Const", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_1.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_trigger_mode( qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_1.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_1.enable_grid(False) self.qtgui_const_sink_x_0_0_0_1.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_1_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_1_win, 2, 1, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_0 = qtgui.const_sink_c( 1024, #size "TX Const", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_0.set_trigger_mode( qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_0_win, 1, 2, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c( 1024, #size "RX Treated", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_win, 2, 2, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf( sps, taps=(tx_rrc_taps), flt_size=nfilts) self.pfb_arb_resampler_xxx_0.declare_sample_delay(filt_delay) self.fec_extended_encoder_0 = fec.extended_encoder( encoder_obj_list=pld_enc, threading='capillary', puncpat=puncpat) self.fec_extended_decoder_0_0_1_0_1_0 = fec.extended_decoder( decoder_obj_list=pld_dec, threading='capillary', ann=None, puncpat=puncpat, integration_period=10000) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 6.28 / 400.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 1) self.digital_map_bb_1_0 = digital.map_bb((pld_const.pre_diff_code())) self.digital_map_bb_0_0_0_0_0 = digital.map_bb(([-1, 1])) self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(4) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( 6.28 / 200.0, pld_const.arity(), False) self.digital_correlate_access_code_xx_ts_0_0 = digital.correlate_access_code_bb_ts( digital.packet_utils.default_access_code, 1, 'packet_len') self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( pld_const) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (pld_const.points()), 1) self.blocks_vector_source_x_0_0_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_vector_source_x_0 = blocks.vector_source_b([0], True, 1, []) self.blocks_vector_insert_x_0 = blocks.vector_insert_b((vector), 496000000, 0) self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, 992, "packet_len") self.blocks_stream_mux_0_1_0 = blocks.stream_mux( gr.sizeof_char * 1, (96, 896)) self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_char * 1, (892, 4)) self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char * 1, (440, 2)) self.blocks_repack_bits_bb_1_0_0_1 = blocks.repack_bits_bb( 8, 1, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_1_0_0_0 = blocks.repack_bits_bb( 1, 2, "packet_len", False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 2, 1, '', False, gr.GR_MSB_FIRST) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.7, )) self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n( gr.sizeof_char, 440, 442, 0) self.blocks_keep_m_in_n_0_0_2_0 = blocks.keep_m_in_n( gr.sizeof_char, 892, 896, 0) self.blocks_file_source_0_0_1_0_0 = blocks.file_source( gr.sizeof_char * 1, '/home/andre/Downloads/lion-sample.mts', False) self.blocks_file_source_0_0_1_0_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_0_0_0_0_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/andre/Desktop/transmitido/depois.mts', False) self.blocks_file_sink_0_0_0_0_0.set_unbuffered(False) self.blocks_char_to_float_1_0_1 = blocks.char_to_float(1, 1) self.blocks_char_to_float_1_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_2_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0 = blocks.char_to_float(1, 1) self.acode_1104 = blocks.vector_source_b([ 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0 ], True, 1, []) ################################################## # Connections ################################################## self.connect((self.acode_1104, 0), (self.blocks_stream_mux_0_1_0, 0)) self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_2, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_2_0, 0)) self.connect((self.blocks_char_to_float_0_2_0_0, 0), (self.fec_extended_decoder_0_0_1_0_1_0, 0)) self.connect((self.blocks_char_to_float_1_0_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_char_to_float_1_0_1, 0), (self.qtgui_time_sink_x_0_1, 0)) self.connect((self.blocks_file_source_0_0_1_0_0, 0), (self.blocks_char_to_float_1_0_0, 0)) self.connect((self.blocks_file_source_0_0_1_0_0, 0), (self.blocks_repack_bits_bb_1_0_0_1, 0)) self.connect((self.blocks_keep_m_in_n_0_0_2_0, 0), (self.digital_map_bb_0_0_0_0_0, 0)) self.connect((self.blocks_keep_m_in_n_0_1_1_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_const_sink_x_0_0_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.uhd_usrp_sink_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_char_to_float_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_correlate_access_code_xx_ts_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_char_to_float_1_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0_0_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0_0_0, 0), (self.blocks_vector_insert_x_0, 0)) self.connect((self.blocks_repack_bits_bb_1_0_0_1, 0), (self.blocks_stream_mux_0, 0)) self.connect((self.blocks_stream_mux_0, 0), (self.fec_extended_encoder_0, 0)) self.connect((self.blocks_stream_mux_0_0, 0), (self.blocks_stream_mux_0_1_0, 1)) self.connect((self.blocks_stream_mux_0_1_0, 0), (self.blocks_stream_to_tagged_stream_0_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0), (self.blocks_repack_bits_bb_1_0_0_0, 0)) self.connect((self.blocks_vector_insert_x_0, 0), (self.digital_map_bb_1_0, 0)) self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_stream_mux_0, 1)) self.connect((self.blocks_vector_source_x_0_0_0, 0), (self.blocks_stream_mux_0_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_arb_resampler_xxx_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_keep_m_in_n_0_0_2_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_0_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.digital_map_bb_0_0_0_0_0, 0), (self.blocks_char_to_float_0_2_0_0, 0)) self.connect((self.digital_map_bb_1_0, 0), (self.digital_diff_encoder_bb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.fec_extended_decoder_0_0_1_0_1_0, 0), (self.blocks_keep_m_in_n_0_1_1_0, 0)) self.connect((self.fec_extended_encoder_0, 0), (self.blocks_stream_mux_0_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_const_sink_x_0_0_0_1, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_time_sink_x_1_0, 0))
def __init__(self, hdr_format=digital.header_format_default( digital.packet_utils.default_access_code, 0)): grc_wxgui.top_block_gui.__init__(self, title="QPSK") ################################################## # Parameters ################################################## self.hdr_format = hdr_format ################################################## # Variables ################################################## self.sps = sps = 8 self.excess_bw = excess_bw = 0.35 self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( 1, sps, 1, excess_bw, 45) self.qpsk1 = qpsk1 = digital.constellation_qpsk().base() self.our_txt = our_txt = 0 self.code1 = code1 = '010110011011101100010101011111101001001110001011010001101010001' ################################################## # Blocks ################################################## self.wxgui_scopesink2_2 = scopesink2.scope_sink_f( self.GetWin(), title='Scope Plot', sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label='Counts', ) self.Add(self.wxgui_scopesink2_2.win) self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_c( self.GetWin(), title='Scope Plot', sample_rate=samp_rate, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label='Counts', ) self.Add(self.wxgui_scopesink2_0_0.win) self.pluto_source_0 = iio.pluto_source('ip:pluto.local', int(800000000), int(2084000), int(20000000), 0x8000, True, True, True, "manual", 15, '', True) self.pluto_sink_2 = iio.pluto_sink('ip:pluto.local', int(800000000), int(2084000), int(20000000), 0x8000, False, 0, '', True) self._our_txt_text_box = forms.text_box( parent=self.GetWin(), value=self.our_txt, callback=self.set_our_txt, label='our_txt', converter=forms.str_converter(), ) self.Add(self._our_txt_text_box) self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP) self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "tab1") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "tab2") self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "tab3") self.Add(self.notebook_0) self.low_pass_filter_2 = filter.fir_filter_ccf( 1, firdes.low_pass(1, 2084000, 1000000, 500000, firdes.WIN_HAMMING, 6.76)) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 0.0682, (rrc_taps), 64, 16, 1.5, sps) self.digital_map_bb_0 = digital.map_bb(([0, 1, 2, 3])) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc( 21, 0.050, sps, qpsk1) self.digital_diff_decoder_bb_1 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(0.0628, 4, True) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk1, differential=True, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=False, log=False, ) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( qpsk1) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/Users/cake/Desktop/Projects/plutoSDR/2byte.txt', True) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) self.blocks_file_sink_1 = blocks.file_sink( gr.sizeof_char * 1, '/Users/cake/Desktop/Projects/plutoSDR/out.txt', False) self.blocks_file_sink_1.set_unbuffered(True) self.blocks_char_to_float_1 = blocks.char_to_float(1, 1) self.blks2_packet_encoder_0_0 = grc_blks2.packet_mod_b( grc_blks2.packet_encoder( samples_per_symbol=1, bits_per_symbol=1, preamble='', access_code=code1, pad_for_usrp=False, ), payload_length=8, ) self.blks2_packet_decoder_0_0 = grc_blks2.packet_demod_b( grc_blks2.packet_decoder( access_code=code1, threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0_0. recv_pkt(ok, payload), ), ) ################################################## # Connections ################################################## self.connect((self.blks2_packet_decoder_0_0, 0), (self.blocks_file_sink_1, 0)) self.connect((self.blks2_packet_encoder_0_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_char_to_float_1, 0), (self.wxgui_scopesink2_2, 0)) self.connect((self.blocks_file_source_0, 0), (self.blks2_packet_encoder_0_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_packet_decoder_0_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_1, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_map_bb_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.pluto_sink_2, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.wxgui_scopesink2_0_0, 0)) self.connect((self.digital_diff_decoder_bb_1, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_1, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.low_pass_filter_2, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.pluto_source_0, 0), (self.low_pass_filter_2, 0))
def __init__(self): gr.top_block.__init__(self, "Mpsk Stage6") ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.variable_0 = variable_0 = 0 self.timing_loop_bw = timing_loop_bw = 6.28/100.0 self.time_offset = time_offset = 1.00 self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j] # ntaps = 7 # taps = numpy.random.random(ntaps-1) + 1j*numpy.random.random(ntaps-1) # self.taps = taps = numpy.concatenate((numpy.ones(1), taps)) # self.taps = taps self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.phase_bw = phase_bw = 6.28/100.0 self.noise_volt = noise_volt = 0 self.freq_offset = freq_offset = 0 self.excess_bw = excess_bw = 0.35 self.eq_gain = eq_gain = 0.01 self.delay = delay = 58 self.arity = arity = 4 ################################################## # Blocks ################################################## self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(True) self.iq_vector_sink = blocks.vector_sink_c(1) self.raw_vector_sink = blocks.vector_sink_f(1) self.decoded_vector_sink = blocks.vector_sink_f(1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2) self.digital_map_bb_0 = digital.map_bb(([0,1,3,2])) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity, False) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=qpsk, differential=False, samples_per_symbol=sps, pre_diff_code=True, excess_bw=excess_bw, verbose=False, log=False, ) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2) # snr = 18 # noise_amp = 10**(-snr/10.0) self.channels_channel_model_0 = channels.channel_model( noise_voltage=self.noise_volt, frequency_offset=freq_offset, epsilon=time_offset, taps=(taps), noise_seed=0, block_tags=False ) self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_file_sink_0_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'iq_qpsk.txt', False) self.blocks_file_sink_0_1.set_unbuffered(True) self.blocks_file_sink_0_0_0 = blocks.file_sink(gr.sizeof_float*1, 'decoded_qpsk.txt', False) self.blocks_file_sink_0_0_0.set_unbuffered(False) self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_float*1, 'ground_truth_qpsk.txt', False) self.blocks_file_sink_0_0.set_unbuffered(False) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float*1, 'ber_qpsk.txt', False) self.blocks_file_sink_0.set_unbuffered(True) self.blocks_delay_0_1 = blocks.delay(gr.sizeof_char*1, int(delay)) self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, int(delay)) self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blks2_error_rate = grc_blks2.error_rate( type='BER', win_size=int(1e4), bits_per_symbol=1, ) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 100000)), True) ################################################## # Connections ################################################## self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0)) self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blks2_error_rate, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_file_sink_0_0_0, 0)) self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_file_sink_0_0, 0)) self.connect((self.blocks_delay_0_1, 0), (self.blks2_error_rate, 1)) self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_error_rate, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_delay_0_1, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.iq_vector_sink, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.decoded_vector_sink, 0)) self.connect((self.blocks_delay_0, 0), (self.raw_vector_sink, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_file_sink_0_1, 0)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_my_qpsk_demod_cb_1, 0)) self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.digital_map_bb_0, 0))
def __init__(self, n_filts=32, bits_per_sym=2, alpha_probe=0.1, th_probe=0, constellation=digital.constellation_calcdist([-1-1j, 1-1j, 1+1j, -1+1j], [], 4, 1).base(), samp_per_sym=5, bw_costas=2*math.pi/100, bw_clock_sync=2*math.pi/100, bw_fll=2*math.pi/100, len_sym_srrc=11, alfa=0.45): grc_wxgui.top_block_gui.__init__(self, title="Test Hier Rx Usrp") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Parameters ################################################## self.n_filts = n_filts self.bits_per_sym = bits_per_sym self.alpha_probe = alpha_probe self.th_probe = th_probe self.constellation = constellation self.samp_per_sym = samp_per_sym self.bw_costas = bw_costas self.bw_clock_sync = bw_clock_sync self.bw_fll = bw_fll self.len_sym_srrc = len_sym_srrc self.alfa = alfa ################################################## # Variables ################################################## self.filtro_srrc = filtro_srrc = firdes.root_raised_cosine(n_filts,samp_per_sym*n_filts,1.0,alfa,samp_per_sym*len_sym_srrc*n_filts) ################################################## # Blocks ################################################## self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( self.GetWin(), title="Scope Plot", sample_rate=250000/samp_per_sym, v_scale=0.3, v_offset=0, t_scale=0.3, ac_couple=False, xy_mode=True, num_inputs=1, trig_mode=wxgui.TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.uhd_usrp_source_0 = uhd.usrp_source( device_addr="", stream_args=uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(50000*samp_per_sym) self.uhd_usrp_source_0.set_center_freq(850000000, 0) self.uhd_usrp_source_0.set_gain(18, 0) self.uhd_usrp_source_0.set_antenna("TX/RX", 0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(samp_per_sym, bw_clock_sync, (filtro_srrc), n_filts, 16, 5, 1) self.digital_mpsk_snr_est_cc_0 = digital.mpsk_snr_est_cc(2, 1000, 0.1) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(samp_per_sym, alfa, len_sym_srrc*samp_per_sym, bw_fll) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2**bits_per_sym) self.digital_costas_loop_cc_0_0_0 = digital.costas_loop_cc(bw_costas, 2**bits_per_sym) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(constellation) self.blocks_vector_sink_x_0 = blocks.vector_sink_b(1) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_sym) self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "/home/belza/pruebasUSRP/file_rx_sym", False) self.blocks_file_sink_0_0.set_unbuffered(True) self.analog_agc2_xx_0 = analog.agc2_cc(0.6e-1, 1e-3, 2, 15) self.analog_agc2_xx_0.set_max_gain(15) ################################################## # Connections ################################################## self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_vector_sink_x_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.blocks_file_sink_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_mpsk_snr_est_cc_0, 0)) self.connect((self.digital_mpsk_snr_est_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
def __init__(self): gr.top_block.__init__(self, "Demod") # the commented elements below did not work in testing so leave them alone! bitmappings = [ [0, 1, 2, 3], # [ 0, 1, 3, 2], [0, 2, 1, 3], # [ 0, 2, 3, 1], # [ 0, 3, 1, 2], [0, 3, 2, 1], [1, 0, 2, 3], [1, 0, 3, 2], # [ 1, 2, 0, 3], # [ 1, 2, 3, 0], # [ 1, 3, 0, 2], # [ 1, 3, 2, 0], # [ 2, 0, 1, 3], # [ 2, 0, 3, 1], [2, 1, 0, 3], # [ 2, 1, 3, 0], [2, 3, 0, 1], # [ 2, 3, 1, 0], # [ 3, 0, 1, 2], # [ 3, 0, 2, 1], # [ 3, 1, 0, 2], [3, 1, 2, 0], # [ 3, 2, 0, 1], [3, 2, 1, 0], ] constellation_map = random.choice(bitmappings) # override the above for now until figure out how to make the solver work dynamically constellation_map = [2, 3, 0, 1] # sys.stderr.write('{}'.format(constellation_map)) ################################################## # Variables ################################################## self.sps = sps = 8 self.nfilts = nfilts = 32 self.samp_rate = samp_rate = 32000 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts) self.qpsk = qpsk = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), (constellation_map), 4, 2, 2, 1, 1).base() self.arity = arity = 4 ################################################## # Blocks ################################################## self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 62.8e-3, (rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_map_bb_0 = digital.map_bb((constellation_map)) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( 62.8e-3, arity, False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( qpsk) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 15, 1, 10e-3, 2) self.blocks_wavfile_source_0 = blocks.wavfile_source( sys.argv[1], False) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2) self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1, sys.argv[2], False) self.blocks_file_sink_0.set_unbuffered(False) self.analog_sig_source_x_0_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, -8e3, 1, 0) ################################################## # Connections ################################################## self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blocks_wavfile_source_0, 1), (self.blocks_float_to_complex_0, 1)) self.connect((self.blocks_float_to_complex_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0)) self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_file_sink_0, 0))
def __init__(self): gr.top_block.__init__(self, "Audio Tx") Qt.QWidget.__init__(self) self.setWindowTitle("Audio Tx") 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", "audio_tx") 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.sps = sps = 1 self.nfilts = nfilts = 25 self.samp_rate = samp_rate = 32E3 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), 0.35, 45 * nfilts) self.qpsk = qpsk = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.phase_bw = phase_bw = 6.28 / 100.0 self.excess_bw = excess_bw = 0.35 self.BPSK = BPSK = digital.constellation_qpsk().base() ################################################## # Blocks ################################################## self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.28 / 100.0, 200) self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase: Bandwidth', "slider", float) self.top_layout.addWidget(self._phase_bw_win) self.qtgui_time_sink_x_1_1 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_1.set_update_time(0.10) self.qtgui_time_sink_x_1_1.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_1.enable_tags(-1, True) self.qtgui_time_sink_x_1_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_1.enable_autoscale(False) self.qtgui_time_sink_x_1_1.enable_grid(False) self.qtgui_time_sink_x_1_1.enable_axis_labels(True) self.qtgui_time_sink_x_1_1.enable_control_panel(False) self.qtgui_time_sink_x_1_1.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_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(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_1_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_1_win = sip.wrapinstance( self.qtgui_time_sink_x_1_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_1_1_win) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_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_1_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_1_0_win) self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 1024, #size samp_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(-1, 1) 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(False) 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) self.qtgui_time_sink_x_1.enable_stem_plot(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(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_1.set_line_label( i, "Data {0}".format(i)) 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.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) 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(-1, 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(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 True: 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_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c( 1024, #size "demod", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0.enable_grid(True) self.qtgui_const_sink_x_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_const_sink_x_0_0_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "Rx", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(True) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 0, 1, 1, 1) [self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)] [self.top_grid_layout.setColumnStretch(c, 1) for c in range(1, 2)] self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, samp_rate, 1.6E3, .6E3, firdes.WIN_HAMMING, 6.76)) self.hilbert_fc_0 = filter.hilbert_fc(65, firdes.WIN_HAMMING, 6.76) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, .063, (rrc_taps), nfilts, nfilts / 2, 1.5, 1) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc( 8, .01, 1, BPSK) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( phase_bw, 4, False) self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb( BPSK, phase_bw, 0, 2 * 3.14) self.digital_constellation_modulator_0 = digital.generic_mod( constellation=BPSK, differential=True, samples_per_symbol=sps, pre_diff_code=True, excess_bw=2, verbose=False, log=False, ) self.blocks_multiply_xx_3_0 = blocks.multiply_vff(1) self.blocks_multiply_xx_3 = blocks.multiply_vff(1) self.blocks_multiply_xx_2_1 = blocks.multiply_vff(1) self.blocks_multiply_xx_2_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_2_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_2 = blocks.multiply_vff(1) self.blocks_multiply_xx_1 = blocks.multiply_vff(1) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/peter/Desktop/acoustic_radio/test_input.txt', True) self.blocks_file_sink_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/peter/Desktop/output.txt', False) self.blocks_file_sink_0.set_unbuffered(False) self.blocks_complex_to_imag_1 = blocks.complex_to_imag(1) self.blocks_complex_to_imag_0 = blocks.complex_to_imag(1) self.blocks_complex_to_float_0 = blocks.complex_to_float(1) self.blocks_add_xx_3 = blocks.add_vff(1) self.blocks_add_xx_1 = blocks.add_vff(1) self.blocks_add_xx_0 = blocks.add_vff(1) self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b( grc_blks2.packet_encoder( samples_per_symbol=sps, bits_per_symbol=1, preamble='', access_code='', pad_for_usrp=False, ), payload_length=1, ) self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b( grc_blks2.packet_decoder( access_code='', threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0. recv_pkt(ok, payload), ), ) self.analog_sig_source_x_0_1_0_0 = analog.sig_source_c( samp_rate, analog.GR_SIN_WAVE, 4E3, 1, 0) self.analog_sig_source_x_0_1_0 = analog.sig_source_c( samp_rate, analog.GR_COS_WAVE, 4E3, 1, 0) self.analog_sig_source_x_0_1 = analog.sig_source_f( samp_rate, analog.GR_COS_WAVE, 4E3, 1, 0) self.analog_sig_source_x_0_0_0 = analog.sig_source_f( samp_rate, analog.GR_SIN_WAVE, 4E3, 1, 0) self.analog_sig_source_x_0_0 = analog.sig_source_f( samp_rate, analog.GR_SIN_WAVE, 4E3, 1, 0) self.analog_sig_source_x_0 = analog.sig_source_f( samp_rate, analog.GR_COS_WAVE, 4E3, 1, 0) self.analog_feedforward_agc_cc_0 = analog.feedforward_agc_cc( 1024, 1.55) self.analog_const_source_x_0_0 = analog.sig_source_f( 0, analog.GR_CONST_WAVE, 0, 0, -1) self.analog_const_source_x_0 = analog.sig_source_f( 0, analog.GR_CONST_WAVE, 0, 0, -1) ################################################## # Connections ################################################## self.connect((self.analog_const_source_x_0, 0), (self.blocks_multiply_xx_3, 1)) self.connect((self.analog_const_source_x_0_0, 0), (self.blocks_multiply_xx_3_0, 1)) self.connect((self.analog_feedforward_agc_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_3_0, 0)) self.connect((self.analog_sig_source_x_0_0_0, 0), (self.blocks_multiply_xx_3, 0)) self.connect((self.analog_sig_source_x_0_1, 0), (self.blocks_multiply_xx_2, 1)) self.connect((self.analog_sig_source_x_0_1_0, 0), (self.blocks_multiply_xx_2_0, 1)) self.connect((self.analog_sig_source_x_0_1_0_0, 0), (self.blocks_multiply_xx_2_0_0, 1)) self.connect((self.blks2_packet_decoder_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blks2_packet_encoder_0, 0), (self.digital_constellation_modulator_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_xx_2, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_multiply_xx_2_1, 0)) self.connect((self.blocks_add_xx_0, 0), (self.hilbert_fc_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_add_xx_1, 0), (self.blocks_float_to_complex_0, 1)) self.connect((self.blocks_add_xx_3, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blocks_complex_to_float_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_1, 0)) self.connect((self.blocks_complex_to_imag_0, 0), (self.blocks_add_xx_1, 0)) self.connect((self.blocks_complex_to_imag_1, 0), (self.blocks_add_xx_3, 1)) self.connect((self.blocks_file_source_0, 0), (self.blks2_packet_encoder_0, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_multiply_xx_2, 0), (self.blocks_add_xx_1, 1)) self.connect((self.blocks_multiply_xx_2_0, 0), (self.blocks_complex_to_imag_0, 0)) self.connect((self.blocks_multiply_xx_2_0_0, 0), (self.blocks_complex_to_imag_1, 0)) self.connect((self.blocks_multiply_xx_2_1, 0), (self.blocks_add_xx_3, 0)) self.connect((self.blocks_multiply_xx_3, 0), (self.blocks_multiply_xx_2_1, 1)) self.connect((self.blocks_multiply_xx_3_0, 0), (self.blocks_multiply_xx_1, 1)) self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_complex_to_float_0, 0)) self.connect((self.digital_constellation_receiver_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_constellation_receiver_cb_0, 4), (self.qtgui_const_sink_x_0_0, 0)) self.connect((self.digital_constellation_receiver_cb_0, 3), (self.qtgui_time_sink_x_1, 0)) self.connect((self.digital_constellation_receiver_cb_0, 1), (self.qtgui_time_sink_x_1_0, 0)) self.connect((self.digital_constellation_receiver_cb_0, 2), (self.qtgui_time_sink_x_1_1, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blks2_packet_decoder_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_constellation_receiver_cb_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.hilbert_fc_0, 0), (self.blocks_multiply_xx_2_0, 0)) self.connect((self.hilbert_fc_0, 0), (self.blocks_multiply_xx_2_0_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.analog_feedforward_agc_cc_0, 0))
def __init__(self): gr.top_block.__init__(self, "Meteor QPSK LRPT") # get some variables in place for inputs # # Arguments: # 1. Full path and name of stream file (including file extension) # 2. Gain to be used # 3. Frequency offset (PPM) # 4. SDR Device ID from settings.yml (for RTL-SDR source block) # 5. Bias-T (0/1 for RTL-SDR) stream_name = sys.argv[1] gain = float(sys.argv[2]) freq_offset = int(sys.argv[3]) sdr_dev_id = sys.argv[4] bias_t_string = sys.argv[5] bias_t = "1" if not bias_t_string: bias_t = "0" ################################################## # Variables ################################################## self.samp_rate_airspy = samp_rate_airspy = 1250000 self.decim = decim = 8 self.symb_rate = symb_rate = 72000 self.samp_rate = samp_rate = samp_rate_airspy / decim self.sps = sps = (samp_rate * 1.0) / (symb_rate * 1.0) self.pll_alpha = pll_alpha = 0.006 self.freq = freq = 137100000 self.clock_alpha = clock_alpha = 0.002 self.bitstream_name = bitstream_name = stream_name ############################################################################################################################################## # Blocks -- *** NOTE HOW THE VARIABLES ARE CARRIED IN FROM settings.yml - this has to be re-done every time you export the .py from gnuradio ############################################################################################################################################### self.rtlsdr_source_0 = osmosdr.source(args='numchan=' + str(1) + ' ' + 'rtl=' + str(sdr_dev_id) + ',bias=' + bias_t + '') self.rtlsdr_source_0.set_sample_rate(samp_rate_airspy) self.rtlsdr_source_0.set_center_freq(freq, 0) self.rtlsdr_source_0.set_freq_corr(freq_offset, 0) self.rtlsdr_source_0.set_dc_offset_mode(0, 0) self.rtlsdr_source_0.set_iq_balance_mode(0, 0) # determine if gain is specified or if auto-gain should be used if (gain == 0): self.rtlsdr_source_0.set_gain_mode(True, 0) else: self.rtlsdr_source_0.set_gain_mode(False, 0) self.rtlsdr_source_0.set_gain(gain, 0) self.rtlsdr_source_0.set_if_gain(0, 0) self.rtlsdr_source_0.set_bb_gain(0, 0) self.rtlsdr_source_0.set_antenna('', 0) self.rtlsdr_source_0.set_bandwidth(1500000, 0) self.root_raised_cosine_filter_0 = filter.fir_filter_ccf( 1, firdes.root_raised_cosine(1, samp_rate, symb_rate, 0.6, 361)) self.rational_resampler_xxx_0 = filter.rational_resampler_ccc( interpolation=1, decimation=decim, taps=None, fractional_bw=None, ) self.digital_costas_loop_cc_0 = digital.costas_loop_cc( pll_alpha, 4, False) self.digital_constellation_soft_decoder_cf_1 = digital.constellation_soft_decoder_cf( digital.constellation_calcdist( ([-1 - 1j, -1 + 1j, 1 + 1j, 1 - 1j]), ([0, 1, 3, 2]), 4, 1).base()) self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc( sps, clock_alpha**2 / 4.0, 0.5, clock_alpha, 0.005) self.blocks_float_to_char_0 = blocks.float_to_char(1, 127) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1, bitstream_name, False) self.blocks_file_sink_0.set_unbuffered(False) self.analog_rail_ff_0 = analog.rail_ff(-1, 1) self.analog_agc_xx_0 = analog.agc_cc(1000e-4, 0.5, 1.0) self.analog_agc_xx_0.set_max_gain(4000) ################################################## # Connections ################################################## self.connect((self.analog_agc_xx_0, 0), (self.root_raised_cosine_filter_0, 0)) self.connect((self.analog_rail_ff_0, 0), (self.blocks_float_to_char_0, 0)) self.connect((self.blocks_float_to_char_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_constellation_soft_decoder_cf_1, 0)) self.connect((self.digital_constellation_soft_decoder_cf_1, 0), (self.analog_rail_ff_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.rational_resampler_xxx_0, 0), (self.analog_agc_xx_0, 0)) self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.rtlsdr_source_0, 0), (self.rational_resampler_xxx_0, 0))
def __init__(self, puncpat='11'): gr.top_block.__init__(self, "Eve") Qt.QWidget.__init__(self) self.setWindowTitle("Eve") 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", "eve") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.puncpat = puncpat ################################################## # Variables ################################################## self.sps = sps = 4 self.samp_rate_array_MCR = samp_rate_array_MCR = [ 7500000, 5000000, 3750000, 3000000, 2500000, 2000000, 1500000, 1000000, 937500, 882352, 833333, 714285, 533333, 500000, 421052, 400000, 380952, 200000 ] self.nfilts = nfilts = 32 self.eb = eb = 0.22 self.H_dec = H_dec = fec.ldpc_H_matrix( '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24) self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 56 self.samp_rate = samp_rate = samp_rate_array_MCR[15] self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine( nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts) self.pld_dec = pld_dec = map( (lambda a: fec.ldpc_bit_flip_decoder.make(H_dec.get_base_sptr(), 7) ), range(0, 8)) self.pld_const = pld_const = digital.constellation_rect(([ 0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j ]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base() self.pld_const.gen_soft_dec_lut(8) self.frequencia_usrp = frequencia_usrp = 24e8 self.MCR = MCR = "master_clock_rate=60e6" ################################################## # Blocks ################################################## self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 56, 200) self._variable_qtgui_range_0_1_win = RangeWidget( self._variable_qtgui_range_0_1_range, self.set_variable_qtgui_range_0_1, 'Gain_RX', "counter_slider", float) self.top_grid_layout.addWidget(self._variable_qtgui_range_0_1_win, 0, 2, 1, 1) for r in range(0, 1): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_source_0_0 = uhd.usrp_source( ",".join(("serial=F5EB09", MCR)), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0_0.set_center_freq(frequencia_usrp, 0) self.uhd_usrp_source_0_0.set_gain(variable_qtgui_range_0_1, 0) self.uhd_usrp_source_0_0.set_antenna('TX/RX', 0) self.uhd_usrp_source_0_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0_0.set_auto_iq_balance(True, 0) self.qtgui_time_sink_x_2_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "After CAC", #name 1 #number of inputs ) self.qtgui_time_sink_x_2_0.set_update_time(0.10) self.qtgui_time_sink_x_2_0.set_y_axis(0, 1.5) self.qtgui_time_sink_x_2_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_2_0.enable_tags(-1, True) self.qtgui_time_sink_x_2_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_2_0.enable_autoscale(False) self.qtgui_time_sink_x_2_0.enable_grid(True) self.qtgui_time_sink_x_2_0.enable_axis_labels(True) self.qtgui_time_sink_x_2_0.enable_control_panel(False) self.qtgui_time_sink_x_2_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_2_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_2_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_2_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_2_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_2_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_2_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_2_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_2_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_2_0_win = sip.wrapinstance( self.qtgui_time_sink_x_2_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_2_0_win, 2, 2, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate "RX USRP", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) self.qtgui_time_sink_x_1_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_1_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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_1_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance( self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win, 1, 2, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_1 = qtgui.time_sink_f( 100 * 2, #size samp_rate, #samp_rate 'Rx Data', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_1.set_update_time(0.10) self.qtgui_time_sink_x_0_1.set_y_axis(-1, 256) 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, 'packet_length_tag_key') self.qtgui_time_sink_x_0_1.enable_autoscale(True) self.qtgui_time_sink_x_0_1.enable_grid(True) 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 = [ "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_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_grid_layout.addWidget(self._qtgui_time_sink_x_0_1_win, 2, 3, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0_1 = qtgui.const_sink_c( 1024, #size "RX Const", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0_1.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0_1.set_trigger_mode( qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0_1.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0_1.enable_grid(False) self.qtgui_const_sink_x_0_0_0_1.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0_1.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_1_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_1_win, 1, 3, 1, 1) for r in range(1, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(3, 4): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_const_sink_x_0_0_0 = qtgui.const_sink_c( 1024, #size "RX Treated", #name 1 #number of inputs ) self.qtgui_const_sink_x_0_0_0.set_update_time(0.10) self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0_0_0.enable_autoscale(False) self.qtgui_const_sink_x_0_0_0.enable_grid(False) self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "red", "red", "red", "red", "red", "red", "red", "red" ] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance( self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_win, 2, 1, 1, 1) for r in range(2, 3): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 6.28 / 100.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 2) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb( pld_const.arity()) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( 6.28 / 100.0, pld_const.arity(), False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( pld_const) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc( 15, 1, 0.01, 2) self.cac_cpp_cac_bb_0 = cac_cpp.cac_bb( digital.packet_utils.default_access_code, 1) self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb( 1, 8, '', False, gr.GR_MSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( pld_const.bits_per_symbol(), 1, '', False, gr.GR_MSB_FIRST) self.blocks_file_sink_0_0_0_0_0 = blocks.file_sink( gr.sizeof_char * 1, '/home/andre/ELI/1/EVE_55_8000_BRUTO.txt', False) self.blocks_file_sink_0_0_0_0_0.set_unbuffered(True) self.blocks_file_sink_0 = blocks.file_sink( gr.sizeof_gr_complex * 1, '/home/andre/ELI/1/EVE_EVM.txt', False) self.blocks_file_sink_0.set_unbuffered(True) self.blocks_char_to_float_1_0_1 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_2_0, 0)) self.connect((self.blocks_char_to_float_1_0_1, 0), (self.qtgui_time_sink_x_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.cac_cpp_cac_bb_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_char_to_float_1_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0_0_0, 0)) self.connect((self.cac_cpp_cac_bb_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.cac_cpp_cac_bb_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_0_0_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_const_sink_x_0_0_0_1, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_time_sink_x_1_0, 0))
def __init__(self): gr.hier_block2.__init__( self, "Hier Tx Ch Rx", gr.io_signature(1, 1, gr.sizeof_char*1), gr.io_signature(1, 1, gr.sizeof_char*1), ) ################################################## # Variables ################################################## self.samp_per_sym = samp_per_sym = 3 self.n_filts = n_filts = 32 self.len_sym_srrc = len_sym_srrc = 7 self.alfa = alfa = 0.35 self.pulso = pulso = firdes.root_raised_cosine(samp_per_sym,samp_per_sym,1.0,alfa,samp_per_sym*len_sym_srrc) self.gain = gain = 15 self.frec = frec = 850e3 self.filtro_srrc = filtro_srrc = firdes.root_raised_cosine(n_filts,samp_per_sym*n_filts,1.0,alfa,samp_per_sym*len_sym_srrc*n_filts) self.bits_per_sym = bits_per_sym = 2 ################################################## # Blocks ################################################## self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf( samp_per_sym, (pulso), 100) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(samp_per_sym, 2*math.pi/100, (filtro_srrc), n_filts, 16, 5, 1) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(samp_per_sym, alfa, len_sym_srrc*samp_per_sym, math.pi/1600) self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2**bits_per_sym) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2**bits_per_sym) self.digital_costas_loop_cc_0_0_0 = digital.costas_loop_cc(2*math.pi/100, 2**bits_per_sym) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( digital.constellation_calcdist([-1-1j, 1-1j, 1+1j, -1+1j], [], 4, 1).base()) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(([-1-1j,1-1j, 1+1j, -1+1j]), 1) self.channels_channel_model_0 = channels.channel_model( noise_voltage=0.0, frequency_offset=0.0, epsilon=1.00, taps=(1+0.5j, ), noise_seed=0, block_tags=False ) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_sym) self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(bits_per_sym, gr.GR_MSB_FIRST) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.4, )) self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder( samples_per_symbol=samp_per_sym, bits_per_symbol=bits_per_sym, preamble="", access_code="", pad_for_usrp=True, ), payload_length=1, ) self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder( access_code="", threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload), ), ) self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.pfb_interpolator_ccf_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_interpolator_ccf_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_diff_encoder_bb_0, 0)) self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_packet_decoder_0, 0)) self.connect((self.blks2_packet_decoder_0, 0), (self, 0)) self.connect((self, 0), (self.blks2_packet_encoder_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0_0, 0))
def __init__(self, antenna=satnogs.not_set_antenna, baudrate=9600.0, bb_gain=satnogs.not_set_rx_bb_gain, decoded_data_file_path='/tmp/.satnogs/data/data', dev_args=satnogs.not_set_dev_args, doppler_correction_per_sec=1000, enable_iq_dump=0, excess_bw=0.35, file_path='test.wav', if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, max_cfo=1000.0, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=100e6, rx_sdr_device='usrpb200', samp_rate_rx=satnogs.not_set_samp_rate_rx, udp_IP='127.0.0.1', udp_port=16887, waterfall_file_path='/tmp/waterfall.dat'): gr.top_block.__init__(self, "satnogs_bpsk_ax25") ################################################## # Parameters ################################################## self.antenna = antenna self.baudrate = baudrate self.bb_gain = bb_gain self.decoded_data_file_path = decoded_data_file_path self.dev_args = dev_args self.doppler_correction_per_sec = doppler_correction_per_sec self.enable_iq_dump = enable_iq_dump self.excess_bw = excess_bw self.file_path = file_path self.if_gain = if_gain self.iq_file_path = iq_file_path self.lo_offset = lo_offset self.max_cfo = max_cfo self.ppm = ppm self.rf_gain = rf_gain self.rigctl_port = rigctl_port self.rx_freq = rx_freq self.rx_sdr_device = rx_sdr_device self.samp_rate_rx = samp_rate_rx self.udp_IP = udp_IP self.udp_port = udp_port self.waterfall_file_path = waterfall_file_path ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.rrc_taps = rrc_taps = firdes.root_raised_cosine( nfilts, nfilts, 1.0 / float(sps), excess_bw, 11 * sps * nfilts) self.bpsk_constellation = bpsk_constellation = digital.constellation_bpsk( ).base() self.audio_samp_rate = audio_samp_rate = 48000 ################################################## # Blocks ################################################## self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink( audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1) self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink( udp_IP, udp_port, 1500) self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source( "127.0.0.1", rigctl_port, False, 1000, 1500) self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder( file_path, audio_samp_rate, 1.0) self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False, enable_iq_dump) self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink( decoded_data_file_path, 0) self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc( rx_freq, satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)) self.satnogs_ax25_decoder_bm_0_0 = satnogs.ax25_decoder_bm( 'GND', 0, True, False, 1024) self.satnogs_ax25_decoder_bm_0 = satnogs.ax25_decoder_bm( 'GND', 0, True, True, 1024) self.pfb_arb_resampler_xxx_0_0 = pfb.arb_resampler_ccf( (1.0 * sps * baudrate) / satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 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( audio_samp_rate / satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), taps=None, flt_size=32) self.pfb_arb_resampler_xxx_0.declare_sample_delay(0) self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.handle_rx_dev_args(rx_sdr_device, dev_args)) self.osmosdr_source_0.set_sample_rate( satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)) self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0) self.osmosdr_source_0.set_freq_corr(ppm, 0) self.osmosdr_source_0.set_dc_offset_mode(2, 0) self.osmosdr_source_0.set_iq_balance_mode(0, 0) self.osmosdr_source_0.set_gain_mode(False, 0) self.osmosdr_source_0.set_gain( satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0) self.osmosdr_source_0.set_if_gain( satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0) self.osmosdr_source_0.set_bb_gain( satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0) self.osmosdr_source_0.set_antenna( satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0) self.osmosdr_source_0.set_bandwidth( satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 0) self.low_pass_filter_0_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, audio_samp_rate, ((1.0 + excess_bw) * baudrate / 2.0) + min(baudrate, abs(max_cfo)), baudrate / 10.0, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_0 = filter.fir_filter_ccf( 1, firdes.low_pass(1, sps * baudrate, ((1.0 + excess_bw) * baudrate / 2.0) + min(baudrate, abs(max_cfo)), baudrate / 10.0, firdes.WIN_HAMMING, 6.76)) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf( sps, 2.0 * math.pi / 100.0, (rrc_taps), nfilts, nfilts / 2, 1.5, 1) self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc( 2.0 * math.pi / 100.0, 2, True) self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb( bpsk_constellation, 2.0 * math.pi / 100.0, -0.25, 0.25) self.blocks_rotator_cc_0_0 = blocks.rotator_cc( 2.0 * math.pi * (1200.0 / audio_samp_rate)) self.blocks_rotator_cc_0 = blocks.rotator_cc( -2.0 * math.pi * (lo_offset / satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))) self.blocks_complex_to_real_0 = blocks.complex_to_real(1) 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-3, 1e-3, 0.5, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_frame_file_sink_0_1_0, 'frame')) self.msg_connect((self.satnogs_ax25_decoder_bm_0, 'pdu'), (self.satnogs_udp_msg_sink_0_0, 'in')) self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'), (self.satnogs_frame_file_sink_0_1_0, 'frame')) self.msg_connect((self.satnogs_ax25_decoder_bm_0_0, 'pdu'), (self.satnogs_udp_msg_sink_0_0, 'in')) self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_coarse_doppler_correction_cc_0, 'freq')) self.connect((self.analog_agc2_xx_0, 0), (self.pfb_arb_resampler_xxx_0_0, 0)) self.connect((self.analog_agc2_xx_0_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.blocks_complex_to_real_0, 0), (self.satnogs_ogg_encoder_0, 0)) self.connect((self.blocks_rotator_cc_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0)) self.connect((self.blocks_rotator_cc_0_0, 0), (self.blocks_complex_to_real_0, 0)) self.connect((self.digital_constellation_receiver_cb_0, 0), (self.satnogs_ax25_decoder_bm_0, 0)) self.connect((self.digital_constellation_receiver_cb_0, 0), (self.satnogs_ax25_decoder_bm_0_0, 0)) self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_constellation_receiver_cb_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.digital_costas_loop_cc_0_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.blocks_rotator_cc_0_0, 0)) self.connect((self.osmosdr_source_0, 0), (self.blocks_rotator_cc_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.analog_agc2_xx_0_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.satnogs_iq_sink_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.satnogs_waterfall_sink_0, 0)) self.connect((self.pfb_arb_resampler_xxx_0_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
def __init__(self, freq=0, gain=40, loopbw=100, loopbw_0=100, fllbw=0.002): gr.top_block.__init__(self, "Rx Gui") Qt.QWidget.__init__(self) self.setWindowTitle("Rx Gui") 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", "rx_gui") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Parameters ################################################## self.freq = freq self.gain = gain self.loopbw = loopbw self.loopbw_0 = loopbw_0 self.fllbw = fllbw ################################################## # Variables ################################################## self.sps = sps = 8 self.excess_bw = excess_bw = 0.25 self.target_samp_rate = target_samp_rate = sps*(200e3/(1 + excess_bw)) self.qpsk_const = qpsk_const = digital.constellation_qpsk().base() self.dsp_rate = dsp_rate = 100e6 self.const_choice = const_choice = "qpsk" self.bpsk_const = bpsk_const = digital.constellation_bpsk().base() self.barker_code_two_dim = barker_code_two_dim = [-1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j] self.barker_code_one_dim = barker_code_one_dim = sqrt(2)*numpy.real([-1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j]) self.rrc_delay = rrc_delay = int(round(-44*excess_bw + 33)) self.nfilts = nfilts = 32 self.n_barker_rep = n_barker_rep = 10 self.dec_factor = dec_factor = ceil(dsp_rate/target_samp_rate) self.constellation = constellation = qpsk_const if (const_choice=="qpsk") else bpsk_const self.barker_code = barker_code = barker_code_two_dim if (const_choice == "qpsk") else barker_code_one_dim self.preamble_syms = preamble_syms = numpy.matlib.repmat(barker_code, 1, n_barker_rep)[0] self.n_rrc_taps = n_rrc_taps = rrc_delay * int(sps*nfilts) self.n_codewords = n_codewords = 1 self.even_dec_factor = even_dec_factor = dec_factor if (dec_factor % 1 == 1) else (dec_factor+1) self.const_order = const_order = pow(2,constellation.bits_per_symbol()) self.codeword_len = codeword_len = 18444 self.usrp_rx_addr = usrp_rx_addr = "192.168.10.2" self.samp_rate = samp_rate = dsp_rate/even_dec_factor self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts*sps, 1.0, excess_bw, n_rrc_taps) self.rf_center_freq = rf_center_freq = 1428.4309e6 self.preamble_size = preamble_size = len(preamble_syms) self.pmf_peak_threshold = pmf_peak_threshold = 0.6 self.payload_size = payload_size = codeword_len*n_codewords/int(numpy.log2(const_order)) self.dataword_len = dataword_len = 6144 self.barker_len = barker_len = 13 ################################################## # Blocks ################################################## self.tabs = Qt.QTabWidget() self.tabs_widget_0 = Qt.QWidget() self.tabs_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_0) self.tabs_grid_layout_0 = Qt.QGridLayout() self.tabs_layout_0.addLayout(self.tabs_grid_layout_0) self.tabs.addTab(self.tabs_widget_0, 'PMF Out') self.tabs_widget_1 = Qt.QWidget() self.tabs_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_1) self.tabs_grid_layout_1 = Qt.QGridLayout() self.tabs_layout_1.addLayout(self.tabs_grid_layout_1) self.tabs.addTab(self.tabs_widget_1, 'Abs PMF Out') self.tabs_widget_2 = Qt.QWidget() self.tabs_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_2) self.tabs_grid_layout_2 = Qt.QGridLayout() self.tabs_layout_2.addLayout(self.tabs_grid_layout_2) self.tabs.addTab(self.tabs_widget_2, 'FLL In') self.tabs_widget_3 = Qt.QWidget() self.tabs_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_3) self.tabs_grid_layout_3 = Qt.QGridLayout() self.tabs_layout_3.addLayout(self.tabs_grid_layout_3) self.tabs.addTab(self.tabs_widget_3, 'FLL Out') self.tabs_widget_4 = Qt.QWidget() self.tabs_layout_4 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_4) self.tabs_grid_layout_4 = Qt.QGridLayout() self.tabs_layout_4.addLayout(self.tabs_grid_layout_4) self.tabs.addTab(self.tabs_widget_4, 'FLL State') self.tabs_widget_5 = Qt.QWidget() self.tabs_layout_5 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_5) self.tabs_grid_layout_5 = Qt.QGridLayout() self.tabs_layout_5.addLayout(self.tabs_grid_layout_5) self.tabs.addTab(self.tabs_widget_5, 'PFB Sync Out') self.tabs_widget_6 = Qt.QWidget() self.tabs_layout_6 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_6) self.tabs_grid_layout_6 = Qt.QGridLayout() self.tabs_layout_6.addLayout(self.tabs_grid_layout_6) self.tabs.addTab(self.tabs_widget_6, 'Costas State') self.tabs_widget_7 = Qt.QWidget() self.tabs_layout_7 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_7) self.tabs_grid_layout_7 = Qt.QGridLayout() self.tabs_layout_7.addLayout(self.tabs_grid_layout_7) self.tabs.addTab(self.tabs_widget_7, 'Demod Bits') self.tabs_widget_8 = Qt.QWidget() self.tabs_layout_8 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_8) self.tabs_grid_layout_8 = Qt.QGridLayout() self.tabs_layout_8.addLayout(self.tabs_grid_layout_8) self.tabs.addTab(self.tabs_widget_8, 'Costas Sym Out') self.tabs_widget_9 = Qt.QWidget() self.tabs_layout_9 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_9) self.tabs_grid_layout_9 = Qt.QGridLayout() self.tabs_layout_9.addLayout(self.tabs_grid_layout_9) self.tabs.addTab(self.tabs_widget_9, 'Payload Symbols') self.top_layout.addWidget(self.tabs) self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + '' ) self.rtlsdr_source_0.set_sample_rate(samp_rate) self.rtlsdr_source_0.set_center_freq(freq, 0) self.rtlsdr_source_0.set_freq_corr(0, 0) self.rtlsdr_source_0.set_dc_offset_mode(0, 0) self.rtlsdr_source_0.set_iq_balance_mode(0, 0) self.rtlsdr_source_0.set_gain_mode(False, 0) self.rtlsdr_source_0.set_gain(gain, 0) self.rtlsdr_source_0.set_if_gain(20, 0) self.rtlsdr_source_0.set_bb_gain(20, 0) self.rtlsdr_source_0.set_antenna('', 0) self.rtlsdr_source_0.set_bandwidth(0, 0) self.qtgui_time_sink_x_2 = qtgui.time_sink_c( preamble_size + payload_size, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_2.set_update_time(0.10) self.qtgui_time_sink_x_2.set_y_axis(-1, 1) self.qtgui_time_sink_x_2.set_y_label('Amplitude', "") self.qtgui_time_sink_x_2.enable_tags(-1, True) self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_2.enable_autoscale(True) self.qtgui_time_sink_x_2.enable_grid(False) self.qtgui_time_sink_x_2.enable_axis_labels(True) self.qtgui_time_sink_x_2.enable_control_panel(False) if not True: self.qtgui_time_sink_x_2.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*1): if len(labels[i]) == 0: if(i % 2 == 0): self.qtgui_time_sink_x_2.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_2.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_2.set_line_label(i, labels[i]) self.qtgui_time_sink_x_2.set_line_width(i, widths[i]) self.qtgui_time_sink_x_2.set_line_color(i, colors[i]) self.qtgui_time_sink_x_2.set_line_style(i, styles[i]) self.qtgui_time_sink_x_2.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_2_win = sip.wrapinstance(self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget) self.tabs_layout_0.addWidget(self._qtgui_time_sink_x_2_win) self.qtgui_time_sink_x_1_0_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0_0.set_y_axis(-128, 128) self.qtgui_time_sink_x_1_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0_0.enable_tags(-1, False) self.qtgui_time_sink_x_1_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0_0.enable_grid(False) self.qtgui_time_sink_x_1_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_1_0_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_1_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_1_0_0.pyqwidget(), Qt.QWidget) self.tabs_layout_7.addWidget(self._qtgui_time_sink_x_1_0_0_win) self.qtgui_time_sink_x_1_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_1_0.set_update_time(0.10) self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1_0.enable_tags(-1, True) self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1_0.enable_autoscale(False) self.qtgui_time_sink_x_1_0.enable_grid(False) self.qtgui_time_sink_x_1_0.enable_axis_labels(True) self.qtgui_time_sink_x_1_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_1_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_1_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_0_win = sip.wrapinstance(self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget) self.tabs_layout_7.addWidget(self._qtgui_time_sink_x_1_0_win) self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 8192, #size samp_rate, #samp_rate "", #name 3 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1, 1) 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(False) 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 = ['FLL Freq (PI Output)', 'FLL Phase Accum', 'FLL Error', '', '', '', '', '', '', ''] 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(3): if len(labels[i]) == 0: self.qtgui_time_sink_x_1.set_line_label(i, "Data {0}".format(i)) 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.tabs_layout_4.addWidget(self._qtgui_time_sink_x_1_win) self.qtgui_time_sink_x_0_3 = qtgui.time_sink_f( 1024*4, #size samp_rate, #samp_rate "Error", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_3.set_update_time(0.10) self.qtgui_time_sink_x_0_3.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_3.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_3.enable_tags(-1, True) self.qtgui_time_sink_x_0_3.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_3.enable_autoscale(False) self.qtgui_time_sink_x_0_3.enable_grid(False) self.qtgui_time_sink_x_0_3.enable_axis_labels(True) self.qtgui_time_sink_x_0_3.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0_3.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_3.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_3.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_3.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_3.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_3.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_3.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_3.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_3_win = sip.wrapinstance(self.qtgui_time_sink_x_0_3.pyqwidget(), Qt.QWidget) self.tabs_layout_6.addWidget(self._qtgui_time_sink_x_0_3_win) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( preamble_size + payload_size, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(True) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0_0.disable_legend() labels = ['Mag Sq', 'Mag', '', '', '', '', '', '', '', ''] 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_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.tabs_layout_1.addWidget(self._qtgui_time_sink_x_0_0_win) self.qtgui_sink_x_5 = qtgui.sink_c( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name True, #plotfreq False, #plotwaterfall False, #plottime True, #plotconst ) self.qtgui_sink_x_5.set_update_time(1.0/10) self._qtgui_sink_x_5_win = sip.wrapinstance(self.qtgui_sink_x_5.pyqwidget(), Qt.QWidget) self.tabs_layout_3.addWidget(self._qtgui_sink_x_5_win) self.qtgui_sink_x_5.enable_rf_freq(False) self.qtgui_sink_x_1 = qtgui.sink_c( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name True, #plotfreq False, #plotwaterfall False, #plottime True, #plotconst ) self.qtgui_sink_x_1.set_update_time(1.0/10) self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget) self.tabs_layout_2.addWidget(self._qtgui_sink_x_1_win) self.qtgui_sink_x_1.enable_rf_freq(False) self.qtgui_sink_x_0 = qtgui.sink_c( 1024, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name False, #plotfreq False, #plotwaterfall False, #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.tabs_layout_5.addWidget(self._qtgui_sink_x_0_win) self.qtgui_sink_x_0.enable_rf_freq(False) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #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, 10) 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(False) 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.tabs_layout_2.addWidget(self._qtgui_freq_sink_x_0_win) self.qtgui_const_sink_x_1 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_1.set_update_time(0.10) self.qtgui_const_sink_x_1.set_y_axis(-2, 2) self.qtgui_const_sink_x_1.set_x_axis(-2, 2) self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_1.enable_autoscale(False) self.qtgui_const_sink_x_1.enable_grid(False) self.qtgui_const_sink_x_1.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_1.set_line_label(i, labels[i]) self.qtgui_const_sink_x_1.set_line_width(i, widths[i]) self.qtgui_const_sink_x_1.set_line_color(i, colors[i]) self.qtgui_const_sink_x_1.set_line_style(i, styles[i]) self.qtgui_const_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget) self.tabs_layout_9.addWidget(self._qtgui_const_sink_x_1_win) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "", #name 1 #number of inputs ) self.qtgui_const_sink_x_0.set_update_time(0.10) self.qtgui_const_sink_x_0.set_y_axis(-2, 2) self.qtgui_const_sink_x_0.set_x_axis(-2, 2) self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "") self.qtgui_const_sink_x_0.enable_autoscale(False) self.qtgui_const_sink_x_0.enable_grid(False) self.qtgui_const_sink_x_0.enable_axis_labels(True) if not True: self.qtgui_const_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "red", "red", "red", "red", "red", "red", "red", "red"] styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] markers = [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_const_sink_x_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_const_sink_x_0.set_line_label(i, labels[i]) self.qtgui_const_sink_x_0.set_line_width(i, widths[i]) self.qtgui_const_sink_x_0.set_line_color(i, colors[i]) self.qtgui_const_sink_x_0.set_line_style(i, styles[i]) self.qtgui_const_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.tabs_layout_8.addWidget(self._qtgui_const_sink_x_0_win) self.mods_turbo_decoder_0 = mods.turbo_decoder(codeword_len, dataword_len) self.mods_frame_sync_fast_0 = mods.frame_sync_fast(pmf_peak_threshold, preamble_size, payload_size, 0, 1, 1, int(const_order)) self.mods_fifo_async_sink_0 = mods.fifo_async_sink('/tmp/async_rx') self.interp_fir_filter_xxx_0_0 = filter.interp_fir_filter_fff(1, ( numpy.ones(n_barker_rep*barker_len))) self.interp_fir_filter_xxx_0_0.declare_sample_delay(0) self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccc(1, ( numpy.flipud(numpy.conj(preamble_syms)))) self.interp_fir_filter_xxx_0.declare_sample_delay(0) self.framers_gr_hdlc_deframer_b_0 = framers.gr_hdlc_deframer_b(0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2*pi/50, (rrc_taps), nfilts, nfilts/2, pi/8, 1) self.digital_map_bb_0_0_0 = digital.map_bb(([1,- 1])) self.digital_fll_band_edge_cc_1 = digital.fll_band_edge_cc(sps, excess_bw, rrc_delay * int(sps) + 1, fllbw) self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0x7F, 16) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(2*pi/loopbw, 2**constellation.bits_per_symbol(), False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(constellation.base()) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(constellation.bits_per_symbol()) self.blocks_rms_xx_1 = blocks.rms_cf(0.0001) self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_multiply_const_vxx_1_1 = blocks.multiply_const_vcc((1.0/sqrt(2), )) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((1.0/(preamble_size*sqrt(2)), )) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blocks_divide_xx_1 = blocks.divide_ff(1) self.blocks_divide_xx_0 = blocks.divide_cc(1) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1) self.blocks_complex_to_mag_1 = blocks.complex_to_mag(1) self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) ################################################## # Connections ################################################## self.msg_connect((self.framers_gr_hdlc_deframer_b_0, 'pdu'), (self.mods_fifo_async_sink_0, 'async_pdu')) self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_1_0, 0)) self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_time_sink_x_1_0_0, 0)) self.connect((self.blocks_complex_to_mag_1, 0), (self.blocks_divide_xx_1, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.interp_fir_filter_xxx_0_0, 0)) self.connect((self.blocks_divide_xx_0, 0), (self.digital_fll_band_edge_cc_1, 0)) self.connect((self.blocks_divide_xx_0, 0), (self.qtgui_sink_x_1, 0)) self.connect((self.blocks_divide_xx_1, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_divide_xx_1, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_divide_xx_0, 1)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.mods_frame_sync_fast_0, 2)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_time_sink_x_2, 0)) self.connect((self.blocks_multiply_const_vxx_1_1, 0), (self.blocks_complex_to_mag_1, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.mods_frame_sync_fast_0, 1)) self.connect((self.blocks_multiply_xx_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_char_to_float_0_1, 0)) self.connect((self.blocks_rms_xx_1, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.digital_map_bb_0_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.interp_fir_filter_xxx_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.mods_frame_sync_fast_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.digital_costas_loop_cc_0, 1), (self.qtgui_time_sink_x_0_3, 0)) self.connect((self.digital_descrambler_bb_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.digital_descrambler_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0)) self.connect((self.digital_descrambler_bb_0, 0), (self.framers_gr_hdlc_deframer_b_0, 0)) self.connect((self.digital_fll_band_edge_cc_1, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_fll_band_edge_cc_1, 0), (self.qtgui_sink_x_5, 0)) self.connect((self.digital_fll_band_edge_cc_1, 3), (self.qtgui_time_sink_x_1, 2)) self.connect((self.digital_fll_band_edge_cc_1, 1), (self.qtgui_time_sink_x_1, 0)) self.connect((self.digital_fll_band_edge_cc_1, 2), (self.qtgui_time_sink_x_1, 1)) self.connect((self.digital_map_bb_0_0_0, 0), (self.mods_turbo_decoder_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_sink_x_0, 0)) self.connect((self.interp_fir_filter_xxx_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.interp_fir_filter_xxx_0, 0), (self.blocks_multiply_const_vxx_1_1, 0)) self.connect((self.interp_fir_filter_xxx_0_0, 0), (self.blocks_divide_xx_1, 1)) self.connect((self.mods_frame_sync_fast_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.mods_frame_sync_fast_0, 0), (self.qtgui_const_sink_x_1, 0)) self.connect((self.mods_turbo_decoder_0, 0), (self.digital_descrambler_bb_0, 0)) self.connect((self.rtlsdr_source_0, 0), (self.blocks_divide_xx_0, 0)) self.connect((self.rtlsdr_source_0, 0), (self.blocks_rms_xx_1, 0)) self.connect((self.rtlsdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
def __init__(self, baudrate, samp_rate, iq, f_offset=None, differential=False, manchester=False, dump_path=None, options=None): gr.hier_block2.__init__( self, "bpsk_demodulator", gr.io_signature(1, 1, gr.sizeof_gr_complex if iq else gr.sizeof_float), gr.io_signature(1, 1, gr.sizeof_float)) options_block.__init__(self, options) if dump_path is not None: dump_path = pathlib.Path(dump_path) if manchester: baudrate *= 2 # prevent problems due to baudrate too high if baudrate >= samp_rate / 4: print( f'Sample rate {samp_rate} sps insufficient for {baudrate} baud BPSK demodulation. Demodulator will not work.', file=sys.stderr) baudrate = samp_rate / 4 sps = samp_rate / baudrate max_sps = 10 if sps > max_sps: decimation = ceil(sps / max_sps) else: decimation = 1 sps /= decimation filter_cutoff = baudrate * 2.0 filter_transition = baudrate * 0.2 if f_offset is None: f_offset = self.options.f_offset if f_offset is None: if iq: f_offset = 0 elif baudrate <= 2400: f_offset = 1500 else: f_offset = 12000 taps = firdes.low_pass(1, samp_rate, filter_cutoff, filter_transition) f = filter.freq_xlating_fir_filter_ccf if iq else filter.freq_xlating_fir_filter_fcf self.xlating = f(decimation, taps, f_offset, samp_rate) agc_constant = 2e-2 / sps # This gives a time constant of 50 symbols self.agc = rms_agc(agc_constant, 1) if dump_path is not None: self.agc_in = blocks.file_sink(gr.sizeof_gr_complex, str(dump_path / 'agc_in.c64'), False) self.agc_out = blocks.file_sink(gr.sizeof_gr_complex, str(dump_path / 'agc_out.c64'), False) self.connect(self.xlating, self.agc_in) self.connect(self.agc, self.agc_out) if not self.options.disable_fll: fll_bw = 2 * pi * decimation / samp_rate * self.options.fll_bw self.fll = digital.fll_band_edge_cc(sps, self.options.rrc_alpha, 100, fll_bw) if dump_path is not None: self.fll_freq = blocks.file_sink( gr.sizeof_float, str(dump_path / 'fll_freq.f32'), False) self.fll_phase = blocks.file_sink( gr.sizeof_float, str(dump_path / 'fll_phase.f32'), False) self.fll_error = blocks.file_sink( gr.sizeof_float, str(dump_path / 'fll_error.f32'), False) self.connect((self.fll, 1), self.fll_freq) self.connect((self.fll, 2), self.fll_phase) self.connect((self.fll, 3), self.fll_error) nfilts = 16 rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0 / float(sps), self.options.rrc_alpha, int(ceil(11 * sps * nfilts))) ted_gain = 0.5 # "empiric" formula for TED gain of a PFB MF TED for complex BPSK 0.5 sample^{-1} damping = 1.0 self.clock_recovery = digital.symbol_sync_cc( digital.TED_SIGNAL_TIMES_SLOPE_ML, sps, self.options.clk_bw, damping, ted_gain, self.options.clk_limit * sps, 1, digital.constellation_bpsk().base(), digital.IR_PFB_MF, nfilts, rrc_taps) if dump_path is not None: self.clock_recovery_out = blocks.file_sink( gr.sizeof_gr_complex, str(dump_path / 'clock_recovery_out.c64'), False) self.clock_recovery_err = blocks.file_sink( gr.sizeof_float, str(dump_path / 'clock_recovery_err.f32'), False) self.clock_recovery_T_inst = blocks.file_sink( gr.sizeof_float, str(dump_path / 'clock_recovery_T_inst.f32'), False) self.clock_recovery_T_avg = blocks.file_sink( gr.sizeof_float, str(dump_path / 'clock_recovery_T_avg.f32'), False) self.connect(self.clock_recovery, self.clock_recovery_out) self.connect((self.clock_recovery, 1), self.clock_recovery_err) self.connect((self.clock_recovery, 2), self.clock_recovery_T_inst) self.connect((self.clock_recovery, 3), self.clock_recovery_T_avg) self.connect(self, self.xlating, self.agc) if self.options.disable_fll: self.connect(self.agc, self.clock_recovery) else: self.connect(self.agc, self.fll, self.clock_recovery) self.complex_to_real = blocks.complex_to_real(1) if manchester: self.manchester = manchester_sync(self.options.manchester_history) self.connect(self.clock_recovery, self.manchester) else: self.manchester = self.clock_recovery if differential: self.delay = blocks.delay(gr.sizeof_gr_complex, 1) self.multiply_conj = blocks.multiply_conjugate_cc(1) sign = -1 if manchester else 1 self.multiply_const = blocks.multiply_const_ff( sign, 1) # take care about inverion in Manchester self.connect(self.manchester, (self.multiply_conj, 0)) self.connect(self.manchester, self.delay, (self.multiply_conj, 1)) self.connect(self.multiply_conj, self.complex_to_real, self.multiply_const, self) else: costas_bw = 2 * pi / baudrate * self.options.costas_bw self.costas = digital.costas_loop_cc(costas_bw, 2, False) if dump_path is not None: self.costas_out = blocks.file_sink( gr.sizeof_gr_complex, str(dump_path / 'costas_out.c64'), False) self.costas_frequency = blocks.file_sink( gr.sizeof_float, str(dump_path / 'costas_frequency.f32'), False) self.costas_phase = blocks.file_sink( gr.sizeof_float, str(dump_path / 'costas_phase.f32'), False) self.costas_error = blocks.file_sink( gr.sizeof_float, str(dump_path / 'costas_error.f32'), False) self.connect(self.costas, self.costas_out) self.connect((self.costas, 1), self.costas_frequency) self.connect((self.costas, 2), self.costas_phase) self.connect((self.costas, 3), self.costas_error) self.connect(self.manchester, self.costas, self.complex_to_real, self)
def __init__(self): gr.top_block.__init__(self, "Uhd Snr Receiver") Qt.QWidget.__init__(self) self.setWindowTitle("Uhd Snr Receiver") self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc')) 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", "uhd_snr_receiver") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.sps = sps = 4 self.nfilts = nfilts = 32 self.samp_rate = samp_rate = 1e6 self.rrc_taps = rrc_taps = filter.firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts) self.gain = gain = 15 self.freq = freq = 520e6 self.fine_freq = fine_freq = -28400 ################################################## # Blocks ################################################## self._gain_layout = Qt.QVBoxLayout() self._gain_tool_bar = Qt.QToolBar(self) self._gain_layout.addWidget(self._gain_tool_bar) self._gain_tool_bar.addWidget(Qt.QLabel("RX Gain"+": ")) self._gain_counter = Qwt.QwtCounter() self._gain_counter.setRange(0, 31.5, 0.5) self._gain_counter.setNumButtons(2) self._gain_counter.setValue(self.gain) self._gain_tool_bar.addWidget(self._gain_counter) self._gain_counter.valueChanged.connect(self.set_gain) self._gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._gain_slider.setRange(0, 31.5, 0.5) self._gain_slider.setValue(self.gain) self._gain_slider.setMinimumWidth(200) self._gain_slider.valueChanged.connect(self.set_gain) self._gain_layout.addWidget(self._gain_slider) self.top_layout.addLayout(self._gain_layout) self._freq_layout = Qt.QVBoxLayout() self._freq_tool_bar = Qt.QToolBar(self) self._freq_layout.addWidget(self._freq_tool_bar) self._freq_tool_bar.addWidget(Qt.QLabel("Frequency"+": ")) self._freq_counter = Qwt.QwtCounter() self._freq_counter.setRange(514e6, 526e6, 1e6) self._freq_counter.setNumButtons(2) self._freq_counter.setValue(self.freq) self._freq_tool_bar.addWidget(self._freq_counter) self._freq_counter.valueChanged.connect(self.set_freq) self._freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._freq_slider.setRange(514e6, 526e6, 1e6) self._freq_slider.setValue(self.freq) self._freq_slider.setMinimumWidth(200) self._freq_slider.valueChanged.connect(self.set_freq) self._freq_layout.addWidget(self._freq_slider) self.top_grid_layout.addLayout(self._freq_layout, 2,0,1,1) self._fine_freq_layout = Qt.QVBoxLayout() self._fine_freq_tool_bar = Qt.QToolBar(self) self._fine_freq_layout.addWidget(self._fine_freq_tool_bar) self._fine_freq_tool_bar.addWidget(Qt.QLabel("Fine Frequency"+": ")) self._fine_freq_counter = Qwt.QwtCounter() self._fine_freq_counter.setRange(-50e3, 50e3, 100) self._fine_freq_counter.setNumButtons(2) self._fine_freq_counter.setValue(self.fine_freq) self._fine_freq_tool_bar.addWidget(self._fine_freq_counter) self._fine_freq_counter.valueChanged.connect(self.set_fine_freq) self._fine_freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot) self._fine_freq_slider.setRange(-50e3, 50e3, 100) self._fine_freq_slider.setValue(self.fine_freq) self._fine_freq_slider.setMinimumWidth(200) self._fine_freq_slider.valueChanged.connect(self.set_fine_freq) self._fine_freq_layout.addWidget(self._fine_freq_slider) self.top_grid_layout.addLayout(self._fine_freq_layout, 2,1,1,1) self.uhd_usrp_source_0 = uhd.usrp_source( device_addr="", stream_args=uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(freq + fine_freq, 0) self.uhd_usrp_source_0.set_gain(gain, 0) self.uhd_usrp_source_0.set_antenna("TX/RX", 0) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c( 500, #size samp_rate, #bw "QT GUI Plot", #name 3 #number of inputs ) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 0,0,1,1) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "QT GUI Plot", #name 1 #number of inputs ) 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, 1,0,1,2) self.qtgui_const_sink_x_0 = qtgui.const_sink_c( 1024, #size "QT GUI Plot", #name 2 #number of inputs ) self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 0,1,1,1) self.gr_multiply_xx_0 = gr.multiply_vcc(1) self.gr_agc2_xx_0 = gr.agc2_cc(1e-1, 1e-2, 1.0, 1.0, 0.0) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2*3.14/100.0, (rrc_taps), nfilts, nfilts/2, 1.5, 1) self.digital_mpsk_snr_est_cc_0_1 = digital.mpsk_snr_est_cc(3, 10000, 0.001) self.digital_mpsk_snr_est_cc_0_0 = digital.mpsk_snr_est_cc(2, 10000, 0.001) self.digital_mpsk_snr_est_cc_0 = digital.mpsk_snr_est_cc(0, 10000, 0.001) self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(15, 0.010, 1, digital.constellation_qpsk().base()) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(2*3.14/100.0, 4) ################################################## # Connections ################################################## self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_mpsk_snr_est_cc_0, 0)) self.connect((self.gr_multiply_xx_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0, 1)) self.connect((self.gr_agc2_xx_0, 0), (self.gr_multiply_xx_0, 3)) self.connect((self.gr_agc2_xx_0, 0), (self.gr_multiply_xx_0, 2)) self.connect((self.gr_agc2_xx_0, 0), (self.gr_multiply_xx_0, 1)) self.connect((self.gr_agc2_xx_0, 0), (self.gr_multiply_xx_0, 0)) self.connect((self.gr_agc2_xx_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.gr_agc2_xx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_mpsk_snr_est_cc_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_mpsk_snr_est_cc_0_1, 0)) self.connect((self.digital_mpsk_snr_est_cc_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.digital_mpsk_snr_est_cc_0_0, 0), (self.qtgui_time_sink_x_0_0, 1)) self.connect((self.digital_mpsk_snr_est_cc_0_1, 0), (self.qtgui_time_sink_x_0_0, 2))