def __init__(self, ebno_db=0, min_errors=100, samp_per_sym=1):
        gr.top_block.__init__(self, "BER 4FSK ")

        ##################################################
        # Parameters
        ##################################################
        self.ebno_db = ebno_db
        self.min_errors = min_errors
        self.samp_per_sym = samp_per_sym

        ##################################################
        # Variables
        ##################################################
        self.symb_rate = symb_rate = 4800
        self.bits_per_sym = bits_per_sym = 1
        self.bit_rate = bit_rate = float(symb_rate)*bits_per_sym
        self.average_power = average_power = 1.0
        self.ebno = ebno = 10**(ebno_db/10.0)
        self.eb = eb = average_power/bit_rate
        self.samp_rate = samp_rate = symb_rate*samp_per_sym
        self.no = no = eb/ebno
        self.noise_variance = noise_variance = no*samp_rate/2.0

        ##################################################
        # Blocks
        ##################################################
        self.sample_counter = sample_counter()
        self.probe_avg_power = analog.probe_avg_mag_sqrd_f(0, 1)
        self.pack_rx_bits = blocks.pack_k_bits_bb(8)
        self.pack_msg_bits = blocks.pack_k_bits_bb(8)
        self.glfsr = digital.glfsr_source_b(8, True, 0, 1)
        self.four_level_symbol_mapper_0 = four_level_symbol_mapper(
            symbol_map=[-1,1],
        )
        self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bf(([-1,1]), 1)
        self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float*1, samp_per_sym)
        self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_float*1, samp_per_sym)
        self.blocks_add_xx_0 = blocks.add_vff(1)
        self.ber_sink = blocks.vector_sink_f(1)
        self.ber_measure = fec.ber_bf(True, min_errors, -7.0)
        self.analog_fastnoise_source_x_0 = analog.fastnoise_source_f(analog.GR_GAUSSIAN, math.sqrt(noise_variance), 0, 8192)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_fastnoise_source_x_0, 0), (self.blocks_add_xx_0, 1))    
        self.connect((self.ber_measure, 0), (self.ber_sink, 0))    
        self.connect((self.blocks_add_xx_0, 0), (self.blocks_keep_one_in_n_0, 0))    
        self.connect((self.blocks_keep_one_in_n_0, 0), (self.four_level_symbol_mapper_0, 0))    
        self.connect((self.blocks_repeat_0, 0), (self.blocks_add_xx_0, 0))    
        self.connect((self.blocks_repeat_0, 0), (self.probe_avg_power, 0))    
        self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_repeat_0, 0))    
        self.connect((self.four_level_symbol_mapper_0, 0), (self.sample_counter, 0))    
        self.connect((self.glfsr, 0), (self.digital_chunks_to_symbols_xx_0, 0))    
        self.connect((self.glfsr, 0), (self.pack_msg_bits, 0))    
        self.connect((self.pack_msg_bits, 0), (self.ber_measure, 0))    
        self.connect((self.pack_rx_bits, 0), (self.ber_measure, 1))    
        self.connect((self.sample_counter, 0), (self.pack_rx_bits, 0))    
Example #2
0
    def __init__(self, ebn0, nbits):
        gr.hier_block2.__init__(self, 'FSK',
            gr.io_signature(1, 1, gr.sizeof_char),
            gr.io_signature(1, 1, gr.sizeof_char))

        samp_rate = 48e3
        sps = 5
        deviation = 5000
        bt = 1.0
        self.head = blocks.head(gr.sizeof_char, nbits)
        self.pack = blocks.pack_k_bits_bb(8)
        self.modulator = digital.gfsk_mod(
            samples_per_symbol = sps,
            sensitivity = 2*np.pi*deviation/samp_rate,
            bt = bt,
            verbose = False,
            log = False)
        
        spb = sps
        self.channel = channels.channel_model(np.sqrt(spb)/10**(ebn0/20), 0, 1.0, [1], RAND_SEED, False)

        self.demod = fsk_demodulator(samp_rate/sps, samp_rate, deviation = deviation, iq = True)
        self.slice = digital.binary_slicer_fb()

        self.connect(self, self.head, self.pack, self.modulator, self.channel,
                         self.demod, self.slice, self)
Example #3
0
    def __init__(self, delay):
        gr.top_block.__init__(self, "Top Block")

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32000
        self.delay = delay = delay

        ##################################################
        # Blocks
        ##################################################
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate * 20,True)
        self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
        self.blocks_head_1 = blocks.head(gr.sizeof_char*1, 393460)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/gr-ITpp/examples/Simula\xc3\xa7\xc3\xa3o BPSK/Transmiss\xc3\xa3o RedDot Usando ConstellationMod/output.data', True)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/gr-ITpp/examples/Simula\xc3\xa7\xc3\xa3o BPSK/Transmiss\xc3\xa3o RedDot Usando ConstellationMod/output2.data', False)
        self.blocks_file_sink_0.set_unbuffered(False)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_char*1, int(delay))
        self.ITpp_BCH_Decoder_0 = ITpp.BCH_Decoder(15, 2)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.ITpp_BCH_Decoder_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
        self.connect((self.blocks_delay_0, 0), (self.ITpp_BCH_Decoder_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_head_1, 0), (self.blocks_file_sink_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_head_1, 0))
        self.connect((self.blocks_throttle_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_delay_0, 0))
Example #4
0
    def __init__(self):
        gr.top_block.__init__(self, "Blight 1 Solution")

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32000

        ##################################################
        # Blocks
        ##################################################
        self.digital_gfsk_demod_0 = digital.gfsk_demod(
        	samples_per_symbol=2,
        	sensitivity=1.0,
        	gain_mu=0.175,
        	mu=0.5,
        	omega_relative_limit=0.005,
        	freq_error=0.0,
        	verbose=False,
        	log=False,
        )
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, 'dist/blight1a.bin', False)
        self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, OUT_DIR + 'blight1a_soln.out', False)
        self.blocks_file_sink_0.set_unbuffered(False)



        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_file_source_0, 0), (self.digital_gfsk_demod_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_file_sink_0, 0))
        self.connect((self.digital_gfsk_demod_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
Example #5
0
	def __init__(self):
		gr.top_block.__init__(self, "Wmbus Phy2")

		##################################################
		# Variables
		##################################################
		self.frame = frame = [1,1]

		##################################################
		# Blocks
		##################################################
		self.gr_vector_source_x_0 = blocks.vector_source_b((frame), False, 1)
		self.gr_vector_sink_x_1 = blocks.vector_sink_b(1)
		self.gr_vector_sink_x_0 = blocks.vector_sink_b(1)
		self.gr_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(4, gr.GR_MSB_FIRST)
		self.gr_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(6)
		self.digital_map_bb_1 = digital.map_bb(([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1]))
		self.digital_map_bb_0 = digital.map_bb(([16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 3, 16, 1, 2, 16, 16, 16, 16, 7, 16, 16, 0, 16, 16, 5, 6, 16, 4, 16, 16, 16, 16, 16, 16, 11, 16, 9, 10, 16, 16, 15, 16, 16, 8, 16, 16, 16, 16, 13, 14, 16, 12, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16]))

		##################################################
		# Connections
		##################################################
		self.connect((self.gr_vector_source_x_0, 0), (self.gr_pack_k_bits_bb_0, 0))
		self.connect((self.gr_pack_k_bits_bb_0, 0), (self.digital_map_bb_0, 0))
		self.connect((self.digital_map_bb_0, 0), (self.gr_unpacked_to_packed_xx_0, 0))
		self.connect((self.gr_unpacked_to_packed_xx_0, 0), (self.gr_vector_sink_x_0, 0))
		self.connect((self.digital_map_bb_0, 0), (self.digital_map_bb_1, 0))
		self.connect((self.digital_map_bb_1, 0), (self.gr_vector_sink_x_1, 0))
Example #6
0
    def __init__(self):
        gr.top_block.__init__(self, "Top Block")

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32000
        self.delay = delay = 0

        ##################################################
        # Blocks
        ##################################################
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate * 20,True)
        self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
        self.blocks_head_1 = blocks.head(gr.sizeof_char*1, int(7 * 200e3 * 15/15))
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/gr-ITpp/examples/BPSK Ladams/27-06-2019 (BER Sem Diff)/Com C\xc3\xb3digo/output2.data', True)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/gr-ITpp/examples/BPSK Ladams/27-06-2019 (BER Sem Diff)/Com C\xc3\xb3digo/output3.data', False)
        self.blocks_file_sink_0.set_unbuffered(False)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_char*1, int(delay))
        self.ITpp_BCH_Decoder_0 = ITpp.BCH_Decoder(15, 2)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.ITpp_BCH_Decoder_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
        self.connect((self.blocks_delay_0, 0), (self.ITpp_BCH_Decoder_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_head_1, 0), (self.blocks_file_sink_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_head_1, 0))
        self.connect((self.blocks_throttle_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_delay_0, 0))
Example #7
0
    def __init__(self, ebn0, nbits):
        gr.hier_block2.__init__(self, 'BPSK',
            gr.io_signature(1, 1, gr.sizeof_char),
            gr.io_signature(1, 1, gr.sizeof_char))

        samp_rate = 48e3
        sps = 5
        self.head = blocks.head(gr.sizeof_char, nbits)
        self.pack = blocks.pack_k_bits_bb(8)
        self.bpsk_constellation = digital.constellation_bpsk().base()
        self.modulator = digital.generic_mod(
            constellation = self.bpsk_constellation,
            differential = False,
            samples_per_symbol = sps,
            pre_diff_code = True,
            excess_bw = 0.35,
            verbose = False,
            log = False)
        
        spb = sps
        self.channel = channels.channel_model(np.sqrt(spb)/10**(ebn0/20), 0, 1.0, [1], RAND_SEED, False)

        self.demod = bpsk_demodulator(samp_rate/sps, samp_rate, iq = True)
        self.slice = digital.binary_slicer_fb()

        self.connect(self, self.head, self.pack, self.modulator, self.channel,
                         self.demod, self.slice, self)
Example #8
0
    def test_004(self):
        # Test tags propagation

        # Tags on the incoming bits
        src_data = [1, 0, 1, 1, 0, 0, 0, 1]
        #src_tag_offsets = [1, 2, 3, 5, 6]
        src_tag_offsets = [1, 2, 3, 5, 6, 7]

        # Ground Truth
        expected_data = [2, 3, 0, 1]
        expected_tag_offsets = [0, 1, 1, 2, 3, 3]

        test_tags = list()
        tag_indexs = range(len(src_tag_offsets))
        for src_tag in tag_indexs:
            test_tags.append(
                gr.tag_utils.python_to_tag(
                    (src_tag_offsets[src_tag], pmt.intern('tag_byte'),
                     pmt.from_long(src_tag), None)))

        src = blocks.vector_source_b(src_data, False, 1, test_tags)
        op = blocks.pack_k_bits_bb(2)
        dst = blocks.vector_sink_b()
        self.tb.connect(src, op, dst)
        self.tb.run()

        # Check the data
        self.assertEqual(expected_data, dst.data())

        # Check the tag values
        self.assertEqual(list(tag_indexs),
                         [pmt.to_python(x.value) for x in dst.tags()])

        # Check the tag offsets
        self.assertEqual(expected_tag_offsets, [x.offset for x in dst.tags()])
Example #9
0
    def __init__(self,
                 encoder_obj_list,
                 puncpat=None,
                 lentagname=None,
                 mtu=1500):
        gr.hier_block2.__init__(self, "extended_tagged_encoder",
                                gr.io_signature(1, 1, gr.sizeof_char),
                                gr.io_signature(1, 1, gr.sizeof_char))

        self.blocks = []
        self.puncpat = puncpat

        # If it's a list of encoders, take the first one, unless it's
        # a list of lists of encoders.
        if (type(encoder_obj_list) == list):
            # This block doesn't handle parallelism of > 1
            # We could just grab encoder [0][0], but we don't want to encourage this.
            if (type(encoder_obj_list[0]) == list):
                gr.log.info(
                    "fec.extended_tagged_encoder: Parallelism must be 0 or 1.")
                raise AttributeError

            encoder_obj = encoder_obj_list[0]

        # Otherwise, just take it as is
        else:
            encoder_obj = encoder_obj_list

        # If lentagname is None, fall back to using the non tagged
        # stream version
        if type(lentagname) == str:
            if (lentagname.lower() == 'none'):
                lentagname = None

        if fec.get_encoder_input_conversion(encoder_obj) == "pack":
            self.blocks.append(blocks.pack_k_bits_bb(8))

        if (not lentagname):
            self.blocks.append(
                fec.encoder(encoder_obj, gr.sizeof_char, gr.sizeof_char))
        else:
            self.blocks.append(
                fec.tagged_encoder(encoder_obj, gr.sizeof_char, gr.sizeof_char,
                                   lentagname, mtu))

        if self.puncpat != '11':
            self.blocks.append(
                fec.puncture_bb(len(puncpat), read_bitlist(puncpat), 0))

        # Connect the input to the encoder and the output to the
        # puncture if used or the encoder if not.
        self.connect((self, 0), (self.blocks[0], 0))
        self.connect((self.blocks[-1], 0), (self, 0))

        # If using the puncture block, add it into the flowgraph after
        # the encoder.
        for i in range(len(self.blocks) - 1):
            self.connect((self.blocks[i], 0), (self.blocks[i + 1], 0))
Example #10
0
 def test_003(self):
     src_data = expected_results = map(lambda x: random.randint(0,3), range(10));
     src = blocks.vector_source_b( src_data );
     pack = blocks.pack_k_bits_bb(2);
     unpack = blocks.unpack_k_bits_bb(2);
     snk = blocks.vector_sink_b();
     self.tb.connect(src,unpack,pack,snk);
     self.tb.run()
     self.assertEqual(list(expected_results), list(snk.data()));
Example #11
0
 def test_003(self):
     src_data = expected_results = [random.randint(0, 3) for x in range(10)]
     src = blocks.vector_source_b(src_data)
     pack = blocks.pack_k_bits_bb(2)
     unpack = blocks.unpack_k_bits_bb(2)
     snk = blocks.vector_sink_b()
     self.tb.connect(src, unpack, pack, snk)
     self.tb.run()
     self.assertEqual(list(expected_results), list(snk.data()))
Example #12
0
 def test_001(self):
     src_data =              (1,0,1,1,0,1,1,0)
     expected_results =      (1,0,1,1,0,1,1,0)
     src = blocks.vector_source_b(src_data,False)
     op = blocks.pack_k_bits_bb(1)
     dst = blocks.vector_sink_b()
     self.tb.connect(src, op, dst)
     self.tb.run()
     self.assertEqual(expected_results, dst.data())
Example #13
0
 def test_001(self):
     src_data = [1, 0, 1, 1, 0, 1, 1, 0]
     expected_results = [1, 0, 1, 1, 0, 1, 1, 0]
     src = blocks.vector_source_b(src_data, False)
     op = blocks.pack_k_bits_bb(1)
     dst = blocks.vector_sink_b()
     self.tb.connect(src, op, dst)
     self.tb.run()
     self.assertEqual(expected_results, dst.data())
Example #14
0
    def __init__(self,
                 generic_encoder=0,
                 generic_decoder=0,
                 esno=0,
                 samp_rate=3200000,
                 threading="capillary",
                 puncpat='11',
                 seed=0):
        gr.hier_block2.__init__(self, "fec_test",
                                gr.io_signature(1, 1, gr.sizeof_char * 1),
                                gr.io_signature(2, 2, gr.sizeof_char * 1))

        self.generic_encoder = generic_encoder
        self.generic_decoder = generic_decoder
        self.esno = esno
        self.samp_rate = samp_rate
        self.threading = threading
        self.puncpat = puncpat

        self.map_bb = digital.map_bb(([-1, 1]))
        self.b2f = blocks.char_to_float(1, 1)

        self.unpack8 = blocks.unpack_k_bits_bb(8)
        self.pack8 = blocks.pack_k_bits_bb(8)

        self.encoder = extended_encoder(encoder_obj_list=generic_encoder,
                                        threading=threading,
                                        puncpat=puncpat)

        self.decoder = extended_decoder(decoder_obj_list=generic_decoder,
                                        threading=threading,
                                        ann=None,
                                        puncpat=puncpat,
                                        integration_period=10000,
                                        rotator=None)

        noise = math.sqrt((10.0**(-esno / 10.0)) / 2.0)
        #self.fastnoise = analog.fastnoise_source_f(analog.GR_GAUSSIAN, noise, seed, 8192)
        self.fastnoise = analog.noise_source_f(analog.GR_GAUSSIAN, noise, seed)
        self.addnoise = blocks.add_ff(1)

        # Send packed input directly to the second output
        self.copy_packed = blocks.copy(gr.sizeof_char)
        self.connect(self, self.copy_packed)
        self.connect(self.copy_packed, (self, 1))

        # Unpack inputl encode, convert to +/-1, add noise, decode, repack
        self.connect(self, self.unpack8)
        self.connect(self.unpack8, self.encoder)
        self.connect(self.encoder, self.map_bb)
        self.connect(self.map_bb, self.b2f)
        self.connect(self.b2f, (self.addnoise, 0))
        self.connect(self.fastnoise, (self.addnoise, 1))
        self.connect(self.addnoise, self.decoder)
        self.connect(self.decoder, self.pack8)
        self.connect(self.pack8, (self, 0))
Example #15
0
 def test_002(self):
     src_data =              (1,0,1,1,0,0,0,1)
     expected_results =      (  2,  3,  0,  1)
     src = blocks.vector_source_b(src_data,False)
     op = blocks.pack_k_bits_bb(2)
     dst = blocks.vector_sink_b()
     self.tb.connect(src, op, dst)
     self.tb.run()
     #self.assertEqual(expected_results, dst.data())
     self.assertEqual(expected_results, dst.data())
    def __init__(self, encoder_obj_list, puncpat=None, lentagname=None):
        gr.hier_block2.__init__(self, "extended_tagged_encoder",
                                gr.io_signature(1, 1, gr.sizeof_char),
                                gr.io_signature(1, 1, gr.sizeof_char))

        self.blocks=[]
        self.puncpat=puncpat

        # If it's a list of encoders, take the first one, unless it's
        # a list of lists of encoders.
        if(type(encoder_obj_list) == list):
            # This block doesn't handle parallelism of > 1
            # We could just grab encoder [0][0], but we don't want to encourage this.
            if(type(encoder_obj_list[0]) == list):
                gr.log.info("fec.extended_tagged_encoder: Parallelism must be 0 or 1.")
                raise AttributeError

            encoder_obj = encoder_obj_list[0]

        # Otherwise, just take it as is
        else:
            encoder_obj = encoder_obj_list

        # If lentagname is None, fall back to using the non tagged
        # stream version
        if type(lentagname) == str:
            if(lentagname.lower() == 'none'):
                lentagname = None

        if fec.get_encoder_input_conversion(encoder_obj) == "pack":
            self.blocks.append(blocks.pack_k_bits_bb(8))

        if(not lentagname):
            self.blocks.append(fec.encoder(encoder_obj,
                                           gr.sizeof_char,
                                           gr.sizeof_char))
        else:
            self.blocks.append(fec.tagged_encoder(encoder_obj,
                                                  gr.sizeof_char,
                                                  gr.sizeof_char,
                                                  lentagname))

        if self.puncpat != '11':
            self.blocks.append(fec.puncture_bb(len(puncpat), read_bitlist(puncpat), 0))

        # Connect the input to the encoder and the output to the
        # puncture if used or the encoder if not.
        self.connect((self, 0), (self.blocks[0], 0));
        self.connect((self.blocks[-1], 0), (self, 0));

        # If using the puncture block, add it into the flowgraph after
        # the encoder.
        for i in range(len(self.blocks) - 1):
            self.connect((self.blocks[i], 0), (self.blocks[i+1], 0));
Example #17
0
    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.lowpass2 = lowpass2 = 10e3
        self.lowpass = lowpass = 10e3
        self.base = base = "/home/ali/Documents/UTAT/GNURadio/2018-12-28/es_pipe_U@?U@?U@?"
        self.samp_rate = samp_rate = 4003200
        self.filename_2_0 = filename_2_0 = base+"_mmclock"
        self.filename_2 = filename_2 = base+"_bits"
        self.filename_1 = filename_1 = base+"_quaddemod_lpf_"+str((lowpass/1000.0))+"lpf2_"+str((lowpass2/1000.0))
        self.filename_0 = filename_0 = base+"_quaddemod_lpf_"+str((lowpass/1000.0))
        self.filename = filename = base+"_lpf_"+str((lowpass/1000.0))

        ##################################################
        # Blocks
        ##################################################
        self.low_pass_filter_1 = filter.fir_filter_fff(1, firdes.low_pass(
        	1, samp_rate, lowpass2, lowpass2, firdes.WIN_HAMMING, 6.76))
        self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
        	1, samp_rate, lowpass, lowpass/3, firdes.WIN_HAMMING, 6.76))
        self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(417*(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.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, base, False)
        self.blocks_file_sink_0_2 = blocks.file_sink(gr.sizeof_float*1, filename_2_0, False)
        self.blocks_file_sink_0_2.set_unbuffered(False)
        self.blocks_file_sink_0_1_0 = blocks.file_sink(gr.sizeof_char*1, filename_2, False)
        self.blocks_file_sink_0_1_0.set_unbuffered(False)
        self.blocks_add_const_vxx_0 = blocks.add_const_vff((-15, ))
        self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -1e6, 1, 0)
        self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(2123.8262)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_1, 0))
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.blocks_add_const_vxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_file_sink_0_1_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_xx_0, 0))
        self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
        self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.blocks_file_sink_0_2, 0))
        self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
        self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
        self.connect((self.low_pass_filter_1, 0), (self.blocks_add_const_vxx_0, 0))
Example #18
0
    def test_extended_pack_data(self):
        # test if extended encoder gets correct values for input and output
        # conversion.
        n_frames = 10
        frame_size = 32

        data = np.random.randint(0, 2, n_frames * frame_size)
        data.dtype = np.uint8
        packed_data = np.packbits(data)

        tb = gr.top_block()

        src = blocks.vector_source_b(data)
        snk0 = blocks.vector_sink_b(1)
        snk1 = blocks.vector_sink_b(1)
        snk2 = blocks.vector_sink_b(1)
        snk3 = blocks.vector_sink_b(1)

        packer = blocks.pack_k_bits_bb(8)
        tb.connect(src, packer, snk0)

        enc_unpacked = fec.dummy_encoder_make(frame_size, False, False)
        ext_enc_unp = extended_encoder(enc_unpacked,
                                       threading='none',
                                       puncpat='11')
        tb.connect(src, ext_enc_unp, snk1)

        enc_pack = fec.dummy_encoder_make(frame_size // 8, True, False)
        ext_enc_pack = extended_encoder(enc_pack,
                                        threading='none',
                                        puncpat='11')
        tb.connect(src, ext_enc_pack, snk2)

        enc_packed_bits = fec.dummy_encoder_make(frame_size // 8, False, True)
        ext_enc_packed_bits = extended_encoder(enc_packed_bits,
                                               threading='none',
                                               puncpat='11')
        tb.connect(packer, ext_enc_packed_bits, snk3)

        tb.run()

        r0 = snk0.data()
        r1 = snk1.data()
        r2 = snk2.data()
        r3 = snk3.data()

        data = list(data)
        packed_data = list(packed_data)
        self.assertListEqual(packed_data, r0)
        self.assertListEqual(data, r1)
        self.assertListEqual(packed_data, r2)
        self.assertListEqual(data, r3)
Example #19
0
    def __init__(self, encoder_obj_list, threading, puncpat=None):
        gr.hier_block2.__init__(self, "extended_encoder",
                                gr.io_signature(1, 1, gr.sizeof_char),
                                gr.io_signature(1, 1, gr.sizeof_char))

        self.blocks = []
        self.puncpat = puncpat

        if (type(encoder_obj_list) == list):
            if (type(encoder_obj_list[0]) == list):
                gr.log.info("fec.extended_encoder: Parallelism must be 1.")
                raise AttributeError
        else:
            # If it has parallelism of 0, force it into a list of 1
            encoder_obj_list = [
                encoder_obj_list,
            ]

        if fec.get_encoder_input_conversion(encoder_obj_list[0]) == "pack":
            self.blocks.append(blocks.pack_k_bits_bb(8))

        if threading == 'capillary':
            self.blocks.append(
                capillary_threaded_encoder(encoder_obj_list, gr.sizeof_char,
                                           gr.sizeof_char))
        elif threading == 'ordinary':
            self.blocks.append(
                threaded_encoder(encoder_obj_list, gr.sizeof_char,
                                 gr.sizeof_char))
        else:
            self.blocks.append(
                fec.encoder(encoder_obj_list[0], gr.sizeof_char,
                            gr.sizeof_char))

        if fec.get_encoder_output_conversion(
                encoder_obj_list[0]) == "packed_bits":
            self.blocks.append(blocks.packed_to_unpacked_bb(
                1, gr.GR_MSB_FIRST))

        if self.puncpat != '11':
            self.blocks.append(
                fec.puncture_bb(len(puncpat), read_bitlist(puncpat), 0))

        # Connect the input to the encoder and the output to the
        # puncture if used or the encoder if not.
        self.connect((self, 0), (self.blocks[0], 0))
        self.connect((self.blocks[-1], 0), (self, 0))

        # If using the puncture block, add it into the flowgraph after
        # the encoder.
        for i in range(len(self.blocks) - 1):
            self.connect((self.blocks[i], 0), (self.blocks[i + 1], 0))
Example #20
0
    def __init__(self,mod,delay=0,n_0=0,min_errors=100):
        ModMeasurementGraph.__init__(self, mod, "BER Measurement")
        self.__probe_thread = None
        self._did_timeout = False  
                
        # Blocks
        self.src = digital.glfsr_source_b(8, True, 0, 1)
        # self.src = blocks.vector_source_b(np.concatenate((np.ones(5,dtype='B'),np.zeros(10,dtype='B'))).tolist(),True)
        # self.src = blocks.vector_source_b(np.zeros(10,dtype='B').tolist(),True)
        self.noise = analog.noise_source_c(analog.GR_GAUSSIAN, math.sqrt(float(n_0)), 0)
        self.delay = blocks.delay(gr.sizeof_char,delay)
        self.add = blocks.add_vcc(1)
        self.skiphead_orig = blocks.skiphead(gr.sizeof_char,500)
        self.skiphead_rx = blocks.skiphead(gr.sizeof_char,500)

        self.pack_rx_bits = blocks.pack_k_bits_bb(8)
        self.pack_msg_bits = blocks.pack_k_bits_bb(8)
        self.ber_measure = fec.ber_bf(True, min_errors, -7.0)
        self.ber_sink = blocks.vector_sink_f(1)
                
        # Connections
        self.connect(self.src,self.mod_in_bits)

        # Adding noise to tx output of mod
        self.connect(self.mod_out_signal,(self.add,0))
        self.connect(self.noise,(self.add,1))
        self.connect(self.add,self.mod_in_signal)

        # Rx bits from mod to ber measure
        self.connect(self.mod_out_bits,self.skiphead_rx)
        self.connect(self.skiphead_rx,self.pack_rx_bits)
        self.connect(self.pack_rx_bits,(self.ber_measure,1))

        # delayed bits to ber measure
        self.connect(self.src,self.delay)
        self.connect(self.delay,self.skiphead_orig)
        self.connect(self.skiphead_orig,self.pack_msg_bits)
        self.connect(self.pack_msg_bits,(self.ber_measure,0))  
        self.connect(self.ber_measure,self.ber_sink)
 def test_009_t (self):
     preamble = [2, 4, 8, 16]
     pre_len = len(preamble);
     src_data = (2, 4, 8, 16, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 17, 18, 19, 20, 21, 22, 23, 24)
     expected_result = (31, 172, 240, 0)
     src = blocks.vector_source_b(src_data)
     dst = blocks.vector_sink_b()
     pck = blocks.pack_k_bits_bb(8)
     dtct = frame_detection.preamble_detector_bb(preamble, pre_len, 16, 8)
     self.tb.connect(src, dtct)
     self.tb.connect(dtct, pck, dst)        
     self.tb.run ()
     result_data = dst.data()
     self.assertEqual(expected_result, result_data)
Example #22
0
    def __init__(self, generic_encoder=0, generic_decoder=0, esno=0,
                 samp_rate=3200000, threading="capillary", puncpat='11',
                 seed=0):
        gr.hier_block2.__init__(self, "fec_test",
                                gr.io_signature(1, 1, gr.sizeof_char*1),
                                gr.io_signature(2, 2, gr.sizeof_char*1))

        self.generic_encoder = generic_encoder
        self.generic_decoder = generic_decoder
        self.esno = esno
        self.samp_rate = samp_rate
        self.threading = threading
        self.puncpat = puncpat

        self.map_bb = digital.map_bb(([-1, 1]))
        self.b2f = blocks.char_to_float(1, 1)

        self.unpack8 = blocks.unpack_k_bits_bb(8)
        self.pack8 = blocks.pack_k_bits_bb(8)

        self.encoder = extended_encoder(encoder_obj_list=generic_encoder,
                                        threading=threading,
                                        puncpat=puncpat)

        self.decoder = extended_decoder(decoder_obj_list=generic_decoder,
                                        threading=threading,
                                        ann=None, puncpat=puncpat,
                                        integration_period=10000, rotator=None)

        noise = math.sqrt((10.0**(-esno/10.0))/2.0)
        #self.fastnoise = analog.fastnoise_source_f(analog.GR_GAUSSIAN, noise, seed, 8192)
        self.fastnoise = analog.noise_source_f(analog.GR_GAUSSIAN, noise, seed)
        self.addnoise = blocks.add_ff(1)

        # Send packed input directly to the second output
        self.copy_packed = blocks.copy(gr.sizeof_char)
        self.connect(self, self.copy_packed)
        self.connect(self.copy_packed, (self, 1))

        # Unpack inputl encode, convert to +/-1, add noise, decode, repack
        self.connect(self, self.unpack8)
        self.connect(self.unpack8, self.encoder)
        self.connect(self.encoder, self.map_bb)
        self.connect(self.map_bb, self.b2f)
        self.connect(self.b2f, (self.addnoise, 0))
        self.connect(self.fastnoise, (self.addnoise,1))
        self.connect(self.addnoise, self.decoder)
        self.connect(self.decoder, self.pack8)
        self.connect(self.pack8, (self, 0))
Example #23
0
 def test_009_t(self):
     preamble = [2, 4, 8, 16]
     pre_len = len(preamble)
     src_data = (2, 4, 8, 16, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0,
                 0, 17, 18, 19, 20, 21, 22, 23, 24)
     expected_result = (31, 172, 240, 0)
     src = blocks.vector_source_b(src_data)
     dst = blocks.vector_sink_b()
     pck = blocks.pack_k_bits_bb(8)
     dtct = frame_detection.preamble_detector_bb(preamble, pre_len, 16, 8)
     self.tb.connect(src, dtct)
     self.tb.connect(dtct, pck, dst)
     self.tb.run()
     result_data = dst.data()
     self.assertEqual(expected_result, result_data)
 def test_010_t (self):
     preamble = [2, 4, 8, 16]
     pre_len = len(preamble);
     src_data = (2, 4, 8, 16, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 2, 4, 8, 16, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0)
     #expected_result = (0, 0, 0, 255, 255, 255, 255, 255, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 255, 255, 255, 255, 255, 1, 0, 1, 0, 1, 0, 1, 0)
     expected_result = (31, 173, 15, 31, 170, 150)
     src = blocks.vector_source_b(src_data)
     dst = blocks.vector_sink_b()
     pck = blocks.pack_k_bits_bb(8)
     dtct = frame_detection.preamble_detector_bb(preamble, pre_len, 16, 8)
     self.maxDiff = None
     self.tb.connect(src, dtct)
     self.tb.connect(dtct, pck,  dst)        
     self.tb.run ()
     result_data = dst.data()
     self.assertEqual(expected_result, result_data)
Example #25
0
    def __init__(self, encoder_obj_list, threading, puncpat=None):
        gr.hier_block2.__init__(self, "extended_encoder",
                                gr.io_signature(1, 1, gr.sizeof_char),
                                gr.io_signature(1, 1, gr.sizeof_char))

        self.blocks=[]
        self.puncpat=puncpat

        if(type(encoder_obj_list) == list):
            if(type(encoder_obj_list[0]) == list):
                gr.log.info("fec.extended_encoder: Parallelism must be 1.")
                raise AttributeError
        else:
            # If it has parallelism of 0, force it into a list of 1
            encoder_obj_list = [encoder_obj_list,]

        if fec.get_encoder_input_conversion(encoder_obj_list[0]) == "pack":
            self.blocks.append(blocks.pack_k_bits_bb(8))

        if threading == 'capillary':
            self.blocks.append(capillary_threaded_encoder(encoder_obj_list,
                                                          gr.sizeof_char,
                                                          gr.sizeof_char))
        elif threading == 'ordinary':
            self.blocks.append(threaded_encoder(encoder_obj_list,
                                                gr.sizeof_char,
                                                gr.sizeof_char))
        else:
            self.blocks.append(fec.encoder(encoder_obj_list[0],
                                           gr.sizeof_char,
                                           gr.sizeof_char))

        if fec.get_encoder_output_conversion(encoder_obj_list[0]) == "packed_bits":
            self.blocks.append(blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST))

        if self.puncpat != '11':
            self.blocks.append(fec.puncture_bb(len(puncpat), read_bitlist(puncpat), 0))

        # Connect the input to the encoder and the output to the
        # puncture if used or the encoder if not.
        self.connect((self, 0), (self.blocks[0], 0));
        self.connect((self.blocks[-1], 0), (self, 0));

        # If using the puncture block, add it into the flowgraph after
        # the encoder.
        for i in range(len(self.blocks) - 1):
            self.connect((self.blocks[i], 0), (self.blocks[i+1], 0));
    def __init__(self):
        gr.hier_block2.__init__(
            self,
            'SI4463 scrambler',
            gr.io_signature(0, 0, 0),
            gr.io_signature(0, 0, 0),
        )
        self.message_port_register_hier_in('in')
        self.message_port_register_hier_out('out')

        ##################################################
        # Blocks
        ##################################################
        self.digital_additive_scrambler_bb_0_0 = (
            digital.additive_scrambler_bb(
                0x21, 0x1e1, 8, count=0, bits_per_byte=1,
                reset_tag_key="packet_len"))
        self.blocks_tagged_stream_to_pdu_0_0 = (
            blocks.tagged_stream_to_pdu(blocks.byte_t, 'packet_len'))
        self.blocks_tagged_stream_multiply_length_0 = (
            blocks.tagged_stream_multiply_length(gr.sizeof_char*1,
                                                 'packet_len', 1.0/8))
        self.blocks_pdu_to_tagged_stream_0 = (
            blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len'))
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect(
            (self.blocks_tagged_stream_to_pdu_0_0, 'pdus'), (self, 'out'))
        self.msg_connect(
            (self, 'in'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
        self.connect(
            (self.blocks_pack_k_bits_bb_0, 0),
            (self.blocks_tagged_stream_multiply_length_0, 0))
        self.connect(
            (self.blocks_pdu_to_tagged_stream_0, 0),
            (self.digital_additive_scrambler_bb_0_0, 0))
        self.connect(
            (self.blocks_tagged_stream_multiply_length_0, 0),
            (self.blocks_tagged_stream_to_pdu_0_0, 0))
        self.connect(
            (self.digital_additive_scrambler_bb_0_0, 0),
            (self.blocks_pack_k_bits_bb_0, 0))
Example #27
0
    def test_extended_pack_data(self):
        # test if extended encoder gets correct values for input and output conversion.
        n_frames = 10
        frame_size = 32

        data = np.random.randint(0, 2, n_frames * frame_size)
        data.dtype = np.uint8
        packed_data = np.packbits(data)

        tb = gr.top_block()

        src = blocks.vector_source_b(data)
        snk0 = blocks.vector_sink_b(1)
        snk1 = blocks.vector_sink_b(1)
        snk2 = blocks.vector_sink_b(1)
        snk3 = blocks.vector_sink_b(1)

        packer = blocks.pack_k_bits_bb(8)
        tb.connect(src, packer, snk0)

        enc_unpacked = fec.dummy_encoder_make(frame_size, False, False)
        ext_enc_unp = extended_encoder(enc_unpacked, threading='none', puncpat='11')
        tb.connect(src, ext_enc_unp, snk1)

        enc_pack = fec.dummy_encoder_make(frame_size // 8, True, False)
        ext_enc_pack = extended_encoder(enc_pack, threading='none', puncpat='11')
        tb.connect(src, ext_enc_pack, snk2)

        enc_packed_bits = fec.dummy_encoder_make(frame_size // 8, False, True)
        ext_enc_packed_bits = extended_encoder(enc_packed_bits, threading='none', puncpat='11')
        tb.connect(packer, ext_enc_packed_bits, snk3)

        tb.run()

        r0 = snk0.data()
        r1 = snk1.data()
        r2 = snk2.data()
        r3 = snk3.data()

        data = tuple(data)
        packed_data = tuple(packed_data)
        self.assertTupleEqual(packed_data, r0)
        self.assertTupleEqual(data, r1)
        self.assertTupleEqual(packed_data, r2)
        self.assertTupleEqual(data, r3)
Example #28
0
 def test_010_t(self):
     preamble = [2, 4, 8, 16]
     pre_len = len(preamble)
     src_data = (2, 4, 8, 16, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1,
                 1, 2, 4, 8, 16, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1,
                 1, 0)
     #expected_result = (0, 0, 0, 255, 255, 255, 255, 255, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 255, 255, 255, 255, 255, 1, 0, 1, 0, 1, 0, 1, 0)
     expected_result = (31, 173, 15, 31, 170, 150)
     src = blocks.vector_source_b(src_data)
     dst = blocks.vector_sink_b()
     pck = blocks.pack_k_bits_bb(8)
     dtct = frame_detection.preamble_detector_bb(preamble, pre_len, 16, 8)
     self.maxDiff = None
     self.tb.connect(src, dtct)
     self.tb.connect(dtct, pck, dst)
     self.tb.run()
     result_data = dst.data()
     self.assertEqual(expected_result, result_data)
Example #29
0
    def __init__(self):
        gr.top_block.__init__(self, "Wmbus Phy2")

        ##################################################
        # Variables
        ##################################################
        self.frame = frame = [1, 1]

        ##################################################
        # Blocks
        ##################################################
        self.gr_vector_source_x_0 = blocks.vector_source_b((frame), False, 1)
        self.gr_vector_sink_x_1 = blocks.vector_sink_b(1)
        self.gr_vector_sink_x_0 = blocks.vector_sink_b(1)
        self.gr_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(
            4, gr.GR_MSB_FIRST)
        self.gr_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(6)
        self.digital_map_bb_1 = digital.map_bb(
            ([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]))
        self.digital_map_bb_0 = digital.map_bb(([
            16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 3, 16, 1, 2, 16, 16,
            16, 16, 7, 16, 16, 0, 16, 16, 5, 6, 16, 4, 16, 16, 16, 16, 16, 16,
            11, 16, 9, 10, 16, 16, 15, 16, 16, 8, 16, 16, 16, 16, 13, 14, 16,
            12, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
        ]))

        ##################################################
        # Connections
        ##################################################
        self.connect((self.gr_vector_source_x_0, 0),
                     (self.gr_pack_k_bits_bb_0, 0))
        self.connect((self.gr_pack_k_bits_bb_0, 0), (self.digital_map_bb_0, 0))
        self.connect((self.digital_map_bb_0, 0),
                     (self.gr_unpacked_to_packed_xx_0, 0))
        self.connect((self.gr_unpacked_to_packed_xx_0, 0),
                     (self.gr_vector_sink_x_0, 0))
        self.connect((self.digital_map_bb_0, 0), (self.digital_map_bb_1, 0))
        self.connect((self.digital_map_bb_1, 0), (self.gr_vector_sink_x_1, 0))
Example #30
0
    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))
Example #31
0
def main(args):
    nargs = len(args)
    if nargs == 1:
        infile = args[0]
        outfile = None
    elif nargs == 2:
        infile = args[0]
        outfile = args[1]
    else:
        sys.stderr.write("Usage: dvbs-blade.py input_file [output_file]\n")
        sys.exit(1)

    symbol_rate = 4500000
    samp_rate = symbol_rate * 2
    code_rate = dvbs.C1_2
    rrc_taps = 20
    center_freq = 435000000
    txvga1_gain = -4
    txvga2_gain = 1
    bandwidth = 6000000

    tb = gr.top_block()

    src = blocks.file_source(gr.sizeof_char, infile, True)

    dvbs_randomizer = dvbs.randomizer_bb()
    dvbs_reed_solomon_enc = dvbs.reed_solomon_enc_bb()
    dvbs_interleaver = dvbs.interleaver_bb()
    blocks_packed_to_unpacked = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
    trellis_encoder = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
    blocks_unpack_k_bits = blocks.unpack_k_bits_bb(2)
    dvbs_puncture = dvbs.puncture_bb(code_rate)
    blocks_pack_k_bits = blocks.pack_k_bits_bb(2)
    dvbs_modulator = dvbs.modulator_bc()
    fft_filter = filter.fft_filter_ccc(
        1, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate / 2, 0.35, rrc_taps)), 1
    )
    fft_filter.declare_sample_delay(0)

    out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
    out.set_sample_rate(samp_rate)
    out.set_center_freq(center_freq, 0)
    out.set_freq_corr(0, 0)
    out.set_gain(txvga2_gain, 0)
    out.set_bb_gain(txvga1_gain, 0)
    out.set_bandwidth(bandwidth, 0)

    tb.connect(src, dvbs_randomizer)
    tb.connect(dvbs_randomizer, dvbs_reed_solomon_enc)
    tb.connect(dvbs_reed_solomon_enc, dvbs_interleaver)
    tb.connect(dvbs_interleaver, blocks_packed_to_unpacked)
    tb.connect(blocks_packed_to_unpacked, trellis_encoder)
    tb.connect(trellis_encoder, blocks_unpack_k_bits)
    tb.connect(blocks_unpack_k_bits, dvbs_puncture)
    tb.connect(dvbs_puncture, blocks_pack_k_bits)
    tb.connect(blocks_pack_k_bits, dvbs_modulator)
    tb.connect(dvbs_modulator, fft_filter)
    tb.connect(fft_filter, out)

    if outfile:
        dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
        tb.connect(fft_filter, dst)

    tb.run()
Example #32
0
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Dvbs Tx")

        ##################################################
        # Variables
        ##################################################
        self.symbol_rate = symbol_rate = 4500000
        self.samp_rate = samp_rate = symbol_rate * 2
        self.rrc_taps = rrc_taps = 20

        ##################################################
        # Blocks
        ##################################################
        self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
        	self.GetWin(),
        	baseband_freq=435000000,
        	y_per_div=10,
        	y_divs=10,
        	ref_level=0,
        	ref_scale=2.0,
        	sample_rate=samp_rate,
        	fft_size=1024,
        	fft_rate=15,
        	average=True,
        	avg_alpha=None,
        	title="FFT Plot",
        	peak_hold=False,
        )
        self.Add(self.wxgui_fftsink2_0.win)
        self.trellis_encoder_xx_0 = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
        self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "" )
        self.osmosdr_sink_0.set_sample_rate(samp_rate)
        self.osmosdr_sink_0.set_center_freq(435e6, 0)
        self.osmosdr_sink_0.set_freq_corr(0, 0)
        self.osmosdr_sink_0.set_gain(2, 0)
        self.osmosdr_sink_0.set_if_gain(0, 0)
        self.osmosdr_sink_0.set_bb_gain(-4, 0)
        self.osmosdr_sink_0.set_antenna("", 0)
        self.osmosdr_sink_0.set_bandwidth(6000000, 0)
          
        self.fft_filter_xxx_0 = filter.fft_filter_ccc(1, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate/2, 0.35, rrc_taps)), 1)
        self.fft_filter_xxx_0.declare_sample_delay(0)
        self.dvbs_reed_solomon_enc_bb_0 = dvbs.reed_solomon_enc_bb()
        self.dvbs_randomizer_bb_0 = dvbs.randomizer_bb()
        self.dvbs_puncture_bb_0 = dvbs.puncture_bb(dvbs.C1_2)
        self.dvbs_modulator_bc_0 = dvbs.modulator_bc()
        self.dvbs_interleaver_bb_0 = dvbs.interleaver_bb()
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(2)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/re/xfer/adv.ts", False)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_file_source_0, 0), (self.dvbs_randomizer_bb_0, 0))
        self.connect((self.dvbs_randomizer_bb_0, 0), (self.dvbs_reed_solomon_enc_bb_0, 0))
        self.connect((self.dvbs_reed_solomon_enc_bb_0, 0), (self.dvbs_interleaver_bb_0, 0))
        self.connect((self.dvbs_interleaver_bb_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
        self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.trellis_encoder_xx_0, 0))
        self.connect((self.trellis_encoder_xx_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.dvbs_puncture_bb_0, 0))
        self.connect((self.dvbs_puncture_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.dvbs_modulator_bc_0, 0), (self.fft_filter_xxx_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.dvbs_modulator_bc_0, 0))
        self.connect((self.fft_filter_xxx_0, 0), (self.osmosdr_sink_0, 0))
        self.connect((self.fft_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0))
Example #33
0
def main(args):
    nargs = len(args)
    if nargs == 1:
        infile = args[0]
        outfile = None
    elif nargs == 2:
        infile = args[0]
        outfile = args[1]
    else:
        sys.stderr.write("Usage: dvbs-blade.py input_file [output_file]\n")
        sys.exit(1)

    symbol_rate = 4500000
    samp_rate = symbol_rate * 2
    code_rate = dvbs.C1_2
    rrc_taps = 20
    center_freq = 435000000
    txvga1_gain = -4
    txvga2_gain = 1
    bandwidth = 6000000

    tb = gr.top_block()

    src = blocks.file_source(gr.sizeof_char, infile, True)

    dvbs_randomizer = dvbs.randomizer_bb()
    dvbs_reed_solomon_enc = dvbs.reed_solomon_enc_bb()
    dvbs_interleaver = dvbs.interleaver_bb()
    blocks_packed_to_unpacked = blocks.packed_to_unpacked_bb(
        1, gr.GR_MSB_FIRST)
    trellis_encoder = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
    blocks_unpack_k_bits = blocks.unpack_k_bits_bb(2)
    dvbs_puncture = dvbs.puncture_bb(code_rate)
    blocks_pack_k_bits = blocks.pack_k_bits_bb(2)
    digital_chunks_to_symbols = digital.chunks_to_symbols_bc(([
        complex(0.70710678, 0.70710678),
        complex(0.70710678, -0.70710678),
        complex(-0.70710678, 0.70710678),
        complex(-0.70710678, -0.70710678)
    ]), 1)
    interp_fir_filter = filter.interp_fir_filter_ccc(
        2, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate / 2, 0.35,
                                      rrc_taps)))
    interp_fir_filter.declare_sample_delay(0)

    out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
    out.set_sample_rate(samp_rate)
    out.set_center_freq(center_freq, 0)
    out.set_freq_corr(0, 0)
    out.set_gain(txvga2_gain, 0)
    out.set_bb_gain(txvga1_gain, 0)
    out.set_bandwidth(bandwidth, 0)

    tb.connect(src, dvbs_randomizer)
    tb.connect(dvbs_randomizer, dvbs_reed_solomon_enc)
    tb.connect(dvbs_reed_solomon_enc, dvbs_interleaver)
    tb.connect(dvbs_interleaver, blocks_packed_to_unpacked)
    tb.connect(blocks_packed_to_unpacked, trellis_encoder)
    tb.connect(trellis_encoder, blocks_unpack_k_bits)
    tb.connect(blocks_unpack_k_bits, dvbs_puncture)
    tb.connect(dvbs_puncture, blocks_pack_k_bits)
    tb.connect(blocks_pack_k_bits, digital_chunks_to_symbols)
    tb.connect(digital_chunks_to_symbols, interp_fir_filter)
    tb.connect(interp_fir_filter, out)

    if outfile:
        dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
        tb.connect(interp_fir_filter, dst)

    tb.run()
Example #34
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))
Example #35
0
    def __init__(self, tx_freq=401.5e6, tx_offset=250e3):
        gr.top_block.__init__(self, "Simple GMSK/AX.25 Transmitter")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Simple GMSK/AX.25 Transmitter")
        qtgui.util.check_set_qss()
        try:
            self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except:
            pass
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

        self.settings = Qt.QSettings("GNU Radio", "fsk_tx_file")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Parameters
        ##################################################
        self.tx_freq = tx_freq
        self.tx_offset = tx_offset

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 240000
        self.baud = baud = 9600
        self.tx_gain = tx_gain = 0
        self.tx_correct = tx_correct = -300
        self.samps_per_symb = samps_per_symb = samp_rate/baud
        self.interp = interp = 25
        self.decim = decim = 24
        self.bb_gain = bb_gain = .75
        self.alpha = alpha = .5

        ##################################################
        # Blocks
        ##################################################
        self._bb_gain_range = Range(0, 1, .01, .75, 200)
        self._bb_gain_win = RangeWidget(self._bb_gain_range, self.set_bb_gain, 'bb_gain', "counter_slider", float)
        self.top_grid_layout.addWidget(self._bb_gain_win, 6, 0, 1, 4)
        for r in range(6, 7):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 4):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.vcc_qt_hex_text_0 = vcc.qt_hex_text()
        self._vcc_qt_hex_text_0_win = self.vcc_qt_hex_text_0;
        self.top_grid_layout.addWidget(self._vcc_qt_hex_text_0_win, 0, 0, 2, 4)
        for r in range(0, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 4):
            self.top_grid_layout.setColumnStretch(c, 1)

        self._tx_gain_range = Range(0, 86, 1, 0, 200)
        self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain, 'TX Gain', "counter_slider", float)
        self.top_grid_layout.addWidget(self._tx_gain_win, 7, 0, 1, 4)
        for r in range(7, 8):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 4):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._tx_correct_range = Range(-10000, 10000, 1, -300, 200)
        self._tx_correct_win = RangeWidget(self._tx_correct_range, self.set_tx_correct, "tx_correct", "counter_slider", float)
        self.top_grid_layout.addWidget(self._tx_correct_win, 8, 0, 1, 4)
        for r in range(8, 9):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 4):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
                interpolation=1,
                decimation=5,
                taps=None,
                fractional_bw=None,
        )
        self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
                interpolation=interp,
                decimation=decim,
                taps=None,
                fractional_bw=None,
        )
        self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
        	2048, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate/decim * interp/5, #bw
        	"TX Spectrum", #name
        	1 #number of inputs
        )
        self.qtgui_freq_sink_x_1.set_update_time(0.010)
        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(True)
        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 False:
          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, 2, 0, 4, 4)
        for r in range(2, 6):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 4):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.kiss_nrzi_encode_0 = kiss.nrzi_encode()
        self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(True)
        self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=64, postamble_bytes=64)
        self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
        self.digital_gmsk_mod_0 = digital.gmsk_mod(
        	samples_per_symbol=int(samps_per_symb),
        	bt=alpha,
        	verbose=False,
        	log=False,
        )
        self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
        self.blocks_tag_gate_0.set_single_key("packet_len")
        self.blocks_socket_pdu_0_2 = blocks.socket_pdu("TCP_CLIENT", '0.0.0.0', '8000', 1024, False)
        self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
        self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc((bb_gain, ))



        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_socket_pdu_0_2, 'pdus'), (self.blocks_pdu_to_tagged_stream_1, 'pdus'))
        self.msg_connect((self.kiss_hdlc_framer_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
        self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.kiss_hdlc_framer_0, 'in'))
        self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.vcc_qt_hex_text_0, 'pdus'))
        self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.rational_resampler_xxx_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.digital_gmsk_mod_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.digital_scrambler_bb_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_1, 0), (self.kiss_kiss_to_pdu_0, 0))
        self.connect((self.blocks_tag_gate_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
        self.connect((self.digital_gmsk_mod_0, 0), (self.blocks_tag_gate_0, 0))
        self.connect((self.digital_scrambler_bb_0, 0), (self.kiss_nrzi_encode_0, 0))
        self.connect((self.kiss_nrzi_encode_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.rational_resampler_xxx_0, 0), (self.rational_resampler_xxx_0_0, 0))
        self.connect((self.rational_resampler_xxx_0_0, 0), (self.qtgui_freq_sink_x_1, 0))
Example #36
0
    def __init__(self):
        gr.top_block.__init__(self, "Turbo Verification V0")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Turbo Verification V0")
        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", "turbo_verification_v0")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################
        self.symbol_rate = symbol_rate = 500e3
        self.sps = sps = 4
        self.vcdu_size = vcdu_size = 223 - 10
        self.samp_rate = samp_rate = symbol_rate * sps
        self.ntaps = ntaps = 40 * sps
        self.nfilts = nfilts = 32
        self.value = value = [0, 1]
        self.to = to = 0.0

        self.taps = taps = firdes.root_raised_cosine(sps, samp_rate,
                                                     symbol_rate, 0.35, ntaps)

        self.symbol = symbol = [-1, 1]
        self.scramble = scramble = 0
        self.rs = rs = 1
        self.reset = reset = vcdu_size
        self.polyphase_taps = polyphase_taps = firdes.root_raised_cosine(
            sps * nfilts, nfilts, 1.0 / float(sps), 0.35, 20 * sps * nfilts)
        self.parity = parity = 32
        self.linecode = linecode = 1
        self.intDepth = intDepth = 1
        self.frame_size = frame_size = vcdu_size + 10
        self.cfo = cfo = 0.25
        self.SNR = SNR = 10
        self.Rc = Rc = 0.5

        ##################################################
        # Blocks
        ##################################################
        self.tdd_ferMsgGen_0 = tdd.ferMsgGen(vcdu_size, 'cadu_len', 'vcdu_len')
        self.tdd_ferMsgCount_0 = tdd.ferMsgCount(0)
        self.mapper_prbs_source_b_0 = mapper.prbs_source_b("PRBS31", reset * 8)
        self.mapper_prbs_sink_b_0 = mapper.prbs_sink_b("PRBS31", reset * 8)
        self.dslwp_frame_spliter_f_0 = dslwp.frame_spliter_f(
            'payload_start', 3576)
        self.dslwp_ccsds_turbo_decode_0 = dslwp.ccsds_turbo_decode(
            223, 1, 2, 2, 0.707, 1)
        self.digital_map_bb_0 = digital.map_bb((-1, 1))
        self.ccsds_synchronizeCADU_0 = ccsds.synchronizeCADU(
            '1ACFFC1D', 0, "sync")
        self.ccsds_recoverCADU_1 = ccsds.recoverCADU(
            int(frame_size / Rc) + 1, scramble, 'sync')
        self.ccsds_encodeTurbo_0 = ccsds.encodeTurbo(frame_size, 2, 'cadu_len')
        self.ccsds_createCADU_0 = ccsds.createCADU(
            int(frame_size / Rc) + 1, '1ACFFC1D', scramble, 'xx_len')
        self.blocks_unpack_k_bits_bb_1 = blocks.unpack_k_bits_bb(8)
        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(8)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
                                                 True)
        self.blocks_stream_to_tagged_stream_2 = blocks.stream_to_tagged_stream(
            gr.sizeof_float, 1, 3576, "payload_start")
        self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(
            gr.sizeof_char, 1,
            int(frame_size / Rc) + 1, "xx_len")
        self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
            gr.sizeof_char, 1, vcdu_size, "vcdu_len")
        self.blocks_pdu_to_tagged_stream_0_1 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, 'packet_len')
        self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, 'packet_len')
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_message_debug_0 = blocks.message_debug()
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 0.5)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.ccsds_recoverCADU_1, 'cadu'),
                         (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
        self.msg_connect((self.dslwp_ccsds_turbo_decode_0, 'out'),
                         (self.blocks_message_debug_0, 'store'))
        self.msg_connect((self.dslwp_ccsds_turbo_decode_0, 'out'),
                         (self.tdd_ferMsgCount_0, 'in'))
        self.msg_connect((self.dslwp_frame_spliter_f_0, 'out'),
                         (self.dslwp_ccsds_turbo_decode_0, 'in'))
        self.msg_connect((self.tdd_ferMsgCount_0, 'out'),
                         (self.blocks_pdu_to_tagged_stream_0_1, 'pdus'))
        self.connect((self.blocks_char_to_float_0, 0),
                     (self.blocks_stream_to_tagged_stream_2, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0),
                     (self.blocks_stream_to_tagged_stream_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
                     (self.blocks_unpack_k_bits_bb_0_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0_1, 0),
                     (self.blocks_unpack_k_bits_bb_1, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0, 0),
                     (self.tdd_ferMsgGen_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
                     (self.ccsds_createCADU_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_2, 0),
                     (self.dslwp_frame_spliter_f_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0),
                     (self.ccsds_synchronizeCADU_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0),
                     (self.digital_map_bb_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_1, 0),
                     (self.mapper_prbs_sink_b_0, 0))
        self.connect((self.ccsds_createCADU_0, 0),
                     (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.ccsds_encodeTurbo_0, 0),
                     (self.blocks_stream_to_tagged_stream_0_0, 0))
        self.connect((self.ccsds_synchronizeCADU_0, 0),
                     (self.ccsds_recoverCADU_1, 0))
        self.connect((self.digital_map_bb_0, 0),
                     (self.blocks_char_to_float_0, 0))
        self.connect((self.mapper_prbs_source_b_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.tdd_ferMsgGen_0, 0), (self.ccsds_encodeTurbo_0, 0))
Example #37
0
    def __init__(self, addr='127.0.0.1', alpha=0.5, bb_gain=1, port='4000', samp_rate=500e3, samps_per_symb=4, tx_correct=0, tx_freq=2395e6, tx_gain=20, tx_offset=0, tx_period=500, update_period=2000):
        gr.top_block.__init__(self, "Tx Scram Rand 2")

        ##################################################
        # Parameters
        ##################################################
        self.addr = addr
        self.alpha = alpha
        self.bb_gain = bb_gain
        self.port = port
        self.samp_rate = samp_rate
        self.samps_per_symb = samps_per_symb
        self.tx_correct = tx_correct
        self.tx_freq = tx_freq
        self.tx_gain = tx_gain
        self.tx_offset = tx_offset
        self.tx_period = tx_period
        self.update_period = update_period

        ##################################################
        # Blocks
        ##################################################
        self.vtgs_ao40_encoder_0 = vtgs.ao40_encoder(False, 449838109)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_time_source('gpsdo', 0)
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(uhd.tune_request(tx_freq+tx_correct, tx_offset), 0)
        self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
        self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
        self.digital_map_bb_0 = digital.map_bb((1,0))
        self.digital_dxpsk_mod_0 = digital.dbpsk_mod(
        	samples_per_symbol=samps_per_symb,
        	excess_bw=alpha,
        	mod_code="gray",
        	verbose=False,
        	log=False)

        self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char*1, (768,5232))
        self.blocks_random_pdu_0 = blocks.random_pdu(256, 256, chr(0xFF), 2)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((bb_gain, ))
        self.blocks_message_strobe_0_0 = blocks.message_strobe(pmt.intern("TEST"), tx_period)
        self.blocks_message_strobe_0 = blocks.message_strobe(pmt.intern("TEST"), update_period)
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 1, 768)), True)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.blocks_random_pdu_0, 'generate'))
        self.msg_connect((self.blocks_message_strobe_0_0, 'strobe'), (self.vtgs_ao40_encoder_0, 'in'))
        self.msg_connect((self.blocks_random_pdu_0, 'pdus'), (self.blocks_message_strobe_0_0, 'set_msg'))
        self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_mux_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.digital_dxpsk_mod_0, 0))
        self.connect((self.blocks_stream_mux_0, 0), (self.digital_map_bb_0, 0))
        self.connect((self.digital_dxpsk_mod_0, 0), (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.digital_map_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.vtgs_ao40_encoder_0, 0), (self.blocks_stream_mux_0, 1))
    def __init__(self, addr="127.0.0.1", alpha=0.5, bb_gain=0.65, port="4000", samps_per_symb=4, tx_correct=0, tx_freq=2402e6, tx_gain=20, samp_rate=100e3, tx_offset=50e3):
        gr.top_block.__init__(self, "Tx Scram Sock")

        ##################################################
        # Parameters
        ##################################################
        self.addr = addr
        self.alpha = alpha
        self.bb_gain = bb_gain
        self.port = port
        self.samps_per_symb = samps_per_symb
        self.tx_correct = tx_correct
        self.tx_freq = tx_freq
        self.tx_gain = tx_gain
        self.samp_rate = samp_rate
        self.tx_offset = tx_offset

        ##################################################
        # Blocks
        ##################################################
        self.vtgs_mult_scrambler_0 = vtgs.mult_scrambler(17, 0x3FFFF)
        self.vtgs_ao40_encoder_0 = vtgs.ao40_encoder(False, 449838109)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_time_source("gpsdo", 0)
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(uhd.tune_request(tx_freq+tx_correct, tx_offset), 0)
        self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.digital_map_bb_0 = digital.map_bb((1,0))
        self.digital_dxpsk_mod_0 = digital.dbpsk_mod(
        	samples_per_symbol=samps_per_symb,
        	excess_bw=alpha,
        	mod_code="gray",
        	verbose=False,
        	log=False)
        	
        self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char*1, (384,5232,384))
        self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_SERVER", addr, port, 10000, False)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((bb_gain, ))
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 1, 1000)), True)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_socket_pdu_0, 'pdus'), (self.vtgs_ao40_encoder_0, 'in'))    
        self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_mux_0, 0))    
        self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_mux_0, 2))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0))    
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.digital_dxpsk_mod_0, 0))    
        self.connect((self.blocks_stream_mux_0, 0), (self.digital_map_bb_0, 0))    
        self.connect((self.digital_dxpsk_mod_0, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.digital_map_bb_0, 0), (self.vtgs_mult_scrambler_0, 0))    
        self.connect((self.vtgs_ao40_encoder_0, 0), (self.blocks_stream_mux_0, 1))    
        self.connect((self.vtgs_mult_scrambler_0, 0), (self.blocks_pack_k_bits_bb_0, 0))    
Example #39
0
    def __init__(self):
        gr.top_block.__init__(self, "MPSK Transmitter")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("MPSK Transmitter")
        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_tx")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.usrp_gain = usrp_gain = 20
        self.sps = sps = 4
        self.samp_rate = samp_rate = 1e6
        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.payload_size = payload_size = 992
        self.n = n = 4
        self.excess_bw = excess_bw = 0.35
        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"+": "))
        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._usrp_gain_counter = qwt_counter_pyslot()
        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.uhd_usrp_sink_0 = uhd.usrp_sink(
        	device_addr="",
        	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(2.4e9, 0)
        self.uhd_usrp_sink_0.set_gain(usrp_gain, 0)
        self.tcc_sdr_interleaver_bb_0 = tcc_sdr.interleaver_bb(n, n)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	1024, #size
        	samp_rate, #samp_rate
        	"QT GUI Plot", #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, "")
        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(2*1):
            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.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.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
        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_0 = blocks.pack_k_bits_bb(8)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/tx_teste.txt", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_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_file_source_0, 0), (self.tcc_sdr_interleaver_bb_0, 0))
        self.connect((self.tcc_sdr_interleaver_bb_0, 0), (self.blocks_stream_mux_0_0_0, 1))
Example #40
0
    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.symbol_rate = symbol_rate = 200
        self.samp_rate = samp_rate = 8000
        self.samp_per_sym = samp_per_sym = samp_rate/symbol_rate
        self.fsk_deviation_hz = fsk_deviation_hz = symbol_rate * 0.5

        ##################################################
        # Blocks
        ##################################################
        self.wxgui_waterfallsink2_0_0 = waterfallsink2.waterfall_sink_f(
        	self.GetWin(),
        	baseband_freq=0,
        	dynamic_range=100,
        	ref_level=0,
        	ref_scale=2.0,
        	sample_rate=samp_rate,
        	fft_size=512,
        	fft_rate=15,
        	average=False,
        	avg_alpha=None,
        	title="Waterfall Plot",
        )
        self.Add(self.wxgui_waterfallsink2_0_0.win)
        self.wxgui_scopesink2_1 = scopesink2.scope_sink_f(
        	self.GetWin(),
        	title="Scope Plot",
        	sample_rate=samp_rate,
        	v_scale=0,
        	v_offset=0,
        	t_scale=0.02,
        	ac_couple=False,
        	xy_mode=False,
        	num_inputs=1,
        	trig_mode=wxgui.TRIG_MODE_AUTO,
        	y_axis_label="Counts",
        )
        self.Add(self.wxgui_scopesink2_1.win)
        self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(samp_per_sym*(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.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, "/tmp/msk-bin", False)
        self.blocks_file_sink_0_0.set_unbuffered(True)
        self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
        self.blocks_add_const_vxx_0 = blocks.add_const_vff((-79, ))
        self.band_pass_filter_0 = filter.fir_filter_fcc(1, firdes.complex_band_pass(
        	1, samp_rate, 750, 1250, 10, firdes.WIN_HAMMING, 6.76))
        self.audio_source_0 = audio.source(samp_rate, "dsp0", True)
        self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(samp_rate/(2*math.pi*fsk_deviation_hz/8.0))

        ##################################################
        # Connections
        ##################################################
        self.connect((self.audio_source_0, 0), (self.band_pass_filter_0, 0))
        self.connect((self.band_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
        self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
        self.connect((self.analog_quadrature_demod_cf_0, 0), (self.wxgui_scopesink2_1, 0))
        self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.blocks_add_const_vxx_0, 0))
        self.connect((self.blocks_add_const_vxx_0, 0), (self.digital_binary_slicer_fb_0, 0))
        self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_file_sink_0_0, 0))
        self.connect((self.band_pass_filter_0, 0), (self.blocks_complex_to_float_0, 0))
        self.connect((self.blocks_complex_to_float_0, 0), (self.wxgui_waterfallsink2_0_0, 0))
Example #41
0
    def __init__(self):
        gr.top_block.__init__(self, "Mpsk Sim")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Mpsk Sim")
        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_sim")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.n = n = 4
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.m = m = n
        self.eb = eb = 0.35
        self.timing_loop_bw = timing_loop_bw = 0.01
        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 = 0.1
        self.payload_size = payload_size = 100*n*m
        self.packed_preamble = packed_preamble = [83, 34, 91, 29, 13, 115, 223, 3]
        self.noise_volt = noise_volt = 0
        self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
        self.freq_offset = freq_offset = 0
        self.excess_bw = excess_bw = 0.35
        self.eq_gain = eq_gain = 0.01
        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, "Transmitter")
        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"+": "))
        self._time_offset_counter = Qwt.QwtCounter()
        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._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"+": "))
        self._noise_volt_counter = Qwt.QwtCounter()
        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"+": "))
        self._freq_offset_counter = Qwt.QwtCounter()
        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.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	1024, #size
        	samp_rate, #samp_rate
        	"QT GUI Plot", #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, "")
        self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
        self.controls_grid_layout_0.addWidget(self._qtgui_time_sink_x_0_win, 1,0,2,2)
        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.controls_grid_layout_1.addWidget(self._qtgui_sink_x_1_win, 1,0,2,2)
        
        
        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.controls_grid_layout_1.addWidget(self._qtgui_sink_x_0_win, 3,0,2,2)
        
        
        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_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_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.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise_volt,
        	frequency_offset=freq_offset,
        	epsilon=time_offset,
        	taps=([1]),
        	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 = blocks.unpack_k_bits_bb(int(math.log(arity,2)))
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
        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/Documents/UTFPR/10o_periodo/TCC2/projeto/tcc/gnuradio/tx_teste.txt", True)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/franchz/Documents/UTFPR/10o_periodo/TCC2/projeto/tcc/gnuradio/rx_teste.txt", False)
        self.blocks_file_sink_0.set_unbuffered(True)
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_time_sink_x_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_correlate_and_sync_cc_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.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.qtgui_sink_x_1, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_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.blocks_unpack_k_bits_bb_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_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_mux_0_0_0, 1))
Example #42
0
    def __init__(self, parameter_0=0):
        gr.top_block.__init__(self, "BER 4FSK ")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("BER 4FSK ")
        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", "rrc_heir")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.parameter_0 = parameter_0

        ##################################################
        # Variables
        ##################################################
        self.samp_per_sym = samp_per_sym = 120
        self.symb_rate = symb_rate = 1200
        self.rrc_taps = rrc_taps = samp_per_sym * 6 + 1
        self.tcola_r = tcola_r = 1
        self.tcola_m = tcola_m = 32
        self.symbol_delay = symbol_delay = rrc_taps / samp_per_sym
        self.samp_rate = samp_rate = symb_rate * samp_per_sym
        self.noise = noise = 0
        self.fsk_deviation_hz = fsk_deviation_hz = 648
        self.fc = fc = 900e6
        self.bits_per_sym = bits_per_sym = 2

        ##################################################
        # Blocks
        ##################################################
        self._noise_range = Range(0, 5, 0.01, 0, 200)
        self._noise_win = RangeWidget(self._noise_range, self.set_noise,
                                      "Noise", "counter_slider", float)
        self.top_layout.addWidget(self._noise_win)
        self.tcola_time_compression_0 = tcola.time_compression_c(
            tcola_m, tcola_r, ())
        self.tcola_overlap_add_0 = tcola.overlap_add_c(tcola_m, tcola_r, ())
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
            100,  #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(0, 3)

        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_control_panel(False)

        if not True:
            self.qtgui_time_sink_x_0_0.disable_legend()

        labels = [
            "Symbols", "Received Symbols", "RRC RX", "", "", "", "", "", "", ""
        ]
        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 = [0, 2, -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_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
            4096,  #size
            samp_rate,  #samp_rate
            "",  #name
            3  #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_control_panel(False)

        if not True:
            self.qtgui_time_sink_x_0.disable_legend()

        labels = ["Post RRC Tx", "Post RRC Rx", "", "", "", "", "", "", "", ""]
        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_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_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0,
                                                       qtgui.NUM_GRAPH_HORIZ,
                                                       1)
        self.qtgui_number_sink_0_0.set_update_time(0.10)
        self.qtgui_number_sink_0_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_0.set_min(i, 0.0)
            self.qtgui_number_sink_0_0.set_max(i, 1)
            self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1])
            if len(labels[i]) == 0:
                self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i))
            else:
                self.qtgui_number_sink_0_0.set_label(i, labels[i])
            self.qtgui_number_sink_0_0.set_unit(i, units[i])
            self.qtgui_number_sink_0_0.set_factor(i, factor[i])

        self.qtgui_number_sink_0_0.enable_autoscale(False)
        self._qtgui_number_sink_0_0_win = sip.wrapinstance(
            self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_number_sink_0_0_win)
        self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
                                                     qtgui.NUM_GRAPH_HORIZ, 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, -7)
            self.qtgui_number_sink_0.set_max(i, 0)
            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.four_level_rrc_transmitter_0 = four_level_rrc_transmitter(
            alpha=0.350,
            bits_per_symbol=2,
            rrc_taps=rrc_taps,
            samp_per_sym=samp_per_sym,
            sym_rate=symb_rate,
        )
        self.four_level_rrc_receiver_0_0 = four_level_rrc_receiver(
            alpha=0.350,
            bits_per_sym=2,
            rrc_taps=rrc_taps,
            samp_per_sym=samp_per_sym,
            sym_rate=symb_rate,
        )
        self.four_level_rrc_receiver_0 = four_level_rrc_receiver(
            alpha=0.350,
            bits_per_sym=2,
            rrc_taps=rrc_taps,
            samp_per_sym=samp_per_sym,
            sym_rate=symb_rate,
        )
        self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0)
        self.digital_glfsr_source_x_0 = digital.glfsr_source_b(8, True, 0, 1)
        self.channels_channel_model_0 = channels.channel_model(
            noise_voltage=noise,
            frequency_offset=0.0,
            epsilon=1.0,
            taps=(1, ),
            noise_seed=0,
            block_tags=False)
        self.blocks_vco_c_0 = blocks.vco_c(samp_rate,
                                           fsk_deviation_hz * 2 * math.pi, 1)
        self.blocks_pack_k_bits_bb_0_0 = 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_char * 1)
        self.blocks_delay_2 = blocks.delay(
            gr.sizeof_char * 1, (symbol_delay + symb_rate) * bits_per_sym - 2)
        self.blocks_delay_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
                                               samp_rate)
        self.blocks_delay_0_0 = blocks.delay(gr.sizeof_gr_complex * 1,
                                             samp_rate - tcola_m)
        self.blocks_delay_0 = blocks.delay(
            gr.sizeof_float * 1, symbol_delay * samp_per_sym / 2 + samp_rate)
        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.blks2_error_rate_0 = grc_blks2.error_rate(
            type='BER',
            win_size=1000,
            bits_per_symbol=1,
        )
        self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(
            samp_rate / (2 * math.pi * fsk_deviation_hz))
        self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
            samp_rate / (2 * math.pi * fsk_deviation_hz))

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_quadrature_demod_cf_0, 0),
                     (self.four_level_rrc_receiver_0, 0))
        self.connect((self.analog_quadrature_demod_cf_0_0, 0),
                     (self.four_level_rrc_receiver_0_0, 0))
        self.connect((self.blks2_error_rate_0, 0),
                     (self.qtgui_number_sink_0_0, 0))
        self.connect((self.blocks_char_to_float_0, 0),
                     (self.qtgui_time_sink_x_0_0, 1))
        self.connect((self.blocks_char_to_float_0_0, 0),
                     (self.qtgui_time_sink_x_0_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_delay_0_0, 0),
                     (self.analog_quadrature_demod_cf_0, 0))
        self.connect((self.blocks_delay_0_0_0, 0),
                     (self.analog_quadrature_demod_cf_0_0, 0))
        self.connect((self.blocks_delay_2, 0), (self.blks2_error_rate_0, 0))
        self.connect((self.blocks_delay_2, 0),
                     (self.blocks_char_to_float_0_0, 0))
        self.connect((self.blocks_delay_2, 0),
                     (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.fec_ber_bf_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0_0, 0),
                     (self.fec_ber_bf_0, 1))
        self.connect((self.blocks_vco_c_0, 0), (self.blocks_delay_0_0_0, 0))
        self.connect((self.blocks_vco_c_0, 0),
                     (self.tcola_time_compression_0, 0))
        self.connect((self.channels_channel_model_0, 0),
                     (self.tcola_overlap_add_0, 0))
        self.connect((self.digital_glfsr_source_x_0, 0),
                     (self.blocks_delay_2, 0))
        self.connect((self.digital_glfsr_source_x_0, 0),
                     (self.four_level_rrc_transmitter_0, 0))
        self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
        self.connect((self.four_level_rrc_receiver_0, 2),
                     (self.blks2_error_rate_0, 1))
        self.connect((self.four_level_rrc_receiver_0, 2),
                     (self.blocks_char_to_float_0, 0))
        self.connect((self.four_level_rrc_receiver_0, 2),
                     (self.blocks_pack_k_bits_bb_0_0, 0))
        self.connect((self.four_level_rrc_receiver_0, 0),
                     (self.qtgui_time_sink_x_0, 1))
        self.connect((self.four_level_rrc_receiver_0_0, 2),
                     (self.blocks_null_sink_0, 0))
        self.connect((self.four_level_rrc_receiver_0_0, 0),
                     (self.qtgui_time_sink_x_0, 2))
        self.connect((self.four_level_rrc_transmitter_0, 1),
                     (self.blocks_delay_0, 0))
        self.connect((self.four_level_rrc_transmitter_0, 1),
                     (self.blocks_vco_c_0, 0))
        self.connect((self.tcola_overlap_add_0, 0), (self.blocks_delay_0_0, 0))
        self.connect((self.tcola_time_compression_0, 0),
                     (self.channels_channel_model_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.samp_rate = samp_rate = 400000
        self.preamble = preamble = [ -0.70711 + 0.70711j,   0.70711 - 0.70711j,  -0.70711 + 0.70711j,   0.70711 + 0.70711j,   0.70711 - 0.70711j,   0.70711 - 0.70711j,  -0.70711 + 0.70711j,  -0.70711 + 0.70711j, -0.70711 - 0.70711j,  -0.70711 - 0.70711j,   0.70711 - 0.70711j,   0.70711 + 0.70711j,  -0.70711 + 0.70711j,   0.70711 - 0.70711j,   0.70711 - 0.70711j,  -0.70711 + 0.70711j,  -0.70711 + 0.70711j,   0.70711 + 0.70711j,   0.70711 + 0.70711j,   0.70711 + 0.70711j,  -0.70711 - 0.70711j,  -0.70711 + 0.70711j,  -0.70711 + 0.70711j,  -0.70711 - 0.70711j,  -0.70711 - 0.70711j,   0.70711 - 0.70711j,   0.70711 + 0.70711j,  -0.70711 - 0.70711j,  -0.70711 - 0.70711j,   0.70711 - 0.70711j,   0.70711 + 0.70711j,  -0.70711 - 0.70711j,   0.70711 + 0.70711j,   0.70711 + 0.70711j,   0.70711 - 0.70711j,  -0.70711 + 0.70711j,   0.70711 + 0.70711j,  -0.70711 - 0.70711j,   0.70711 - 0.70711j,   0.70711 + 0.70711j]
        self.audio_rate = audio_rate = 8000
        self.audio_interp = audio_interp = 2
        self.voice_gain = voice_gain = 0
        self.tau = tau = 75e-6
        self.rx_channel = rx_channel = 110
        self.quadrature_rate = quadrature_rate = audio_rate*audio_interp
        self.qpsk_constellation = qpsk_constellation = digital.constellation_calcdist(([(sqrt(2)/2)+(sqrt(2)/2)*1j,-(sqrt(2)/2)+(sqrt(2)/2)*1j,(sqrt(2)/2)-(sqrt(2)/2)*1j,-(sqrt(2)/2)-(sqrt(2)/2)*1j]), (digital.psk_4()[1]), 4, 1).base()
        self.qpsk_constellation.gen_soft_dec_lut(8)
        self.preamble_size = preamble_size = len(preamble)
        
        self.poly_taps = poly_taps = firdes.low_pass(2.0, samp_rate, 20000, 1000, firdes.WIN_HAMMING, 6.76)
          
        self.payload_size = payload_size = 100
        self.num_channels = num_channels = 4
        self.max_deviation = max_deviation = 3500
        self.guard_size = guard_size = 10
        self.codec_rate = codec_rate = 64000
        self.bpsk_rate = bpsk_rate = 400000

        ##################################################
        # Blocks
        ##################################################
        self._voice_gain_range = Range(0, 2, 0.01, 0, 200)
        self._voice_gain_win = RangeWidget(self._voice_gain_range, self.set_voice_gain, "voice_gain", "counter_slider", float)
        self.top_layout.addWidget(self._voice_gain_win)
        self.tab2 = Qt.QTabWidget()
        self.tab2_widget_0 = Qt.QWidget()
        self.tab2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab2_widget_0)
        self.tab2_grid_layout_0 = Qt.QGridLayout()
        self.tab2_layout_0.addLayout(self.tab2_grid_layout_0)
        self.tab2.addTab(self.tab2_widget_0, "Preamble Correlation")
        self.tab2_widget_1 = Qt.QWidget()
        self.tab2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab2_widget_1)
        self.tab2_grid_layout_1 = Qt.QGridLayout()
        self.tab2_layout_1.addLayout(self.tab2_grid_layout_1)
        self.tab2.addTab(self.tab2_widget_1, "Received Analog Voice")
        self.top_grid_layout.addWidget(self.tab2, 1,1,1,1)
        self._rx_channel_options = (110, 110*2, 110*3, 0, )
        self._rx_channel_labels = ("0", "1", "2", "3", )
        self._rx_channel_group_box = Qt.QGroupBox("rx_channel")
        self._rx_channel_box = Qt.QHBoxLayout()
        class variable_chooser_button_group(Qt.QButtonGroup):
            def __init__(self, parent=None):
                Qt.QButtonGroup.__init__(self, parent)
            @pyqtSlot(int)
            def updateButtonChecked(self, button_id):
                self.button(button_id).setChecked(True)
        self._rx_channel_button_group = variable_chooser_button_group()
        self._rx_channel_group_box.setLayout(self._rx_channel_box)
        for i, label in enumerate(self._rx_channel_labels):
        	radio_button = Qt.QRadioButton(label)
        	self._rx_channel_box.addWidget(radio_button)
        	self._rx_channel_button_group.addButton(radio_button, i)
        self._rx_channel_callback = lambda i: Qt.QMetaObject.invokeMethod(self._rx_channel_button_group, "updateButtonChecked", Qt.Q_ARG("int", self._rx_channel_options.index(i)))
        self._rx_channel_callback(self.rx_channel)
        self._rx_channel_button_group.buttonClicked[int].connect(
        	lambda i: self.set_rx_channel(self._rx_channel_options[i]))
        self.top_layout.addWidget(self._rx_channel_group_box)
        self.vocoder_ulaw_decode_bs_0 = vocoder.ulaw_decode_bs()
        self.uhd_usrp_source_0 = uhd.usrp_source(
        	",".join(("serial=309AF9C", "")),
        	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(433e6, 0)
        self.uhd_usrp_source_0.set_gain(5, 0)
        self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
        self.root_raised_cosine_filter_1 = filter.fir_filter_ccf(2, firdes.root_raised_cosine(
        	1, bpsk_rate, bpsk_rate/2, 0.35, 101))
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	1024, #size
        	bpsk_rate/2, #samp_rate
        	"Preamble Correlation", #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, False)
        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_control_panel(False)
        
        if not False:
          self.qtgui_time_sink_x_0.disable_legend()
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
                  "magenta", "yellow", "dark red", "dark green", "blue"]
        styles = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        markers = [-1, -1, -1, -1, -1,
                   -1, -1, -1, -1, -1]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        
        for i in xrange(2*1):
            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.tab2_layout_0.addWidget(self._qtgui_time_sink_x_0_win)
        self.qtgui_time_raster_sink_x_0_0 = qtgui.time_raster_sink_b(
        	codec_rate,
        	100,
        	(guard_size+payload_size)*num_channels,
        	([]),
        	([]),
        	"Received TDM Frame",
        	1,
        	)
        
        self.qtgui_time_raster_sink_x_0_0.set_update_time(0.10)
        self.qtgui_time_raster_sink_x_0_0.set_intensity_range(-1, 1)
        self.qtgui_time_raster_sink_x_0_0.enable_grid(False)
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        colors = [2, 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_time_raster_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_time_raster_sink_x_0_0.set_line_label(i, labels[i])
            self.qtgui_time_raster_sink_x_0_0.set_color_map(i, colors[i])
            self.qtgui_time_raster_sink_x_0_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_time_raster_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_raster_sink_x_0_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_time_raster_sink_x_0_0_win, 1,2,1,1)
        self.qtgui_freq_sink_x_3 = qtgui.freq_sink_f(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	audio_rate, #bw
        	"Received Analog Voice", #name
        	1 #number of inputs
        )
        self.qtgui_freq_sink_x_3.set_update_time(0.10)
        self.qtgui_freq_sink_x_3.set_y_axis(-140, 10)
        self.qtgui_freq_sink_x_3.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
        self.qtgui_freq_sink_x_3.enable_autoscale(False)
        self.qtgui_freq_sink_x_3.enable_grid(False)
        self.qtgui_freq_sink_x_3.set_fft_average(1.0)
        self.qtgui_freq_sink_x_3.enable_control_panel(False)
        
        if not False:
          self.qtgui_freq_sink_x_3.disable_legend()
        
        if float == type(float()):
          self.qtgui_freq_sink_x_3.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_3.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_3.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_3.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_3.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_3.set_line_alpha(i, alphas[i])
        
        self._qtgui_freq_sink_x_3_win = sip.wrapinstance(self.qtgui_freq_sink_x_3.pyqwidget(), Qt.QWidget)
        self.tab2_layout_1.addWidget(self._qtgui_freq_sink_x_3_win)
        self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"Received Spectrum", #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_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_control_panel(False)
        
        if not False:
          self.qtgui_freq_sink_x_1.disable_legend()
        
        if complex == type(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, 0,0,1,1)
        self.digital_map_bb_0_0 = digital.map_bb((digital.psk_4()[1]))
        self.digital_corr_est_cc_0 = digital.corr_est_cc((preamble), 1, 0, 0.15)
        self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(qpsk_constellation)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_tagged_stream_align_0 = blocks.tagged_stream_align(gr.sizeof_gr_complex*1, "corr_start")
        self.blocks_short_to_float_0 = blocks.short_to_float(1, 2000)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((voice_gain, ))
        self.blocks_keep_m_in_n_1 = blocks.keep_m_in_n(gr.sizeof_char, payload_size, num_channels*(payload_size+guard_size), rx_channel)
        self.blocks_keep_m_in_n_0 = blocks.keep_m_in_n(gr.sizeof_gr_complex, num_channels*(payload_size+guard_size)/2, num_channels*(payload_size+guard_size)/2 + preamble_size, preamble_size)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, 2*(num_channels*(payload_size+guard_size)/2+preamble_size)-1)
        self.audio_sink_0 = audio.sink(8000, "", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_delay_0, 0), (self.blocks_keep_m_in_n_0, 0))    
        self.connect((self.blocks_keep_m_in_n_0, 0), (self.digital_constellation_decoder_cb_0_0, 0))    
        self.connect((self.blocks_keep_m_in_n_1, 0), (self.vocoder_ulaw_decode_bs_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))    
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_keep_m_in_n_1, 0))    
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.qtgui_time_raster_sink_x_0_0, 0))    
        self.connect((self.blocks_short_to_float_0, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.blocks_short_to_float_0, 0), (self.qtgui_freq_sink_x_3, 0))    
        self.connect((self.blocks_tagged_stream_align_0, 0), (self.blocks_delay_0, 0))    
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))    
        self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_map_bb_0_0, 0))    
        self.connect((self.digital_corr_est_cc_0, 0), (self.blocks_tagged_stream_align_0, 0))    
        self.connect((self.digital_corr_est_cc_0, 1), (self.qtgui_time_sink_x_0, 0))    
        self.connect((self.digital_map_bb_0_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))    
        self.connect((self.root_raised_cosine_filter_1, 0), (self.digital_corr_est_cc_0, 0))    
        self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_freq_sink_x_1, 0))    
        self.connect((self.uhd_usrp_source_0, 0), (self.root_raised_cosine_filter_1, 0))    
        self.connect((self.vocoder_ulaw_decode_bs_0, 0), (self.blocks_short_to_float_0, 0))    
Example #44
0
    def __init__(self,
                 addr='127.0.0.1',
                 alpha=0.5,
                 bb_gain=1,
                 port='4000',
                 samp_rate=250e3,
                 samps_per_symb=2,
                 tx_correct=0,
                 tx_freq=2402e6,
                 tx_gain=20,
                 tx_offset=50e3):
        gr.top_block.__init__(self, "Trx Scram Sock")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Trx Scram Sock")
        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", "trx_scram_sock")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.addr = addr
        self.alpha = alpha
        self.bb_gain = bb_gain
        self.port = port
        self.samp_rate = samp_rate
        self.samps_per_symb = samps_per_symb
        self.tx_correct = tx_correct
        self.tx_freq = tx_freq
        self.tx_gain = tx_gain
        self.tx_offset = tx_offset

        ##################################################
        # Blocks
        ##################################################
        self.vtgs_mult_scrambler_0 = vtgs.mult_scrambler(17, 0x3FFFF)
        self.vtgs_ao40_encoder_0 = vtgs.ao40_encoder(False, 449838109)
        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(True)
        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
        self.qtgui_freq_sink_x_0.enable_axis_labels(True)
        self.qtgui_freq_sink_x_0.enable_control_panel(False)

        if not True:
            self.qtgui_freq_sink_x_0.disable_legend()

        if "complex" == "float" or "complex" == "msg_float":
            self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)

        labels = ['', '', '', '', '', '', '', '', '', '']
        widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
        colors = [
            "blue", "red", "green", "black", "cyan", "magenta", "yellow",
            "dark red", "dark green", "dark blue"
        ]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_freq_sink_x_0.set_line_label(
                    i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])

        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
            self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
        self.digital_map_bb_0 = digital.map_bb((1, 0))
        self.digital_dxpsk_mod_0 = digital.dbpsk_mod(
            samples_per_symbol=samps_per_symb,
            excess_bw=alpha,
            mod_code="gray",
            verbose=False,
            log=False)

        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                 samp_rate, True)
        self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char * 1,
                                                     (768, 5232))
        self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_SERVER", addr, port,
                                                     10000, False)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
            (bb_gain, ))
        self.blocks_add_xx_0 = blocks.add_vcc(1)
        self.analog_sig_source_x_0 = analog.sig_source_c(
            samp_rate, analog.GR_COS_WAVE, 100e3, 1, 0)
        self.analog_random_source_x_0 = blocks.vector_source_b(
            map(int, numpy.random.randint(0, 1, 768)), True)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_socket_pdu_0, 'pdus'),
                         (self.vtgs_ao40_encoder_0, 'in'))
        self.connect((self.analog_random_source_x_0, 0),
                     (self.blocks_stream_mux_0, 0))
        self.connect((self.analog_sig_source_x_0, 0),
                     (self.blocks_add_xx_0, 1))
        self.connect((self.blocks_add_xx_0, 0),
                     (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0),
                     (self.digital_dxpsk_mod_0, 0))
        self.connect((self.blocks_stream_mux_0, 0), (self.digital_map_bb_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.qtgui_freq_sink_x_0, 0))
        self.connect((self.digital_dxpsk_mod_0, 0), (self.blocks_add_xx_0, 0))
        self.connect((self.digital_map_bb_0, 0),
                     (self.vtgs_mult_scrambler_0, 0))
        self.connect((self.vtgs_ao40_encoder_0, 0),
                     (self.blocks_stream_mux_0, 1))
        self.connect((self.vtgs_mult_scrambler_0, 0),
                     (self.blocks_pack_k_bits_bb_0, 0))
Example #45
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))    
Example #46
0
    def __init__(self,
                 addr='0.0.0.0',
                 alpha=0.5,
                 bb_gain=.5,
                 port='52001',
                 samp_rate=500e3,
                 samps_per_symb=4,
                 tx_correct=0,
                 tx_freq=2395e6,
                 tx_gain=20,
                 tx_offset=50e3):
        gr.top_block.__init__(self, "Tx Scram Sock")

        ##################################################
        # Parameters
        ##################################################
        self.addr = addr
        self.alpha = alpha
        self.bb_gain = bb_gain
        self.port = port
        self.samp_rate = samp_rate
        self.samps_per_symb = samps_per_symb
        self.tx_correct = tx_correct
        self.tx_freq = tx_freq
        self.tx_gain = tx_gain
        self.tx_offset = tx_offset

        ##################################################
        # Blocks
        ##################################################
        self.vtgs_mult_scrambler_0 = vtgs.mult_scrambler(17, 0x3FFFF)
        self.vtgs_ao40_encoder_0 = vtgs.ao40_encoder(False, 449838109)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
            ",".join(("", "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_sink_0.set_time_source('gpsdo', 0)
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(
            uhd.tune_request(tx_freq + tx_correct, tx_offset), 0)
        self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
        self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
        self.digital_map_bb_0 = digital.map_bb((1, 0))
        self.digital_dxpsk_mod_0 = digital.dbpsk_mod(
            samples_per_symbol=samps_per_symb,
            excess_bw=alpha,
            mod_code="gray",
            verbose=False,
            log=False)

        self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char * 1,
                                                     (768, 5232))
        self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_SERVER", addr, port,
                                                     256, False)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
            (bb_gain, ))
        self.analog_random_source_x_0 = blocks.vector_source_b(
            map(int, numpy.random.randint(0, 1, 768)), True)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_socket_pdu_0, 'pdus'),
                         (self.vtgs_ao40_encoder_0, 'in'))
        self.connect((self.analog_random_source_x_0, 0),
                     (self.blocks_stream_mux_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0),
                     (self.digital_dxpsk_mod_0, 0))
        self.connect((self.blocks_stream_mux_0, 0), (self.digital_map_bb_0, 0))
        self.connect((self.digital_dxpsk_mod_0, 0),
                     (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.digital_map_bb_0, 0),
                     (self.vtgs_mult_scrambler_0, 0))
        self.connect((self.vtgs_ao40_encoder_0, 0),
                     (self.blocks_stream_mux_0, 1))
        self.connect((self.vtgs_mult_scrambler_0, 0),
                     (self.blocks_pack_k_bits_bb_0, 0))
Example #47
0
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Dvbs Tx")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.symbol_rate = symbol_rate = 1000000
        self.username = username = os.environ.get('USER')
        self.samp_rate = samp_rate = symbol_rate * 2
        self.rrc_taps = rrc_taps = 100
        self.frequency = frequency = 2440000000

        ##################################################
        # Blocks
        ##################################################
        self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
            self.GetWin(),
            baseband_freq=frequency,
            y_per_div=10,
            y_divs=10,
            ref_level=0,
            ref_scale=2.0,
            sample_rate=samp_rate,
            fft_size=1024,
            fft_rate=15,
            average=True,
            avg_alpha=0.13333,
            title='FFT Plot',
            peak_hold=False,
        )
        self.Add(self.wxgui_fftsink2_0.win)
        self.trellis_encoder_xx_0 = trellis.encoder_bb(
            trellis.fsm(1, 2,
                        (0171, 0133)), 0, 0) if False else trellis.encoder_bb(
                            trellis.fsm(1, 2, (0171, 0133)), 0)
        self._symbol_rate_chooser = forms.radio_buttons(
            parent=self.GetWin(),
            value=self.symbol_rate,
            callback=self.set_symbol_rate,
            label='symbol_rate',
            choices=[250000, 333000, 500000, 1000000, 1200000, 1500000],
            labels=[
                "250kS/s", "333kS/s", "500 kS/s", "1000kS/s", "1200kS/s",
                "1500kS/s"
            ],
            style=wx.RA_HORIZONTAL,
        )
        self.Add(self._symbol_rate_chooser)
        self.pluto_sink_0 = iio.pluto_sink('', frequency, samp_rate, 20000000,
                                           0x8000, False, 10.0, '', True)
        self.fft_filter_xxx_0 = filter.fft_filter_ccc(
            1, (firdes.root_raised_cosine(1.0, samp_rate, samp_rate / 2, 0.35,
                                          rrc_taps)), 1)
        self.fft_filter_xxx_0.declare_sample_delay(0)
        self.fec_puncture_xx_0 = fec.puncture_bb(14, 0b11010101100110, 0)
        self.dtv_dvbt_reed_solomon_enc_0 = dtv.dvbt_reed_solomon_enc(
            2, 8, 0x11d, 255, 239, 8, 51, 8)
        self.dtv_dvbt_energy_dispersal_0 = dtv.dvbt_energy_dispersal(1)
        self.dtv_dvbt_convolutional_interleaver_0 = dtv.dvbt_convolutional_interleaver(
            136, 12, 17)
        self.dtv_dvbs2_modulator_bc_0 = dtv.dvbs2_modulator_bc(
            dtv.FECFRAME_NORMAL, dtv.C5_6, dtv.MOD_QPSK, dtv.INTERPOLATION_ON)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
            1, gr.GR_MSB_FIRST)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(2)
        self.blocks_file_source_0 = blocks.file_source(
            gr.sizeof_char * 1, "/media/" + username + "/PlutoSDR/rpidatv.ts",
            True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_file_source_0, 0),
                     (self.dtv_dvbt_energy_dispersal_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0),
                     (self.dtv_dvbs2_modulator_bc_0, 0))
        self.connect((self.blocks_packed_to_unpacked_xx_0, 0),
                     (self.trellis_encoder_xx_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0),
                     (self.fec_puncture_xx_0, 0))
        self.connect((self.dtv_dvbs2_modulator_bc_0, 0),
                     (self.fft_filter_xxx_0, 0))
        self.connect((self.dtv_dvbt_convolutional_interleaver_0, 0),
                     (self.blocks_packed_to_unpacked_xx_0, 0))
        self.connect((self.dtv_dvbt_energy_dispersal_0, 0),
                     (self.dtv_dvbt_reed_solomon_enc_0, 0))
        self.connect((self.dtv_dvbt_reed_solomon_enc_0, 0),
                     (self.dtv_dvbt_convolutional_interleaver_0, 0))
        self.connect((self.fec_puncture_xx_0, 0),
                     (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.fft_filter_xxx_0, 0), (self.pluto_sink_0, 0))
        self.connect((self.fft_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0))
        self.connect((self.trellis_encoder_xx_0, 0),
                     (self.blocks_unpack_k_bits_bb_0, 0))
Example #48
0
    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.symbol_rate = symbol_rate = 60000
        self.symbol_period = symbol_period = pow(symbol_rate,-1)
        self.samp_rate = samp_rate = 300e3
        self.samp_per_sym = samp_per_sym = 5
        self.packet_len = packet_len = 256
        self.decimation = decimation = 1
        self.bits_per_sym = bits_per_sym = 1
        self.Sq_Thresh = Sq_Thresh = -30
        self.RF_Gain = RF_Gain = 20
        self.Fc = Fc = 175e6

        ##################################################
        # Blocks
        ##################################################
        _Sq_Thresh_sizer = wx.BoxSizer(wx.VERTICAL)
        self._Sq_Thresh_text_box = forms.text_box(
        	parent=self.GetWin(),
        	sizer=_Sq_Thresh_sizer,
        	value=self.Sq_Thresh,
        	callback=self.set_Sq_Thresh,
        	label="Squelch Threshold",
        	converter=forms.float_converter(),
        	proportion=0,
        )
        self._Sq_Thresh_slider = forms.slider(
        	parent=self.GetWin(),
        	sizer=_Sq_Thresh_sizer,
        	value=self.Sq_Thresh,
        	callback=self.set_Sq_Thresh,
        	minimum=-50,
        	maximum=20,
        	num_steps=1000,
        	style=wx.SL_HORIZONTAL,
        	cast=float,
        	proportion=1,
        )
        self.GridAdd(_Sq_Thresh_sizer, 0, 2, 1, 1)
        _RF_Gain_sizer = wx.BoxSizer(wx.VERTICAL)
        self._RF_Gain_text_box = forms.text_box(
        	parent=self.GetWin(),
        	sizer=_RF_Gain_sizer,
        	value=self.RF_Gain,
        	callback=self.set_RF_Gain,
        	label="RF Gain",
        	converter=forms.float_converter(),
        	proportion=0,
        )
        self._RF_Gain_slider = forms.slider(
        	parent=self.GetWin(),
        	sizer=_RF_Gain_sizer,
        	value=self.RF_Gain,
        	callback=self.set_RF_Gain,
        	minimum=0,
        	maximum=50,
        	num_steps=1000,
        	style=wx.SL_HORIZONTAL,
        	cast=float,
        	proportion=1,
        )
        self.GridAdd(_RF_Gain_sizer, 0, 0, 1, 1)
        _Fc_sizer = wx.BoxSizer(wx.VERTICAL)
        self._Fc_text_box = forms.text_box(
        	parent=self.GetWin(),
        	sizer=_Fc_sizer,
        	value=self.Fc,
        	callback=self.set_Fc,
        	label="Center Frequency",
        	converter=forms.float_converter(),
        	proportion=0,
        )
        self._Fc_slider = forms.slider(
        	parent=self.GetWin(),
        	sizer=_Fc_sizer,
        	value=self.Fc,
        	callback=self.set_Fc,
        	minimum=50e6,
        	maximum=1700e6,
        	num_steps=1000,
        	style=wx.SL_HORIZONTAL,
        	cast=float,
        	proportion=1,
        )
        self.GridAdd(_Fc_sizer, 0, 1, 1, 1)
        self.osmosdr_source_0_0 = osmosdr.source( args="numchan=" + str(1) + " " + 'rtl_tcp=10.0.0.13:1234' )
        self.osmosdr_source_0_0.set_sample_rate(samp_rate)
        self.osmosdr_source_0_0.set_center_freq(Fc+10e6, 0)
        self.osmosdr_source_0_0.set_freq_corr(0, 0)
        self.osmosdr_source_0_0.set_dc_offset_mode(0, 0)
        self.osmosdr_source_0_0.set_iq_balance_mode(0, 0)
        self.osmosdr_source_0_0.set_gain_mode(False, 0)
        self.osmosdr_source_0_0.set_gain(RF_Gain, 0)
        self.osmosdr_source_0_0.set_if_gain(0, 0)
        self.osmosdr_source_0_0.set_bb_gain(0, 0)
        self.osmosdr_source_0_0.set_antenna("", 0)
        self.osmosdr_source_0_0.set_bandwidth(0, 0)
          
        self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + 'rtl_tcp=10.0.0.12:1234' )
        self.osmosdr_source_0.set_sample_rate(samp_rate)
        self.osmosdr_source_0.set_center_freq(Fc, 0)
        self.osmosdr_source_0.set_freq_corr(0, 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(False, 0)
        self.osmosdr_source_0.set_gain(0, 0)
        self.osmosdr_source_0.set_if_gain(0, 0)
        self.osmosdr_source_0.set_bb_gain(0, 0)
        self.osmosdr_source_0.set_antenna("", 0)
        self.osmosdr_source_0.set_bandwidth(0, 0)
          
        self.blocks_skiphead_0_0 = blocks.skiphead(gr.sizeof_gr_complex*1, int(samp_rate)*5)
        self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_gr_complex*1, int(samp_rate)*5)
        self.blocks_pack_k_bits_bb_0_0 = blocks.pack_k_bits_bb(8)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_float*1)
        self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
        self.blocks_float_to_char_0_0 = blocks.float_to_char(1, 1)
        self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
        self.blks2_tcp_sink_0_0_0 = grc_blks2.tcp_sink(
        	itemsize=gr.sizeof_char*1,
        	addr="127.0.0.1",
        	port=3493,
        	server=True,
        )
        self.blks2_tcp_sink_0_0 = grc_blks2.tcp_sink(
        	itemsize=gr.sizeof_char*1,
        	addr="127.0.0.1",
        	port=3491,
        	server=True,
        )
        self.analog_pwr_squelch_xx_0_0 = analog.pwr_squelch_cc(Sq_Thresh, 0.01, 5, True)
        self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_cc(-10, 0.01, 5, True)
        self.analog_fm_demod_cf_0_0 = analog.fm_demod_cf(
        	channel_rate=samp_rate,
        	audio_decim=decimation,
        	deviation=75e3,
        	audio_pass=120e3,
        	audio_stop=140e3,
        	gain=1.0,
        	tau=75e-6,
        )
        self.analog_fm_demod_cf_0 = analog.fm_demod_cf(
        	channel_rate=samp_rate,
        	audio_decim=decimation,
        	deviation=75e3,
        	audio_pass=120e3,
        	audio_stop=140e3,
        	gain=1.0,
        	tau=75e-6,
        )
        self.RPi_Rx_RPi_Rx_0_0 = RPi_Rx.RPi_Rx(bits_per_sym, samp_per_sym, packet_len, 65)
        self.RPi_Rx_RPi_Rx_0 = RPi_Rx.RPi_Rx(bits_per_sym, samp_per_sym, packet_len, 65)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_fm_demod_cf_0, 0), (self.RPi_Rx_RPi_Rx_0, 0))
        self.connect((self.RPi_Rx_RPi_Rx_0, 0), (self.blocks_null_sink_0, 0))
        self.connect((self.RPi_Rx_RPi_Rx_0, 0), (self.blocks_float_to_char_0, 0))
        self.connect((self.analog_pwr_squelch_xx_0, 0), (self.analog_fm_demod_cf_0, 0))
        self.connect((self.blocks_skiphead_0, 0), (self.analog_pwr_squelch_xx_0, 0))
        self.connect((self.osmosdr_source_0, 0), (self.blocks_skiphead_0, 0))
        self.connect((self.blocks_float_to_char_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blks2_tcp_sink_0_0, 0))
        self.connect((self.blocks_float_to_char_0_0, 0), (self.blocks_pack_k_bits_bb_0_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0_0, 0), (self.blks2_tcp_sink_0_0_0, 0))
        self.connect((self.analog_fm_demod_cf_0_0, 0), (self.RPi_Rx_RPi_Rx_0_0, 0))
        self.connect((self.RPi_Rx_RPi_Rx_0_0, 0), (self.blocks_null_sink_0_0, 0))
        self.connect((self.RPi_Rx_RPi_Rx_0_0, 0), (self.blocks_float_to_char_0_0, 0))
        self.connect((self.analog_pwr_squelch_xx_0_0, 0), (self.analog_fm_demod_cf_0_0, 0))
        self.connect((self.blocks_skiphead_0_0, 0), (self.analog_pwr_squelch_xx_0_0, 0))
        self.connect((self.osmosdr_source_0_0, 0), (self.blocks_skiphead_0_0, 0))
    def __init__(self):
        gr.top_block.__init__(self, "Test Corr And Sync")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Test Corr And Sync")
        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", "test_corr_and_sync")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.eb = eb = 0.35
        self.time_offset = time_offset = 1
        self.samp_rate = samp_rate = 100000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), eb, 5*sps*nfilts)
        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 = phase = 0
        self.payload_size = payload_size = 992
        self.noise = noise = 0
        self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
        self.gap = gap = 20000
        self.freq_offset = freq_offset = 0
        self.constel = constel = digital.constellation_calcdist(([1,- 1]), ([0,1]), 2, 1).base()
        self.bb_filter = bb_filter = firdes.root_raised_cosine(sps, sps, 1, eb, 101)

        ##################################################
        # Blocks
        ##################################################
        self._time_offset_layout = Qt.QVBoxLayout()
        self._time_offset_label = Qt.QLabel("Timing Offset")
        self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._time_offset_slider.setRange(0.995, 1.005, 0.00001)
        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_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._time_offset_layout.addWidget(self._time_offset_label)
        self._time_offset_layout.addWidget(self._time_offset_slider)
        self.top_grid_layout.addLayout(self._time_offset_layout, 4,1,1,1)
        self._noise_layout = Qt.QVBoxLayout()
        self._noise_label = Qt.QLabel("Noise")
        self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._noise_slider.setRange(0, 1, 0.005)
        self._noise_slider.setValue(self.noise)
        self._noise_slider.setMinimumWidth(200)
        self._noise_slider.valueChanged.connect(self.set_noise)
        self._noise_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._noise_layout.addWidget(self._noise_label)
        self._noise_layout.addWidget(self._noise_slider)
        self.top_grid_layout.addLayout(self._noise_layout, 3,0,1,1)
        self._freq_offset_layout = Qt.QVBoxLayout()
        self._freq_offset_label = Qt.QLabel("Frequency Offset")
        self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._freq_offset_slider.setRange(-0.001, 0.001, 0.00002)
        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_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._freq_offset_layout.addWidget(self._freq_offset_label)
        self._freq_offset_layout.addWidget(self._freq_offset_slider)
        self.top_grid_layout.addLayout(self._freq_offset_layout, 4,0,1,1)
        self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
        	80000, #size
        	samp_rate, #samp_rate
        	"QT GUI Plot", #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(-200, 400)
        self.qtgui_time_sink_x_1.enable_tags(-1, True)
        self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 200, 0, 0, "")
        self.qtgui_time_sink_x_1.enable_autoscale(False)
        
        labels = ["|corr|^2", "Re{corr}", "Im{corr}", "", "",
                  "", "", "", "", ""]
        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.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1,0,1,2)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	50000, #size
        	samp_rate, #samp_rate
        	"QT GUI Plot", #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(-2, 2)
        self.qtgui_time_sink_x_0.enable_tags(-1, True)
        self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 1, 0.1, 0, "time_est")
        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(2*1):
            if len(labels[i]) == 0:
                if(i % 2 == 0):
                    self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
                else:
                    self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
            else:
                self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
            self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
            self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 0,0,1,1)
        (self.qtgui_time_sink_x_0).set_processor_affinity([0])
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
        	1000, #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_TAG, qtgui.TRIG_SLOPE_POS, 0, 0, "time_est")
        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_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 0,1,1,1)
        self._phase_layout = Qt.QVBoxLayout()
        self._phase_label = Qt.QLabel("Phase offset")
        self._phase_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._phase_slider.setRange(-2*scipy.pi, 2*scipy.pi, 0.1)
        self._phase_slider.setValue(self.phase)
        self._phase_slider.setMinimumWidth(200)
        self._phase_slider.valueChanged.connect(self.set_phase)
        self._phase_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._phase_layout.addWidget(self._phase_label)
        self._phase_layout.addWidget(self._phase_slider)
        self.top_grid_layout.addLayout(self._phase_layout, 3,1,1,1)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2*3.14/100.0, (rrc_taps), nfilts, 0, 0.5, 1)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1*3.14/50.0, 2)
        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=constel,
          differential=False,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=eb,
          verbose=False,
          log=False,
          )
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise,
        	frequency_offset=freq_offset,
        	epsilon=time_offset,
        	taps=(1.0, ),
        	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_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_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_gr_complex*1, ((len(preamble)+8*payload_size)*sps, gap))
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_null_source_0_0 = blocks.null_source(gr.sizeof_gr_complex*1)
        self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
        self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 100000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_complex_to_float_0, 0), (self.qtgui_time_sink_x_1, 1))
        self.connect((self.blocks_complex_to_mag_0, 0), (self.qtgui_time_sink_x_1, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.blocks_null_source_0_0, 0), (self.blocks_stream_mux_0_0, 1))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.blocks_stream_mux_0_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_complex_to_float_0, 1), (self.qtgui_time_sink_x_1, 2))
        self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 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_stream_mux_0_0, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_complex_to_mag_0, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_complex_to_float_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
        self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_mux_0_0_0, 1))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
Example #50
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):
        gr.top_block.__init__(self, "Tx Application")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Tx 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", "tx_application")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        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.usrp_rf_freq = usrp_rf_freq = 2475e6
        self.sps = sps = 4
        self.samp_rate = samp_rate = 200000
        self.qpsk = qpsk = digital.constellation_rect(([0.25*(0.707+0.707j),0.25*( -0.707+0.707j),0.25*( -0.707-0.707j), 0.25*(0.707-0.707j)]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.preamble_qpsk = preamble_qpsk = map(lambda x: x*(1+1j)/pow(2,0.5), preamble)
        self.payload_size = payload_size = 100
        self.length_tag_key = length_tag_key = "packet_len"
        self.header_len = header_len = 4
        self.gain = gain = 26
        self.eb = eb = 0.35
        self.digital_gain = digital_gain = 1.0/4
        self.crc_len = crc_len = 4
        self.bps = bps = 2
        self.addr = addr = "addr=192.168.60.2"

        ##################################################
        # 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_layout.addWidget(self._usrp_rf_freq_win)
        self._gain_range = Range(0, 31.5, 0.5, 26, 200)
        self._gain_win = RangeWidget(self._gain_range, self.set_gain, "Tx Gain", "counter_slider")
        self.top_layout.addWidget(self._gain_win)
        self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
        	",".join((addr, "")),
        	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_center_freq(usrp_rf_freq, 0)
        self.uhd_usrp_sink_0_0.set_gain(gain, 0)
        self.uhd_usrp_sink_0_0.set_antenna("J1", 0)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	usrp_rf_freq, #fc
        	samp_rate, #bw
        	"QT GUI Plot", #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(-120, 20)
        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_control_panel(False)
        
        if not True:
          self.qtgui_freq_sink_x_0.disable_legend()
        
        if complex == type(float()):
          self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
                  "magenta", "yellow", "dark red", "dark green", "dark blue"]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
        self.qpsk_preamp_to_bits = blocks.vector_source_b(map(lambda x: int((x*(1j-1)/pow(2,0.5)).real+1), preamble_qpsk), True, 1, [])
        self.padded_bits = blocks.vector_source_b((0,0,0,0,0,0,0,0), True, 1, [])
        (self.padded_bits).set_block_alias("padded bits")
        self.digital_packet_headergenerator_bb_default_0 = digital.packet_headergenerator_bb(header_len*8, length_tag_key)
        self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=False,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=eb,
          verbose=False,
          log=False,
          )
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, payload_size, length_tag_key)
        self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)*bps/8,header_len,payload_size+crc_len,6))
        self.blocks_pack_k_bits_bb_0_1 = blocks.pack_k_bits_bb(8)
        self.blocks_pack_k_bits_bb_0_0 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((digital_gain, ))
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/users/lwei/GITfolder/wirelessacademy/BasicTxRx/wilabt/file_sent.txt", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_freq_sink_x_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0_0, 0))    
        self.connect((self.blocks_pack_k_bits_bb_0_1, 0), (self.blocks_stream_mux_0_0_0, 0))    
        self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))    
        self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.digital_crc32_bb_0, 0))    
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_0_1, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.digital_packet_headergenerator_bb_default_0, 0), (self.blocks_pack_k_bits_bb_0_0, 0))    
        self.connect((self.padded_bits, 0), (self.blocks_stream_mux_0_0_0, 3))    
        self.connect((self.qpsk_preamp_to_bits, 0), (self.blocks_unpack_k_bits_bb_0, 0))    
        self.connect((self.digital_crc32_bb_0, 0), (self.blocks_stream_mux_0_0_0, 2))    
        self.connect((self.digital_crc32_bb_0, 0), (self.digital_packet_headergenerator_bb_default_0, 0))    
        self.connect((self.blocks_pack_k_bits_bb_0_0, 0), (self.blocks_stream_mux_0_0_0, 1))