def test_001(self):
#test complementary operation of framer & deframer
#want to frame some random data that has enough consecutive bits to
#stuff at least a few bits
npkts = 20
src_data = [0xFE, 0xDA, 0xAC, 0x29, 0x7F, 0xA2, 0x90, 0x0F, 0xF8]
frame = digital.hdlc_framer_pb("wat")
corr = digital.correlate_access_code_tag_bb("01111110", 0, "frame")
deframe = digital.hdlc_deframer_bp("frame", 32, 500)
debug = blocks.message_debug()
self.tb.connect(frame, corr, deframe)
self.tb.msg_connect(deframe, "out", debug, "store")
self.tb.start()
msg = pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(src_data),src_data))
for i in xrange(npkts):
frame.to_basic_block()._post(pmt.intern("in"), msg)
sleep(0.2)
self.tb.stop()
self.tb.wait()
rxmsg = debug.get_message(0)
result_len = pmt.blob_length(pmt.cdr(rxmsg))
msg_data = []
for j in xrange(result_len):
msg_data.append(pmt.u8vector_ref(pmt.cdr(rxmsg), j))
self.assertEqual(src_data, msg_data)
def test_001(self):
#test complementary operation of framer & deframer
#want to frame some random data that has enough consecutive bits to
#stuff at least a few bits
npkts = 20
src_data = [0xFE, 0xDA, 0xAC, 0x29, 0x7F, 0xA2, 0x90, 0x0F, 0xF8]
frame = digital.hdlc_framer_pb("wat")
corr = digital.correlate_access_code_tag_bb("01111110", 0, "frame")
deframe = digital.hdlc_deframer_bp("frame", 32, 500)
debug = blocks.message_debug()
self.tb.connect(frame, corr, deframe)
self.tb.msg_connect(deframe, "out", debug, "store")
self.tb.start()
msg = pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(len(src_data), src_data))
for i in xrange(npkts):
frame.to_basic_block()._post(pmt.intern("in"), msg)
sleep(0.2)
self.tb.stop()
self.tb.wait()
rxmsg = debug.get_message(0)
result_len = pmt.blob_length(pmt.cdr(rxmsg))
msg_data = []
for j in xrange(result_len):
msg_data.append(pmt.u8vector_ref(pmt.cdr(rxmsg), j))
self.assertEqual(src_data, msg_data)
def __init__(self):
gr.top_block.__init__(self, "Hdlc Frame")
Qt.QWidget.__init__(self)
self.setWindowTitle("Hdlc Frame")
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", "hdlc_Frame")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 48e3
self.message = message = 'a', 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0
##################################################
# Blocks
##################################################
self.satellites_pdu_to_kiss_0 = satellites.pdu_to_kiss()
self.qtgui_edit_box_msg_0 = qtgui.edit_box_msg(qtgui.STRING, '', '',
False, False, '')
self._qtgui_edit_box_msg_0_win = sip.wrapinstance(
self.qtgui_edit_box_msg_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_edit_box_msg_0_win)
self.epy_block_0 = epy_block_0.blk()
self.digital_hdlc_framer_pb_0 = digital.hdlc_framer_pb('packet_len')
self.digital_hdlc_deframer_bp_0 = digital.hdlc_deframer_bp(32, 500)
self.blocks_random_pdu_0 = blocks.random_pdu(16, 64, chr(0xFF), 2)
self.blocks_message_strobe_random_0 = blocks.message_strobe_random(
pmt.intern("TEST"), blocks.STROBE_POISSON, 10000, 500)
self.blocks_message_debug_1 = blocks.message_debug()
self.blocks_message_debug_0 = blocks.message_debug()
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_random_0, 'strobe'),
(self.blocks_random_pdu_0, 'generate'))
self.msg_connect((self.blocks_random_pdu_0, 'pdus'),
(self.satellites_pdu_to_kiss_0, 'in'))
self.msg_connect((self.digital_hdlc_deframer_bp_0, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.satellites_pdu_to_kiss_0, 'out'),
(self.digital_hdlc_framer_pb_0, 'in'))
self.connect((self.digital_hdlc_framer_pb_0, 0),
(self.digital_hdlc_deframer_bp_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ask Tx Top Raspi")
##################################################
# Variables
##################################################
self.sound_card_sample_rate = sound_card_sample_rate = 44000
self.samples_per_symbol = samples_per_symbol = 19
self.symbol_rate = symbol_rate = sound_card_sample_rate / samples_per_symbol
self.bits_per_symbol = bits_per_symbol = 1
self.variable_rrc_filter_taps = variable_rrc_filter_taps = firdes.root_raised_cosine(
15, sound_card_sample_rate, symbol_rate, 0.5, 70)
self.bit_rate = bit_rate = symbol_rate / bits_per_symbol
##################################################
# Blocks
##################################################
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(
samples_per_symbol, (variable_rrc_filter_taps))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.digital_hdlc_framer_pb_0 = digital.hdlc_framer_pb('packet_len')
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bf(
([-1, 1]), 1)
self.blocks_throttle_1 = blocks.throttle(gr.sizeof_char * 1, bit_rate,
True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, 'packet_len')
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, 32, "packet_len")
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
'./test_src_file.txt',
True)
self.audio_sink_0 = audio.sink(int(sound_card_sample_rate), '', True)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
(self.digital_hdlc_framer_pb_0, 'in'))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_1, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_throttle_1, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.interp_fir_filter_xxx_0, 0))
self.connect((self.digital_hdlc_framer_pb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.audio_sink_0, 0))
def __init__(self, frameTag="packet_len", numRevs=20):
gr.hier_block2.__init__(
self,
"AX.25 Packet Formatter",
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")
##################################################
# Parameters
##################################################
self.frameTag = frameTag
self.numRevs = numRevs
##################################################
# Blocks
##################################################
self.digital_hdlc_framer_pb_0 = digital.hdlc_framer_pb(frameTag)
self.blocks_vector_source_x_0 = blocks.vector_source_b(
tuple([0, 1, 1, 1, 1, 1, 1, 0] * numRevs), True, 1, [])
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, frameTag)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_char * 1, frameTag, 0)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, numRevs * 8, frameTag)
self.amateur_Tagged_Nrzi_Encoder_0 = amateur.Tagged_Nrzi_Encoder(
frameTag, 1)
self.amateur_AX25_Packet_Encoder_0 = amateur.AX25_Packet_Encoder()
##################################################
# Connections
##################################################
self.msg_connect((self.amateur_AX25_Packet_Encoder_0, 'pkt'),
(self.digital_hdlc_framer_pb_0, 'in'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
(self, 'out'))
self.msg_connect((self, 'in'),
(self.amateur_AX25_Packet_Encoder_0, 'data'))
self.connect((self.amateur_Tagged_Nrzi_Encoder_0, 0),
(self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.amateur_Tagged_Nrzi_Encoder_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.digital_hdlc_framer_pb_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
def __init__(self,
tx_file,
bits_per_symbol=2,
rolloff=0.5,
sound_card_sample_rate=22000):
gr.top_block.__init__(self, "If Psk Tx Rpi")
##################################################
# Variables
##################################################
self.sound_card_sample_rate = sound_card_sample_rate
self.samples_per_symbol = samples_per_symbol = 16
self.symbol_rate = symbol_rate = sound_card_sample_rate / samples_per_symbol
self.bits_per_symbol = bits_per_symbol
self.hdlc_packet_overhead = hdlc_packet_overhead = 6 * 8
self.hdlc_packet_length = hdlc_packet_length = 16 * 8
self.channel_bit_rate = channel_bit_rate = symbol_rate * bits_per_symbol
self.source_bit_rate = source_bit_rate = channel_bit_rate * hdlc_packet_length / (
hdlc_packet_overhead + hdlc_packet_length)
self.rolloff = rolloff
self.quantization_depth = quantization_depth = 16
self.if_frequency = if_frequency = sound_card_sample_rate / 4
##################################################
# Blocks
##################################################
self.digital_psk_mod_0 = digital.psk.psk_mod(
constellation_points=pow(2, bits_per_symbol),
mod_code="gray",
differential=True,
samples_per_symbol=samples_per_symbol,
excess_bw=rolloff,
verbose=False,
log=False,
)
self.digital_hdlc_framer_pb_0 = digital.hdlc_framer_pb("packet_len")
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(
1, gr.GR_MSB_FIRST)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, "packet_len")
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, hdlc_packet_length / 8, "packet_len")
self.blocks_multiply_xx_0_0_1 = blocks.multiply_vff(1)
self.blocks_multiply_xx_0_0_0 = blocks.multiply_vff(1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
tx_file, False)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.audio_sink_0 = audio.sink(int(sound_card_sample_rate), "", True)
self.analog_sig_source_x_0_0 = analog.sig_source_f(
sound_card_sample_rate, analog.GR_COS_WAVE, if_frequency, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_f(
sound_card_sample_rate, analog.GR_SIN_WAVE, if_frequency, 1, 0)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'),
(self.digital_hdlc_framer_pb_0, 'in'))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0_0_1, 1))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_multiply_xx_0_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_complex_to_float_0, 0),
(self.blocks_multiply_xx_0_0_0, 1))
self.connect((self.blocks_complex_to_float_0, 1),
(self.blocks_multiply_xx_0_0_1, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_multiply_xx_0_0_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_0_1, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0),
(self.digital_psk_mod_0, 0))
self.connect((self.digital_hdlc_framer_pb_0, 0),
(self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.digital_psk_mod_0, 0),
(self.blocks_complex_to_float_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Tx Top")
Qt.QWidget.__init__(self)
self.setWindowTitle("Tx Top")
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_top")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sound_card_sample_rate = sound_card_sample_rate = 96000
self.samples_per_symbol = samples_per_symbol = 19
self.symbol_rate = symbol_rate = sound_card_sample_rate/samples_per_symbol
self.variable_rrc_filter_taps = variable_rrc_filter_taps = firdes.root_raised_cosine(15, sound_card_sample_rate, symbol_rate, 0.5, 70)
self.bits_per_symbol = bits_per_symbol = 1
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
500, #size
sound_card_sample_rate, #samp_rate
"Baseband TX signal", #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.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(samples_per_symbol, (variable_rrc_filter_taps))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.digital_hdlc_framer_pb_0 = digital.hdlc_framer_pb('packet_len')
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bf(([-1,1]), 1)
self.blocks_wavfile_sink_0 = blocks.wavfile_sink('tx_signal.wav', 1, sound_card_sample_rate, 8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, sound_card_sample_rate,True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'packet_len')
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 32, "packet_len")
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/usr/src/app/test_src_file.txt', True)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.digital_hdlc_framer_pb_0, 'in'))
self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.interp_fir_filter_xxx_0, 0))
self.connect((self.digital_hdlc_framer_pb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.blocks_wavfile_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self, "If Psk Tx")
Qt.QWidget.__init__(self)
self.setWindowTitle("If Psk Tx")
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", "if_psk_tx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sound_card_sample_rate = sound_card_sample_rate = 11025
self.samples_per_symbol = samples_per_symbol = 16
self.symbol_rate = symbol_rate = sound_card_sample_rate/samples_per_symbol
self.bits_per_symbol = bits_per_symbol = 2
self.hdlc_packet_overhead = hdlc_packet_overhead = 6*8
self.hdlc_packet_length = hdlc_packet_length = 16*8
self.channel_bit_rate = channel_bit_rate = symbol_rate*bits_per_symbol
self.source_bit_rate = source_bit_rate = channel_bit_rate*hdlc_packet_length/(hdlc_packet_overhead+hdlc_packet_length)
self.rolloff = rolloff = 0.5
self.quantization_depth = quantization_depth = 16
self.if_frequency = if_frequency = sound_card_sample_rate/4
##################################################
# Blocks
##################################################
self.final_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
sound_card_sample_rate, #bw
"IF modulated signal", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
False, #plotconst
)
self.final_0.set_update_time(1.0/10)
self._final_0_win = sip.wrapinstance(self.final_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._final_0_win)
self.final_0.enable_rf_freq(False)
self.final = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
sound_card_sample_rate, #bw
"Baseband signal", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.final.set_update_time(1.0/10)
self._final_win = sip.wrapinstance(self.final.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._final_win)
self.final.enable_rf_freq(False)
self.digital_psk_mod_0 = digital.psk.psk_mod(
constellation_points=pow(2,bits_per_symbol),
mod_code="gray",
differential=True,
samples_per_symbol=samples_per_symbol,
excess_bw=rolloff,
verbose=False,
log=False,
)
self.digital_hdlc_framer_pb_0 = digital.hdlc_framer_pb("packet_len")
self.blocks_wavfile_sink_0 = blocks.wavfile_sink("tx_signal.wav", 1, sound_card_sample_rate, quantization_depth)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char*1, source_bit_rate/8,True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, sound_card_sample_rate,True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, "packet_len")
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, hdlc_packet_length/8, "packet_len")
self.blocks_multiply_xx_0_0_1 = blocks.multiply_vff(1)
self.blocks_multiply_xx_0_0_0 = blocks.multiply_vff(1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "test_tx_file_ordered.csv", False)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.analog_sig_source_x_0_0 = analog.sig_source_f(sound_card_sample_rate, analog.GR_COS_WAVE, if_frequency, 1, 0)
self.analog_sig_source_x_0 = analog.sig_source_f(sound_card_sample_rate, analog.GR_SIN_WAVE, if_frequency, 1, 0)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.digital_hdlc_framer_pb_0, 'in'))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0_0_1, 1))
self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.final_0, 0))
self.connect((self.blocks_complex_to_float_0, 0), (self.blocks_multiply_xx_0_0_0, 1))
self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0_0_1, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.blocks_multiply_xx_0_0_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_xx_0_0_1, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_wavfile_sink_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.digital_psk_mod_0, 0))
self.connect((self.digital_hdlc_framer_pb_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.digital_psk_mod_0, 0), (self.blocks_complex_to_float_0, 0))
self.connect((self.digital_psk_mod_0, 0), (self.final, 0))
def __init__(self,
baud_rate=1200,
mark_freq=1200,
offset=50e3,
postamble_len=4,
preamble_len=.1,
rf_samp_rate=2.4e6,
space_freq=2200):
gr.hier_block2.__init__(
self,
"afsk_ax25_mod",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
self.message_port_register_hier_in("packets")
##################################################
# Parameters
##################################################
self.baud_rate = baud_rate
self.mark_freq = mark_freq
self.offset = offset
self.postamble_len = postamble_len
self.preamble_len = preamble_len
self.rf_samp_rate = rf_samp_rate
self.space_freq = space_freq
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 48000
self.sps = sps = samp_rate / baud_rate
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=int(rf_samp_rate),
decimation=int(samp_rate),
taps=None,
fractional_bw=None,
)
self.hsl_ptt_cc_0 = hsl.ptt_cc()
self.digital_hdlc_framer_pb_0 = digital.hdlc_framer_pb('packet_len')
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2)
self.digital_chunks_to_symbols_xx_1 = digital.chunks_to_symbols_bf(
([mark_freq, space_freq]), 1)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b([0x7e], True,
1, [])
self.blocks_vector_source_x_0 = blocks.vector_source_b([0x7e], True, 1,
[])
self.blocks_vco_f_0 = blocks.vco_f(samp_rate, 2 * math.pi, .95)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_char * 1, 'packet_len', 0)
self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, postamble_len * 8, "packet_len")
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, int(baud_rate * preamble_len), "packet_len")
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_char * 1, sps)
self.blocks_packed_to_unpacked_xx_0_0 = blocks.packed_to_unpacked_bb(
1, gr.GR_LSB_FIRST)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
1, gr.GR_LSB_FIRST)
self.blocks_not_xx_0_0_0_0 = blocks.not_bb()
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_and_const_xx_0_0_0_0 = blocks.and_const_bb(1)
self.analog_sig_source_x_0 = analog.sig_source_c(
rf_samp_rate, analog.GR_COS_WAVE, offset, 1, 0)
self.analog_nbfm_tx_0 = analog.nbfm_tx(
audio_rate=samp_rate,
quad_rate=samp_rate,
tau=75e-6,
max_dev=5e3,
fh=-1.0,
)
##################################################
# Connections
##################################################
self.msg_connect((self, 'packets'),
(self.digital_hdlc_framer_pb_0, 'in'))
self.connect((self.analog_nbfm_tx_0, 0), (self.hsl_ptt_cc_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_and_const_xx_0_0_0_0, 0),
(self.digital_diff_encoder_bb_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self, 0))
self.connect((self.blocks_not_xx_0_0_0_0, 0),
(self.blocks_and_const_xx_0_0_0_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0_0, 0),
(self.blocks_stream_to_tagged_stream_0_0, 0))
self.connect((self.blocks_repeat_0, 0),
(self.digital_chunks_to_symbols_xx_1, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
(self.blocks_tagged_stream_mux_0, 2))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.blocks_not_xx_0_0_0_0, 0))
self.connect((self.blocks_vco_f_0, 0), (self.analog_nbfm_tx_0, 0))
self.connect((self.blocks_vco_f_0, 0), (self.hsl_ptt_cc_0, 1))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0),
(self.blocks_packed_to_unpacked_xx_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_1, 0),
(self.blocks_vco_f_0, 0))
self.connect((self.digital_diff_encoder_bb_0, 0),
(self.blocks_repeat_0, 0))
self.connect((self.digital_hdlc_framer_pb_0, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.hsl_ptt_cc_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.blocks_multiply_xx_0, 1))