def __init__(self, itemsize, addr, port, server=True): #init hier block gr.hier_block2.__init__( self, 'tcp_source', gr.io_signature(0, 0, 0), gr.io_signature(1, 1, itemsize), ) fd = _get_sock_fd(addr, port, server) self.connect(gr.file_descriptor_source(itemsize, fd), self)
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
self.frame = frame
self.panel = panel
parser = OptionParser(option_class=eng_option)
parser.add_option("-d", "--decim", type="int", default=16,
help="set fgpa decimation rate to DECIM [default=%default]")
parser.add_option("-f", "--freq", type="eng_float", default=None,
help="set frequency to FREQ", metavar="FREQ")
parser.add_option("-W", "--waterfall", action="store_true", default=False,
help="Enable waterfall display")
parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
help="Enable oscilloscope display")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.options.gain = 1.0
self.show_debug_info = True
input_rate = 100e6 / options.decim
self.src = gr.file_descriptor_source(gr.sizeof_short, 0, False);
self.s2c = gr.interleaved_short_to_complex()
if options.waterfall:
self.scope = \
waterfallsink2.waterfall_sink_c (panel, fft_size=1024, sample_rate=input_rate)
elif options.oscilloscope:
self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate)
else:
self.scope = fftsink2.fft_sink_c (panel, fft_size=1024, y_divs=12, sample_rate=input_rate,ref_level=110,fft_rate=20)
self.connect(self.src, self.s2c, self.scope)
self._build_gui(vbox)
self._setup_events()
# set initial values
if options.freq is None:
# if no freq was specified, use the mid-point
options.freq = 0.0
if self.show_debug_info:
self.myform['decim'].set_value(self.options.decim)
def __init__(self, options): gr.flow_graph.__init__(self) # bandwidth = 12.5e3 # symbol_rate = 4800 # output_sample_rate = options.samples_per_symbol * symbol_rate # lcm = gru.lcm(options.sample_rate, output_sample_rate) # intrp = int(lcm // options.sample_rate) # decim = int(lcm // output_sample_rate) if options.input_file == '-': src = gr.file_descriptor_source(gr.sizeof_gr_complex, 0) else: src = gr.file_source(gr.sizeof_gr_complex, options.input_file) # ddc_coeffs = \ # gr.firdes.low_pass (1.0, # options.sample_rate, # bandwidth/2, # bandwidth/2, # gr.firdes.WIN_HANN) # ddc = gr.freq_xlating_fir_filter_ccf (1,ddc_coeffs,-options.frequency,options.sample_rate) # resampler = blks.rational_resampler_ccc(self, intrp, decim) qdemod = gr.quadrature_demod_cf(1.0) if options.output_file == '-': sink = gr.file_descriptor_sink(gr.sizeof_float, 1) else: sink = gr.file_sink(gr.sizeof_float, options.output_file) # if options.invert: # inverter = gr.multiply_const_ff(-1.0) # self.connect(src,qdemod,inverter,sink) # else: self.connect(src,qdemod,sink)
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
self.frame = frame
self.panel = panel
parser = OptionParser(option_class=eng_option)
parser.add_option(
"-d",
"--decim",
type="int",
default=16,
help="set fgpa decimation rate to DECIM [default=%default]")
parser.add_option("-f",
"--freq",
type="eng_float",
default=None,
help="set frequency to FREQ",
metavar="FREQ")
parser.add_option("-W",
"--waterfall",
action="store_true",
default=False,
help="Enable waterfall display")
parser.add_option("-S",
"--oscilloscope",
action="store_true",
default=False,
help="Enable oscilloscope display")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.options.gain = 1.0
self.show_debug_info = True
input_rate = 100e6 / options.decim
self.src = gr.file_descriptor_source(gr.sizeof_short, 0, False)
self.s2c = gr.interleaved_short_to_complex()
if options.waterfall:
self.scope = \
waterfallsink2.waterfall_sink_c (panel, fft_size=1024, sample_rate=input_rate)
elif options.oscilloscope:
self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate)
else:
self.scope = fftsink2.fft_sink_c(panel,
fft_size=1024,
y_divs=12,
sample_rate=input_rate,
ref_level=110,
fft_rate=20)
self.connect(self.src, self.s2c, self.scope)
self._build_gui(vbox)
self._setup_events()
# set initial values
if options.freq is None:
# if no freq was specified, use the mid-point
options.freq = 0.0
if self.show_debug_info:
self.myform['decim'].set_value(self.options.decim)
