def set_chirpLen_s(self, chirpLen_s):
self.chirpLen_s = chirpLen_s
self.blocks_vector_source_x_0.set_data(chirp.chirp(self.numSamples, self.chirpLen_s, self.start_Hz, self.stop_Hz), [])
def __init__(self):
gr.top_block.__init__(self, "Chirp Function")
Qt.QWidget.__init__(self)
self.setWindowTitle("Chirp Function")
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", "Chirp_Gui")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Variables
##################################################
self.stop_Hz = stop_Hz = 20000
self.start_Hz = start_Hz = 100
self.samp_rate = samp_rate = 48000
self.numSamples = numSamples = 80000
self.chirpLen_s = chirpLen_s = 1
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=samp_rate,
decimation=numSamples,
taps=None,
fractional_bw=None)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"Chirp", #name
1
)
self.qtgui_freq_sink_x_0.set_update_time(0.1)
self.qtgui_freq_sink_x_0.set_y_axis(-200, 0)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
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 range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_float*1, numSamples)
self.blocks_vector_source_x_0 = blocks.vector_source_f(chirp.chirp(numSamples, chirpLen_s, start_Hz, stop_Hz), True, numSamples, [])
self.audio_sink_0 = audio.sink(samp_rate, '', True)
##################################################
# Connections
##################################################
self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_vector_to_stream_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
def set_start_Hz(self, start_Hz):
self.start_Hz = start_Hz
self.blocks_vector_source_x_0.set_data(chirp.chirp(self.numSamples, self.chirpLen_s, self.start_Hz, self.stop_Hz), [])