here's an example. "python parameter_demo.py --help" maybe run your script with --help to see what options it will accept...
On Fri, Apr 3, 2015 at 10:20 AM, Andreas Ladanyi <[email protected]> wrote: > If i use the parameter block with the default "ID=parameter_0" and with > "Type=Int" and type on the cmd line: > > python application.py --parameter_0 10 > > i get the error message: > > application.py: error: no such option: --parameter_0 > > Do i understand something wrong about the parameter block ? > > > > > Am 03.04.2015 um 09:56 schrieb Chris Kuethe: >> >> You want a "Parameter" block, from the Variables section. >> >> On Fri, Apr 3, 2015 at 12:51 AM, Andreas Ladanyi >> <[email protected]> wrote: >>> >>> Hi, >>> >>> i want to run an gnuradio .py application from the command line and want >>> to >>> choose parameters (like the frequency or sound level) on the command >>> line. >>> So i think about if it is possible to set block parameters / variables >>> without graphical sliders or graphical textboxes from the command line. >>> >>> Like: >>> >>> python application.py -f frequency -s sound_level >>> >>> cheers, >>> Andy >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> [email protected] >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >> > -- GDB has a 'break' feature; why doesn't it have 'fix' too?
parameter_demo.grc
Description: Binary data
#!/usr/bin/env python ################################################## # Gnuradio Python Flow Graph # Title: Parameter Demo # Author: Chris Kuethe <[email protected]> # Generated: Fri Apr 3 10:46:01 2015 ################################################## if __name__ == '__main__': import ctypes import sys if sys.platform.startswith('linux'): try: x11 = ctypes.cdll.LoadLibrary('libX11.so') x11.XInitThreads() except: print "Warning: failed to XInitThreads()" from gnuradio import analog from gnuradio import blocks from gnuradio import eng_notation from gnuradio import gr from gnuradio import wxgui from gnuradio.eng_option import eng_option from gnuradio.fft import window from gnuradio.filter import firdes from gnuradio.wxgui import fftsink2 from gnuradio.wxgui import forms from grc_gnuradio import wxgui as grc_wxgui from optparse import OptionParser import wx class parameter_demo(grc_wxgui.top_block_gui): def __init__(self, variable_frequency=4000, fixed_frequency=6000): grc_wxgui.top_block_gui.__init__(self, title="Parameter Demo") ################################################## # Parameters ################################################## self.variable_frequency = variable_frequency self.fixed_frequency = fixed_frequency ################################################## # Variables ################################################## self.slider_frequency = slider_frequency = variable_frequency self.samp_rate = samp_rate = 32000 ################################################## # Blocks ################################################## _slider_frequency_sizer = wx.BoxSizer(wx.VERTICAL) self._slider_frequency_text_box = forms.text_box( parent=self.GetWin(), sizer=_slider_frequency_sizer, value=self.slider_frequency, callback=self.set_slider_frequency, label='slider_frequency', converter=forms.int_converter(), proportion=0, ) self._slider_frequency_slider = forms.slider( parent=self.GetWin(), sizer=_slider_frequency_sizer, value=self.slider_frequency, callback=self.set_slider_frequency, minimum=-15000, maximum=15000, num_steps=200, style=wx.SL_HORIZONTAL, cast=int, proportion=1, ) self.Add(_slider_frequency_sizer) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="FFT Plot", peak_hold=False, ) self.Add(self.wxgui_fftsink2_0.win) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_add_xx_0 = blocks.add_vcc(1) self.analog_sig_source_x_1 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, slider_frequency, 1, 0) self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, fixed_frequency, 1, 0) ################################################## # Connections ################################################## self.connect((self.analog_sig_source_x_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.analog_sig_source_x_1, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0, 0)) def get_variable_frequency(self): return self.variable_frequency def set_variable_frequency(self, variable_frequency): self.variable_frequency = variable_frequency self.set_slider_frequency(self.variable_frequency) def get_fixed_frequency(self): return self.fixed_frequency def set_fixed_frequency(self, fixed_frequency): self.fixed_frequency = fixed_frequency self.analog_sig_source_x_0.set_frequency(self.fixed_frequency) def get_slider_frequency(self): return self.slider_frequency def set_slider_frequency(self, slider_frequency): self.slider_frequency = slider_frequency self._slider_frequency_slider.set_value(self.slider_frequency) self._slider_frequency_text_box.set_value(self.slider_frequency) self.analog_sig_source_x_1.set_frequency(self.slider_frequency) def get_samp_rate(self): return self.samp_rate def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.analog_sig_source_x_1.set_sampling_freq(self.samp_rate) self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate) self.blocks_throttle_0.set_sample_rate(self.samp_rate) self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate) if __name__ == '__main__': parser = OptionParser(option_class=eng_option, usage="%prog: [options]") parser.add_option("-v", "--variable-frequency", dest="variable_frequency", type="intx", default=4000, help="Set variable_frequency [default=%default]") parser.add_option("-f", "--fixed-frequency", dest="fixed_frequency", type="intx", default=6000, help="Set fixed_frequency [default=%default]") (options, args) = parser.parse_args() tb = parameter_demo(variable_frequency=options.variable_frequency, fixed_frequency=options.fixed_frequency) tb.Start(True) tb.Wait()
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