diff options
Diffstat (limited to 'gnuradio-examples/python/usrp/limbo/flexrf_siggen.py')
| -rwxr-xr-x | gnuradio-examples/python/usrp/limbo/flexrf_siggen.py | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/gnuradio-examples/python/usrp/limbo/flexrf_siggen.py b/gnuradio-examples/python/usrp/limbo/flexrf_siggen.py new file mode 100755 index 000000000..6a59148b8 --- /dev/null +++ b/gnuradio-examples/python/usrp/limbo/flexrf_siggen.py @@ -0,0 +1,148 @@ +#!/usr/bin/env python + +from gnuradio import gr, gru +from gnuradio import usrp +from gnuradio.eng_option import eng_option +from optparse import OptionParser +from gnuradio.wxgui import stdgui, slider +import wx + +class flex_siggen (stdgui.gui_flow_graph): + __slots__ = ['interp', 'waveform_type', 'waveform_ampl', + 'waveform_freq', 'waveform_offset', 'fg', 'usrp', + 'siggen', 'noisegen', 'src', 'file_sink' ] + + def __init__ (self,frame,panel,vbox,argv): + stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv) + + self.frame = frame + self.panel = panel + + parser = OptionParser (option_class=eng_option) + parser.add_option ("-a", "--amplitude", type="int", default=32000, + help="amplitude") + parser.add_option ("-i", "--interp", type="int", default=64, + help="set fpga interpolation rate to INTERP") + parser.add_option ("-n", "--nchannels", type="int", default=1, + help="set number of output channels to NCHANNELS") + (options, args) = parser.parse_args () + + self.waveform_type = gr.GR_CONST_WAVE + self.waveform_ampl = options.amplitude + self.waveform_freq = 100.12345e3 + self.waveform_offset = 0 + + self.interp = options.interp + self._instantiate_blocks () + self.usrp.set_nchannels (options.nchannels) + + self.dboard=self.usrp.db[0][0] + + self.set_waveform_type (self.waveform_type) + vbox.Add(slider.slider(panel, 390, 510, self.set_rf_freq), 1, wx.EXPAND|wx.ALIGN_CENTER) + vbox.Add(slider.slider(panel, -45000, +45000, self.set_if_freq), 1, wx.EXPAND|wx.ALIGN_CENTER) + #vbox.Add(slider.slider(panel, 0, 4095, self.set_gain), 1, wx.EXPAND|wx.ALIGN_CENTER) + + def usb_freq (self): + return self.usrp.dac_freq() / self.interp + + def usb_throughput (self): + return self.usb_freq () * 4 + + def set_waveform_type (self, type): + ''' + valid waveform types are: gr.GR_SIN_WAVE, gr.GR_CONST_WAVE, + gr.GR_UNIFORM and gr.GR_GAUSSIAN + ''' + self._configure_graph (type) + self.waveform_type = type + + def set_waveform_ampl (self, ampl): + self.waveform_ampl = ampl + self.siggen.set_amplitude (ampl) + self.noisegen.set_amplitude (ampl) + + def set_waveform_freq (self, freq): + self.waveform_freq = freq + self.siggen.set_frequency (freq) + + def set_if_freq (self, freq): + self.if_freq = freq + self.usrp.set_tx_freq (0,freq*1e3) + + def set_rf_freq (self, freq): + self.rf_freq = freq + (success,actual_freq) = self.dboard.set_freq (freq*1e6) + if not success: + print "Failed on ", freq + + def set_waveform_offset (self, offset): + self.waveform_offset = offset + self.siggen.set_offset (offset) + + def set_interpolator (self, interp): + self.interp = interp + self.siggen.set_sampling_freq (self.usb_freq ()) + self.usrp.set_interp_rate (interp) + + def set_duc_freq (self, freq): + self.usrp.set_tx_freq (0, freq) + + def _instantiate_blocks (self): + self.src = None + self.usrp = usrp.sink_c (0, self.interp) + + self.siggen = gr.sig_source_c (self.usb_freq (), + gr.GR_SIN_WAVE, + self.waveform_freq, + self.waveform_ampl, + self.waveform_offset) + + self.noisegen = gr.noise_source_c (gr.GR_UNIFORM, + self.waveform_ampl) + print "done" + + def _configure_graph (self, type): + was_running = self.is_running () + if was_running: + self.stop () + self.disconnect_all () + if type == gr.GR_SIN_WAVE or type == gr.GR_CONST_WAVE: + self.connect (self.siggen, self.usrp) + self.siggen.set_waveform (type) + self.src = self.siggen + elif type == gr.GR_UNIFORM or type == gr.GR_GAUSSIAN: + self.connect (self.noisegen, self.usrp) + self.noisegen.set_type (type) + self.src = self.noisegen + else: + raise ValueError, type + if was_running: + self.start () + + +if __name__ == '__main__': + parser = OptionParser (option_class=eng_option) + parser.add_option ("--sine", dest="type", action="store_const", const=gr.GR_SIN_WAVE, + help="generate a complex sinusoid [default]", default=gr.GR_SIN_WAVE) + parser.add_option ("--const", dest="type", action="store_const", const=gr.GR_CONST_WAVE, + help="generate a constant output") + parser.add_option ("--gaussian", dest="type", action="store_const", const=gr.GR_GAUSSIAN, + help="generate Gaussian random output") + parser.add_option ("--uniform", dest="type", action="store_const", const=gr.GR_UNIFORM, + help="generate Uniform random output") + parser.add_option ("-f", "--freq", type="eng_float", default=100e3, + help="set waveform frequency to FREQ") + parser.add_option ("-r", "--rf-freq", type="eng_float", default=910e6, + help="set waveform frequency to FREQ") + parser.add_option ("-a", "--amplitude", type="eng_float", default=16e3, + help="set waveform amplitude to AMPLITUDE", metavar="AMPL") + parser.add_option ("-o", "--offset", type="eng_float", default=0, + help="set waveform offset to OFFSET") + parser.add_option ("-c", "--duc-freq", type="eng_float", default=0, + help="set Tx DUC frequency to FREQ", metavar="FREQ") + parser.add_option ("-m", "--mux", type="intx", default=0x98, + help="set output mux register") + + app = stdgui.stdapp (flex_siggen, "USRP FlexRF Siggen") + app.MainLoop () |