diff options
Diffstat (limited to 'gnuradio-examples/python/usrp/flexrf_debug.py')
| -rwxr-xr-x | gnuradio-examples/python/usrp/flexrf_debug.py | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/gnuradio-examples/python/usrp/flexrf_debug.py b/gnuradio-examples/python/usrp/flexrf_debug.py new file mode 100755 index 000000000..70c630960 --- /dev/null +++ b/gnuradio-examples/python/usrp/flexrf_debug.py @@ -0,0 +1,169 @@ +#!/usr/bin/env python +# +# Copyright 2004 Free Software Foundation, Inc. +# +# This file is part of GNU Radio +# +# GNU Radio is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# GNU Radio is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Radio; see the file COPYING. If not, write to +# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +# Boston, MA 02111-1307, USA. +# + +from gnuradio import gr, gru +from gnuradio import usrp +from gnuradio import eng_notation +from gnuradio.eng_option import eng_option +from gnuradio.wxgui import stdgui, fftsink, scopesink, slider +from optparse import OptionParser +import wx + +class app_flow_graph (stdgui.gui_flow_graph): + 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 ("-d", "--decim", type="int", default=8, + help="set fgpa decimation rate to DECIM") + parser.add_option ("-c", "--ddc-freq", type="eng_float", default=0, + help="set Digital downconverter frequency to FREQ", metavar="FREQ") + parser.add_option ("-f", "--freq", type="eng_float", default=950e6, + help="set RF downconverter frequency to FREQ", metavar="FREQ") + parser.add_option ("-m", "--mux", type="intx", default=0x32103210, + help="set fpga FR_RX_MUX register to MUX") + parser.add_option ("-g", "--gain", type="eng_float", default=0, + help="set Rx PGA gain in dB (default 0 dB)") + (options, args) = parser.parse_args () + + self.u = usrp.source_c (0, options.decim, 1, gru.hexint(options.mux), 0) + + self.u.set_verbose (0) + + input_rate = self.u.adc_freq () / self.u.decim_rate () + + block = fftsink.fft_sink_c (self, panel, fft_size=1024, sample_rate=input_rate) + self.connect (self.u, block) + vbox.Add (block.win, 10, wx.EXPAND) + + if 0: + c2f_1 = gr.complex_to_float () + scope = scopesink.scope_sink_f (self, panel, "Rx Data", input_rate) + vbox.Add (scope.win, 6, wx.EXPAND) + + self.connect (self.u,c2f_1) + self.connect ((c2f_1, 0), (scope, 0)) + self.connect ((c2f_1, 1), (scope, 1)) + + if 0: + rms_complex = gr.rms_cf(.0001) + rms_i = gr.rms_ff(.0001) + rms_q = gr.rms_ff(.0001) + + self.connect(self.u,rms_complex) + self.connect((c2f_1,0),rms_i) + self.connect((c2f_1,1),rms_q) + + ns1 = gr.null_sink(4) + ns2 = gr.null_sink(4) + ns3 = gr.null_sink(4) + + self.connect(rms_complex,ns1) + self.connect(rms_i,ns2) + self.connect(rms_q,ns3) + + # sliders + + #vbox.Add(slider.slider(panel, 0, 104, self.set_gain), 1, wx.ALIGN_CENTER) + + #vbox.Add(slider.slider(panel, 0, 4095, self.set_gain_gc1), 1, wx.ALIGN_CENTER) + #vbox.Add(slider.slider(panel, 0, 31, self.set_gain_gc2), 1, wx.ALIGN_CENTER) + #vbox.Add(slider.slider(panel, 0, 1, self.set_gain_dl), 1, wx.ALIGN_CENTER) + #vbox.Add(slider.slider(panel, 0, 200, self.set_gain_i), 1, wx.ALIGN_CENTER) + #vbox.Add(slider.slider(panel, 0, 200, self.set_gain_q), 1, wx.ALIGN_CENTER) + + self.offset = 0 + #vbox.Add(slider.slider(panel, -200, 200, self.set_offset_i), 1, wx.ALIGN_CENTER) + #vbox.Add(slider.slider(panel, -200, 200, self.set_offset_q), 1, wx.ALIGN_CENTER) + + vbox.Add(slider.slider(panel, 380, 480, self.set_rf_freq), 1, wx.EXPAND|wx.ALIGN_CENTER) + vbox.Add(slider.slider(panel, -32000, +32000, 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) + + # build small control area at bottom + hbox = wx.BoxSizer (wx.HORIZONTAL) + hbox.Add ((1, 1), 1, wx.EXPAND) + hbox.Add (wx.StaticText (panel, -1, "Set ddc freq: "), 0, wx.ALIGN_CENTER) + self.tc_freq = wx.TextCtrl (panel, -1, "", style=wx.TE_PROCESS_ENTER) + hbox.Add (self.tc_freq, 0, wx.ALIGN_CENTER) + wx.EVT_TEXT_ENTER (self.tc_freq, self.tc_freq.GetId(), self.handle_text_enter) + hbox.Add ((1, 1), 1, wx.EXPAND) + # add it to the main vbox + vbox.Add (hbox, 0, wx.EXPAND) + + self.update_status_bar () + + def set_rf_freq (self,freq): + (success,actual_freq) = self.set_freq(1e6*freq) + if not success: + print "Failed on ",freq + def set_if_freq (self,freq): + self.u.set_rx_freq(0,freq*1e3) + + def set_gain (self,gain): + self.rfrx.set_gain(gain) + + def set_gain_i (self,gain): + self.u.set_pga(0,gain/10.0) + def set_gain_q (self,gain): + self.u.set_pga(1,gain/10.0) + + def set_offset_i(self,offset): + self.offset = (self.offset & 0x0000ffff) | ((offset&0xffff)<<16) + self.u._write_fpga_reg (3,self.offset) + + def set_offset_q(self,offset): + self.offset = (self.offset & 0xffff0000) | (offset&0xffff) + self.u._write_fpga_reg (3,self.offset) + + def handle_text_enter (self, event): + str = event.GetString () + self.tc_freq.Clear () + self.u.set_rx_freq (0, eng_notation.str_to_num (str)) + self.update_status_bar () + + def update_status_bar (self): + ddc_freq = self.u.rx_freq (0) + decim_rate = self.u.decim_rate () + sample_rate = self.u.adc_freq () / decim_rate + msg = "decim: %d %sS/s DDC: %s" % ( + decim_rate, + eng_notation.num_to_str (sample_rate), + eng_notation.num_to_str (ddc_freq)) + + self.frame.GetStatusBar().SetStatusText (msg, 1) + + def set_gain(self,gain): + assert gain>=0 and gain<4096 + self.u.write_aux_dac(0,0,int(gain)) + +def main (): + app = stdgui.stdapp (app_flow_graph, "USRP FFT") + app.MainLoop () + +if __name__ == '__main__': + main () + + |