diff options
Diffstat (limited to 'usrp/fpga/toplevel/mrfm/mrfm_fft.py')
| -rwxr-xr-x | usrp/fpga/toplevel/mrfm/mrfm_fft.py | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/usrp/fpga/toplevel/mrfm/mrfm_fft.py b/usrp/fpga/toplevel/mrfm/mrfm_fft.py deleted file mode 100755 index a4db0a53d..000000000 --- a/usrp/fpga/toplevel/mrfm/mrfm_fft.py +++ /dev/null @@ -1,319 +0,0 @@ -#!/usr/bin/env python -# -# This is mrfm_fft_sos.py -# Modification of Matt's mrfm_fft.py that reads filter coefs from file -# -# Copyright 2004,2005 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 3, 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., 51 Franklin Street, -# Boston, MA 02110-1301, 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, waterfallsink, scopesink, form, slider -from optparse import OptionParser -import wx -import sys -import mrfm - - -def pick_subdevice(u): - """ - The user didn't specify a subdevice on the command line. - If there's a daughterboard on A, select A. - If there's a daughterboard on B, select B. - Otherwise, select A. - """ - if u.db[0][0].dbid() >= 0: # dbid is < 0 if there's no d'board or a problem - return (0, 0) - if u.db[1][0].dbid() >= 0: - return (1, 0) - return (0, 0) - -def read_ints(filename): - try: - f = open(filename) - ints = [ int(i) for i in f.read().split() ] - f.close() - return ints - except: - return [] - -class app_flow_graph(stdgui.gui_flow_graph): - def __init__(self, frame, panel, vbox, argv): - stdgui.gui_flow_graph.__init__(self) - - self.frame = frame - self.panel = panel - - parser = OptionParser(option_class=eng_option) - parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, - help="select USRP Rx side A or B (default=first one with a daughterboard)") - 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("-g", "--gain", type="eng_float", default=None, - help="set gain in dB (default is midpoint)") - parser.add_option("-W", "--waterfall", action="store_true", default=False, - help="Enable waterfall display") - parser.add_option("-8", "--width-8", action="store_true", default=False, - help="Enable 8-bit samples across USB") - parser.add_option("-S", "--oscilloscope", action="store_true", default=False, - help="Enable oscilloscope display") - parser.add_option("-F", "--filename", default=None, - help="Name of file with filter coefficients") - parser.add_option("-C", "--cfilename", default=None, - help="Name of file with compensator coefficients") - parser.add_option("-B", "--bitstream", default="mrfm.rbf", - help="Name of FPGA Bitstream file (.rbf)") - parser.add_option("-n", "--frame-decim", type="int", default=20, - help="set oscope frame decimation factor to n [default=12]") - (options, args) = parser.parse_args() - if len(args) != 0: - parser.print_help() - sys.exit(1) - - self.show_debug_info = True - - # default filter coefs - b00 = b01 = 16384 - b10 = b20 = a10 = a20 = b11 = b21 = a11 = a21 = 0 - - ba = read_ints(options.filename) - if len(ba) >= 6: - b00 = ba[0]; b10 = ba[1]; b20 = ba[2]; a10 = ba[4]; a20 = ba[5] - if len(ba) >= 12: - b01 = ba[6]; b11 = ba[7]; b21 = ba[8]; a11 = ba[10]; a21=ba[11] - print b00, b10, b20, a10, a20, b01, b11, b21, a11, a21 - - # default compensator coefficients - c11 = c22 = 1 - c12 = c21 = cscale = 0 - - cs = read_ints(options.cfilename) - if len(cs) >= 5: - c11 = cs[0]; c12 = cs[1]; c21 = cs[2]; c22 = cs[3]; cscale = cs[4] - print c11, c12, c21, c22, cscale - - # build the graph - self.u = mrfm.source_c(options.bitstream) - - self.u.set_decim_rate(options.decim) - self.u.set_center_freq(options.freq) - - frac_bits = 14 - self.u.set_coeffs(frac_bits,b20,b10,b00,a20,a10,b21,b11,b01,a21,a11) - - self.u.set_compensator(c11,c12,c21,c22,cscale) - - if options.rx_subdev_spec is None: - options.rx_subdev_spec = pick_subdevice(self.u) - self.u.set_mux(usrp.determine_rx_mux_value(self.u, options.rx_subdev_spec)) - - if options.width_8: - width = 8 - shift = 8 - format = self.u.make_format(width, shift) - print "format =", hex(format) - r = self.u.set_format(format) - print "set_format =", r - - # determine the daughterboard subdevice we're using - self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec) - - #input_rate = self.u.adc_freq() / self.u.decim_rate() - input_rate = self.u.adc_freq() / options.decim - - # fft_rate = 15 - fft_rate = 5 - - self.deint = gr.deinterleave(gr.sizeof_gr_complex) - self.connect(self.u,self.deint) - - if options.waterfall: - self.scope1=waterfallsink.waterfall_sink_c (self, panel, fft_size=1024, sample_rate=input_rate, - fft_rate=fft_rate) - self.scope2=waterfallsink.waterfall_sink_c (self, panel, fft_size=1024, sample_rate=input_rate, - fft_rate=fft_rate) - - elif options.oscilloscope: - self.scope1 = scopesink.scope_sink_c(self, panel, sample_rate=input_rate,frame_decim=options.frame_decim) # added option JPJ 4/21/2006 - self.scope2 = scopesink.scope_sink_c(self, panel, sample_rate=input_rate,frame_decim=options.frame_decim) - - else: - self.scope1 = fftsink.fft_sink_c (self, panel, fft_size=1024, sample_rate=input_rate, - fft_rate=fft_rate) - self.scope2 = fftsink.fft_sink_c (self, panel, fft_size=1024, sample_rate=input_rate, - fft_rate=fft_rate) - - # Show I, I' on top scope panel, Q, Q' on bottom - #self.fin = gr.complex_to_float() - #self.fout = gr.complex_to_float() - - #self.connect((self.deint,0), self.fin) - #self.connect((self.deint,1), self.fout) - - #self.ii = gr.float_to_complex() - #self.qq = gr.float_to_complex() - - #self.connect((self.fin,0), (self.ii,0)) - #self.connect((self.fout,0), (self.ii,1)) - #self.connect((self.fin,1), (self.qq,0)) - #self.connect((self.fout,1), (self.qq,1)) - - #self.connect(self.ii, self.scope1) - #self.connect(self.qq, self.scope2) - - self.connect ((self.deint,0),self.scope1) - self.connect ((self.deint,1),self.scope2) - - self._build_gui(vbox) - - # set initial values - - if options.gain is None: - # if no gain was specified, use the mid-point in dB - g = self.subdev.gain_range() - options.gain = float(g[0]+g[1])/2 - - if options.freq is None: - # if no freq was specified, use the mid-point - r = self.subdev.freq_range() - options.freq = float(r[0]+r[1])/2 - - self.set_gain(options.gain) - - if not(self.set_freq(options.freq)): - self._set_status_msg("Failed to set initial frequency") - - if self.show_debug_info: - self.myform['decim'].set_value(self.u.decim_rate()) - self.myform['fs@usb'].set_value(self.u.adc_freq() / self.u.decim_rate()) - self.myform['dbname'].set_value(self.subdev.name()) - - - def _set_status_msg(self, msg): - self.frame.GetStatusBar().SetStatusText(msg, 0) - - def _build_gui(self, vbox): - - def _form_set_freq(kv): - return self.set_freq(kv['freq']) - - vbox.Add(self.scope1.win, 10, wx.EXPAND) - vbox.Add(self.scope2.win, 10, wx.EXPAND) - - # add control area at the bottom - self.myform = myform = form.form() - hbox = wx.BoxSizer(wx.HORIZONTAL) - hbox.Add((5,0), 0, 0) - myform['freq'] = form.float_field( - parent=self.panel, sizer=hbox, label="Center freq", weight=1, - callback=myform.check_input_and_call(_form_set_freq, self._set_status_msg)) - - hbox.Add((5,0), 0, 0) - g = self.subdev.gain_range() - myform['gain'] = form.slider_field(parent=self.panel, sizer=hbox, label="Gain", - weight=3, - min=int(g[0]), max=int(g[1]), - callback=self.set_gain) - - hbox.Add((5,0), 0, 0) - vbox.Add(hbox, 0, wx.EXPAND) - - self._build_subpanel(vbox) - - def _build_subpanel(self, vbox_arg): - # build a secondary information panel (sometimes hidden) - - # FIXME figure out how to have this be a subpanel that is always - # created, but has its visibility controlled by foo.Show(True/False) - - if not(self.show_debug_info): - return - - panel = self.panel - vbox = vbox_arg - myform = self.myform - - #panel = wx.Panel(self.panel, -1) - #vbox = wx.BoxSizer(wx.VERTICAL) - - hbox = wx.BoxSizer(wx.HORIZONTAL) - hbox.Add((5,0), 0) - myform['decim'] = form.static_float_field( - parent=panel, sizer=hbox, label="Decim") - - hbox.Add((5,0), 1) - myform['fs@usb'] = form.static_float_field( - parent=panel, sizer=hbox, label="Fs@USB") - - hbox.Add((5,0), 1) - myform['dbname'] = form.static_text_field( - parent=panel, sizer=hbox) - - hbox.Add((5,0), 1) - myform['baseband'] = form.static_float_field( - parent=panel, sizer=hbox, label="Analog BB") - - hbox.Add((5,0), 1) - myform['ddc'] = form.static_float_field( - parent=panel, sizer=hbox, label="DDC") - - hbox.Add((5,0), 0) - vbox.Add(hbox, 0, wx.EXPAND) - - - - def set_freq(self, target_freq): - """ - Set the center frequency we're interested in. - - @param target_freq: frequency in Hz - @rypte: bool - - Tuning is a two step process. First we ask the front-end to - tune as close to the desired frequency as it can. Then we use - the result of that operation and our target_frequency to - determine the value for the digital down converter. - """ - r = self.u.tune(0, self.subdev, target_freq) - - if r: - self.myform['freq'].set_value(target_freq) # update displayed value - if self.show_debug_info: - self.myform['baseband'].set_value(r.baseband_freq) - self.myform['ddc'].set_value(r.dxc_freq) - return True - - return False - - def set_gain(self, gain): - self.myform['gain'].set_value(gain) # update displayed value - self.subdev.set_gain(gain) - - -def main (): - app = stdgui.stdapp(app_flow_graph, "USRP FFT", nstatus=1) - app.MainLoop() - -if __name__ == '__main__': - main () |