diff options
Diffstat (limited to 'gr-msdd6000/src/python-examples/msdd_rcv.py')
| -rwxr-xr-x | gr-msdd6000/src/python-examples/msdd_rcv.py | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/gr-msdd6000/src/python-examples/msdd_rcv.py b/gr-msdd6000/src/python-examples/msdd_rcv.py deleted file mode 100755 index cc2f3e4a3..000000000 --- a/gr-msdd6000/src/python-examples/msdd_rcv.py +++ /dev/null @@ -1,287 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2005,2006,2007 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, eng_notation -from gnuradio import msdd -from gnuradio import blks2 -from gnuradio.eng_option import eng_option -from gnuradio.wxgui import slider, powermate -from gnuradio.wxgui import stdgui2, form -from gnuradio.wxgui import fftsink2 -from optparse import OptionParser -#from usrpm import usrp_dbid -import sys -import math -import wx - -class wfm_rx_block (stdgui2.std_top_block): - def __init__(self,frame,panel,vbox,argv): - stdgui2.std_top_block.__init__ (self,frame,panel,vbox,argv) - - parser=OptionParser(option_class=eng_option) -# parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, -# help="select MSDD Rx side A or B (default=A)") - parser.add_option("-f", "--freq", type="eng_float", default=100.1e6, - help="set frequency to FREQ", metavar="FREQ") - parser.add_option("-g", "--gain", type="eng_float", default=40, - help="set gain in dB (default is midpoint)") -# parser.add_option("-V", "--volume", type="eng_float", default=None, -# help="set volume (default is midpoint)") -# parser.add_option("-O", "--audio-output", type="string", default="", -# help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp") - - (options, args) = parser.parse_args() - if len(args) != 0: - parser.print_help() - sys.exit(1) - - self.frame = frame - self.panel = panel - - self.vol = 0 - self.gain_range = (10, 70, .5) - self.state = "FREQ" - self.freq = 0 - msdd_decim = 2 - - # build graph - self.fft_size = 8192 - self.sample_rate = 200 - self.u = msdd.source_c(0, 1, "10.45.4.44", 10000) - self.u.set_decim_rate(4) - self.u.set_desired_packet_size(0, 1460*100) - - - #self.u.set_decim_rate(msdd_decim) -# usrp_rate = adc_rate / msdd_decim # 320 kS/s -# chanfilt_decim = 1 -# demod_rate = usrp_rate / chanfilt_decim -# audio_decimation = 10 -# audio_rate = demod_rate / audio_decimation # 32 kHz -# -# 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)) -# self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec) -# print "Using RX d'board %s" % (self.subdev.side_and_name(),) -# -# -# chan_filt_coeffs = optfir.low_pass (1, # gain -# usrp_rate, # sampling rate -# 80e3, # passband cutoff -# 115e3, # stopband cutoff -# 0.1, # passband ripple -# 60) # stopband attenuation -# #print len(chan_filt_coeffs) -# chan_filt = gr.fir_filter_ccf (chanfilt_decim, chan_filt_coeffs) -# -# self.guts = blks2.wfm_rcv (demod_rate, audio_decimation) -# -# self.volume_control = gr.multiply_const_ff(self.vol) -# -# # sound card as final sink -# audio_sink = audio.sink (int (audio_rate), -# options.audio_output, -# False) # ok_to_block - - # now wire it all together - #self.connect (self.u, chan_filt, self.guts, self.volume_control, audio_sink) - - self._build_gui(vbox) - - if options.gain is None: - # if no gain was specified, use the mid-point in dB - #g = self.subdev.gain_range() - g = self.gain_range - options.gain = float(g[0]+g[1])/2 -# -# if options.volume is None: -# g = self.volume_range() -# options.volume = float(g[0]+g[1])/2 -# -# if abs(options.freq) < 1e6: -# options.freq *= 1e6 - - # set initial values -# - self.set_gain(options.gain) -# self.set_vol(options.volume) - if not(self.set_freq(options.freq)): - self._set_status_msg("Failed to set initial frequency") - print "Frequency: ", self.u.rx_freq(0) - - - def _set_status_msg(self, msg, which=0): - self.frame.GetStatusBar().SetStatusText(msg, which) - - - def _build_gui(self, vbox): - - def _form_set_freq(kv): - return self.set_freq(kv['freq']) - - self.src_fft = None - if 1: - self.src_fft = fftsink2.fft_sink_c(self.panel, title="Data from MSDD", - fft_size=512, sample_rate=512) -# self.s2f1 = gr.short_to_float() -# self.scope = scopesink2.scope_sink_f(self.panel, sample_rate=self.sample_rate*self.fft_size) - - self.connect (self.u, self.src_fft) - #self.connect (self.s2f1, self.scope) - vbox.Add (self.src_fft.win, 4, wx.EXPAND) -# -# if 1: -# post_filt_fft = fftsink2.fft_sink_f(self.panel, title="Post Demod", -# fft_size=1024, sample_rate=usrp_rate, -# y_per_div=10, ref_level=0) -# self.connect (self.guts.fm_demod, post_filt_fft) -# vbox.Add (post_filt_fft.win, 4, wx.EXPAND) -# -# if 0: -# post_deemph_fft = fftsink2.fft_sink_f(self.panel, title="Post Deemph", -# fft_size=512, sample_rate=audio_rate, -# y_per_div=10, ref_level=-20) -# self.connect (self.guts.deemph, post_deemph_fft) -# vbox.Add (post_deemph_fft.win, 4, wx.EXPAND) - - - # control area form at bottom - self.myform = myform = form.form() - - hbox = wx.BoxSizer(wx.HORIZONTAL) - hbox.Add((5,0), 0) - myform['freq'] = form.float_field( - parent=self.panel, sizer=hbox, label="Freq", weight=1, - callback=myform.check_input_and_call(_form_set_freq, self._set_status_msg)) - - hbox.Add((5,0), 0) - myform['freq_slider'] = \ - form.quantized_slider_field(parent=self.panel, sizer=hbox, weight=3, - range=(30e6, 6e9, 1e6), - callback=self.set_freq) - hbox.Add((5,0), 0) - vbox.Add(hbox, 0, wx.EXPAND) - - hbox = wx.BoxSizer(wx.HORIZONTAL) - hbox.Add((5,0), 0) -# -# myform['volume'] = \ -# form.quantized_slider_field(parent=self.panel, sizer=hbox, label="Volume", -# weight=3, range=self.volume_range(), -# callback=self.set_vol) -# hbox.Add((5,0), 1) - - myform['gain'] = \ - form.quantized_slider_field(parent=self.panel, sizer=hbox, label="Gain", - weight=3, range=self.gain_range, - callback=self.set_gain) - hbox.Add((5,0), 0) - vbox.Add(hbox, 0, wx.EXPAND) -# -# try: -# self.knob = powermate.powermate(self.frame) -# self.rot = 0 -# powermate.EVT_POWERMATE_ROTATE (self.frame, self.on_rotate) -# powermate.EVT_POWERMATE_BUTTON (self.frame, self.on_button) -# except: -# print "FYI: No Powermate or Contour Knob found" - - - def on_rotate (self, event): - self.rot += event.delta - if (self.state == "FREQ"): - if self.rot >= 3: - self.set_freq(self.freq + .1e6) - self.rot -= 3 - elif self.rot <=-3: - self.set_freq(self.freq - .1e6) - self.rot += 3 - else: - step = self.volume_range()[2] - if self.rot >= 3: - self.set_vol(self.vol + step) - self.rot -= 3 - elif self.rot <=-3: - self.set_vol(self.vol - step) - self.rot += 3 - - def on_button (self, event): - if event.value == 0: # button up - return - self.rot = 0 - if self.state == "FREQ": - self.state = "VOL" - else: - self.state = "FREQ" - self.update_status_bar () -# -# -# def set_vol (self, vol): -# g = self.volume_range() -# self.vol = max(g[0], min(g[1], vol)) -# self.volume_control.set_k(10**(self.vol/10)) -# self.myform['volume'].set_value(self.vol) -# self.update_status_bar () - - 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.set_rx_freq(0, target_freq); - - if r: - self.freq = target_freq - self.myform['freq'].set_value(target_freq) # update displayed value - self.myform['freq_slider'].set_value(target_freq) # update displayed value - self.update_status_bar() - self._set_status_msg("OK", 0) - return True - - self._set_status_msg("Failed", 0) - return False - - def set_gain(self, gain): - self.myform['gain'].set_value(gain) # update displayed value - self.u.set_pga(0,gain) - - def update_status_bar (self): - msg = "Volume:%r Setting:%s" % (self.vol, self.state) - self._set_status_msg(msg, 1) - #self.src_fft.set_baseband_freq(self.freq) -# -# def volume_range(self): -# return (-20.0, 0.0, 0.5) - - -if __name__ == '__main__': - app = stdgui2.stdapp (wfm_rx_block, "MSDD FFT RX") - app.MainLoop () |