#!/usr/bin/env python
+#
+# Copyright 2005,2006,2007,2009 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, optfir
from gnuradio import audio
from gnuradio import usrp
-from gnuradio import blks
+from gnuradio import blks2
from gnuradio.eng_option import eng_option
from gnuradio.wxgui import slider, powermate
-from gnuradio.wxgui import stdgui, fftsink, form
+from gnuradio.wxgui import stdgui2, fftsink2, form
from optparse import OptionParser
-import usrp_dbid
+from usrpm import usrp_dbid
import sys
import math
import wx
"""
return usrp.pick_subdev(u, (usrp_dbid.TV_RX,
usrp_dbid.TV_RX_REV_2,
+ usrp_dbid.TV_RX_REV_3,
usrp_dbid.BASIC_RX))
-class wfm_rx_graph (stdgui.gui_flow_graph):
+class wfm_rx_block (stdgui2.std_top_block):
def __init__(self,frame,panel,vbox,argv):
- stdgui.gui_flow_graph.__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,
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(),)
-
+ dbid = self.subdev.dbid()
+ if not (dbid == usrp_dbid.BASIC_RX or
+ dbid == usrp_dbid.TV_RX or
+ dbid == usrp_dbid.TV_RX_REV_2 or
+ dbid == usrp_dbid.TV_RX_REV_3):
+ print "This daughterboard does not cover the required frequency range"
+ print "for this application. Please use a BasicRX or TVRX daughterboard."
+ raw_input("Press ENTER to continue anyway, or Ctrl-C to exit.")
chan_filt_coeffs = optfir.low_pass (1, # gain
usrp_rate, # sampling rate
#print len(chan_filt_coeffs)
chan_filt = gr.fir_filter_ccf (chanfilt_decim, chan_filt_coeffs)
- self.guts = blks.wfm_rcv (self, demod_rate, audio_decimation)
+ self.guts = blks2.wfm_rcv (demod_rate, audio_decimation)
self.volume_control = gr.multiply_const_ff(self.vol)
if 1:
- self.src_fft = fftsink.fft_sink_c (self, self.panel, title="Data from USRP",
- fft_size=512, sample_rate=usrp_rate)
+ self.src_fft = fftsink2.fft_sink_c(self.panel, title="Data from USRP",
+ fft_size=512, sample_rate=usrp_rate,
+ ref_scale=32768.0, ref_level=0, y_divs=12)
self.connect (self.u, self.src_fft)
vbox.Add (self.src_fft.win, 4, wx.EXPAND)
if 1:
- post_filt_fft = fftsink.fft_sink_f (self, self.panel, title="Post Demod",
+ 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 = fftsink.fft_sink_f (self, self.panel, title="Post Deemph",
+ 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)
if __name__ == '__main__':
- app = stdgui.stdapp (wfm_rx_graph, "USRP WFM RX")
+ app = stdgui2.stdapp (wfm_rx_block, "USRP WFM RX")
app.MainLoop ()