#!/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.
+#
"""
Transmit N simultaneous narrow band FM signals.
from gnuradio import gr, eng_notation
from gnuradio import usrp
from gnuradio import audio
-from gnuradio import blks
+from gnuradio import blks2
from gnuradio.eng_option import eng_option
from optparse import OptionParser
-import usrp_dbid
+from usrpm import usrp_dbid
import math
import sys
-from gnuradio.wxgui import stdgui, fftsink
-from gnuradio import tx_debug_gui
+from gnuradio.wxgui import stdgui2, fftsink2
+#from gnuradio import tx_debug_gui
import wx
########################################################
# instantiate one transmit chain for each call
-class pipeline(gr.hier_block):
- def __init__(self, fg, filename, lo_freq, audio_rate, if_rate):
+class pipeline(gr.hier_block2):
+ def __init__(self, filename, lo_freq, audio_rate, if_rate):
+
+ gr.hier_block2.__init__(self, "pipeline",
+ gr.io_signature(0, 0, 0), # Input signature
+ gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
src = gr.file_source (gr.sizeof_float, filename, True)
- fmtx = blks.nbfm_tx (fg, audio_rate, if_rate,
- max_dev=5e3, tau=75e-6)
+ fmtx = blks2.nbfm_tx (audio_rate, if_rate, max_dev=5e3, tau=75e-6)
# Local oscillator
lo = gr.sig_source_c (if_rate, # sample rate
0) # DC Offset
mixer = gr.multiply_cc ()
- fg.connect (src, fmtx, (mixer, 0))
- fg.connect (lo, (mixer, 1))
-
- gr.hier_block.__init__(self, fg, src, mixer)
-
-
+ self.connect (src, fmtx, (mixer, 0))
+ self.connect (lo, (mixer, 1))
+ self.connect (mixer, self)
-class fm_tx_graph (stdgui.gui_flow_graph):
+class fm_tx_block(stdgui2.std_top_block):
def __init__(self, frame, panel, vbox, argv):
MAX_CHANNELS = 7
- 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("-T", "--tx-subdev-spec", type="subdev", default=None,
help="set Tx frequency to FREQ [required]", metavar="FREQ")
parser.add_option("-n", "--nchannels", type="int", default=4,
help="number of Tx channels [1,4]")
- parser.add_option("","--debug", action="store_true", default=False,
- help="Launch Tx debugger")
+ #parser.add_option("","--debug", action="store_true", default=False,
+ # help="Launch Tx debugger")
(options, args) = parser.parse_args ()
if len(args) != 0:
print "Using TX d'board %s" % (self.subdev.side_and_name(),)
self.subdev.set_gain(self.subdev.gain_range()[1]) # set max Tx gain
- self.set_freq(options.freq)
+ if not self.set_freq(options.freq):
+ freq_range = self.subdev.freq_range()
+ print "Failed to set frequency to %s. Daughterboard supports %s to %s" % (
+ eng_notation.num_to_str(options.freq),
+ eng_notation.num_to_str(freq_range[0]),
+ eng_notation.num_to_str(freq_range[1]))
+ raise SystemExit
self.subdev.set_enable(True) # enable transmitter
sum = gr.add_cc ()
step = 25e3
offset = (0 * step, 1 * step, -1 * step, 2 * step, -2 * step, 3 * step, -3 * step)
for i in range (options.nchannels):
- t = pipeline (self, "audio-%d.dat" % (i % 4), offset[i],
- self.audio_rate, self.usrp_rate)
- self.connect (t, (sum, i))
+ t = pipeline("audio-%d.dat" % (i % 4), offset[i],
+ self.audio_rate, self.usrp_rate)
+ self.connect(t, (sum, i))
gain = gr.multiply_const_cc (4000.0 / options.nchannels)
# plot an FFT to verify we are sending what we want
if 1:
- post_mod = fftsink.fft_sink_c(self, panel, title="Post Modulation",
- fft_size=512, sample_rate=self.usrp_rate,
- y_per_div=20, ref_level=40)
+ post_mod = fftsink2.fft_sink_c(panel, title="Post Modulation",
+ fft_size=512, sample_rate=self.usrp_rate,
+ y_per_div=20, ref_level=40)
self.connect (sum, post_mod)
vbox.Add (post_mod.win, 1, wx.EXPAND)
- if options.debug:
- self.debugger = tx_debug_gui.tx_debug_gui(self.subdev)
- self.debugger.Show(True)
+ #if options.debug:
+ # self.debugger = tx_debug_gui.tx_debug_gui(self.subdev)
+ # self.debugger.Show(True)
def set_freq(self, target_freq):
any residual_freq to the s/w freq translater.
"""
- r = self.u.tune(self.subdev._which, self.subdev, target_freq)
+ r = self.u.tune(self.subdev.which(), self.subdev, target_freq)
if r:
print "r.baseband_freq =", eng_notation.num_to_str(r.baseband_freq)
print "r.dxc_freq =", eng_notation.num_to_str(r.dxc_freq)
return False
def main ():
- app = stdgui.stdapp (fm_tx_graph, "Multichannel FM Tx")
+ app = stdgui2.stdapp(fm_tx_block, "Multichannel FM Tx", nstatus=1)
app.MainLoop ()
if __name__ == '__main__':
projects / debian / gnuradio / blobdiff