diff options
Diffstat (limited to 'gnuradio-examples/python/usrp/usrp_nbfm_ptt.py')
| -rwxr-xr-x | gnuradio-examples/python/usrp/usrp_nbfm_ptt.py | 64 |
1 files changed, 35 insertions, 29 deletions
diff --git a/gnuradio-examples/python/usrp/usrp_nbfm_ptt.py b/gnuradio-examples/python/usrp/usrp_nbfm_ptt.py index 03333fa190..35f015215b 100755 --- a/gnuradio-examples/python/usrp/usrp_nbfm_ptt.py +++ b/gnuradio-examples/python/usrp/usrp_nbfm_ptt.py @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright 2005 Free Software Foundation, Inc. +# Copyright 2005,2007 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -28,9 +28,9 @@ from optparse import OptionParser from gnuradio import gr, gru, 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 gnuradio.wxgui import stdgui, fftsink, scopesink, slider, form +from gnuradio.wxgui import stdgui2, fftsink2, scopesink2, slider, form from usrpm import usrp_dbid from numpy import convolve, array @@ -43,9 +43,9 @@ from numpy import convolve, array # Control Stuff # //////////////////////////////////////////////////////////////////////// -class ptt_graph(stdgui.gui_flow_graph): +class ptt_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) self.frame = frame self.space_bar_pressed = False @@ -73,8 +73,11 @@ class ptt_graph(stdgui.gui_flow_graph): if options.freq < 1e6: options.freq *= 1e6 - self.txpath = transmit_path(self, options.tx_subdev_spec, options.audio_input) - self.rxpath = receive_path(self, options.rx_subdev_spec, options.rx_gain, options.audio_output) + self.txpath = transmit_path(options.tx_subdev_spec, options.audio_input) + self.rxpath = receive_path(options.rx_subdev_spec, options.rx_gain, options.audio_output) + self.connect(self.txpath) + self.connect(self.rxpath) + self._build_gui(frame, panel, vbox, argv, options.no_gui) self.set_transmit(False) @@ -142,29 +145,29 @@ class ptt_graph(stdgui.gui_flow_graph): panel.SetFocus() if 1 and not(no_gui): - rx_fft = fftsink.fft_sink_c (self, panel, title="Rx Input", fft_size=512, + rx_fft = fftsink2.fft_sink_c(panel, title="Rx Input", fft_size=512, sample_rate=self.rxpath.if_rate, ref_level=80, y_per_div=20) self.connect (self.rxpath.u, rx_fft) vbox.Add (rx_fft.win, 1, wx.EXPAND) if 1 and not(no_gui): - rx_fft = fftsink.fft_sink_c (self, panel, title="Post s/w DDC", + rx_fft = fftsink2.fft_sink_c(panel, title="Post s/w DDC", fft_size=512, sample_rate=self.rxpath.quad_rate, ref_level=80, y_per_div=20) self.connect (self.rxpath.ddc, rx_fft) vbox.Add (rx_fft.win, 1, wx.EXPAND) if 0 and not(no_gui): - foo = scopesink.scope_sink_f (self, panel, title="Squelch", - sample_rate=32000) + foo = scopesink2.scope_sink_f(panel, title="Squelch", + sample_rate=32000) self.connect (self.rxpath.fmrx.div, (foo,0)) self.connect (self.rxpath.fmrx.gate, (foo,1)) self.connect (self.rxpath.fmrx.squelch_lpf, (foo,2)) vbox.Add (foo.win, 1, wx.EXPAND) if 0 and not(no_gui): - tx_fft = fftsink.fft_sink_c (self, panel, title="Tx Output", + tx_fft = fftsink2.fft_sink_c(panel, title="Tx Output", fft_size=512, sample_rate=self.txpath.usrp_rate) self.connect (self.txpath.amp, tx_fft) vbox.Add (tx_fft.win, 1, wx.EXPAND) @@ -265,9 +268,12 @@ class ptt_graph(stdgui.gui_flow_graph): # Transmit Path # //////////////////////////////////////////////////////////////////////// -class transmit_path(gr.hier_block): - def __init__(self, fg, subdev_spec, audio_input): - +class transmit_path(gr.hier_block2): + def __init__(self, subdev_spec, audio_input): + gr.hier_block2.__init__(self, "transmit_path", + gr.io_signature(0, 0, 0), # Input signature + gr.io_signature(0, 0, 0)) # Output signature + self.u = usrp.sink_c () dac_rate = self.u.dac_rate(); @@ -298,11 +304,11 @@ class transmit_path(gr.hier_block): audio_taps = convolve(array(lpf),array(hpf)) self.audio_filt = gr.fir_filter_fff(1,audio_taps) - self.pl = blks.ctcss_gen_f(fg, self.audio_rate,123.0) + self.pl = blks2.ctcss_gen_f(self.audio_rate,123.0) self.add_pl = gr.add_ff() - fg.connect(self.pl,(self.add_pl,1)) + self.connect(self.pl,(self.add_pl,1)) - self.fmtx = blks.nbfm_tx(fg, self.audio_rate, self.if_rate) + self.fmtx = blks2.nbfm_tx(self.audio_rate, self.if_rate) self.amp = gr.multiply_const_cc (self.normal_gain) # determine the daughterboard subdevice we're using @@ -312,10 +318,8 @@ class transmit_path(gr.hier_block): self.subdev = usrp.selected_subdev(self.u, subdev_spec) print "TX using", self.subdev.name() - fg.connect(self.audio, self.audio_amp, self.audio_filt, - (self.add_pl,0), self.fmtx, self.amp, self.u) - - gr.hier_block.__init__(self, fg, None, None) + self.connect(self.audio, self.audio_amp, self.audio_filt, + (self.add_pl,0), self.fmtx, self.amp, self.u) self.set_gain(self.subdev.gain_range()[1]) # set max Tx gain @@ -357,8 +361,11 @@ class transmit_path(gr.hier_block): # Receive Path # //////////////////////////////////////////////////////////////////////// -class receive_path(gr.hier_block): - def __init__(self, fg, subdev_spec, gain, audio_output): +class receive_path(gr.hier_block2): + def __init__(self, subdev_spec, gain, audio_output): + gr.hier_block2.__init__(self, "receive_path", + gr.io_signature(0, 0, 0), # Input signature + gr.io_signature(0, 0, 0)) # Output signature self.u = usrp.source_c () adc_rate = self.u.adc_rate() @@ -395,10 +402,10 @@ class receive_path(gr.hier_block): self.if_rate) # input sample rate # instantiate the guts of the single channel receiver - self.fmrx = blks.nbfm_rx(fg, audio_rate, self.quad_rate) + self.fmrx = blks2.nbfm_rx(audio_rate, self.quad_rate) # standard squelch block - self.squelch = blks.standard_squelch(fg, audio_rate) + self.squelch = blks2.standard_squelch(audio_rate) # audio gain / mute block self._audio_gain = gr.multiply_const_ff(1.0) @@ -407,8 +414,7 @@ class receive_path(gr.hier_block): audio_sink = audio.sink (int(audio_rate), audio_output) # now wire it all together - fg.connect (self.u, self.ddc, self.fmrx, self.squelch, self._audio_gain, audio_sink) - gr.hier_block.__init__(self, fg, self.u, audio_sink) + self.connect (self.u, self.ddc, self.fmrx, self.squelch, self._audio_gain, audio_sink) if gain is None: # if no gain was specified, use the mid-point in dB @@ -484,7 +490,7 @@ class receive_path(gr.hier_block): # //////////////////////////////////////////////////////////////////////// def main(): - app = stdgui.stdapp(ptt_graph, "NBFM Push to Talk") + app = stdgui2.stdapp(ptt_block, "NBFM Push to Talk") app.MainLoop() if __name__ == '__main__': |