diff options
Diffstat (limited to 'gnuradio-examples/python/digital/tx_voice.py')
| -rwxr-xr-x | gnuradio-examples/python/digital/tx_voice.py | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/gnuradio-examples/python/digital/tx_voice.py b/gnuradio-examples/python/digital/tx_voice.py index 09b1c58470..c97e2f084a 100755 --- a/gnuradio-examples/python/digital/tx_voice.py +++ b/gnuradio-examples/python/digital/tx_voice.py @@ -1,6 +1,6 @@ #!/usr/bin/env python # -# Copyright 2005,2006 Free Software Foundation, Inc. +# Copyright 2005,2006,2007 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -43,8 +43,11 @@ import fusb_options #raw_input('Attach and press enter') -class audio_rx(gr.hier_block): - def __init__(self, fg, audio_input_dev): +class audio_rx(gr.hier_block2): + def __init__(self, audio_input_dev): + gr.hier_block2.__init__(self, "audio_rx", + gr.io_signature(0, 0, 0), # Input signature + gr.io_signature(0, 0, 0)) # Output signature sample_rate = 8000 src = audio.source(sample_rate, audio_input_dev) src_scale = gr.multiply_const_ff(32767) @@ -52,20 +55,20 @@ class audio_rx(gr.hier_block): voice_coder = gsm_full_rate.encode_sp() self.packets_from_encoder = gr.msg_queue() packet_sink = gr.message_sink(33, self.packets_from_encoder, False) - fg.connect(src, src_scale, f2s, voice_coder, packet_sink) - gr.hier_block.__init__(self, fg, src, packet_sink) + self.connect(src, src_scale, f2s, voice_coder, packet_sink) def get_encoded_voice_packet(self): return self.packets_from_encoder.delete_head() -class my_graph(gr.flow_graph): +class my_top_block(gr.top_block): def __init__(self, modulator_class, options): - gr.flow_graph.__init__(self) - self.txpath = transmit_path(self, modulator_class, options) - self.audio_rx = audio_rx(self, options.audio_input) - + gr.top_block.__init__(self) + self.txpath = transmit_path(modulator_class, options) + self.audio_rx = audio_rx(options.audio_input) + self.connect(self.txpath) + self.connect(self.audio_rx) # ///////////////////////////////////////////////////////////////////////////// @@ -75,7 +78,7 @@ class my_graph(gr.flow_graph): def main(): def send_pkt(payload='', eof=False): - return fg.txpath.send_pkt(payload, eof) + return tb.txpath.send_pkt(payload, eof) def rx_callback(ok, payload): print "ok = %r, payload = '%s'" % (ok, payload) @@ -115,14 +118,14 @@ def main(): # build the graph - fg = my_graph(mods[options.modulation], options) + tb = my_top_block(mods[options.modulation], options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" - fg.start() # start flow graph + tb.start() # start flow graph # generate and send packets nbytes = int(1e6 * options.megabytes) @@ -130,7 +133,7 @@ def main(): pktno = 0 while nbytes == 0 or n < nbytes: - packet = fg.audio_rx.get_encoded_voice_packet() + packet = tb.audio_rx.get_encoded_voice_packet() s = packet.to_string() send_pkt(s) n += len(s) @@ -138,12 +141,12 @@ def main(): pktno += 1 send_pkt(eof=True) - fg.wait() # wait for it to finish - fg.txpath.set_auto_tr(False) + tb.wait() # wait for it to finish + tb.txpath.set_auto_tr(False) if __name__ == '__main__': try: main() except KeyboardInterrupt: - pass + pass
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