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Diffstat (limited to 'gnuradio-examples/python/digital/rx_voice.py')
-rwxr-xr-xgnuradio-examples/python/digital/rx_voice.py29
1 files changed, 16 insertions, 13 deletions
diff --git a/gnuradio-examples/python/digital/rx_voice.py b/gnuradio-examples/python/digital/rx_voice.py
index c9c33c3d56..b3280d432c 100755
--- a/gnuradio-examples/python/digital/rx_voice.py
+++ b/gnuradio-examples/python/digital/rx_voice.py
@@ -31,6 +31,7 @@ from gnuradio.vocoder import gsm_full_rate
import random
import struct
+import sys
# from current dir
from receive_path import receive_path
@@ -41,27 +42,30 @@ import fusb_options
#raw_input('Attach and press enter')
-class audio_tx(gr.hier_block):
- def __init__(self, fg, audio_output_dev):
+class audio_tx(gr.hier_block2):
+ def __init__(self, audio_output_dev):
+ gr.hier_block2.__init__(self, "audio_tx",
+ gr.io_signature(0, 0, 0), # Input signature
+ gr.io_signature(0, 0, 0)) # Output signature
+
self.packet_src = gr.message_source(33)
voice_decoder = gsm_full_rate.decode_ps()
s2f = gr.short_to_float ()
sink_scale = gr.multiply_const_ff(1.0/32767.)
audio_sink = audio.sink(8000, audio_output_dev)
- fg.connect(self.packet_src, voice_decoder, s2f, sink_scale, audio_sink)
- gr.hier_block.__init__(self, fg, self.packet_src, audio_sink)
+ self.connect(self.packet_src, voice_decoder, s2f, sink_scale, audio_sink)
def msgq(self):
return self.packet_src.msgq()
-class my_graph(gr.flow_graph):
-
+class my_top_block(gr.top_block):
def __init__(self, demod_class, rx_callback, options):
- gr.flow_graph.__init__(self)
- self.rxpath = receive_path(self, demod_class, rx_callback, options)
- self.audio_tx = audio_tx(self, options.audio_output)
-
+ gr.top_block.__init__(self)
+ self.rxpath = receive_path(demod_class, rx_callback, options)
+ self.audio_tx = audio_tx(options.audio_output)
+ self.connect(self.rxpath)
+ self.connect(self.audio_tx)
# /////////////////////////////////////////////////////////////////////////////
# main
@@ -120,14 +124,13 @@ def main():
# build the graph
- fg = my_graph(demods[options.modulation], rx_callback, options)
+ tb = my_top_block(demods[options.modulation], rx_callback, options)
r = gr.enable_realtime_scheduling()
if r != gr.RT_OK:
print "Warning: Failed to enable realtime scheduling."
- fg.start() # start flow graph
- fg.wait() # wait for it to finish
+ tb.run()
if __name__ == '__main__':
try: