#!/usr/bin/env python
#
-# Copyright 2005,2006 Free Software Foundation, Inc.
+# Copyright 2005,2006,2007,2009 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
import sys
# from current dir
-from transmit_path import transmit_path
-import fusb_options
+import usrp_transmit_path
#import os
#print os.getpid()
#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)
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 = usrp_transmit_path.usrp_transmit_path(modulator_class, options)
+ self.audio_rx = audio_rx(options.audio_input)
+ self.connect(self.txpath)
+ self.connect(self.audio_rx)
# /////////////////////////////////////////////////////////////////////////////
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)
help="set megabytes to transmit [default=inf]")
parser.add_option("-I", "--audio-input", type="string", default="",
help="pcm input device name. E.g., hw:0,0 or /dev/dsp")
-
- transmit_path.add_options(parser, expert_grp)
+ usrp_transmit_path.add_options(parser, expert_grp)
for mod in mods.values():
mod.add_options(expert_grp)
- fusb_options.add_options(expert_grp)
-
parser.set_defaults(bitrate=50e3) # override default bitrate default
(options, args) = parser.parse_args ()
# 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)
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)
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
if __name__ == '__main__':
try:
main()
except KeyboardInterrupt:
- pass
+ pass