3 # Copyright 2006 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
23 from gnuradio import gr
24 from gnuradio.eng_option import eng_option
25 from optparse import OptionParser
27 class vector_source(gr.hier_block2):
28 def __init__(self, local_ipaddress, remote_ipaddress, port, mtu):
29 gr.hier_block2.__init__(self,
30 "vector_source", # Block type
31 gr.io_signature(0,0,0), # Input signature
32 gr.io_signature(0,0,0)) # Output signature
34 data = [i*0.1 for i in range(1000)]
35 self.define_component("data", gr.vector_source_f(data, True))
36 self.define_component("thr", gr.throttle(gr.sizeof_float, 8000))
38 udp = gr.udp_sink(gr.sizeof_float, local_ipaddress, 0,
39 remote_ipaddress, port, mtu)
40 self.define_component("dst", udp)
42 self.connect("data", 0, "thr", 0)
43 self.connect("thr", 0, "dst", 0)
45 if __name__ == '__main__':
46 parser = OptionParser(option_class=eng_option)
47 parser.add_option("", "--local-ipaddr", type="string", default="127.0.0.1",
48 help="local IP address")
49 parser.add_option("", "--remote-ipaddr", type="string", default="127.0.0.1",
50 help="Remote IP address")
51 parser.add_option("", "--remote-port", type="int", default=65500,
52 help="port value to connect to")
53 parser.add_option("", "--mtu", type="int", default=540,
55 (options, args) = parser.parse_args()
60 # Create an instance of a hierarchical block
61 top_block = vector_source(options.local_ipaddr, options.remote_ipaddr,
62 options.remote_port, options.mtu)
64 # Create an instance of a runtime, passing it the top block
65 runtime = gr.runtime(top_block)
70 except KeyboardInterrupt: