From 43819f0f33498239970b4479684f12aa080859e6 Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Thu, 26 Apr 2007 22:51:48 +0000
Subject: Merged r4518:5130 from developer branch n4hy/ofdm into trunk, passes
distcheck.
Adds incomplete OFDM implementation, further work to be completed in the
features/ofdm branch.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@5131 221aa14e-8319-0410-a670-987f0aec2ac5
---
.../python/digital/benchmark_loopback.py | 25 ++++++++++++++++------
1 file changed, 18 insertions(+), 7 deletions(-)
(limited to 'gnuradio-examples/python/digital/benchmark_loopback.py')
diff --git a/gnuradio-examples/python/digital/benchmark_loopback.py b/gnuradio-examples/python/digital/benchmark_loopback.py
index d036f63aab..2b1e965fad 100755
--- a/gnuradio-examples/python/digital/benchmark_loopback.py
+++ b/gnuradio-examples/python/digital/benchmark_loopback.py
@@ -1,7 +1,6 @@
#!/usr/bin/env python
-#!/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
#
@@ -77,10 +76,23 @@ class my_graph(gr.flow_graph):
self.rxpath = receive_path(self, demod_class, rx_callback, options)
if channelon:
- self.channel = awgn_channel(self, options.sample_rate, noise_voltage, frequency_offset, options.seed)
+ self.channel = awgn_channel(self, options.sample_rate, noise_voltage,
+ frequency_offset, options.seed)
+
+ if options.discontinuous:
+ z = 20000*[0,]
+ self.zeros = gr.vector_source_c(z, True)
+ packet_size = 5*((4+8+4+1500+4) * 8)
+ self.mux = gr.stream_mux(gr.sizeof_gr_complex, [packet_size-0, int(9e5)])
+
+ # Connect components
+ self.connect(self.txpath, (self.mux,0))
+ self.connect(self.zeros, (self.mux,1))
+ self.connect(self.mux, self.channel, self.rxpath)
+
+ else:
+ self.connect(self.txpath, self.channel, self.rxpath)
- # Connect components
- self.connect(self.txpath, self.throttle, self.channel, self.rxpath)
else:
# Connect components
self.connect(self.txpath, self.throttle, self.rxpath)
@@ -106,6 +118,7 @@ def main():
print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % (
ok, pktno, n_rcvd, n_right)
+ # print payload[2:len(payload)]
def send_pkt(payload='', eof=False):
return fg.txpath.send_pkt(payload, eof)
@@ -170,8 +183,6 @@ def main():
while n < nbytes:
send_pkt(struct.pack('!H', pktno) + (pkt_size - 2) * chr(pktno & 0xff))
n += pkt_size
- if options.discontinuous and pktno % 5 == 4:
- time.sleep(1)
pktno += 1
send_pkt(eof=True)
--
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