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authorjcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>2007-02-06 00:10:32 +0000
committerjcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>2007-02-06 00:10:32 +0000
commitc4e072e8a58800f2dfd6c1e5e95009dd783061be (patch)
tree575da3b788adacda6aeff19c730394ce1ddbdbc3 /gnuradio-examples/python/digital/benchmark_tx.py
parentb431e9f594607e61866aef2bab73240c21c4cc6f (diff)
Merged r4354:4390 from developer branch jcorgan/digital into trunk.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4391 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-examples/python/digital/benchmark_tx.py')
-rwxr-xr-xgnuradio-examples/python/digital/benchmark_tx.py18
1 files changed, 15 insertions, 3 deletions
diff --git a/gnuradio-examples/python/digital/benchmark_tx.py b/gnuradio-examples/python/digital/benchmark_tx.py
index 55f309322e..27534a69ae 100755
--- a/gnuradio-examples/python/digital/benchmark_tx.py
+++ b/gnuradio-examples/python/digital/benchmark_tx.py
@@ -71,6 +71,8 @@ def main():
help="set megabytes to transmit [default=%default]")
parser.add_option("","--discontinuous", action="store_true", default=False,
help="enable discontinous transmission (bursts of 5 packets)")
+ parser.add_option("","--from-file", default=None,
+ help="use file for packet contents")
transmit_path.add_options(parser, expert_grp)
@@ -89,6 +91,9 @@ def main():
parser.print_help(sys.stderr)
sys.exit(1)
+ if options.from_file is not None:
+ source_file = open(options.from_file, 'r')
+
# build the graph
fg = my_graph(mods[options.modulation], options)
@@ -98,7 +103,6 @@ def main():
fg.start() # start flow graph
-
# generate and send packets
nbytes = int(1e6 * options.megabytes)
n = 0
@@ -106,8 +110,16 @@ def main():
pkt_size = int(options.size)
while n < nbytes:
- send_pkt(struct.pack('!H', pktno) + (pkt_size - 2) * chr(pktno & 0xff))
- n += pkt_size
+ if options.from_file is None:
+ data = (pkt_size - 2) * chr(pktno & 0xff)
+ else:
+ data = source_file.read(pkt_size - 2)
+ if data == '':
+ break;
+
+ payload = struct.pack('!H', pktno) + data
+ send_pkt(payload)
+ n += len(payload)
sys.stderr.write('.')
if options.discontinuous and pktno % 5 == 4:
time.sleep(1)