diff options
Diffstat (limited to 'gr-digital/examples/benchmark_tx.py')
| -rwxr-xr-x | gr-digital/examples/benchmark_tx.py | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gr-digital/examples/benchmark_tx.py b/gr-digital/examples/benchmark_tx.py index 78c1315666..01902c0e37 100755 --- a/gr-digital/examples/benchmark_tx.py +++ b/gr-digital/examples/benchmark_tx.py @@ -44,8 +44,11 @@ class my_top_block(gr.top_block): self.txpath = transmit_path(modulator, options) - self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file) - + if(options.to_file is not None): + self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file) + else: + self.sink = gr.null_sink(gr.sizeof_gr_complex) + self.connect(self.txpath, self.sink) # ///////////////////////////////////////////////////////////////////////////// @@ -66,7 +69,7 @@ def main(): expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), - default='dbpsk', + default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) @@ -77,9 +80,9 @@ def main(): 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") + help="use intput file for packet contents") parser.add_option("","--to-file", default=None, - help="use file sink") + help="Output file for modulated samples") transmit_path.add_options(parser, expert_grp) |