From 12b5f9c37eebe694d34e0d3976393dad1e0f99d5 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Tue, 27 Sep 2011 12:55:26 -0400
Subject: digital: bug fixes for digital mods. Adding fist pass at a UHD
benchmark transit chain. Automatically selects the right samples/symbol and
sample rate to achieve requested bitrate.
---
gr-digital/examples/transmit_path.py | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
(limited to 'gr-digital/examples/transmit_path.py')
diff --git a/gr-digital/examples/transmit_path.py b/gr-digital/examples/transmit_path.py
index f22ffb3278..3af37f3308 100644
--- a/gr-digital/examples/transmit_path.py
+++ b/gr-digital/examples/transmit_path.py
@@ -36,16 +36,15 @@ class transmit_path(gr.hier_block2):
See below for what options should hold
'''
gr.hier_block2.__init__(self, "transmit_path",
- gr.io_signature(0, 0, 0), # Input signature
- gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
+ gr.io_signature(0,0,0),
+ gr.io_signature(1,1,gr.sizeof_gr_complex))
options = copy.copy(options) # make a copy so we can destructively modify
- self._verbose = options.verbose
- self._tx_amplitude = options.tx_amplitude # digital amplitude sent to USRP
- self._bitrate = options.bitrate # desired bit rate
-
- self._modulator_class = modulator_class # the modulator_class we are using
+ self._verbose = options.verbose
+ self._tx_amplitude = options.tx_amplitude # digital amplitude sent to USRP
+ self._bitrate = options.bitrate # desired bit rate
+ self._modulator_class = modulator_class # the modulator_class we are using
# Get mod_kwargs
mod_kwargs = self._modulator_class.extract_kwargs_from_options(options)
@@ -103,7 +102,7 @@ class transmit_path(gr.hier_block2):
help="set transmitter digital amplitude: 0 <= AMPL < 1 [default=%default]")
normal.add_option("-v", "--verbose", action="store_true", default=False)
- expert.add_option("-S", "--samples-per-symbol", type="float", default=None,
+ expert.add_option("-S", "--samples-per-symbol", type="float", default=2,
help="set samples/symbol [default=%default]")
expert.add_option("", "--log", action="store_true", default=False,
help="Log all parts of flow graph to file (CAUTION: lots of data)")
--
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