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authoreb <eb@221aa14e-8319-0410-a670-987f0aec2ac5>2009-03-19 19:59:48 +0000
committereb <eb@221aa14e-8319-0410-a670-987f0aec2ac5>2009-03-19 19:59:48 +0000
commit1910719ec29a12be380b9fa3dcd3ab893ce87ce2 (patch)
tree87de344c79e51765761b63a65b8c5470036d6ecd /gr-utils
parent06d584f74eb9407d804ce9d560c31d7c240b086f (diff)
Merged remainder of eb/t348 10637:10648. This adds a -N <nsamples>
argument to usrp_siggen.py, usrp_siggen.cc and test_usrp_standard_tx.cc. git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10650 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gr-utils')
-rwxr-xr-xgr-utils/src/python/usrp_siggen.py22
1 files changed, 18 insertions, 4 deletions
diff --git a/gr-utils/src/python/usrp_siggen.py b/gr-utils/src/python/usrp_siggen.py
index 3e7751c00f..8ae2fbfbfd 100755
--- a/gr-utils/src/python/usrp_siggen.py
+++ b/gr-utils/src/python/usrp_siggen.py
@@ -29,7 +29,7 @@ import sys
class my_top_block(gr.top_block):
- def __init__ (self):
+ def __init__ (self, nsamples):
gr.top_block.__init__(self)
# controllable values
@@ -38,6 +38,7 @@ class my_top_block(gr.top_block):
self.waveform_ampl = 16000
self.waveform_freq = 100.12345e3
self.waveform_offset = 0
+ self.nsamples = nsamples
self._instantiate_blocks ()
self.set_waveform_type (self.waveform_type)
@@ -86,19 +87,30 @@ class my_top_block(gr.top_block):
self.noisegen = gr.noise_source_c (gr.GR_UNIFORM,
self.waveform_ampl)
+ self.head = None
+ if self.nsamples > 0:
+ self.head = gr.head(gr.sizeof_gr_complex, int(self.nsamples))
+
# self.file_sink = gr.file_sink (gr.sizeof_gr_complex, "siggen.dat")
def _configure_graph (self, type):
try:
self.lock()
self.disconnect_all ()
+
+ if self.head:
+ self.connect(self.head, self.u)
+ tail = self.head
+ else:
+ tail = self.u
+
if type == gr.GR_SIN_WAVE or type == gr.GR_CONST_WAVE:
- self.connect (self.siggen, self.u)
+ self.connect (self.siggen, tail)
# self.connect (self.siggen, self.file_sink)
self.siggen.set_waveform (type)
self.src = self.siggen
elif type == gr.GR_UNIFORM or type == gr.GR_GAUSSIAN:
- self.connect (self.noisegen, self.u)
+ self.connect (self.noisegen, tail)
self.noisegen.set_type (type)
self.src = self.noisegen
else:
@@ -156,6 +168,8 @@ def main ():
help="set output gain to GAIN [default=%default]")
parser.add_option ("-o", "--offset", type="eng_float", default=0,
help="set waveform offset to OFFSET [default=%default]")
+ parser.add_option ("-N", "--nsamples", type="eng_float", default=0,
+ help="set number of samples to transmit [default=+inf]")
(options, args) = parser.parse_args ()
if len(args) != 0:
@@ -167,7 +181,7 @@ def main ():
parser.print_help()
raise SystemExit
- tb = my_top_block()
+ tb = my_top_block(options.nsamples)
tb.set_interpolator (options.interp)
tb.set_waveform_type (options.type)
tb.set_waveform_freq (options.waveform_freq)