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#!/usr/bin/env python
#
# Copyright 2011,2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
from gnuradio import gr
from gnuradio import blocks
from argparse import ArgumentParser
import sys
class my_graph(gr.top_block):
def __init__(self):
gr.top_block.__init__(self)
parser = ArgumentParser()
args = parser.parse_args()
src = blocks.lfsr_32k_source_s()
head = blocks.head(gr.sizeof_short, 2048)
self.dst = blocks.vector_sink_s()
self.connect(src, head, self.dst)
if __name__ == '__main__':
try:
tb = my_graph()
tb.run()
f = sys.stdout
i = 0
for s in tb.dst.data():
f.write("%3d, " % (s & 0xff,))
f.write("%3d, " % ((s >> 8) & 0xff,))
i = i+2
if i % 16 == 0:
f.write('\n')
except KeyboardInterrupt:
pass
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