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#!/usr/bin/env python
from gnuradio import gr, gru
from gnuradio.eng_option import eng_option
from optparse import OptionParser
import sys
class my_graph(gr.flow_graph):
def __init__(self):
gr.flow_graph.__init__(self)
parser = OptionParser(option_class=eng_option)
(options, args) = parser.parse_args ()
if len(args) != 0:
parser.print_help()
raise SystemExit, 1
src = gr.lfsr_32k_source_s()
head = gr.head(gr.sizeof_short, 2048)
self.dst = gr.vector_sink_s()
self.connect(src, head, self.dst)
if __name__ == '__main__':
try:
fg = my_graph()
fg.run()
f = sys.stdout
i = 0
for s in fg.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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