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#!/usr/bin/env python
#
# Copyright 2004 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
"""
Check Rx path or USRP Rev 1.
This configures the USRP to return a periodic sequence of integers
"""
from gnuradio import gr
from gnuradio import usrp
def build_graph ():
rx_decim = 32
fg = gr.flow_graph ()
usrp_rx = usrp.source_s (0, rx_decim, 1, 0x32103210, usrp.FPGA_MODE_COUNTING)
sink = gr.check_counting_s ()
fg.connect (usrp_rx, sink)
# file_sink = gr.file_sink (gr.sizeof_short, 'counting.dat')
# fg.connect (usrp_rx, file_sink)
return fg
def main ():
fg = build_graph ()
try:
fg.run()
except KeyboardInterrupt:
pass
if __name__ == '__main__':
main ()
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