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Diffstat (limited to 'gr-msdd6000/src/python-examples/msdd_dynamics.py')
| -rwxr-xr-x | gr-msdd6000/src/python-examples/msdd_dynamics.py | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gr-msdd6000/src/python-examples/msdd_dynamics.py b/gr-msdd6000/src/python-examples/msdd_dynamics.py new file mode 100755 index 000000000..8cd1e52bc --- /dev/null +++ b/gr-msdd6000/src/python-examples/msdd_dynamics.py @@ -0,0 +1,99 @@ +#!/usr/bin/env python +# +# Copyright 2008 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 3, 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., 51 Franklin Street, +# Boston, MA 02110-1301, USA. +# + +from gnuradio import gr +from gnuradio import msdd +from gnuradio.eng_option import eng_option +from optparse import OptionParser +import time + +class benchmark_msdd6000(gr.top_block): + def __init__(self, address, options): + gr.top_block.__init__(self) + + # Extract the initial options + self.frequency = options.frequency + self.filename = options.filename + self.decim = options.decim + self.gain = options.gain + self.address = address + + # Set up and initialize the MSDD receiver + self.port = 10001 # required port + self.src = msdd.source_c(0, 1, self.address, self.port) + self.src.set_decim_rate(self.decim) + self.src.set_desired_packet_size(0, 1460) + self.src.set_pga(0, self.gain) + self.src.set_rx_freq(0, self.frequency) + + # Display some info + print "Min PGA: ", self.src.pga_min() + print "Max PGA: ", self.src.pga_max() + print "PGA: ", self.src.pga(0) + print "Decim: ", self.src.decim_rate() + print "Freq: ", self.src.rx_freq(0) + + # Build a file sink to save the info for post analysis + self.snk = gr.file_sink(gr.sizeof_gr_complex, self.filename) + + # Connect the reciever source to file sink + self.connect(self.src, self.snk) + +def main(): + ''' This is a simple little script to play with retunning of the MSDD board. + You can cycle through frequencies or the attenuation of the board here. + ''' + + usage="%prog: [options] host_address" + parser = OptionParser(usage=usage, option_class=eng_option, conflict_handler="resolve") + parser.add_option("-f", "--frequency", type="eng_float", default=100e6, + help="set frequency (Hz) [default=%default]") + parser.add_option("-d", "--decim", type="int", default=256, + help="set decimation rate [default=%default]") + parser.add_option("-g", "--gain", type="int", default=32, + help="set receiver gain (dB) [default=%default]") + parser.add_option("-F", "--filename", type="string", default="output.dat", + help="set output filename [default=%default]") + (options, args) = parser.parse_args () + host_address = args[0] + + # Set up benchmark system that simply connects the MSDD source to a file sink + tb = benchmark_msdd6000(host_address, options) + tb.start() # start it here + + # Adjust your parameters here. Use the time.sleep(x) function to set a wait period + # between adjusting the parameter. + for i in range(7): + time.sleep(0.5) + if 0: + freq = (tb.src.rx_freq(0) + 1) * 1e6 + tb.src.set_rx_freq(0, freq) + print "Setting frequency: ", freq + if 1: + pga = tb.src.pga(0)+10 + tb.src.set_pga(0, pga) + print "Setting PGA: ", pga + + tb.stop() # stop the radio + +if __name__ == '__main__': + main() |