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B210_2.py
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B210_2.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
##################################################
# GNU Radio Python Flow Graph
# Title: B210 2
# Generated: Mon Mar 11 13:33:37 2019
##################################################
from datetime import datetime
from gnuradio import blocks
from gnuradio import eng_notation
from gnuradio import fft
from gnuradio import gr
from gnuradio import uhd
from gnuradio.eng_option import eng_option
from gnuradio.fft import window
from gnuradio.filter import firdes
from optparse import OptionParser
import numpy as np
import time
class B210_2(gr.top_block):
def __init__(self, bins=4096, display_integration=2, freq=150e6, gain=20, minutes=10, samp_rate=50e6):
gr.top_block.__init__(self, "B210 2")
##################################################
# Parameters
##################################################
self.bins = bins
self.display_integration = display_integration
self.freq = freq
self.gain = gain
self.minutes = minutes
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.timenow = timenow = datetime.now().strftime("%Y%m%d_%H%M%S")
self.prefix = prefix = "/home/ggancio/obs/gnur/"
self.raw = raw = prefix + timenow + "_" + str(bins) + "_" + str(samp_rate/1e6) + "_" + str(freq/1e6) + "_raw.dat"
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", '')),
uhd.stream_args(
cpu_format="sc16",
otw_format='sc8',
channels=range(1),
),
)
self.uhd_usrp_source_0.set_clock_source('external', 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_bandwidth(samp_rate, 0)
self.fft_vxx_0 = fft.fft_vcc(bins, True, (window.blackmanharris(bins)), True, 1)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(gr.sizeof_gr_complex*1, bins)
self.blocks_nlog10_ff_0_0 = blocks.nlog10_ff(10, bins, 0)
self.blocks_multiply_conjugate_cc_0 = blocks.multiply_conjugate_cc(bins)
self.blocks_interleaved_short_to_complex_0 = blocks.interleaved_short_to_complex(True, False)
self.blocks_integrate_xx_0 = blocks.integrate_ff(int(display_integration*samp_rate/bins), bins)
self.blocks_head_0 = blocks.head(gr.sizeof_gr_complex*1, int(minutes*60*(samp_rate)))
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float*bins, raw, False)
self.blocks_file_sink_0.set_unbuffered(True)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(bins)
##################################################
# Connections
##################################################
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_integrate_xx_0, 0))
self.connect((self.blocks_head_0, 0), (self.blocks_stream_to_vector_0, 0))
self.connect((self.blocks_integrate_xx_0, 0), (self.blocks_nlog10_ff_0_0, 0))
self.connect((self.blocks_interleaved_short_to_complex_0, 0), (self.blocks_head_0, 0))
self.connect((self.blocks_multiply_conjugate_cc_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.blocks_nlog10_ff_0_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.fft_vxx_0, 0), (self.blocks_multiply_conjugate_cc_0, 0))
self.connect((self.fft_vxx_0, 0), (self.blocks_multiply_conjugate_cc_0, 1))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_interleaved_short_to_complex_0, 0))
def get_bins(self):
return self.bins
def set_bins(self, bins):
self.bins = bins
self.set_raw(self.prefix + self.timenow + "_" + str(self.bins) + "_" + str(self.samp_rate/1e6) + "_" + str(self.freq/1e6) + "_raw.dat")
def get_display_integration(self):
return self.display_integration
def set_display_integration(self, display_integration):
self.display_integration = display_integration
def get_freq(self):
return self.freq
def set_freq(self, freq):
self.freq = freq
self.set_raw(self.prefix + self.timenow + "_" + str(self.bins) + "_" + str(self.samp_rate/1e6) + "_" + str(self.freq/1e6) + "_raw.dat")
self.uhd_usrp_source_0.set_center_freq(self.freq, 0)
def get_gain(self):
return self.gain
def set_gain(self, gain):
self.gain = gain
self.uhd_usrp_source_0.set_gain(self.gain, 0)
def get_minutes(self):
return self.minutes
def set_minutes(self, minutes):
self.minutes = minutes
self.blocks_head_0.set_length(int(self.minutes*60*(self.samp_rate)))
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.set_raw(self.prefix + self.timenow + "_" + str(self.bins) + "_" + str(self.samp_rate/1e6) + "_" + str(self.freq/1e6) + "_raw.dat")
self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)
self.uhd_usrp_source_0.set_bandwidth(self.samp_rate, 0)
self.blocks_head_0.set_length(int(self.minutes*60*(self.samp_rate)))
def get_timenow(self):
return self.timenow
def set_timenow(self, timenow):
self.timenow = timenow
self.set_raw(self.prefix + self.timenow + "_" + str(self.bins) + "_" + str(self.samp_rate/1e6) + "_" + str(self.freq/1e6) + "_raw.dat")
def get_prefix(self):
return self.prefix
def set_prefix(self, prefix):
self.prefix = prefix
self.set_raw(self.prefix + self.timenow + "_" + str(self.bins) + "_" + str(self.samp_rate/1e6) + "_" + str(self.freq/1e6) + "_raw.dat")
def get_raw(self):
return self.raw
def set_raw(self, raw):
self.raw = raw
self.blocks_file_sink_0.open(self.raw)
def argument_parser():
parser = OptionParser(usage="%prog: [options]", option_class=eng_option)
parser.add_option(
"", "--bins", dest="bins", type="intx", default=4096,
help="Set bins [default=%default]")
parser.add_option(
"", "--display-integration", dest="display_integration", type="intx", default=2,
help="Set int [default=%default]")
parser.add_option(
"", "--freq", dest="freq", type="eng_float", default=eng_notation.num_to_str(150e6),
help="Set freq [default=%default]")
parser.add_option(
"", "--gain", dest="gain", type="intx", default=20,
help="Set gain [default=%default]")
parser.add_option(
"", "--minutes", dest="minutes", type="intx", default=10,
help="Set min [default=%default]")
parser.add_option(
"", "--samp-rate", dest="samp_rate", type="eng_float", default=eng_notation.num_to_str(50e6),
help="Set rate [default=%default]")
return parser
def main(top_block_cls=B210_2, options=None):
if options is None:
options, _ = argument_parser().parse_args()
tb = top_block_cls(bins=options.bins, display_integration=options.display_integration, freq=options.freq, gain=options.gain, minutes=options.minutes, samp_rate=options.samp_rate)
tb.start()
tb.wait()
if __name__ == '__main__':
main()