#!/usr/bin/env python3 # -*- coding: utf-8 -*- # # SPDX-License-Identifier: GPL-3.0 # # GNU Radio Python Flow Graph # Title: Dop 4Frq Nozaki Chiver 100Hz # GNU Radio version: 3.10.9.2 from gnuradio import blocks from gnuradio import filter from gnuradio.filter import firdes from gnuradio import gr from gnuradio.fft import window import sys import signal from argparse import ArgumentParser from gnuradio.eng_arg import eng_float, intx from gnuradio import eng_notation from gnuradio import uhd import time class dop_4frq_nozaki_chiver_100Hz(gr.top_block): def __init__(self): gr.top_block.__init__(self, "Dop 4Frq Nozaki Chiver 100Hz", catch_exceptions=True) ################################################## # Variables ################################################## self.width = width = 5 self.tune9M = tune9M = 9595e3 self.tune8M = tune8M = 8006e3 self.tune6M = tune6M = 6055e3 self.tune5M = tune5M = 5006000 self.tune3M = tune3M = 3925e3 self.samp_rate = samp_rate = 40000 self.gain = gain = 60 self.filter_gain = filter_gain = 30 self.cutoff_freq = cutoff_freq = 10 self.center_freq = center_freq = 6e6 ################################################## # Blocks ################################################## self.uhd_usrp_source_1 = uhd.usrp_source( ",".join(("addr=192.168.10.2", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0,1)), ), ) self.uhd_usrp_source_1.set_clock_source('gpsdo', 0) self.uhd_usrp_source_1.set_time_source('gpsdo', 0) self.uhd_usrp_source_1.set_samp_rate((samp_rate*125)) self.uhd_usrp_source_1.set_time_unknown_pps(uhd.time_spec(0)) self.uhd_usrp_source_1.set_center_freq(center_freq, 0) self.uhd_usrp_source_1.set_gain(gain, 0) self.low_pass_filter_0_2 = filter.fir_filter_ccf( 50000, firdes.low_pass( filter_gain, (samp_rate*125), cutoff_freq, width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_1 = filter.fir_filter_ccf( 50000, firdes.low_pass( filter_gain, (samp_rate*125), cutoff_freq, width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_0 = filter.fir_filter_ccf( 50000, firdes.low_pass( filter_gain, (samp_rate*125), cutoff_freq, width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0 = filter.fir_filter_ccf( 50000, firdes.low_pass( filter_gain, (samp_rate*125), cutoff_freq, width, window.WIN_HAMMING, 6.76)) self.freq_xlating_fir_filter_xxx_0_0_1 = filter.freq_xlating_fir_filter_ccc(1, [32], (tune5M-center_freq), (samp_rate*125)) self.freq_xlating_fir_filter_xxx_0_0_0 = filter.freq_xlating_fir_filter_ccc(1, [32], (tune6M-center_freq), (samp_rate*125)) self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(1, [32], (tune8M-center_freq), (samp_rate*125)) self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, [32], (tune3M-center_freq), (samp_rate*125)) self.blocks_file_sink_0_2 = blocks.file_sink(gr.sizeof_gr_complex*1, '/home/hfd/data/data_5006.bin', True) self.blocks_file_sink_0_2.set_unbuffered(False) self.blocks_file_sink_0_1 = blocks.file_sink(gr.sizeof_gr_complex*1, '/home/hfd/data/data_6055.bin', True) self.blocks_file_sink_0_1.set_unbuffered(False) self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_gr_complex*1, '/home/hfd/data/data_8006.bin', True) self.blocks_file_sink_0_0.set_unbuffered(False) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, '/home/hfd/data/data_3925.bin', True) self.blocks_file_sink_0.set_unbuffered(False) ################################################## # Connections ################################################## self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.low_pass_filter_0_0, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0_0_0, 0), (self.low_pass_filter_0_1, 0)) self.connect((self.freq_xlating_fir_filter_xxx_0_0_1, 0), (self.low_pass_filter_0_2, 0)) self.connect((self.low_pass_filter_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.low_pass_filter_0_0, 0), (self.blocks_file_sink_0_0, 0)) self.connect((self.low_pass_filter_0_1, 0), (self.blocks_file_sink_0_1, 0)) self.connect((self.low_pass_filter_0_2, 0), (self.blocks_file_sink_0_2, 0)) self.connect((self.uhd_usrp_source_1, 0), (self.freq_xlating_fir_filter_xxx_0, 0)) self.connect((self.uhd_usrp_source_1, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0)) self.connect((self.uhd_usrp_source_1, 0), (self.freq_xlating_fir_filter_xxx_0_0_0, 0)) self.connect((self.uhd_usrp_source_1, 0), (self.freq_xlating_fir_filter_xxx_0_0_1, 0)) def get_width(self): return self.width def set_width(self, width): self.width = width self.low_pass_filter_0.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_0.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_1.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_2.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) def get_tune9M(self): return self.tune9M def set_tune9M(self, tune9M): self.tune9M = tune9M def get_tune8M(self): return self.tune8M def set_tune8M(self, tune8M): self.tune8M = tune8M self.freq_xlating_fir_filter_xxx_0_0.set_center_freq((self.tune8M-self.center_freq)) def get_tune6M(self): return self.tune6M def set_tune6M(self, tune6M): self.tune6M = tune6M self.freq_xlating_fir_filter_xxx_0_0_0.set_center_freq((self.tune6M-self.center_freq)) def get_tune5M(self): return self.tune5M def set_tune5M(self, tune5M): self.tune5M = tune5M self.freq_xlating_fir_filter_xxx_0_0_1.set_center_freq((self.tune5M-self.center_freq)) def get_tune3M(self): return self.tune3M def set_tune3M(self, tune3M): self.tune3M = tune3M self.freq_xlating_fir_filter_xxx_0.set_center_freq((self.tune3M-self.center_freq)) def get_samp_rate(self): return self.samp_rate def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.low_pass_filter_0.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_0.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_1.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_2.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.uhd_usrp_source_1.set_samp_rate((self.samp_rate*125)) def get_gain(self): return self.gain def set_gain(self, gain): self.gain = gain self.uhd_usrp_source_1.set_gain(self.gain, 0) def get_filter_gain(self): return self.filter_gain def set_filter_gain(self, filter_gain): self.filter_gain = filter_gain self.low_pass_filter_0.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_0.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_1.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_2.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) def get_cutoff_freq(self): return self.cutoff_freq def set_cutoff_freq(self, cutoff_freq): self.cutoff_freq = cutoff_freq self.low_pass_filter_0.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_0.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_1.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) self.low_pass_filter_0_2.set_taps(firdes.low_pass(self.filter_gain, (self.samp_rate*125), self.cutoff_freq, self.width, window.WIN_HAMMING, 6.76)) def get_center_freq(self): return self.center_freq def set_center_freq(self, center_freq): self.center_freq = center_freq self.freq_xlating_fir_filter_xxx_0.set_center_freq((self.tune3M-self.center_freq)) self.freq_xlating_fir_filter_xxx_0_0.set_center_freq((self.tune8M-self.center_freq)) self.freq_xlating_fir_filter_xxx_0_0_0.set_center_freq((self.tune6M-self.center_freq)) self.freq_xlating_fir_filter_xxx_0_0_1.set_center_freq((self.tune5M-self.center_freq)) self.uhd_usrp_source_1.set_center_freq(self.center_freq, 0) def main(top_block_cls=dop_4frq_nozaki_chiver_100Hz, options=None): tb = top_block_cls() def sig_handler(sig=None, frame=None): tb.stop() tb.wait() sys.exit(0) signal.signal(signal.SIGINT, sig_handler) signal.signal(signal.SIGTERM, sig_handler) tb.start() tb.wait() if __name__ == '__main__': main()