#!/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: 3.10.1.1 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 sdrplay3 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 = 5500000 ################################################## # Blocks ################################################## self.sdrplay3_rspdx_0 = sdrplay3.rspdx( '', stream_args=sdrplay3.stream_args( output_type='fc32', channels_size=1 ), ) self.sdrplay3_rspdx_0.set_sample_rate(2000000, False) self.sdrplay3_rspdx_0.set_center_freq(center_freq, False) self.sdrplay3_rspdx_0.set_bandwidth(0) self.sdrplay3_rspdx_0.set_antenna('Antenna C') self.sdrplay3_rspdx_0.set_gain_mode(False) self.sdrplay3_rspdx_0.set_gain(-(40), 'IF', False) self.sdrplay3_rspdx_0.set_gain(-(0), 'RF', False) self.sdrplay3_rspdx_0.set_freq_corr(0) self.sdrplay3_rspdx_0.set_dc_offset_mode(False) self.sdrplay3_rspdx_0.set_iq_balance_mode(False) self.sdrplay3_rspdx_0.set_agc_setpoint(-30) self.sdrplay3_rspdx_0.set_hdr_mode(False) self.sdrplay3_rspdx_0.set_rf_notch_filter(False) self.sdrplay3_rspdx_0.set_dab_notch_filter(False) self.sdrplay3_rspdx_0.set_biasT(False) self.sdrplay3_rspdx_0.set_debug_mode(False) self.sdrplay3_rspdx_0.set_sample_sequence_gaps_check(False) self.sdrplay3_rspdx_0.set_show_gain_changes(False) self.low_pass_filter_0_2 = filter.fir_filter_ccf( 20, 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( 20, 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.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) ################################################## # Connections ################################################## 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_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.sdrplay3_rspdx_0, 0), (self.freq_xlating_fir_filter_xxx_0_0_0, 0)) self.connect((self.sdrplay3_rspdx_0, 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_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 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 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_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_gain(self): return self.gain def set_gain(self, gain): self.gain = gain 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_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_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_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.sdrplay3_rspdx_0.set_center_freq(self.center_freq, False) 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()