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authorjaseg <git-bigdata-wsl-arch@jaseg.de>2021-04-09 18:38:02 +0200
committerjaseg <git-bigdata-wsl-arch@jaseg.de>2021-04-09 18:38:57 +0200
commit50998fcfb916ae251309bd4b464f2c122e8cb30d (patch)
tree4ecf7a7443b75ab51c4dc0c0fc9289342dc7d6a0 /dec_proto_fm_ber_top.py
parent312fee491cfab436d52db4b6265107e20f3e1293 (diff)
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-rwxr-xr-xdec_proto_fm_ber_top.py183
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diff --git a/dec_proto_fm_ber_top.py b/dec_proto_fm_ber_top.py
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-#!/usr/bin/env python2
-# -*- coding: utf-8 -*-
-##################################################
-# GNU Radio Python Flow Graph
-# Title: Dec Proto Fm Ber Top
-# GNU Radio version: 3.7.13.5
-##################################################
-
-from gnuradio import analog
-from gnuradio import blocks
-from gnuradio import digital
-from gnuradio import eng_notation
-from gnuradio import fec
-from gnuradio import filter
-from gnuradio import gr
-from gnuradio.eng_option import eng_option
-from gnuradio.filter import firdes
-from optparse import OptionParser
-import math
-import pmt
-
-
-class dec_proto_fm_ber_top(gr.top_block):
-
- def __init__(self, ber_file='0', signal_strength=1):
- gr.top_block.__init__(self, "Dec Proto Fm Ber Top")
-
- ##################################################
- # Parameters
- ##################################################
- self.ber_file = ber_file
- self.signal_strength = signal_strength
-
- ##################################################
- # Variables
- ##################################################
- self.sim_mul = sim_mul = 1e4
- self.actual_sampling_rate = actual_sampling_rate = 10
- self.sync_tag = sync_tag = gr.tag_utils.python_to_tag((0, pmt.intern("sync"), pmt.from_double(0.0), pmt.intern("correlate_access_code")))
- self.samp_rate = samp_rate = actual_sampling_rate*sim_mul
- self.pi = pi = 3.141592653589793
- self.packet_time_est_tag = packet_time_est_tag = gr.tag_utils.python_to_tag((0, pmt.intern("start"), pmt.from_double(0.0), pmt.intern("packet_vector_source")))
-
- ##################################################
- # Blocks
- ##################################################
- self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
- 1, samp_rate, 0.1 * sim_mul, 0.05 * sim_mul, firdes.WIN_HAMMING, 6.76))
- self.fec_ber_bf_0 = fec.ber_bf(False, 0, -7.0)
- self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(50, 0.001, 0, 0.01, 0.01)
- self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
- self.blocks_vector_source_x_0_0_1_0 = blocks.vector_source_f([1,0]*(4*12)+[1,1,0,1,0,1,0,1]*12+[1,0,1,1,1,1,1,0,0,1]+[1,1,1,1,0,1,1,0,0,1]+[1,0,1,1,1,1,1,0,0,1]+[0,1,1,1,0,1,1,0,1,0]+[0,0,0,0,0,1,0,1,0,1,1,0,0,1,1,1,0,0,0,0]+[0]*128, True, 1, [packet_time_est_tag])
- self.blocks_vco_f_0 = blocks.vco_f(samp_rate, sim_mul*2*pi, signal_strength*1e-3)
- self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate,True)
- self.blocks_repeat_0 = blocks.repeat(gr.sizeof_float*1, 10*5)
- self.blocks_null_source_1 = blocks.null_source(gr.sizeof_float*1)
- self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
- self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vff((0.2, ))
- self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
- self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
- self.blocks_file_source_0 = blocks.file_source(gr.sizeof_float*1, '/home/user/research/smart_meter_reset/gm_platform/fw/raw_freq.bin', True)
- self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
- self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float*1, ber_file, False)
- self.blocks_file_sink_0.set_unbuffered(False)
- self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, 5)
- self.blocks_add_xx_0 = blocks.add_vff(1)
- self.blocks_add_const_vxx_1 = blocks.add_const_vff((1.0, ))
- self.blocks_add_const_vxx_0 = blocks.add_const_vff((-50, ))
- self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, -1.1 * sim_mul, 1, 0)
- self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(8)
-
-
-
- ##################################################
- # Connections
- ##################################################
- self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
- self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
- self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_add_xx_0, 0))
- self.connect((self.blocks_add_const_vxx_1, 0), (self.blocks_vco_f_0, 0))
- self.connect((self.blocks_add_xx_0, 0), (self.blocks_float_to_complex_0, 0))
- self.connect((self.blocks_delay_0, 0), (self.blocks_float_to_char_0, 0))
- self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
- self.connect((self.blocks_float_to_char_0, 0), (self.fec_ber_bf_0, 1))
- self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0, 0))
- self.connect((self.blocks_multiply_const_vxx_1, 0), (self.blocks_add_const_vxx_1, 0))
- self.connect((self.blocks_multiply_xx_0, 0), (self.low_pass_filter_0, 0))
- self.connect((self.blocks_null_source_1, 0), (self.blocks_float_to_complex_0, 1))
- self.connect((self.blocks_repeat_0, 0), (self.blocks_multiply_const_vxx_1, 0))
- self.connect((self.blocks_throttle_0, 0), (self.blocks_add_const_vxx_0, 0))
- self.connect((self.blocks_vco_f_0, 0), (self.blocks_add_xx_0, 1))
- self.connect((self.blocks_vector_source_x_0_0_1_0, 0), (self.blocks_delay_0, 0))
- self.connect((self.blocks_vector_source_x_0_0_1_0, 0), (self.blocks_repeat_0, 0))
- self.connect((self.digital_binary_slicer_fb_0, 0), (self.fec_ber_bf_0, 0))
- self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
- self.connect((self.fec_ber_bf_0, 0), (self.blocks_file_sink_0, 0))
- self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
-
- def get_ber_file(self):
- return self.ber_file
-
- def set_ber_file(self, ber_file):
- self.ber_file = ber_file
- self.blocks_file_sink_0.open(self.ber_file)
-
- def get_signal_strength(self):
- return self.signal_strength
-
- def set_signal_strength(self, signal_strength):
- self.signal_strength = signal_strength
-
- def get_sim_mul(self):
- return self.sim_mul
-
- def set_sim_mul(self, sim_mul):
- self.sim_mul = sim_mul
- self.set_samp_rate(self.actual_sampling_rate*self.sim_mul)
- self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, 0.1 * self.sim_mul, 0.05 * self.sim_mul, firdes.WIN_HAMMING, 6.76))
- self.analog_sig_source_x_0.set_frequency(-1.1 * self.sim_mul)
-
- def get_actual_sampling_rate(self):
- return self.actual_sampling_rate
-
- def set_actual_sampling_rate(self, actual_sampling_rate):
- self.actual_sampling_rate = actual_sampling_rate
- self.set_samp_rate(self.actual_sampling_rate*self.sim_mul)
-
- def get_sync_tag(self):
- return self.sync_tag
-
- def set_sync_tag(self, sync_tag):
- self.sync_tag = sync_tag
-
- 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(1, self.samp_rate, 0.1 * self.sim_mul, 0.05 * self.sim_mul, firdes.WIN_HAMMING, 6.76))
- self.blocks_throttle_0.set_sample_rate(self.samp_rate)
- self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate)
-
- def get_pi(self):
- return self.pi
-
- def set_pi(self, pi):
- self.pi = pi
-
- def get_packet_time_est_tag(self):
- return self.packet_time_est_tag
-
- def set_packet_time_est_tag(self, packet_time_est_tag):
- self.packet_time_est_tag = packet_time_est_tag
- self.blocks_vector_source_x_0_0_1_0.set_data([1,0]*(4*12)+[1,1,0,1,0,1,0,1]*12+[1,0,1,1,1,1,1,0,0,1]+[1,1,1,1,0,1,1,0,0,1]+[1,0,1,1,1,1,1,0,0,1]+[0,1,1,1,0,1,1,0,1,0]+[0,0,0,0,0,1,0,1,0,1,1,0,0,1,1,1,0,0,0,0]+[0]*128, [self.packet_time_est_tag])
-
-
-def argument_parser():
- parser = OptionParser(usage="%prog: [options]", option_class=eng_option)
- parser.add_option(
- "", "--ber-file", dest="ber_file", type="string", default='0',
- help="Set BER data output file [default=%default]")
- parser.add_option(
- "", "--signal-strength", dest="signal_strength", type="eng_float", default=eng_notation.num_to_str(1),
- help="Set signal strength in mHz [default=%default]")
- return parser
-
-
-def main(top_block_cls=dec_proto_fm_ber_top, options=None):
- if options is None:
- options, _ = argument_parser().parse_args()
-
- tb = top_block_cls(ber_file=options.ber_file, signal_strength=options.signal_strength)
- tb.start()
- try:
- raw_input('Press Enter to quit: ')
- except EOFError:
- pass
- tb.stop()
- tb.wait()
-
-
-if __name__ == '__main__':
- main()