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| author | Nao Pross <np@0hm.ch> | 2021-11-28 01:07:08 +0100 |
|---|---|---|
| committer | Nao Pross <np@0hm.ch> | 2021-11-28 02:04:40 +0100 |
| commit | 9eb911230923e11773be422f76726dfbfad7e5bc (patch) | |
| tree | fb1fce3e94db400d912973a9909fa8c641df35ae /tests | |
| parent | Move GUI files into their dir (diff) | |
| download | Fading-9eb911230923e11773be422f76726dfbfad7e5bc.tar.gz Fading-9eb911230923e11773be422f76726dfbfad7e5bc.zip | |
Delete acgen stuff, it was all wrong
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/correlator/acgen.dat | 15 | ||||
| -rw-r--r-- | tests/correlator/acgen.grc | 198 | ||||
| -rwxr-xr-x | tests/correlator/acgen.py | 125 | ||||
| -rwxr-xr-x | tests/correlator/acproc.py | 73 |
4 files changed, 0 insertions, 411 deletions
diff --git a/tests/correlator/acgen.dat b/tests/correlator/acgen.dat deleted file mode 100644 index a13db8e..0000000 --- a/tests/correlator/acgen.dat +++ /dev/null @@ -1,15 +0,0 @@ -s9s9tytyRRP8|!P8|!99)Eס)Eס - -""bI:bI:T¡T¡SS٦"٦"o:o:̟w̟wS픺S픺Nj#Nj#8:8:]]XźXź"#"#E:E:ŢŢKKдk#дk#9;9;BBZ Z U2}#U2}#&4;&4;N -N -q?q?##lbZ;lbZ; 颓 vgvga#a#f;f; 3 3##.;.;m=m=xxT#T#P";P";Y~]Y~]ȻȻ(!$(!$;;??DDj$$j$$`<`<3nѣ3nѣ u uĜ&$Ĝ&$#<#<E3E33&$3&$PI<PI<מ/מ/^^V#$V#$/|</|<aa$$G<G<CC$$~ <~ <ĤĤר#ר##"=#"= +N+N֟
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\ No newline at end of file diff --git a/tests/correlator/acgen.grc b/tests/correlator/acgen.grc deleted file mode 100644 index abdc3bc..0000000 --- a/tests/correlator/acgen.grc +++ /dev/null @@ -1,198 +0,0 @@ -options: - parameters: - author: Naoki Pross - category: '[GRC Hier Blocks]' - cmake_opt: '' - comment: '' - copyright: '' - description: '' - gen_cmake: 'On' - gen_linking: dynamic - generate_options: no_gui - hier_block_src_path: '.:' - id: acgen - max_nouts: '0' - output_language: python - placement: (0,0) - qt_qss_theme: '' - realtime_scheduling: '' - run: 'True' - run_command: '{python} -u {filename}' - run_options: run - sizing_mode: fixed - thread_safe_setters: '' - title: Access Code Symbols Generator - window_size: '' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [8, 8] - rotation: 0 - state: enabled - -blocks: -- name: access_code - id: variable - parameters: - comment: '' - value: '[ 0xaa, 0xff, 0xff ]' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [40, 292.0] - rotation: 0 - state: true -- name: const - id: variable_constellation - parameters: - comment: '' - const_points: '[-1-1j, -1+1j, 1+1j, 1-1j]' - dims: '1' - precision: '8' - rot_sym: '4' - soft_dec_lut: None - sym_map: '[0, 1, 3, 2]' - type: qpsk - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [464, 124.0] - rotation: 0 - state: true -- name: excess_bw - id: variable - parameters: - comment: '' - value: '1' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [464, 308.0] - rotation: 0 - state: true -- name: padding_zeros - id: variable - parameters: - comment: '' - value: '10' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [40, 364.0] - rotation: 0 - state: true -- name: samp_rate - id: variable - parameters: - comment: '' - value: '32000' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [208, 12.0] - rotation: 0 - state: enabled -- name: sps - id: variable - parameters: - comment: '' - value: '4' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [304, 12.0] - rotation: 0 - state: true -- name: blocks_file_sink_0 - id: blocks_file_sink - parameters: - affinity: '' - alias: '' - append: 'False' - comment: '' - file: acgen.dat - type: complex - unbuffered: 'False' - vlen: '1' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [752, 204.0] - rotation: 0 - state: true -- name: blocks_throttle_0 - id: blocks_throttle - parameters: - affinity: '' - alias: '' - comment: '' - ignoretag: 'True' - maxoutbuf: '0' - minoutbuf: '0' - samples_per_second: samp_rate - type: byte - vlen: '1' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [264, 220.0] - rotation: 0 - state: true -- name: blocks_vector_source_x_0 - id: blocks_vector_source_x - parameters: - affinity: '' - alias: '' - comment: '' - maxoutbuf: '0' - minoutbuf: '0' - repeat: 'False' - tags: '[]' - type: byte - vector: '[0x00] * padding_zeros + access_code * 10' - vlen: '1' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [40, 204.0] - rotation: 0 - state: true -- name: digital_constellation_modulator_0 - id: digital_constellation_modulator - parameters: - affinity: '' - alias: '' - comment: '' - constellation: const - differential: 'False' - excess_bw: excess_bw - log: 'False' - maxoutbuf: '0' - minoutbuf: '0' - samples_per_symbol: sps - verbose: 'False' - states: - bus_sink: false - bus_source: false - bus_structure: null - coordinate: [464, 196.0] - rotation: 0 - state: true - -connections: -- [blocks_throttle_0, '0', digital_constellation_modulator_0, '0'] -- [blocks_vector_source_x_0, '0', blocks_throttle_0, '0'] -- [digital_constellation_modulator_0, '0', blocks_file_sink_0, '0'] - -metadata: - file_format: 1 diff --git a/tests/correlator/acgen.py b/tests/correlator/acgen.py deleted file mode 100755 index 4d18b92..0000000 --- a/tests/correlator/acgen.py +++ /dev/null @@ -1,125 +0,0 @@ -#!/usr/bin/env python3 -# -*- coding: utf-8 -*- - -# -# SPDX-License-Identifier: GPL-3.0 -# -# GNU Radio Python Flow Graph -# Title: Access Code Symbols Generator -# Author: Naoki Pross -# GNU Radio version: 3.8.2.0 - -from gnuradio import blocks -from gnuradio import digital -from gnuradio import gr -from gnuradio.filter import firdes -import sys -import signal -from argparse import ArgumentParser -from gnuradio.eng_arg import eng_float, intx -from gnuradio import eng_notation - - -class acgen(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self, "Access Code Symbols Generator") - - ################################################## - # Variables - ################################################## - self.sps = sps = 4 - self.samp_rate = samp_rate = 32000 - self.padding_zeros = padding_zeros = 10 - self.excess_bw = excess_bw = 1 - self.const = const = digital.constellation_qpsk().base() - self.access_code = access_code = [ 0xaa, 0xff, 0xff ] - - ################################################## - # Blocks - ################################################## - self.digital_constellation_modulator_0 = digital.generic_mod( - constellation=const, - differential=False, - samples_per_symbol=sps, - pre_diff_code=True, - excess_bw=excess_bw, - verbose=False, - log=False) - self.blocks_vector_source_x_0 = blocks.vector_source_b([0x00] * padding_zeros + access_code * 10, False, 1, []) - self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True) - self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, 'acgen.dat', False) - self.blocks_file_sink_0.set_unbuffered(False) - - - - ################################################## - # Connections - ################################################## - self.connect((self.blocks_throttle_0, 0), (self.digital_constellation_modulator_0, 0)) - self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_throttle_0, 0)) - self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_file_sink_0, 0)) - - - def get_sps(self): - return self.sps - - def set_sps(self, sps): - self.sps = sps - - def get_samp_rate(self): - return self.samp_rate - - def set_samp_rate(self, samp_rate): - self.samp_rate = samp_rate - self.blocks_throttle_0.set_sample_rate(self.samp_rate) - - def get_padding_zeros(self): - return self.padding_zeros - - def set_padding_zeros(self, padding_zeros): - self.padding_zeros = padding_zeros - self.blocks_vector_source_x_0.set_data([0x00] * self.padding_zeros + self.access_code * 10, []) - - def get_excess_bw(self): - return self.excess_bw - - def set_excess_bw(self, excess_bw): - self.excess_bw = excess_bw - - def get_const(self): - return self.const - - def set_const(self, const): - self.const = const - - def get_access_code(self): - return self.access_code - - def set_access_code(self, access_code): - self.access_code = access_code - self.blocks_vector_source_x_0.set_data([0x00] * self.padding_zeros + self.access_code * 10, []) - - - - - -def main(top_block_cls=acgen, 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() diff --git a/tests/correlator/acproc.py b/tests/correlator/acproc.py deleted file mode 100755 index 50c9a38..0000000 --- a/tests/correlator/acproc.py +++ /dev/null @@ -1,73 +0,0 @@ -#!/usr/bin/env python3 - -import numpy as np -import matplotlib.pyplot as plt -from acgen import acgen - -# parameters -access_code_bits = [ 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, ] -access_code = list(np.packbits([0] * 3 + access_code_bits)) -padding_zeros = 10 - -# Create samples -print(f"Modulating symbols for access code {access_code_bits} = {access_code} with after {padding_zeros} empty bytes") -gen = acgen() -gen.set_access_code(access_code) -gen.set_padding_zeros(padding_zeros) - -gen.start() -gen.wait() - -# Extract one sequence -print("Extracting symbol sequence") - -# raw data -data = np.fromfile("acgen.dat", dtype=np.complex64) -plt.plot(data.real) -plt.plot(data.imag) -plt.title("Raw Data (time domain)") -plt.show() - -# take only symbols -symbols = data[1::gen.sps] - -plt.plot(symbols.real, symbols.imag) -plt.title("Symbols only (constellation)") -plt.show() - -# where ac symbols start, in symbols -ac_start = (padding_zeros) * 8 + 3 # plus three because code is 13 bits -ac_end = ac_start + int(np.ceil(len(access_code_bits) / 2.)) # divided by two because QPSK - -ac = symbols[ac_start:ac_end] - -print(f"Generated {len(ac)} (left padded) symbols from a {len(access_code_bits)} bit sequence") -print(list(ac)) - -print(f"Upsampled to {gen.sps} samples per symbos") -print(sum([[i, i, i, i] for i in ac], [])) - -fig, (ax1, ax2) = plt.subplots(2, 1) -fig.tight_layout() - -ax1.plot(ac.real, ac.imag) -ax1.set_title("Symbols of Access Code (constellation)") - -ax2.plot(ac.real, ".-") -ax2.plot(ac.imag, ".-") -ax2.set_title("Symbols of Access Code (time)") -plt.show() - -fir = list(np.conj(ac[::-1])) - -# Print the symbols -print("Reversed complex conjugate symbols (for FIR filter):") -print(fir) - -# Compute cross correlation - -xc = np.convolve(fir, ac) - -plt.plot(np.abs(xc)) -plt.title("Cross correlation (FIR)") -plt.show() |