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-rw-r--r--tests/correlator/acgen.datbin0 -> 5120 bytes
-rw-r--r--tests/correlator/acgen.grc186
-rwxr-xr-xtests/correlator/acgen.py117
-rwxr-xr-xtests/correlator/acproc.py56
-rw-r--r--tests/correlator/correlator.grc490
-rwxr-xr-xtests/correlator/correlator.py310
6 files changed, 1159 insertions, 0 deletions
diff --git a/tests/correlator/acgen.dat b/tests/correlator/acgen.dat
new file mode 100644
index 0000000..a6ad193
--- /dev/null
+++ b/tests/correlator/acgen.dat
Binary files differ
diff --git a/tests/correlator/acgen.grc b/tests/correlator/acgen.grc
new file mode 100644
index 0000000..b0aa685
--- /dev/null
+++ b/tests/correlator/acgen.grc
@@ -0,0 +1,186 @@
+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: samp_rate
+ id: variable
+ parameters:
+ comment: ''
+ value: '32000'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [200, 44.0]
+ rotation: 0
+ state: enabled
+- name: sps
+ id: variable
+ parameters:
+ comment: ''
+ value: '4'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [312, 44.0]
+ 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] * 10 + 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
new file mode 100755
index 0000000..f4486e4
--- /dev/null
+++ b/tests/correlator/acgen.py
@@ -0,0 +1,117 @@
+#!/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.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] * 10 + 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_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] * 10 + 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
new file mode 100755
index 0000000..5f6ace3
--- /dev/null
+++ b/tests/correlator/acproc.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+
+import numpy as np
+import matplotlib.pyplot as plt
+import acgen
+
+# Parameters
+# samples per symbol
+sps = 4
+# number of initial bytes (to ignore)
+nzeros = 10
+# length of the access code in bytes
+aclen = 2
+
+# Create samples
+print("Modulating symbols")
+acgen.main()
+
+# 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::sps]
+plt.plot(symbols.real, symbols.imag)
+plt.title("Symbols only (constellation)")
+plt.show()
+
+# where ac symbols start, in symbols
+ac_start = nzeros * 8
+ac_end = ac_start + aclen * 8
+
+ac = symbols[ac_start:ac_end]
+
+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()
+
+# print the symbols
+print(f"Generated {len(ac)} symbols from a {aclen} byte sequence")
+print(list(ac))
+print("Reversed symbols (for FIR filter)")
+print(list(ac[::-1]))
diff --git a/tests/correlator/correlator.grc b/tests/correlator/correlator.grc
new file mode 100644
index 0000000..a5a8c89
--- /dev/null
+++ b/tests/correlator/correlator.grc
@@ -0,0 +1,490 @@
+options:
+ parameters:
+ author: Naoki Pross
+ category: '[GRC Hier Blocks]'
+ cmake_opt: ''
+ comment: ''
+ copyright: ''
+ description: ''
+ gen_cmake: 'On'
+ gen_linking: dynamic
+ generate_options: qt_gui
+ hier_block_src_path: '.:'
+ id: correlator
+ max_nouts: '0'
+ output_language: python
+ placement: (0,0)
+ qt_qss_theme: ''
+ realtime_scheduling: ''
+ run: 'True'
+ run_command: '{python} -u {filename}'
+ run_options: prompt
+ sizing_mode: fixed
+ thread_safe_setters: ''
+ title: Correlator Test
+ window_size: ''
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [8, 8]
+ rotation: 0
+ state: enabled
+
+blocks:
+- 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: [432, 164.0]
+ rotation: 0
+ state: true
+- name: excess_bw
+ id: variable
+ parameters:
+ comment: ''
+ value: '.35'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [432, 340.0]
+ rotation: 0
+ state: true
+- name: nfilts
+ id: variable
+ parameters:
+ comment: ''
+ value: '32'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [696, 356.0]
+ rotation: 0
+ state: true
+- name: rrc_taps
+ id: variable
+ parameters:
+ comment: ''
+ value: firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [768, 356.0]
+ rotation: 0
+ state: true
+- name: samp_rate
+ id: variable
+ parameters:
+ comment: ''
+ value: '32000'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [256, 52.0]
+ rotation: 0
+ state: enabled
+- name: sps
+ id: variable
+ parameters:
+ comment: ''
+ value: '4'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [352, 52.0]
+ rotation: 0
+ state: true
+- name: timing_loop_bw
+ id: variable
+ parameters:
+ comment: ''
+ value: 2 * 3.141592653589793 / 100
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [696, 420.0]
+ rotation: 0
+ state: true
+- name: blocks_null_sink_0
+ id: blocks_null_sink
+ parameters:
+ affinity: ''
+ alias: ''
+ bus_structure_sink: '[[0,],]'
+ comment: ''
+ num_inputs: '1'
+ type: byte
+ vlen: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1528, 216.0]
+ 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: [248, 260.0]
+ 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] * 10 + [0xaa, 0xff, 0xff] + [0x00] * 10'
+ vlen: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [16, 244.0]
+ rotation: 0
+ state: true
+- name: digital_cma_equalizer_cc_0
+ id: digital_cma_equalizer_cc
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ modulus: '1'
+ mu: '.002'
+ num_taps: '15'
+ sps: '1'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [992, 188.0]
+ rotation: 0
+ state: true
+- name: digital_constellation_decoder_cb_0
+ id: digital_constellation_decoder_cb
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ constellation: const
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1264, 212.0]
+ 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: [432, 236.0]
+ rotation: 0
+ state: true
+- name: digital_pfb_clock_sync_xxx_0
+ id: digital_pfb_clock_sync_xxx
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ filter_size: nfilts
+ init_phase: '16'
+ loop_bw: timing_loop_bw
+ max_dev: '1.5'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ osps: '1'
+ sps: sps
+ taps: rrc_taps
+ type: ccf
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [696, 212.0]
+ rotation: 0
+ state: true
+- name: fir_filter_xxx_1
+ id: fir_filter_xxx
+ parameters:
+ affinity: ''
+ alias: ''
+ comment: ''
+ decim: '1'
+ maxoutbuf: '0'
+ minoutbuf: '0'
+ samp_delay: '0'
+ taps: '[(1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j),
+ (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (-1.4142197+1.4142197j),
+ (-1.4142197+1.4142197j), (-1.4142197+1.4142197j), (-1.4142197+1.4142197j), (1.4142197+1.4142197j),
+ (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j),
+ (1.4142197+1.4142197j)]'
+ type: ccc
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1240, 76.0]
+ rotation: 0
+ state: enabled
+- name: qtgui_time_sink_x_0
+ id: qtgui_time_sink_x
+ parameters:
+ affinity: ''
+ alias: ''
+ alpha1: '1.0'
+ alpha10: '1.0'
+ alpha2: '1.0'
+ alpha3: '1.0'
+ alpha4: '1.0'
+ alpha5: '1.0'
+ alpha6: '1.0'
+ alpha7: '1.0'
+ alpha8: '1.0'
+ alpha9: '1.0'
+ autoscale: 'False'
+ axislabels: 'True'
+ color1: blue
+ color10: dark blue
+ color2: red
+ color3: green
+ color4: black
+ color5: cyan
+ color6: magenta
+ color7: yellow
+ color8: dark red
+ color9: dark green
+ comment: ''
+ ctrlpanel: 'True'
+ entags: 'True'
+ grid: 'False'
+ gui_hint: ''
+ label1: Signal 1
+ label10: Signal 10
+ label2: Signal 2
+ label3: Signal 3
+ label4: Signal 4
+ label5: Signal 5
+ label6: Signal 6
+ label7: Signal 7
+ label8: Signal 8
+ label9: Signal 9
+ legend: 'True'
+ marker1: '-1'
+ marker10: '-1'
+ marker2: '-1'
+ marker3: '-1'
+ marker4: '-1'
+ marker5: '-1'
+ marker6: '-1'
+ marker7: '-1'
+ marker8: '-1'
+ marker9: '-1'
+ name: '""'
+ nconnections: '1'
+ size: '1024'
+ srate: samp_rate
+ stemplot: 'False'
+ style1: '1'
+ style10: '1'
+ style2: '1'
+ style3: '1'
+ style4: '1'
+ style5: '1'
+ style6: '1'
+ style7: '1'
+ style8: '1'
+ style9: '1'
+ tr_chan: '0'
+ tr_delay: '0'
+ tr_level: '0.0'
+ tr_mode: qtgui.TRIG_MODE_FREE
+ tr_slope: qtgui.TRIG_SLOPE_POS
+ tr_tag: '""'
+ type: complex
+ update_time: '0.10'
+ width1: '1'
+ width10: '1'
+ width2: '1'
+ width3: '1'
+ width4: '1'
+ width5: '1'
+ width6: '1'
+ width7: '1'
+ width8: '1'
+ width9: '1'
+ ylabel: Amplitude
+ ymax: '2'
+ ymin: '-2'
+ yunit: '""'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [1488, 68.0]
+ rotation: 0
+ state: true
+- name: qtgui_time_sink_x_1
+ id: qtgui_time_sink_x
+ parameters:
+ affinity: ''
+ alias: ''
+ alpha1: '1.0'
+ alpha10: '1.0'
+ alpha2: '1.0'
+ alpha3: '1.0'
+ alpha4: '1.0'
+ alpha5: '1.0'
+ alpha6: '1.0'
+ alpha7: '1.0'
+ alpha8: '1.0'
+ alpha9: '1.0'
+ autoscale: 'False'
+ axislabels: 'True'
+ color1: blue
+ color10: dark blue
+ color2: red
+ color3: green
+ color4: black
+ color5: cyan
+ color6: magenta
+ color7: yellow
+ color8: dark red
+ color9: dark green
+ comment: ''
+ ctrlpanel: 'True'
+ entags: 'True'
+ grid: 'False'
+ gui_hint: ''
+ label1: Signal 1
+ label10: Signal 10
+ label2: Signal 2
+ label3: Signal 3
+ label4: Signal 4
+ label5: Signal 5
+ label6: Signal 6
+ label7: Signal 7
+ label8: Signal 8
+ label9: Signal 9
+ legend: 'True'
+ marker1: '-1'
+ marker10: '-1'
+ marker2: '-1'
+ marker3: '-1'
+ marker4: '-1'
+ marker5: '-1'
+ marker6: '-1'
+ marker7: '-1'
+ marker8: '-1'
+ marker9: '-1'
+ name: '""'
+ nconnections: '1'
+ size: '1024'
+ srate: samp_rate
+ stemplot: 'False'
+ style1: '1'
+ style10: '1'
+ style2: '1'
+ style3: '1'
+ style4: '1'
+ style5: '1'
+ style6: '1'
+ style7: '1'
+ style8: '1'
+ style9: '1'
+ tr_chan: '0'
+ tr_delay: '0'
+ tr_level: '0.0'
+ tr_mode: qtgui.TRIG_MODE_FREE
+ tr_slope: qtgui.TRIG_SLOPE_POS
+ tr_tag: '""'
+ type: complex
+ update_time: '0.10'
+ width1: '1'
+ width10: '1'
+ width2: '1'
+ width3: '1'
+ width4: '1'
+ width5: '1'
+ width6: '1'
+ width7: '1'
+ width8: '1'
+ width9: '1'
+ ylabel: Amplitude
+ ymax: '2'
+ ymin: '-2'
+ yunit: '""'
+ states:
+ bus_sink: false
+ bus_source: false
+ bus_structure: null
+ coordinate: [696, 108.0]
+ 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_cma_equalizer_cc_0, '0', digital_constellation_decoder_cb_0, '0']
+- [digital_cma_equalizer_cc_0, '0', fir_filter_xxx_1, '0']
+- [digital_constellation_decoder_cb_0, '0', blocks_null_sink_0, '0']
+- [digital_constellation_modulator_0, '0', digital_pfb_clock_sync_xxx_0, '0']
+- [digital_constellation_modulator_0, '0', qtgui_time_sink_x_1, '0']
+- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0']
+- [fir_filter_xxx_1, '0', qtgui_time_sink_x_0, '0']
+
+metadata:
+ file_format: 1
diff --git a/tests/correlator/correlator.py b/tests/correlator/correlator.py
new file mode 100755
index 0000000..b0cef0e
--- /dev/null
+++ b/tests/correlator/correlator.py
@@ -0,0 +1,310 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+#
+# SPDX-License-Identifier: GPL-3.0
+#
+# GNU Radio Python Flow Graph
+# Title: Correlator Test
+# Author: Naoki Pross
+# GNU Radio version: 3.8.2.0
+
+from distutils.version import StrictVersion
+
+if __name__ == '__main__':
+ import ctypes
+ import sys
+ if sys.platform.startswith('linux'):
+ try:
+ x11 = ctypes.cdll.LoadLibrary('libX11.so')
+ x11.XInitThreads()
+ except:
+ print("Warning: failed to XInitThreads()")
+
+from PyQt5 import Qt
+from gnuradio import qtgui
+from gnuradio.filter import firdes
+import sip
+from gnuradio import blocks
+from gnuradio import digital
+from gnuradio import filter
+from gnuradio import gr
+import sys
+import signal
+from argparse import ArgumentParser
+from gnuradio.eng_arg import eng_float, intx
+from gnuradio import eng_notation
+
+from gnuradio import qtgui
+
+class correlator(gr.top_block, Qt.QWidget):
+
+ def __init__(self):
+ gr.top_block.__init__(self, "Correlator Test")
+ Qt.QWidget.__init__(self)
+ self.setWindowTitle("Correlator Test")
+ qtgui.util.check_set_qss()
+ try:
+ self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
+ except:
+ pass
+ self.top_scroll_layout = Qt.QVBoxLayout()
+ self.setLayout(self.top_scroll_layout)
+ self.top_scroll = Qt.QScrollArea()
+ self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
+ self.top_scroll_layout.addWidget(self.top_scroll)
+ self.top_scroll.setWidgetResizable(True)
+ self.top_widget = Qt.QWidget()
+ self.top_scroll.setWidget(self.top_widget)
+ self.top_layout = Qt.QVBoxLayout(self.top_widget)
+ self.top_grid_layout = Qt.QGridLayout()
+ self.top_layout.addLayout(self.top_grid_layout)
+
+ self.settings = Qt.QSettings("GNU Radio", "correlator")
+
+ try:
+ if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
+ self.restoreGeometry(self.settings.value("geometry").toByteArray())
+ else:
+ self.restoreGeometry(self.settings.value("geometry"))
+ except:
+ pass
+
+ ##################################################
+ # Variables
+ ##################################################
+ self.sps = sps = 4
+ self.nfilts = nfilts = 32
+ self.excess_bw = excess_bw = .35
+ self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100
+ self.samp_rate = samp_rate = 32000
+ self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 45*nfilts)
+ self.const = const = digital.constellation_qpsk().base()
+
+ ##################################################
+ # Blocks
+ ##################################################
+ self.qtgui_time_sink_x_1 = qtgui.time_sink_c(
+ 1024, #size
+ samp_rate, #samp_rate
+ "", #name
+ 1 #number of inputs
+ )
+ self.qtgui_time_sink_x_1.set_update_time(0.10)
+ self.qtgui_time_sink_x_1.set_y_axis(-2, 2)
+
+ self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
+
+ self.qtgui_time_sink_x_1.enable_tags(True)
+ self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
+ self.qtgui_time_sink_x_1.enable_autoscale(False)
+ self.qtgui_time_sink_x_1.enable_grid(False)
+ self.qtgui_time_sink_x_1.enable_axis_labels(True)
+ self.qtgui_time_sink_x_1.enable_control_panel(True)
+ self.qtgui_time_sink_x_1.enable_stem_plot(False)
+
+
+ labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
+ 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
+ widths = [1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1]
+ colors = ['blue', 'red', 'green', 'black', 'cyan',
+ 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
+ alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
+ 1.0, 1.0, 1.0, 1.0, 1.0]
+ styles = [1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1]
+ markers = [-1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1]
+
+
+ for i in range(2):
+ if len(labels[i]) == 0:
+ if (i % 2 == 0):
+ self.qtgui_time_sink_x_1.set_line_label(i, "Re{{Data {0}}}".format(i/2))
+ else:
+ self.qtgui_time_sink_x_1.set_line_label(i, "Im{{Data {0}}}".format(i/2))
+ else:
+ self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
+ self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
+ self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
+ self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
+ self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
+ self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
+
+ self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
+ self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win)
+ self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
+ 1024, #size
+ samp_rate, #samp_rate
+ "", #name
+ 1 #number of inputs
+ )
+ self.qtgui_time_sink_x_0.set_update_time(0.10)
+ self.qtgui_time_sink_x_0.set_y_axis(-2, 2)
+
+ self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
+
+ self.qtgui_time_sink_x_0.enable_tags(True)
+ self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
+ self.qtgui_time_sink_x_0.enable_autoscale(False)
+ self.qtgui_time_sink_x_0.enable_grid(False)
+ self.qtgui_time_sink_x_0.enable_axis_labels(True)
+ self.qtgui_time_sink_x_0.enable_control_panel(True)
+ self.qtgui_time_sink_x_0.enable_stem_plot(False)
+
+
+ labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
+ 'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
+ widths = [1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1]
+ colors = ['blue', 'red', 'green', 'black', 'cyan',
+ 'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
+ alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
+ 1.0, 1.0, 1.0, 1.0, 1.0]
+ styles = [1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1]
+ markers = [-1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1]
+
+
+ for i in range(2):
+ if len(labels[i]) == 0:
+ if (i % 2 == 0):
+ self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
+ else:
+ self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
+ else:
+ self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
+ self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
+ self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
+ self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
+ self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
+ self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
+
+ self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
+ self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
+ self.fir_filter_xxx_1 = filter.fir_filter_ccc(1, [(1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (-1.4142197+1.4142197j), (-1.4142197+1.4142197j), (-1.4142197+1.4142197j), (-1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j), (1.4142197+1.4142197j)])
+ self.fir_filter_xxx_1.declare_sample_delay(0)
+ self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, rrc_taps, nfilts, 16, 1.5, 1)
+ 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.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(const)
+ self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, .002, 1)
+ self.blocks_vector_source_x_0 = blocks.vector_source_b([0x00] * 10 + [0xaa, 0xff, 0xff] + [0x00] * 10, False, 1, [])
+ self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
+ self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char*1)
+
+
+
+ ##################################################
+ # 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_cma_equalizer_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
+ self.connect((self.digital_cma_equalizer_cc_0, 0), (self.fir_filter_xxx_1, 0))
+ self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_null_sink_0, 0))
+ self.connect((self.digital_constellation_modulator_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
+ self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_time_sink_x_1, 0))
+ self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
+ self.connect((self.fir_filter_xxx_1, 0), (self.qtgui_time_sink_x_0, 0))
+
+
+ def closeEvent(self, event):
+ self.settings = Qt.QSettings("GNU Radio", "correlator")
+ self.settings.setValue("geometry", self.saveGeometry())
+ event.accept()
+
+ def get_sps(self):
+ return self.sps
+
+ def set_sps(self, sps):
+ self.sps = sps
+ self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
+
+ def get_nfilts(self):
+ return self.nfilts
+
+ def set_nfilts(self, nfilts):
+ self.nfilts = nfilts
+ self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
+
+ def get_excess_bw(self):
+ return self.excess_bw
+
+ def set_excess_bw(self, excess_bw):
+ self.excess_bw = excess_bw
+ self.set_rrc_taps(firdes.root_raised_cosine(self.nfilts, self.nfilts, 1.0/float(self.sps), self.excess_bw, 45*self.nfilts))
+
+ def get_timing_loop_bw(self):
+ return self.timing_loop_bw
+
+ def set_timing_loop_bw(self, timing_loop_bw):
+ self.timing_loop_bw = timing_loop_bw
+ self.digital_pfb_clock_sync_xxx_0.set_loop_bandwidth(self.timing_loop_bw)
+
+ 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)
+ self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate)
+ self.qtgui_time_sink_x_1.set_samp_rate(self.samp_rate)
+
+ def get_rrc_taps(self):
+ return self.rrc_taps
+
+ def set_rrc_taps(self, rrc_taps):
+ self.rrc_taps = rrc_taps
+ self.digital_pfb_clock_sync_xxx_0.update_taps(self.rrc_taps)
+
+ def get_const(self):
+ return self.const
+
+ def set_const(self, const):
+ self.const = const
+
+
+
+
+
+def main(top_block_cls=correlator, options=None):
+
+ if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
+ style = gr.prefs().get_string('qtgui', 'style', 'raster')
+ Qt.QApplication.setGraphicsSystem(style)
+ qapp = Qt.QApplication(sys.argv)
+
+ tb = top_block_cls()
+
+ tb.start()
+
+ tb.show()
+
+ def sig_handler(sig=None, frame=None):
+ Qt.QApplication.quit()
+
+ signal.signal(signal.SIGINT, sig_handler)
+ signal.signal(signal.SIGTERM, sig_handler)
+
+ timer = Qt.QTimer()
+ timer.start(500)
+ timer.timeout.connect(lambda: None)
+
+ def quitting():
+ tb.stop()
+ tb.wait()
+
+ qapp.aboutToQuit.connect(quitting)
+ qapp.exec_()
+
+if __name__ == '__main__':
+ main()