diff options
Diffstat (limited to '')
| -rw-r--r-- | tests/fadingui/QAM/lena512color.tiff | bin | 0 -> 786572 bytes | |||
| -rw-r--r-- | tests/fadingui/QAM/qam_nogui.grc | 601 | ||||
| -rwxr-xr-x | tests/fadingui/QAM/qam_nogui.py | 363 |
3 files changed, 964 insertions, 0 deletions
diff --git a/tests/fadingui/QAM/lena512color.tiff b/tests/fadingui/QAM/lena512color.tiff Binary files differnew file mode 100644 index 0000000..ffe5c83 --- /dev/null +++ b/tests/fadingui/QAM/lena512color.tiff diff --git a/tests/fadingui/QAM/qam_nogui.grc b/tests/fadingui/QAM/qam_nogui.grc new file mode 100644 index 0000000..be412f0 --- /dev/null +++ b/tests/fadingui/QAM/qam_nogui.grc @@ -0,0 +1,601 @@ +options: + parameters: + author: Pross Naoki, Halter Sara Cinzia + category: '[GRC Hier Blocks]' + cmake_opt: '' + comment: '' + copyright: '' + description: '' + gen_cmake: 'On' + gen_linking: dynamic + generate_options: qt_gui + hier_block_src_path: '.:' + id: qam_nogui + max_nouts: '0' + output_language: python + placement: (0,0) + qt_qss_theme: '' + realtime_scheduling: '1' + run: 'True' + run_command: '{python} -u {filename}' + run_options: prompt + sizing_mode: fixed + thread_safe_setters: '' + title: QAM + window_size: '' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [8, 8] + rotation: 0 + state: enabled + +blocks: +- name: chn_taps + id: variable + parameters: + comment: '' + value: '[1.0 + 0.0j, ]' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [880, 256.0] + 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: 16qam + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [464, 608.0] + rotation: 0 + state: true +- name: eq_gain + id: variable_qtgui_range + parameters: + comment: '' + gui_hint: 'params@1: 0,0,1,1' + label: Equalizer Rate + min_len: '200' + orient: Qt.Horizontal + rangeType: float + start: '0' + step: '.001' + stop: '.1' + value: '.01' + widget: counter_slider + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1584, 460.0] + rotation: 0 + state: true +- name: eq_mod + id: variable + parameters: + comment: '' + value: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1584, 392.0] + rotation: 0 + state: true +- name: eq_ntaps + id: variable + parameters: + comment: '' + value: '15' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1664, 392.0] + rotation: 0 + state: true +- name: excess_bw + id: variable + parameters: + comment: '' + value: 350e-3 + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [560, 272.0] + rotation: 0 + state: true +- name: freq_offset + id: variable_qtgui_range + parameters: + comment: '' + gui_hint: 'params@0: 1,0,1,1' + label: Frequency Offset + min_len: '200' + orient: Qt.Horizontal + rangeType: float + start: -100e-3 + step: 1e-3 + stop: 100e-3 + value: '0' + widget: counter_slider + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [880, 460.0] + rotation: 0 + state: true +- name: nfilts + id: variable + parameters: + comment: '' + value: '32' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1248, 480.0] + rotation: 0 + state: true +- name: noise_volt + id: variable_qtgui_range + parameters: + comment: '' + gui_hint: 'params@0: 0,0,1,1' + label: Noise Voltage + min_len: '200' + orient: Qt.Horizontal + rangeType: float + start: '0' + step: '0.01' + stop: '1' + value: '0.0001' + widget: counter_slider + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [752, 460.0] + rotation: 0 + state: true +- name: phase_bw + id: variable_qtgui_range + parameters: + comment: '' + gui_hint: 'params@1: 1,0,1,1' + label: Phase Bandwidth + min_len: '200' + orient: Qt.Horizontal + rangeType: float + start: '0' + step: '.01' + stop: '1' + value: 2 * 3.141592653589793 / 100 + widget: counter_slider + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1888, 428.0] + rotation: 0 + state: true +- name: qam_const + id: variable_constellation_rect + parameters: + comment: '' + const_points: '[(-3-3j), (-1-3j), (1-3j), (3-3j), (-3-1j), (-1-1j), (1-1j), (3-1j), + (-3+1j), (-1+1j), (1+1j), (3+1j), (-3+3j), (-1+3j), (1+3j), (3+3j)]' + imag_sect: '1' + precision: '4' + real_sect: '1' + rot_sym: '4' + soft_dec_lut: None + sym_map: '[0, 4, 12, 8, 1, 5, 13, 9, 3, 7, 15, 11, 2, 6, 14, 10]' + w_imag_sect: '1' + w_real_sect: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [464, 444.0] + 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: [1328, 480.0] + rotation: 0 + state: true +- name: samp_rate + id: variable + parameters: + comment: '' + value: '32000' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [192, 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: [464, 272.0] + rotation: 0 + state: true +- name: time_offset + id: variable_qtgui_range + parameters: + comment: '' + gui_hint: 'params@0: 0,1,1,1' + label: Timing Offset + min_len: '200' + orient: Qt.Horizontal + rangeType: float + start: '0.999' + step: '0.0001' + stop: '1.001' + value: '1.0' + widget: counter_slider + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [752, 604.0] + rotation: 0 + state: true +- name: timing_loop_bw + id: variable_qtgui_range + parameters: + comment: '' + gui_hint: 'params@0: 1,1,1,1' + label: Time Bandwidth + min_len: '200' + orient: Qt.Horizontal + rangeType: float + start: '0' + step: 10e-3 + stop: 200e-3 + value: 2 * 3.141592653589793 / 100 + widget: counter_slider + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1248, 556.0] + 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: [2424, 416.0] + 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: complex + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [704, 360.0] + rotation: 0 + state: enabled +- name: blocks_vector_to_stream_0 + id: blocks_vector_to_stream + parameters: + affinity: '' + alias: '' + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + num_items: '512' + type: byte + vlen: '1' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [240, 360.0] + rotation: 0 + state: true +- name: channels_channel_model_0 + id: channels_channel_model + parameters: + affinity: '' + alias: '' + block_tags: 'False' + comment: '' + epsilon: time_offset + freq_offset: freq_offset + maxoutbuf: '0' + minoutbuf: '0' + noise_voltage: noise_volt + seed: '0' + taps: chn_taps + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [880, 316.0] + rotation: 0 + state: enabled +- name: digital_cma_equalizer_cc_0 + id: digital_cma_equalizer_cc + parameters: + affinity: '' + alias: '' + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + modulus: eq_mod + mu: eq_gain + num_taps: eq_ntaps + sps: sps + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1584, 288.0] + 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: [2224, 280.0] + rotation: 0 + state: true +- name: digital_constellation_modulator_0 + id: digital_constellation_modulator + parameters: + affinity: '' + alias: '' + comment: '' + constellation: const + differential: 'True' + 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, 336.0] + rotation: 0 + state: enabled +- name: digital_costas_loop_cc_0 + id: digital_costas_loop_cc + parameters: + affinity: '' + alias: '' + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + order: '4' + use_snr: 'False' + w: phase_bw + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1888, 288.0] + rotation: 0 + state: true +- name: digital_diff_decoder_bb_0 + id: digital_diff_decoder_bb + parameters: + affinity: '' + alias: '' + comment: '' + maxoutbuf: '0' + minoutbuf: '0' + modulus: '4' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [2224, 352.0] + rotation: 180 + state: true +- name: digital_map_bb_0 + id: digital_map_bb + parameters: + affinity: '' + alias: '' + comment: '' + map: '[0, 1, 3, 2]' + maxoutbuf: '0' + minoutbuf: '0' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [2224, 424.0] + 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: nfilts/2 + loop_bw: timing_loop_bw + max_dev: '1.5' + maxoutbuf: '0' + minoutbuf: '0' + osps: sps + sps: sps * 1.001 + taps: rrc_taps + type: ccf + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [1248, 308.0] + rotation: 0 + state: true +- name: fadingui_datasource_0 + id: fadingui_datasource + parameters: + affinity: '' + alias: '' + comment: '' + file_list: '["./lena512color.tiff"]' + maxoutbuf: '0' + minoutbuf: '0' + sock_addr: udp:// + vec_len: '512' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [40, 276.0] + rotation: 0 + state: true +- name: params + id: qtgui_tab_widget + parameters: + alias: '' + comment: '' + gui_hint: '' + label0: Channel + label1: Receiver + label10: Tab 10 + label11: Tab 11 + label12: Tab 12 + label13: Tab 13 + label14: Tab 14 + label15: Tab 15 + label16: Tab 16 + label17: Tab 17 + label18: Tab 18 + label19: Tab 19 + label2: Tab 2 + label3: Tab 3 + label4: Tab 4 + label5: Tab 5 + label6: Tab 6 + label7: Tab 7 + label8: Tab 8 + label9: Tab 9 + num_tabs: '2' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [296, 12.0] + rotation: 0 + state: true +- name: plots + id: qtgui_tab_widget + parameters: + alias: '' + comment: '' + gui_hint: '' + label0: Constellations + label1: Frequency + label10: Tab 10 + label11: Tab 11 + label12: Tab 12 + label13: Tab 13 + label14: Tab 14 + label15: Tab 15 + label16: Tab 16 + label17: Tab 17 + label18: Tab 18 + label19: Tab 19 + label2: Time + label3: Tab 3 + label4: Tab 4 + label5: Tab 5 + label6: Tab 6 + label7: Tab 7 + label8: Tab 8 + label9: Tab 9 + num_tabs: '3' + states: + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [448, 12.0] + rotation: 0 + state: true + +connections: +- [blocks_throttle_0, '0', channels_channel_model_0, '0'] +- [blocks_vector_to_stream_0, '0', digital_constellation_modulator_0, '0'] +- [channels_channel_model_0, '0', digital_pfb_clock_sync_xxx_0, '0'] +- [digital_cma_equalizer_cc_0, '0', digital_costas_loop_cc_0, '0'] +- [digital_constellation_decoder_cb_0, '0', digital_diff_decoder_bb_0, '0'] +- [digital_constellation_modulator_0, '0', blocks_throttle_0, '0'] +- [digital_costas_loop_cc_0, '0', digital_constellation_decoder_cb_0, '0'] +- [digital_diff_decoder_bb_0, '0', digital_map_bb_0, '0'] +- [digital_map_bb_0, '0', blocks_null_sink_0, '0'] +- [digital_pfb_clock_sync_xxx_0, '0', digital_cma_equalizer_cc_0, '0'] +- [fadingui_datasource_0, '0', blocks_vector_to_stream_0, '0'] + +metadata: + file_format: 1 diff --git a/tests/fadingui/QAM/qam_nogui.py b/tests/fadingui/QAM/qam_nogui.py new file mode 100755 index 0000000..a75ed18 --- /dev/null +++ b/tests/fadingui/QAM/qam_nogui.py @@ -0,0 +1,363 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- + +# +# SPDX-License-Identifier: GPL-3.0 +# +# GNU Radio Python Flow Graph +# Title: QAM +# Author: Pross Naoki, Halter Sara Cinzia +# 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 blocks +from gnuradio import channels +from gnuradio.filter import firdes +from gnuradio import digital +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.qtgui import Range, RangeWidget +import fadingui + +from gnuradio import qtgui + +class qam_nogui(gr.top_block, Qt.QWidget): + + def __init__(self): + gr.top_block.__init__(self, "QAM") + Qt.QWidget.__init__(self) + self.setWindowTitle("QAM") + 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", "qam_nogui") + + 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 = 350e-3 + self.timing_loop_bw = timing_loop_bw = 2 * 3.141592653589793 / 100 + self.time_offset = time_offset = 1.0 + 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.qam_const = qam_const = digital.constellation_rect([(-3-3j), (-1-3j), (1-3j), (3-3j), (-3-1j), (-1-1j), (1-1j), (3-1j), (-3+1j), (-1+1j), (1+1j), (3+1j), (-3+3j), (-1+3j), (1+3j), (3+3j)], [0, 4, 12, 8, 1, 5, 13, 9, 3, 7, 15, 11, 2, 6, 14, 10], + 4, 1, 1, 1, 1).base() + self.phase_bw = phase_bw = 2 * 3.141592653589793 / 100 + self.noise_volt = noise_volt = 0.0001 + self.freq_offset = freq_offset = 0 + self.eq_ntaps = eq_ntaps = 15 + self.eq_mod = eq_mod = 1 + self.eq_gain = eq_gain = .01 + self.const = const = digital.constellation_16qam().base() + self.chn_taps = chn_taps = [1.0 + 0.0j, ] + + ################################################## + # Blocks + ################################################## + self.params = Qt.QTabWidget() + self.params_widget_0 = Qt.QWidget() + self.params_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_0) + self.params_grid_layout_0 = Qt.QGridLayout() + self.params_layout_0.addLayout(self.params_grid_layout_0) + self.params.addTab(self.params_widget_0, 'Channel') + self.params_widget_1 = Qt.QWidget() + self.params_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.params_widget_1) + self.params_grid_layout_1 = Qt.QGridLayout() + self.params_layout_1.addLayout(self.params_grid_layout_1) + self.params.addTab(self.params_widget_1, 'Receiver') + self.top_grid_layout.addWidget(self.params) + self._timing_loop_bw_range = Range(0, 200e-3, 10e-3, 2 * 3.141592653589793 / 100, 200) + self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time Bandwidth', "counter_slider", float) + self.params_grid_layout_0.addWidget(self._timing_loop_bw_win, 1, 1, 1, 1) + for r in range(1, 2): + self.params_grid_layout_0.setRowStretch(r, 1) + for c in range(1, 2): + self.params_grid_layout_0.setColumnStretch(c, 1) + self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.0, 200) + self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float) + self.params_grid_layout_0.addWidget(self._time_offset_win, 0, 1, 1, 1) + for r in range(0, 1): + self.params_grid_layout_0.setRowStretch(r, 1) + for c in range(1, 2): + self.params_grid_layout_0.setColumnStretch(c, 1) + self._phase_bw_range = Range(0, 1, .01, 2 * 3.141592653589793 / 100, 200) + self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase Bandwidth', "counter_slider", float) + self.params_grid_layout_1.addWidget(self._phase_bw_win, 1, 0, 1, 1) + for r in range(1, 2): + self.params_grid_layout_1.setRowStretch(r, 1) + for c in range(0, 1): + self.params_grid_layout_1.setColumnStretch(c, 1) + self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200) + self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float) + self.params_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1) + for r in range(0, 1): + self.params_grid_layout_0.setRowStretch(r, 1) + for c in range(0, 1): + self.params_grid_layout_0.setColumnStretch(c, 1) + self._freq_offset_range = Range(-100e-3, 100e-3, 1e-3, 0, 200) + self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float) + self.params_grid_layout_0.addWidget(self._freq_offset_win, 1, 0, 1, 1) + for r in range(1, 2): + self.params_grid_layout_0.setRowStretch(r, 1) + for c in range(0, 1): + self.params_grid_layout_0.setColumnStretch(c, 1) + self._eq_gain_range = Range(0, .1, .001, .01, 200) + self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer Rate', "counter_slider", float) + self.params_grid_layout_1.addWidget(self._eq_gain_win, 0, 0, 1, 1) + for r in range(0, 1): + self.params_grid_layout_1.setRowStretch(r, 1) + for c in range(0, 1): + self.params_grid_layout_1.setColumnStretch(c, 1) + self.plots = Qt.QTabWidget() + self.plots_widget_0 = Qt.QWidget() + self.plots_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_0) + self.plots_grid_layout_0 = Qt.QGridLayout() + self.plots_layout_0.addLayout(self.plots_grid_layout_0) + self.plots.addTab(self.plots_widget_0, 'Constellations') + self.plots_widget_1 = Qt.QWidget() + self.plots_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_1) + self.plots_grid_layout_1 = Qt.QGridLayout() + self.plots_layout_1.addLayout(self.plots_grid_layout_1) + self.plots.addTab(self.plots_widget_1, 'Frequency') + self.plots_widget_2 = Qt.QWidget() + self.plots_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.plots_widget_2) + self.plots_grid_layout_2 = Qt.QGridLayout() + self.plots_layout_2.addLayout(self.plots_grid_layout_2) + self.plots.addTab(self.plots_widget_2, 'Time') + self.top_grid_layout.addWidget(self.plots) + self.fadingui_datasource_0 = fadingui.datasource(vec_len=512, sock_addr='udp://', file_list=["./lena512color.tiff"]) + self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps * 1.001, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, sps) + self.digital_map_bb_0 = digital.map_bb([0, 1, 3, 2]) + self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4) + self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, 4, False) + self.digital_constellation_modulator_0 = digital.generic_mod( + constellation=const, + differential=True, + 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(eq_ntaps, eq_mod, eq_gain, sps) + self.channels_channel_model_0 = channels.channel_model( + noise_voltage=noise_volt, + frequency_offset=freq_offset, + epsilon=time_offset, + taps=chn_taps, + noise_seed=0, + block_tags=False) + self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_char*1, 512) + self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*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.channels_channel_model_0, 0)) + self.connect((self.blocks_vector_to_stream_0, 0), (self.digital_constellation_modulator_0, 0)) + self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) + self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) + self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) + self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0)) + self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) + self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0)) + self.connect((self.digital_map_bb_0, 0), (self.blocks_null_sink_0, 0)) + self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0)) + self.connect((self.fadingui_datasource_0, 0), (self.blocks_vector_to_stream_0, 0)) + + + def closeEvent(self, event): + self.settings = Qt.QSettings("GNU Radio", "qam_nogui") + 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_time_offset(self): + return self.time_offset + + def set_time_offset(self, time_offset): + self.time_offset = time_offset + self.channels_channel_model_0.set_timing_offset(self.time_offset) + + 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_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_qam_const(self): + return self.qam_const + + def set_qam_const(self, qam_const): + self.qam_const = qam_const + + def get_phase_bw(self): + return self.phase_bw + + def set_phase_bw(self, phase_bw): + self.phase_bw = phase_bw + self.digital_costas_loop_cc_0.set_loop_bandwidth(self.phase_bw) + + def get_noise_volt(self): + return self.noise_volt + + def set_noise_volt(self, noise_volt): + self.noise_volt = noise_volt + self.channels_channel_model_0.set_noise_voltage(self.noise_volt) + + def get_freq_offset(self): + return self.freq_offset + + def set_freq_offset(self, freq_offset): + self.freq_offset = freq_offset + self.channels_channel_model_0.set_frequency_offset(self.freq_offset) + + def get_eq_ntaps(self): + return self.eq_ntaps + + def set_eq_ntaps(self, eq_ntaps): + self.eq_ntaps = eq_ntaps + + def get_eq_mod(self): + return self.eq_mod + + def set_eq_mod(self, eq_mod): + self.eq_mod = eq_mod + self.digital_cma_equalizer_cc_0.set_modulus(self.eq_mod) + + def get_eq_gain(self): + return self.eq_gain + + def set_eq_gain(self, eq_gain): + self.eq_gain = eq_gain + self.digital_cma_equalizer_cc_0.set_gain(self.eq_gain) + + def get_const(self): + return self.const + + def set_const(self, const): + self.const = const + + def get_chn_taps(self): + return self.chn_taps + + def set_chn_taps(self, chn_taps): + self.chn_taps = chn_taps + self.channels_channel_model_0.set_taps(self.chn_taps) + + + + + +def main(top_block_cls=qam_nogui, options=None): + if gr.enable_realtime_scheduling() != gr.RT_OK: + print("Error: failed to enable real-time scheduling.") + + 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() |