From be900003711c01ef03df99026c5afc79e8ab037b Mon Sep 17 00:00:00 2001 From: Nao Pross Date: Wed, 3 Nov 2021 16:51:53 +0100 Subject: Replace QPKS bit visualizations with eye diagrams --- hardware/QPSK/qpks.py | 199 ++++++++++++++++++++++++++++---------------------- 1 file changed, 112 insertions(+), 87 deletions(-) (limited to 'hardware/QPSK/qpks.py') diff --git a/hardware/QPSK/qpks.py b/hardware/QPSK/qpks.py index aa9b943..f89ac12 100755 --- a/hardware/QPSK/qpks.py +++ b/hardware/QPSK/qpks.py @@ -166,7 +166,7 @@ class qpks(gr.top_block, Qt.QWidget): ) self.uhd_usrp_sink_0.set_clock_source('external', 0) self.uhd_usrp_sink_0.set_center_freq(2.4e9, 0) - self.uhd_usrp_sink_0.set_normalized_gain(0.3, 0) + self.uhd_usrp_sink_0.set_normalized_gain(0.35, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec()) @@ -278,88 +278,6 @@ class qpks(gr.top_block, Qt.QWidget): self.plots_grid_layout_2.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_2.setColumnStretch(c, 1) - self.qtgui_time_raster_sink_x_0 = qtgui.time_raster_sink_b( - samp_rate, - 256, - 256, - [], - [], - "", - 1 - ) - - self.qtgui_time_raster_sink_x_0.set_update_time(0.10) - self.qtgui_time_raster_sink_x_0.set_intensity_range(-1, 1) - self.qtgui_time_raster_sink_x_0.enable_grid(False) - self.qtgui_time_raster_sink_x_0.enable_axis_labels(True) - - labels = ['', '', '', '', '', - '', '', '', '', ''] - colors = [0, 0, 0, 0, 0, - 0, 0, 0, 0, 0] - alphas = [1.0, 1.0, 1.0, 1.0, 1.0, - 1.0, 1.0, 1.0, 1.0, 1.0] - - for i in range(1): - if len(labels[i]) == 0: - self.qtgui_time_raster_sink_x_0.set_line_label(i, "Data {0}".format(i)) - else: - self.qtgui_time_raster_sink_x_0.set_line_label(i, labels[i]) - self.qtgui_time_raster_sink_x_0.set_color_map(i, colors[i]) - self.qtgui_time_raster_sink_x_0.set_line_alpha(i, alphas[i]) - - self._qtgui_time_raster_sink_x_0_win = sip.wrapinstance(self.qtgui_time_raster_sink_x_0.pyqwidget(), Qt.QWidget) - self.plots_grid_layout_3.addWidget(self._qtgui_time_raster_sink_x_0_win, 1, 0, 1, 1) - for r in range(1, 2): - self.plots_grid_layout_3.setRowStretch(r, 1) - for c in range(0, 1): - self.plots_grid_layout_3.setColumnStretch(c, 1) - self.qtgui_histogram_sink_x_0 = qtgui.histogram_sink_f( - 1024*4, - 20, - -1, - 1, - "Sent", - 1 - ) - - self.qtgui_histogram_sink_x_0.set_update_time(0.10) - self.qtgui_histogram_sink_x_0.enable_autoscale(True) - self.qtgui_histogram_sink_x_0.enable_accumulate(False) - self.qtgui_histogram_sink_x_0.enable_grid(False) - self.qtgui_histogram_sink_x_0.enable_axis_labels(True) - - - labels = ['', '', '', '', '', - '', '', '', '', ''] - 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"] - styles = [1, 1, 1, 1, 1, - 1, 1, 1, 1, 1] - markers= [-1, -1, -1, -1, -1, - -1, -1, -1, -1, -1] - alphas = [1.0, 1.0, 1.0, 1.0, 1.0, - 1.0, 1.0, 1.0, 1.0, 1.0] - - for i in range(1): - if len(labels[i]) == 0: - self.qtgui_histogram_sink_x_0.set_line_label(i, "Data {0}".format(i)) - else: - self.qtgui_histogram_sink_x_0.set_line_label(i, labels[i]) - self.qtgui_histogram_sink_x_0.set_line_width(i, widths[i]) - self.qtgui_histogram_sink_x_0.set_line_color(i, colors[i]) - self.qtgui_histogram_sink_x_0.set_line_style(i, styles[i]) - self.qtgui_histogram_sink_x_0.set_line_marker(i, markers[i]) - self.qtgui_histogram_sink_x_0.set_line_alpha(i, alphas[i]) - - self._qtgui_histogram_sink_x_0_win = sip.wrapinstance(self.qtgui_histogram_sink_x_0.pyqwidget(), Qt.QWidget) - self.plots_grid_layout_3.addWidget(self._qtgui_histogram_sink_x_0_win, 0, 0, 1, 1) - for r in range(0, 1): - self.plots_grid_layout_3.setRowStretch(r, 1) - for c in range(0, 1): - self.plots_grid_layout_3.setColumnStretch(c, 1) self.qtgui_freq_sink_x_1_0_1_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype @@ -580,6 +498,110 @@ class qpks(gr.top_block, Qt.QWidget): self.plots_grid_layout_1.setRowStretch(r, 1) for c in range(0, 1): self.plots_grid_layout_1.setColumnStretch(c, 1) + self.qtgui_eye_sink_x_1 = qtgui.eye_sink_c( + 1024, #size + samp_rate, #samp_rate + "", #name + 1 #number of inputs + ) + self.qtgui_eye_sink_x_1.set_update_time(0.10) + self.qtgui_eye_sink_x_1.set_samp_per_symbol(sps) + self.qtgui_eye_sink_x_1.set_y_axis(-1, 1) + + self.qtgui_eye_sink_x_1.set_y_label('Amplitude', "") + + self.qtgui_eye_sink_x_1.enable_tags(True) + self.qtgui_eye_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") + self.qtgui_eye_sink_x_1.enable_autoscale(False) + self.qtgui_eye_sink_x_1.enable_grid(False) + self.qtgui_eye_sink_x_1.enable_axis_labels(True) + self.qtgui_eye_sink_x_1.enable_control_panel(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', 'blue', 'blue', 'blue', 'blue', + 'blue', 'blue', 'blue', 'blue', '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_eye_sink_x_1.set_line_label(i, "Eye [Re{{Data {0}}}]".format(round(i/2))) + else: + self.qtgui_eye_sink_x_1.set_line_label(i, "Eye [Im{{Data {0}}}]".format(round((i-1)/2))) + else: + self.qtgui_eye_sink_x_1.set_line_label(i, labels[i]) + self.qtgui_eye_sink_x_1.set_line_width(i, widths[i]) + self.qtgui_eye_sink_x_1.set_line_color(i, colors[i]) + self.qtgui_eye_sink_x_1.set_line_style(i, styles[i]) + self.qtgui_eye_sink_x_1.set_line_marker(i, markers[i]) + self.qtgui_eye_sink_x_1.set_line_alpha(i, alphas[i]) + + self._qtgui_eye_sink_x_1_win = sip.wrapinstance(self.qtgui_eye_sink_x_1.pyqwidget(), Qt.QWidget) + self.plots_grid_layout_3.addWidget(self._qtgui_eye_sink_x_1_win, 1, 0, 1, 1) + for r in range(1, 2): + self.plots_grid_layout_3.setRowStretch(r, 1) + for c in range(0, 1): + self.plots_grid_layout_3.setColumnStretch(c, 1) + self.qtgui_eye_sink_x_0 = qtgui.eye_sink_c( + 1024, #size + samp_rate, #samp_rate + "", #name + 1 #number of inputs + ) + self.qtgui_eye_sink_x_0.set_update_time(0.10) + self.qtgui_eye_sink_x_0.set_samp_per_symbol(sps) + self.qtgui_eye_sink_x_0.set_y_axis(-1, 1) + + self.qtgui_eye_sink_x_0.set_y_label('Amplitude', "") + + self.qtgui_eye_sink_x_0.enable_tags(True) + self.qtgui_eye_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") + self.qtgui_eye_sink_x_0.enable_autoscale(False) + self.qtgui_eye_sink_x_0.enable_grid(False) + self.qtgui_eye_sink_x_0.enable_axis_labels(True) + self.qtgui_eye_sink_x_0.enable_control_panel(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', 'blue', 'blue', 'blue', 'blue', + 'blue', 'blue', 'blue', 'blue', '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_eye_sink_x_0.set_line_label(i, "Eye [Re{{Data {0}}}]".format(round(i/2))) + else: + self.qtgui_eye_sink_x_0.set_line_label(i, "Eye [Im{{Data {0}}}]".format(round((i-1)/2))) + else: + self.qtgui_eye_sink_x_0.set_line_label(i, labels[i]) + self.qtgui_eye_sink_x_0.set_line_width(i, widths[i]) + self.qtgui_eye_sink_x_0.set_line_color(i, colors[i]) + self.qtgui_eye_sink_x_0.set_line_style(i, styles[i]) + self.qtgui_eye_sink_x_0.set_line_marker(i, markers[i]) + self.qtgui_eye_sink_x_0.set_line_alpha(i, alphas[i]) + + self._qtgui_eye_sink_x_0_win = sip.wrapinstance(self.qtgui_eye_sink_x_0.pyqwidget(), Qt.QWidget) + self.top_grid_layout.addWidget(self._qtgui_eye_sink_x_0_win) self.qtgui_const_sink_x_2 = qtgui.const_sink_c( 1024, #size "Locked", #name @@ -814,7 +836,7 @@ class qpks(gr.top_block, Qt.QWidget): log=False) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const) self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(eq_ntaps, eq_mod, eq_gain, int(sps / 2)) - self.blocks_uchar_to_float_0 = blocks.uchar_to_float() + self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char*1) self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/god/Documents/Fading/hardware/QPSK/lena512color.tiff', True, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) @@ -823,9 +845,7 @@ class qpks(gr.top_block, Qt.QWidget): ################################################## # Connections ################################################## - self.connect((self.blocks_file_source_0, 0), (self.blocks_uchar_to_float_0, 0)) self.connect((self.blocks_file_source_0, 0), (self.digital_constellation_modulator_0, 0)) - self.connect((self.blocks_uchar_to_float_0, 0), (self.qtgui_histogram_sink_x_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1_0, 0)) self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_freq_sink_x_1_0_1, 0)) @@ -836,10 +856,11 @@ class qpks(gr.top_block, Qt.QWidget): self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_2, 0)) + self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_eye_sink_x_1, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_freq_sink_x_1_0_1_0, 0)) self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_time_sink_x_2_0_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.qtgui_time_raster_sink_x_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.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_freq_sink_x_1_0, 0)) @@ -859,6 +880,8 @@ class qpks(gr.top_block, Qt.QWidget): 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)) + self.qtgui_eye_sink_x_0.set_samp_per_symbol(self.sps) + self.qtgui_eye_sink_x_1.set_samp_per_symbol(self.sps) def get_nfilts(self): return self.nfilts @@ -886,6 +909,8 @@ class qpks(gr.top_block, Qt.QWidget): def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate + self.qtgui_eye_sink_x_0.set_samp_rate(self.samp_rate) + self.qtgui_eye_sink_x_1.set_samp_rate(self.samp_rate) self.qtgui_freq_sink_x_1.set_frequency_range(0, self.samp_rate) self.qtgui_freq_sink_x_1_0.set_frequency_range(0, self.samp_rate) self.qtgui_freq_sink_x_1_0_0.set_frequency_range(0, self.samp_rate) -- cgit v1.2.1