From be900003711c01ef03df99026c5afc79e8ab037b Mon Sep 17 00:00:00 2001
From: Nao Pross <np@0hm.ch>
Date: Wed, 3 Nov 2021 16:51:53 +0100
Subject: Replace QPKS bit visualizations with eye diagrams

---
 hardware/QPSK/qpks.py  | 199 ++++++++++++++++++++++++++--------------------
 hardware/QPSK/qpsk.grc | 209 +++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 314 insertions(+), 94 deletions(-)

(limited to 'hardware')

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)
diff --git a/hardware/QPSK/qpsk.grc b/hardware/QPSK/qpsk.grc
index 69c2915..fd17712 100644
--- a/hardware/QPSK/qpsk.grc
+++ b/hardware/QPSK/qpsk.grc
@@ -205,7 +205,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1776, 692.0]
+    coordinate: [1832, 692.0]
     rotation: 0
     state: disabled
 - name: blocks_file_source_0
@@ -246,7 +246,7 @@ blocks:
     bus_structure: null
     coordinate: [1832, 800.0]
     rotation: 0
-    state: disabled
+    state: enabled
 - name: blocks_uchar_to_float_0
   id: blocks_uchar_to_float
   parameters:
@@ -261,7 +261,7 @@ blocks:
     bus_structure: null
     coordinate: [792.0, 192]
     rotation: 90
-    state: true
+    state: disabled
 - name: blocks_vector_source_x_0
   id: blocks_vector_source_x
   parameters:
@@ -936,9 +936,203 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1372.0, 720]
+    coordinate: [1380.0, 720]
     rotation: 90
     state: true
+- name: qtgui_eye_sink_x_0
+  id: qtgui_eye_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: blue
+    color2: blue
+    color3: blue
+    color4: blue
+    color5: blue
+    color6: blue
+    color7: blue
+    color8: blue
+    color9: blue
+    comment: ''
+    ctrlpanel: 'False'
+    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'
+    samp_per_symbol: sps
+    size: '1024'
+    srate: samp_rate
+    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: '1'
+    ymin: '-1'
+    yunit: '""'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1360, 84.0]
+    rotation: 0
+    state: true
+- name: qtgui_eye_sink_x_1
+  id: qtgui_eye_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: blue
+    color2: blue
+    color3: blue
+    color4: blue
+    color5: blue
+    color6: blue
+    color7: blue
+    color8: blue
+    color9: blue
+    comment: ''
+    ctrlpanel: 'False'
+    entags: 'True'
+    grid: 'False'
+    gui_hint: 'plots@3: 1,0,1,1'
+    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'
+    samp_per_symbol: sps
+    size: '1024'
+    srate: samp_rate
+    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: '1'
+    ymin: '-1'
+    yunit: '""'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1840, 1028.0]
+    rotation: 0
+    state: true
 - name: qtgui_freq_sink_x_1
   id: qtgui_freq_sink_x
   parameters:
@@ -1425,7 +1619,7 @@ blocks:
     bus_structure: null
     coordinate: [912, 60.0]
     rotation: 0
-    state: true
+    state: disabled
 - name: qtgui_time_raster_sink_x_0
   id: qtgui_time_raster_sink_x
   parameters:
@@ -1482,7 +1676,7 @@ blocks:
     bus_structure: null
     coordinate: [1832, 852.0]
     rotation: 0
-    state: true
+    state: disabled
 - name: qtgui_time_sink_x_2
   id: qtgui_time_sink_x
   parameters:
@@ -1790,7 +1984,7 @@ blocks:
     comment: ''
     dev_addr: '"serial=309AF59  "'
     dev_args: '""'
-    gain0: '0.3'
+    gain0: '0.35'
     gain1: '0'
     gain10: '0'
     gain11: '0'
@@ -2343,6 +2537,7 @@ connections:
 - [digital_constellation_modulator_0, '0', uhd_usrp_sink_0, '0']
 - [digital_costas_loop_cc_0, '0', digital_constellation_decoder_cb_0, '0']
 - [digital_costas_loop_cc_0, '0', qtgui_const_sink_x_2, '0']
+- [digital_costas_loop_cc_0, '0', qtgui_eye_sink_x_1, '0']
 - [digital_costas_loop_cc_0, '0', qtgui_freq_sink_x_1_0_1_0, '0']
 - [digital_costas_loop_cc_0, '0', qtgui_time_sink_x_2_0_0, '0']
 - [digital_diff_decoder_bb_0, '0', digital_map_bb_0, '0']
-- 
cgit v1.2.1