def DoCreateWidgets(self):
self._main_wid = QtGui.QWidget()
self._waterfall = ThreadedWaterfallPlotWidget(
self.wsa.capture_history,
scale_limits=(-140, -50),
max_frame_rate_fps=40,
parent=self._main_wid,
)
self._live_plot = pg.PlotWidget(self._main_wid)
self._live_plot.setLabel('bottom', text='Frequency', units='Hz')
self._live_plot.setYRange(-160, 20)
self._live_plot.setLabel('left', text='Power', units='dBm')
self._live_curve = self._live_plot.plot(pen='b')
self._vslice_plot = pg.PlotWidget(self._main_wid)
self._vslice_plot.setLabel('bottom', text='Time', units='s')
self._vslice_plot.setLabel('left', text='Power', units='dBm')
self._vslice_curve = self._vslice_plot.plot(pen='r')
self._hslice_plot = pg.PlotWidget(self._main_wid)
self._hslice_plot.setLabel('bottom', text='Frequency', units='Hz')
self._hslice_plot.setLabel('left', text='Power', units='dBm')
self._hslice_curve = self._hslice_plot.plot(pen='r')
self._start_but = QtGui.QPushButton("Pause capture")
def __init__(self, controller, layout):
super(Plot, self).__init__()
self.controller = controller
controller.state_change.connect(self.state_changed)
# initialize main fft window
self.window = pg.PlotWidget(name = 'pyrf_plot')
def widget_range_changed(widget, ranges):
if not hasattr(ranges, '__getitem__'):
return # we're not intereted in QRectF updates
self.user_xrange_change.emit(ranges[0][0], ranges[0][1])
self.window.sigRangeChanged.connect(widget_range_changed)
self.view_box = self.window.plotItem.getViewBox()
self.view_box.setMouseEnabled(x = True, y = False)
# initialize the y-axis of the plot
self.window.setYRange(PLOT_BOTTOM, PLOT_TOP)
labelStyle = fonts.AXIS_LABEL_FONT
self.window.setLabel('bottom', 'Frequency', 'Hz', **labelStyle)
self.window.setLabel('left', 'Power', 'dBm', **labelStyle)
# initialize trigger lines
self.amptrig_line = pg.InfiniteLine(pos = -100, angle = 0, movable = True)
self.freqtrig_lines = pg.LinearRegionItem()
self._trig_enable = False
self.grid(True)
# IQ constellation window
self.const_window = pg.PlotWidget(name='const_plot')
self.const_plot = pg.ScatterPlotItem(pen = 'y')
self.const_window.addItem(self.const_plot)
self.const_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.const_window.setXRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
# IQ time domain window
self.iq_window = pg.PlotWidget(name='const_plot')
self.iq_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.i_curve = self.iq_window.plot(pen = 'g')
self.q_curve = self.iq_window.plot(pen = 'r')
# add traces
self.traces = []
first_trace = labels.TRACES[0]
for trace_name, trace_color in zip(labels.TRACES, colors.TRACE_COLORS):
trace = Trace(
self,
trace_name,
trace_color,
blank=True,
write=False)
self.traces.append(trace)
self.traces[0].blank = False
self.traces[0].write = True
self.markers = []
for marker_name in labels.MARKERS:
self.markers.append(Marker(self, marker_name))
self.waterfall_data = WaterfallModel(max_len=600)
self.waterfall_window = ThreadedWaterfallPlotWidget(
self.waterfall_data,
scale_limits=(PLOT_YMIN, PLOT_YMAX),
max_frame_rate_fps=30,
mouse_move_crosshair=False,
)
self.connect_plot_controls()
class Plot(QtCore.QObject):
"""
Class to hold plot widget, as well as all the plot items (curves, marker_arrows,etc)
"""
user_xrange_change = QtCore.Signal(float, float)
def __init__(self, controller, layout):
super(Plot, self).__init__()
self.controller = controller
controller.state_change.connect(self.state_changed)
# initialize main fft window
self.window = pg.PlotWidget(name = 'pyrf_plot')
def widget_range_changed(widget, ranges):
if not hasattr(ranges, '__getitem__'):
return # we're not intereted in QRectF updates
self.user_xrange_change.emit(ranges[0][0], ranges[0][1])
self.window.sigRangeChanged.connect(widget_range_changed)
self.view_box = self.window.plotItem.getViewBox()
self.view_box.setMouseEnabled(x = True, y = False)
# initialize the y-axis of the plot
self.window.setYRange(PLOT_BOTTOM, PLOT_TOP)
labelStyle = fonts.AXIS_LABEL_FONT
self.window.setLabel('bottom', 'Frequency', 'Hz', **labelStyle)
self.window.setLabel('left', 'Power', 'dBm', **labelStyle)
# initialize trigger lines
self.amptrig_line = pg.InfiniteLine(pos = -100, angle = 0, movable = True)
self.freqtrig_lines = pg.LinearRegionItem()
self._trig_enable = False
self.grid(True)
# IQ constellation window
self.const_window = pg.PlotWidget(name='const_plot')
self.const_plot = pg.ScatterPlotItem(pen = 'y')
self.const_window.addItem(self.const_plot)
self.const_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.const_window.setXRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
# IQ time domain window
self.iq_window = pg.PlotWidget(name='const_plot')
self.iq_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.i_curve = self.iq_window.plot(pen = 'g')
self.q_curve = self.iq_window.plot(pen = 'r')
# add traces
self.traces = []
first_trace = labels.TRACES[0]
for trace_name, trace_color in zip(labels.TRACES, colors.TRACE_COLORS):
trace = Trace(
self,
trace_name,
trace_color,
blank=True,
write=False)
self.traces.append(trace)
self.traces[0].blank = False
self.traces[0].write = True
self.markers = []
for marker_name in labels.MARKERS:
self.markers.append(Marker(self, marker_name))
self.waterfall_data = WaterfallModel(max_len=600)
self.waterfall_window = ThreadedWaterfallPlotWidget(
self.waterfall_data,
scale_limits=(PLOT_YMIN, PLOT_YMAX),
max_frame_rate_fps=30,
mouse_move_crosshair=False,
)
self.connect_plot_controls()
def connect_plot_controls(self):
def new_trigger_freq():
self.controller.apply_device_settings(trigger = {'type': 'LEVEL',
'fstart': min(self.freqtrig_lines.getRegion()),
'fstop': max(self.freqtrig_lines.getRegion()),
'amplitude': self.gui_state.device_settings['trigger']['amplitude']})
def new_trigger_amp():
self.controller.apply_device_settings(trigger = {'type': 'LEVEL',
'fstart': self.gui_state.device_settings['trigger']['fstart'],
'fstop': self.gui_state.device_settings['trigger']['fstop'],
'amplitude': self.amptrig_line.value()})
# update trigger settings when ever a line is changed
self.freqtrig_lines.sigRegionChangeFinished.connect(new_trigger_freq)
self.amptrig_line.sigPositionChangeFinished.connect(new_trigger_amp)
def state_changed(self, state, changed):
self.gui_state = state
if 'device_settings.trigger' in changed:
if 'NONE' in state.device_settings['trigger']['type']:
self.remove_trigger()
elif 'LEVEL' in state.device_settings['trigger']['type']:
self.add_trigger(state.device_settings['trigger']['fstart'],
state.device_settings['trigger']['fstop'],
state.device_settings['trigger']['amplitude'])
if 'center' in changed:
for trace in self.traces:
trace.clear_data()
def add_trigger(self,fstart, fstop, amplitude):
self.amptrig_line.blockSignals(True)
self.freqtrig_lines.blockSignals(True)
if not self._trig_enable:
self.freqtrig_lines.setRegion([float(fstart),float(fstop)])
self.window.addItem(self.freqtrig_lines)
self.window.addItem(self.amptrig_line)
self._trig_enable = True
else:
self.amptrig_line.setValue(amplitude)
self.freqtrig_lines.setRegion([float(fstart),float(fstop)])
self.amptrig_line.blockSignals(False)
self.freqtrig_lines.blockSignals(False)
def remove_trigger(self):
self.window.removeItem(self.amptrig_line)
self.window.removeItem(self.freqtrig_lines)
self._trig_enable = False
def center_view(self, fstart, fstop, min_level=None, ref_level=None):
b = self.window.blockSignals(True)
self.window.setXRange(float(fstart), float(fstop), padding=0)
if min_level is not None:
self.window.setYRange(min_level, ref_level)
self.window.blockSignals(b)
def update_waterfall_levels(self, min_level, ref_level):
if self.waterfall_window is not None:
self.waterfall_window.set_lookup_levels(min_level, ref_level)
def grid(self,state):
self.window.showGrid(state,state)
self.window.getAxis('bottom').setPen(colors.GREY_NUM)
self.window.getAxis('bottom').setGrid(200)
self.window.getAxis('left').setPen(colors.GREY_NUM)
self.window.getAxis('left').setGrid(200)
def __init__(self, controller, layout):
super(Plot, self).__init__()
self.controller = controller
controller.device_change.connect(self.device_changed)
controller.state_change.connect(self.state_changed)
controller.plot_change.connect(self.plot_changed)
self.plot_state = {}
# initialize main fft window
self.spectral_window = SpectralWidget(controller)
self.window = self.spectral_window.window
self.window.setMenuEnabled(False)
def widget_range_changed(widget, ranges):
if hasattr(self, 'gui_state') and hasattr(self, 'plot_state'):
# HDR mode has a tuning resolution almost the same as its usable bandwidth, making the tuning mouse tuning annoying to use
if self.gui_state.mode == 'HDR' or not self.plot_state['mouse_tune']:
return
if not hasattr(ranges, '__getitem__'):
return # we're not intereted in QRectF updates
self.user_xrange_change.emit(ranges[0][0], ranges[0][1])
self.window.sigRangeChanged.connect(widget_range_changed)
self.view_box = self.window.plotItem.getViewBox()
# initialize the y-axis of the plot
self.window.setYRange(PLOT_BOTTOM, PLOT_TOP)
labelStyle = fonts.AXIS_LABEL_FONT
self.window.setLabel('left', 'Power', 'dBm', **labelStyle)
self.window.setLabel('top')
self.window.setLabel('bottom', 'Frequency', 'Hz', **labelStyle)
# horizontal cursor line
cursor_pen = pg.mkPen(color = colors.YELLOW_NUM, width = 2)
self.cursor_line = pg.InfiniteLine(pos = -100, angle = 0, movable = True, pen = cursor_pen)
self.channel_power_region = pg.LinearRegionItem()
self._trig_enable = False
self.grid(True)
# IQ constellation window
self.const_window = pg.PlotWidget(name='const_plot')
self.const_plot = pg.ScatterPlotItem(pen = 'y')
self.const_window.setMenuEnabled(False)
self.const_window.addItem(self.const_plot)
self.const_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.const_window.setXRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
# IQ time domain window
self.iq_window = pg.PlotWidget(name='const_plot')
self.iq_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.iq_window.setMenuEnabled(False)
self.update_iq_range = True
self.i_curve = self.iq_window.plot(pen = 'g')
self.q_curve = self.iq_window.plot(pen = 'r')
# add traces
self.traces = []
first_trace = labels.TRACES[0]
for trace_name, trace_color in zip(labels.TRACES, colors.TRACE_COLORS):
trace = Trace(
self,
trace_name,
trace_color,
blank=True,
write=False)
self.traces.append(trace)
self.traces[0].blank = False
self.traces[0].write = True
self.markers = []
for name in labels.MARKERS:
self.markers.append(Marker(self, name, colors.WHITE_NUM, self.controller))
self.waterfall_data = WaterfallModel(max_len=600)
self.waterfall_window = ThreadedWaterfallPlotWidget(
self.waterfall_data,
scale_limits=(PLOT_YMIN, PLOT_YMAX),
max_frame_rate_fps=30,
mouse_move_crosshair=False,
)
self.persistence_window = PersistencePlotWidget(
decay_fn=decay_fn_EXPONENTIAL,
data_model=self.waterfall_data)
self.persistence_window.getAxis('bottom').setScale(1e-9)
self.persistence_window.showGrid(True, True)
self.trigger_control = triggerControl()
self.connect_plot_controls()
self.update_waterfall_levels(PLOT_BOTTOM, PLOT_TOP)
class Plot(QtCore.QObject):
"""
Class to hold plot widget, as well as all the plot items (curves, marker_arrows,etc)
"""
user_xrange_change = QtCore.Signal(float, float)
def __init__(self, controller, layout):
super(Plot, self).__init__()
self.controller = controller
controller.device_change.connect(self.device_changed)
controller.state_change.connect(self.state_changed)
controller.plot_change.connect(self.plot_changed)
self.plot_state = {}
# initialize main fft window
self.spectral_window = SpectralWidget(controller)
self.window = self.spectral_window.window
self.window.setMenuEnabled(False)
def widget_range_changed(widget, ranges):
if hasattr(self, 'gui_state') and hasattr(self, 'plot_state'):
# HDR mode has a tuning resolution almost the same as its usable bandwidth, making the tuning mouse tuning annoying to use
if self.gui_state.mode == 'HDR' or not self.plot_state['mouse_tune']:
return
if not hasattr(ranges, '__getitem__'):
return # we're not intereted in QRectF updates
self.user_xrange_change.emit(ranges[0][0], ranges[0][1])
self.window.sigRangeChanged.connect(widget_range_changed)
self.view_box = self.window.plotItem.getViewBox()
# initialize the y-axis of the plot
self.window.setYRange(PLOT_BOTTOM, PLOT_TOP)
labelStyle = fonts.AXIS_LABEL_FONT
self.window.setLabel('left', 'Power', 'dBm', **labelStyle)
self.window.setLabel('top')
self.window.setLabel('bottom', 'Frequency', 'Hz', **labelStyle)
# horizontal cursor line
cursor_pen = pg.mkPen(color = colors.YELLOW_NUM, width = 2)
self.cursor_line = pg.InfiniteLine(pos = -100, angle = 0, movable = True, pen = cursor_pen)
self.channel_power_region = pg.LinearRegionItem()
self._trig_enable = False
self.grid(True)
# IQ constellation window
self.const_window = pg.PlotWidget(name='const_plot')
self.const_plot = pg.ScatterPlotItem(pen = 'y')
self.const_window.setMenuEnabled(False)
self.const_window.addItem(self.const_plot)
self.const_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.const_window.setXRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
# IQ time domain window
self.iq_window = pg.PlotWidget(name='const_plot')
self.iq_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.iq_window.setMenuEnabled(False)
self.update_iq_range = True
self.i_curve = self.iq_window.plot(pen = 'g')
self.q_curve = self.iq_window.plot(pen = 'r')
# add traces
self.traces = []
first_trace = labels.TRACES[0]
for trace_name, trace_color in zip(labels.TRACES, colors.TRACE_COLORS):
trace = Trace(
self,
trace_name,
trace_color,
blank=True,
write=False)
self.traces.append(trace)
self.traces[0].blank = False
self.traces[0].write = True
self.markers = []
for name in labels.MARKERS:
self.markers.append(Marker(self, name, colors.WHITE_NUM, self.controller))
self.waterfall_data = WaterfallModel(max_len=600)
self.waterfall_window = ThreadedWaterfallPlotWidget(
self.waterfall_data,
scale_limits=(PLOT_YMIN, PLOT_YMAX),
max_frame_rate_fps=30,
mouse_move_crosshair=False,
)
self.persistence_window = PersistencePlotWidget(
decay_fn=decay_fn_EXPONENTIAL,
data_model=self.waterfall_data)
self.persistence_window.getAxis('bottom').setScale(1e-9)
self.persistence_window.showGrid(True, True)
self.trigger_control = triggerControl()
self.connect_plot_controls()
self.update_waterfall_levels(PLOT_BOTTOM, PLOT_TOP)
def connect_plot_controls(self):
def new_channel_power():
self.controller.apply_plot_options(channel_power_region = self.channel_power_region.getRegion())
def new_cursor_value():
self.controller.apply_plot_options(horizontal_cursor_value = self.cursor_line.value())
def new_trigger():
self.controller.apply_device_settings(trigger = {'type': 'LEVEL',
'fstart':self.trigger_control.fstart,
'fstop': self.trigger_control.fstop,
'amplitude': self.trigger_control.amplitude})
def new_y_axis():
self.controller.apply_plot_options(y_axis = self.view_box.viewRange()[1])
# update trigger settings when ever a line is changed
self.channel_power_region.sigRegionChanged.connect(new_channel_power)
self.cursor_line.sigPositionChangeFinished.connect(new_cursor_value)
self.trigger_control.sigNewTriggerRange.connect(new_trigger)
self.window.sigYRangeChanged.connect(new_y_axis)
def device_changed(self, dut):
self.dut_prop = dut.properties
def state_changed(self, state, changed):
self.gui_state = state
if 'device_settings.trigger' in changed:
fstart = state.device_settings['trigger']['fstart']
fstop = state.device_settings['trigger']['fstop']
amplitude = state.device_settings['trigger']['amplitude']
type = state.device_settings['trigger']['type']
if type == 'NONE':
self.remove_trigger()
self.trigger_control.resize_trigger(fstart, fstop, amplitude)
elif type == 'LEVEL':
self.add_trigger(fstart,
fstop,
amplitude)
for m in self.markers:
if m.enabled:
m.remove_marker(self)
m.add_marker(self)
if 'center' in changed or 'span' in changed:
fstart = state.center - (state.span / 2)
fstop = state.center + (state.span / 2)
for trace in self.traces:
trace.clear_data()
if fstart > self.trigger_control.fstart or fstop < self.trigger_control.fstop:
self.controller.apply_device_settings(trigger = {'type': 'NONE',
'fstart':self.trigger_control.fstart,
'fstop': self.trigger_control.fstop,
'amplitude': self.trigger_control.amplitude})
self.remove_trigger()
self.persistence_window.reset_plot()
if fstart > float(min(self.channel_power_region.getRegion())) or fstop < float(max(self.channel_power_region.getRegion())):
self.move_channel_power(fstart + state.span / 4, fstop - state.span / 4)
if set(changed).intersection(PERSISTENCE_RESETTING_CHANGES):
self.persistence_window.reset_plot()
if 'mode' in changed:
if state.mode not in self.dut_prop.LEVEL_TRIGGER_RFE_MODES:
self.remove_trigger()
def plot_changed(self, state, changed):
self.plot_state = state
if 'horizontal_cursor' in changed:
if state['horizontal_cursor']:
self.window.addItem(self.cursor_line)
else:
self.window.removeItem(self.cursor_line)
if 'channel_power' in changed:
if state['channel_power']:
self.enable_channel_power()
else:
self.disable_channel_power()
if 'horizontal_cursor_value' in changed:
self.cursor_line.setValue(state['horizontal_cursor_value'])
if 'channel_power_region' in changed:
for t in self.traces:
t.channel_power_range = state['channel_power_region']
t.compute_channel_power()
if 'y_axis' in changed:
self.window.setYRange(state['y_axis'][0] , state['y_axis'][1], padding = 0)
self.persistence_window.setYRange(state['y_axis'][0] , state['y_axis'][1], padding = 0)
def enable_channel_power(self):
for t in self.traces:
t.calc_channel_power = True
fstart = self.gui_state.center - (self.gui_state.span / 4)
fstop = self.gui_state.center + (self.gui_state.span / 4)
self.move_channel_power(fstart, fstop)
self.window.addItem(self.channel_power_region)
def move_channel_power(self, fstart, fstop):
self.channel_power_region.setRegion([(fstart),float(fstop)])
def disable_channel_power(self):
for t in self.traces:
t.calc_channel_power = False
self.window.removeItem(self.channel_power_region)
def add_trigger(self,fstart, fstop, amplitude):
if not self._trig_enable:
self.window.addItem(self.trigger_control)
self.window.addItem(self.trigger_control.fstart_line)
self.window.addItem(self.trigger_control.fstop_line)
self.window.addItem(self.trigger_control.amplitude_line)
self._trig_enable = True
self.trigger_control.resize_trigger(fstart,
fstop,
amplitude)
def remove_trigger(self):
self.window.removeItem(self.trigger_control)
self.window.removeItem(self.trigger_control.fstart_line)
self.window.removeItem(self.trigger_control.fstop_line)
self.window.removeItem(self.trigger_control.amplitude_line)
self._trig_enable = False
def center_view(self, fstart, fstop):
b = self.window.blockSignals(True)
self.window.setXRange(float(fstart), float(fstop), padding=0)
self.window.blockSignals(b)
self.persistence_window.setXRange(
float(fstart),
float(fstop),
padding=0)
def update_waterfall_levels(self, min_level, ref_level):
if self.waterfall_window is not None:
self.waterfall_window.set_lookup_levels(min_level, ref_level)
self.persistence_window.reset_plot()
self.persistence_window.setYRange(min_level, ref_level)
def grid(self,state):
self.window.showGrid(state,state)
self.window.getAxis('bottom').setPen(colors.GREY_NUM)
self.window.getAxis('bottom').setGrid(200)
self.window.getAxis('left').setPen(colors.GREY_NUM)
self.window.getAxis('left').setGrid(200)
self.window.getAxis('top').setTicks([[(-200, '-200'), (-200, '-200'),
(-250, '-200'), (-250, '-200')]])
def update_markers(self):
for m in self.markers:
if m.enabled:
trace = self.traces[m.trace_index]
m.update_pos(trace.freq_range, trace.data)
def get_trigger_region(self):
print self.trigger_control.pos()
print self.trigger_control.size()
def update_iq_plots(self, data):
trace = self.traces[0]
if not (trace.write or trace.max_hold or trace.min_hold or trace.store):
return
if data.stream_id == VRT_IFDATA_I14Q14:
i_data = np.array(data.data.numpy_array()[:,0], dtype=float)/ZIF_BITS
q_data = np.array(data.data.numpy_array()[:,1], dtype=float)/ZIF_BITS
self.i_curve.setData(i_data)
self.q_curve.setData(q_data)
self.const_plot.clear()
self.const_plot.addPoints(
x = i_data[0:CONST_POINTS],
y = q_data[0:CONST_POINTS],
symbol = 'o',
size = 1, pen = 'y',
brush = 'y')
else:
i_data = np.array(data.data.numpy_array(), dtype=float)
if data.stream_id == VRT_IFDATA_I14:
i_data = i_data /ZIF_BITS
elif data.stream_id == VRT_IFDATA_I24:
i_data = i_data / (np.mean(i_data)) - 1
self.i_curve.setData(i_data)
self.q_curve.clear()
if self.update_iq_range:
self.iq_window.setXRange(0, len(i_data))
self.update_iq_range = False
def center_iq_plots(self):
self.iq_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
def __init__(self, controller, layout):
super(Plot, self).__init__()
self.controller = controller
controller.device_change.connect(self.device_changed)
controller.state_change.connect(self.state_changed)
controller.plot_change.connect(self.plot_changed)
self.plot_state = {}
# initialize main fft window
self.spectral_window = SpectralWidget(controller)
self.window = self.spectral_window.window
self.window.setMenuEnabled(False)
def widget_range_changed(widget, ranges):
if hasattr(self, 'gui_state') and hasattr(self, 'plot_state'):
# HDR mode has a tuning resolution almost the same as its usable bandwidth, making the tuning mouse tuning annoying to use
if self.gui_state.mode == 'HDR' or not self.plot_state[
'mouse_tune']:
return
if not hasattr(ranges, '__getitem__'):
return # we're not intereted in QRectF updates
self.user_xrange_change.emit(ranges[0][0], ranges[0][1])
self.window.sigRangeChanged.connect(widget_range_changed)
self.view_box = self.window.plotItem.getViewBox()
# initialize the y-axis of the plot
self.window.setYRange(PLOT_BOTTOM, PLOT_TOP)
labelStyle = fonts.AXIS_LABEL_FONT
self.window.setLabel('left', 'Power', 'dBm', **labelStyle)
self.window.setLabel('top')
self.window.setLabel('bottom', 'Frequency', 'Hz', **labelStyle)
# horizontal cursor line
cursor_pen = pg.mkPen(color=colors.YELLOW_NUM, width=2)
self.cursor_line = pg.InfiniteLine(pos=-100,
angle=0,
movable=True,
pen=cursor_pen)
self.channel_power_region = pg.LinearRegionItem()
self._trig_enable = False
self.grid(True)
# IQ constellation window
self.const_window = pg.PlotWidget(name='const_plot')
self.const_plot = pg.ScatterPlotItem(pen='y')
self.const_window.setMenuEnabled(False)
self.const_window.addItem(self.const_plot)
self.const_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.const_window.setXRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
# IQ time domain window
self.iq_window = pg.PlotWidget(name='const_plot')
self.iq_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.iq_window.setMenuEnabled(False)
self.update_iq_range = True
self.i_curve = self.iq_window.plot(pen='g')
self.q_curve = self.iq_window.plot(pen='r')
# add traces
self.traces = []
first_trace = labels.TRACES[0]
for trace_name, trace_color in zip(labels.TRACES, colors.TRACE_COLORS):
trace = Trace(self,
trace_name,
trace_color,
blank=True,
write=False)
self.traces.append(trace)
self.traces[0].blank = False
self.traces[0].write = True
self.markers = []
for name in labels.MARKERS:
self.markers.append(
Marker(self, name, colors.WHITE_NUM, self.controller))
self.waterfall_data = WaterfallModel(max_len=600)
self.waterfall_window = ThreadedWaterfallPlotWidget(
self.waterfall_data,
scale_limits=(PLOT_YMIN, PLOT_YMAX),
max_frame_rate_fps=30,
mouse_move_crosshair=False,
)
self.persistence_window = PersistencePlotWidget(
decay_fn=decay_fn_EXPONENTIAL, data_model=self.waterfall_data)
self.persistence_window.getAxis('bottom').setScale(1e-9)
self.persistence_window.showGrid(True, True)
self.trigger_control = triggerControl()
self.connect_plot_controls()
self.update_waterfall_levels(PLOT_BOTTOM, PLOT_TOP)
class Plot(QtCore.QObject):
"""
Class to hold plot widget, as well as all the plot items (curves, marker_arrows,etc)
"""
user_xrange_change = QtCore.Signal(float, float)
def __init__(self, controller, layout):
super(Plot, self).__init__()
self.controller = controller
controller.device_change.connect(self.device_changed)
controller.state_change.connect(self.state_changed)
controller.plot_change.connect(self.plot_changed)
self.plot_state = {}
# initialize main fft window
self.spectral_window = SpectralWidget(controller)
self.window = self.spectral_window.window
self.window.setMenuEnabled(False)
def widget_range_changed(widget, ranges):
if hasattr(self, 'gui_state') and hasattr(self, 'plot_state'):
# HDR mode has a tuning resolution almost the same as its usable bandwidth, making the tuning mouse tuning annoying to use
if self.gui_state.mode == 'HDR' or not self.plot_state[
'mouse_tune']:
return
if not hasattr(ranges, '__getitem__'):
return # we're not intereted in QRectF updates
self.user_xrange_change.emit(ranges[0][0], ranges[0][1])
self.window.sigRangeChanged.connect(widget_range_changed)
self.view_box = self.window.plotItem.getViewBox()
# initialize the y-axis of the plot
self.window.setYRange(PLOT_BOTTOM, PLOT_TOP)
labelStyle = fonts.AXIS_LABEL_FONT
self.window.setLabel('left', 'Power', 'dBm', **labelStyle)
self.window.setLabel('top')
self.window.setLabel('bottom', 'Frequency', 'Hz', **labelStyle)
# horizontal cursor line
cursor_pen = pg.mkPen(color=colors.YELLOW_NUM, width=2)
self.cursor_line = pg.InfiniteLine(pos=-100,
angle=0,
movable=True,
pen=cursor_pen)
self.channel_power_region = pg.LinearRegionItem()
self._trig_enable = False
self.grid(True)
# IQ constellation window
self.const_window = pg.PlotWidget(name='const_plot')
self.const_plot = pg.ScatterPlotItem(pen='y')
self.const_window.setMenuEnabled(False)
self.const_window.addItem(self.const_plot)
self.const_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.const_window.setXRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
# IQ time domain window
self.iq_window = pg.PlotWidget(name='const_plot')
self.iq_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
self.iq_window.setMenuEnabled(False)
self.update_iq_range = True
self.i_curve = self.iq_window.plot(pen='g')
self.q_curve = self.iq_window.plot(pen='r')
# add traces
self.traces = []
first_trace = labels.TRACES[0]
for trace_name, trace_color in zip(labels.TRACES, colors.TRACE_COLORS):
trace = Trace(self,
trace_name,
trace_color,
blank=True,
write=False)
self.traces.append(trace)
self.traces[0].blank = False
self.traces[0].write = True
self.markers = []
for name in labels.MARKERS:
self.markers.append(
Marker(self, name, colors.WHITE_NUM, self.controller))
self.waterfall_data = WaterfallModel(max_len=600)
self.waterfall_window = ThreadedWaterfallPlotWidget(
self.waterfall_data,
scale_limits=(PLOT_YMIN, PLOT_YMAX),
max_frame_rate_fps=30,
mouse_move_crosshair=False,
)
self.persistence_window = PersistencePlotWidget(
decay_fn=decay_fn_EXPONENTIAL, data_model=self.waterfall_data)
self.persistence_window.getAxis('bottom').setScale(1e-9)
self.persistence_window.showGrid(True, True)
self.trigger_control = triggerControl()
self.connect_plot_controls()
self.update_waterfall_levels(PLOT_BOTTOM, PLOT_TOP)
def connect_plot_controls(self):
def new_channel_power():
self.controller.apply_plot_options(
channel_power_region=self.channel_power_region.getRegion())
def new_cursor_value():
self.controller.apply_plot_options(
horizontal_cursor_value=self.cursor_line.value())
def new_trigger():
self.controller.apply_device_settings(
trigger={
'type': 'LEVEL',
'fstart': self.trigger_control.fstart,
'fstop': self.trigger_control.fstop,
'amplitude': self.trigger_control.amplitude
})
def new_y_axis():
self.controller.apply_plot_options(
y_axis=self.view_box.viewRange()[1])
# update trigger settings when ever a line is changed
self.channel_power_region.sigRegionChanged.connect(new_channel_power)
self.cursor_line.sigPositionChangeFinished.connect(new_cursor_value)
self.trigger_control.sigNewTriggerRange.connect(new_trigger)
self.window.sigYRangeChanged.connect(new_y_axis)
def device_changed(self, dut):
self.dut_prop = dut.properties
def state_changed(self, state, changed):
self.gui_state = state
if 'device_settings.trigger' in changed:
fstart = state.device_settings['trigger']['fstart']
fstop = state.device_settings['trigger']['fstop']
amplitude = state.device_settings['trigger']['amplitude']
type = state.device_settings['trigger']['type']
if type == 'NONE':
self.remove_trigger()
self.trigger_control.resize_trigger(fstart, fstop, amplitude)
elif type == 'LEVEL':
self.add_trigger(fstart, fstop, amplitude)
for m in self.markers:
if m.enabled:
m.remove_marker(self)
m.add_marker(self)
if 'center' in changed or 'span' in changed:
fstart = state.center - (state.span / 2)
fstop = state.center + (state.span / 2)
for trace in self.traces:
trace.clear_data()
if fstart > self.trigger_control.fstart or fstop < self.trigger_control.fstop:
self.controller.apply_device_settings(
trigger={
'type': 'NONE',
'fstart': self.trigger_control.fstart,
'fstop': self.trigger_control.fstop,
'amplitude': self.trigger_control.amplitude
})
self.remove_trigger()
self.persistence_window.reset_plot()
if fstart > float(min(
self.channel_power_region.getRegion())) or fstop < float(
max(self.channel_power_region.getRegion())):
self.move_channel_power(fstart + state.span / 4,
fstop - state.span / 4)
if set(changed).intersection(PERSISTENCE_RESETTING_CHANGES):
self.persistence_window.reset_plot()
if 'mode' in changed:
if state.mode not in self.dut_prop.LEVEL_TRIGGER_RFE_MODES:
self.remove_trigger()
def plot_changed(self, state, changed):
self.plot_state = state
if 'horizontal_cursor' in changed:
if state['horizontal_cursor']:
self.window.addItem(self.cursor_line)
else:
self.window.removeItem(self.cursor_line)
if 'channel_power' in changed:
if state['channel_power']:
self.enable_channel_power()
else:
self.disable_channel_power()
if 'horizontal_cursor_value' in changed:
self.cursor_line.setValue(state['horizontal_cursor_value'])
if 'channel_power_region' in changed:
for t in self.traces:
t.channel_power_range = state['channel_power_region']
t.compute_channel_power()
if 'y_axis' in changed:
self.window.setYRange(state['y_axis'][0],
state['y_axis'][1],
padding=0)
self.persistence_window.setYRange(state['y_axis'][0],
state['y_axis'][1],
padding=0)
def enable_channel_power(self):
for t in self.traces:
t.calc_channel_power = True
fstart = self.gui_state.center - (self.gui_state.span / 4)
fstop = self.gui_state.center + (self.gui_state.span / 4)
self.move_channel_power(fstart, fstop)
self.window.addItem(self.channel_power_region)
def move_channel_power(self, fstart, fstop):
self.channel_power_region.setRegion([(fstart), float(fstop)])
def disable_channel_power(self):
for t in self.traces:
t.calc_channel_power = False
self.window.removeItem(self.channel_power_region)
def add_trigger(self, fstart, fstop, amplitude):
if not self._trig_enable:
self.window.addItem(self.trigger_control)
self.window.addItem(self.trigger_control.fstart_line)
self.window.addItem(self.trigger_control.fstop_line)
self.window.addItem(self.trigger_control.amplitude_line)
self._trig_enable = True
self.trigger_control.resize_trigger(fstart, fstop, amplitude)
def remove_trigger(self):
self.window.removeItem(self.trigger_control)
self.window.removeItem(self.trigger_control.fstart_line)
self.window.removeItem(self.trigger_control.fstop_line)
self.window.removeItem(self.trigger_control.amplitude_line)
self._trig_enable = False
def center_view(self, fstart, fstop):
b = self.window.blockSignals(True)
self.window.setXRange(float(fstart), float(fstop), padding=0)
self.window.blockSignals(b)
self.persistence_window.setXRange(float(fstart),
float(fstop),
padding=0)
def update_waterfall_levels(self, min_level, ref_level):
if self.waterfall_window is not None:
self.waterfall_window.set_lookup_levels(min_level, ref_level)
self.persistence_window.reset_plot()
self.persistence_window.setYRange(min_level, ref_level)
def grid(self, state):
self.window.showGrid(state, state)
self.window.getAxis('bottom').setPen(colors.GREY_NUM)
self.window.getAxis('bottom').setGrid(200)
self.window.getAxis('left').setPen(colors.GREY_NUM)
self.window.getAxis('left').setGrid(200)
self.window.getAxis('top').setTicks([[(-200, '-200'), (-200, '-200'),
(-250, '-200'), (-250, '-200')]])
def update_markers(self):
for m in self.markers:
if m.enabled:
trace = self.traces[m.trace_index]
m.update_pos(trace.freq_range, trace.data)
def get_trigger_region(self):
print self.trigger_control.pos()
print self.trigger_control.size()
def update_iq_plots(self, data):
trace = self.traces[0]
if not (trace.write or trace.max_hold or trace.min_hold
or trace.store):
return
if data.stream_id == VRT_IFDATA_I14Q14:
i_data = np.array(data.data.numpy_array()[:, 0],
dtype=float) / ZIF_BITS
q_data = np.array(data.data.numpy_array()[:, 1],
dtype=float) / ZIF_BITS
self.i_curve.setData(i_data)
self.q_curve.setData(q_data)
self.const_plot.clear()
self.const_plot.addPoints(x=i_data[0:CONST_POINTS],
y=q_data[0:CONST_POINTS],
symbol='o',
size=1,
pen='y',
brush='y')
else:
i_data = np.array(data.data.numpy_array(), dtype=float)
if data.stream_id == VRT_IFDATA_I14:
i_data = i_data / ZIF_BITS
elif data.stream_id == VRT_IFDATA_I24:
i_data = i_data / (np.mean(i_data)) - 1
self.i_curve.setData(i_data)
self.q_curve.clear()
if self.update_iq_range:
self.iq_window.setXRange(0, len(i_data))
self.update_iq_range = False
def center_iq_plots(self):
self.iq_window.setYRange(IQ_PLOT_YMIN, IQ_PLOT_YMAX)
