class Scope_Widget(QtGui.QWidget): def __init__(self, parent = None, logger = None): QtGui.QWidget.__init__(self, parent) self.audiobuffer = None # store the logger instance if logger is None: self.logger = parent.parent.logger else: self.logger = logger self.setObjectName("Scope_Widget") self.gridLayout = QtGui.QGridLayout(self) self.gridLayout.setObjectName("gridLayout") self.PlotZoneUp = TimePlot(self, self.logger) self.PlotZoneUp.setObjectName("PlotZoneUp") self.gridLayout.addWidget(self.PlotZoneUp, 0, 0, 1, 1) self.setStyleSheet(STYLESHEET) self.settings_dialog = Scope_Settings_Dialog(self, self.logger) # method def set_buffer(self, buffer): self.audiobuffer = buffer # method def update(self): if not self.isVisible(): return time = 2*SMOOTH_DISPLAY_TIMER_PERIOD_MS/1000. width = time*SAMPLING_RATE #basic trigger capability on leading edge floatdata = self.audiobuffer.data(2*width) #number of data points received at the last audio buffer update #newpoints = self.audiobuffer.newpoints #print newpoints # because of the buffering, sometimes we have not got any data #if newpoints==0: # return #floatdata = self.audiobuffer.data(newpoints + width) twoChannels = False if floatdata.shape[0] > 1: twoChannels = True # trigger on the first channel only triggerdata = floatdata[0,:] # trigger on half of the waveform trig_search_start = width/2 trig_search_stop = -width/2 triggerdata = triggerdata[trig_search_start : trig_search_stop] max = floatdata.max() trigger_level = max*2./3. #trigger_level = 0.6 trigger_pos = where((triggerdata[:-1] < trigger_level)*(triggerdata[1:] >= trigger_level))[0] if len(trigger_pos)==0: return if len(trigger_pos) > 0: shift = trigger_pos[0] else: #return shift = 0 shift += trig_search_start datarange = width floatdata = floatdata[:, shift - datarange/2: shift + datarange/2] y = floatdata[0,:] #- floatdata.mean() if twoChannels: y2 = floatdata[1,:] #- floatdata.mean() dBscope = False if dBscope: dBmin = -50. y = sign(y)*(20*log10(abs(y))).clip(dBmin, 0.)/(-dBmin) + sign(y)*1. if twoChannels: y2 = sign(y2)*(20*log10(abs(y2))).clip(dBmin, 0.)/(-dBmin) + sign(y2)*1. time = (arange(len(y)) - datarange/2)/float(SAMPLING_RATE) if twoChannels: self.PlotZoneUp.setdataTwoChannels(time, y, y2) else: self.PlotZoneUp.setdata(time, y) # slot def settings_called(self, checked): self.settings_dialog.show() # method def saveState(self, settings): self.settings_dialog.saveState(settings) # method def restoreState(self, settings): self.settings_dialog.restoreState(settings)
class Scope_Widget(QtWidgets.QWidget): name = "Oscilloscope" def __init__(self, parent, logger=PrintLogger()): super().__init__(parent) self.logger = logger self.setObjectName(self.name) self.gridLayout = QtWidgets.QGridLayout(self) self.gridLayout.setObjectName("gridLayout") self.PlotZoneUp = TimePlot(self, self.logger) self.PlotZoneUp.setObjectName("PlotZoneUp") self.gridLayout.addWidget(self.PlotZoneUp, 0, 0, 1, 1) self.settings_dialog = Scope_Settings_Dialog(self, self.logger) self.time_range_s = DEFAULT_TIMERANGE * 0.001 self.num_sample_points = int(self.time_range_s * SAMPLING_RATE) self.time = numpy.linspace(0, self.time_range_s, self.num_sample_points) # Keep a small display buffer so we can use triggering in the data display. self.display_buffer = RingBuffer(1, 2*self.num_sample_points) def handle_new_data(self, floatdata): self.display_buffer.push(floatdata) data = self.display_buffer.unwound_data() is_dual_channel = data.shape[0] == 2 # trigger on the first channel only trigger_data = data[0, :] # trigger on half of the waveform half_sample = int(self.num_sample_points/2) trig_search_start = half_sample trig_search_stop = -half_sample trigger_data = trigger_data[trig_search_start:trig_search_stop] trigger_level = data.max() * 2. / 3. trigger_pos = numpy.where((trigger_data[:-1] < trigger_level) * (trigger_data[1:] >= trigger_level))[0] if len(trigger_pos) > 0: shift = trigger_pos[0] else: return shift += trig_search_start data = data[:, shift - half_sample: shift + half_sample] y = data[0, :] if is_dual_channel: y2 = data[1, :] else: y2 = None dBscope = False if dBscope: dBmin = -50. y = numpy.sign(y) * (20 * numpy.log10( abs(y))).clip(dBmin, 0.) / (-dBmin) + numpy.sign(y) * 1. if is_dual_channel: y2 = numpy.sign(y2) * (20 * numpy.log10( abs(y2))).clip(dBmin, 0.) / (-dBmin) + numpy.sign(y2) * 1. else: y2 = None if y2 is not None: self.PlotZoneUp.setdataTwoChannels(self.time, y, y2) else: self.PlotZoneUp.setdata(self.time, y) # method def canvasUpdate(self): return def pause(self): self.PlotZoneUp.pause() def restart(self): self.PlotZoneUp.restart() # slot def set_timerange(self, timerange): self.time_range_s = timerange*0.001 self.num_sample_points = int(self.time_range_s * SAMPLING_RATE) self.time = numpy.linspace(0, self.time_range_s, self.num_sample_points) self.display_buffer.reset(self.display_buffer.num_channels, self.num_sample_points) # slot def settings_called(self, checked): self.settings_dialog.show() # method def saveState(self, settings): self.settings_dialog.saveState(settings) # method def restoreState(self, settings): self.settings_dialog.restoreState(settings)
class Scope_Widget(QtWidgets.QWidget): def __init__(self, parent, sharedGLWidget, logger=PrintLogger()): super().__init__(parent) self.audiobuffer = None self.logger = logger self.setObjectName("Scope_Widget") self.gridLayout = QtWidgets.QGridLayout(self) self.gridLayout.setObjectName("gridLayout") self.PlotZoneUp = TimePlot(self, sharedGLWidget, self.logger) self.PlotZoneUp.setObjectName("PlotZoneUp") self.gridLayout.addWidget(self.PlotZoneUp, 0, 0, 1, 1) self.settings_dialog = Scope_Settings_Dialog(self, self.logger) self.timerange = DEFAULT_TIMERANGE # method def set_buffer(self, buffer): self.audiobuffer = buffer # method def update(self): if not self.isVisible(): return time = self.timerange * 1e-3 width = int(time * SAMPLING_RATE) #basic trigger capability on leading edge floatdata = self.audiobuffer.data(2 * width) #number of data points received at the last audio buffer update #newpoints = self.audiobuffer.newpoints #print newpoints # because of the buffering, sometimes we have not got any data #if newpoints==0: # return #floatdata = self.audiobuffer.data(newpoints + width) twoChannels = False if floatdata.shape[0] > 1: twoChannels = True # trigger on the first channel only triggerdata = floatdata[0, :] # trigger on half of the waveform trig_search_start = width / 2 trig_search_stop = -width / 2 triggerdata = triggerdata[trig_search_start:trig_search_stop] max = floatdata.max() trigger_level = max * 2. / 3. #trigger_level = 0.6 trigger_pos = where((triggerdata[:-1] < trigger_level) * (triggerdata[1:] >= trigger_level))[0] if len(trigger_pos) == 0: return if len(trigger_pos) > 0: shift = trigger_pos[0] else: #return shift = 0 shift += trig_search_start datarange = width floatdata = floatdata[:, shift - datarange / 2:shift + datarange / 2] y = floatdata[0, :] #- floatdata.mean() if twoChannels: y2 = floatdata[1, :] #- floatdata.mean() dBscope = False if dBscope: dBmin = -50. y = sign(y) * (20 * log10(abs(y))).clip( dBmin, 0.) / (-dBmin) + sign(y) * 1. if twoChannels: y2 = sign(y2) * (20 * log10(abs(y2))).clip( dBmin, 0.) / (-dBmin) + sign(y2) * 1. time = (arange(len(y)) - datarange / 2) / float(SAMPLING_RATE) if twoChannels: self.PlotZoneUp.setdataTwoChannels(time, y, y2) else: self.PlotZoneUp.setdata(time, y) # slot def set_timerange(self, timerange): self.timerange = timerange # slot def settings_called(self, checked): self.settings_dialog.show() # method def saveState(self, settings): self.settings_dialog.saveState(settings) # method def restoreState(self, settings): self.settings_dialog.restoreState(settings)
class Scope_Widget(QtGui.QWidget): def __init__(self, parent = None, logger = None): QtGui.QWidget.__init__(self, parent) self.audiobuffer = None # store the logger instance if logger is None: self.logger = parent.parent.logger else: self.logger = logger self.setObjectName("Scope_Widget") self.gridLayout = QtGui.QGridLayout(self) self.gridLayout.setObjectName("gridLayout") self.PlotZoneUp = TimePlot(self, self.logger) self.PlotZoneUp.setObjectName("PlotZoneUp") self.gridLayout.addWidget(self.PlotZoneUp, 0, 0, 1, 1) self.setStyleSheet(STYLESHEET) self.settings_dialog = Scope_Settings_Dialog(self, self.logger) # method def set_buffer(self, buffer): self.audiobuffer = buffer # method def update(self): if not self.isVisible(): return time = SMOOTH_DISPLAY_TIMER_PERIOD_MS/1000. #basic trigger capability on leading edge floatdata = self.audiobuffer.data(time*SAMPLING_RATE) twoChannels = False if floatdata.shape[0] > 1: twoChannels = True # trigger on the first channel only floatdata = floatdata[0,:] max = floatdata.max() trigger_level = max*2./3. trigger_pos = where((floatdata[:-1] < trigger_level)*(floatdata[1:] >= trigger_level))[0] if len(trigger_pos) > 0: shift = time*SAMPLING_RATE - trigger_pos[0] else: shift = 0 floatdata = self.audiobuffer.data(time*SAMPLING_RATE + shift) floatdata = floatdata[:, 0 : time*SAMPLING_RATE] y = floatdata[0,::-1] #- floatdata.mean() if twoChannels: y2 = floatdata[1,::-1] #- floatdata.mean() dBscope = False if dBscope: dBmin = -50. y = sign(y)*(20*log10(abs(y))).clip(dBmin, 0.)/(-dBmin) + sign(y)*1. if twoChannels: y2 = sign(y2)*(20*log10(abs(y2))).clip(dBmin, 0.)/(-dBmin) + sign(y2)*1. time = linspace(0., len(y)/float(SAMPLING_RATE), len(y)) if twoChannels: self.PlotZoneUp.setdataTwoChannels(time, y, y2) else: self.PlotZoneUp.setdata(time, y) # slot def settings_called(self, checked): self.settings_dialog.show() # method def saveState(self, settings): self.settings_dialog.saveState(settings) # method def restoreState(self, settings): self.settings_dialog.restoreState(settings)
class Scope_Widget(QtWidgets.QWidget): def __init__(self, parent, logger = PrintLogger()): super().__init__(parent) self.audiobuffer = None self.logger = logger self.setObjectName("Scope_Widget") self.gridLayout = QtWidgets.QGridLayout(self) self.gridLayout.setObjectName("gridLayout") self.PlotZoneUp = TimePlot(self, self.logger) self.PlotZoneUp.setObjectName("PlotZoneUp") self.gridLayout.addWidget(self.PlotZoneUp, 0, 0, 1, 1) self.settings_dialog = Scope_Settings_Dialog(self, self.logger) self.timerange = DEFAULT_TIMERANGE self.time = zeros(10) self.y = zeros(10) self.y2 = zeros(10) # method def set_buffer(self, buffer): self.audiobuffer = buffer def handle_new_data(self, floatdata): time = self.timerange*1e-3 width = int(time*SAMPLING_RATE) #basic trigger capability on leading edge floatdata = self.audiobuffer.data(2*width) #number of data points received at the last audio buffer update #newpoints = self.audiobuffer.newpoints #print newpoints # because of the buffering, sometimes we have not got any data #if newpoints==0: # return #floatdata = self.audiobuffer.data(newpoints + width) twoChannels = False if floatdata.shape[0] > 1: twoChannels = True # trigger on the first channel only triggerdata = floatdata[0,:] # trigger on half of the waveform trig_search_start = width/2 trig_search_stop = -width/2 triggerdata = triggerdata[trig_search_start : trig_search_stop] max = floatdata.max() trigger_level = max*2./3. #trigger_level = 0.6 trigger_pos = where((triggerdata[:-1] < trigger_level)*(triggerdata[1:] >= trigger_level))[0] if len(trigger_pos)==0: return if len(trigger_pos) > 0: shift = trigger_pos[0] else: #return shift = 0 shift += trig_search_start datarange = width floatdata = floatdata[:, shift - datarange/2: shift + datarange/2] self.y = floatdata[0,:] #- floatdata.mean() if twoChannels: self.y2 = floatdata[1,:] #- floatdata.mean() else: self.y2 = None dBscope = False if dBscope: dBmin = -50. self.y = sign(self.y)*(20*log10(abs(self.y))).clip(dBmin, 0.)/(-dBmin) + sign(self.y)*1. if twoChannels: self.y2 = sign(self.y2)*(20*log10(abs(self.y2))).clip(dBmin, 0.)/(-dBmin) + sign(self.y2)*1. else: self.y2 = None self.time = (arange(len(self.y)) - datarange/2)/float(SAMPLING_RATE) if self.y2 is not None: self.PlotZoneUp.setdataTwoChannels(self.time, self.y, self.y2) else: self.PlotZoneUp.setdata(self.time, self.y) # method def canvasUpdate(self): return def pause(self): self.PlotZoneUp.pause() def restart(self): self.PlotZoneUp.restart() # slot def set_timerange(self, timerange): self.timerange = timerange # slot def settings_called(self, checked): self.settings_dialog.show() # method def saveState(self, settings): self.settings_dialog.saveState(settings) # method def restoreState(self, settings): self.settings_dialog.restoreState(settings)
class Scope_Widget(QtWidgets.QWidget): def __init__(self, parent, logger=PrintLogger()): super().__init__(parent) self.audiobuffer = None self.logger = logger self.setObjectName("Scope_Widget") self.gridLayout = QtWidgets.QGridLayout(self) self.gridLayout.setObjectName("gridLayout") self.PlotZoneUp = TimePlot(self, self.logger) self.PlotZoneUp.setObjectName("PlotZoneUp") self.gridLayout.addWidget(self.PlotZoneUp, 0, 0, 1, 1) self.settings_dialog = Scope_Settings_Dialog(self, self.logger) self.timerange = DEFAULT_TIMERANGE self.time = zeros(10) self.y = zeros(10) self.y2 = zeros(10) # method def set_buffer(self, buffer): self.audiobuffer = buffer def handle_new_data(self, floatdata): time = self.timerange * 1e-3 width = int(time * SAMPLING_RATE) # basic trigger capability on leading edge floatdata = self.audiobuffer.data(2 * width) twoChannels = False if floatdata.shape[0] > 1: twoChannels = True # trigger on the first channel only triggerdata = floatdata[0, :] # trigger on half of the waveform trig_search_start = width / 2 trig_search_stop = -width / 2 triggerdata = triggerdata[trig_search_start:trig_search_stop] trigger_level = floatdata.max() * 2. / 3. trigger_pos = where((triggerdata[:-1] < trigger_level) * (triggerdata[1:] >= trigger_level))[0] if len(trigger_pos) == 0: return if len(trigger_pos) > 0: shift = trigger_pos[0] else: shift = 0 shift += trig_search_start datarange = width floatdata = floatdata[:, shift - datarange / 2:shift + datarange / 2] self.y = floatdata[0, :] if twoChannels: self.y2 = floatdata[1, :] else: self.y2 = None dBscope = False if dBscope: dBmin = -50. self.y = sign(self.y) * (20 * log10(abs(self.y))).clip( dBmin, 0.) / (-dBmin) + sign(self.y) * 1. if twoChannels: self.y2 = sign(self.y2) * (20 * log10(abs(self.y2))).clip( dBmin, 0.) / (-dBmin) + sign(self.y2) * 1. else: self.y2 = None self.time = (arange(len(self.y)) - datarange / 2) / float(SAMPLING_RATE) if self.y2 is not None: self.PlotZoneUp.setdataTwoChannels(self.time * 1e3, self.y, self.y2) else: self.PlotZoneUp.setdata(self.time * 1e3, self.y) # method def canvasUpdate(self): return def pause(self): self.PlotZoneUp.pause() def restart(self): self.PlotZoneUp.restart() # slot def set_timerange(self, timerange): self.timerange = timerange # slot def settings_called(self, checked): self.settings_dialog.show() # method def saveState(self, settings): self.settings_dialog.saveState(settings) # method def restoreState(self, settings): self.settings_dialog.restoreState(settings)