class GUI(GUIBase):
def build_window(self):
GUIBase.build_window(self)
#now size the window and center it
sw = self._win.winfo_screenwidth()
sh = self._win.winfo_screenheight()
w = sw*WINDOW_TO_SCREENWIDTH_RATIO
h = sh*WINDOW_TO_SCREENHEIGHT_RATIO
x = (sw - w)/2
y = (sh - h)/2
self._win.geometry("%dx%d+%d+%d" % (w,h,x,y))
self._cv_plot_Xs = []
self._cv_plot_Ys = []
self._cv_plot_labels = []
self._vsweep_mode = None
self._vsweep_stop = False
def build_widgets(self):
#FIXME bind some debugging keystrokes to the window
#self._win.bind('<Control-f>', lambda e: self._app.)
#-----------------------------------------------------------------------
#build the left panel
left_panel = tk.Frame(self._win)
#voltage sweep controls
tk.Label(left_panel, text="Voltage Sweep Controls:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
self.vsweep_settings_button = tk.Button(left_panel,
text = 'Change Settings',
command = self.change_vsweep_settings,
width = BUTTON_WIDTH)
self.vsweep_settings_button.pack(side='top', anchor="sw")
self.vsweep_once_button = tk.Button(left_panel,
text = 'Run Once',
command = lambda: self.do_vsweep(mode = 'once'),
width = BUTTON_WIDTH)
self.vsweep_once_button.pack(side='top', anchor="nw")
self.vsweep_continually_button = tk.Button(left_panel,
text = 'Run Continually',
command = lambda: self.do_vsweep(mode = 'continual'),
width = BUTTON_WIDTH)
self.vsweep_continually_button.pack(side='top', anchor="nw")
self.vsweep_stop_button = tk.Button(left_panel,
text = 'Stop',
command = self.vsweep_stop,
state = 'disabled',
width = BUTTON_WIDTH)
self.vsweep_stop_button.pack(side='top', anchor="nw")
#build the capture settings dialog
self.vsweep_settings_dialog = VoltageSweepSettingsDialog(self._win)
self.vsweep_settings_dialog.withdraw()
#finish the left panel
left_panel.pack(fill='y',expand='no',side='left', padx = 10)
#-----------------------------------------------------------------------
#build the middle panel - a tabbed notebook
mid_panel = tk.Frame(self._win)
#mid_panel.pack(fill='both', expand='yes',side='left')
nb = ttk.Notebook(mid_panel)
nb.pack(fill='both', expand='yes',side='right')
tab1 = tk.Frame(nb)
tab1.pack(fill='both', expand='yes',side='right')
nb.add(tab1, text = "Current vs. Voltage")
#create an tk embedded figure for the current vs. voltage display
self.cv_plot_template = CurrentVoltagePlot()
self.cv_plot_template.configure(title = CV_PLOT_TITLE)
self.cv_plot_figure_widget = EmbeddedFigure(tab1, figsize = CV_PLOT_FIGSIZE)
self.cv_plot_figure_widget.pack(side='top',fill='both', expand='yes')
self._update_cv_plot() #make an empty plot
self.replot_cv_button = tk.Button(tab1,text='Replot',command = self.replot_cv, state='normal', width = BUTTON_WIDTH)
self.replot_cv_button.pack(side='left',anchor="sw")
self.clear_cv_button = tk.Button(tab1,text='Clear',command = self.clear_data, state='normal', width = BUTTON_WIDTH)
self.clear_cv_button.pack(side='left',anchor="sw")
self.export_data_button = tk.Button(tab1,
text ='Export Data',
command = self.export_data,
state = 'disabled',
width = BUTTON_WIDTH)
self.export_data_button.pack(side='left',anchor="sw")
#finish builing the middle pannel
mid_panel.pack(fill='both', expand='yes',side='left')
#-----------------------------------------------------------------------
#build the right panel
right_panel = tk.Frame(self._win)
#Status variable display
#tk.Label(right_panel, pady = SECTION_PADY).pack(side='top',fill='x', anchor="nw")
#tk.Label(right_panel, text="Status:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
#self.condition_fields = ConditionFields(right_panel)
#self.condition_fields.pack(side='top', anchor="w", expand='no')
# Events text display
tk.Label(right_panel, pady = SECTION_PADY).pack(side='top',fill='x', anchor="nw")
tk.Label(right_panel, text="Events Monitoring:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
self.text_display = TextDisplayBox(right_panel,
text_width = TEXTBOX_WIDTH,
buffer_size = TEXTBOX_BUFFER_SIZE,
)
self.text_display.pack(side='top',fill='both',expand='yes')
#finish building the right panel
right_panel.pack(fill='both', expand='yes',side='right', padx = 10)
def close(self):
self.cache_settings()
GUIBase.close(self)
def load_settings(self):
if os.path.exists(SETTINGS_FILEPATH):
self._app.print_comment("loading from settings file '%s'" % SETTINGS_FILEPATH)
settings = shelve.open(SETTINGS_FILEPATH)
self.vsweep_settings_dialog.form['v_start'] = settings.get('v_start', 0.0)
self.vsweep_settings_dialog.form['v_end'] = settings.get('v_end', 1.5)
self.vsweep_settings_dialog.form['v_rate'] = settings.get('v_rate', 0.25)
self.vsweep_settings_dialog.form['samp_rate'] = settings.get('samp_rate', 10.0)
self.vsweep_settings_dialog.form['cycles'] = settings.get('cycles', 1)
self.vsweep_settings_dialog.current_range_level_var.set(settings.get('current_range_level', 0))
settings.close()
else:
self._app.print_comment("failed to find settings file '%s'" % SETTINGS_FILEPATH)
def cache_settings(self):
self._app.print_comment("caching to settings file '%s'" % SETTINGS_FILEPATH)
settings = shelve.open(SETTINGS_FILEPATH)
settings['v_start'] = self.vsweep_settings_dialog.form['v_start']
settings['v_end'] = self.vsweep_settings_dialog.form['v_end']
settings['v_rate'] = self.vsweep_settings_dialog.form['v_rate']
settings['samp_rate'] = self.vsweep_settings_dialog.form['samp_rate']
settings['cycles'] = self.vsweep_settings_dialog.form['cycles']
settings['current_range_level'] = self.vsweep_settings_dialog.current_range_level_var.get()
settings.close()
def busy(self):
self.disable_control_buttons()
self._win.config(cursor="watch")
def not_busy(self):
self.enable_control_buttons()
self._win.config(cursor="")
def print_to_text_display(self, text, eol='\n'):
try:
self.text_display.print_text(text, eol=eol)
except AttributeError: #ignore missing text display widget
pass
def print_event(self, event, info = {}):
buff = ["%s:" % event]
for key,val in info.items():
buff.append("%s: %s" % (key,val))
buff = "\n".join(buff)
self.print_to_text_display(buff)
def disable_control_buttons(self):
self.vsweep_settings_button.configure(state="disabled")
self.vsweep_continually_button.configure(state="disabled")
#self.capture_stop_button.configure(state="disabled")
self.vsweep_once_button.configure(state="disabled")
def enable_control_buttons(self):
self.vsweep_settings_button.configure(state="normal")
self.vsweep_continually_button.configure(state="normal")
#self.vsweep_stop_button.configure(state="normal")
self.vsweep_once_button.configure(state="normal")
def change_vsweep_settings(self):
choice = self.vsweep_settings_dialog.activate()
if choice == "OK":
self._app.print_comment("changing voltage sweep settings...")
def do_vsweep(self, mode = 'once'):
self._vsweep_mode = mode
#disable all the control buttons, except the stop button
self.disable_control_buttons()
self.vsweep_stop_button.config(state='normal')
if mode == 'once':
self.vsweep_once_button.config(bg='green', relief='sunken')
elif mode == 'continual':
self.vsweep_continually_button.config(state='disabled', bg='green', relief="sunken")
#get parameters
v_start = float(self.vsweep_settings_dialog.form['v_start'])
v_end = float(self.vsweep_settings_dialog.form['v_end'])
v_rate = float(self.vsweep_settings_dialog.form['v_rate'])
samp_rate = float(self.vsweep_settings_dialog.form['samp_rate'])
cycles = int(self.vsweep_settings_dialog.form['cycles'])
current_range_level = self.vsweep_settings_dialog.current_range_level_var.get()
current_range_level, _ = current_range_level.split(",")
current_range_level = int(current_range_level)
self._app.print_comment("Running a voltage sweep:")
self._app.print_comment(" v_start: %0.2f" % (v_start,))
self._app.print_comment(" v_end: %0.2f" % (v_end,))
self._app.print_comment(" v_rate: %0.2f" % (v_rate,))
self._app.print_comment(" samp_rate: %0.2f" % (samp_rate,))
self._app.print_comment(" cycles: %0.2f" % (cycles,))
#start the voltage sweep, SHOULD NOT BLOCK!
self._app.start_voltage_sweep(v_start = v_start,
v_end = v_end,
v_rate = v_rate,
samp_rate = samp_rate,
cycles = cycles,
current_range_level = current_range_level,
)
self._win.after(LOOP_DELAY, self._wait_on_vsweep_loop)
def _wait_on_vsweep_loop(self):
voltage_sweep = self._app._load_controller('voltage_sweep')
#read out all pending events
while not voltage_sweep.event_queue.empty():
event, info = voltage_sweep.event_queue.get()
self.print_event(event,info)
if event == "VOLTAGE_SWEEP_SAMPLE":
self._app._append_vsweep_data_record(info['control_voltage'],
info['WEtoRE_voltage'],
info['WE_current'],
)
#use new data to update the plot
V1 = self._app._vsweep_dataset['control_voltage']
V2 = self._app._vsweep_dataset['WEtoRE_voltage']
I = self._app._vsweep_dataset['WE_current']
self._update_cv_plot(X_now = V2, Y_now = I)
if voltage_sweep.thread_isAlive():
#reschedule loop
self._vsweep_after_id = self._win.after(VSWEEP_LOOP_DELAY,self._wait_on_vsweep_loop)
else: #cycle is finished
#cache the data for the plot
V1 = self._app._vsweep_dataset['control_voltage']
V2 = self._app._vsweep_dataset['WEtoRE_voltage']
I = self._app._vsweep_dataset['WE_current']
self._cv_plot_Xs.append(V2)
self._cv_plot_Ys.append(I)
new_label = "Trial %d" % (len(self._cv_plot_labels) + 1,)
self._cv_plot_labels.append(new_label)
self.replot_cv()
#finish up
#self.not_busy()
#re-enable all the buttons, except the stop button
self.enable_control_buttons()
self.export_data_button.config(state='normal')
self._app.print_comment("voltage sweep completed")
#self.export_data_button.config(state='normal') #data can now be exported
if self._vsweep_mode == 'once':
self.vsweep_once_button.config(bg='light gray', relief='raised')
self.vsweep_stop_button.config(state='disabled')
self._vsweep_stop = False
elif self._vsweep_mode == 'continual':
if self._vsweep_stop:
self._vsweep_stop = False
self._vsweep_mode = None
self.vsweep_continually_button.config(bg='light gray', relief='raised')
voltage_sweep.reset()
else:
#reschedule another voltage sweep
self.do_vsweep(mode = 'continual')
def vsweep_stop(self):
self.vsweep_stop_button.config(state='disabled')
voltage_sweep = self._app._load_controller('voltage_sweep')
self._vsweep_stop = True
#force it to stop right now instead of finishing sleep
voltage_sweep.abort()
# if not self._vsweep_after_id is None:
# #cancel the next scheduled loop time
# self._win.after_cancel(self._vsweep_after_id)
# #then enter the loop one more time to clean up
# self._wait_on_vsweep_loop()
def replot_cv(self):
voltage_sweep = self._app._load_controller('voltage_sweep')
figure = self.cv_plot_figure_widget.get_figure()
figure.clear()
self.cv_plot_template._has_been_plotted = False
#check to see if the current trial is still running
if voltage_sweep.thread_isAlive():
#if so pass in the current trial data
V1 = self._app._vsweep_dataset['control_voltage']
V2 = self._app._vsweep_dataset['WEtoRE_voltage']
I = self._app._vsweep_dataset['WE_current']
self._update_cv_plot(X_now = V2, Y_now = I)
else:
#otherwise just the completed data sets (i.e., avoid redundancy of last set)
self._update_cv_plot()
def export_data(self):
self._app.print_comment("Exporting data...")
dt_now = datetime.datetime.utcnow()
dt_now_str = dt_now.strftime("%Y-%m-%d")
#get some metadata for title
v_start = float(self._app._vsweep_dataset.get_metadata('v_start'))
v_end = float(self._app._vsweep_dataset.get_metadata('v_end'))
v_rate = float(self._app._vsweep_dataset.get_metadata('v_rate'))
default_filename = "%s_vsweep_%0.2f_to_%0.2fV_by_%0.2fVps.csv" % (dt_now_str,v_start,v_end,v_rate)
fdlg = SaveFileDialog(self._win,title="Save Voltage Sweep Data")
userdata_path = self._app._config['paths']['data_dir']
filename = fdlg.go(dir_or_file = userdata_path,
pattern = "*.csv",
default = default_filename,
key = None,
)
if filename:
self._app.export_data(filename)
self._app.print_comment("finished")
def clear_data(self):
self._cv_plot_Xs = []
self._cv_plot_Ys = []
self._cv_plot_labels = []
self.replot_cv()
def _update_cv_plot(self, X_now = None, Y_now = None):
figure = self.cv_plot_figure_widget.get_figure()
plot_template = self.cv_plot_template
#decide whether to plot the data (again) or update a current plot
do_plot = False
if not plot_template.has_been_plotted():
do_plot = True
else:
#check if the plot has moved out of the boundaries
ax1 = figure.axes[0]
xlim = ax1.get_xlim()
ylim = ax1.get_ylim()
if not xlim[0] <= X_now[-1] <= xlim[1]:
do_plot = True
if not ylim[0] <= Y_now[-1] <= ylim[1]:
do_plot = True
#do the update
if do_plot:
self._app.print_comment("Plotting the Current vs. Voltage.")
Xs = self._cv_plot_Xs[:] #make copy to not mutate!
if not X_now is None:
Xs.append(X_now)
else:
Xs.append([])
Ys = self._cv_plot_Ys[:] #make copy to not mutate!
if not Y_now is None:
Ys.append(Y_now)
else:
Ys.append([])
#styles = CV_PLOT_STYLES
labels = self._cv_plot_labels + ['Current Trial']
plot_template.plot(Xs, Ys,
#styles = styles,
labels = labels,
figure = figure
)
self.cv_plot_figure_widget.update()
else:
self._app.print_comment("Updating Current vs. Voltage plot.")
#get the plot line from the figure FIXME is there an easier way?
axis = figure.axes[0]
last_line = axis.lines[-1]
if not X_now is None:
last_line.set_xdata(X_now)
if not Y_now is None:
last_line.set_ydata(Y_now)
self.cv_plot_figure_widget.update()
def build_widgets(self):
#FIXME bind some debugging keystrokes to the window
#self._win.bind('<Control-f>', lambda e: self._app.)
#-----------------------------------------------------------------------
#build the left panel
left_panel = tk.Frame(self._win)
#voltage sweep controls
tk.Label(left_panel, text="Voltage Sweep Controls:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
self.vsweep_settings_button = tk.Button(left_panel,
text = 'Change Settings',
command = self.change_vsweep_settings,
width = BUTTON_WIDTH)
self.vsweep_settings_button.pack(side='top', anchor="sw")
self.vsweep_once_button = tk.Button(left_panel,
text = 'Run Once',
command = lambda: self.do_vsweep(mode = 'once'),
width = BUTTON_WIDTH)
self.vsweep_once_button.pack(side='top', anchor="nw")
self.vsweep_continually_button = tk.Button(left_panel,
text = 'Run Continually',
command = lambda: self.do_vsweep(mode = 'continual'),
width = BUTTON_WIDTH)
self.vsweep_continually_button.pack(side='top', anchor="nw")
self.vsweep_stop_button = tk.Button(left_panel,
text = 'Stop',
command = self.vsweep_stop,
state = 'disabled',
width = BUTTON_WIDTH)
self.vsweep_stop_button.pack(side='top', anchor="nw")
#build the capture settings dialog
self.vsweep_settings_dialog = VoltageSweepSettingsDialog(self._win)
self.vsweep_settings_dialog.withdraw()
#finish the left panel
left_panel.pack(fill='y',expand='no',side='left', padx = 10)
#-----------------------------------------------------------------------
#build the middle panel - a tabbed notebook
mid_panel = tk.Frame(self._win)
#mid_panel.pack(fill='both', expand='yes',side='left')
nb = ttk.Notebook(mid_panel)
nb.pack(fill='both', expand='yes',side='right')
tab1 = tk.Frame(nb)
tab1.pack(fill='both', expand='yes',side='right')
nb.add(tab1, text = "Current vs. Voltage")
#create an tk embedded figure for the current vs. voltage display
self.cv_plot_template = CurrentVoltagePlot()
self.cv_plot_template.configure(title = CV_PLOT_TITLE)
self.cv_plot_figure_widget = EmbeddedFigure(tab1, figsize = CV_PLOT_FIGSIZE)
self.cv_plot_figure_widget.pack(side='top',fill='both', expand='yes')
self._update_cv_plot() #make an empty plot
self.replot_cv_button = tk.Button(tab1,text='Replot',command = self.replot_cv, state='normal', width = BUTTON_WIDTH)
self.replot_cv_button.pack(side='left',anchor="sw")
self.clear_cv_button = tk.Button(tab1,text='Clear',command = self.clear_data, state='normal', width = BUTTON_WIDTH)
self.clear_cv_button.pack(side='left',anchor="sw")
self.export_data_button = tk.Button(tab1,
text ='Export Data',
command = self.export_data,
state = 'disabled',
width = BUTTON_WIDTH)
self.export_data_button.pack(side='left',anchor="sw")
#finish builing the middle pannel
mid_panel.pack(fill='both', expand='yes',side='left')
#-----------------------------------------------------------------------
#build the right panel
right_panel = tk.Frame(self._win)
#Status variable display
#tk.Label(right_panel, pady = SECTION_PADY).pack(side='top',fill='x', anchor="nw")
#tk.Label(right_panel, text="Status:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
#self.condition_fields = ConditionFields(right_panel)
#self.condition_fields.pack(side='top', anchor="w", expand='no')
# Events text display
tk.Label(right_panel, pady = SECTION_PADY).pack(side='top',fill='x', anchor="nw")
tk.Label(right_panel, text="Events Monitoring:", font = HEADING_LABEL_FONT).pack(side='top',anchor="w")
self.text_display = TextDisplayBox(right_panel,
text_width = TEXTBOX_WIDTH,
buffer_size = TEXTBOX_BUFFER_SIZE,
)
self.text_display.pack(side='top',fill='both',expand='yes')
#finish building the right panel
right_panel.pack(fill='both', expand='yes',side='right', padx = 10)
