def read_measurements(self, start_channel):
try:
# No impedance_readings were provided, so run impedance routine to
# collect measurements.
def on_update(df):
gtk.gdk.threads_enter()
self.measurements_label.set_label('channel=%d' %
df.iloc[0]['channel'])
i = int(df.iloc[0]['channel'] % self.channels_per_board)
self.measure_progress.set_fraction(
float(i + 1) / self.channels_per_board)
self.measure_progress.set_text(
'Measurement: %s/%s' % (i + 1, self.channels_per_board))
width, height = self.measure_progress.size_request()
self.measure_progress.set_size_request(width, 40)
while gtk.events_pending():
gtk.main_iteration(False)
gtk.gdk.threads_leave()
self.test_loads = TEST_LOADS.copy()
self.test_loads.index += start_channel
self.readings = sweep_channels(self.control_board,
self.test_loads,
on_update=on_update)
finally:
self.restore_settings()
gtk.gdk.threads_enter()
self.measurements_label.set_label('Done.')
self.widget.set_page_complete(self.box1, True)
gtk.gdk.threads_leave()
def read_measurements(self, start_channel):
try:
# No impedance_readings were provided, so run impedance routine to
# collect measurements.
def on_update(df):
gtk.gdk.threads_enter()
self.measurements_label.set_label('channel=%d' %
df.iloc[0]['channel'])
i = int(df.iloc[0]['channel'] % self.channels_per_board)
self.measure_progress.set_fraction(float(i + 1)
/ self.channels_per_board)
self.measure_progress.set_text('Measurement: %s/%s' %
(i + 1, self.channels_per_board))
width, height = self.measure_progress.size_request()
self.measure_progress.set_size_request(width, 40)
while gtk.events_pending():
gtk.main_iteration(False)
gtk.gdk.threads_leave()
self.test_loads = TEST_LOADS.copy()
self.test_loads.index += start_channel
self.readings = sweep_channels(self.control_board, self.test_loads,
on_update=on_update)
finally:
self.restore_settings()
gtk.gdk.threads_enter()
self.measurements_label.set_label('Done.')
self.widget.set_page_complete(self.box1, True)
gtk.gdk.threads_leave()
def plot_channel_sweep(proxy, start_channel):
'''
Parameters
----------
proxy : DMFControlBoard
start_channel : int
Channel number from which to start a channel sweep (should be a
multiple of 40, e.g., 0, 40, 80).
Returns
-------
pandas.DataFrame
See description of return of :func:`sweep_channels`.
'''
test_loads = TEST_LOADS.copy()
test_loads.index += start_channel
results = sweep_channels(proxy, test_loads)
normalized_measurements = (results['measured capacitance'] /
results['expected capacitance'])
fig, axis = plt.subplots(figsize=(10, 8))
axis.bar(normalized_measurements.index - 0.3,
normalized_measurements,
width=0.6,
edgecolor='none',
facecolor='limegreen')
axis.set_xlim(left=test_loads.index.min() - 0.5,
right=test_loads.index.max() + 0.5)
axis.set_xlabel('channel')
axis.set_ylabel(r'$\frac{C_{\tt{measured}}}{C_{\tt{expected}}}$',
fontsize=28)
return results
def plot_channel_sweep(proxy, start_channel):
'''
Parameters
----------
proxy : DMFControlBoard
start_channel : int
Channel number from which to start a channel sweep (should be a
multiple of 40, e.g., 0, 40, 80).
Returns
-------
pandas.DataFrame
See description of return of :func:`sweep_channels`.
'''
test_loads = TEST_LOADS.copy()
test_loads.index += start_channel
results = sweep_channels(proxy, test_loads)
normalized_measurements = (results['measured capacitance']
/ results['expected capacitance'])
fig, axis = plt.subplots(figsize=(10, 8))
axis.bar(normalized_measurements.index - 0.3, normalized_measurements,
width=0.6, edgecolor='none', facecolor='limegreen')
axis.set_xlim(left=test_loads.index.min() - 0.5,
right=test_loads.index.max() + 0.5)
axis.set_xlabel('channel')
axis.set_ylabel(r'$\frac{C_{\tt{measured}}}{C_{\tt{expected}}}$',
fontsize=28)
return results
