def start_voltage_sweep(self,
v_start,
v_end,
v_rate,
samp_rate = 10.0,
cycles = 1,
current_range_level = 0,
#blocking = True,
):
voltage_sweep = self._load_controller('voltage_sweep')
voltage_sweep.set_configuration(v_start = v_start,
v_end = v_end,
v_rate = v_rate,
samp_rate = samp_rate,
cycles = cycles,
current_range_level = current_range_level,
)
#creat new or overwrite the last dataset
md = OrderedDict()
md['start_timestamp'] = time.time()
md['v_start'] = v_start
md['v_end'] = v_end
md['v_rate'] = v_rate
md['samp_rate'] = samp_rate
md['cycles'] = cycles
md['current_range_level'] = current_range_level
self._vsweep_dataset = VoltageSweepDataSet(metadata = md)
voltage_sweep.start() #this should start a non-blocking thread
class Application(ApplicationBase):
def __init__(self, skip_test = False, **kwargs):
kwargs['used_controllers'] = USED_CONTROLLERS
ApplicationBase.__init__(self, **kwargs)
self._vsweep_dataset = VoltageSweepDataSet()
def initialize(self, used_controllers = USED_CONTROLLERS):
ApplicationBase.initialize(self, used_controllers = used_controllers)
def start_voltage_sweep(self,
v_start,
v_end,
v_rate,
samp_rate = 10.0,
cycles = 1,
current_range_level = 0,
#blocking = True,
):
voltage_sweep = self._load_controller('voltage_sweep')
voltage_sweep.set_configuration(v_start = v_start,
v_end = v_end,
v_rate = v_rate,
samp_rate = samp_rate,
cycles = cycles,
current_range_level = current_range_level,
)
#creat new or overwrite the last dataset
md = OrderedDict()
md['start_timestamp'] = time.time()
md['v_start'] = v_start
md['v_end'] = v_end
md['v_rate'] = v_rate
md['samp_rate'] = samp_rate
md['cycles'] = cycles
md['current_range_level'] = current_range_level
self._vsweep_dataset = VoltageSweepDataSet(metadata = md)
voltage_sweep.start() #this should start a non-blocking thread
def _append_vsweep_data_record(self,
control_voltage,
WEtoRE_voltage,
WE_current,
):
self._vsweep_dataset.append_record(#this needs a sequence
(control_voltage,
WEtoRE_voltage,
WE_current)
)
def export_data(self, filename):
if filename.endswith(".csv"):
self._vsweep_dataset.to_csv_file(filename)
elif filename.endswith(".db"):
self._vsweep_dataset.to_shelf(filename)
elif filename.endswith(".hd5"):
raise NotImplementedError("HDF5 formatting is not ready, please check back later!")
else:
raise ValueError("the filename extension was not recognized, it must end with: .csv, .db, or .hd5")
def __init__(self, skip_test = False, **kwargs):
kwargs['used_controllers'] = USED_CONTROLLERS
ApplicationBase.__init__(self, **kwargs)
self._vsweep_dataset = VoltageSweepDataSet()
