def __available_devices_map_default(self):
try:
instruments_info = self.visa_resource.list_resources_info()
except visa.VisaIOError:
return {}
d = {}
candidates = [n for n in instruments_info.values() if n.resource_name.upper().startswith("GPIB")]
d.update(SerialUtil.probe(candidates, self.visa_resource, INSTRUMENT_IDENTIFIER, command="ID"))
return d
def _selected_device_changed(self, new):
logger.info('New instrument %s', new)
if self.instrument is not None:
self.instrument.close()
if new is not '':
self.instrument = SerialUtil.open(new, self.visa_resource)
if self.instrument is None:
GenericPopupMessage(message ='Error opening ' + new).edit_traits()
self.instrument = None
self.selected_device = ''
def _selected_device_changed(self, new):
logger.info("New instrument %s", new)
if self.instrument is not None:
self.instrument.close()
if new is not "":
self.instrument = SerialUtil.open(new, self.visa_resource, command="ID")
if self.instrument is None:
GenericPopupMessage(message="Error opening " + new).edit_traits()
self.instrument = None
self.selected_device = ""
def start(self):
self.running = True
self.acq_start_time = time()
self.sample_nr = 0
self.instrument = SerialUtil.open(self.selected_device, self.visa_resource)
if self.instrument is None:
self.instrument = None
self.selected_device = ''
self.timer = Timer.singleShot(self.sampling_interval * 1000, self.add_data)
def __available_devices_map_default(self):
try:
instruments_info = self.visa_resource.list_resources_info()
except visa.VisaIOError:
return {}
d = {}
candidates = [n for n in instruments_info.values() if n.resource_name.upper().startswith('GPIB')]
d.update(SerialUtil.probe(candidates, self.visa_resource, INSTRUMENT_IDENTIFIER))
candidates = [n for n in instruments_info.values() if n.resource_name.upper().startswith('USB')]
d.update(SerialUtil.probe(candidates, self.visa_resource, INSTRUMENT_IDENTIFIER))
candidates = [n for n in instruments_info.values() if n.resource_name.lower().startswith('k-26')]
d.update(SerialUtil.probe(candidates, self.visa_resource, INSTRUMENT_IDENTIFIER))
candidates = [n for n in instruments_info.values() if n.alias is not None and n.alias.lower().startswith('sourcemeter')]
d.update(SerialUtil.probe(candidates, self.visa_resource, INSTRUMENT_IDENTIFIER))
return d
def start(self):
self.running = True
self.acq_start_time = time()
self.sample_nr = 0
self.instrument = SerialUtil.open(self.selected_device, self.visa_resource)
self.instrument_init()
if self.instrument is None:
# GenericPopupMessage(message ='Error opening ' + new).edit_traits()
self.instrument = None
self.selected_device = ''
self.timer = Timer.singleShot(self.sampling_interval * 1000, self.add_data)
def __available_devices_map_default(self):
if self.instrument is not None:
self.instrument.close()
try:
instruments_info = self.visa_resource.list_resources_info()
except visa.VisaIOError:
return {}
d = {}
candidates = [n for n in instruments_info.values() if n.resource_name.upper().startswith('GPIB')]
d.update(SerialUtil.probe(candidates, self.visa_resource, INSTRUMENT_IDENTIFIER))
return d
def _selected_device_changed(self, new):
logger.info('New instrument %s', new)
if self.instrument is not None:
self.instrument.close()
if new is not '':
self.instrument = SerialUtil.open(new, self.visa_resource)
self.instrument.values_format.use_ascii('f', '\t', list)
if self.instrument is None:
GenericPopupMessage(message ='Error opening ' + new).edit_traits()
self.instrument = None
self.selected_device = ''
else:
self.instrument_init()
