def __init__(self, loc, **kwargs):
self.board, self.address = loc.split('::')
self.address_chr = chr(int(self.address)+32)
session = vpp43.open_default_resource_manager()
resource_name = vpp43.find_resources(session, self.board)[2]
vpp43.open(session, resource_name)
self.board_n = int(self.board.split('B')[1])
gpib = visa.Gpib(self.board_n)
vpp43.gpib_send_ifc(gpib.vi)
vpp43.gpib_control_ren(gpib.vi, 1)
self._frequency = None
self._amplitude = None
def __init__(self, loc, **kwargs):
self.board, self.address = loc.split('::')
self.address_chr = chr(int(self.address) + 32)
session = vpp43.open_default_resource_manager()
resource_name = vpp43.find_resources(session, self.board)[2]
vpp43.open(session, resource_name)
self.board_n = int(self.board.split('B')[1])
gpib = visa.Gpib(self.board_n)
vpp43.gpib_send_ifc(gpib.vi)
vpp43.gpib_control_ren(gpib.vi, 1)
self._frequency = None
self._amplitude = None
def __init__(self, name=None, wait_for_settle=True, reset=True):
self.wait_for_settle = wait_for_settle
if not name:
instruments = visa.get_instruments_list()
# find first GPIB interface
for dev in instruments:
if "gpib" in dev.lower():
name = dev
break
else:
raise exception('cannot find device')
# connect to device and configure VISA settings
self.device = visa.instrument(name)
vpp43.gpib_control_ren(self.device.vi, visa.VI_GPIB_REN_ASSERT_ADDRESS) # doesn't work without this
self.device.clear()
self.set_output_enabled(False)
if reset:
self.reset()
def __init__(self, name=None, wait_for_settle=True, reset=True):
self.wait_for_settle = wait_for_settle
if not name:
instruments = visa.get_instruments_list()
# find first GPIB interface
for dev in instruments:
if "gpib" in dev.lower():
name = dev
break
else:
raise exception('cannot find device')
# connect to device and configure VISA settings
self.device = visa.instrument(name)
vpp43.gpib_control_ren(
self.device.vi,
visa.VI_GPIB_REN_ASSERT_ADDRESS) # doesn't work without this
self.device.clear()
self.set_output_enabled(False)
if reset:
self.reset()