def connect(
resource_name: str, timeout: typing.Optional[int]
) -> typing.Tuple[visa.ResourceManager, visa.Resource]:
visa.log_to_screen()
rm = visa.ResourceManager()
resources = rm.list_resources()
if resource_name not in resources:
raise Exception(
f"Resource {resource_name} not available in {resources}")
instr = rm.open_resource(resource_name)
instr.timeout = 5000
print(f"Connected to {instr}, timeout {instr.timeout}")
return rm, instr
def _log_to_screen_helper(self, level):
class Faker:
def __init__(self):
self.args = None
def log_to_stream(self, *args):
self.args = args
faker = Faker()
try:
old = pyvisa.log_to_stream
pyvisa.log_to_stream = faker.log_to_stream
if level != logging.DEBUG:
pyvisa.log_to_screen(level)
else:
pyvisa.log_to_screen()
finally:
pyvisa.log_to_stream = old
self.assertTupleEqual(faker.args, (None, level))
import pyvisa as visa
import pyvisascope
import multitimer
import time
import yaml
import logging
visa.log_to_screen('INFO')
logger = logging.getLogger('pyvisa')
log2file = logging.FileHandler('experiment.log')
logger.addHandler(log2file)
def main():
# enter here the ID of your device. On windows, VISA you can easily find it in the VISA interface.
Device = pyvisascope.TDS2000('USB::0x0699::0x0367::C057400::INSTR')
Device.myScope.timeout = None
# set a timer that records every minute for in total 4 times
timer = multitimer.MultiTimer(interval=60,
function=measure,
kwargs={'myDevice': Device},
count=3,
runonstart=True)
timer.start()
def measure(myDevice):
logger.info('Executing at {}'.format(time.ctime()))
timestr = time.strftime('%Y%m%d-%H%M%S')
waveform = myDevice.get_waveform(['CH1'])
measurement = myDevice.get_measurement_series(
