type: counter
flags: readable|writable
number of channels: 1
max data value: 15
ranges: <Range unit:none min:0.0 max:1.0>
command: (not supported)
"""
try:
display_modinfo('comedi')
except ImportError as e:
print('could not load module info (kmod not installed)')
print(' {}'.format(e))
except ModuleNotFound as e:
print('could not load module info (module not found)')
print(' {}'.format(e))
device = _Device(filename=filename)
device.open()
try:
display(device)
finally:
device.close()
if __name__ == '__main__':
import pycomedi_demo_args
args = pycomedi_demo_args.parse_args(description=__doc__,
argnames=['filename', 'verbose'])
run(filename=args.filename)
flags: readable|writable
number of channels: 1
max data value: 15
ranges: <Range unit:none min:0.0 max:1.0>
command: (not supported)
"""
try:
display_modinfo('comedi')
except ImportError as e:
print('could not load module info (kmod not installed)')
print(' {}'.format(e))
except ModuleNotFound as e:
print('could not load module info (module not found)')
print(' {}'.format(e))
device = _Device(filename=filename)
device.open()
try:
display(device)
finally:
device.close()
if __name__ == '__main__':
import pycomedi_demo_args
args = pycomedi_demo_args.parse_args(
description=__doc__,
argnames=['filename', 'verbose'])
run(filename=args.filename)
<BLANKLINE>
"""
device = _Device(filename=filename)
device.open()
try:
read(device=device, **kwargs)
finally:
device.close()
if __name__ == '__main__':
import pycomedi_demo_args
args = pycomedi_demo_args.parse_args(
description=__doc__,
argnames=['filename', 'subdevice', 'channels', 'aref', 'range',
'num-scans', 'mmap', 'callback', 'frequency', 'physical',
'plot', 'verbose'])
_LOG.info(('measuring device={0.filename} subdevice={0.subdevice} '
'channels={0.channels} range={0.range} '
'analog-reference={0.aref}'
).format(args))
if args.callback:
reader = _utility.CallbackReader
elif args.mmap:
reader = _utility.MMapReader
else:
reader = _utility.Reader
t2 = insns[2].data[0] + insns[2].data[1] / 1e6
return (t1, insns[1].data, t2)
def display(t1, data, t2):
_LOG.info("initial time: {}".format(t1))
_LOG.info("final time: {}".format(t2))
_LOG.info("difference: {}".format(t2 - t1))
for x in insns[1].data:
print(x)
if __name__ == "__main__":
import pycomedi_demo_args
args = pycomedi_demo_args.parse_args(
description=__doc__,
argnames=["filename", "subdevice", "channel", "aref", "range", "num-scans", "verbose"],
args=args,
)
t1, data, t2 = run(
filename=args.filename,
subdevice=args.subdevice,
channel=args.channel,
range=args.range,
aref=args.aref,
num_scans=args.num_scans,
)
display(t1=t1, data=data, t2=t2)
>>> os.remove(one_chan_path)
>>> os.remove(two_chan_path)
"""
device,ao_subdevice,ao_channels = setup_device(
filename=filename, subdevice=subdevice, channels=channels,
range=range, aref=aref)
for filename in files:
frequency,unit_output_signal = load(filename=filename)
if len(unit_output_signal.shape) == 1:
unit_output_signal.shape = (unit_output_signal.shape[0], 1)
output_buffer = generate_output_buffer(
ao_subdevice, ao_channels, unit_output_signal)
setup_command(ao_subdevice, ao_channels, frequency, output_buffer)
run_command(device, ao_subdevice, output_buffer)
device.close()
if __name__ == '__main__':
import pycomedi_demo_args
pycomedi_demo_args.ARGUMENTS['files'] = (['files'], {'nargs': '+'})
args = pycomedi_demo_args.parse_args(
description=__doc__,
argnames=[
'filename', 'subdevice', 'channels', 'range', 'aref', 'mmap',
'files', 'verbose'])
run(filename=args.filename, subdevice=args.subdevice,
channels=args.channels, range=args.range, aref=args.aref,
mmap=args.mmap, files=args.files)
t2 = insns[2].data[0] + insns[2].data[1] / 1e6
return (t1, insns[1].data, t2)
def display(t1, data, t2):
_LOG.info('initial time: {}'.format(t1))
_LOG.info('final time: {}'.format(t2))
_LOG.info('difference: {}'.format(t2 - t1))
for x in insns[1].data:
print(x)
if __name__ == '__main__':
import pycomedi_demo_args
args = pycomedi_demo_args.parse_args(description=__doc__,
argnames=[
'filename', 'subdevice',
'channel', 'aref', 'range',
'num-scans', 'verbose'
],
args=args)
t1, data, t2 = run(filename=args.filename,
subdevice=args.subdevice,
channel=args.channel,
range=args.range,
aref=args.aref,
num_scans=args.num_scans)
display(t1=t1, data=data, t2=t2)