class Relay:
def __init__(self, channel, value=0):
''' Simple relay class
Input params:
channel : name of digital channel. E.g. "Dev2/port1/line0"
value=0 : starting value of the output.
'''
self._relay = DigitalOutputTask()
self._relay.create_channel(channel)
self.set(value)
def set(self, value):
''' Set the output of the digital channel
Input params:
value : set output to this [0, 1]
'''
if value in [0, 1]:
self.value = value
self._relay.write(self.value,auto_start=True,timeout=1)
else:
raise(ValueError)
def toggle(self):
''' Toggle the relay between the two possible valies'''
self.set(1-self.value)
def __init__(self, channel, value=0):
''' Simple relay class
Input params:
channel : name of digital channel. E.g. "Dev2/port1/line0"
value=0 : starting value of the output.
'''
self._relay = DigitalOutputTask()
self._relay.create_channel(channel)
self.set(value)
from nidaqmx import DigitalOutputTask
import numpy as np
task = DigitalOutputTask()
task.create_channel('Dev1/port0/line0')
task2 = DigitalOutputTask()
task2.create_channel('Dev1/port0/line1')
#task.configure_timing_sample_clock()
#data = np.ones(1000)
def runner(parser, options, args):
task = DigitalOutputTask()
print 'Created DigitalOutputTask %s (task.value=%s)' % (task, task.value)
args, kws = get_method_arguments('create_channel', options)
print 'create_channel', kws
task.create_channel(**kws)
channels = task.get_names_of_channels()
if not channels:
print 'No channels specified'
return
args, kws = get_method_arguments('ao_write', options)
layout = kws.get('layout', 'group_by_scan_number')
if not options.do_write_auto_start:
task.start()
if options.do_task == 'tenfive':
try:
for n in range(options.do_task_duration):
if n % 2:
data = np.array([1, 0, 1, 0], dtype=np.uint8)
else:
data = np.array([0, 1, 0, 1], dtype=np.uint8)
task.write(data.ravel(), **kws)
time.sleep(1)
except KeyboardInterrupt:
print 'Caught Ctrl-C.'
task.stop()
del task
return
if options.do_task == 'scalar0':
data = np.uint8(0)
elif options.do_task == 'scalar1':
data = np.uint8(1)
elif options.do_task == 'ten': # 1010
data = np.array([1, 0, 1, 0], dtype=np.uint8)
else:
raise ` options.do_task `
if layout == 'group_by_scan_number':
data = data.T
print 'samples available/written per channel= %s/%s ' % (
data.size // len(channels), task.write(data.ravel(), **kws))
try:
time.sleep(options.do_task_duration)
except KeyboardInterrupt:
print 'Caught Ctrl-C.'
task.stop()
del task
def runner (parser, options, args):
task = DigitalOutputTask()
print('Created DigitalOutputTask %s (task.value=%s)' % (task, task.value))
args, kws = get_method_arguments('create_channel', options)
print('create_channel', kws)
task.create_channel (**kws)
channels = task.get_names_of_channels()
if not channels:
print('No channels specified')
return
args, kws = get_method_arguments('ao_write', options)
layout = kws.get('layout', 'group_by_scan_number')
if not options.do_write_auto_start:
task.start()
if options.do_task=='tenfive':
try:
for n in range(options.do_task_duration):
if n%2:
data = np.array([1,0,1,0], dtype=np.uint8)
else:
data = np.array([0,1,0,1], dtype=np.uint8)
task.write (data.ravel (), **kws)
time.sleep(1)
except KeyboardInterrupt:
print('Caught Ctrl-C.')
task.stop ()
del task
return
if options.do_task=='scalar0':
data = np.uint8(0)
elif options.do_task=='scalar1':
data = np.uint8(1)
elif options.do_task=='ten': # 1010
data = np.array([1,0,1,0], dtype=np.uint8)
else:
raise NotImplementedError (repr(options.do_task))
if layout=='group_by_scan_number':
data = data.T
print('samples available/written per channel= %s/%s ' % (data.size//len(channels), task.write(data.ravel(), **kws)))
try:
time.sleep (options.do_task_duration)
except KeyboardInterrupt:
print('Caught Ctrl-C.')
task.stop ()
del task
from nidaqmx import DigitalOutputTask
import numpy as np
task = DigitalOutputTask()
task.create_channel('Dev1/port0/line0')
task2 = DigitalOutputTask()
task2.create_channel('Dev1/port0/line1')
#task.configure_timing_sample_clock()
#data = np.ones(1000)
