def runner(parser, options, args):
task = AnalogOutputTask()
args, kws = get_method_arguments('create_voltage_channel', options)
phys_channel = kws['phys_channel']
task.create_voltage_channel(**kws)
channels = task.get_names_of_channels()
if not channels:
print 'No channels specified'
return
args, kws = get_method_arguments('configure_timing_sample_clock', options)
clock_rate = kws.get('rate', 1000.0)
if not task.configure_timing_sample_clock(**kws):
return
args, kws = get_method_arguments('ao_write', options)
layout = kws.get('layout', 'group_by_scan_number')
if options.ao_task == 'sin':
min_val = task.get_min(phys_channel)
max_val = task.get_max(phys_channel)
samples_per_channel = clock_rate / len(channels)
x = np.arange(samples_per_channel,
dtype=float) * 2 * np.pi / samples_per_channel
data = []
for index, channel in enumerate(channels):
data.append(0.5 * (max_val + min_val) + 0.5 * (max_val - min_val) *
np.sin(x - 0.5 * index * np.pi / len(channels)))
data = np.array(data)
if layout == 'group_by_scan_number':
data = data.T
else:
raise NotImplementedError( ` options.ai_task `)
print 'samples available/written per channel= %s/%s ' % (
data.size // len(channels), task.write(data.ravel(), **kws))
if not options.ao_write_auto_start:
task.start()
try:
time.sleep(options.ao_task_duration)
except KeyboardInterrupt, msg:
print 'Caught Ctrl-C.'
def runner (parser, options, args):
task = AnalogOutputTask()
args, kws = get_method_arguments('create_voltage_channel', options)
phys_channel = kws['phys_channel']
task.create_voltage_channel (**kws)
channels = task.get_names_of_channels()
if not channels:
print('No channels specified')
return
args, kws = get_method_arguments('configure_timing_sample_clock', options)
clock_rate = kws.get('rate', 1000.0)
if not task.configure_timing_sample_clock(**kws):
return
args, kws = get_method_arguments('ao_write', options)
layout = kws.get('layout', 'group_by_scan_number')
if options.ao_task=='sin':
min_val = task.get_min(phys_channel)
max_val = task.get_max(phys_channel)
samples_per_channel = clock_rate / len(channels)
x = np.arange(samples_per_channel, dtype=float)*2*np.pi/samples_per_channel
data = []
for index, channel in enumerate(channels):
data.append(0.5*(max_val+min_val) + 0.5*(max_val-min_val)*np.sin(x-0.5*index*np.pi/len(channels)))
data = np.array(data)
if layout=='group_by_scan_number':
data = data.T
else:
raise NotImplementedError (repr(options.ao_task))
print('samples available/written per channel= %s/%s ' % (data.size//len(channels), task.write(data.ravel(), **kws)))
if not options.ao_write_auto_start:
task.start()
try:
time.sleep(options.ao_task_duration)
except KeyboardInterrupt as msg:
print('Caught Ctrl-C.')
task.stop()
del task
