def test_TriggerAccumulator():
app = pg.mkQApp()
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel,
sample_interval=1. / sample_rate,
chunksize=chunksize,
buffer=buffer)
dev.output.configure(protocol='tcp',
interface='127.0.0.1',
transfermode='plaindata',
dtype='float32')
dev.initialize()
trigger = AnalogTrigger()
trigger.configure()
trigger.input.connect(dev.output)
trigger.output.configure(protocol='tcp',
interface='127.0.0.1',
transfermode='plaindata')
trigger.initialize()
trigger.params['threshold'] = 1.
trigger.params['debounce_mode'] = 'no-debounce'
trigger.params['front'] = '+'
trigger.params['debounce_time'] = 0.1
triggeraccumulator = TriggerAccumulator()
triggeraccumulator.configure(max_stack_size=5)
triggeraccumulator.inputs['signals'].connect(dev.output)
triggeraccumulator.inputs['events'].connect(trigger.output)
triggeraccumulator.initialize()
triggeraccumulator.params['stack_size'] = 3
triggeraccumulator.params['left_sweep'] = -.2
triggeraccumulator.params['right_sweep'] = .5
#~ def on_new_chunk(total_trig):
#~ print
#~ print('total_trig', total_trig)
#~ print('triggeraccumulator.stack', triggeraccumulator.stack)
#~ print('triggeraccumulator.total_trig', triggeraccumulator.total_trig)
#~ triggeraccumulator.new_chunk.connect(on_new_chunk)
dev.start()
trigger.start()
triggeraccumulator.start()
def terminate():
dev.stop()
trigger.stop()
triggeraccumulator.stop()
app.quit()
# start for a while
timer = QtCore.QTimer(singleShot=True, interval=6000)
timer.timeout.connect(terminate)
timer.start()
app.exec_()
assert triggeraccumulator.total_trig == 6
def do_filtertest(engine):
app = pg.mkQApp()
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel,
sample_interval=1. / sample_rate,
chunksize=chunksize,
buffer=buffer)
dev.output.configure(**stream_spec)
dev.initialize()
f1, f2 = 40., 60.
coefficients = scipy.signal.iirfilter(
7, [f1 / sample_rate * 2, f2 / sample_rate * 2],
btype='bandpass',
ftype='butter',
output='sos')
filter = OverlapFiltfilt()
filter.configure(coefficients=coefficients,
engine=engine,
chunksize=chunksize,
overlapsize=overlapsize)
filter.input.connect(dev.output)
filter.output.configure(**stream_spec)
filter.initialize()
viewer = QOscilloscope()
viewer.configure(with_user_dialog=True)
viewer.input.connect(filter.output)
viewer.initialize()
viewer.show()
viewer2 = QOscilloscope()
viewer2.configure(with_user_dialog=True)
viewer2.input.connect(dev.output)
viewer2.initialize()
viewer2.show()
viewer2.start()
viewer.start()
filter.start()
dev.start()
def terminate():
dev.stop()
filter.stop()
viewer.stop()
viewer2.stop()
app.quit()
# start for a while
timer = QtCore.QTimer(singleShot=True, interval=3000)
timer.timeout.connect(terminate)
timer.start()
app.exec_()
def do_filtertest(engine):
stream_spec = dict(protocol='tcp', interface='127.0.0.1', transfermode='sharedmem',
double=True, dtype = 'float32',buffer_size=2048*50, shape=(-1,nb_channel))
app = pg.mkQApp()
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel, sample_interval=1./sample_rate, chunksize=chunksize,
buffer=buffer)
dev.output.configure( **stream_spec)
dev.initialize()
f1, f2 = 40., 60.
coefficients = scipy.signal.iirfilter(7, [f1/sample_rate*2, f2/sample_rate*2],
btype = 'bandpass', ftype = 'butter', output = 'sos')
filter = SosFilter()
filter.configure(coefficients = coefficients, engine=engine, chunksize=chunksize)
filter.input.connect(dev.output)
filter.output.configure(**stream_spec)
filter.initialize()
viewer = QOscilloscope()
viewer.configure(with_user_dialog=True)
viewer.input.connect(filter.output)
viewer.initialize()
viewer.show()
viewer2 = QOscilloscope()
viewer2.configure(with_user_dialog=True)
viewer2.input.connect(dev.output)
viewer2.initialize()
viewer2.show()
viewer2.start()
viewer.start()
filter.start()
dev.start()
def terminate():
dev.stop()
filter.stop()
viewer.stop()
viewer2.stop()
app.quit()
# start for a while
timer = QtCore.QTimer(singleShot=True, interval=3000)
timer.timeout.connect(terminate)
timer.start()
app.exec_()
def setup_nodes():
#fake analog stream
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel, sample_interval=1./sample_rate, chunksize=chunksize, buffer=buffer)
dev.output.configure(protocol='tcp', interface='127.0.0.1', transfermode='plaindata', dtype='float32')
dev.initialize()
# trigger
trigger = AnalogTrigger()
trigger.configure()
trigger.input.connect(dev.output)
trigger.output.configure(protocol='tcp', interface='127.0.0.1', transfermode='plaindata')
trigger.initialize()
trigger.params['threshold'] = 1.
trigger.params['front'] = '+'
return dev, trigger
def do_filtertest(engine):
stream_spec = dict(protocol='tcp', interface='127.0.0.1', transfermode='sharedmem',
double=True, dtype = 'float32',buffer_size=2048*50, shape=(-1,nb_channel))
app = pg.mkQApp()
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel, sample_interval=1./sample_rate, chunksize=chunksize,
buffer=buffer)
dev.output.configure( **stream_spec)
dev.initialize()
f1, f2 = 40., 60.
coefficients = scipy.signal.iirfilter(7, [f1/sample_rate*2, f2/sample_rate*2],
btype = 'bandpass', ftype = 'butter', output = 'sos')
filter = SosFilter()
filter.configure(coefficients = coefficients, engine=engine, chunksize=chunksize)
filter.input.connect(dev.output)
filter.output.configure(**stream_spec)
filter.initialize()
viewer = QOscilloscope()
viewer.configure(with_user_dialog=True)
viewer.input.connect(filter.output)
viewer.initialize()
viewer.show()
viewer2 = QOscilloscope()
viewer2.configure(with_user_dialog=True)
viewer2.input.connect(dev.output)
viewer2.initialize()
viewer2.show()
viewer2.start()
viewer.start()
filter.start()
dev.start()
def terminate():
dev.stop()
filter.stop()
viewer.stop()
viewer2.stop()
app.quit()
# start for a while
timer = QtCore.QTimer(singleShot=True, interval=3000)
timer.timeout.connect(terminate)
timer.start()
app.exec_()
def test_TriggerAccumulator():
app = pg.mkQApp()
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel, sample_interval=1./sample_rate, chunksize=chunksize,
buffer=buffer, timeaxis=1,)
dev.output.configure(protocol='tcp', interface='127.0.0.1', transfermode='sharedarray',
sharedarray_shape=(nb_channel, 2048*50), ring_buffer_method = 'double', timeaxis = 1,
dtype = 'float32')
dev.initialize()
trigger = AnalogTrigger()
trigger.configure()
trigger.input.connect(dev.output)
trigger.output.configure(protocol='tcp', interface='127.0.0.1', transfermode='plaindata')
trigger.initialize()
trigger.params['threshold'] = 1.
trigger.params['debounce_mode'] = 'no-debounce'
trigger.params['front'] = '+'
trigger.params['debounce_time'] = 0.1
triggeraccumulator = TriggerAccumulator()
triggeraccumulator.configure(max_stack_size = 5)
triggeraccumulator.inputs['signals'].connect(dev.output)
triggeraccumulator.inputs['events'].connect(trigger.output)
triggeraccumulator.initialize()
triggeraccumulator.params['stack_size'] = 3
triggeraccumulator.params['left_sweep'] = -.2
triggeraccumulator.params['right_sweep'] = .5
#~ def on_new_chunk(total_trig):
#~ print
#~ print('total_trig', total_trig)
#~ print('triggeraccumulator.stack', triggeraccumulator.stack)
#~ print('triggeraccumulator.total_trig', triggeraccumulator.total_trig)
#~ triggeraccumulator.new_chunk.connect(on_new_chunk)
dev.start()
trigger.start()
triggeraccumulator.start()
def terminate():
dev.stop()
trigger.stop()
triggeraccumulator.stop()
app.quit()
# start for a while
timer = QtCore.QTimer(singleShot=True, interval=5000)
timer.timeout.connect(terminate)
timer.start()
app.exec_()
assert triggeraccumulator.total_trig==6
def setup_nodes():
#fake analog stream
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel,
sample_interval=1. / sample_rate,
chunksize=chunksize,
buffer=buffer)
dev.output.configure(protocol='tcp',
interface='127.0.0.1',
transfermode='plaindata',
dtype='float32')
dev.initialize()
# trigger
trigger = AnalogTrigger()
trigger.configure()
trigger.input.connect(dev.output)
trigger.output.configure(protocol='tcp',
interface='127.0.0.1',
transfermode='plaindata')
trigger.initialize()
trigger.params['threshold'] = 1.
trigger.params['front'] = '+'
return dev, trigger
def do_filtertest(engine):
app = pg.mkQApp()
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel, sample_interval=1./sample_rate, chunksize=chunksize,
buffer=buffer)
dev.output.configure(**stream_spec)
dev.initialize()
f1, f2 = 40., 60.
coefficients = scipy.signal.iirfilter(7, [f1/sample_rate*2, f2/sample_rate*2],
btype = 'bandpass', ftype = 'butter', output = 'sos')
filter = OverlapFiltfilt()
filter.configure(coefficients = coefficients, engine=engine, chunksize=chunksize, overlapsize=overlapsize)
filter.input.connect(dev.output)
filter.output.configure(**stream_spec)
filter.initialize()
viewer = QOscilloscope()
viewer.configure(with_user_dialog=True)
viewer.input.connect(filter.output)
viewer.initialize()
viewer.show()
viewer2 = QOscilloscope()
viewer2.configure(with_user_dialog=True)
viewer2.input.connect(dev.output)
viewer2.initialize()
viewer2.show()
viewer2.start()
viewer.start()
filter.start()
dev.start()
def terminate():
dev.stop()
filter.stop()
viewer.stop()
viewer2.stop()
app.quit()
# start for a while
timer = QtCore.QTimer(singleShot=True, interval=3000)
timer.timeout.connect(terminate)
timer.start()
app.exec_()
def setup_nodes():
#fake analog stream
dev = NumpyDeviceBuffer()
dev.configure(nb_channel=nb_channel, sample_interval=1./sample_rate, chunksize=chunksize,
buffer=buffer, timeaxis=1,)
dev.output.configure(protocol='tcp', interface='127.0.0.1', transfermode='sharedarray',
sharedarray_shape=(nb_channel, 2048*50), ring_buffer_method = 'double', timeaxis = 1,
dtype = 'float32')
dev.initialize()
# trigger
trigger = AnalogTrigger()
trigger.configure()
trigger.input.connect(dev.output)
trigger.output.configure(protocol='tcp', interface='127.0.0.1', transfermode='plaindata')
trigger.initialize()
trigger.params['threshold'] = 1.
trigger.params['front'] = '+'
return dev, trigger
