def filter_analog1():
streamhandler = StreamHandler()
# Configure and start
dev = FakeMultiSignals(streamhandler = streamhandler)
dev.configure( nb_channel = 2,
sampling_rate =10000.,
buffer_length = 30.,
packet_size = 100,
last_channel_is_trig = True,
)
dev.initialize()
dev.start()
dev2 = FakeDigital(streamhandler = streamhandler)
dev2.configure(
nb_channel = 30,
sampling_rate =10000.,
buffer_length = 30.,
packet_size = 100,
)
dev2.initialize()
dev2.start()
filter = BandPassFilter(stream = dev.streams[0],
streamhandler= streamhandler,
autostart = False,
f_start =0.,
f_stop = dev.streams[0].sampling_rate/10./2.,
)
decimator = SimpleDecimator( filter.out_stream,
streamhandler= streamhandler,
downsampling_factor = 10,
autostart = False,
)
decimator2 = SimpleDecimator( dev2.streams[0],
streamhandler= streamhandler,
downsampling_factor = 10,
autostart = False,
)
print decimator2.out_stream._params
app = QtGui.QApplication([])
filter.start()
decimator.start()
decimator2.start()
visibles = np.ones(dev.nb_channel, dtype = bool)
visibles[1:] = False
w1=Oscilloscope(stream = dev.streams[0])
w2=Oscilloscope(stream = filter.out_stream)
w3=Oscilloscope(stream = decimator.out_stream)
w4 = OscilloscopeDigital(stream = dev2.streams[0])
w5 = OscilloscopeDigital(stream = decimator2.out_stream)
time.sleep(.5)
for w in [w1, w2, w3]:
w.auto_gain_and_offset(mode = 0)
w.set_params(xsize = 1.,
mode = 'scan',
visibles = visibles,
ylims = [-5,5]
)
w.show()
for w in [w4, w5]:
w.set_params(xsize = 1.,
mode = 'scan',
)
w.show()
app.exec_()
w1.stop()
w2.stop()
dev.stop()
dev.close()
def filter_analog1():
streamhandler = StreamHandler()
# Configure and start
dev = FakeMultiSignals(streamhandler = streamhandler)
dev.configure( nb_channel = 64,
sampling_rate =10000.,
buffer_length = 30.,
packet_size = 100,
last_channel_is_trig = True,
)
dev.initialize()
dev.start()
filter = BandPassFilter(stream = dev.streams[0],
streamhandler= streamhandler,
autostart = False)
app = QtGui.QApplication([])
filter.start()
time.sleep(.2)
filter.set_params(f_start = 300., f_stop =np.inf)
time.sleep(.2)
filter.set_params(f_start = 0., f_stop =40.3)
time.sleep(.2)
filter.set_params(f_start = 30., f_stop =70.)
visibles = np.ones(dev.nb_channel, dtype = bool)
visibles[1:] = False
w1=Oscilloscope(stream = dev.streams[0])
w2=Oscilloscope(stream = filter.out_stream)
time.sleep(.5)
for w in [w1, w2]:
w.auto_gain_and_offset(mode = 0)
w.set_params(xsize = 1.,
mode = 'scan',
visibles = visibles,
ylims = [-5,5]
)
w.show()
#~ w3=TimeFreq(stream = dev.streams[0])
#~ w4=TimeFreq(stream = filter.out_stream)
#~ for w in [w3, w4]:
#~ w.set_params(colormap = 'hot', visibles = visibles,
#~ xsize=30,
#~ nb_column = 1)
#~ w.show()
app.exec_()
w1.stop()
w2.stop()
dev.stop()
dev.close()