def __on_refresh(self, _event):
dlg = wx.BusyInfo('Please wait...')
try:
if self.device.isDevice:
sdr = rtlsdr.RtlSdr(self.device.indexRtl)
else:
sdr = RtlTcp(self.device.server, self.device.port, None)
sdr.set_sample_rate(SAMPLE_RATE)
sdr.set_center_freq(self.spinFreq.GetValue() * 1e6)
sdr.set_gain(self.spinGain.GetValue())
capture = sdr.read_samples(2 ** 21)
sdr.close()
except IOError as error:
if self.device.isDevice:
message = error.message
else:
message = error
dlg.Destroy()
dlg = wx.MessageDialog(self,
'Capture failed:\n{}'.format(message),
'Error',
wx.OK | wx.ICON_ERROR)
dlg.ShowModal()
dlg.Destroy()
return
self.__plot(capture)
dlg.Destroy()
def on_refresh(self, _event):
plot = []
dlg = wx.BusyInfo('Please wait...')
try:
if self.device.isDevice:
sdr = rtlsdr.RtlSdr(self.device.index)
else:
sdr = RtlTcp(self.device.server, self.device.port)
sdr.set_sample_rate(SAMPLE_RATE)
sdr.set_center_freq(self.spinFreq.GetValue() * 1e6)
sdr.set_gain(self.spinGain.GetValue())
capture = sdr.read_samples(2 ** 18)
sdr.close()
except IOError as error:
if self.device.isDevice:
message = error.message
else:
message = error
dlg.Destroy()
dlg = wx.MessageDialog(self,
'Capture failed:\n{0}'.format(message),
'Error',
wx.OK | wx.ICON_ERROR)
dlg.ShowModal()
dlg.Destroy()
return
powers, freqs = matplotlib.mlab.psd(capture,
NFFT=1024,
Fs=SAMPLE_RATE / 1e6,
window=matplotlib.numpy.hamming(1024))
for x, y in itertools.izip(freqs, powers):
x = x * SAMPLE_RATE / 2e6
plot.append((x, y))
plot.sort()
x, y = numpy.transpose(plot)
self.axes.clear()
self.band1 = None
self.band2 = None
self.axes.set_xlabel("Frequency (MHz)")
self.axes.set_ylabel('Level (dB)')
self.axes.set_yscale('log')
self.axes.plot(x, y, linewidth=0.4)
self.axes.grid(True)
self.draw_limits()
dlg.Destroy()
def __on_refresh(self, _event):
dlg = wx.BusyInfo('Please wait...')
try:
if self.device.isDevice:
sdr = rtlsdr.RtlSdr(self.device.indexRtl)
else:
sdr = RtlTcp(self.device.server, self.device.port, None)
sdr.set_sample_rate(SAMPLE_RATE)
sdr.set_center_freq(self.spinFreq.GetValue() * 1e6)
sdr.set_gain(self.spinGain.GetValue())
capture = sdr.read_samples(2**21)
sdr.close()
except IOError as error:
if self.device.isDevice:
message = error.message
else:
message = error
dlg.Destroy()
dlg = wx.MessageDialog(self, 'Capture failed:\n{}'.format(message),
'Error', wx.OK | wx.ICON_ERROR)
dlg.ShowModal()
dlg.Destroy()
return
self.__plot(capture)
dlg.Destroy()
