win = MainApplication(dut)
win.resize(1000, 600)
win.setWindowTitle("PYRF FFT Plot Example")
if len(sys.argv) > 1:
ip = sys.argv[1]
else:
ip, ok = QtGui.QInputDialog.getText(win, 'Open Device',
'Enter a hostname or IP address:')
dut.connect(ip)
# initialize WSA configurations
dut.reset()
dut.request_read_perm()
dut.freq(CENTER_FREQ)
dut.decimation(DECIMATION)
#dut.attenuator(ATTENUATOR)
dut.rfe_mode(RFE_MODE)
BANDWIDTH = dut.properties.FULL_BW[RFE_MODE]
# initialize plot
fft_plot = win.addPlot(title="Power Vs. Frequency")
# initialize x-axes limits
plot_xmin = (CENTER_FREQ) - (BANDWIDTH / 2)
plot_xmax = (CENTER_FREQ) + (BANDWIDTH / 2)
fft_plot.setLabel('left', text='Power', units='dBm', unitPrefix=None)
# initialize the y-axis of the plot
plot_ymin = -130
if event.text() == ';':
cmd, ok = QtGui.QInputDialog.getText(win, 'Enter SCPI Command',
'Enter SCPI Command:')
if ok:
if '?' not in cmd:
dut.scpiset(cmd)
win = MainApplication(dut)
win.resize(1000,600)
win.setWindowTitle("PYRF FFT Plot Example")
# initialize WSA configurations
dut.reset()
dut.request_read_perm()
dut.freq(CENTER_FREQ)
dut.decimation(DECIMATION)
dut.attenuator(ATTENUATOR)
dut.rfe_mode(RFE_MODE)
BANDWIDTH = dut.properties.FULL_BW[RFE_MODE]
# initialize plot
fft_plot = win.addPlot(title="Power Vs. Frequency")
# initialize x-axes limits
plot_xmin = (CENTER_FREQ) - (BANDWIDTH / 2)
plot_xmax = (CENTER_FREQ) + (BANDWIDTH / 2)
fft_plot.setLabel('left', text= 'Power', units = 'dBm', unitPrefix=None)
# initialize the y-axis of the plot
plot_ymin = -130
'fstart': (CENTER_FREQ - 1e6), # some value
'fstop': (CENTER_FREQ + 1e6), # some value
'amplitude': -100
}
REFLEVEL = None
#%%
dut = WSA()
dut.connect('169.254.16.253')
# initialize RTSA configurations
dut.reset()
dut.request_read_perm()
dut.rfe_mode(RFE_MODE)
dut.freq(CENTER_FREQ)
dut.attenuator(ATTENUATION)
dut.psfm_gain(GAIN)
dut.trigger(TRIGGER_SETTING)
#%%
bw = 40e6
fstart = CENTER_FREQ - bw / 2
fstop = CENTER_FREQ + bw / 2
#%%
startT = time()
avglist = [1, 5, 10, 50, 100, 500, 1000, 5000, 10000]
timelist = []
spectrum = []
#!/usr/bin/env python
import sys
from pyrf.devices.thinkrf import WSA
# connect to wsa
dut = WSA()
dut.connect(sys.argv[1])
# setup test conditions
dut.reset()
dut.request_read_perm()
dut.freq(2450e6)
# capture 1 packet
dut.capture(1024, 1)
# read until I get 1 data packet
while not dut.eof():
pkt = dut.read()
if pkt.is_data_packet():
break
# print I/Q data into i and q
for i, q in pkt.data:
print "%d,%d" % (i, q)
## Testing the capture with averages
#%%
# declare sweep constants
RBW = 10e3
F_CENTER = 5.12e9
SPAN = 5e6
TRIGGER_SETTING = {
'type': 'NONE',
'fstart': F_CENTER - SPAN / 2, # some value
'fstop': F_CENTER + SPAN / 2, # some value
'amplitude': -100
}
dut.freq(F_CENTER)
dut.trigger(TRIGGER_SETTING)
dut.scpiset(':SOUR:REF:PLL EXT')
# setup graph
fstart, fstop, spectra_data = capture_spectrum(dut, RBW, average=100)
fig = figure(1)
xvalues = np.linspace(fstart, fstop, len(spectra_data))
xlabel("Frequency")
ylabel("Amplitude")
# plot something
plot(xvalues, spectra_data, color='blue')
