def run(continuous=True):
if continuous:
qwg.create_waveform_real('cos', wv_cos)
qwg.create_waveform_real('sin', wv_sin)
qwg.create_waveform_real('zero', wv_zero)
qwg.create_waveform_real('hi', wv_hi)
qwg.create_waveform_real('lo', wv_lo)
qwg.create_waveform_real('gauss', wv_gauss)
qwg.create_waveform_real('derivGauss', wv_deriv_gauss)
# qwg1.set('ch1_default_waveform', 'hi')
# qwg1.set('ch2_default_waveform', 'zero')
qwg.set('ch3_default_waveform', 'hi')
# qwg1.set('ch4_default_waveform', 'zero')
qwg.run_mode('CONt')
else: # codeword based
qwg.create_waveform_real('zero', wv_zero)
qwg.create_waveform_real('hi', wv_hi)
qwg.create_waveform_real('lo', wv_lo)
qwg.create_waveform_real('gauss', wv_gauss)
qwg.create_waveform_real('derivGauss', wv_deriv_gauss)
qwg.create_waveform_real('gauss2', wv_gauss2)
qwg.create_waveform_real('derivGauss2', wv_deriv_gauss2)
qwg.create_waveform_real('gaussNeg', -wv_gauss)
# segment 0: idle
qwg.set('ch1_default_waveform', 'zero')
qwg.set('ch2_default_waveform', 'zero')
qwg.set('ch3_default_waveform', 'zero')
qwg.set('ch4_default_waveform', 'zero')
# set some standard waveform to all codewords
for seg in range(8):
qwg.set('wave_ch{}_cw{:03}'.format(1, seg), wv_gauss)
qwg.set('wave_ch{}_cw{:03}'.format(2, seg), wv_deriv_gauss)
qwg.set('wave_ch{}_cw{:03}'.format(3, seg), wv_gauss2)
qwg.set('wave_ch{}_cw{:03}'.format(4, seg), wv_deriv_gauss2)
qwg.run_mode('CODeword')
qwg.ch_pair1_sideband_frequency.set(100e6)
qwg.ch_pair3_sideband_frequency.set(100e6)
qwg.sync_sideband_generators()
qwg.ch1_state.set(True)
qwg.ch2_state.set(True)
qwg.ch3_state.set(True)
qwg.ch4_state.set(True)
qwg.start()
# read back
qwg.get_operation_complete()
if 1:
if 0: # FIXME: fails
wv_cos_read_back = qwg.get_waveform_data_float('cos')
plt.plot(wv_cos_read_back)
plt.ylabel('cos')
plt.show()
# waveform upload performance
sizes = [100, 500, 1000, 1500, 2000, 2500]
nr_iter = 50
durations = []
mega_bytes_per_second = []
for size in sizes:
wv_test = Waveform.sin(fs, size, f)
qwg.get_operation_complete()
mark_start = time.perf_counter()
for i in range(nr_iter):
qwg.create_waveform_real(f'testSize{size}Nr{i}', wv_test)
qwg.get_operation_complete()
mark_end = time.perf_counter()
duration = (mark_end - mark_start) / nr_iter
durations.append(duration * 1e3)
mega_bytes_per_second.append(size * 4 / duration / 1e6)
print(sizes)
print(durations)
print(mega_bytes_per_second)
plt.figure(1)
plt.subplot(211)
plt.plot(sizes, durations, 'bs')
plt.xlabel('upload size [samples]')
plt.ylabel('duration per upload [ms]')
# plt.axis([0, 2600, 0, 5])
plt.subplot(212)
plt.plot(sizes, mega_bytes_per_second, 'g^')
plt.xlabel('upload size [samples]')
plt.ylabel('performance [MB/s]')
# plt.axis([0, 2600, 0, 20])
plt.show()
# list waveforms
print('WLIST size: ', qwg.get_wlist_size())
print('WLIST: ', qwg.get_wlist())
print('Identity: ', qwg.get_identity())
qwg.check_errors()
# create waveforms
sample_cnt = 96
fs = 1e9 # sampling frequency
f = fs / 32
# mu=30, sigma=10, dirAmpl=1.0 fits 64 samples nicely
mu = 30e-9
sigma = 10e-9
dir_ampl = 1.0
# mu2=15, sigma2=5, dirAmpl2=1.0 fits 64 samples nicely
mu2 = 15e-9
sigma2 = 5e-9
dir_ampl2 = 1.0
wv_cos = Waveform.cos(fs, sample_cnt, f)
wv_sin = Waveform.sin(fs, sample_cnt, f)
wv_zero = Waveform.DC(fs, sample_cnt)
wv_hi = Waveform.DC(fs, sample_cnt, 1.0)
wv_lo = Waveform.DC(fs, sample_cnt, -1.0)
wv_gauss = Waveform.gauss(fs, sample_cnt, mu, sigma)
wv_deriv_gauss = Waveform.derivGauss(fs, sample_cnt, mu, sigma, dir_ampl)
wv_gauss2 = Waveform.gauss(fs, sample_cnt, mu2, sigma2)
wv_deriv_gauss2 = Waveform.derivGauss(fs, sample_cnt, mu2, sigma2, dir_ampl2)
qwg = QWG('qwg_9', IPTransport('192.168.0.191'))
qwg.init()
def run(continuous=True):
if continuous: