def setup_class(cls):
cls.ri = RoachHeterodyne(roachip=ROACH1_IP,
adc_valon=ROACH1_VALON,
host_ip=ROACH1_HOST_IP,
lo_valon=MockValon(),
initialize=False)
cls.ri.initialize(use_config=False)
def setup_class(cls):
cls.ri = Roach2Heterodyne(roachip=ROACH2_IP,
adc_valon=ROACH2_VALON,
host_ip=ROACH2_GBE_HOST_IP,
lo_valon=MockValon(),
initialize=False)
cls.ri.initialize(use_config=False)
cls.ri.set_loopback(True)
cls.ri.set_fft_gain(0)
def test_heterodyne_sweep():
num_tones = 16
num_waveforms = 2**5
num_tone_samples = 2**10
length_seconds = 0.1
ri = RoachHeterodyne(roach=MockRoach('roach'),
initialize=False,
adc_valon=MockValon())
ri.lo_frequency = 1000
center_frequencies = ri.lo_frequency + np.linspace(-100, 100, num_tones)
offsets = np.linspace(-20e-3, 20e-3, num_waveforms)
tone_banks = [center_frequencies + offset for offset in offsets]
state = {'something': 'something state'}
# Load waveforms one at a time.
sweep = acquire.run_sweep(ri=ri,
tone_banks=tone_banks,
num_tone_samples=num_tone_samples,
length_seconds=length_seconds,
state=state,
description="description")
assert len(sweep.stream_arrays) == num_waveforms
assert all([
stream_array.s21_raw.shape[0] == num_tones
for stream_array in sweep.stream_arrays
])
# Pre-load all waveforms.
acquire.load_heterodyne_sweep_tones(ri, tone_banks, num_tone_samples)
sweep = acquire.run_loaded_sweep(ri=ri,
length_seconds=length_seconds,
state=state,
description="description")
assert len(sweep.stream_arrays) == num_waveforms
assert all([
stream_array.s21_raw.shape[0] == num_tones
for stream_array in sweep.stream_arrays
])
def setup_class(cls):
cls.ri = Roach2Heterodyne(roach=MockRoach('roach'),
adc_valon=MockValon(),
lo_valon=MockValon(),
initialize=False)
def setup_class(cls):
cls.ri = Roach2Baseband(roach=MockRoach('roach'),
adc_valon=MockValon(),
initialize=False)