if trigger is not None:
try:
trigger = eval('u.' + trigger + '()')
except SyntaxError:
u.print_error(
"Cannot find the trigger \'%s\'. Is it implemented in the USRP_triggers module?"
% trigger)
return ""
except AttributeError:
u.print_error(
"Cannot find the trigger \'%s\'. Is it implemented in the USRP_triggers module?"
% trigger)
return ""
#replicate the VNA measure (WARNING: DOES NOT SUPPORT ITERATIONS)
u.print_debug("Replicating seed VNA measure to ensure phase coherency...")
VNA_seed_info = u.get_rx_info(args.VNA, ant=ant)
seed_rf, seed_tones = u.get_tones(args.VNA)
seed_start_f = VNA_seed_info['freq'][0]
seed_end_f = VNA_seed_info['chirp_f'][0]
seed_measure_t = VNA_seed_info['chirp_t'][0]
seed_points = VNA_seed_info['swipe_s'][0]
seed_gain = VNA_seed_info['gain']
seed_rate = VNA_seed_info['rate']
seed_ntones = len(seed_tones) + len(guard_tones)
u.print_debug("Adjusting power for %d tone readout..." % seed_ntones)
if not u.Connect():
u.print_error("Cannot find the GPU server!")
exit()
except OSError:
pass
os.chdir(args.folder)
if not u.Connect():
u.print_error("Cannot find the GPU server!")
exit()
if np.abs(args.f0) > args.rate / 2:
u.print_warning(
"Cannot use initial baseband frequency of %.2f MHz with a data rate of %.2f MHz"
% (args.f0, args.rate))
f0 = args.rate / 2 * (np.abs(args.f0) / args.f0)
u.print_debug(
"Setting maximum initial baseband scan frequency to %.2f MHz" %
(f0))
else:
f0 = args.f0
if np.abs(args.f1) > args.rate / 2:
u.print_warning(
"Cannot use initial baseband frequency of %.2f MHz with a data rate of %.2f MHz"
% (args.f1, args.rate))
f1 = args.rate / 2 * (np.abs(args.f1) / args.f1)
u.print_debug(
"Setting maximum initial baseband scan frequency to %.2f MHz" %
(f1))
else:
f1 = args.f1
# Data acquisition
'-tr',
help=
'String describing the trigger to use. Default is no trigger. Use the name of the trigger classes defined in the trigger module with no parentesis',
type=str)
args = parser.parse_args()
try:
os.mkdir(args.folder)
except OSError:
pass
os.chdir(args.folder)
if args.VNA is not None:
rf_freq, tones = u.get_tones(args.VNA)
u.print_debug("getting %d tones from %s" % (len(tones), args.VNA))
else:
if args.random is not None:
tones = [
random.randint(-args.rate / 2., -args.rate / 2.)
for c in range(args.random)
]
else:
try:
if args.tones is not None:
tones = [float(x) for x in args.tones]
tones = np.asarray(tones) * 1e6
else:
tones = []
except ValueError:
u.print_error("Cannot convert tone argument.")
parser.add_argument('--decimation', '-d', help='Decimation factor required', type=float, default=100)
parser.add_argument('--time', '-t', help='Duration of the scan in seconds', type=float, default=10)
parser.add_argument('--VNA', '-vna', help='VNA file containing the resonators. Relative to the specified folder above.', type=str)
args = parser.parse_args()
try:
os.mkdir(args.folder)
except OSError:
pass
os.chdir(args.folder)
if args.VNA is not None:
rf_freq_A, tones_A = u.get_tones(args.VNA,frontends = 'A_RX2')
u.print_debug("getting %d tones from %s frontend A" % (len(tones_A),args.VNA))
rf_freq_B, tones_B = u.get_tones(args.VNA,frontends = 'B_RX2')
u.print_debug("getting %d tones from %s frontend B" % (len(tones_B),args.VNA))
else:
try:
tones_A = [float(x) for x in args.tones_A]
tones_A = np.asarray(tones_A)*1e6
tones_B = [float(x) for x in args.tones_B]
tones_B = np.asarray(tones_B)*1e6
except ValueError:
u.print_error("Cannot convert tone arfreqgument.")
rf_freq_A = args.freq_A*1e6
rf_freq_B = args.freq_A*1e6
