def handle_job_update(msg, methods=['GET', 'POST']):
if msg['action'] == "connect":
addr = msg['addr']
res = u.Connect(timeout=5, addrss=addr)
connection_lock.acquire()
INFO['SERVER_CONNECTED'] = res
connection_lock.release()
socketio.emit('connect_resopnse', json.dumps({'response': int(res)}))
elif msg['action'] == "disconnect":
u.Disconnect()
connection_lock.acquire()
INFO['SERVER_CONNECTED'] = False
connection_lock.release()
socketio.emit('connect_resopnse', json.dumps({'response': int(False)}))
elif msg['action'] == "ping":
pass # requires server dev
elif msg['action'] == "restart":
pass # requires server dev
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()
#measure line delay
filename = u.measure_line_delay(seed_rate,
seed_rf,
str(args.frontend),
USRP_num=0,
tx_gain=0,
rx_gain=0,
output_filename=None,
compensate=True,
duration=0.1)
delay = u.analyze_line_delay(filename, True)
parser.add_argument('--bandwidth', '-bw', help='Rate in which the single VNA is flat. considered plus/minus', type=float, default = 10)
parser.add_argument('--start', '-f', help='Starting frequency in MHz', type=float, default = 200)
parser.add_argument('--to', '-t', help='Ending frequency in MHz', type=float, default = 1000)
parser.add_argument('--points', '-p', help='Number of points per scan', type=float, default = 10000)
parser.add_argument('--iter', '-i', help='How many iterations to perform', type=float, default=1)
parser.add_argument('--frontend', '-fr', help='front-end character: A or B', type=str, default="A")
parser.add_argument('--time', '-tt', help='Duration of the scan in seconds per iteration', type=float, default=2)
parser.add_argument('--folder', '-fn', help='Name of the folder in which the data will be stored', type=str, default = "data")
args = parser.parse_args()
os.chdir(args.folder)
#find number of intervals:
n_int = np.abs(args.start - args.to)/args.bandwidth + 1
rf_0 = args.start + args.bandwidth
u.Connect()
print "initializing delay..."
blockPrint()
try:
if u.LINE_DELAY[str(int(args.rate))]: pass
except KeyError:
print "Cannot find line delay. Measuring line delay before VNA:"
filename = u.measure_line_delay(
args.rate*1e6, rf_0, args.frontend, USRP_num=0, tx_gain=0, rx_gain=0, output_filename=None, compensate = True, duration = 0.01)
delay = u.analyze_line_delay(filename, True)
u.write_delay_to_file(filename, delay)