from optparse import OptionParser
p = OptionParser()
p.set_usage('%prog [options] [CONFIG_FILE]')
p.set_description(__doc__)
p.add_option('-n',
'--noise',
dest='noise_switch',
action='store_true',
default=False,
help='Use the noise switches. Default = False')
opts, args = p.parse_args(sys.argv[1:])
if args == []:
config_file = None
else:
config_file = args[0]
# construct the correlator object, which will parse the config file and try and connect to
# the roaches
# If passive is True, the connections will be made without modifying
# control software. Otherwise, the connections will be made, the roaches will be programmed and control software will be reset to 0.
corr = AMI.AmiSbl(config_file=config_file, passive=True, skip_prog=True)
time.sleep(0.1)
for feng in corr.fengs:
feng.noise_switch_enable(opts.noise_switch)
print feng.host, feng.adc
print feng.get_adc_power()
ctrl.connect_sockets()
# first get some meta data, as this encodes the source name
# which we will use to name the output file
while (ctrl.try_recv() is None):
print "Waiting for meta data"
time.sleep(1)
print "Got meta data"
print "Current status", ctrl.meta_data.obs_status
print "Current source", ctrl.meta_data.obs_name
print "Current RA,dec", ctrl.meta_data.ra, ctrl.meta_data.dec
print "Current nsamp,HA", ctrl.meta_data.nsamp, ctrl.meta_data.ha_reqd
corr = AMI.AmiSbl(config_file=config_file, passive=True)
time.sleep(0.1)
xeng = corr.xengs[0]
# some initial values for the loop
cnt=0
datavec = np.zeros([corr.n_chans*corr.n_bands,corr.n_bls,corr.n_pols,2],dtype=np.int64)
current_obs = None
mcnt_old = xeng.read_uint('mcnt_lsb')
receiver_enable = False
last_meta_timestamp = time.time()
# Catch keyboard interrupt and kill signals (which are initiated by amisa over ssh)
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
while(True):
default=False,
help='Plot adc and spectra values')
opts, args = p.parse_args(sys.argv[1:])
if args == []:
config_file = None
else:
config_file = args[0]
# construct the correlator object, which will parse the config file and try and connect to
# the roaches
# If passive is True, the connections will be made without modifying
# control software. Otherwise, the connections will be made, the roaches will be programmed and control software will be reset to 0.
corr = AMI.AmiSbl(config_file=config_file,
passive=opts.passive,
skip_prog=opts.skip_prog)
time.sleep(0.1)
COARSE_DELAY = 16 * 10
if opts.phase_switch == -1:
#don't override
corr.set_phase_switches(override=None)
else:
corr.set_phase_switches(override=bool(opts.phase_switch))
corr.all_fengs('set_fft_shift', corr.c_correlator['fft_shift'])
corr.all_fengs('set_coarse_delay', COARSE_DELAY)
#corr.fengs[0].set_coarse_delay(COARSE_DELAY)
#corr.fengs[1].set_coarse_delay(COARSE_DELAY+100)
default=False,
help='Plot adc and spectra values')
opts, args = p.parse_args(sys.argv[1:])
if args == []:
config_file = None
else:
config_file = args[0]
# construct the correlator object, which will parse the config file and try and connect to
# the roaches
# If passive is True, the connections will be made without modifying
# control software. Otherwise, the connections will be made, the roaches will be programmed and control software will be reset to 0.
corr = AMI.AmiSbl(config_file=config_file,
verbose=True,
passive=opts.skip_prog)
time.sleep(0.1)
COARSE_DELAY = 16 * 10
corr.all_fengs('phase_switch_enable', opts.phase_switch)
corr.all_fengs('set_fft_shift', corr.c_correlator.getint('fft_shift'))
corr.all_fengs('set_coarse_delay', COARSE_DELAY)
#corr.fengs[0].set_coarse_delay(COARSE_DELAY)
#corr.fengs[1].set_coarse_delay(COARSE_DELAY+100)
corr.all_fengs('tvg_en', corner_turn=opts.tvg)
corr.all_xengs('set_acc_len')
if not opts.skip_arm:
print "Arming sync generators"
print "Sending manual sync?", opts.manual_sync