def start_acc_scan(self, duration_tot_req):
"""Start recording ACC"""
self.scanresult['rec'].append('acc')
self.scanresult['acc'] = data_io.ScanRecInfo()
self.scanresult['acc'].set_stnid(self.get_stnid())
# Also duration of ACC sweep since each sb is 1 second.
dur1acc = modeparms.TotNrOfsb # Duration of one ACC
interv2accs = 7 # time between end of 1 ACC and start of next one
acc_cadence = dur1acc + interv2accs # =519s between start of 2 ACC
(nraccs, timrest) = divmod(duration_tot_req, acc_cadence)
if timrest > dur1acc:
nraccs += 1
duration_tot = nraccs * acc_cadence - interv2accs
if duration_tot != duration_tot_req:
print("""Note: will use total duration {}s to fit with ACC
cadence.""".format(duration_tot))
# Make sure swlevel=<2
self._lcu_interface.set_swlevel(2)
# Set CalServ.conf to dump ACCs:
self._lcu_interface.acc_mode(enable=True)
# Boot to swlevel 3 so the calserver service starts
self._lcu_interface.set_swlevel(3)
# Possibly make mock acc statistics:
if self.mockrun:
self._lcu_interface.mockstatistics('acc', 1.0, duration_tot)
return duration_tot
def record_obsprog(stationdriver, scan):
"""At starttime execute the observation program specified by the obsfun
method pointer and run with arguments specified by obsargs dict.
"""
scan_flat = dict(scan)
del scan_flat['beam']
for k in scan['beam'].keys():
scan_flat[k] = scan['beam'][k]
freqbndobj = modeparms.FreqSetup(scan['beam']['freqspec'])
scan_flat['freqbndobj'] = freqbndobj
prg = ObsPrograms(stationdriver)
obsfun, obsargs_sig = prg.getprogram(scan['obsprog'])
scan_flat['bfdsesdumpdir'] = stationdriver.bf_data_dir
# Map only args required by
obsargs = {k: scan_flat[k] for k in obsargs_sig}
# Setup Calibration tables on LCU:
CALTABLESRC = 'default' # FIXME put this in args
## (Only BST uses calibration tables)
# Choose between 'default' or 'local'
stationdriver.set_caltable(CALTABLESRC)
# Prepare for obs program.
try:
stationdriver.goto_observingstate()
except RuntimeError as e:
raise RuntimeError(e)
# Run the observation program:
obsinfolist = obsfun(**obsargs)
# Stop program beam
stationdriver.stop_beam()
scan_id = None
scanpath_scdat = None
scanresult = {}
if obsinfolist is not None:
datatype = 'sop:' + scan['obsprog']
scanrec = dataIO.ScanRecInfo()
scanrec.set_stnid(stationdriver.get_stnid())
scanrec.set_scanrecparms(datatype, freqbndobj.arg,
scan['duration_tot'],
scan['beam']['pointing'])
beamstarted = datetime.datetime.strptime(obsinfolist[0].filenametime,
"%Y%m%d_%H%M%S")
scan_id = stationdriver.get_scanid(beamstarted)
scanpath_scdat = os.path.join(stationdriver.scanpath, scan_id)
# Add caltables used
caltabinfos = stationdriver.get_caltableinfos(freqbndobj.rcumodes)
# Add obsinfos to scanrecs
for obsinfo in obsinfolist:
obsinfo.caltabinfos = caltabinfos
scanrec.add_obs(obsinfo)
# Move data to archive
stationdriver.movefromlcu(stationdriver.get_lcuDumpDir() + "/*.dat",
scanpath_scdat)
scanrec.path = scanpath_scdat
scanresult[datatype] = scanrec
scanresult['scan_id'] = scan_id
scanresult['scanpath_scdat'] = scanpath_scdat
return scanresult
def start_bfs_scan(self, starttime, freqsetup, duration_tot):
"""Start recording BFS data"""
caltabinfos = self.get_caltableinfos(freqsetup.rcumodes)
rspctl_cmds = [] # BFS doesn't use rspctl cmds
ldatinfo_bfs = data_io.LDatInfo('bfs', self.get_stnid(),
self.rcusetup_cmds, self.beamctl_cmds,
rspctl_cmds, caltabinfos)
scanpath_bfdat = os.path.join(self.bf_data_dir, self.scan_id)
lanesalloc = modeparms.getlanes(freqsetup.subbands_spw,
freqsetup.bits, freqsetup.nrlanes)
self.lanes = tuple(lanesalloc.keys())
if self._lcu_interface.stnid == 'UK902':
# FIXME
self.lanes = (0, 1) # UK902 only has 2 lanes
# Select only ports for lanes to be used
laneports = tuple(self.get_laneports()[i] for i in self.lanes)
datafiles, logfiles = \
self.dru_interface._rec_bf_proxy(laneports, duration_tot,
scanpath_bfdat,
starttime=starttime,
compress=False,
band=freqsetup.rcubands[0],
stnid=self.get_stnid())
bfsdatapaths = []
bfslogpaths = []
for lane in self.lanes:
datafileguess = datafiles.pop()
dumplogname = logfiles.pop()
if not datafileguess:
_outdumpdir, _outarg, datafileguess, dumplogname = \
bfbackend.bfsfilepaths(lane, starttime,
modeparms.band2rcumode(freqsetup.rcubands[0]),
scanpath_bfdat,
self.bf_port0,
self.get_stnid())
bfsdatapaths.append(datafileguess)
bfslogpaths.append(dumplogname)
# Duration of BFS not determinable via LCU commands so add this by hand
ldatinfo_bfs.duration_scan = duration_tot
# Set scanrecinfo
self.scanresult['rec'].append('bfs')
self.scanresult['bfs'] = data_io.ScanRecInfo()
self.scanresult['bfs'].set_stnid(self.get_stnid())
# No integration for BFS
self.scanresult['bfs'].set_scanrecparms('bfs', freqsetup.arg,
duration_tot,
ldatinfo_bfs.pointing,
integration=None)
return ldatinfo_bfs, bfsdatapaths, bfslogpaths
def start_bsx_scan(self, bsxtype, freqsetup, duration, integration=1.0):
"""\
Start BSX scanrec
"""
rcusetup_cmds = self.rcusetup_cmds
beamctl_cmds = self.beamctl_cmds
duration_tot = duration
ldatinfos = []
# Record statistic for duration_tot seconds
if bsxtype == 'bst' or bsxtype == 'sst':
caltabinfos = self.get_caltableinfos(freqsetup.rcumodes)
rspctl_cmds = self._lcu_interface.run_rspctl_statistics(
bsxtype, integration, duration_tot)
ldatinfos.append(
data_io.LDatInfo(bsxtype, self.get_stnid(),
rcusetup_cmds, beamctl_cmds, rspctl_cmds,
caltabinfos=caltabinfos,
septonconf=self.septonconf))
elif bsxtype == 'xst':
nrsubbands = freqsetup.nrsubbands()
duration_frq = None # FIXME set to desired value
if duration_frq is None:
if nrsubbands > 1:
duration_frq = integration
else:
duration_frq = duration_tot
# TODO Consider that specified duration is not the same as
# actual duration. Each step in frequency sweep take about 6s
# for 1s int.
(rep, _rst) = divmod(duration_tot, duration_frq * nrsubbands)
rep = int(rep)
if rep == 0:
warnings.warn(
"Total duration too short for 1 full repetition."
"Will increase total duration to get 1 full rep.")
duration_tot = duration_frq * nrsubbands
rep = 1
# Repeat rep times (freq sweep)
for _itr in range(rep):
# Start freq sweep
for sb_rcumode in freqsetup.subbands_spw:
if ':' in sb_rcumode:
sblo, sbhi = sb_rcumode.split(':')
subbands = range(int(sblo), int(sbhi) + 1)
else:
subbands = [int(sb) for sb in sb_rcumode.split(',')]
for subband in subbands:
# Record data
rspctl_cmds = \
self._lcu_interface.run_rspctl_statistics(
bsxtype, integration, duration_frq, subband)
ldatinfos.append(
data_io.LDatInfo('xst',
self.get_stnid(),
rcusetup_cmds, beamctl_cmds,
rspctl_cmds,
septonconf=self.septonconf))
# Set scanrecinfo
self.scanresult['rec'].append('bsx')
self.scanresult['bsx'] = data_io.ScanRecInfo()
self.scanresult['bsx'].set_stnid(self.get_stnid())
self.scanresult['bsx'].set_scanrecparms(ldatinfos[0].ldat_type,
freqsetup.arg,
ldatinfos[0].duration_scan,
ldatinfos[0].pointing,
ldatinfos[0].integration)
return ldatinfos