def initialise_Roaches(self):
""" Read the configuration info from the config file, and initialise connections """
args = sys.argv[1:]
if args==[]:
print 'Please specify a configuration file! \nExiting.'
exit()
lh=log_handlers.DebugLogHandler()
# Parse the config file and connect to the ROACHs
print 'Loading configuration file and connecting...',
self.im = medInstrument.fEngine(args[0],lh,program=False)
print 'done'
self.Nchans = self.im.config.fengine.n_chan
self.Nants_real = self.im.config.fengine.n_ants_sp
self.is_dual_pol = (self.im.config.fengine.pols_per_ant==2)
self.Nants = self.Nants_real
self.int_len = self.im.config.xengine.xeng_acc_len
# Populate listview
self.fpgaListItems=[]
self.antListItems=[]
for fn, fpga in enumerate(self.im.fpgas):
x = gui.QListWidgetItem()
x.setText("FPGA %d" %(fn))
x.fpga_index = fn
self.fpgaListItems.append(x)
self.mainWidget.fpgaList.addItem(x)
for i in range(self.Nants_real):
x = gui.QListWidgetItem()
x.setText("Antenna %d" % i)
x.ant_index = i
self.antListItems.append(x)
self.mainWidget.antennaList.addItem(x)
self.plot_types = ['fft','amp EQ', 'phase EQ', 'quantised (seng)', 'quantised (xeng)']
self.add_plot_types()
p.add_option('-r', '--chan_range', dest='chan_range', default='0_-1',
help='Use this flag to limit calculation and uploading of coefficients in the channel range <start_chan>_<end_chan>. Default: 0_-1 (use all)')
p.add_option('-t', '--tolerance', dest='tolerance', type='float', default=0.02,
help='Fractional error allowed in the EQ. Default: 0.02')
opts, args = p.parse_args(sys.argv[1:])
if args==[]:
print 'Please specify a configuration file! \nExiting.'
exit()
lh=log_handlers.DebugLogHandler()
try:
print ' Connecting...',
im = medInstrument.fEngine(args[0],lh,program=False)
print 'done'
start_t = time.time()
Nchans = im.fConf.n_chan
Nants = im.fConf.n_ants_sp
Npols = im.fConf.pols_per_ant
# Initialise Amp EQ brams
print ''' Getting Current Amplitude Equalization...'''
im.eq_init_amp(load_pickle=True)
#We can now access coefficients via im.eq_amp.coeff['master'][n_ant,n_pol(x:0,y:1),nchan]
# Set up snap blocks
print ''' Initialising Snap blocks...'''
help='Be verbose about errors.')
opts, args = p.parse_args(sys.argv[1:])
if args==[]:
print 'Please specify a configuration file! \nExiting.'
exit()
verbose=opts.verbose
lh=log_handlers.DebugLogHandler()
try:
print 'Loading configuration file and connecting...',
xeng=medInstrument.xEngine(args[0],lh,program=False)
print 'done'
feng=medInstrument.fEngine(args[0],lh,program=False,check_adc=False)
print 'Loading source observation file...'
src=xmlParser.xmlObject(args[1]).xmlobj
print 'done'
print ''' Issuing static metadata...''',
sys.stdout.flush()
xeng.spead_static_meta_issue()
print 'SPEAD packet sent.'
print ''' Issuing timing metadata...''',
sys.stdout.flush()
xeng.spead_time_meta_issue()
print 'SPEAD packet sent.'
p.set_description(__doc__)
p.add_option('-v', '--verbose', dest='verbose',action='store_true', default=False,
help='Be verbose about errors.')
opts, args = p.parse_args(sys.argv[1:])
if args==[]:
print 'Please specify a configuration file! \nExiting.'
exit()
verbose=opts.verbose
lh=log_handlers.DebugLogHandler()
try:
print 'Loading configuration file and connecting...',
inst=medInstrument.fEngine(args[0],lh)
print 'done'
# SET INITIAL EQUALIZATION LEVELS
print ''' Setting X-Engine Amplitude Equalization...''',
inst.eq_set_default_all('xengine','amp',verbose=False)
time.sleep(0.1)
sys.stdout.flush()
print 'done.'
except KeyboardInterrupt:
exit_clean()
except:
exit_fail()
