# process the range argument
plotrange = [int(a) for a in args.range.split(',')]
if plotrange[0] == -1:
plotrange = (0, plotrange[1])
if (plotrange[1] != -1) and (plotrange[1] <= plotrange[0]):
raise RuntimeError('Plot range of %s is incorrect.' % str(plotrange))
plotrange = (int(plotrange[0]), int(plotrange[1]))
def exit_gracefully(_, __):
fpga.disconnect()
sys.exit(0)
signal.signal(signal.SIGINT, exit_gracefully)
# make the FPGA object
fpga = FpgaFHost(hostname)
time.sleep(0.5)
fpga.get_system_information()
def plot_func(figure, sub_plots, idata, ictr, pctr):
data = fpga.get_adc_snapshots()
ictr += 1
topstop = plotrange[1] if plotrange[1] != -1 else len(data['p0'].data)
p0_data = data['p0'].data[plotrange[0]:topstop]
p1_data = data['p1'].data[plotrange[0]:topstop]
# print '\tMean: %.10f' % numpy.mean(p0_data[1000:3000])
# print '\tStddev: %.10f' % numpy.std(p0_data[1000:3000])
# process the range argument
plotrange = [int(a) for a in args.range.split(',')]
if plotrange[0] == -1:
plotrange = (0, EXPECTED_FREQS)
if (plotrange[1] != -1) and (plotrange[1] <= plotrange[0]):
raise RuntimeError('Plot range of %s is incorrect.' % str(plotrange))
plotrange = (int(plotrange[0]), int(plotrange[1]))
def exit_gracefully(_, __):
fpga.disconnect()
sys.exit(0)
signal.signal(signal.SIGINT, exit_gracefully)
# make the FPGA object
fpga = FpgaFHost(hostname)
time.sleep(0.5)
fpga.get_system_information()
# set the FFT shift
if args.fftshift != -1:
fpga.registers.fft_shift.write_int(args.fftshift)
current_fft_shift = fpga.registers.fft_shift.read()['data']['fft_shift']
print 'Current FFT shift for %s is %i.' % (fpga.host, current_fft_shift)
# check the size of the snapshot blocks
snap0 = fpga.snapshots.snap_quant0_ss
nsamples = int(snap0.block_info['snap_nsamples'])
dwidth = int(snap0.block_info['snap_data_width'])
snapshot_bytes = (2**nsamples) * (dwidth/8)
print 'Snapshot is %i bytes long' % snapshot_bytes
raise RuntimeError('No such log level: %s' % log_level)
if 'CORR2INI' in os.environ.keys() and args.config == '':
args.config = os.environ['CORR2INI']
if args.config != '':
host_list = utils.parse_hosts(args.config, section='fengine')
else:
host_list = []
try:
hostname = host_list[int(args.host)]
logging.info('Got hostname %s from config file.' % hostname)
except ValueError:
hostname = args.host
f = FpgaFHost(hostname)
f.get_system_information()
# read the config
config = utils.parse_ini_file(args.config)
n_chans = int(config['fengine']['n_chans'])
n_xhost = len(config['xengine']['hosts'].split(','))
x_per_host = int(config['xengine']['x_per_fpga'])
NUM_FREQ = n_chans
FREQS_PER_X = NUM_FREQ / (n_xhost * x_per_host)
EXPECTED_PKT_LEN = 128 + 10
ips_and_freqs = {}
spectrum_total = [[0] * NUM_FREQ, [0] * NUM_FREQ]
spectrum_count = [[0] * NUM_FREQ, [0] * NUM_FREQ]
