def add_options(parser, expert):
add_freq_option(parser)
usrp_options.add_rx_options(parser)
receive_path.receive_path.add_options(parser, expert)
expert.add_option("", "--rx-freq", type="eng_float", default=None,
help="set Rx frequency to FREQ [default=%default]", metavar="FREQ")
parser.add_option("-v", "--verbose", action="store_true", default=False)
def add_options(parser, expert):
add_freq_option(parser)
usrp_options.add_rx_options(parser)
receive_path.receive_path.add_options(parser, expert)
expert.add_option("",
"--rx-freq",
type="eng_float",
default=None,
help="set Rx frequency to FREQ [default=%default]",
metavar="FREQ")
parser.add_option("-v", "--verbose", action="store_true", default=False)
def main():
global n_rcvd, n_right, pktno
n_rcvd = 0
n_right = 0
pktno = 1
def rx_callback(ok, payload):
global n_rcvd, n_right, pktno
(pktno,) = struct.unpack('!H', payload[0:2])
n_rcvd += 1
if ok:
n_right += 1
if not options.gui:
print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % (
ok, pktno, n_rcvd, n_right)
demods = modulation_utils.type_1_demods()
# Create Options Parser:
parser = OptionParser (option_class=eng_option, conflict_handler="resolve")
expert_grp = parser.add_option_group("Expert")
parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(),
default='dbpsk',
help="Select modulation from: %s [default=%%default]"
% (', '.join(demods.keys()),))
my_top_block.add_options(parser, expert_grp)
receive_path.add_options(parser, expert_grp)
usrp_options.add_rx_options(parser)
for mod in demods.values():
mod.add_options(expert_grp)
(options, args) = parser.parse_args ()
if len(args) != 0:
parser.print_help(sys.stderr)
sys.exit(1)
if options.rx_freq is None:
sys.stderr.write("You must specify -f FREQ or --freq FREQ\n")
parser.print_help(sys.stderr)
sys.exit(1)
# build the graph
tb = my_top_block(demods[options.modulation], rx_callback, options)
r = gr.enable_realtime_scheduling()
if r != gr.RT_OK:
print "Warning: Failed to enable realtime scheduling."
tb.start() # start flow graph
if(options.gui):
tb.qapp.exec_()
else:
tb.wait() # wait for it to finish