def TestDC():
""" Parser Options """
parser = OptionParser (option_class=eng_option)
RadioRx.add_parser_options (parser)
(options, args) = parser.parse_args ()
if len(args)!=0:
parser.print_help()
sys.exit(1)
print "TestRx\n=========="
tb = gr.top_block()
rx = gr.vector_sink_c()
rf = RadioRx(options)
tb.connect(rf,rx)
stoptime = 20.0
if options.fake_rf:
f = FuncThread(send_stoprf, "stop rf", rf, stoptime)
else:
f = FuncThread(stop_tb, "stop tb", tb, stoptime)
f.setDaemon(1)
f.start()
print "running ..."
tb.run()
print "stoppping ..."
n = numpy.array(rx.data() )
n = n[len(n)/2:]
print "noise mean =", n.mean()
print "noise var =", n.var()
print "noise std =", n.std()
def add_parser_options (parser):
if not parser.has_option("-v"):
parser.add_option ("-v", "--verbose", type="int", \
default=default_phy_setup.d_options['verbose'], \
help="set verbose level of output [default=%default]")
if not parser.has_option("--debug"):
parser.add_option ("", "--debug", type="int", \
default=default_phy_setup.d_options['debug'], \
help="set debug level of system [default=%default]")
if not parser.has_option("-n"):
parser.add_option ("-n", "--nchannels", type="int", \
default=default_phy_setup.d_options['nchannels'], \
help="set number of channels (or antennas) on USRP board [default=%default]")
if not parser.has_option("-G"):
parser.add_option ("-G", "--rx-gain", type="eng_float", \
default=default_phy_setup.d_options['rx_gain'], \
help="set usrp receive gain in dB [default=%default]")
if not parser.has_option("-g"):
parser.add_option ("-g", "--tx-gain", type="eng_float", \
default=default_phy_setup.d_options['tx_gain'], \
help="set software transmit gain in dB [default=%default]")
if not parser.has_option("-u"):
parser.add_option ("-u", "--upsample", type="int",
default=default_phy_setup.d_options['upsample'], \
help="set the upsampling factor [default=%default]")
if not parser.has_option("--inband"):
parser.add_option("", "--inband", action="store_true", \
default=default_phy_setup.d_options['inband'],
help="enable inband signalling in RF [default=%default]")
RadioRx.add_parser_options(parser)
RadioTx.add_parser_options(parser)
def TestRx():
""" Parser Options """
parser = OptionParser (option_class=eng_option)
RadioRx.add_parser_options (parser)
(options, args) = parser.parse_args ()
if len(args)!=0:
parser.print_help()
sys.exit(1)
print "TestRx\n=========="
tb = gr.top_block()
rx = gr.vector_sink_c()
rf = RadioRx(options)
tb.connect(rf,rx)
stoptime = 2.0
if options.fake_rf:
f = FuncThread(send_stoprf, "stop rf", rf, stoptime)
else:
f = FuncThread(stop_tb, "stop tb", tb, stoptime)
f.setDaemon(1)
f.start()
print "running ..."
tb.run()
print "stoppping ..."
x = numpy.array(rx.data(), numpy.complex64)
#start, limit = 200, len(x)
start, limit = 200, 1000
L = min(len(x), start+limit)
xdata = x[start:L]
plot(range(len(xdata)), xdata.real )
hold(True)
plot(range(len(xdata)), xdata.imag, 'r')
#plot(numpy.abs(x[start:L] ) )
grid()
print "plotting ..."
show()
print "quitting ..."
fname = "/tmp/uuu"
FILE = open(fname, "w")
format = '<'+"ff"*len(x)
args = tuple(numpy.array((x.real,x.imag)).transpose().flatten() )
s = struct.pack(format, *args )
FILE.write(s)
FILE.close()
