def __init__(self, options, args):
gr.top_block.__init__(self)
self.options = options
self.args = args
frekvens = options.freq
# u = usrp.source_c(0)
# u.set_decim_rate(256)
# subdev_spec = (1,0)
# u.set_mux(usrp.determine_rx_mux_value(u,subdev_spec))
# subdev = usrp.selected_subdev(u,subdev_spec)
# subdev.set_auto_tr(True)
# subdev.set_gain(57)
# usrp.tune(u,0,subdev,frekvens)#106.3e6)
# samplerate = 64000000/256 # 250000
self.u = uhd.usrp_source("", uhd.io_type_t.COMPLEX_FLOAT32, 1)
self.u.set_subdev_spec("")
# default should be good?
self.u.set_samp_rate(250e3)
samplerate = self.u.get_samp_rate() # Retrieve what it actually does
self.u.set_antenna("RX2", 0)
if options.gain is None: # set to halfway
g = self.u.get_gain_range()
options.gain = (g.start() + g.stop()) / 2.0
if not (self.u.set_center_freq(frekvens, 0)):
print "Failed to set frequency"
sys.exit(1)
print "Setting gain to %i" % options.gain
self.u.set_gain(options.gain)
coeffs = gr.firdes.low_pass(1, samplerate, 10000, 10000)
filter = gr.fir_filter_ccf(5, coeffs)
gang = gr.multiply_const_ff(10)
lpcoeffs = gr.firdes.low_pass(1, samplerate, 8000, 3000)
lpfilter = gr.fir_filter_fff(1, lpcoeffs)
demod = gr.quadrature_demod_cf(0.5)
clockrec = gr.clock_recovery_mm_ff(
float(samplerate) / 5 / 9600, 0.25 * 0.175 * 0.175, 0.5, 0.175,
0.005)
#datadec = ais.ais_decoder_mysql("localhost","diverse","aisblock","elgelg")
self.datadec = ais.ais_decoder_gearth(30003)
slicer = gr.binary_slicer_fb()
diff = gr.diff_decoder_bb(2)
invert = ais.invert10_bb()
# print subdev.name()
self.connect(self.u, filter, demod, lpfilter, gang, clockrec, slicer,
diff, invert, self.datadec)
def __init__(self, options, args):
gr.top_block.__init__(self)
self.options = options
self.args = args
frekvens = options.freq
# u = usrp.source_c(0)
# u.set_decim_rate(256)
# subdev_spec = (1,0)
# u.set_mux(usrp.determine_rx_mux_value(u,subdev_spec))
# subdev = usrp.selected_subdev(u,subdev_spec)
# subdev.set_auto_tr(True)
# subdev.set_gain(57)
# usrp.tune(u,0,subdev,frekvens)#106.3e6)
# samplerate = 64000000/256 # 250000
self.u = uhd.usrp_source("", uhd.io_type_t.COMPLEX_FLOAT32,1)
self.u.set_subdev_spec(""); # default should be good?
self.u.set_samp_rate(250e3);
samplerate = self.u.get_samp_rate() # Retrieve what it actually does
self.u.set_antenna("RX2",0)
if options.gain is None: # set to halfway
g = self.u.get_gain_range()
options.gain = (g.start()+g.stop()) / 2.0
if not(self.u.set_center_freq(frekvens, 0)):
print "Failed to set frequency"
sys.exit(1)
print "Setting gain to %i" % options.gain
self.u.set_gain(options.gain)
coeffs = gr.firdes.low_pass(1,samplerate,10000,10000)
filter = gr.fir_filter_ccf(5,coeffs)
gang = gr.multiply_const_ff(10)
lpcoeffs = gr.firdes.low_pass(1,samplerate,8000,3000)
lpfilter = gr.fir_filter_fff(1,lpcoeffs)
demod = gr.quadrature_demod_cf(0.5)
clockrec = gr.clock_recovery_mm_ff(float(samplerate)/5/9600,0.25*0.175*0.175,0.5,0.175,0.005)
#datadec = ais.ais_decoder_mysql("localhost","diverse","aisblock","elgelg")
self.datadec = ais.ais_decoder_gearth(30003)
slicer = gr.binary_slicer_fb()
diff = gr.diff_decoder_bb(2)
invert = ais.invert10_bb()
# print subdev.name()
self.connect(self.u,filter,demod,lpfilter,gang,clockrec,
slicer,diff,invert,self.datadec)
alle.append([0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,1,0,0,0,0,0,0,0,0,1,1,0,0,1,0,1,0,0,0,1,0,1,0,1,1,0,0,0,1,1,0,0,1,0,0,0,0,1,1,0,1,1,0,0,0,1,1,0,1,0,0,0,0,1,0,1,0,1,0,1,1,1,1,0,1,1,0,1,0,0,1,1,1,1,1,1,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,1,1,0,0,0]) alle.append([0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,0,1,0,0,0,0,0,0,0,0,1,0,0,0,1,1,1,0,1,0,0,0,0,1,1,0,1,0,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,0,1,1,1,0,1,0,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,1,1,0,0,0,0]) alle.append([0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,1,1,0,0,0,0,0,0,0,1,1,0,0,1,0,0,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,0,1,0,0,0,0,1,1,0,1,0,1,1,1,1,1,0,0,0,0,1,0,0,1,0,1,0,0,1,1,1,0,1,0,1,1,0,1,0,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,0]) alle.append([0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,1,1,0,0,1,0,0,1,1,1,1,1,0,1,0,0,1,1,1,1,1,1,0,1,0,0,0,0,1,1,0,1,0,1,1,1,1,0,1,0,1,1,1,0,0,0,0,0,1,0,1,1,1,0,1,0,1,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,1,1,1,1,1,0,0]) alle.append([0,0,0,0,1,1,0,0,0,0,1,1,1,1,0,1,1,1,0,1,1,1,1,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1,0,1,0,0,1,0,0,1,1,1,0,1,0,0,1,0,0,1,0,0,0,1,0,0,0,0,1,1,0,1,0,1,1,1,1,0,1,1,1,0,0,0,0,0,0,0,0,1,1,0,1,1,1,1,1,1,1,0,0,1,0,1,1,0,0,1,1,0,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]) alle.append([0,0,0,0,0,1,0,0,0,0,1,1,1,0,1,0,0,1,1,1,0,0,1,1,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,1,1,0,0,0,0,0,0,0,1,1,0,0,0,1,1,1,1,0,0,0,1,0,1,0,1,0,1,0,1,0,0,1,0,0,0,0,1,1,0,1,0,1,0,1,1,0,1,1,0,1,1,0,1,0,0,1,0,1,0,0,1,0,1,1,1,0,1,0,0,0,1,1,1,0,1,0,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,1,0,0,0,1,0,1,1]) alle.append([0,0,0,0,0,1,0,0,0,0,1,1,1,1,0,1,0,1,1,1,1,1,0,0,1,0,1,1,0,1,1,1,0,1,1,1,0,0,0,1,0,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,1,1,0,1,0,0,1,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,1,0,0,0,0,1,1,0,1,0,1,1,0,0,1,1,1,1,0,0,0,1,1,0,1,1,1,0,1,0,0,0,0,0,1,0,0,1,0,1,1,0,1,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]) alle.append([0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,1,1,1,1,0,0,0,0,0,0,0,1,1,0,0,1,0,0,0,1,0,1,0,1,1,1,1,0,0,0,1,0,1,0,1,0,0,0,0,1,1,0,1,0,1,1,0,0,0,0,0,0,0,1,1,0,1,1,1,0,1,0,0,1,0,0,0,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,0]) alle.append([0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,1,1,1,0,0,1,0,0,0,1,0,0,0,0,1,0,1,0,0,0,0,1,1,0,1,0,1,0,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,0,0,0,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,1,0,1,0,1,1,0]) alle.append([0,0,0,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,1,0,1,0,1,0,0,0,0,0,0,0,1,1,0,0,0,1,1,1,0,0,1,0,0,0,0,1,0,1,1,0,0,1,0,1,0,0,0,0,1,1,0,1,0,1,0,0,1,1,0,0,0,1,0,1,1,0,0,0,1,1,0,0,1,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,1,1,0,1,1,0,1,1,0,1]) src = ais.ais_source_f(alle[0], 500, True) dst = gr.vector_sink_f() slice = gr.binary_slicer_fb() diffdec = gr.diff_decoder_bb(2) invert = ais.invert10_bb() dst2 = gr.vector_sink_b() gaussian_taps = gr.firdes.gaussian(1,5,0.35,100) sqwave = (1,) * 5 taps = numpy.convolve(numpy.array(gaussian_taps),numpy.array(sqwave)) gaussian_filter = gr.interp_fir_filter_fff(5,taps) gange = gr.multiply_const_ff(0.3) lydut = audio.sink(9600*5,"default") filut = gr.file_sink(gr.sizeof_float,"filut.raw") #fg.connect(src,dst) #fg.connect(src,slice,diffdec,invert,dst2) fg.connect(src,gaussian_filter,gange,lydut)
src = audio.source(samplerate, "hw:1")
pluss = gr.add_const_ff(0.0)
lpcoeffs = gr.firdes.low_pass(1, samplerate, 8000, 3000)
lpfilter = gr.fir_filter_fff(1, lpcoeffs)
forsterk = gr.multiply_const_ff(5)
clockrec = gr.clock_recovery_mm_ff(
float(samplerate) / 9600, 0.25 * 0.175 * 0.175, 0.5, 0.175, 0.005)
slicer = gr.binary_slicer_fb()
# Parameters: ([mysql-server],[database name],[database user],[database password])
datadec = ais.ais_decoder_mysql("localhost", "diverse", "ruben", "elg")
# You should use the create_mysql.sql to create the necessary tables
# in the database.
# See create_mysql.txt for help. Those files can be found in the root folder of
# the source tree.
diff = gr.diff_decoder_bb(2)
invert = ais.invert10_bb()
fg.connect(src, pluss, lpfilter, forsterk, clockrec, slicer, diff, invert,
datadec)
fg.start()
raw_input("Receives AIS from soundcard ")
fg.stop()
print "Received correctly: ", datadec.received()
print "Wrong CRC: ", datadec.lost()
print "Wrong Size: ", datadec.lost2()