def __init__(self, work_queue, out_queue, center, sample_rate, search_depth, search_window, verbose):
self._work_queue = work_queue
self._cad = cut_and_downmix.CutAndDownmix(center=center, sample_rate=sample_rate,
search_depth=search_depth, verbose=verbose)
self._dem = demod.Demod(sample_rate=sample_rate, use_correlation=True, verbose=verbose)
self._out_queue = out_queue
self._search_window=search_window
self._verbose = verbose
file_name = "/dev/stdin"
basename = "stdin"
else:
file_name = remainder[0]
basename = filename = re.sub('\.[^.]*$', '', file_name)
signal = iq.read(file_name)
cad = cut_and_downmix.CutAndDownmix(center=center,
sample_rate=sample_rate,
symbols_per_second=symbols_per_second,
preamble_length=preamble_length,
search_depth=search_depth,
verbose=verbose,
search_window=search_window)
d = demod.Demod(sample_rate=sample_rate, verbose=verbose)
temp_signal, freq, _ = cad.cut_and_downmix(signal=signal,
search_offset=search_offset,
direction=direction)
dataarray, data, access_ok, lead_out_ok, confidence, level, nsymbols, final_offset = d.demod(
temp_signal, return_final_offset=True)
print "RAW: %s %d %010d A:%s L:%s %3d%% %.3f %3d %s" % (
basename, 0, freq, ("no", "OK")[access_ok],
("no", "OK")[lead_out_ok], confidence, level, (nsymbols - 12), data)
signal, freq, _ = cad.cut_and_downmix(signal=signal,
search_offset=search_offset,
frequency_offset=-final_offset)
print "F_off:", -final_offset
else:
file_name = remainder[0]
basename = filename = re.sub('\.[^.]*$', '', file_name)
det = detector.Detector(sample_rate=sample_rate,
fft_peak=fft_peak,
sample_format=fmt,
search_size=search_size,
verbose=verbose,
signal_width=search_window)
cad = cut_and_downmix.CutAndDownmix(center=center,
sample_rate=sample_rate,
search_depth=search_depth,
verbose=verbose)
dem = demod.Demod(sample_rate=sample_rate,
use_correlation=True,
verbose=verbose)
def process_one(basename, time_stamp, signal_strength, bin_index, freq,
signal):
mix_signal, mix_freq = cad.cut_and_downmix(signal=signal,
search_offset=freq,
search_window=search_window)
dataarray, data, access_ok, lead_out_ok, confidence, level, nsymbols = dem.demod(
mix_signal)
msg = "RAW: %s %09d %010d A:%s L:%s %3d%% %.3f %3d %s" % (
basename, time_stamp, mix_freq, ("no", "OK")[access_ok],
("no", "OK")[lead_out_ok], confidence, level,
(nsymbols - 12), data)
out_queue.put(msg)
if mix_freq < 1626e6 and confidence > 95 and nsymbols > 40 and access_ok == 1:
file_name = remainder[0]
basename = filename = re.sub('\.[^.]*$', '', file_name)
det = detector.Detector(sample_rate=sample_rate,
fft_peak=fft_peak,
sample_format=fmt,
search_size=search_size,
verbose=verbose,
signal_width=search_window,
burst_size=burst_size)
cad = cut_and_downmix.CutAndDownmix(center=center,
input_sample_rate=sample_rate,
search_depth=search_depth,
verbose=verbose,
search_window=search_window)
dem = demod.Demod(sample_rate=cad.output_sample_rate, verbose=verbose)
def process_one(basename, time_stamp, signal_strength, bin_index, freq,
signal):
try:
msg = None
try:
mix_signal, mix_freq, mix_direction = cad.cut_and_downmix(
signal=signal, search_offset=freq, direction=direction)
dataarray, data, access_ok, lead_out_ok, confidence, level, nsymbols = dem.demod(
signal=mix_signal, direction=mix_direction)
msg = "RAW: %s %09d %010d A:%s L:%s %3d%% %.3f %3d %s" % (
basename, time_stamp, mix_freq, ("no", "OK")[access_ok],
("no", "OK")[lead_out_ok], confidence, level,
(nsymbols - 12), data)
except cut_and_downmix.DownmixError:
decimation = 1
basename=None
if len(remainder)==0 or pipe !=None:
if pipe==None:
pipe="t"
basename="i-%.4f-%s1"%(time.time(),pipe)
file_name = "/dev/stdin"
else:
file_name = remainder[0]
basename= filename= re.sub('\.[^.]*$','',file_name)
det = detector.Detector(sample_rate=sample_rate, fft_peak=fft_peak, sample_format=fmt, search_size=search_size, verbose=verbose, signal_width=search_window, burst_size=burst_size)
cad = cut_and_downmix.CutAndDownmix(center=center, input_sample_rate=sample_rate, search_depth=search_depth, verbose=verbose, decimation=decimation)
dem = demod.Demod(sample_rate=cad.output_sample_rate, use_correlation=True, verbose=verbose)
def process_one(basename, time_stamp, signal_strength, bin_index, freq, signal):
mix_signal, mix_freq = cad.cut_and_downmix(signal=signal, search_offset=freq, search_window=search_window)
dataarray, data, access_ok, lead_out_ok, confidence, level, nsymbols = dem.demod(mix_signal)
msg = "RAW: %s %09d %010d A:%s L:%s %3d%% %.3f %3d %s"%(basename,time_stamp,mix_freq,("no","OK")[access_ok],("no","OK")[lead_out_ok],confidence,level,(nsymbols-12),data)
out_queue.put(msg)
def wrap_process(time_stamp, signal_strength, bin_index, freq, signal):
global queue_len, queue_blocked, in_count, drop_count
if offline:
if queue_len > max_queue_len:
while queue_len > max_queue_len/2:
time.sleep(1)
else:
if queue_len > max_queue_len: