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Fix for sensor 'Meteoscope THR-128' #2

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Fix for sensor 'Meteoscope THR-128' #2

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11 changes: 5 additions & 6 deletions decode_os433.py
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ def __init__(self, center_freq, offset_freq, decimate_am=1, play_audio=False):

self.osmosdr_source = osmosdr.source_c("")
self.osmosdr_source.set_center_freq(freq)
self.osmosdr_source.set_samp_rate(device_rate)
self.osmosdr_source.set_sample_rate(device_rate)

taps = firdes.low_pass(1, device_rate, 40000, 5000, firdes.WIN_HAMMING, 6.76)
self.freq_filter = gr.freq_xlating_fir_filter_ccc(25, taps, -freq_offs, device_rate)
Expand Down Expand Up @@ -92,8 +92,7 @@ def decode_osv1(stream, level=-0.35):

for direction, time, abstime in transition(stream, level):
# convert the time in samples to microseconds
time = time / float(stream.rate) * 1e6

time = time / float(stream.rate) * 1e6
if state == 'wait' and direction is True:
# Start of the preamble
state = 'preamble'
Expand All @@ -108,7 +107,7 @@ def decode_osv1(stream, level=-0.35):
else:
state = 'wait'
else:
if (700 < time < 1400):
if (700 < time < 1500):
# Valid rising edge in preamble
pass
elif count>8 and (2700 < time < 5000):
Expand Down Expand Up @@ -157,7 +156,7 @@ def decode_osv1(stream, level=-0.35):
state = 'wait'
else:
# Falling edge (end of HIGH level)
if (1500 < time < 2500):
if (1300 < time < 2500):
if bit == 1:
# a short HIGH time is a repeated 1 bit
pkt.append(1)
Expand Down Expand Up @@ -220,7 +219,7 @@ def hex(self):
stream = rtlsdr_am_stream(freq, freq_offs, decimate_am=2, play_audio=options.audio)
stream.start()
unit = 'F'
for packet in decode_osv1(stream):
for packet in decode_osv1(stream, level):
flags = []

if not packet.valid:
Expand Down