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DI = 1 correction for uplink messages #157

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Merged
merged 2 commits into from
Dec 18, 2023
Merged

DI = 1 correction for uplink messages #157

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35a9e6d
Update uplink.py
Flyer350 Sep 27, 2023
df98443
Update uplink.py
Flyer350 Sep 27, 2023
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10 changes: 8 additions & 2 deletions pyModeS/decoder/uplink.py
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Original file line number Diff line number Diff line change
Expand Up @@ -131,7 +131,7 @@ def lockout(msg):
if uf(msg) in {4, 5, 20, 21}:
lockout = False
di = mbytes[1] & 0x7
if di == 7:
if (di == 1 or di == 7):
# LOS
if ((mbytes[3] & 0x40) >> 6) == 1:
lockout = True
Expand Down Expand Up @@ -187,10 +187,16 @@ def uplink_fields(msg):
if RR > 15:
BDS1 = RR - 16
BDS2 = 0
if di == 0 or di == 1:
if di == 0:
# II
II = (mbytes[2] >> 4) & 0xF
IC = "II" + str(II)
elif di == 1:
# II
II = (mbytes[2] >> 4) & 0xF
IC = "II" + str(II)
if ((mbytes[3] & 0x40) >> 6) == 1:
lockout = True
elif di == 7:
# LOS
if ((mbytes[3] & 0x40) >> 6) == 1:
Expand Down