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Add support for type 16 Long Special Surveillance packets. Not tested with real data.

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This commit is contained in:
Nick Foster
2012-10-17 18:28:39 -07:00
parent 5f89eba234
commit 7dba7f4cc3
3 changed files with 48 additions and 17 deletions
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23
python/parse.py
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@@ -193,6 +193,22 @@ class mb_reply(data_field):
# "vds": (33,8), "vds1": (33,4), "vds2": (37,4)
# }
class mv_reply(data_field):
offset = 33
types = { "ara": (41,14), "mte": (60,1), "rac": (55,4), "rat": (59,1),
"vds": (33,8), "vds1": (33,4), "vds2": (37,4)
}
def get_type(self):
vds1 = self.get_bits(33,4)
vds2 = self.get_bits(37,4)
if vds1 not in (3,) or vds2 not in (0,):
raise NoHandlerError(bds1)
return int(vds1)
def get_numbits(self):
return 56
#the whole Mode S packet type
class modes_reply(data_field):
types = { 0: {"df": (1,5), "vs": (6,1), "cc": (7,1), "sl": (9,3), "ri": (14,4), "ac": (20,13), "ap": (33,24)},
@@ -233,7 +249,7 @@ class parse:
def parse11(self, data, ecc):
interrogator = ecc & 0x0F
return [data["aa"], interrogator, data["ca"]]
return [data["aa"], interrogator, data["ca"]]
categories = [["NO INFO", "RESERVED", "RESERVED", "RESERVED", "RESERVED", "RESERVED", "RESERVED", "RESERVED"],\
["NO INFO", "SURFACE EMERGENCY VEHICLE", "SURFACE SERVICE VEHICLE", "FIXED OBSTRUCTION", "CLUSTER OBSTRUCTION", "LINE OBSTRUCTION", "RESERVED"],\
@@ -404,3 +420,8 @@ class parse:
(resolutions, complements) = self.parseMB_TCAS_resolutions(data)
threat_alt = decode_alt(data["tida"], True)
return (resolutions, complements, data["rat"], data["mte"], threat_alt, data["tidr"], data["tidb"])
#type 16 Coordination Reply Message
def parse_TCAS_CRM(self, data):
(resolutions, complements) = self.parseMB_TCAS_resolutions(data)
return (resolutions, complements, data["rat"], data["mte"])