FGFS-4.1/gr-air-modes
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More parser work, type 17 done except for BDS0,9 velocity subtypes

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This commit is contained in:
Nick Foster 2012-06-23 14:25:26 -07:00
parent a45531b15c
commit b7cc18c41f
1 changed files with 27 additions and 3 deletions
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30
python/modes_parse.py
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@ -110,10 +110,34 @@ class me_reply(data_field):
#TODO: TCP, TCP+1/BDS 6,2
}
startbit = 0
types = { }
#types in this format are listed by BDS register
types = { 0x05: ["ftc", "ss", "saf", "alt", "time", "cpr", "lat", "lon"], #airborne position
0x06: ["ftc", "mvt", "gts", "gtk", "time", "cpr", "lat", "lon"], #surface position
0x07: ["ftc",], #TODO extended squitter status
0x08: ["ftc", "cat", "ident"], #extended squitter identification and type
#TODO: bds0,9 has 3 subtypes, needs to be subclassed
0x09: ["ftc", "sub", "dew", "vew", "dns", "vns", "str", "tr", "svr", "vr"], #velocity type 0
#0x0A: data link capability report
#0x17: common usage capability report
#0x18-0x1F: Mode S specific services capability report
#0x20: aircraft identification
0x61: ["ftc", "eps"]
}
def get_type(self):
pass
ftc = self.get_bits(self.fields["ftc"])
if 1 <= ftc <= 4:
return 0x08
elif 5 <= ftc <= 8:
return 0x06
elif 9 <= ftc <= 18:
return 0x05
elif ftc == 19:
return 0x09
else:
return NoHandlerError
def get_numbits(self):
return 56
@ -149,7 +173,7 @@ class modes_reply(data_field):
24: ["df", "ke", "nd", "md", "ap"]
}
subfields = { "mb": mb_reply, "me": me_reply } #TODO MV, ME
subfields = { "mb": mb_reply, "me": me_reply } #TODO MV
def is_long(self):
return self.data > (1 << 56)