FGFS-4.1/gr-air-modes
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Big update to UHD 3.14, Gnuradio 3.8, Python 3.6. Not fully tested.

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This commit is contained in:
Nick Foster
2019-09-17 14:13:51 -07:00
parent 0b6c383506
commit 9b17824c49
36 changed files with 544 additions and 1684 deletions
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25
python/parse.py
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@@ -20,8 +20,7 @@
#
import time, os, sys
from string import split, join
from altitude import decode_alt
from air_modes.altitude import decode_alt
import math
import air_modes
from air_modes.exceptions import *
@@ -32,14 +31,14 @@ class data_field:
self.data = data
self.fields = self.parse()
types = { }
dtypes = { }
offset = 1 #field offset applied to all fields. used for offsetting
#subtypes to reconcile with the spec. Really just for readability.
#get a particular field from the data
def __getitem__(self, fieldname):
mytype = self.get_type()
if mytype in self.types:
if mytype in self.dtypes:
if fieldname in self.fields: #verify it exists in this packet type
return self.fields[fieldname]
else:
@@ -52,9 +51,9 @@ class data_field:
def parse(self):
fields = {}
mytype = self.get_type()
if mytype in self.types:
for field in self.types[mytype]:
bits = self.types[self.get_type()][field]
if mytype in self.dtypes:
for field in self.dtypes[mytype]:
bits = self.dtypes[self.get_type()][field]
if len(bits) == 3:
obj = bits[2](self.get_bits(bits[0], bits[1]))
fields.update(obj.parse())
@@ -93,7 +92,7 @@ class data_field:
class bds09_reply(data_field):
offset = 6
types = { #BDS0,9 subtype 0
dtypes = { #BDS0,9 subtype 0
0: {"sub": (6,3), "dew": (10,1), "vew": (11,11), "dns": (22,1),
"vns": (23,11), "str": (34,1), "tr": (35,6), "dvr": (41,1),
"vr": (42,9)},
@@ -123,7 +122,7 @@ class bds09_reply(data_field):
class me_reply(data_field):
#types in this format are listed by BDS register
#TODO: add comments explaining these fields
types = { 0x05: {"ftc": (1,5), "ss": (6,2), "saf": (8,1), "alt": (9,12), "time": (21,1), "cpr": (22,1), "lat": (23,17), "lon": (40,17)}, #airborne position
dtypes = { 0x05: {"ftc": (1,5), "ss": (6,2), "saf": (8,1), "alt": (9,12), "time": (21,1), "cpr": (22,1), "lat": (23,17), "lon": (40,17)}, #airborne position
0x06: {"ftc": (1,5), "mvt": (6,7), "gts": (13,1), "gtk": (14,7), "time": (21,1), "cpr": (22,1), "lat": (23,17), "lon": (40,17)}, #surface position
0x07: {"ftc": (1,5),}, #TODO extended squitter status
0x08: {"ftc": (1,5), "cat": (6,3), "ident": (9,48)}, #extended squitter identification and type
@@ -157,7 +156,7 @@ class me_reply(data_field):
#resolves the TCAS reply types from TTI info
class tcas_reply(data_field):
offset = 61
types = { 0: {"tti": (61,2)}, #UNKNOWN
dtypes = { 0: {"tti": (61,2)}, #UNKNOWN
1: {"tti": (61,2), "tid": (63,26)},
2: {"tti": (61,2), "tida": (63,13), "tidr": (76,7), "tidb": (83,6)}
}
@@ -171,7 +170,7 @@ class tcas_reply(data_field):
class mb_reply(data_field):
offset = 33 #fields offset by 33 to match documentation
#types are based on bds1 subfield
types = { 0: {"bds1": (33,4), "bds2": (37,4)}, #TODO
dtypes = { 0: {"bds1": (33,4), "bds2": (37,4)}, #TODO
1: {"bds1": (33,4), "bds2": (37,4), "cfs": (41,4), "acs": (45,20), "bcs": (65,16), "ecs": (81,8)},
2: {"bds1": (33,4), "bds2": (37,4), "ais": (41,48)},
3: {"bds1": (33,4), "bds2": (37,4), "ara": (41,14), "rac": (55,4), "rat": (59,1),
@@ -195,7 +194,7 @@ class mb_reply(data_field):
class mv_reply(data_field):
offset = 33
types = { "ara": (41,14), "mte": (60,1), "rac": (55,4), "rat": (59,1),
dtypes = { "ara": (41,14), "mte": (60,1), "rac": (55,4), "rat": (59,1),
"vds": (33,8), "vds1": (33,4), "vds2": (37,4)
}
@@ -211,7 +210,7 @@ class mv_reply(data_field):
#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)},
dtypes = { 0: {"df": (1,5), "vs": (6,1), "cc": (7,1), "sl": (9,3), "ri": (14,4), "ac": (20,13), "ap": (33,24)},
4: {"df": (1,5), "fs": (6,3), "dr": (9,5), "um": (14,6), "ac": (20,13), "ap": (33,24)},
5: {"df": (1,5), "fs": (6,3), "dr": (9,5), "um": (14,6), "id": (20,13), "ap": (33,24)},
11: {"df": (1,5), "ca": (6,3), "aa": (9,24), "pi": (33,24)},